added support for privider ca; many minor changes; note exampleDatabaseEasyPVA.zip changed

example/src/helloWorldRPC.cpp

@@ -0,0 +1,77 @@
+/*exampleChannelRPC.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
+ */
+
+/* Author: Marty Kraimer */
+
+#include <iostream>
+#include <pv/pvData.h>
+#include <pv/pvAccess.h>
+#include <pv/rpcClient.h>
+
+using namespace std;
+using namespace epics::pvData;
+using namespace epics::pvAccess;
+
+static FieldCreatePtr fieldCreate = getFieldCreate();
+static PVDataCreatePtr pvDataCreate = getPVDataCreate();
+
+
+static void exampleSimple()
+{
+    StructureConstPtr  topStructure = fieldCreate->createFieldBuilder()->
+        add("value",pvString)->
+        createStructure();
+    PVStructurePtr pvRequest = pvDataCreate->createPVStructure(topStructure);
+    PVStringPtr pvArgument = pvRequest->getSubField<PVString>("value");
+    pvArgument->put("World");
+    cout << "example channeRPC simple\n";
+    try {
+        PVStructurePtr pvResult =
+            RPCClient::sendRequest("exampleHelloRPC", pvRequest);
+        cout << "result\n" << pvResult << endl;
+    } catch (RPCRequestException &e) {
+        cout << e.what() << endl;
+    }
+}
+
+void exampleMore()
+{
+    StructureConstPtr  topStructure = fieldCreate->createFieldBuilder()->
+        add("value",pvString)->
+        createStructure();
+    PVStructurePtr pvRequest = pvDataCreate->createPVStructure(topStructure);
+    PVStringPtr pvArgument = pvRequest->getSubField<PVString>("value");
+    pvArgument->put("World");
+    cout << "example channeRPC more\n";
+    try {
+        RPCClient::shared_pointer client = RPCClient::create("exampleHelloRPC");
+        client->issueConnect();
+        if (client->waitConnect())
+        {
+            client->issueRequest(pvRequest);
+            PVStructure::shared_pointer result = client->waitResponse();
+            std::cout << *result << std::endl;
+        }
+        else {
+            cout << "waitConnect timeout\n";
+            return;
+        }
+    } catch (RPCRequestException &e) {
+        cout << e.what() << endl;
+    }
+}
+
+
+int main(int argc,char *argv[])
+{
+    exampleSimple();
+    exampleMore();
+    return 0;
+}