Set dependency branches for cloudbees builds

.ci/travis-build.sh

@@ -1,21 +0,0 @@
-#!/bin/sh
-set -e -x
-
-# set RTEMS to eg. "4.9" or "4.10"
-# requires qemu, bison, flex, texinfo, install-info
-if [ -n "$RTEMS" ]
-then
-  # find local qemu-system-i386
-  export PATH="$HOME/.cache/qemu/usr/bin:$PATH"
-  echo -n "Using QEMU: "
-  type qemu-system-i386 || echo "Missing qemu"
-  EXTRA=RTEMS_QEMU_FIXUPS=YES
-fi
-
-make -j2 $EXTRA
-
-if [ "$TEST" != "NO" ]
-then
-  make tapfiles
-  make -s test-results
-fi

.ci/travis-prepare.sh

@@ -1,180 +0,0 @@
-#!/bin/sh
-set -e -x
-
-CURDIR="$PWD"
-
-QDIR="$HOME/.cache/qemu"
-
-if [ -n "$RTEMS" -a "$TEST" = "YES" ]
-then
-  git clone --quiet --branch vme --depth 10 https://github.com/mdavidsaver/qemu.git "$HOME/.build/qemu"
-  cd "$HOME/.build/qemu"
-
-  HEAD=`git log -n1 --pretty=format:%H`
-  echo "HEAD revision $HEAD"
-
-  [ -e "$HOME/.cache/qemu/built" ] && BUILT=`cat "$HOME/.cache/qemu/built"`
-  echo "Cached revision $BUILT"
-
-  if [ "$HEAD" != "$BUILT" ]
-  then
-    echo "Building QEMU"
-    git submodule --quiet update --init
-
-    install -d "$HOME/.build/qemu/build"
-    cd         "$HOME/.build/qemu/build"
-
-    "$HOME/.build/qemu/configure" --prefix="$HOME/.cache/qemu/usr" --target-list=i386-softmmu --disable-werror
-    make -j2
-    make install
-
-    echo "$HEAD" > "$HOME/.cache/qemu/built"
-  fi
-fi
-
-cat << EOF > $CURDIR/configure/RELEASE.local
-EPICS_BASE=$HOME/.source/epics-base
-EOF
-
-install -d "$HOME/.source"
-cd "$HOME/.source"
-
-add_base_module() {
-  MODULE=$1
-  BRANCH=$2
-  ( cd epics-base/modules && \
-  git clone --quiet --depth 5 --branch $MODULE/$BRANCH https://github.com/${REPOBASE:-epics-base}/epics-base.git $MODULE && \
-  cd $MODULE && git log -n1 )
-}
-
-add_gh_module() {
-  MODULE=$1
-  REPOOWNER=$2
-  REPONAME=$3
-  BRANCH=$4
-  ( cd epics-base/modules && \
-  git clone --quiet --depth 5 --branch $BRANCH https://github.com/$REPOOWNER/$REPONAME.git $MODULE && \
-  cd $MODULE && git log -n1 )
-}
-
-add_gh_flat() {
-  MODULE=$1
-  REPOOWNER=$2
-  REPONAME=$3
-  BRANCH=$4
-  MODULE_UC=$(echo $MODULE | tr 'a-z' 'A-Z')
-  ( git clone --quiet --depth 5 --branch $BRANCH https://github.com/$REPOOWNER/$REPONAME.git $MODULE && \
-  cd $MODULE && git log -n1 )
-  cat < $CURDIR/configure/RELEASE.local > $MODULE/configure/RELEASE.local
-  cat << EOF >> $CURDIR/configure/RELEASE.local
-${MODULE_UC}=$HOME/.source/$MODULE
-EOF
-}
-
-if [ "$BRBASE" ]
-then
-  git clone --quiet --depth 5 --branch "$BRBASE" https://github.com/${REPOBASE:-epics-base}/epics-base.git epics-base
-  (cd epics-base && git log -n1 )
-  add_gh_flat pvData ${REPOPVD:-epics-base} pvDataCPP ${BRPVD:-master}
-  add_gh_flat pvAccess ${REPOPVA:-epics-base} pvAccessCPP ${BRPVA:-master}
-  add_gh_flat normativeTypes ${REPONT:-epics-base} normativeTypesCPP ${BRNT:-master}
-else
-  git clone --quiet --depth 5 --branch core/"${BRCORE:-master}" https://github.com/${REPOBASE:-epics-base}/epics-base.git epics-base
-  ( cd epics-base && git log -n1 )
-  add_base_module libcom "${BRLIBCOM:-master}"
-  add_base_module ca "${BRCA:-master}"
-  add_base_module database "${BRDATABASE:-master}"
-  add_gh_module pvData ${REPOPVD:-epics-base} pvDataCPP ${BRPVD:-master}
-  add_gh_module pvAccess ${REPOPVA:-epics-base} pvAccessCPP ${BRPVA:-master}
-  add_gh_module normativeTypes ${REPONT:-epics-base} normativeTypesCPP ${BRNT:-master}
-fi
-
-if [ -e $CURDIR/configure/RELEASE.local ]
-then
-  cat $CURDIR/configure/RELEASE.local
-fi
-
-EPICS_HOST_ARCH=`sh epics-base/startup/EpicsHostArch`
-
-# requires wine and g++-mingw-w64-i686
-if [ "$WINE" = "32" ]
-then
-  echo "Cross mingw32"
-  sed -i -e '/CMPLR_PREFIX/d' epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
-  cat << EOF >> epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
-CMPLR_PREFIX=i686-w64-mingw32-
-EOF
-  cat << EOF >> epics-base/configure/CONFIG_SITE
-CROSS_COMPILER_TARGET_ARCHS+=win32-x86-mingw
-EOF
-fi
-
-if [ "$STATIC" = "YES" ]
-then
-  echo "Build static libraries/executables"
-  cat << EOF >> epics-base/configure/CONFIG_SITE
-SHARED_LIBRARIES=NO
-STATIC_BUILD=YES
-EOF
-fi
-
-case "$CMPLR" in
-clang)
-  echo "Host compiler is clang"
-  cat << EOF >> epics-base/configure/os/CONFIG_SITE.Common.$EPICS_HOST_ARCH
-GNU         = NO
-CMPLR_CLASS = clang
-CC          = clang
-CCC         = clang++
-EOF
-
-  # hack
-  sed -i -e 's/CMPLR_CLASS = gcc/CMPLR_CLASS = clang/' epics-base/configure/CONFIG.gnuCommon
-
-  clang --version
-  ;;
-*)
-  echo "Host compiler is default"
-  gcc --version
-  ;;
-esac
-
-cat <<EOF >> epics-base/configure/CONFIG_SITE
-USR_CPPFLAGS += $USR_CPPFLAGS
-USR_CFLAGS += $USR_CFLAGS
-USR_CXXFLAGS += $USR_CXXFLAGS
-EOF
-
-# set RTEMS to eg. "4.9" or "4.10"
-# requires qemu, bison, flex, texinfo, install-info
-if [ -n "$RTEMS" ]
-then
-  echo "Cross RTEMS${RTEMS} for pc386"
-  install -d /home/travis/.cache
-  curl -L "https://github.com/mdavidsaver/rsb/releases/download/travis-20160306-2/rtems${RTEMS}-i386-trusty-20190306-2.tar.gz" \
-  | tar -C /home/travis/.cache -xj
-
-  sed -i -e '/^RTEMS_VERSION/d' -e '/^RTEMS_BASE/d' epics-base/configure/os/CONFIG_SITE.Common.RTEMS
-  cat << EOF >> epics-base/configure/os/CONFIG_SITE.Common.RTEMS
-RTEMS_VERSION=$RTEMS
-RTEMS_BASE=/home/travis/.cache/rtems${RTEMS}-i386
-EOF
-  cat << EOF >> epics-base/configure/CONFIG_SITE
-CROSS_COMPILER_TARGET_ARCHS+=RTEMS-pc386
-EOF
-
-  # find local qemu-system-i386
-  export PATH="$HOME/.cache/qemu/usr/bin:$PATH"
-  echo -n "Using QEMU: "
-  type qemu-system-i386 || echo "Missing qemu"
-  EXTRA=RTEMS_QEMU_FIXUPS=YES
-fi
-
-make -j2 -C epics-base $EXTRA
-
-if [ "$BRBASE" ]
-then
-make -j2 -C pvData $EXTRA
-make -j2 -C pvAccess $EXTRA
-make -j2 -C normativeTypes $EXTRA
-fi

.gitignore

@@ -1,17 +1,13 @@
-/cfg/
+bin/
-/bin/
+lib/
-/lib/
+doc/
-/db/
+include/
-/dbd/
+db/
-/html/
+dbd/
-/include/
+documentation/html
-/templates/
+documentation/*.tag
-/configure/*.local
-/documentation/html
-/documentation/*.tag
-O.*/
-/QtC-*
 envPaths
-*.orig
+configure/*.local
-*.log
+!configure/ExampleRELEASE.local
-.*.swp
+**/O.*
+QtC-*

.travis.yml

@@ -1,29 +0,0 @@
-sudo: false
-dist: trusty
-language: c++
-compiler:
-  - gcc
-addons:
-  apt:
-    packages:
-    - libreadline6-dev
-    - libncurses5-dev
-    - perl
-    - clang
-    - g++-mingw-w64-i686
-install:
- - ./.ci/travis-prepare.sh
-script:
- - ./.ci/travis-build.sh
-env:
- - BRCORE=master BRLIBCOM=master BRPVD=master BRPVA=master BRNT=master TEST=NO
- - CMPLR=clang TEST=NO
- - USR_CXXFLAGS=-std=c++11 TEST=NO
- - CMPLR=clang USR_CXXFLAGS=-std=c++11 TEST=NO
- - WINE=32 TEST=NO STATIC=YES
- - WINE=32 TEST=NO STATIC=NO
- - RTEMS=4.10 TEST=NO
- - RTEMS=4.9 TEST=NO
- - BRBASE=3.16 TEST=NO
- - BRBASE=3.15 TEST=NO
- - BRBASE=3.14 TEST=NO

README.md

@@ -21,3 +21,29 @@ It can also be built by:
     edit configure/RELEASE.local
     make
 
+
+Examples
+------------
+
+Project exampleCPP has examples for pvaClientCPP
+
+Status
+------
+
+* The API is for EPICS Version 4 release 4.6.0
+* Everything defined in pvaClient.h is ready but see below for remaining work.
+* Everything defined in pvaClientMultiChannel.h is ready but see below for remaining work.
+
+
+pvaClientChannel
+---------------
+
+Channel::getField and channelArray are not supported for release 4.6
+
+pvaClientMultiChannel
+---------------
+
+For release 4.5 support is available for multiDouble and NTMultiChannel.
+In the future additional support should be provided that at least includes NTScalarMultiChannel.
+
+Testing with some channels not connected has not been done.

configure/ExampleRELEASE.local

@@ -0,0 +1,8 @@
+EPICS4_DIR=/home/epicsv4/master
+PVACCESS=${EPICS4_DIR}/pvAccessCPP
+NORMATIVETYPES=${EPICS4_DIR}/normativeTypesCPP
+PVDATA=${EPICS4_DIR}/pvDataCPP
+PVCOMMON=${EPICS4_DIR}/pvCommonCPP
+
+TEMPLATE_TOP=$(EPICS_BASE)/templates/makeBaseApp/top
+EPICS_BASE=/home/install/epics/base

configure/RELEASE

@@ -1,44 +1,30 @@
-# RELEASE - Location of external support modules
+# easyPVACPP RELEASE - Location of external support modules
 #
-# IF YOU CHANGE ANY PATHS in this file or make API changes to
+# IF YOU CHANGE this file or any file it includes you must
-# any modules it refers to, you should do a "make rebuild" in
+# subsequently do a "gnumake rebuild" in the application's
-# this application's top level directory.
+# top level directory.
 #
-# The EPICS build process does not check dependencies against
+# The build process does not check dependencies against files
-# any files from outside the application, so it is safest to
+# that are outside this application, thus you should also do a
-# rebuild it completely if any modules it depends on change.
+# "gnumake rebuild" in the top level directory after EPICS_BASE
+# or any other external module pointed to below is rebuilt.
 #
 # Host- or target-specific settings can be given in files named
 #  RELEASE.$(EPICS_HOST_ARCH).Common
 #  RELEASE.Common.$(T_A)
 #  RELEASE.$(EPICS_HOST_ARCH).$(T_A)
+
+# EPICS V4 Developers: Do not edit the locations in this file!
 #
-# This file is parsed by both GNUmake and an EPICS Perl script,
+# A RELEASE.local must exist that has the following definitions
-# so it may ONLY contain definititions of paths to other support
+#     EPICS_BASE=/home/install/epics/base
-# modules, variable definitions that are used in module paths,
+#     EPICS4_DIR=/home/epicsv4
-# and include statements that pull in other RELEASE files.
+#     PVCOMMON=${EPICS4_DIR}/pvCommonCPP
-# Variables may be used before their values have been set.
+#     PVDATA=${EPICS4_DIR}/pvDataCPP
-# Build variables that are NOT used in paths should be set in
+#     NORMATIVETYPES=${EPICSV4}/normativeTypesCPP
-# the CONFIG_SITE file.
+#     PVACCESS=${EPICS4_DIR}/pvAccessCPP
+#Either create a RELEASE.local one level above the TOP for this module
+#OR copy ExampleRELEASE.local to RELEASE.local and edit it.
 
-# Variables and paths to dependent modules:
-#MODULES = /path/to/modules
-#MYMODULE = $(MODULES)/my-module
-
-# If building the EPICS modules individually, set these:
-#EPICS_PVACCESS = $(MODULES)/pvAccess
-#EPICS_NORMATIVETYPES = $(MODULES)/normativeTypes
-#EPICS_PVDATA = $(MODULES)/pvData
-#EPICS_DATABASE = $(MODULES)/database
-#EPICS_CA = $(MODULES)/ca
-#EPICS_LIBCOM = $(MODULES)/libcom
-#EPICS_BASE = $(MODULES)/core
-
-# Set RULES here if you want to use build rules from elsewhere:
-#RULES = $(MODULES)/build-rules
-
-# These allow developers to override the RELEASE variable settings
-# without having to modify the configure/RELEASE file itself.
 -include $(TOP)/../RELEASE.local
--include $(TOP)/../RELEASE.$(EPICS_HOST_ARCH).local
 -include $(TOP)/configure/RELEASE.local

documentation/RELEASE_NOTES.md

@@ -1,58 +1,14 @@
-pvaClientCPP Version 4.3.0
+EPICS V4 release 4.6
 ==========================
 
-Works with pvDataCPP-7.0 and pvAccessCPP-6.0 versions
------------------------------------------------------
-
-Will not work with older versions of these modules.
-
-destroy methods removed
------------------------
-
-All the destroy methods are removed since implementation is RAII compliant.
-
-API changes to PvaClientMonitor
--------------------------------
-
-The second argument of method
-
-    static PvaClientMonitorPtr create(
-        PvaClientPtr const &pvaClient,
-        epics::pvAccess::Channel::shared_pointer const & channel,
-        epics::pvData::PVStructurePtr const &pvRequest
-    );
-
-Is now changed to
-
-    static PvaClientMonitorPtr create(
-        PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
-        epics::pvData::PVStructurePtr const &pvRequest
-    );
-
-A new method is also implemented
-
-    static PvaClientMonitorPtr create(
-        PvaClientPtr const &pvaClient,
-        std::string const & channelName,
-        std::string const & providerName,
-        std::string const & request,
-        PvaClientChannelStateChangeRequesterPtr const & stateChangeRequester,
-        PvaClientMonitorRequesterPtr const & monitorRequester
-    );
-
-
-pvaClientCPP Version 4.2
-========================
-
 * The examples are moved to exampleCPP.
 * Support for channelRPC is now available.
 * In PvaClientMultiChannel checkConnected() now throws an exception if connect fails.
 
 
 
-pvaClientCPP Version 4.1
+EPICS V4 release 4.5
-========================
+==========================
 
 
 pvaClient is a synchronous API for pvAccess.

documentation/htmldoxygen/README.md

@@ -1,5 +0,0 @@
-NOT FOR DIRECT USE
-==================
-
-This directory holds files that are used by doxygen.
-The files are not meant to be read except via the doxygen documention.

documentation/htmldoxygen/pvaClient.html

@@ -1,146 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClient</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClient</h1>
-
-
-<h2>Overview</h2>
-<p>
-pvaClient is a synchronous wrapper for the pvAccess API, which is a callback based API.
-Thus it is easier to use than pvAccess itself.
-In addition pvaClient provides many convenience methods.
-</p>
-<p>
-Class <b>PvaClient</b> is a class that is used by all the other pvaClient classes.
-An application that uses pvaClient must call:</p>
-<pre>
-PvaClientPtr pvaClient = PvaClient::get(providers);
-</pre>
-<p>
-before it uses any other pvaClient classes.
-</p>
-<p>
-This is a singleton method, i. e. only one instance of PvaClient is created.
-</p>
-<p>
-<b>pvaClient</b> must not be deleted until the client no longer wants to use any part
-of pvaClient.
-</p>
-<p>
-<b>providers</b> is a blank separated set of provider names.
-For example:</p>
-<pre>
-PvaClientPtr pvaClient = PvaClient::get("ca pva");
-</pre>
-<p>
-The providers <b>ca</b> and <b>pva</b> are special.
-For each of these a client context is created when the <b>PvaClient</b>
-is constructed and the context destroyed when <b>PvaClient</b> is deleted.
-</p>
-<h2>Channel Caching</h2>
-<p>
-<b>PvaClient</b> has a method:
-</p>
-<pre>
-PvaClientChannelPtr channel(
-    string const &amp; channelName,
-    string const &amp;providerName = "pva",
-    double timeOut = 5.0);
-</pre>
-<p>
-This method creates a
-<b>PvaClientChannel</b> and then connects to the channel.
-</p>
-<p>
-If a call is successful then multiple calls to the same channelName and providerName
-share the same PvaClientChannel, i. e. the PvaClientChannel is cached.
-</p>
-<p>
-<b>pvaClientChannelGet</b> and <b>pvaClientChannelPut</b> also implement caching.
-</p>
-<p>
-For example consider a client that makes multiple calls like:
-</p>
-<pre>
-double value;
-value =  pva->channel(channelName)->get()->getData()->getDouble();
-...
-value =  pva->channel(channelName)->get()->getData()->getDouble();
-</pre>
-<p>
-Only the first call creates a new PvaClientChannel and a new PvaClientGet.
-The second call reuses the cached PvaClientChannel and PvaClientGet.
-</p>
-<h2>Non Cached Channels</h2>
-<p>
-<b>PvaClient</b> has a method:
-</p>
-<pre>
-PvaClientChannelPtr createChannel(
-    string const &amp; channelName,
-    string const &amp;providerName = "pva");
-</pre>
-<p>
-This method is just creates a new PvaClientChannel and returns it to the caller.
-The caller must call the PvaClientChannel connect methods.
-</p>
-
-<h2>Blocking vs Non-Blocking Methods</h2>
-<p>Each component of pvaClient provides a set of blocking and non-blocking calls.
-For example several components (examples are <b>PvaClientChannel</b> and <b>PvaChannelGet</b>)
-have methods:</p>
-<dl>
-    <dt>connect</dt>
-       <dd>
-        This calls issueConnect and then waitConnect.
-        If waitConnect fails an exception is thrown.
-        Since waitConnect is a blocking method so is this.
-       </dd>
-    <dt>issueConnect</dt>
-       <dd>
-         This is a request to connect, i. e. issue a request to the server to create something
-         on the server. This is a non blocking call.
-       </dd>
-    <dt>waitConnect</dt>
-       <dd>
-         This waits for the server to respond to issueConnect.
-         It blocks until the server responds or a timeout occurs.
-       </dd>
-</dl>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientChannel.html

@@ -1,123 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientChannel</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientChannel</h1>
-
-<h2>Overview</h2>
-<p>
-pvaClientChannel is a synchronous wrapper for the pvAccess::Channel API, which is a callback based API.
-Thus it is easier to use than pvAccess::Channel itself.
-</p>
-<p>An instance of <b>PvaClientChannel</b> connects to a single channel.
-An instance can only be created via class <b>PvaClient</b> which has both synchronous methods, which block, and non blocking methods.
-The synchrouous methods block until a connection is made to the channel and throw an exception if a 
-timeout occurs while trying to make a connection.
-The non blocking methods leave connection to the caller.
-</p>
-<p><b>PvaClientChannel</b> has methods:</p>
-<dl>
-   <dt>Connect to channel</dt>
-     <dd>These can be called indirectly by a blocking request to <b>PvaClient</b>
-       or by the client if a non blocking request is made to <b>PvaClient</b>.
-     </dd>
-   <dt>Channel state change requester</dt>
-     <dd>The client can provide a callback that is called each time the connection state
-       of the channel changes.
-     </dd>
-   <dt>Creating all of the following</dt>
-   <dd>
-<pre>
-PvaClientField      NOT IMPLEMENTED
-PvaClientProcess
-PvaClientGet
-PvaClientPut
-PvaClientPutGet
-PvaClientMonitor
-PvaClientArray      NOT IMPLEMENTED
-PvaClientRPC
-</pre>
-   </dd>
-</dl>
-<h2>Connect: Blocking vs Non-Blocking </h2>
-<p><b>PvaClientChannel</b> has methods:</p>
-<dl>
-    <dt>connect</dt>
-       <dd>
-        This calls issueConnect and then waitConnect.
-        If waitConnect fails an exception is thrown.
-        Since waitConnect is a blocking method so is this.
-       </dd>
-    <dt>issueConnect</dt>
-       <dd>
-         This is a request to connect to the channel. This is a non blocking call.
-       </dd>
-    <dt>waitConnect</dt>
-       <dd>
-         This waits for the server to respond to issueConnect.
-         It blocks until the server responds or a timeout occurs.
-       </dd>
-</dl>
-
-<h2>Get and Put Caching</h2>
-<p>
-<b>PvaClientChannel</b> has methods:
-</p>
-<pre>
-PvaClientGetPtr get(std::string const &amp; request);
-PvaClientPutPtr put(std::string const &amp; request);
-</pre>
-<p>
-Each of these caches.
-For example all calls to <b>get</b> with the same <b>request</b> will share the same
-<b>PvaChannelGet</b>
-</p>
-<p>
-For example consider a client that makes multiple calls like:
-</p>
-<pre>
-double value;
-value =  pva->channel(channelName)->get()->getData()->getDouble();
-...
-value =  pva->channel(channelName)->get()->getData()->getDouble();
-</pre>
-<p>
-Only the first call creates a new PvaClientChannel and a new PvaClientGet.
-The second call reuses the cached PvaClientChannel and PvaClientGet.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientChannelStateChangeRequester.html

@@ -1,81 +0,0 @@
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-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientChannelStateChangeRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
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-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientChannelStateChangeRequester</h1>
-
-<p>This class has the single method <b>channelStateChange</b>.
-It is called each time the channel connection status changes.
-</p>
-<p>
-<b>NOTE:</b>
-The implementation must not call a method that blocks waiting for a response from the server.
-It it does the client may be blocked forever.
-</p>
-<p>
-An example of illegal code is:
-</p>
-<pre>
-virtual void channelStateChange(PvaClientChannelPtr const & channel, bool isConnected)
-{
-    if(isConnected&&!pvaClientPut)
-    {
-       pvaClientPut  = pvaClientChannel->createPut(request);
-       pvaClientPut->connect();
-    }
-}
-</pre>
-<p>
-This is illegal because the call to <b>connect</b> blocks.
-</p>
-<p>The following is an example of legal code:
-</p>
-<pre>
-virtual void channelStateChange(PvaClientChannelPtr const & channel, bool isConnected)
-{
-    if(isConnected&&!pvaClientPut)
-    {
-       pvaClientPut  = pvaClientChannel->createPut(request);
-       pvaClientPut->issueConnect();
-    }
-}
-</pre>
-<p>This is legal code because neither <b>createPut</b> or <b>issueConnect</b>
-blocks.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientGet.html

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-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientGet</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
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-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientGet</h1>
-
-
-<p>
-pvaClientGet is a synchronous wrapper for the pvAccess::ChannelGet API, which is a callback based API.
-Thus it is easier to use than pvAccess::ChannelGet itself.
-</p>
-<p>An instance of PvaClientGet is created via a call to one of the following:</p>
-<pre>
-class PvaClientChannel
-...
-{
-...
-    PvaClientGetPtr get(std::string const &amp; request = "field(value,alarm,timeStamp)");
-    PvaClientGetPtr createGet(std::string const &amp; request = "");
-    PvaClientGetPtr createGet(epics::pvData::PVStructurePtr const &amp;  pvRequest);
-...
-};
-<p>An instance of <b>PvaClientGet</b> connects to a single channel.
-<b>PvaClientGet</b> has both synchronous methods, which block, and non blocking methods.
-</p>
-<p><b>PvaClientChannel</b> has methods:</p>
-<pre>
-connect             Calls issueConnect and then waitConnect.
-issueConnect        issues a request to the server to create the server side of ChannelPut.
-waitConnect         blocks until server responds that it has created the ChannelPut.
-get                 Calls issueGet and then waitGet.
-issueGet            issues a get request to the server.
-waitGet             waits until the server send a message that the get is complete.
-getData             get the data.
-</pre>
-<p>
-<b>issueConnect</b> and <b>issueGet</b> do not block.
-All other methods can block.
-</p>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientGetData.html

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-  <title>PvaClientGetData</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
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-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientGetData</h1>
-
-<p>This class provides access to the data returned by calls to get data via <b>PvaChannelGet</b>
-It provides methods:</p>
-<pre>
-getStructure          Get the introspection interface for data returned from server
-getPVStructure        Get the complete set of data returned from the server.
-getChangedBitSet      Get the bitSet that shows which fields have a new value since last get.
-showChanged           Show all the fields that have changed value since the last get,
-getAlarm              If a alarm field is available get it.
-getTimeStamp          If a timeStamp field is available get it.
-hasValue              Does the PVStructure have a top level field named value
-NOTE: The following only apply if hasValue is true.
-isValueScalar         Is the value field a scalar?
-isValueScalarArray    Is the value field a scalar array?
-getValue              Get the value field.
-getScalarValue        Get a scalar value field.
-getArrayValue         Get an array value field.
-getScalarArrayValue   Get a scalar array value field.
-getDouble             Get scalar value field as a double.
-getString             Get value field as a string.
-getDoubleArray        Get value field as a double array.
-getStringArray        Get value field as a string array.
-</pre>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientGetRequester.html

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-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientGetRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
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-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientGetRequester</h1>
-
-<p>This is a virtual class that can be implemented by a client that uses <b>PvaClientGet</b>.
-It has the methods:</p>
-<pre>
-virtual void channelGetConnect(
-    const Status&amp; status,
-    PvaClientGetPtr const &amp; clientGet) {}
-virtual void getDone(
-    const Status&amp; status,
-    PvaClientGetPtr const &amp; clientGet) = 0;
-</pre>
-
-<p>The client must call</p>
-<pre>
-pvaClientGet->setRequester(shared_from_this());
-</pre>
-<p>
-after creating an instance of PvaClientGet.
-</p>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientMonitor.html

@@ -1,106 +0,0 @@
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-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientMonitor</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
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-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientMonitor</h1>
-<p>
-<b>NOTE:</b> This is a work in progress.
-</p>
-<h2>Overview</h2>
-<p>
-This provides an easier way to create a monitor on a channel than to use pvAccessCPP itself.
-It provides two main ways to create a monitor:
-</p>
-<h3>The client first creates a PvaClientMonitorChannel and then creates a monitor</h3>
-The client calls:
-<pre>
-static PvaClientMonitorPtr create(
-    PvaClientMonitorPtr const &amp;PvaClientMonitor,
-    PvaClientMonitorChannelPtr const &amp; PvaClientMonitorChannel,
-    epics::pvData::PVStructurePtr const &amp;pvRequest
-);
-
-where
-
-PvaClientMonitor
-    The PvaClientMonitor.
-
-PvaClientMonitorChannel
-    The PvaClientMonitorChannel that has already been created by the client.
-
-pvRequest
-    The pvRequest for creating the monitor.
-</pre>
-With this method the monitor is created and started.
-This method blocks while the monitor is created.
-<h3>The client provides names for a channel and a provider</h3>
-The client calls:
-<pre>
-static PvaClientMonitorPtr create(
-    PvaClientMonitorPtr const &amp;PvaClientMonitor,
-    std::string const &amp; channelName,
-    std::string const &amp; providerName,
-    std::string const &amp; request,
-    PvaClientMonitorChannelStateChangeRequesterPtr const &amp; stateChangeRequester,
-    PvaClientMonitorRequesterPtr const &amp; monitorRequester
-);
-
-where
-
-PvaClientMonitor
-    The PvaClientMonitor.
-
-channelName
-    The name of the channel.
-
-providerName
-    The name of the provider
-
-request
-    The request for creating the monitor
-
-stateChangeRequester
-    The client supplied state change requester.
-    This will be called each time a state change for the channel occurs.
-
-monitorRequester
-    The client supplied monitor requester.
-    This is called each time a new monitor event is available.
-</pre>
-With this method a pvaChannel is created and after it connects a pvaMonitor is created and started.
-This method never blocks.
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientMonitorData.html

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-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientMonitorData</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
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-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientMonitorData</h1>
-
-
-<p>This class provides access to the data returned by calls to get data via <b>PvaChannelGet</b>
-It provides methods:</p>
-<pre>
-getStructure          Get the introspection interface for data returned from server
-getPVStructure        Get the complete set of data returned from the server.
-getChangedBitSet      Get the bitSet that shows which fields have a new value since last monitor event.
-getOverrunBitSet      Get the bitSet that shows which fields have changed more than once since last monitor event.
-showChanged           Show all the fields that have changed value since the last monitor event,
-showChanged           Show all the fields that have changed value more than once since last monitor event.
-getAlarm              If a alarm field is available get it.
-getTimeStamp          If a timeStamp field is available get it.
-hasValue              Does the PVStructure have a top level field named value
-NOTE: The following only apply if hasValue is true.
-isValueScalar         Is the value field a scalar?
-isValueScalarArray    Is the value field a scalar array?
-getValue              Get the value field.
-getScalarValue        Get a scalar value field.
-getArrayValue         Get an array value field.
-getScalarArrayValue   Get a scalar array value field.
-getDouble             Get scalar value field as a double.
-getString             Get value field as a string.
-getDoubleArray        Get value field as a double array.
-getStringArray        Get value field as a string array.
-</pre>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientMonitorRequester.html

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-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientMonitorRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
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-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientMonitorRequester</h1>
-
-<p>This is a virtual class that can be implemented by a client that uses <b>PvaClientMonitor</b>.
-It has the methods:</p>
-<pre>
-virtual void monitorConnect(
-    const Status&amp; status,
-    PvaClientMonitorPtr const &amp; clientMonitor,
-    StructureConstPtr const &amp; structure) {}
-virtual void event(
-    PvaClientMonitor const &amp; clientGet) = 0;
-virtual void unlisten()
-{
-     std::cerr &lt;&lt; "PvaClientMonitorRequester::unlisten called"
-               &lt;&lt; " but no PvaClientMonitorRequester::unlisten\n";
-}
-</pre>
-
-<p>The client must call</p>
-<pre>
-pvaClientMonitor->setRequester(shared_from_this());
-</pre>
-<p>
-after creating an instance of PvaClientMonitor.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientProcess.html

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-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientProcess</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
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-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientProcess</h1>
-
-<p>
-pvaClientProcess is a synchronous wrapper for the pvAccess::ChannelProcess API, which is a callback based API.
-Thus it is easier to use than pvAccess::ChannelProcess itself.
-</p>
-<p>An instance of PvaClientProcess is created via a call to one of the followimg:</p>
-<pre>
-class PvaClientChannel
-...
-{
-...
-    PvaClientProcessPtr createProcess(std::string const &amp; request = "");
-    PvaClientProcessPtr createProcess(epics::pvData::PVStructurePtr const &amp;  pvRequest);
-...
-};
-<p>An instance of <b>PvaClientProcess</b> connects to a single channel.
-<b>PvaClientProcess</b> has both synchronous methods, which block, and non blocking methods.
-</p>
-<p><b>PvaClientChannel</b> has methods:</p>
-<pre>
-connect             Calls issueConnect and then waitConnect.
-issueConnect        issues a request to the server to create the server side of ChannelPut.
-waitConnect         blocks until server responds that it has created the ChannelPut.
-process             Calls issueProcess and then waitProcess.
-issueProcess        issues a process request to the server.
-waitProcess         waits until the server send a message that the process is complete.
-</pre>
-<p>
-<b>issueConnect</b> and <b>issueProcess</b> do not block.
-All other methods can block.
-</p>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientPut.html

@@ -1,82 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientChannelPut</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientChannelPut</h1>s
-
-<p>
-pvaClientPut is a synchronous wrapper for the pvAccess::ChannelPut API, which is a callback based API.
-Thus it is easier to use than pvAccess::ChannelPut itself.
-</p>
-<p>
-<b>NOTE:</b>
-Except for union fields pvaClientPut takes care of modifying the bitSet associated with
-the data sent to the server.
-</p>
-<p>An instance of PvaClientPut is created via a call to one of the followimg:</p>
-<pre>
-class PvaClientChannel
-...
-{
-...
-    PvaClientPutPtr put(std::string const & request = "field(value,alarm,timeStamp)");
-    PvaClientPutPtr createPut(std::string const & request = "");
-    PvaClientPutPtr createPut(epics::pvData::PVStructurePtr const &  pvRequest);
-...
-};
-<p>An instance of <b>PvaClientPut/b> connects to a single channel.
-<b>PvaClientPut</b> has both synchronous methods, which block, and non blocking methods.
-</p>
-<p><b>PvaClientPut</b> has methods:</p>
-<pre>
-connect             Calls issueConnect and then waitConnect.
-issueConnect        issues a request to the server to create the server side of ChannelPut.
-waitConnect         blocks until server responds that it has created the ChannelPut.
-get                 Calls issueGet and then waitGet.
-issueGet            issues a request to the server to get the latest data.
-waitGet             waits until the server send a message that the get is complete.
-put                 Calls issuePut and then waitPut.
-issuePut            issues a put request to the server.
-waitPut             waits until the server send a message that the put is complete.
-getData             get the data.
-</pre>
-<p>
-Note that <b>issueConnect</b>, <b>issueGet</b>  and <b>issuePut</b> do not block but all other methods
-do block.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientPutData.html

@@ -1,75 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientPutData</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientPutData</h1>
-
-<p>This class provides access to data to send to the server via a <b>PvaChannelPut</b>
-It is created by <b>PvaChannelPut</b> or <b>PvaChannelPutGet</b>.
-This the client only gets access to an instance by getting it from <b>PvaChannelPut</b> or <b>PvaChannelPutGet</b>.
-<p>
-<p>Note also that for all field types except <b>union</b> the <b>BitSet</b> for the data is updated
-by <b>PvaChannelPut</b> or <b>PvaChannelPutGet</b> whenever the client changes a field.
-For a <b>union</b> or <b>unionArray</b> field the client must update the <b>BitSet</b>.
-</p>
-
-<p>
-PvaClientPutData provides methods:</p>
-<pre>
-getStructure          Get the introspection interface for data sent to server
-getPVStructure        Get the complete set of data sent to the server.
-getChangedBitSet      Get the bitSet that shows which fields have a new value since last get.
-showChanged           Show all the fields that have changed value since the last get,
-getAlarm              If a alarm field is available get it.
-getTimeStamp          If a timeStamp field is available get it.
-hasValue              Does the PVStructure have a top level field named value
-NOTE: The following only apply if hasValue is true.
-isValueScalar         Is the value field a scalar?
-isValueScalarArray    Is the value field a scalar array?
-getValue              Get the value field.
-getScalarValue        Get a scalar value field.
-getArrayValue         Get an array value field.
-getScalarArrayValue   Get a scalar array value field.
-getDouble             Get scalar value field as a double.
-getString             Get value field as a string.
-getDoubleArray        Get value field as a double array.
-getStringArray        Get value field as a string array.
-putDouble             Put scalar value field as a double.
-putString             Put value field as a string.
-putDoubleArray        Put value field as a double array.
-putStringArray        Put value field as a string array.
-</pre>
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientPutGet.html

@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientPutGetGet</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientPutGetGet</h1>
-
-<p>
-pvaClientPutGet is a synchronous wrapper for the pvAccess::ChannelPutGet API, which is a callback based API.
-Thus it is easier to use than pvAccess::ChannelPut itself.
-</p>
-<p>
-<b>NOTE:</b>
-Except for union fields pvaClientPutGet takes care of modifying the bitSet associated with
-the data sent to the server.
-</p>
-<p>An instance of PvaClientPutGet is created via a call to one of the followimg:</p>
-<pre>
-class PvaClientChannel
-...
-{
-...
-    PvaClientPutGetPtr createPutGet(std::string const &amp; request);
-    PvaClientPutGetPtr createPutGet(epics::pvData::PVStructurePtr const &amp;  pvRequest);
-...
-};
-<p>An instance of <b>PvaClientPutGet</b> connects to a single channel.
-<b>PvaClientPutGet</b> has both synchronous methods, which block, and non blocking methods.
-</p>
-<p><b>PvaClientPutGet</b> has methods:</p>
-<pre>
-connect             calls issueConnect and then waitConnect.
-issueConnect        issues a request to the server to create the server side of ChannelPut.
-waitConnect         blocks until server responds that it has created the ChannelPut.
-putGet              call issuePutGet and then waitPutGet.
-issuePutGet         issue a putGet and return immediately.
-waitPutGet          wait until putGet completes.
-getGet              calls issueGetGet and then waitGetGet.
-issueGetGet         issues a request to the server to get the latest data for the get data.
-waitGetGet          waits until the server send a message that the getGet is complete.
-getPut              calls issueGetPut and then waitGetPut.
-issueGetPut         issues a request to the server to get the latest data for the put data.
-waitGetPut          waits until the server send a message that the getPut is complete.
-getPutData          get the put portion of the data.
-getGetData          get the get portion of the data.
-</pre>
-<p>
-<b>issueConnect</b>, <b>issuePutGet</b>,  <b>issueGetGet</b>  and <b>issueGetPut</b> do not block.
-All other methods can block.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientPutGetRequester.html

@@ -1,66 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientPutGetRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientPutGetRequester</h1>
-
-<p>This is a virtual class that can be implemented by a client that uses <b>PvaClientPut</b>.
-It has the methods:</p>
-<pre>
-virtual void channelPutGetConnect(
-    const Status&amp; status,
-    PvaClientPutGetPtr const &amp; clientPutGet) {}
-virtual void putGetDone(
-    const Status&amp; status,
-    PvaClientPutGetPtr const &amp; clientPutGet) {}
-virtual void getPutDone(
-    const Status&amp; status,
-    PvaClientPutGetPtr const &amp; clientPutGet) = 0;
-virtual void getGetDone(
-    const Status&amp; status,
-    PvaClientPutGetPtr const &amp; clientPutGet) = 0;
-</pre>
-
-<p>The client must call</p>
-<pre>
-pvaClientPutGet->setRequester(shared_from_this());
-</pre>
-<p>
-after creating an instance of PvaClientPutGet.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientPutRequester.html

@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientPutRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientPutRequester</h1>
-
-<p>This is a virtual class that can be implemented by a client that uses <b>PvaClientPut</b>.
-It has the methods:</p>
-<pre>
-virtual void channelPutConnect(
-    const Status&amp; status,
-    PvaClientPutPtr const &amp; clientPut) {}
-virtual void getDone(
-    const Status&amp; status,
-    PvaClientPutPtr const &amp; clientPut) {}
-virtual void putDone(
-    const Status&amp; status,
-    PvaClientPutPtr const &amp; clientPut) = 0;
-</pre>
-
-<p>The client must call</p>
-<pre>
-pvaClientPut->setRequester(shared_from_this());
-</pre>
-<p>
-after creating an instance of PvaClientPut.
-</p>
-
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientRPC.html

@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientRPC</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientRPC</h1>
-
-<p>
-<b>Not Yet Written</b>
-</p>
-
-</body>
-</html>
-

documentation/htmldoxygen/pvaClientRPCRequester.html

@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>PvaClientRPCRequester</title>
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/base.css" />
-  <link rel="stylesheet" type="text/css"
-  href="http://epics-pvdata.sourceforge.net/epicsv4.css" />
-  <style type="text/css">
-  /*<![CDATA[*/
-     .about { margin-left: 3em; margin-right: 3em; font-size: .83em}
-     table { margin-left: auto; margin-right: auto }
-     .diagram { text-align: center; margin: 2.5em 0 }
-     span.opt { color: grey }
-     span.nterm { font-style:italic }
-     span.term { font-family:courier }
-     span.user { font-family:courier }
-     span.user:before { content:"<" }
-     span.user:after { content:">" }
-     .nonnorm { font-style:italic }
-     p.ed { color: #AA0000 }
-     span.ed { color: #AA0000 }
-     p.ed.priv { display: inline; }
-     span.ed.priv { display: inline; }
-  /*]]>*/</style>
-  <!-- Script that generates the Table of Contents -->
-  <script type="text/javascript"
-  src="http://epics-pvdata.sourceforge.net/script/tocgen.js">
-  </script>
-</head>
-<body>
-
-<h1>PvaClientRPCRequester</h1>
-
-<p>
-<b>Not Yet Written</b>
-</p>
-
-</body>
-</html>
-

documentation/pvaClientCPP.html

@@ -4,7 +4,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
   <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
-  <title>EPICS pvaClientCPP</title>
+  <title>EPICS pva</title>
   <link rel="stylesheet" type="text/css"
   href="http://epics-pvdata.sourceforge.net/base.css" />
   <link rel="stylesheet" type="text/css"
@@ -26,11 +26,11 @@
 
 <div class="head">
 <h1>EPICS pvaClientCPP</h1>
-<h2 class="nocount">Release 4.3.0 - 2017-12-14</h2>
+<h2 class="nocount">Release 4.2.0-SNAPSHOT - 2016-07-14</h2>
 
 <h2 class="nocount">Abstract</h2>
 
-<p>pvaClient is a software library that provides, to an EPICS client programmer, a friendly
+<p>pvaClient is a software library that provides to an EPICS client programmer, a friendly
 client side programming interface to the data of an EPICS based control system. It is intended 
 for such uses as rapid development of ad hoc programs by controls engineers, or to provide 
 scientists a way to directly develop analytical applications.</p>
@@ -62,6 +62,11 @@ The data for the channels is presented via normative type NTMultiChannel.
 
 </div> <!-- head -->
 
+<div id="toc">
+  <h2 class="nocount">Table of Contents</h2>
+</div>
+
+<!-- Place what you would like in the Table of Contents, inside the contents div -->
 <div id="contents" class="contents">	  
 <hr />
 <h2>Overview</h2>
@@ -71,10 +76,10 @@ pvaClientCPP is one of the components of
 EPICS Version 4
 </a>
 </p>
-<p>This document is only a guide to help locate code and documentation related to pvaClientCPP
+<p>This document is only a guide to help locate code and documentation related to pvDatabaseCPP
 </p>
 <p>
-It is intended for developers that want to use pvaClientCPP.
+It is intended for developers that want to use pvDatabaseCPP.
 </p>
 <h2>Developer Guide</h2>
 <p>A guide for developers is available at
@@ -83,11 +88,14 @@ href="http://epics-pvdata.sourceforge.net/informative/developerGuide/developerGu
 developerGuide
 </a>
 </p>
-<p>This guide provides an overview of  the components that are part of an <b>EPICS V4</b> release.
+<p>This guide discusses all the components that are part of an <b>EPICS V4</b> release.
 Some understanding of the components and how they are related is necessary in order to
-develop code that uses pvaClientCPP.
+develop code that uses pvDatabaseCPP.
 In particular read everything related to pvaClient.
 </p>
+<p>The developerGuide discusses code in a way that applies to both CPP and C++.
+For the descriptions of the CPP specific code consult the next section.
+</p>
 
 <h2>doxygen</h2>
 <p>doxygen documentation is available at
@@ -96,9 +104,9 @@ href="./html/index.html">doxygen</a>
 </p>
 
 <h2>exampleCPP</h2>
-<p>Example code is available at
+<p>Example code is available as part of this release.
 <a
-href="https://github.com/epics-base/exampleCPP">
+href="http://epics-pvdata.sourceforge.net/docbuild/exampleCPP/tip/documentation/exampleCPP.html">
 exampleCPP
 </a>
 </p>

jenkins/cloudbees_build

@@ -21,22 +21,31 @@ installE4 () {
     local module=$1
     local branch=$2
 
-    wget -nv https://openepics.ci.cloudbees.com/job/e4-cpp-${module}-${branch}-build/BASE=${BASE}/lastSuccessfulBuild/artifact/${module}.CB-dist.tar.gz
+    # If microbench version does not exist, try without
+    if [ "${MB}" = "WITH_MICROBENCH" ]; then
+        if ! wget -nv https://openepics.ci.cloudbees.com/job/e4-cpp-${module}-${branch}-build/BASE=${BASE},MB=WITH_MICROBENCH/lastSuccessfulBuild/artifact/${module}.CB-dist.tar.gz; then
+            wget -nv https://openepics.ci.cloudbees.com/job/e4-cpp-${module}-${branch}-build/BASE=${BASE},MB=NO_MICROBENCH/lastSuccessfulBuild/artifact/${module}.CB-dist.tar.gz
+        fi
+    else
+        wget -nv https://openepics.ci.cloudbees.com/job/e4-cpp-${module}-${branch}-build/BASE=${BASE},MB=NO_MICROBENCH/lastSuccessfulBuild/artifact/${module}.CB-dist.tar.gz
+    fi
     tar -xzf ${module}.CB-dist.tar.gz
 }
 
 ###########################################
-# Defaults for EPICS Base
+# Defaults for EPICS Base and MB
 
 DEFAULT_BASE=3.15.4
 BASE=${BASE:-${DEFAULT_BASE}}
+MB=${MB:-"NO_MICROBENCH"}
 
 ###########################################
 # Dependent module branches
 
-PVDATA_BRANCH="master"
+PVCOMMON_BRANCH="release-4.2"
-PVACCESS_BRANCH="master"
+PVDATA_BRANCH="release-6.0"
-NORMATIVETYPES_BRANCH="master"
+PVACCESS_BRANCH="release-5.0"
+NORMATIVETYPES_BRANCH="release-5.1"
 
 ###########################################
 # Fetch and unpack dependencies
@@ -50,6 +59,7 @@ cd ${STUFF}
 installTool Boost 1.61.0
 installTool Base ${BASE}
 
+installE4 pvCommon ${PVCOMMON_BRANCH}
 installE4 pvData ${PVDATA_BRANCH}
 installE4 pvAccess ${PVACCESS_BRANCH}
 installE4 normativeTypes ${NORMATIVETYPES_BRANCH}

src/Makefile

@@ -6,7 +6,7 @@ include $(TOP)/configure/CONFIG
 LIBRARY += pvaClient
 
 # shared library ABI version.
-SHRLIB_VERSION ?= 4.3.0
+SHRLIB_VERSION ?= 4.2.0
 
 INC += pv/pvaClient.h
 INC += pv/pvaClientMultiChannel.h
@@ -31,8 +31,8 @@ LIBSRCS += pvaClientNTMultiGet.cpp
 LIBSRCS += pvaClientNTMultiMonitor.cpp
 LIBSRCS += pvaClientRPC.cpp
 
-pvaClient_LIBS += nt
+pvaClient_LIBS += pvAccess nt pvData Com
-pvaClient_LIBS += $(EPICS_BASE_PVA_CORE_LIBS)
+pvaClient_LIBS +=  $(EPICS_BASE_IOC_LIBS)
-pvaClient_LIBS += $(EPICS_BASE_IOC_LIBS)
 
 include $(TOP)/configure/RULES
+

src/pv/pvaClientMultiChannel.h

@@ -145,6 +145,10 @@ public:
      */
     PvaClientNTMultiMonitorPtr createNTMonitor(
         std::string const &request= "field(value,alarm,timeStamp)");
+     /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientMultiChannel(
         PvaClientPtr const &pvaClient,
@@ -205,6 +209,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientMultiGetDouble(
          PvaClientMultiChannelPtr const &pvaClientMultiChannel,
@@ -254,6 +262,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientMultiPutDouble(
          PvaClientMultiChannelPtr const &pvaClientMultiChannel,
@@ -317,6 +329,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientMultiMonitorDouble(
          PvaClientMultiChannelPtr const &pvaClientMultiChannel,
@@ -374,6 +390,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientNTMultiGet(
          epics::pvData::UnionConstPtr const & u,
@@ -433,6 +453,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientNTMultiPut(
          PvaClientMultiChannelPtr const &pvaClientMultiChannel,
@@ -499,6 +523,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientNTMultiMonitor(
          epics::pvData::UnionConstPtr const & u,
@@ -573,6 +601,10 @@ public:
     {
         return shared_from_this();
     }
+    /** Deprecated method
+     * \deprecated This method will go away in future versions. 
+     */
+    void destroy()  EPICS_DEPRECATED {}
 private:
     PvaClientNTMultiData(
          epics::pvData::UnionConstPtr const & u,

src/pvaClient.cpp

@@ -87,18 +87,7 @@ size_t PvaClientChannelCache::cacheSize()
 
 }
 
-// MSVC doesn't like making this a class static data member:
+bool PvaClient::debug = false;
-static bool debug = 0;
-
-void PvaClient::setDebug(bool value)
-{
-    debug = value;
-}
-
-bool PvaClient::getDebug()
-{
-    return debug;
-}
 
 PvaClientPtr PvaClient::get(std::string const & providerNames)
 {
@@ -115,53 +104,43 @@ PvaClientPtr PvaClient::get(std::string const & providerNames)
 PvaClient::PvaClient(std::string const & providerNames)
 :  pvaClientChannelCache(new PvaClientChannelCache()),
    pvaStarted(false),
-   caStarted(false),
+   caStarted(false)
-   channelRegistry(ChannelProviderRegistry::clients())
 {
     stringstream ss(providerNames);
     string providerName;
-    if(getDebug()) {
-         cout<< "PvaClient::PvaClient()\n";
-    }
     while (getline(ss, providerName, ' '))
     {
+         ChannelProviderRegistry::shared_pointer registry(getChannelProviderRegistry());
          if(providerName=="pva") {
-             if(getDebug()) {
-                  cout<< "calling ClientFactory::start()\n";
-              }
              ClientFactory::start();
              pvaStarted = true;
          } else if(providerName=="ca") {
-             if(getDebug()) {
-                  cout<< "calling CAClientFactory::start()\n";
-              }
              CAClientFactory::start();
              caStarted = true;
-         } else { 
+         } else {
-             if(!channelRegistry->getProvider(providerName)) {
+             if(!registry->getProvider(providerName)) {
-                 cerr << "PvaClient::get provider " << providerName  << " not known" << endl;
+                  cerr << "PvaClient::get provider " << providerName  << " not known" << endl;
              }
          }
     }
 }
 
 PvaClient::~PvaClient() {
-    if(getDebug()) {
+    if(PvaClient::debug) {
         cout<< "PvaClient::~PvaClient()\n"
             << "pvaChannel cache:\n";
         showCache();
     }
     if(pvaStarted){
-        if(getDebug()) cout<< "calling ClientFactory::stop()\n";
+        if(PvaClient::debug) cout<< "calling ClientFactory::stop()\n";
         ClientFactory::stop();
-        if(getDebug()) cout<< "after calling ClientFactory::stop()\n";
+        if(PvaClient::debug) cout<< "after calling ClientFactory::stop()\n";
     }
     if(caStarted) {
-        if(getDebug()) cout<< "calling CAClientFactory::stop()\n";
+        if(PvaClient::debug) cout<< "calling CAClientFactory::stop()\n";
         CAClientFactory::stop();
-        if(getDebug()) cout<< "after calling CAClientFactory::stop()\n";
+        if(PvaClient::debug) cout<< "after calling CAClientFactory::stop()\n";
     }
-channelRegistry.reset();
 }
 
 string PvaClient:: getRequesterName()

src/pvaClientChannel.cpp

@@ -122,12 +122,60 @@ size_t PvaClientPutCache::cacheSize()
 
 }
 
+class epicsShareClass ChannelRequesterImpl : public ChannelRequester
+{
+    PvaClientChannel::weak_pointer pvaClientChannel;
+    PvaClient::weak_pointer pvaClient;
+public:
+    ChannelRequesterImpl(
+        PvaClientChannelPtr const & pvaClientChannel,
+        PvaClientPtr const &pvaClient)
+    : pvaClientChannel(pvaClientChannel),
+      pvaClient(pvaClient)
+    {}
+    virtual ~ChannelRequesterImpl() {
+        if(PvaClient::getDebug()) std::cout << "~ChannelRequesterImpl" << std::endl;
+    }
+
+    virtual std::string getRequesterName() {
+        PvaClientChannelPtr clientChannel(pvaClientChannel.lock());
+        if(!clientChannel) return string("clientChannel is null");
+        return clientChannel->getRequesterName();
+    }
+
+    virtual void message(std::string const & message, epics::pvData::MessageType messageType) {
+        PvaClientChannelPtr clientChannel(pvaClientChannel.lock());
+        if(!clientChannel) return;
+        clientChannel->message(message,messageType);
+    }
+
+    virtual void channelCreated(
+         const epics::pvData::Status& status,
+         Channel::shared_pointer const & channel)
+    {
+        PvaClientChannelPtr clientChannel(pvaClientChannel.lock());
+        if(!clientChannel) return;
+        clientChannel->channelCreated(status,channel);
+    }
+
+    virtual void channelStateChange(
+          Channel::shared_pointer const & channel,
+          Channel::ConnectionState connectionState)
+    {
+        PvaClientChannelPtr clientChannel(pvaClientChannel.lock());
+        if(!clientChannel) return;
+        clientChannel->channelStateChange(channel,connectionState);
+    }
+};
+
 PvaClientChannelPtr PvaClientChannel::create(
    PvaClientPtr const &pvaClient,
    string const & channelName,
    string const & providerName)
 {
     PvaClientChannelPtr channel(new PvaClientChannel(pvaClient,channelName,providerName));
+    channel->channelRequester = ChannelRequesterImplPtr(
+        new ChannelRequesterImpl(channel,pvaClient));
     return channel;
 }
 
@@ -198,26 +246,25 @@ void PvaClientChannel::channelStateChange(
         << " " << Channel::ConnectionStateNames[connectionState]
         << endl;
     }
-    
-    bool waitingForConnect = false;
-    if(connectState==connectActive) waitingForConnect = true;
-    if(connectionState!=Channel::CONNECTED) {
-        string mess(channelName +
-                " connection state " + Channel::ConnectionStateNames[connectionState]);
-        message(mess,errorMessage);
-        connectState = notConnected;
-    } else {
-        connectState = connected;
-    }
-    if(waitingForConnect) {
-         Lock xx(mutex);
-         waitForConnect.signal();
-    }
     PvaClientChannelStateChangeRequesterPtr req(stateChangeRequester.lock());
     if(req) {
          bool value = (connectionState==Channel::CONNECTED ? true :  false);
          req->channelStateChange(shared_from_this(),value);
     }
+   
+    Lock xx(mutex);
+    bool waitingForConnect = false;
+    if(connectState==connectActive) waitingForConnect = true;
+    if(connectionState!=Channel::CONNECTED) {
+         string mess(channelName +
+             " connection state " + Channel::ConnectionStateNames[connectionState]);
+             message(mess,errorMessage);
+             connectState = notConnected;
+         return;
+    } else {
+        connectState = connected;
+    }
+    if(waitingForConnect) waitForConnect.signal();
 }
 
 string PvaClientChannel::getRequesterName()
@@ -250,9 +297,6 @@ void PvaClientChannel::setStateChangeRequester(
     PvaClientChannelStateChangeRequesterPtr const & stateChangeRequester)
 {
     this->stateChangeRequester = stateChangeRequester;
-    bool isConnected = false;
-    if(channel) isConnected = channel->isConnected();
-    stateChangeRequester->channelStateChange(shared_from_this(),isConnected);
 }
 
 void PvaClientChannel::connect(double timeout)
@@ -284,13 +328,13 @@ void PvaClientChannel::issueConnect()
         }
         connectState = connectActive;
     }
-    ChannelProviderRegistry::shared_pointer reg(ChannelProviderRegistry::clients());
+    ChannelProviderRegistry::shared_pointer reg = getChannelProviderRegistry();
-    channelProvider = reg->getProvider(providerName);
+    ChannelProvider::shared_pointer provider = reg->getProvider(providerName);
-    if(!channelProvider) {
+    if(!provider) {
         throw std::runtime_error(channelName + " provider " + providerName + " not registered");
     }
     if(PvaClient::getDebug()) cout << "PvaClientChannel::issueConnect calling provider->createChannel\n";
-    channel = channelProvider->createChannel(channelName,shared_from_this(),ChannelProvider::PRIORITY_DEFAULT);
+    channel = provider->createChannel(channelName,channelRequester,ChannelProvider::PRIORITY_DEFAULT);
     if(!channel) {
          throw std::runtime_error(channelName + " channelCreate failed ");
     }
@@ -304,7 +348,6 @@ Status PvaClientChannel::waitConnect(double timeout)
     }
     {
         Lock xx(mutex);
-        if(!channel) return Status(Status::STATUSTYPE_ERROR,"");
         if(channel->isConnected()) return Status::Ok;
     }
     if(timeout>0.0) {
@@ -312,9 +355,8 @@ Status PvaClientChannel::waitConnect(double timeout)
     } else {
         waitForConnect.wait();
     }
-    if(!channel) return Status(Status::STATUSTYPE_ERROR,"pvaClientChannel::waitConnect channel is null");
     if(channel->isConnected()) return Status::Ok;
-    return Status(Status::STATUSTYPE_ERROR," not connected");
+    return Status(Status::STATUSTYPE_ERROR,channelName + " not connected");
 }
 
 
@@ -341,19 +383,17 @@ PvaClientProcessPtr PvaClientChannel::createProcess(PVStructurePtr const &  pvRe
     if(connectState!=connected) connect(5.0);
     PvaClientPtr yyy = pvaClient.lock();
     if(!yyy) throw std::runtime_error("PvaClient was destroyed");
-    return PvaClientProcess::create(yyy,shared_from_this(),pvRequest);
+    return PvaClientProcess::create(yyy,channel,pvRequest);
 }
 
 
 PvaClientGetPtr PvaClientChannel::get(string const & request)
 {
     PvaClientGetPtr pvaClientGet = pvaClientGetCache->getGet(request);
-    if(!pvaClientGet) {
+    if(pvaClientGet) return pvaClientGet;
-        pvaClientGet = createGet(request);
+    pvaClientGet = createGet(request);
-        pvaClientGet->connect();
+    pvaClientGet->connect();
-        pvaClientGetCache->addGet(request,pvaClientGet);
+    pvaClientGetCache->addGet(request,pvaClientGet);
-    }
-    pvaClientGet->get();
     return pvaClientGet;
 }
 
@@ -375,7 +415,7 @@ PvaClientGetPtr PvaClientChannel::createGet(PVStructurePtr const &  pvRequest)
     if(connectState!=connected) connect(5.0);
     PvaClientPtr yyy = pvaClient.lock();
     if(!yyy) throw std::runtime_error("PvaClient was destroyed");
-    return PvaClientGet::create(yyy,shared_from_this(),pvRequest);
+    return PvaClientGet::create(yyy,channel,pvRequest);
 }
 
 
@@ -383,12 +423,10 @@ PvaClientPutPtr PvaClientChannel::put(string const & request)
 {
     PvaClientPutPtr pvaClientPut = pvaClientPutCache->getPut(request);
     if(pvaClientPut) return pvaClientPut;
-    if(!pvaClientPut) {
+    pvaClientPut = createPut(request);
-        pvaClientPut = createPut(request);
+    pvaClientPut->connect();
-        pvaClientPut->connect();
+    pvaClientPut->get();
-        pvaClientPut->get();
+    pvaClientPutCache->addPut(request,pvaClientPut);
-        pvaClientPutCache->addPut(request,pvaClientPut);
-    }
     return pvaClientPut;
 }
 
@@ -410,7 +448,7 @@ PvaClientPutPtr PvaClientChannel::createPut(PVStructurePtr const & pvRequest)
     if(connectState!=connected) connect(5.0);
     PvaClientPtr yyy = pvaClient.lock();
     if(!yyy) throw std::runtime_error("PvaClient was destroyed");
-    return PvaClientPut::create(yyy,shared_from_this(),pvRequest);
+    return PvaClientPut::create(yyy,channel,pvRequest);
 }
 
 PvaClientPutGetPtr PvaClientChannel::createPutGet(string const & request)
@@ -430,7 +468,7 @@ PvaClientPutGetPtr PvaClientChannel::createPutGet(PVStructurePtr const & pvReque
     if(connectState!=connected) connect(5.0);
     PvaClientPtr yyy = pvaClient.lock();
     if(!yyy) throw std::runtime_error("PvaClient was destroyed");
-    return PvaClientPutGet::create(yyy,shared_from_this(),pvRequest);
+    return PvaClientPutGet::create(yyy,channel,pvRequest);
 }
 
 
@@ -494,7 +532,7 @@ PvaClientMonitorPtr  PvaClientChannel::createMonitor(PVStructurePtr const &  pvR
     if(connectState!=connected) connect(5.0);
     PvaClientPtr yyy = pvaClient.lock();
     if(!yyy) throw std::runtime_error("PvaClient was destroyed");
-    return PvaClientMonitor::create(yyy,shared_from_this(),pvRequest);
+    return PvaClientMonitor::create(yyy,channel,pvRequest);
 }
 
 PVStructurePtr PvaClientChannel::rpc(

src/pvaClientGet.cpp

@@ -73,34 +73,29 @@ public:
 
 PvaClientGetPtr PvaClientGet::create(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 {
-    if(PvaClient::getDebug()) {
+    PvaClientGetPtr epv(new PvaClientGet(pvaClient,channel,pvRequest));
-         cout<< "PvaClientGet::create(pvaClient,channelName,pvRequest)\n"
+    epv->channelGetRequester = ChannelGetRequesterImplPtr(
-             << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+        new ChannelGetRequesterImpl(epv,pvaClient));
-             << " pvRequest " << pvRequest
+    return epv;
-             << endl;
-    }
-    PvaClientGetPtr clientGet(new PvaClientGet(pvaClient,pvaClientChannel,pvRequest));
-    clientGet->channelGetRequester = ChannelGetRequesterImplPtr(
-        new ChannelGetRequesterImpl(clientGet,pvaClient));
-    return clientGet;
 }
 
+
 PvaClientGet::PvaClientGet(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 : pvaClient(pvaClient),
-  pvaClientChannel(pvaClientChannel),
+  channel(channel),
   pvRequest(pvRequest),
   connectState(connectIdle),
   getState(getIdle)
 {
      if(PvaClient::getDebug()) {
         cout << "PvaClientGet::PvaClientGet::PvaClientGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channel->getChannelName()
            << endl;
     }
 }
@@ -108,52 +103,20 @@ PvaClientGet::PvaClientGet(
 PvaClientGet::~PvaClientGet()
 {
     if(PvaClient::getDebug()) {
-        cout<< "PvaClientGet::~PvaClientGet"
+        string channelName("disconnected");
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
+         cout<< "PvaClientGet::~PvaClientGet"
+           << " channelName " << channelName
            << endl;
     }
-}
+    if(channelGet) channelGet->destroy();
-
-void PvaClientGet::channelStateChange(PvaClientChannelPtr const & pvaClientChannel, bool isConnected)
-{
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientGet::channelStateChange"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << " isConnected " << (isConnected ? "true" : "false")
-               << endl;
-    }
-    if(isConnected&&!channelGet)
-    {
-        connectState = connectActive;
-        channelGet = pvaClientChannel->getChannel()->createChannelGet(channelGetRequester,pvRequest);
-    }
-    PvaClientChannelStateChangeRequesterPtr req(pvaClientChannelStateChangeRequester.lock());
-    if(req) {
-          req->channelStateChange(pvaClientChannel,isConnected);
-    }
 }
 
 void PvaClientGet::checkGetState()
 {
-    if(PvaClient::getDebug()) {
+    if(connectState==connectIdle) connect();
-        cout << "PvaClientGet::checkGetState"
+    if(getState==getIdle) get();
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    if(!pvaClientChannel->getChannel()->isConnected()) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " PvaClientGet::checkGetState channel not connected ";
-        throw std::runtime_error(message);
-    }
-    if(connectState==connectIdle) {
-        connect();
-    }
-    if(connectState==connectActive){
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " "
-            + channelGetConnectStatus.getMessage();
-        throw std::runtime_error(message);
-    }
 }
 
 // from ChannelGetRequester
@@ -177,32 +140,24 @@ void PvaClientGet::channelGetConnect(
     StructureConstPtr const & structure)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientGet::channelGetConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     {
         Lock xx(mutex);
+        channelGetConnectStatus = status;
+        connectState = connected;
         this->channelGet = channelGet;
         if(status.isOK()) {
-            channelGetConnectStatus = status;
-            connectState = connected;
             pvaClientData = PvaClientGetData::create(structure);
             pvaClientData->setMessagePrefix(channelGet->getChannel()->getChannelName());
-        } else {
-             stringstream ss;
-             ss << pvRequest;
-             string message = string("\nPvaClientGet::channelGetConnect)")
-               + "\npvRequest\n" + ss.str()
-               + "\nerror\n" + status.getMessage();
-             channelGetConnectStatus = Status(Status::STATUSTYPE_ERROR,message);
         }
     }
-    PvaClientGetRequesterPtr  req(pvaClientGetRequester.lock());
-    if(req) {
-          req->channelGetConnect(status,shared_from_this());
-    }
     waitForConnect.signal();
     
 }
@@ -214,65 +169,57 @@ void PvaClientGet::getDone(
     BitSetPtr const & bitSet)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientGet::getDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     {
         Lock xx(mutex);
         channelGetStatus = status;
-        getState = getComplete;
         if(status.isOK()) {
             pvaClientData->setData(pvStructure,bitSet);
         }
     }
-    PvaClientGetRequesterPtr  req(pvaClientGetRequester.lock());
-    if(req) {
-          req->getDone(status,shared_from_this());
-    }
     waitForGet.signal();
 }
 
 void PvaClientGet::connect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::connect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueConnect();
     Status status = waitConnect();
     if(status.isOK()) return;
-    string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
+    string message = string("channel ") + channelName 
          + " PvaClientGet::connect " + status.getMessage();
     throw std::runtime_error(message);
 }
 
 void PvaClientGet::issueConnect()
 {
-    if(PvaClient::getDebug()) {
+    Channel::shared_pointer chan(channel.lock());
-        cout << "PvaClientGet::issueConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState!=connectIdle) {
-        string message = string("channel ")  + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " pvaClientGet already connected ";
         throw std::runtime_error(message);
     }
-    connectState = connectActive;
+    if(chan) {
-    channelGetConnectStatus = Status(Status::STATUSTYPE_ERROR, "connect active");
+        connectState = connectActive;
-    channelGet = pvaClientChannel->getChannel()->createChannelGet(channelGetRequester,pvRequest);
+        channelGet = chan->createChannelGet(channelGetRequester,pvRequest);
+        return;
+    }
+    throw std::runtime_error("PvaClientGet::issueConnect channel was destroyed");
 }
 
 Status PvaClientGet::waitConnect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::waitConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     {
         Lock xx(mutex);
         if(connectState==connected) {
@@ -280,7 +227,10 @@ Status PvaClientGet::waitConnect()
              return channelGetConnectStatus;
         }
         if(connectState!=connectActive) {
-            string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+            Channel::shared_pointer chan(channel.lock());
+            string channelName("disconnected");
+            if(chan) channelName = chan->getChannelName();
+            string message = string("channel ") + channelName
                 + " PvaClientGet::waitConnect illegal connect state ";
             throw std::runtime_error(message);
         }
@@ -292,29 +242,25 @@ Status PvaClientGet::waitConnect()
 
 void PvaClientGet::get()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::get"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueGet();
     Status status = waitGet();
     if(status.isOK()) return;
-    string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
+    string message = string("channel ") + channelName
             + " PvaClientGet::get " + status.getMessage();
     throw std::runtime_error(message);
 }
 
 void PvaClientGet::issueGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::issueGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(getState==getActive) {
+    if(getState!=getIdle) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientGet::issueGet get aleady active ";
         throw std::runtime_error(message);
     }
@@ -324,54 +270,30 @@ void PvaClientGet::issueGet()
 
 Status PvaClientGet::waitGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::waitGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     {
         Lock xx(mutex);
         if(getState==getComplete) {
-            getState = getIdle;
+            getState =getIdle;
             return channelGetStatus;
         }
         if(getState!=getActive){
-            string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+            Channel::shared_pointer chan(channel.lock());
+            string channelName("disconnected");
+            if(chan) channelName = chan->getChannelName();
+            string message = string("channel ") + channelName 
                 + " PvaClientGet::waitGet llegal get state";
             throw std::runtime_error(message);
         }
     }
     waitForGet.wait();
-    getState = getComplete;
+    getState = getIdle;
     return channelGetStatus;
 }
 PvaClientGetDataPtr PvaClientGet::getData()
 {
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientGet::getData"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << endl;
-    }
     checkGetState();
-    if(getState==getIdle) get();
     return pvaClientData;
 }
 
-void PvaClientGet::setRequester(PvaClientGetRequesterPtr const & pvaClientGetRequester)
-{
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGet::setRequester"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    this->pvaClientGetRequester = pvaClientGetRequester;
-}
-
-PvaClientChannelPtr PvaClientGet::getPvaClientChannel()
-{
-    return pvaClientChannel;
-}
-
-
 
 }}

src/pvaClientGetData.cpp

@@ -42,29 +42,18 @@ static string noTimeStamp("no timeStamp");
 
 PvaClientGetDataPtr PvaClientGetData::create(StructureConstPtr const & structure)
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGetData::create"
-           << endl;
-    }
     PvaClientGetDataPtr epv(new PvaClientGetData(structure));
     return epv;
 }
 
 PvaClientGetData::PvaClientGetData(StructureConstPtr const & structure)
-: structure(structure),
+: structure(structure)
-  pvStructure(getPVDataCreate()->createPVStructure(structure)),
-  bitSet(BitSetPtr(new BitSet(pvStructure->getNumberFields())))
 {
     messagePrefix = "";
-    pvValue = pvStructure->getSubField("value");
 }
 
 void PvaClientGetData::checkValue()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGetData::checkValue"
-           << endl;
-    }
     if(pvValue) return;
     throw std::runtime_error(messagePrefix + noValue);
 }
@@ -111,10 +100,6 @@ void PvaClientGetData::setData(
     PVStructurePtr const & pvStructureFrom,
     BitSetPtr const & bitSetFrom)
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientGetData::setData"
-           << endl;
-    }
    pvStructure = pvStructureFrom;
    bitSet = bitSetFrom;
    pvValue = pvStructure->getSubField("value");

src/pvaClientMonitor.cpp

@@ -80,56 +80,21 @@ public:
 
 PvaClientMonitorPtr PvaClientMonitor::create(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 {
-   if(PvaClient::getDebug()) {
+    PvaClientMonitorPtr epv(new PvaClientMonitor(pvaClient,channel,pvRequest));
-         cout<< "PvaClientMonitor::create(pvaClient,pvaClientChannel,pvRequest)\n"
+    epv->monitorRequester = MonitorRequesterImplPtr(
-             << " channelName " << pvaClientChannel->getChannel()->getChannelName() 
+        new MonitorRequesterImpl(epv,pvaClient));
-             << endl;
+    return epv;
-    }
-    PvaClientMonitorPtr clientMonitor(new PvaClientMonitor(pvaClient,pvaClientChannel,pvRequest));
-    clientMonitor->monitorRequester = MonitorRequesterImplPtr(
-        new MonitorRequesterImpl(clientMonitor,pvaClient));
-    return clientMonitor;
 }
 
-PvaClientMonitorPtr PvaClientMonitor::create(
-        PvaClientPtr const &pvaClient,
-        std::string const & channelName,
-        std::string const & providerName,
-        std::string const & request,
-        PvaClientChannelStateChangeRequesterPtr const & stateChangeRequester,
-        PvaClientMonitorRequesterPtr const & monitorRequester)
-{
-    if(PvaClient::getDebug()) {
-         cout<< "PvaClientMonitor::create(pvaClient,channelName,providerName,request,stateChangeRequester,monitorRequester)\n"
-             << " channelName " <<  channelName
-             << " providerName " <<  providerName
-             << " request " << request
-             << endl;
-    }
-    CreateRequest::shared_pointer createRequest(CreateRequest::create());
-    PVStructurePtr pvRequest(createRequest->createRequest(request));
-    if(!pvRequest) throw std::runtime_error(createRequest->getMessage());
-    PvaClientChannelPtr pvaClientChannel = pvaClient->createChannel(channelName,providerName);
-    PvaClientMonitorPtr clientMonitor(new PvaClientMonitor(pvaClient,pvaClientChannel,pvRequest));
-    clientMonitor->monitorRequester = MonitorRequesterImplPtr(
-        new MonitorRequesterImpl(clientMonitor,pvaClient));
-    if(stateChangeRequester) clientMonitor->pvaClientChannelStateChangeRequester = stateChangeRequester;
-    if(monitorRequester) clientMonitor->pvaClientMonitorRequester = monitorRequester;
-    pvaClientChannel->setStateChangeRequester(clientMonitor);
-    pvaClientChannel->issueConnect();
-    return clientMonitor;
-}
-
-
 PvaClientMonitor::PvaClientMonitor(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 : pvaClient(pvaClient),
-  pvaClientChannel(pvaClientChannel),
+  channel(channel),
   pvRequest(pvRequest),
   isStarted(false),
   connectState(connectIdle),
@@ -137,66 +102,42 @@ PvaClientMonitor::PvaClientMonitor(
   userWait(false)
 {
     if(PvaClient::getDebug()) {
-         cout<< "PvaClientMonitor::PvaClientMonitor()" << endl;
+         cout<< "PvaClientMonitor::PvaClientMonitor()"
+             << " channelName " << channel->getChannelName() 
+             << endl;
     }
 }
 
 PvaClientMonitor::~PvaClientMonitor()
 {
+    if(PvaClient::getDebug()) cout<< "PvaClientMonitor::~PvaClientMonitor\n";
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout<< "PvaClientMonitor::~PvaClientMonitor"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     if(monitor) {
        if(isStarted) monitor->stop();
+       monitor->destroy();
     }
 }
 
-void PvaClientMonitor::channelStateChange(PvaClientChannelPtr const & channel, bool isConnected)
-{
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientMonitor::channelStateChange"
-               << " channelName " << channel->getChannelName()
-               << " isConnected " << (isConnected ? "true" : "false")
-               << endl;
-    }
-    if(isConnected&&!monitor)
-    {
-        connectState = connectActive;
-        monitor = pvaClientChannel->getChannel()->createMonitor(monitorRequester,pvRequest);
-    }
-    PvaClientChannelStateChangeRequesterPtr req(pvaClientChannelStateChangeRequester.lock());
-    if(req) {
-          req->channelStateChange(channel,isConnected);
-    }
-}
-
-void PvaClientMonitor::event(PvaClientMonitorPtr const & monitor)
-{
-    PvaClientMonitorRequesterPtr req(pvaClientMonitorRequester.lock());
-    if(req) req->event(monitor);
-}
-
 void PvaClientMonitor::checkMonitorState()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::checkMonitorState"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " connectState " << connectState
            << endl;
     }
-    if(connectState==connectIdle) {
+    if(connectState==connectIdle) connect();
-         connect();
+    if(connectState==connected && !isStarted) start();
-         if(!isStarted) start();
-         return;
-    }
-    if(connectState==connectActive){
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " "
-            + monitorConnectStatus.getMessage();
-        throw std::runtime_error(message);
-    }
 }
 
 string PvaClientMonitor::getRequesterName()
@@ -218,63 +159,50 @@ void PvaClientMonitor::monitorConnect(
     Monitor::shared_pointer const & monitor,
     StructureConstPtr const & structure)
 {
+    Channel::shared_pointer chan(channel.lock());
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::monitorConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
-    {
+    connectStatus = status;
-        Lock xx(mutex);
-        this->monitor = monitor;
-        if(!status.isOK()) {
-             stringstream ss;
-             ss << pvRequest;
-             string message = string("\nPvaClientMonitor::monitorConnect)")
-               + "\npvRequest\n" + ss.str()
-               + "\nerror\n" + status.getMessage();
-             monitorConnectStatus = Status(Status::STATUSTYPE_ERROR,message);
-             return;
-        }
-    }
-    bool signal = (connectState==connectWait) ? true : false;
-    monitorConnectStatus = status;
     connectState = connected;
+    this->monitor = monitor;
     if(isStarted) {
         if(PvaClient::getDebug()) {
+            string channelName("disconnected");
+            Channel::shared_pointer chan(channel.lock());
+            if(chan) channelName = chan->getChannelName();
             cout << "PvaClientMonitor::monitorConnect"
-               << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+               << " channelName " << channelName
                << " is already started "
                << endl;
         }
         return;
     }
-    pvaClientData = PvaClientMonitorData::create(structure);
+    if(status.isOK() && chan) {
-    pvaClientData->setMessagePrefix(pvaClientChannel->getChannel()->getChannelName());
+        pvaClientData = PvaClientMonitorData::create(structure);
-    if(signal) {
+        pvaClientData->setMessagePrefix(chan->getChannelName());
-        if(PvaClient::getDebug()) {
-             cout << "PvaClientMonitor::monitorConnect calling waitForConnect.signal\n";
-        }
-        waitForConnect.signal();
-        if(PvaClient::getDebug()) {
-             cout << "PvaClientMonitor::monitorConnect calling start\n";
-        }
-        start();
-    } else {
-        if(PvaClient::getDebug()) {
-             cout << "PvaClientMonitor::monitorConnect calling start\n";
-        }
-        start();
     }
-    PvaClientMonitorRequesterPtr req(pvaClientMonitorRequester.lock());
+    if(PvaClient::getDebug()) {
-    if(req) req->monitorConnect(status,shared_from_this(),structure);
+         cout << "PvaClientMonitor::monitorConnect calling waitForConnect.signal\n";
+    }
+    waitForConnect.signal();
+    
 }
 
 void PvaClientMonitor::monitorEvent(MonitorPtr const & monitor)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::monitorEvent"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }    
     PvaClientMonitorRequesterPtr req = pvaClientMonitorRequester.lock();
@@ -290,7 +218,10 @@ void PvaClientMonitor::unlisten(MonitorPtr const & monitor)
         req->unlisten();
         return;
     }
-    cerr << pvaClientChannel->getChannel()->getChannelName() + "pvaClientMonitor::unlisten called but no PvaClientMonitorRequester\n";
+    string channelName("disconnected");
+    Channel::shared_pointer chan(channel.lock());
+    if(chan) channelName = chan->getChannelName();
+    cerr << channelName + "pvaClientMonitor::unlisten called but no PvaClientMonitorRequester\n";
 }
 
 
@@ -300,8 +231,11 @@ void PvaClientMonitor::connect()
     issueConnect();
     Status status = waitConnect();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientMonitor::connect "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -310,50 +244,59 @@ void PvaClientMonitor::connect()
 void PvaClientMonitor::issueConnect()
 {
     if(PvaClient::getDebug()) cout << "PvaClientMonitor::issueConnect\n";
+    Channel::shared_pointer chan(channel.lock());
     if(connectState!=connectIdle) {
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
         string message = string("channel ")
-            + pvaClientChannel->getChannel()->getChannelName()
+            + channelName 
             + " pvaClientMonitor already connected ";
         throw std::runtime_error(message);
     }
-    connectState = connectWait;
+    if(chan) {
-    monitor = pvaClientChannel->getChannel()->createMonitor(monitorRequester,pvRequest);
+        connectState = connectActive;
+        monitor = chan->createMonitor(monitorRequester,pvRequest);
+        return;
+    }
+    throw std::runtime_error("PvaClientMonitor::issueConnect() but channel disconnected");
 }
 
 Status PvaClientMonitor::waitConnect()
 {
-    if(PvaClient::getDebug()) {
+    if(PvaClient::getDebug()) cout << "PvaClientMonitor::waitConnect\n";
-       cout << "PvaClientMonitor::waitConnect "
+    if(connectState==connected) {
-         << pvaClientChannel->getChannel()->getChannelName()
+         if(!connectStatus.isOK()) connectState = connectIdle;
-         << endl;
+         return connectStatus;
     }
-    {
+    if(connectState!=connectActive) {
-        Lock xx(mutex);
+        Channel::shared_pointer chan(channel.lock());
-        if(connectState==connected) {
+        string channelName("disconnected");
-             if(!monitorConnectStatus.isOK()) connectState = connectIdle;
+        if(chan) channelName = chan->getChannelName();
-             return monitorConnectStatus;
+        string message = string("channel ")
-        }
+            + channelName
-        if(connectState!=connectWait) {
+            + " PvaClientMonitor::waitConnect illegal connect state ";
-            string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        throw std::runtime_error(message);
-                + " PvaClientMonitor::waitConnect illegal connect state ";
+    }
-            throw std::runtime_error(message);
+    if(PvaClient::getDebug()) {
-        }
+        cout << "PvaClientMonitor::waitConnect calling waitForConnect.wait\n";
     }
     waitForConnect.wait();
-    connectState = monitorConnectStatus.isOK() ? connected : connectIdle;
+    connectState = connectStatus.isOK() ? connected : connectIdle;
     if(PvaClient::getDebug()) {
         cout << "PvaClientMonitor::waitConnect"
-             << " monitorConnectStatus " << (monitorConnectStatus.isOK() ? "connected" : "not connected")
+             << " connectStatus " << (connectStatus.isOK() ? "connected" : "not connected");
-             << endl;
     }
-    return monitorConnectStatus;
+    return connectStatus;
 }
 
 void PvaClientMonitor::setRequester(PvaClientMonitorRequesterPtr const & pvaClientMonitorRequester)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::setRequester"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     this->pvaClientMonitorRequester = pvaClientMonitorRequester;
@@ -362,17 +305,30 @@ void PvaClientMonitor::setRequester(PvaClientMonitorRequesterPtr const & pvaClie
 void PvaClientMonitor::start()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::start"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " connectState " << connectState
            << endl;
     }
     if(isStarted) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
+        cerr << "PvaClientMonitor::start"
+           << " channelName " << channelName
+           << " why is this called twice "
+           << endl;
         return;
     }
     if(connectState==connectIdle) connect();
     if(connectState!=connected) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::start illegal state ";
         throw std::runtime_error(message);
     }
@@ -380,45 +336,15 @@ void PvaClientMonitor::start()
     monitor->start();
 }
 
-void PvaClientMonitor::start(string const & request)
-{
-    if(PvaClient::getDebug()) {
-        cout<< "PvaMonitor::start(request)"
-            << " request " << request
-            << endl;
-    }
-    PvaClientPtr client(pvaClient.lock());
-    if(!client) throw std::runtime_error("pvaClient was deleted");
-    if(!pvaClientChannel->getChannel()->isConnected()) {
-        client->message(
-             "PvaClientMonitor::start(request) but not connected",
-             errorMessage);
-        return;
-    }
-    CreateRequest::shared_pointer createRequest(CreateRequest::create());
-    PVStructurePtr pvr(createRequest->createRequest(request));
-    if(!pvr) throw std::runtime_error(createRequest->getMessage());
-    if(monitor) {
-       if(isStarted) monitor->stop();
-    }
-    monitorRequester.reset();
-    monitor.reset();
-    isStarted = false;
-    connectState = connectIdle;
-    userPoll = false;
-    userWait = false;
-    monitorRequester = MonitorRequesterImplPtr(
-        new MonitorRequesterImpl(shared_from_this(),client));
-    pvRequest = pvr;
-    connect();
-}
-
 
 void PvaClientMonitor::stop()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::stop"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     if(!isStarted) return;
@@ -429,18 +355,27 @@ void PvaClientMonitor::stop()
 bool PvaClientMonitor::poll()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::poll"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     checkMonitorState();
     if(!isStarted) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::poll illegal state ";
          throw std::runtime_error(message);
     }
     if(userPoll) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+                string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::poll did not release last";
         throw std::runtime_error(message);
     }
@@ -454,12 +389,18 @@ bool PvaClientMonitor::poll()
 bool PvaClientMonitor::waitEvent(double secondsToWait)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::waitEvent"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     if(!isStarted) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::waitEvent illegal state ";
         throw std::runtime_error(message);
     }
@@ -477,17 +418,26 @@ bool PvaClientMonitor::waitEvent(double secondsToWait)
 void PvaClientMonitor::releaseEvent()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::releaseEvent"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     if(!isStarted) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::releaseEvent monitor not started ";
         throw std::runtime_error(message);
     }
     if(!userPoll) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientMonitor::releaseEvent did not call poll";
         throw std::runtime_error(message);
     }
@@ -495,16 +445,14 @@ void PvaClientMonitor::releaseEvent()
     monitor->release(monitorElement);
 }
 
-PvaClientChannelPtr PvaClientMonitor::getPvaClientChannel()
-{
-    return pvaClientChannel;
-}
-
 PvaClientMonitorDataPtr PvaClientMonitor::getData()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientMonitor::getData"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
     checkMonitorState();

src/pvaClientNTMultiData.cpp

@@ -145,7 +145,7 @@ void PvaClientNTMultiData::endDeltaTime()
         PVStructurePtr pvst = topPVStructure[i];
         if(!pvst) {
             unionValue[i] = PVUnionPtr();
-        } else if(unionValue[i]) {
+        } else {
             unionValue[i]->set(pvst->getSubField("value"));
             if(gotAlarm)
             {

src/pvaClientProcess.cpp

@@ -70,92 +70,35 @@ public:
 
 PvaClientProcessPtr PvaClientProcess::create(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 {
-    if(PvaClient::getDebug()) {
+    PvaClientProcessPtr epv(new PvaClientProcess(pvaClient,channel,pvRequest));
-         cout<< "PvaClientProcess::create(pvaClient,channelName,pvRequest)\n"
+    epv->channelProcessRequester = ChannelProcessRequesterImplPtr(
-             << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+        new ChannelProcessRequesterImpl(epv,pvaClient));
-             << " pvRequest " << pvRequest
+    return epv;
-             << endl;
-    }
-    PvaClientProcessPtr channelProcess(new PvaClientProcess(pvaClient,pvaClientChannel,pvRequest));
-    channelProcess->channelProcessRequester = ChannelProcessRequesterImplPtr(
-        new ChannelProcessRequesterImpl(channelProcess,pvaClient));
-    return channelProcess;
 }
 
 
 PvaClientProcess::PvaClientProcess(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 : pvaClient(pvaClient),
-  pvaClientChannel(pvaClientChannel),
+  channel(channel),
   pvRequest(pvRequest),
   connectState(connectIdle),
   processState(processIdle)
 {
-    if(PvaClient::getDebug()) {
+    if(PvaClient::getDebug()) cout<< "PvaClientProcess::PvaClientProcess()\n";
-        cout<< "PvaClientProcess::PvaClientProcess()"
-            << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-            << endl;
-    }
 }
 
 PvaClientProcess::~PvaClientProcess()
 {
-    if(PvaClient::getDebug()) {
+    if(PvaClient::getDebug()) cout<< "PvaClientProcess::~PvaClientProcess()\n";
-        cout<< "PvaClientProcess::~PvaClientProcess()"
+    channelProcess->destroy();
-            << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-            << endl;
-    }
 }
 
-void PvaClientProcess::channelStateChange(PvaClientChannelPtr const & pvaClientChannel, bool isConnected)
-{
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientProcess::channelStateChange"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << " isConnected " << (isConnected ? "true" : "false")
-               << endl;
-    }
-    if(isConnected)
-    {
-        connectState = connectActive;
-        channelProcess = pvaClientChannel->getChannel()->createChannelProcess(channelProcessRequester,pvRequest);
-    }
-    PvaClientChannelStateChangeRequesterPtr req(pvaClientChannelStateChangeRequester.lock());
-    if(req) {
-          req->channelStateChange(pvaClientChannel,isConnected);
-    }
-}
-
-void PvaClientProcess::checkProcessState()
-{
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::checkProcessState"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    if(!pvaClientChannel->getChannel()->isConnected()) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " PvaClientProcess::checkProcessState channel not connected ";
-        throw std::runtime_error(message);
-    }
-    if(connectState==connectIdle) {
-        connect();
-    }
-    if(connectState==connectActive){
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " "
-            + channelProcessConnectStatus.getMessage();
-        throw std::runtime_error(message);
-    }
-    if(processState==processIdle) process();
-}
-
-
 // from ChannelProcessRequester
 string PvaClientProcess::getRequesterName()
 {
@@ -175,31 +118,9 @@ void PvaClientProcess::channelProcessConnect(
     const Status& status,
     ChannelProcess::shared_pointer const & channelProcess)
 {
-    if(PvaClient::getDebug()) {
+    channelProcessConnectStatus = status;
-        cout << "PvaClientProcess::channelProcessConnect"
+    connectState = connected;
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+    this->channelProcess = channelProcess;
-           << " status.isOK " << (status.isOK() ? "true" : "false")
-           << endl;
-    }
-    {
-        Lock xx(mutex);
-        this->channelProcess = channelProcess;
-        if(status.isOK()) {
-            channelProcessConnectStatus = status;
-            connectState = connected;
-        } else {
-             stringstream ss;
-             ss << pvRequest;
-             string message = string("PvaClientProcess::channelProcessConnect")
-               + "\npvRequest\n" + ss.str()
-               + "\nerror\n" + status.getMessage();
-             channelProcessConnectStatus = Status(Status::STATUSTYPE_ERROR,message);
-        }
-    }
-    PvaClientProcessRequesterPtr  req(pvaClientProcessRequester.lock());
-    if(req) {
-          req->channelProcessConnect(status,shared_from_this());
-    }
     waitForConnect.signal();
     
 }
@@ -208,69 +129,40 @@ void PvaClientProcess::processDone(
     const Status& status,
     ChannelProcess::shared_pointer const & channelProcess)
 {
-    if(PvaClient::getDebug()) {
+    channelProcessStatus = status;
-        cout << "PvaClientProcess::processDone"
+    processState = processComplete;
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << " status.isOK " << (status.isOK() ? "true" : "false")
-           << endl;
-    }
-    {
-        Lock xx(mutex);
-        channelProcessStatus = status;
-        processState = processComplete;
-    }
-    
-    PvaClientProcessRequesterPtr  req(pvaClientProcessRequester.lock());
-    if(req) {
-          req->processDone(status,shared_from_this());
-    }
     waitForProcess.signal();
 }
 
 void PvaClientProcess::connect()
 {
-     if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::connect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueConnect();
     Status status = waitConnect();
     if(status.isOK()) return;
-    string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+    string message = string("channel ") + channel->getChannelName()
         + " PvaClientProcess::connect " + status.getMessage();
     throw std::runtime_error(message);
 }
 
 void PvaClientProcess::issueConnect()
 {
-     if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::issueConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState!=connectIdle) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        string message = string("channel ") + channel->getChannelName()
             + " pvaClientProcess already connected ";
         throw std::runtime_error(message);
     }
     connectState = connectActive;
-    channelProcess = pvaClientChannel->getChannel()->createChannelProcess(channelProcessRequester,pvRequest);
+    channelProcess = channel->createChannelProcess(channelProcessRequester,pvRequest);
 }
 
 Status PvaClientProcess::waitConnect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::waitConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connected) {
          if(!channelProcessConnectStatus.isOK()) connectState = connectIdle;
          return channelProcessConnectStatus;
     }
     if(connectState!=connectActive) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        string message = string("channel ") + channel->getChannelName()
             + " pvaClientProcess illegal connect state ";
         throw std::runtime_error(message);
     }
@@ -281,29 +173,19 @@ Status PvaClientProcess::waitConnect()
 
 void PvaClientProcess::process()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::process"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueProcess();
     Status status = waitProcess();
     if(status.isOK()) return;
-    string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+    string message = string("channel ") + channel->getChannelName()
         + " PvaClientProcess::process" + status.getMessage();
     throw std::runtime_error(message);
 }
 
 void PvaClientProcess::issueProcess()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::issueProcess"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
     if(processState!=processIdle) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        string message = string("channel ") + channel->getChannelName()
             + " PvaClientProcess::issueProcess process aleady active ";
         throw std::runtime_error(message);
     }
@@ -313,42 +195,18 @@ void PvaClientProcess::issueProcess()
 
 Status PvaClientProcess::waitProcess()
 {
-    if(PvaClient::getDebug()) {
+    if(processState==processComplete) {
-        cout << "PvaClientProcess::waitProcess"
+        processState = processIdle;
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+        return channelProcessStatus;
-           << endl;
     }
-    {
+    if(processState!=processActive){
-        Lock xx(mutex);
+        string message = string("channel ") + channel->getChannelName()
-        if(processState==processComplete) {
+            + " PvaClientProcess::waitProcess llegal process state";
-            processState = processIdle;
+        throw std::runtime_error(message);
-            return channelProcessStatus;
-        }
-        if(processState!=processActive){
-            string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-                 + " PvaClientProcess::waitProcess llegal process state";
-            throw std::runtime_error(message);
-        }
     }
     waitForProcess.wait();
-    processState = processComplete;
+    processState = processIdle;
     return channelProcessStatus;
 }
 
-void PvaClientProcess::setRequester(PvaClientProcessRequesterPtr const & pvaClientProcessRequester)
-{
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientProcess::setRequester"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    this->pvaClientProcessRequester = pvaClientProcessRequester;
-}
-
-PvaClientChannelPtr PvaClientProcess::getPvaClientChannel()
-{
-    return pvaClientChannel;
-}
-
-
 }}

src/pvaClientPut.cpp

@@ -70,7 +70,7 @@ public:
         clientPut->getDone(status,channelPut,pvStructure,bitSet);
     }
 
-    virtual void putDone(
+        virtual void putDone(
         const Status& status,
         ChannelPut::shared_pointer const & channelPut)
     {
@@ -82,29 +82,30 @@ public:
 
 PvaClientPutPtr PvaClientPut::create(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 {
-    PvaClientPutPtr clientPut(new PvaClientPut(pvaClient,pvaClientChannel,pvRequest));
+    PvaClientPutPtr epv(new PvaClientPut(pvaClient,channel,pvRequest));
-    clientPut->channelPutRequester = ChannelPutRequesterImplPtr(
+    epv->channelPutRequester = ChannelPutRequesterImplPtr(
-        new ChannelPutRequesterImpl(clientPut,pvaClient));
+        new ChannelPutRequesterImpl(epv,pvaClient));
-    return clientPut;
+    return epv;
 }
 
 
+
 PvaClientPut::PvaClientPut(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 : pvaClient(pvaClient),
-  pvaClientChannel(pvaClientChannel),
+  channel(channel),
   pvRequest(pvRequest),
   connectState(connectIdle),
   putState(putIdle)
 {
     if(PvaClient::getDebug()) {
          cout<< "PvaClientPut::PvaClientPut"
-             << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+             << " channelName " << channel->getChannelName() 
              << endl;
     }
 }
@@ -112,46 +113,21 @@ PvaClientPut::PvaClientPut(
 PvaClientPut::~PvaClientPut()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout<< "PvaClientPut::~PvaClientPut"
-           << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
-}
+    if(channelPut) channelPut->destroy();
-
-void PvaClientPut::channelStateChange(PvaClientChannelPtr const & pvaClientChannel, bool isConnected)
-{
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientPut::channelStateChange"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << " isConnected " << (isConnected ? "true" : "false")
-               << endl;
-    }
-    if(isConnected&&!channelPut)
-    {
-        connectState = connectActive;
-        channelPut = pvaClientChannel->getChannel()->createChannelPut(channelPutRequester,pvRequest);
-    }
-    PvaClientChannelStateChangeRequesterPtr req(pvaClientChannelStateChangeRequester.lock());
-    if(req) {
-          req->channelStateChange(pvaClientChannel,isConnected);
-    }
 }
 
 void PvaClientPut::checkPutState()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::checkPutState"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle){
           connect();
-    }
+          get();
-    if(connectState==connectActive){
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " "
-            + channelPutConnectStatus.getMessage();
-        throw std::runtime_error(message);
     }
 }
 
@@ -175,32 +151,23 @@ void PvaClientPut::channelPutConnect(
     StructureConstPtr const & structure)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPut::channelPutConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     {
         Lock xx(mutex);
+        channelPutConnectStatus = status;
         this->channelPut = channelPut;
         if(status.isOK()) {
-            channelPutConnectStatus = status;
-            connectState = connected;
             pvaClientData = PvaClientPutData::create(structure);
             pvaClientData->setMessagePrefix(channelPut->getChannel()->getChannelName());
-        } else {
-             stringstream ss;
-             ss << pvRequest;
-             string message = string("\nPvaClientPut::channelPutConnect)")
-               + "\npvRequest\n" + ss.str()
-               + "\nerror\n" + status.getMessage();
-             channelPutConnectStatus = Status(Status::STATUSTYPE_ERROR,message);
         }
     }
-    PvaClientPutRequesterPtr  req(pvaClientPutRequester.lock());
-    if(req) {
-          req->channelPutConnect(status,shared_from_this());
-    }
     waitForConnect.signal();
     
 }
@@ -212,8 +179,11 @@ void PvaClientPut::getDone(
     BitSetPtr const & bitSet)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPut::getDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
@@ -225,10 +195,6 @@ void PvaClientPut::getDone(
         bs->clear();
         *bs |= *bitSet;
     }
-    PvaClientPutRequesterPtr  req(pvaClientPutRequester.lock());
-    if(req) {
-          req->getDone(status,shared_from_this());
-    }
     waitForGetPut.signal();
 }
 
@@ -237,31 +203,28 @@ void PvaClientPut::putDone(
     ChannelPut::shared_pointer const & channelPut)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPut::putDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     channelGetPutStatus = status;
-    PvaClientPutRequesterPtr  req(pvaClientPutRequester.lock());
-    if(req) {
-          req->putDone(status,shared_from_this());
-    }
     waitForGetPut.signal();
 }
 
 void PvaClientPut::connect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::connect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueConnect();
     Status status = waitConnect();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::connect "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -269,29 +232,24 @@ void PvaClientPut::connect()
 
 void PvaClientPut::issueConnect()
 {
-    if(PvaClient::getDebug()) {
+    Channel::shared_pointer chan(channel.lock());
-        cout << "PvaClientPut::issueConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState!=connectIdle) {
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " pvaClientPut already connected ";
         throw std::runtime_error(message);
     }
-    connectState = connectActive;
+    if(chan) {
-    channelPutConnectStatus = Status(Status::STATUSTYPE_ERROR, "connect active");
+        connectState = connectActive;
-    channelPut = pvaClientChannel->getChannel()->createChannelPut(channelPutRequester,pvRequest);
+        channelPut = chan->createChannelPut(channelPutRequester,pvRequest);
-       
+        return;
+    }
+    throw std::runtime_error("PvaClientPut::issueConnect() but channel disconnected");
 }
 
 Status PvaClientPut::waitConnect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::waitConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     {
         Lock xx(mutex);
         if(connectState==connected) {
@@ -299,7 +257,10 @@ Status PvaClientPut::waitConnect()
              return channelPutConnectStatus;
         }
         if(connectState!=connectActive) {
-            string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
+            Channel::shared_pointer chan(channel.lock());
+            string channelName("disconnected");
+            if(chan) channelName = chan->getChannelName();
+            string message = string("channel ") + channelName
                 + " PvaClientPut::waitConnect illegal connect state ";
             throw std::runtime_error(message);
         }
@@ -311,16 +272,14 @@ Status PvaClientPut::waitConnect()
 
 void PvaClientPut::get()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::get"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueGet();
     Status status = waitGet();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        +  pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::get "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -328,15 +287,13 @@ void PvaClientPut::get()
 
 void PvaClientPut::issueGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::issueGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(putState==getActive || putState==putActive) {
+    if(putState!=putIdle) {
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
         string message = string("channel ")
-            + pvaClientChannel->getChannel()->getChannelName()
+            + channelName
             +  "PvaClientPut::issueGet get or put aleady active ";
         throw std::runtime_error(message);
     }
@@ -346,34 +303,30 @@ void PvaClientPut::issueGet()
 
 Status PvaClientPut::waitGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::waitGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(putState!=getActive){
+        Channel::shared_pointer chan(channel.lock());
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
         string message = string("channel ")
-            + pvaClientChannel->getChannel()->getChannelName()
+            + channelName
             +  " PvaClientPut::waitGet illegal put state";
         throw std::runtime_error(message);
     }
     waitForGetPut.wait();
-    putState = putComplete;
+    putState = putIdle;
     return channelGetPutStatus;
 }
 
 void PvaClientPut::put()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::put"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issuePut();
     Status status = waitPut();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ")
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::put "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -381,17 +334,13 @@ void PvaClientPut::put()
 
 void PvaClientPut::issuePut()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::issuePut"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << " pvStructure\n" << pvaClientData->getPVStructure() 
-           << " bitSet " << *pvaClientData->getChangedBitSet() << endl
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(putState==getActive || putState==putActive) {
+    if(putState!=putIdle) {
+         Channel::shared_pointer chan(channel.lock());
+         string channelName("disconnected");
+         if(chan) channelName = chan->getChannelName();
          string message = string("channel ")
-            + pvaClientChannel->getChannel()->getChannelName()
+            + channelName
             +  "PvaClientPut::issueGet get or put aleady active ";
          throw std::runtime_error(message);
     }
@@ -401,48 +350,26 @@ void PvaClientPut::issuePut()
 
 Status PvaClientPut::waitPut()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::waitPut"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(putState!=putActive){
+         Channel::shared_pointer chan(channel.lock());
+         string channelName("disconnected");
+         if(chan) channelName = chan->getChannelName();
          string message = string("channel ")
-            + pvaClientChannel->getChannel()->getChannelName()
+            + channelName
             +  " PvaClientPut::waitPut illegal put state";
          throw std::runtime_error(message);
     }
     waitForGetPut.wait();
-    putState = putComplete;
+    putState = putIdle;
     if(channelGetPutStatus.isOK()) pvaClientData->getChangedBitSet()->clear();
     return channelGetPutStatus;
 }
 
 PvaClientPutDataPtr PvaClientPut::getData()
 {
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientPut::getData"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << endl;
-    }
     checkPutState();
-    if(putState==putIdle) get();
     return pvaClientData;
 }
 
-void PvaClientPut::setRequester(PvaClientPutRequesterPtr const & pvaClientPutRequester)
-{
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPut::setRequester"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    this->pvaClientPutRequester = pvaClientPutRequester;
-}
-
-PvaClientChannelPtr PvaClientPut::getPvaClientChannel()
-{
-    return pvaClientChannel;
-}
 
 }}

src/pvaClientPutGet.cpp

@@ -96,28 +96,28 @@ public:
 
 PvaClientPutGetPtr PvaClientPutGet::create(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 {
-    PvaClientPutGetPtr clientPutGet(new PvaClientPutGet(pvaClient,pvaClientChannel,pvRequest));
+    PvaClientPutGetPtr epv(new PvaClientPutGet(pvaClient,channel,pvRequest));
-    clientPutGet->channelPutGetRequester = ChannelPutGetRequesterImplPtr(
+    epv->channelPutGetRequester = ChannelPutGetRequesterImplPtr(
-        new ChannelPutGetRequesterImpl(clientPutGet,pvaClient));
+        new ChannelPutGetRequesterImpl(epv,pvaClient));
-    return clientPutGet;
+    return epv;
 }
 
 PvaClientPutGet::PvaClientPutGet(
         PvaClientPtr const &pvaClient,
-        PvaClientChannelPtr const & pvaClientChannel,
+        Channel::shared_pointer const & channel,
         PVStructurePtr const &pvRequest)
 : pvaClient(pvaClient),
-  pvaClientChannel(pvaClientChannel),
+  channel(channel),
   pvRequest(pvRequest),
   connectState(connectIdle),
   putGetState(putGetIdle)
 {
     if(PvaClient::getDebug()) {
          cout<< "PvaClientPutGet::PvaClientPutGet"
-             << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+             << " channelName " << channel->getChannelName() 
              << endl;
     }
 }
@@ -125,46 +125,21 @@ PvaClientPutGet::PvaClientPutGet(
 PvaClientPutGet::~PvaClientPutGet()
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout<< "PvaClientPutGet::~PvaClientPutGet"
-           << " channelName " <<  pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << endl;
     }
-}
+    channelPutGet->destroy();
-
-void PvaClientPutGet::channelStateChange(PvaClientChannelPtr const & pvaClientChannel, bool isConnected)
-{
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientPutGet::channelStateChange"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << " isConnected " << (isConnected ? "true" : "false")
-               << endl;
-    }
-    if(isConnected&&!channelPutGet)
-    {
-        connectState = connectActive;
-        channelPutGet = pvaClientChannel->getChannel()->createChannelPutGet(channelPutGetRequester,pvRequest);
-    }
-    PvaClientChannelStateChangeRequesterPtr req(pvaClientChannelStateChangeRequester.lock());
-    if(req) {
-          req->channelStateChange(pvaClientChannel,isConnected);
-    }
 }
 
 void PvaClientPutGet::checkPutGetState()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::checkPutGetState"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle){
-          connect();
+        connect();
-    }
+        getPut();
-    if(connectState==connectActive){
-        string message = string("channel ") + pvaClientChannel->getChannel()->getChannelName()
-            + " "
-            + channelPutGetConnectStatus.getMessage();
-        throw std::runtime_error(message);
     }
 }
 
@@ -190,33 +165,17 @@ void PvaClientPutGet::channelPutGetConnect(
 {
     if(PvaClient::getDebug()) {
         cout << "PvaClientPutGet::channelPutGetConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelPutGet->getChannel()->getChannelName()
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
-    {
+    channelPutGetConnectStatus = status;
-        Lock xx(mutex);
+    this->channelPutGet = channelPutGet;
-        this->channelPutGet = channelPutGet;
+    if(status.isOK()) {
-        if(status.isOK()) {
+        pvaClientPutData = PvaClientPutData::create(putStructure);
-            channelPutGetConnectStatus = status;
+        pvaClientPutData->setMessagePrefix(channelPutGet->getChannel()->getChannelName());
-            connectState = connected;
+        pvaClientGetData = PvaClientGetData::create(getStructure);
-            pvaClientPutData = PvaClientPutData::create(putStructure);
+        pvaClientGetData->setMessagePrefix(channelPutGet->getChannel()->getChannelName());
-            pvaClientPutData->setMessagePrefix(channelPutGet->getChannel()->getChannelName());
-            pvaClientGetData = PvaClientGetData::create(getStructure);
-            pvaClientGetData->setMessagePrefix(channelPutGet->getChannel()->getChannelName());
-           
-        } else {
-             stringstream ss;
-             ss << pvRequest;
-             string message = string("\nPvaClientPutGet::channelPutGetConnect)")
-               + "\npvRequest\n" + ss.str()
-               + "\nerror\n" + status.getMessage();
-             channelPutGetConnectStatus = Status(Status::STATUSTYPE_ERROR,message);
-        }
-    }
-    PvaClientPutGetRequesterPtr  req(pvaClientPutGetRequester.lock());
-    if(req) {
-          req->channelPutGetConnect(status,shared_from_this());
     }
     waitForConnect.signal();
     
@@ -229,22 +188,17 @@ void PvaClientPutGet::putGetDone(
         BitSetPtr const & getChangedBitSet)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPutGet::putGetDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     channelPutGetStatus = status;
     if(status.isOK()) {
-        PVStructurePtr pvs = pvaClientGetData->getPVStructure();
+        pvaClientGetData->setData(getPVStructure,getChangedBitSet);
-        pvs->copyUnchecked(*getPVStructure,*getChangedBitSet);
-        BitSetPtr bs = pvaClientGetData->getChangedBitSet();
-        bs->clear();
-        *bs |= *getChangedBitSet;
-    }
-    PvaClientPutGetRequesterPtr  req(pvaClientPutGetRequester.lock());
-    if(req) {
-          req->putGetDone(status,shared_from_this());
     }
     waitForPutGet.signal();
 }
@@ -256,8 +210,11 @@ void PvaClientPutGet::getPutDone(
     BitSetPtr const & putBitSet)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPutGet::getPutDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
@@ -269,10 +226,6 @@ void PvaClientPutGet::getPutDone(
         bs->clear();
         *bs |= *putBitSet;
     }
-    PvaClientPutGetRequesterPtr  req(pvaClientPutGetRequester.lock());
-    if(req) {
-          req->getPutDone(status,shared_from_this());
-    }
     waitForPutGet.signal();
 }
 
@@ -283,38 +236,31 @@ void PvaClientPutGet::getGetDone(
         BitSetPtr const & getChangedBitSet)
 {
     if(PvaClient::getDebug()) {
+        string channelName("disconnected");
+        Channel::shared_pointer chan(channel.lock());
+        if(chan) channelName = chan->getChannelName();
         cout << "PvaClientPutGet::getGetDone"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
+           << " channelName " << channelName
            << " status.isOK " << (status.isOK() ? "true" : "false")
            << endl;
     }
     channelPutGetStatus = status;
     if(status.isOK()) {
-        PVStructurePtr pvs = pvaClientGetData->getPVStructure();
+        pvaClientGetData->setData(getPVStructure,getChangedBitSet);
-        pvs->copyUnchecked(*getPVStructure,*getChangedBitSet);
-        BitSetPtr bs = pvaClientGetData->getChangedBitSet();
-        bs->clear();
-        *bs |= *getChangedBitSet;
-    }
-    PvaClientPutGetRequesterPtr  req(pvaClientPutGetRequester.lock());
-    if(req) {
-          req->getGetDone(status,shared_from_this());
     }
     waitForPutGet.signal();
 }
 
 void PvaClientPutGet::connect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::connect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueConnect();
     Status status = waitConnect();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPutGet::connect "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -322,29 +268,24 @@ void PvaClientPutGet::connect()
 
 void PvaClientPutGet::issueConnect()
 {
-    if(PvaClient::getDebug()) {
+    Channel::shared_pointer chan(channel.lock());
-        cout << "PvaClientPutGet::issueConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState!=connectIdle) {
-        string message = string("channel ")
+        string channelName("disconnected");
-            + pvaClientChannel->getChannel()->getChannelName()
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " pvaClientPutGet already connected ";
         throw std::runtime_error(message);
     }
-    connectState = connectActive;
+    if(chan) {
-    channelPutGetConnectStatus = Status(Status::STATUSTYPE_ERROR, "connect active");
+        connectState = connectActive;
-    channelPutGet = pvaClientChannel->getChannel()->createChannelPutGet(channelPutGetRequester,pvRequest);
+        channelPutGet = chan->createChannelPutGet(channelPutGetRequester,pvRequest);
+        return;
+    }
+    throw std::runtime_error("PvaClientPutGet::issueConnect() but channel disconnected");
 }
 
 Status PvaClientPutGet::waitConnect()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::waitConnect"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     {
          Lock xx(mutex);
          if(connectState==connected) {
@@ -352,30 +293,30 @@ Status PvaClientPutGet::waitConnect()
              return channelPutGetConnectStatus;
         }
         if(connectState!=connectActive)  {
-            string message = string("channel ")
+            Channel::shared_pointer chan(channel.lock());
-                + pvaClientChannel->getChannel()->getChannelName()
+            string channelName("disconnected");
+            if(chan) channelName = chan->getChannelName();
+            string message = string("channel ") + channelName
                 + " PvaClientPutGet::waitConnect illegal connect state ";
             throw std::runtime_error(message);
         }
     }
     waitForConnect.wait();
-    if(!channelPutGetConnectStatus.isOK()) connectState = connectIdle;
+    connectState = channelPutGetConnectStatus.isOK() ? connected : connectIdle;
     return channelPutGetConnectStatus;
 }
 
 
 void PvaClientPutGet::putGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::putGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issuePutGet();
     Status status = waitPutGet();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::putGet "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -383,15 +324,12 @@ void PvaClientPutGet::putGet()
 
 void PvaClientPutGet::issuePutGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::issuePutGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(putGetState==putGetActive) {
+    if(putGetState!=putGetIdle) {
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::issuePutGet get or put aleady active ";
         throw std::runtime_error(message);
     }
@@ -402,35 +340,29 @@ void PvaClientPutGet::issuePutGet()
 
 Status PvaClientPutGet::waitPutGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::waitPutGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(putGetState!=putGetActive){
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::waitPutGet get or put aleady active ";
         throw std::runtime_error(message);
     }
     waitForPutGet.wait();
-    putGetState = putGetComplete;
+    putGetState = putGetIdle;
-    if(channelPutGetStatus.isOK()) pvaClientPutData->getChangedBitSet()->clear();
     return channelPutGetStatus;
 }
 
 void PvaClientPutGet::getGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::getGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueGetGet();
     Status status = waitGetGet();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::getGet "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -438,15 +370,12 @@ void PvaClientPutGet::getGet()
 
 void PvaClientPutGet::issueGetGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::issueGetGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(putGetState==putGetActive) {
+    if(putGetState!=putGetIdle) {
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::issueGetGet get or put aleady active ";
         throw std::runtime_error(message);
     }
@@ -456,34 +385,29 @@ void PvaClientPutGet::issueGetGet()
 
 Status PvaClientPutGet::waitGetGet()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::waitGetGet"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(putGetState!=putGetActive){
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::waitGetGet get or put aleady active ";
         throw std::runtime_error(message);
     }
     waitForPutGet.wait();
-    putGetState = putGetComplete;
+    putGetState = putGetIdle;
     return channelPutGetStatus;
 }
 
 void PvaClientPutGet::getPut()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::getGetPut"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     issueGetPut();
     Status status = waitGetPut();
     if(status.isOK()) return;
+    Channel::shared_pointer chan(channel.lock());
+    string channelName("disconnected");
+    if(chan) channelName = chan->getChannelName();
     string message = string("channel ") 
-        + pvaClientChannel->getChannel()->getChannelName()
+        + channelName
         + " PvaClientPut::getPut "
         + status.getMessage();
     throw std::runtime_error(message);
@@ -491,15 +415,12 @@ void PvaClientPutGet::getPut()
 
 void PvaClientPutGet::issueGetPut()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::issueGetPut"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(connectState==connectIdle) connect();
-    if(putGetState==putGetActive) {
+    if(putGetState!=putGetIdle) {
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::issueGetPut get or put aleady active ";
         throw std::runtime_error(message);
     }
@@ -509,62 +430,29 @@ void PvaClientPutGet::issueGetPut()
 
 Status PvaClientPutGet::waitGetPut()
 {
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::waitGetPut"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
     if(putGetState!=putGetActive){
-        string message = string("channel ")
+        Channel::shared_pointer chan(channel.lock());
-            + pvaClientChannel->getChannel()->getChannelName()
+        string channelName("disconnected");
+        if(chan) channelName = chan->getChannelName();
+        string message = string("channel ") + channelName
             + " PvaClientPutGet::waitGetPut get or put aleady active ";
         throw std::runtime_error(message);
     }
     waitForPutGet.wait();
-    putGetState = putGetComplete;
+    putGetState = putGetIdle;
     return channelPutGetStatus;
 }
 
 PvaClientGetDataPtr PvaClientPutGet::getGetData()
 {
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientPutGet::getGetData"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << endl;
-    }
     checkPutGetState();
-    if(putGetState==putGetIdle) getGet();
     return pvaClientGetData;
 }
 
 PvaClientPutDataPtr PvaClientPutGet::getPutData()
 {
-    if(PvaClient::getDebug()) {
-           cout<< "PvaClientPutGet::getPutData"
-               << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-               << endl;
-    }
     checkPutGetState();
-   if(putGetState==putGetIdle) getPut();
     return pvaClientPutData;
 }
 
-void PvaClientPutGet::setRequester(PvaClientPutGetRequesterPtr const & pvaClientPutGetRequester)
-{
-    if(PvaClient::getDebug()) {
-        cout << "PvaClientPutGet::setRequester"
-           << " channelName " << pvaClientChannel->getChannel()->getChannelName()
-           << endl;
-    }
-    this->pvaClientPutGetRequester = pvaClientPutGetRequester;
-}
-
-
-PvaClientChannelPtr PvaClientPutGet::getPvaClientChannel()
-{
-    return pvaClientChannel;
-}
-
-
-
 }}