GHA config updates

Changed Field Fix

.appveyor.yml

@@ -0,0 +1,93 @@
+# .appveyor.yml for use with EPICS Base ci-scripts
+# (see: https://github.com/epics-base/ci-scripts)
+
+# This is YAML - indentation levels are crucial
+
+cache:
+  - C:\Users\appveyor\.tools
+
+#---------------------------------#
+#       repository cloning        #
+#---------------------------------#
+
+init:
+  # Set autocrlf to make batch files work
+  - git config --global core.autocrlf true
+
+clone_depth: 5
+
+# Build Configurations: dll/static, regular/debug
+configuration:
+  - dynamic
+  - static
+  - dynamic-debug
+  - static-debug
+
+# Default OS Image
+image: Visual Studio 2019
+
+# Environment variables: compiler toolchain, base version, setup file, ...
+environment:
+  # common / default variables for all jobs
+  SETUP_PATH: .ci-local:.ci
+
+  matrix:
+  - BASE: 3.15
+    CMP: vs2019
+  - BASE: 7.0
+    CMP: vs2019
+  - BASE: 7.0
+    CMP: gcc
+  - BASE: 7.0
+    CMP: vs2017
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+
+# Platform: processor architecture
+platform:
+  - x64
+
+#---------------------------------#
+#     building & testing          #
+#---------------------------------#
+
+install:
+  - cmd: git submodule update --init --recursive
+  - cmd: pip install git+https://github.com/mdavidsaver/ci-core-dumper#egg=ci-core-dumper
+  - cmd: python .ci/cue.py prepare
+
+build_script:
+  - cmd: python .ci/cue.py build
+
+test_script:
+  - cmd: python -m ci_core_dumper install
+  - cmd: python .ci/cue.py -T 20M test
+
+on_finish:
+  - ps: Get-ChildItem *.tap -Recurse -Force | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
+  - cmd: python .ci/cue.py -T 5M test-results
+
+on_failure:
+  - cmd: python -m ci_core_dumper report
+
+#---------------------------------#
+#         debugging               #
+#---------------------------------#
+
+## if you want to connect by remote desktop to a failed build, uncomment these lines
+## note that you will need to connect within the usual build timeout limit (60 minutes)
+## so you may want to adjust the build matrix above to just build the one of interest
+
+#on_failure:
+#  - ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
+#  - ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
+
+#---------------------------------#
+#         notifications           #
+#---------------------------------#
+
+notifications:
+  - provider: Email
+    to:
+      - core-talk@aps.anl.gov
+    on_build_success: false
+  - provider: GitHubPullRequest

.ci-local/defaults.set

@@ -0,0 +1,14 @@
+# EPICS Base
+BASE_DIRNAME=base
+BASE_REPONAME=epics-base
+BASE_REPOOWNER=epics-base
+BASE_VARNAME=EPICS_BASE
+BASE_RECURSIVE=NO
+
+MODULES=PVDATA PVACCESS
+
+PVDATA_REPONAME=pvDataCPP
+PVDATA_REPOOWNER=epics-base
+
+PVACCESS_REPONAME=pvAccessCPP
+PVACCESS_REPOOWNER=epics-base

.ci/travis-build.sh

@@ -1,10 +0,0 @@
-#!/bin/sh
-set -e -x
-
-make -j2 $EXTRA
-
-if [ "$TEST" != "NO" ]
-then
-  make -j2 tapfiles
-  make -j2 -s test-results
-fi

.ci/travis-prepare.sh

@@ -1,109 +0,0 @@
-#!/bin/sh
-set -e -x
-
-CURDIR="$PWD"
-
-cat << EOF > $CURDIR/configure/RELEASE.local
-EPICS_BASE=$HOME/.source/epics-base
-EOF
-
-install -d "$HOME/.source"
-cd "$HOME/.source"
-
-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
-}
-
-# not recursive
-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}
-
-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${RTEMS} for pc386"
-  curl -L "https://github.com/mdavidsaver/rsb/releases/download/20171203-${RTEMS}/i386-rtems${RTEMS}-trusty-20171203-${RTEMS}.tar.bz2" \
-  | tar -C / -xmj
-
-  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/.rtems
-EOF
-  cat << EOF >> epics-base/configure/CONFIG_SITE
-CROSS_COMPILER_TARGET_ARCHS += RTEMS-pc386-qemu
-EOF
-fi
-
-make -j2 -C epics-base $EXTRA
-make -j2 -C pvData $EXTRA
-make -j2 -C pvAccess $EXTRA

.github/workflows/ci-scripts-build.yml

@@ -0,0 +1,172 @@
+# .github/workflows/ci-scripts-build.yml for use with EPICS Base ci-scripts
+# (see: https://github.com/epics-base/ci-scripts)
+
+# This is YAML - indentation levels are crucial
+
+# Workflow name
+
+name: Base
+
+# Trigger on pushes and PRs to any branch
+on:
+  push:
+    paths-ignore:
+      - 'documentation/*'
+      - '.appveyor.yml'
+      - '.readthedocs.yml'
+  pull_request:
+    paths-ignore:
+      - 'documentation/*'
+      - '.appveyor.yml'
+      - '.readthedocs.yml'
+
+env:
+    SETUP_PATH: .ci-local:.ci
+    EPICS_TEST_IMPRECISE_TIMING: YES
+
+jobs:
+  build-base:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    # Set environment variables from matrix parameters
+    env:
+      BASE: ${{ matrix.base }}
+      CMP: ${{ matrix.cmp }}
+      BCFG: ${{ matrix.configuration }}
+      CI_CROSS_TARGETS: ${{ matrix.cross }}
+      EXTRA: ${{ matrix.extra }}
+      TEST: ${{ matrix.test }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # Job names also name artifacts, character limitations apply
+        include:
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: default
+            base: "7.0"
+            cross: "windows-x64-mingw"
+            name: "7.0 Ub-22 gcc + MinGW"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: static
+            base: "7.0"
+            cross: "windows-x64-mingw"
+            name: "7.0 Ub-22 gcc + MinGW, static"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: static
+            base: "7.0"
+            extra: "CMD_CXXFLAGS=-std=c++11"
+            name: "7.0 Ub-22 gcc C++11, static"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: static
+            base: "7.0"
+            extra: "CMD_CFLAGS=-funsigned-char CMD_CXXFLAGS=-funsigned-char"
+            name: "7.0 Ub-22 gcc uchar"
+
+          - os: ubuntu-22.04
+            cmp: clang
+            configuration: default
+            base: "7.0"
+            name: "7.0 Ub-22 clang"
+
+          - os: ubuntu-22.04
+            cmp: clang
+            configuration: default
+            base: "7.0"
+            extra: "CMD_CXXFLAGS=-std=c++11"
+            name: "7.0 Ub-22 clang C++11"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: default
+            base: "7.0"
+            cross: "RTEMS-pc686-qemu@5"
+            name: "7.0 Ub-22 gcc + RT-5.1 pc686"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: default
+            base: "7.0"
+            cross: "RTEMS-pc386-qemu@4.10"
+            test: NO
+            name: "7.0 Ub-22 gcc + RT-4.10"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: default
+            base: "7.0"
+            cross: "RTEMS-pc386-qemu@4.9"
+            name: "7.0 Ub-22 gcc + RT-4.9"
+
+          - os: macos-latest
+            cmp: clang
+            configuration: default
+            base: "7.0"
+            name: "7.0 MacOS clang"
+
+          - os: windows-2019
+            cmp: vs2019
+            configuration: default
+            base: "7.0"
+            name: "7.0 Win2019 MSC-19"
+            extra: "CMD_CXXFLAGS=-analysis"
+
+          - os: windows-2019
+            cmp: vs2019
+            configuration: static
+            base: "7.0"
+            name: "7.0 Win2019 MSC-19, static"
+            extra: "CMD_CXXFLAGS=-analysis"
+
+          - os: windows-2019
+            cmp: vs2019
+            configuration: debug
+            base: "7.0"
+            name: "7.0 Win2019 MSC-19, debug"
+
+          - os: windows-2019
+            cmp: gcc
+            configuration: default
+            base: "7.0"
+            name: "7.0 Win2019 mingw"
+
+          - os: ubuntu-22.04
+            cmp: gcc
+            configuration: default
+            base: "3.15"
+            wine: "64"
+            name: "3.15 Ub-22 gcc + MinGW"
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+    - name: Automatic core dump analysis
+      uses: mdavidsaver/ci-core-dumper@master
+    - name: "apt-get install"
+      run: |
+        sudo apt-get update
+        sudo apt-get -y install qemu-system-x86 g++-mingw-w64-x86-64 gdb
+      if: runner.os == 'Linux'
+    - name: Prepare and compile dependencies
+      run: python .ci/cue.py prepare
+    - name: Build main module
+      run: python .ci/cue.py build
+    - name: Run main module tests
+      run: python .ci/cue.py -T 20M test
+    - name: Upload tapfiles Artifact
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: tapfiles ${{ matrix.name }}
+        path: '**/O.*/*.tap'
+        if-no-files-found: ignore
+    - name: Collect and show test results
+      if: ${{ always() }}
+      run: python .ci/cue.py -T 5M test-results

.gitmodules

@@ -0,0 +1,3 @@
+[submodule ".ci"]
+	path = .ci
+	url = https://github.com/epics-base/ci-scripts

.travis.yml

@@ -1,31 +0,0 @@
-sudo: false
-dist: trusty
-language: c++
-compiler:
-  - gcc
-addons:
-  apt:
-    packages:
-    - libreadline6-dev
-    - libncurses5-dev
-    - perl
-    - clang
-    - g++-mingw-w64-i686
-    - qemu-system-x86
-install:
- - ./.ci/travis-prepare.sh
-script:
- - ./.ci/travis-build.sh
-env:
- - BRBASE=7.0
- - BRBASE=7.0 CMPLR=clang
- - BRBASE=7.0 EXTRA="CMD_CXXFLAGS=-std=c++98"
- - BRBASE=7.0 EXTRA="CMD_CXXFLAGS=-std=c++11"
- - BRBASE=7.0 CMPLR=clang EXTRA="CMD_CXXFLAGS=-std=c++11"
- - BRBASE=7.0 WINE=32 TEST=NO STATIC=YES
- - BRBASE=7.0 WINE=32 TEST=NO STATIC=NO
- - BRBASE=7.0 RTEMS=4.10 TEST=NO
- - BRBASE=7.0 RTEMS=4.9 TEST=NO
- - BRBASE=3.16
- - BRBASE=3.15
- 

Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = pvDatabaseCPP
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.7.1
+PROJECT_NUMBER         = 4.7.3-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

configure/CONFIG_PVDATABASE_VERSION

@@ -2,11 +2,11 @@
 
 EPICS_PVDATABASE_MAJOR_VERSION = 4
 EPICS_PVDATABASE_MINOR_VERSION = 7
-EPICS_PVDATABASE_MAINTENANCE_VERSION = 1
+EPICS_PVDATABASE_MAINTENANCE_VERSION = 3
 
 # Development flag, set to zero for release versions
 
-EPICS_PVDATABASE_DEVELOPMENT_FLAG = 0
+EPICS_PVDATABASE_DEVELOPMENT_FLAG = 1
 
 # Immediately after a release the MAINTENANCE_VERSION
 # will be incremented and the DEVELOPMENT_FLAG set to 1

documentation/RELEASE_NOTES.md

@@ -2,6 +2,13 @@
 
 This document summarizes the changes to the module between releases.
 
+## Release 4.7.2 (EPICS 7.0.9, Feb 2025)
+
+* Resolved issue with changed field set in the case where the top level (master)
+field ("_") is not requested by the client, but the master field callback causes
+all fields to be marked as updated, rather than only those fields that have
+actually been modified.
+
 ## Release 4.7.1 (EPICS 7.0.8, Dec 2023)
 
 * Added data distributor plugin which can be used for distributing data between 

jenkins/cloudbees_build

@@ -1,79 +0,0 @@
-# pvDatabase C++ implementation
-# Jenkins @ Cloudbees build script
-#
-# Jenkins invokes scripts with the "-ex" option. So the build is considered a failure
-# if any of the commands exits with a non-zero exit code.
-#
-# Author: Ralph Lange <ralph.lange@gmx.de>
-# Copyright (C) 2014 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
-# Copyright (C) 2014-2016 ITER Organization.
-# All rights reserved. Use is subject to license terms.
-
-installTool () {
-    local module=$1
-    local version=$2
-
-    wget -nv https://openepics.ci.cloudbees.com/job/${module}-${version}_Build/lastSuccessfulBuild/artifact/${module,,}-${version}.CB-dist.tar.gz
-    tar -xzf ${module,,}-${version}.CB-dist.tar.gz
-}
-
-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
-    tar -xzf ${module}.CB-dist.tar.gz
-}
-
-###########################################
-# Defaults for EPICS Base
-
-DEFAULT_BASE=3.15.4
-BASE=${BASE:-${DEFAULT_BASE}}
-
-###########################################
-# Dependent module branches
-
-PVDATA_BRANCH="master"
-PVACCESS_BRANCH="master"
-
-###########################################
-# Fetch and unpack dependencies
-
-export STUFF=/tmp/stuff
-
-rm -fr ${STUFF}
-mkdir -p ${STUFF}
-cd ${STUFF}
-
-installTool Boost 1.61.0
-installTool Base ${BASE}
-
-installE4 pvData ${PVDATA_BRANCH}
-installE4 pvAccess ${PVACCESS_BRANCH}
-
-###########################################
-# Build
-
-cd ${WORKSPACE}
-
-export EPICS_BASE=${STUFF}
-export EPICS_HOST_ARCH=$(${EPICS_BASE}/startup/EpicsHostArch)
-export LD_LIBRARY_PATH=${EPICS_BASE}/lib/${EPICS_HOST_ARCH}
-export PATH=${STUFF}/bin:${PATH}
-
-cat > configure/RELEASE.local << EOF
-EPICS_BASE=${EPICS_BASE}
-EOF
-
-make distclean all
-
-###########################################
-# Test
-
-make runtests
-
-###########################################
-# Create cache
-
-tar -czf pvDatabase.CB-dist.tar.gz lib include dbd LICENSE

jenkins/cloudbees_doc

@@ -1,66 +0,0 @@
-# pvDatabase C++ implementation
-# Jenkins @ Cloudbees documentation generation and deployment
-#
-# Jenkins invokes scripts with the "-ex" option. So the build is considered a failure
-# if any of the commands exits with a non-zero exit code.
-#
-# Author: Ralph Lange <ralph.lange@gmx.de>
-# Copyright (C) 2014 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
-# Copyright (C) 2014-2016 ITER Organization.
-# All rights reserved. Use is subject to license terms.
-
-installTool () {
-    local module=$1
-    local version=$2
-
-    wget -nv https://openepics.ci.cloudbees.com/job/${module}-${version}_Build/lastSuccessfulBuild/artifact/${module,,}-${version}.CB-dist.tar.gz
-    tar -xzf ${module,,}-${version}.CB-dist.tar.gz
-}
-
-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
-    tar -xzf ${module}.CB-dist.tar.gz
-}
-
-###########################################
-# Defaults for EPICS Base and parameters
-
-BASE=3.15.4
-PUBLISH=${PUBLISH:-NO}
-BRANCH=${BRANCH:-master}
-
-###########################################
-# Fetch and unpack dependencies
-
-export STUFF=/tmp/stuff
-
-rm -fr ${STUFF}
-mkdir -p ${STUFF}
-cd ${STUFF}
-
-installTool Doxygen 1.8.11
-
-###########################################
-# Generate
-
-cd ${WORKSPACE}
-
-installE4 pvDatabase ${BRANCH}
-
-export PATH=${STUFF}/bin:${PATH}
-
-doxygen
-
-###########################################
-# Publish
-
-if [ "${PUBLISH}" != "DONT" ]; then
-    # Upload explicit dummy to ensure target directory exists
-    echo "Created by CloudBees Jenkins upload job. Should be deleted as part of the job." > DUMMY
-    rsync -q -e ssh DUMMY epics-jenkins@web.sourceforge.net:/home/project-web/epics-pvdata/htdocs/docbuild/pvDatabaseCPP/${PUBLISH}/
-
-    rsync -aqP --delete -e ssh documentation epics-jenkins@web.sourceforge.net:/home/project-web/epics-pvdata/htdocs/docbuild/pvDatabaseCPP/${PUBLISH}/
-fi

src/copy/pvCopy.cpp

@@ -432,6 +432,7 @@ bool PVCopy::init(epics::pvData::PVStructurePtr const &pvRequest)
     PVStructurePtr pvMasterStructure = pvMaster;
     size_t len = pvRequest->getPVFields().size();
     bool entireMaster = false;
+    requestHasMasterField = false;
     PVStructurePtr pvOptions;
     if(len==0) {
         entireMaster = true;
@@ -441,6 +442,9 @@ bool PVCopy::init(epics::pvData::PVStructurePtr const &pvRequest)
         // then assume the top level PV structure is requested
         PVStructurePtr masterFieldPtr = pvMaster->getSubField<PVStructure>("_");
         PVStructurePtr requestFieldPtr = pvRequest->getSubField<PVStructure>("_");
+        if (requestFieldPtr) {
+            requestHasMasterField = true;
+        }
         if (!masterFieldPtr && requestFieldPtr) {
             entireMaster = true;
             pvOptions = requestFieldPtr->getSubField<PVStructure>("_options");

src/database/pvRecord.cpp

@@ -481,27 +481,30 @@ void PVRecordStructure::init()
     for(size_t i=0; i<numFields; i++) {
         PVFieldPtr pvField = pvFields[i];
         if(pvField->getField()->getType()==structure) {
-             PVStructurePtr xxx = static_pointer_cast<PVStructure>(pvField);
+            PVStructurePtr xxx = static_pointer_cast<PVStructure>(pvField);
-             PVRecordStructurePtr pvRecordStructure(
+            PVRecordStructurePtr pvRecordStructure(
                  new PVRecordStructure(xxx,self,pvRecord));
-             pvRecordFields->push_back(pvRecordStructure);
+            pvRecordFields->push_back(pvRecordStructure);
-             pvRecordStructure->init();
+            pvRecordStructure->init();
         } else {
-             PVRecordFieldPtr pvRecordField(
+            PVRecordFieldPtr pvRecordField(
                 new PVRecordField(pvField,self,pvRecord));
-             pvRecordFields->push_back(pvRecordField);
+            pvRecordFields->push_back(pvRecordField);
-             pvRecordField->init();
+            pvRecordField->init();
-             // Master field listeners will be called before
+            // Master field listeners will be called before
-             // calling listeners for the first subfield
+            // calling listeners for the first subfield
-             if (!masterFieldCallbackSet) {
+            if (!masterFieldCallbackSet) {
-                 masterFieldCallbackSet = true;
+                masterFieldCallbackSet = true;
-                 // Find master field
+                // Find master field
-                 PVRecordStructurePtr p = pvRecordField->parent.lock();
+                PVRecordStructurePtr p = pvRecordField->parent.lock();
-                 while (p) {
+                while (p) {
-                     pvRecordField->master = p;
+                    PVRecordStructurePtr p2 = p->parent.lock();
-                     p = p->parent.lock();
+                    if (!p2) {
-                 }
+                        pvRecordField->master = p;
-             }
+                    }
+                    p = p2;
+                }
+            }
         }
     }
 }

src/pv/pvStructureCopy.h

@@ -167,6 +167,10 @@ public:
      *  name is the subField name and value is the subField value.
      */
     epics::pvData::PVStructurePtr getOptions(std::size_t fieldOffset);
+    /**
+     * Is master field requested?
+     */
+    bool isMasterFieldRequested() const {return requestHasMasterField;}
     /**
      * For debugging.
      */
@@ -183,6 +187,7 @@ private:
     CopyNodePtr headNode;
     epics::pvData::PVStructurePtr cacheInitStructure;
     epics::pvData::BitSetPtr ignorechangeBitSet;
+    bool requestHasMasterField;
 
     void traverseMaster(
         CopyNodePtr const &node,

src/pvAccess/monitorFactory.cpp

@@ -292,6 +292,12 @@ void MonitorLocal::dataPut(PVRecordFieldPtr const & pvRecordField)
     {
         cout << "MonitorLocal::dataPut(pvRecordField)" << endl;
     }
+    // If this record field is the master field, and the master field was not
+    // requested, we do not proceed with copy
+    bool isMasterField = pvRecordField->getPVRecord()->getPVStructure()->getFieldOffset()==0;
+    if (isMasterField && !pvCopy->isMasterFieldRequested()) {
+        return;
+    }
     if(state!=active) return;
     {
         Lock xx(mutex);

test/src/Makefile

@@ -33,3 +33,8 @@ TESTPROD_HOST += testPVAServer
 testPVAServer_SRCS += testPVAServer.cpp
 testHarness_SRCS += testPVAServer.cpp
 TESTS += testPVAServer
+
+TESTPROD_HOST += testChannelMonitor
+testChannelMonitor_SRCS += testChannelMonitor.cpp
+testHarness_SRCS += testChannelMonitor.cpp
+TESTS += testChannelMonitor

test/src/testChannelMonitor.cpp

@@ -0,0 +1,312 @@
+/* testChannelMonitor.cpp */
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * EPICS pvData is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+
+#include <epicsUnitTest.h>
+#include <testMain.h>
+
+#include <cstddef>
+#include <cstdlib>
+#include <cstddef>
+#include <string>
+#include <cstdio>
+#include <memory>
+#include <iostream>
+
+#include <epicsStdio.h>
+#include <epicsMutex.h>
+#include <epicsEvent.h>
+#include <epicsThread.h>
+
+#include <pv/standardField.h>
+#include <pv/standardPVField.h>
+#include <pv/pvData.h>
+#include <pv/pvAccess.h>
+#include <pv/channelProviderLocal.h>
+#include <pv/serverContext.h>
+#include <pv/event.h>
+#include <pv/clientFactory.h>
+
+using namespace std;
+using std::tr1::static_pointer_cast;
+using namespace epics::pvData;
+using namespace epics::pvAccess;
+using namespace epics::pvDatabase;
+namespace TR1 = std::tr1;
+
+static bool debug = true;
+
+PVStructurePtr createTestPvStructure()
+{
+    FieldCreatePtr fieldCreate = getFieldCreate();
+    StandardFieldPtr standardField = getStandardField()
+;
+    PVDataCreatePtr pvDataCreate = getPVDataCreate();
+
+    return pvDataCreate->createPVStructure(
+        fieldCreate->createFieldBuilder()->
+            add("id",pvInt) ->
+            add("x",pvInt) ->
+            add("y",pvInt) ->
+            add("z",pvInt) ->
+            add("alarm",standardField->alarm()) ->
+            add("timeStamp",standardField->timeStamp()) ->
+            createStructure());
+}
+
+class ChannelMonitorRequesterImpl : public MonitorRequester
+{
+public:
+
+    ChannelMonitorRequesterImpl(const std::string& channelName_)
+        : channelName(channelName_)
+        , lastReceivedPvStructure(createTestPvStructure())
+        , lastReceivedBitSet()
+    {
+    }
+
+    virtual string getRequesterName()
+    {
+        return "ChannelMonitorRequesterImpl";
+    }
+
+    virtual void message(const std::string& message, MessageType messageType)
+    {
+        cout << "[" << getRequesterName() << "] message(" << message << ", " << getMessageTypeName(messageType) << ")" << endl;
+    }
+
+    virtual void monitorConnect(const epics::pvData::Status& status, const Monitor::shared_pointer& /*monitor*/, const Structure::const_shared_pointer& /*structure*/)
+    {
+        if (status.isSuccess()) {
+            // show warning
+            if (!status.isOK()) {
+                cout << "[" << channelName << "] channel monitor create: " << status << endl;
+            }
+            connectionEvent.signal();
+        }
+        else {
+            cout << "[" << channelName << "] failed to create channel monitor: " << status << endl;
+        }
+    }
+
+    virtual void monitorEvent(const Monitor::shared_pointer& monitor)
+    {
+        MonitorElement::shared_pointer element;
+        while ((element = monitor->poll())) {
+            cout << "changed/overrun " << *element->changedBitSet << '/' << *element->overrunBitSet << endl;
+            if (!lastReceivedBitSet) {
+                lastReceivedBitSet = BitSet::create(element->changedBitSet->size());
+            }
+            lastReceivedBitSet->clear();
+            *lastReceivedBitSet |= *element->changedBitSet;
+            lastReceivedPvStructure->copyUnchecked(*element->pvStructurePtr);
+            monitor->release(element);
+        }
+    }
+
+    virtual void unlisten(const Monitor::shared_pointer& /*monitor*/)
+    {
+    }
+
+    bool waitUntilConnected(double timeOut)
+    {
+        return connectionEvent.wait(timeOut);
+    }
+
+    PVStructurePtr getLastReceivedPvStructure()
+    {
+        return lastReceivedPvStructure;
+    }
+
+    BitSetPtr getLastReceivedBitSet()
+    {
+        return lastReceivedBitSet;
+    }
+
+private:
+    Event event;
+    Event connectionEvent;
+    string channelName;
+    PVStructurePtr lastReceivedPvStructure;
+    BitSetPtr lastReceivedBitSet;
+};
+
+class ChannelRequesterImpl : public ChannelRequester
+{
+private:
+    Event event;
+
+public:
+
+    virtual string getRequesterName()
+    {
+        return "ChannelRequesterImpl";
+    };
+
+    virtual void message(const std::string& message, MessageType messageType)
+    {
+        cout << "[" << getRequesterName() << "] message(" << message << ", " << getMessageTypeName(messageType) << ")" << endl;
+    }
+
+    virtual void channelCreated(const Status& status, const Channel::shared_pointer& channel)
+    {
+        if (status.isSuccess()) {
+            // show warning
+            if (!status.isOK()) {
+                cout << "[" << channel->getChannelName() << "] channel create: " << status << endl;
+            }
+        }
+        else {
+            cout << "[" << channel->getChannelName() << "] failed to create a channel: " << status << endl;
+        }
+    }
+
+    virtual void channelStateChange(const Channel::shared_pointer& /*channel*/, Channel::ConnectionState connectionState)
+    {
+        if (connectionState == Channel::CONNECTED) {
+            event.signal();
+        }
+        else {
+            cout << Channel::ConnectionStateNames[connectionState] << endl;
+            exit(3);
+        }
+    }
+
+    bool waitUntilConnected(double timeOut)
+    {
+        return event.wait(timeOut);
+    }
+};
+
+
+static void test()
+{
+    PVDatabasePtr master = PVDatabase::getMaster();
+    ChannelProviderLocalPtr channelProvider = getChannelProviderLocal();
+    string recordName = "positions";
+    PVStructurePtr pvStructure = createTestPvStructure();
+    PVRecordPtr pvRecord = PVRecord::create(recordName,pvStructure);
+    master->addRecord(pvRecord);
+    pvRecord = master->findRecord(recordName);
+    {
+        pvRecord->lock();
+        pvRecord->process();
+        pvRecord->unlock();
+    }
+    if(debug) {cout << "processed positions"  << endl; }
+    ServerContext::shared_pointer ctx = startPVAServer("local",0,true,true);
+    testOk1(ctx.get() != 0);
+
+    ClientFactory::start();
+    ChannelProvider::shared_pointer provider = ChannelProviderRegistry::clients()->getProvider("pva");
+
+    cout << "creating channel: " << recordName << endl;
+    TR1::shared_ptr<ChannelRequesterImpl> channelRequesterImpl(new ChannelRequesterImpl());
+
+    Channel::shared_pointer channel = provider->createChannel(recordName, channelRequesterImpl);
+    bool channelConnected = channelRequesterImpl->waitUntilConnected(1.0);
+    testOk1(channelConnected);
+    if (channelConnected) {
+        string remoteAddress = channel->getRemoteAddress();
+        cout << "remote address: " << remoteAddress << endl;
+    }
+
+    string request = "";
+    PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest(request);
+    TR1::shared_ptr<ChannelMonitorRequesterImpl> cmRequesterImpl(new ChannelMonitorRequesterImpl(channel->getChannelName()));
+    Monitor::shared_pointer monitor = channel->createMonitor(cmRequesterImpl, pvRequest);
+    bool monitorConnected = cmRequesterImpl->waitUntilConnected(1.0);
+    testOk1(monitorConnected);
+    Status status = monitor->start();
+    testOk1(status.isOK());
+    epicsThreadSleep(1);
+
+    //  Set id, x
+    {
+        pvRecord->beginGroupPut();
+        PVIntPtr id = pvStructure->getSubField<PVInt>("id");
+        id->put(1);
+        PVIntPtr x = pvStructure->getSubField<PVInt>("x");
+        x->put(1);
+        pvRecord->endGroupPut();
+    }
+    epicsThreadSleep(1);
+
+    //  Changed set for (id,x): 0 unset, 1 set, 2 set, 3 unset, 4 unset
+    BitSetPtr changedSet = cmRequesterImpl->getLastReceivedBitSet();
+    testOk1(!changedSet->get(0) && changedSet->get(1) && changedSet->get(2) && !changedSet->get(3) && !changedSet->get(4));
+    testOk1(*pvStructure == *cmRequesterImpl->getLastReceivedPvStructure());
+
+    //  Set id, y
+    {
+        pvRecord->beginGroupPut();
+        PVIntPtr id = pvStructure->getSubField<PVInt>("id");
+        id->put(2);
+        PVIntPtr y = pvStructure->getSubField<PVInt>("y");
+        y->put(2);
+        pvRecord->endGroupPut();
+    }
+    epicsThreadSleep(1);
+
+    //  Changed set for (id,y): 0 unset, 1 set, 2 unset, 3 set, 4 unset
+    changedSet = cmRequesterImpl->getLastReceivedBitSet();
+    testOk1(!changedSet->get(0) && changedSet->get(1) && !changedSet->get(2) && changedSet->get(3) && !changedSet->get(4));
+    testOk1(*pvStructure == *cmRequesterImpl->getLastReceivedPvStructure());
+
+    //  Set id, z
+    {
+        pvRecord->beginGroupPut();
+        PVIntPtr id = pvStructure->getSubField<PVInt>("id");
+        id->put(3);
+        PVIntPtr z = pvStructure->getSubField<PVInt>("z");
+        z->put(3);
+        pvRecord->endGroupPut();
+    }
+    epicsThreadSleep(1);
+
+    //  Changed set for (id,z): 0 unset, 1 set, 2 unset, 3 unset, 4 set
+    changedSet = cmRequesterImpl->getLastReceivedBitSet();
+    testOk1(!changedSet->get(0) && changedSet->get(1) && !changedSet->get(2) && !changedSet->get(3) && changedSet->get(4));
+    testOk1(*pvStructure == *cmRequesterImpl->getLastReceivedPvStructure());
+
+    status = monitor->stop();
+    testOk1(status.isOK());
+
+    // Test master field
+    request = "field(_)";
+    pvRequest = CreateRequest::create()->createRequest(request);
+    cmRequesterImpl = TR1::shared_ptr<ChannelMonitorRequesterImpl>(new ChannelMonitorRequesterImpl(channel->getChannelName()));
+    monitor = channel->createMonitor(cmRequesterImpl, pvRequest);
+    monitorConnected = cmRequesterImpl->waitUntilConnected(1.0);
+    testOk1(monitorConnected);
+    status = monitor->start();
+    testOk1(status.isOK());
+    epicsThreadSleep(1);
+    {
+        pvRecord->beginGroupPut();
+        PVIntPtr id = pvStructure->getSubField<PVInt>("id");
+        id->put(4);
+        PVIntPtr x = pvStructure->getSubField<PVInt>("x");
+        x->put(4);
+        pvRecord->endGroupPut();
+    }
+    epicsThreadSleep(1);
+    //  Changed set with master field requested: 0 set
+    changedSet = cmRequesterImpl->getLastReceivedBitSet();
+    testOk1(changedSet->get(0));
+    testOk1(*pvStructure == *cmRequesterImpl->getLastReceivedPvStructure());
+
+    status = monitor->stop();
+    testOk1(status.isOK());
+
+}
+
+MAIN(testChannelMonitor)
+{
+    testPlan(16);
+    test();
+    return 0;
+}

test/src/testPVCopy.cpp

@@ -289,6 +289,7 @@ static void testMasterField(PVRecordPtr const& pvRecord)
         cout << "Master PV structure from copy" << endl << *pvMasterField << endl;
         cout << "Master PV structure from copy offset " << pvMasterField->getFieldOffset() << endl;
     }
+    testOk1(pvCopy->isMasterFieldRequested());
     testOk1(pvMasterField->getNumberFields() == pvStructureRecord->getNumberFields());
     testOk1(pvMasterField->getFieldOffset() == 0);
     PVStructurePtr pvStructureCopy = pvCopy->createPVStructure();
@@ -431,7 +432,7 @@ static void masterFieldTest()
 
 MAIN(testPVCopy)
 {
-    testPlan(70);
+    testPlan(71);
     scalarTest();
     arrayTest();
     powerSupplyTest();