NTMultiChannel support now available.

2015-08-10 05:16:45 -04:00
parent 2fae1da00a
commit 702652d20f
17 changed files with 1501 additions and 29 deletions
--- a/src/pvaClientNTMultiPut.cpp
+++ b/src/pvaClientNTMultiPut.cpp
@@ -0,0 +1,149 @@
+/* PvaClientNTMultiPut.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.
+ */
+/**
+ * @author mrk
+ * @date 2015.03
+ */
+
+#define epicsExportSharedSymbols
+#include <pv/pvaClientMultiChannel.h>
+#include <pv/standardField.h>
+#include <pv/convert.h>
+#include <epicsMath.h>
+
+using std::tr1::static_pointer_cast;
+using namespace epics::pvData;
+using namespace epics::pvAccess;
+using namespace epics::nt;
+using namespace std;
+
+namespace epics { namespace pvaClient { 
+
+static ConvertPtr convert = getConvert();
+static FieldCreatePtr fieldCreate = getFieldCreate();
+static PVDataCreatePtr pvDataCreate = getPVDataCreate();
+static StandardFieldPtr standardField = getStandardField();
+static CreateRequest::shared_pointer  createRequest = CreateRequest::create();
+
+PvaClientNTMultiPutPtr PvaClientNTMultiPut::create(
+    PvaClientMultiChannelPtr const &pvaMultiChannel,
+    PvaClientChannelArray const &pvaClientChannelArray)
+{
+    PvaClientNTMultiPutPtr pvaClientNTMultiPut(
+         new PvaClientNTMultiPut(pvaMultiChannel,pvaClientChannelArray));
+    return pvaClientNTMultiPut;
+}
+
+PvaClientNTMultiPut::PvaClientNTMultiPut(
+         PvaClientMultiChannelPtr const &pvaClientMultiChannel,
+         PvaClientChannelArray const &pvaClientChannelArray)
+: pvaClientMultiChannel(pvaClientMultiChannel),
+  pvaClientChannelArray(pvaClientChannelArray),
+  nchannel(pvaClientChannelArray.size()),
+  unionValue(shared_vector<epics::pvData::PVUnionPtr>(nchannel,PVUnionPtr())),
+  value(shared_vector<epics::pvData::PVFieldPtr>(nchannel,PVFieldPtr())),
+  isConnected(false),
+  isDestroyed(false)
+{
+}
+
+
+PvaClientNTMultiPut::~PvaClientNTMultiPut()
+{
+    destroy();
+}
+
+void PvaClientNTMultiPut::destroy()
+{
+    {
+        Lock xx(mutex);
+        if(isDestroyed) return;
+        isDestroyed = true;
+    }
+    pvaClientChannelArray.clear();
+}
+
+void PvaClientNTMultiPut::connect()
+{
+    pvaClientPut.resize(nchannel);
+    shared_vector<epics::pvData::boolean> isConnected = pvaClientMultiChannel->getIsConnected();
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+               pvaClientPut[i] = pvaClientChannelArray[i]->createPut();
+               pvaClientPut[i]->issueConnect();
+         }
+    }
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+               Status status = pvaClientPut[i]->waitConnect();
+               if(status.isOK()) continue;
+               stringstream ss;
+               string channelName = pvaClientChannelArray[i]->getChannelName();
+               ss << "channel " << channelName << " PvaChannelPut::waitConnect " << status.getMessage();
+               throw std::runtime_error(ss.str());
+         }
+    }
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+              pvaClientPut[i]->issueGet();
+         }
+    }
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+               Status status = pvaClientPut[i]->waitGet();
+               if(status.isOK()) continue;
+               stringstream ss;
+               string channelName = pvaClientChannelArray[i]->getChannelName();
+               ss << "channel " << channelName << " PvaChannelPut::waitGet " << status.getMessage();
+               throw std::runtime_error(ss.str());
+         }
+    }
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+             value[i] = pvaClientPut[i]->getData()->getValue();
+             FieldBuilderPtr builder = fieldCreate->createFieldBuilder();
+             builder->add("value",value[i]->getField());
+             unionValue[i] = pvDataCreate->createPVUnion(builder->createUnion());
+         }
+    }
+    this->isConnected = true;
+}
+
+shared_vector<epics::pvData::PVUnionPtr> PvaClientNTMultiPut::getValues()
+{
+    if(!isConnected) connect();
+    return unionValue;
+}
+
+void PvaClientNTMultiPut::put()
+{
+    if(!isConnected) connect();
+    shared_vector<epics::pvData::boolean> isConnected = pvaClientMultiChannel->getIsConnected();
+    for(size_t i=0; i<nchannel; ++i)
+    {
+         if(isConnected[i]) {
+               value[i]->copy(*unionValue[i]->get());
+               pvaClientPut[i]->issuePut();
+         }
+         if(isConnected[i]) {
+              Status status = pvaClientPut[i]->waitPut();
+              if(status.isOK())  continue;
+              stringstream ss;
+              string channelName = pvaClientChannelArray[i]->getChannelName();
+              ss << "channel " << channelName << " PvaChannelPut::waitConnect " << status.getMessage();
+              throw std::runtime_error(ss.str());
+         }
+    }
+}
+
+
+}}