flow: Merged <feature> 'changesAfter3_0_2' to <develop> ('default').

exampleDatabase/iocBoot/exampleDatabase/st.cmd

@@ -17,5 +17,6 @@ iocInit()
 dbl
 epicsThreadSleep(2.0)
 exampleDatabase
+exampleMonitorPlugin
 startPVAServer
 pvdbl

exampleDatabase/src/exampleDatabaseRegister.dbd

@@ -1 +1,2 @@
 registrar("exampleDatabaseRegister")
+registrar("exampleMonitorPluginRegister")

exampleDatabase/src/exampleMonitorPlugin.cpp

@@ -0,0 +1,97 @@
+/* exampleMonitorPlugin.h */
+/**
+ * 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 2014.04.16
+ */
+
+#include <pv/convert.h>
+#include <pv/monitorPlugin.h>
+#include <pv/exampleMonitorPlugin.h>
+
+namespace epics { namespace pvDatabase { 
+using namespace epics::pvData;
+using std::cout;
+using std::endl;
+
+static String pluginName("onChange");
+static ConvertPtr convert(getConvert());
+
+class OnChangePlugin;
+typedef std::tr1::shared_ptr<OnChangePlugin> OnChangePluginPtr;
+class OnChangePluginCreator;
+typedef std::tr1::shared_ptr<OnChangePluginCreator> OnChangePluginCreatorPtr;
+
+class OnChangePlugin : public MonitorPlugin
+{
+public:
+    virtual ~OnChangePlugin(){}
+    OnChangePlugin() {}
+    bool init(
+        FieldConstPtr const &field,
+        StructureConstPtr const &top,
+        PVStructurePtr const &pvFieldOptions)
+   {
+        pvField = getPVDataCreate()->createPVField(field);
+        raiseMonitor = true;
+        if(pvFieldOptions!=NULL) {
+            PVStringPtr pvString =
+                pvFieldOptions->getSubField<PVString>("raiseMonitor");
+                if(pvString!=NULL) {
+                    String value = pvString->get();
+                    if(value.compare("false")==0) raiseMonitor = false;
+                }
+        }
+        return true;
+   }
+   virtual String &getName(){return pluginName;}
+   virtual bool causeMonitor(
+        PVFieldPtr const &pvNew,
+        PVStructurePtr const &pvTop,
+        MonitorElementPtr const &monitorElement)
+   {
+       bool isSame = convert->equals(pvNew,pvField);
+       if(isSame) return false;
+       convert->copy(pvNew,pvField);
+       return raiseMonitor;
+   }
+private:
+   PVFieldPtr pvField;
+   bool raiseMonitor;
+};
+
+class OnChangePluginCreator : public MonitorPluginCreator
+{
+public:
+    virtual String &getName(){return pluginName;}
+    virtual MonitorPluginPtr create(
+        FieldConstPtr const &field,
+        StructureConstPtr const &top,
+        PVStructurePtr const &pvFieldOptions)
+   {
+       OnChangePluginPtr plugin(new OnChangePlugin());
+       bool result = plugin->init(field,top,pvFieldOptions);
+       if(!result) return MonitorPluginPtr();
+       return plugin;
+   }
+
+};
+
+void ExampleMonitorPlugin::create()
+{
+    static OnChangePluginCreatorPtr plugin;
+    static Mutex mutex;
+    Lock xx(mutex);
+    if(plugin==NULL) {
+        plugin = OnChangePluginCreatorPtr(new OnChangePluginCreator());
+        MonitorPluginManager::get()->addPlugin(pluginName,plugin);
+    }
+}
+
+
+}}
+

exampleDatabase/src/exampleMonitorPlugin.h

@@ -0,0 +1,29 @@
+/* exampleMonitorPlugin.h */
+/**
+ * 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 2014.04.16
+ */
+#ifndef EXAMPLEMONITORPLUGIN_H
+#define EXAMPLEMONITORPLUGIN_H
+
+#include <shareLib.h>
+
+#include <pv/pvDatabase.h>
+#include <pv/monitorPlugin.h>
+
+namespace epics { namespace pvDatabase { 
+
+class epicsShareClass  ExampleMonitorPlugin{
+public:
+    static void create();
+};
+
+
+}}
+
+#endif  /* EXAMPLEMONITORPLUGIN_H */

exampleDatabase/src/exampleMonitorPluginRegister.cpp

@@ -0,0 +1,61 @@
+/*exampleMonitorPlugin.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 2013.07.24
+ */
+
+
+/* Author: Marty Kraimer */
+
+#include <cstddef>
+#include <cstdlib>
+#include <cstddef>
+#include <string>
+#include <cstdio>
+#include <memory>
+
+#include <cantProceed.h>
+#include <epicsStdio.h>
+#include <epicsMutex.h>
+#include <epicsEvent.h>
+#include <epicsThread.h>
+#include <iocsh.h>
+
+#include <epicsExport.h>
+
+#include <pv/pvIntrospect.h>
+#include <pv/pvData.h>
+#include <pv/pvAccess.h>
+#include <pv/pvDatabase.h>
+#include <pv/exampleMonitorPlugin.h>
+
+using namespace epics::pvData;
+using namespace epics::pvAccess;
+using namespace epics::pvDatabase;
+
+
+static const iocshFuncDef exampleMonitorPluginFuncDef = {
+    "exampleMonitorPlugin", 0,0 };
+
+
+static void exampleMonitorPluginCallFunc(const iocshArgBuf *args)
+{
+    ExampleMonitorPlugin::create();
+}
+
+static void exampleMonitorPluginRegister(void)
+{
+std::cout << "exampleMonitorPluginRegister\n";
+    static int firstTime = 1;
+    if (firstTime) {
+        firstTime = 0;
+        iocshRegister(&exampleMonitorPluginFuncDef, exampleMonitorPluginCallFunc);
+    }
+std::cout << "exampleMonitorPluginRegister returning\n";
+}
+epicsExportRegistrar(exampleMonitorPluginRegister);