add RPC loopback test

src/rpcService/pv/rpcServer.h

@@ -38,12 +38,10 @@ private:
     std::tr1::shared_ptr<ServerContext> m_serverContext;
     ChannelProvider::shared_pointer m_channelProviderImpl;
 
-    // TODO no thread poll implementation
-
 public:
     POINTER_DEFINITIONS(RPCServer);
 
-    RPCServer();
+    explicit RPCServer(const Configuration::const_shared_pointer& conf = Configuration::const_shared_pointer());
 
     virtual ~RPCServer();
 
@@ -66,6 +64,7 @@ public:
      */
     void printInfo();
 
+    const std::tr1::shared_ptr<ServerContext>& getServer() const { return m_serverContext; }
 };
 
 epicsShareFunc Channel::shared_pointer createRPCChannel(ChannelProvider::shared_pointer const & provider,

src/rpcService/pv/rpcService.h

@@ -32,10 +32,13 @@ namespace pvAccess {
 class epicsShareClass RPCRequestException : public std::runtime_error {
 public:
 
+    explicit RPCRequestException(std::string const & message) :
+        std::runtime_error(message), m_status(epics::pvData::Status::STATUSTYPE_ERROR)
+    {}
+
     RPCRequestException(epics::pvData::Status::StatusType status, std::string const & message) :
         std::runtime_error(message), m_status(status)
-    {
-    }
+    {}
 
     epics::pvData::Status::StatusType getStatus() const {
         return m_status;

src/rpcService/rpcServer.cpp

@@ -477,11 +477,12 @@ string RPCChannelProvider::PROVIDER_NAME("rpcService");
 Status RPCChannelProvider::noSuchChannelStatus(Status::STATUSTYPE_ERROR, "no such channel");
 
 
-RPCServer::RPCServer()
+RPCServer::RPCServer(const Configuration::const_shared_pointer &conf)
     :m_channelProviderImpl(new RPCChannelProvider)
 {
     ChannelProvider::shared_pointer prov(new RPCChannelProvider);
     m_serverContext = ServerContext::create(ServerContext::Config()
+                                            .config(conf)
                                             .provider(m_channelProviderImpl));
 }