(split) Implemented request server version. Console application updated to provide the information.

src/cameo/Application.cpp

@@ -149,6 +149,9 @@ void This::initApplication(int argc, char *argv[]) {
 	// Create the request socket. The server endpoint has been defined.
 	Services::initRequestSocket();
 
+	// Retrieve the server version.
+	Services::retrieveServerVersion();
+
 	string nameId = tokens[3];
 
 	int index = nameId.find_last_of('.');

src/cameo/Server.cpp

@@ -53,6 +53,9 @@ Server::Server(const std::string& endpoint, int timeoutMs) :
 	// Create the request socket. The server endpoint has been defined.
 	Services::initRequestSocket();
 
+	// Retrieve the server version.
+	Services::retrieveServerVersion();
+
 	// Manage the ConnectionTimeout exception that can occur.
 	try {
 		// Start the event thread.

src/cameo/Services.cpp

@@ -33,6 +33,10 @@ Services::Services() :
 	m_port(0),
 	m_statusPort(0),
 	m_impl(nullptr) {
+
+	m_serverVersion[0] = 0;
+	m_serverVersion[1] = 0;
+	m_serverVersion[2] = 0;
 }
 
 Services::~Services() {
@@ -107,6 +111,20 @@ bool Services::isAvailable(int timeout) const {
 	return m_impl->isAvailable(m_requestSocket.get(), timeout);
 }
 
+void Services::retrieveServerVersion() {
+
+	// Get the version.
+	unique_ptr<zmq::message_t> reply = m_requestSocket->request(m_impl->createVersionRequest());
+
+	// Get the JSON response.
+	json::Object response;
+	json::parse(response, reply.get());
+
+	m_serverVersion[0] = response[message::VersionResponse::MAJOR].GetInt();
+	m_serverVersion[1] = response[message::VersionResponse::MINOR].GetInt();
+	m_serverVersion[2] = response[message::VersionResponse::REVISION].GetInt();
+}
+
 void Services::initStatus() {
 
 	// Get the status port.

src/cameo/Services.h

@@ -47,6 +47,7 @@ public:
 	const std::string& getStatusEndpoint() const;
 
 	bool isAvailable(int timeout) const;
+	void retrieveServerVersion();
 	void initStatus();
 	std::unique_ptr<EventStreamSocket> openEventStream();
 	std::unique_ptr<OutputStreamSocket> createOutputStreamSocket(int port);
@@ -54,6 +55,7 @@ public:
 	std::unique_ptr<RequestSocketImpl> createRequestSocket(const std::string& endpoint, int timeout);
 
 	std::string m_serverEndpoint;
+	int m_serverVersion[3];
 	std::string m_url;
 	int m_port;
 	int m_statusPort;

src/cameo/impl/ServicesImpl.cpp

@@ -62,6 +62,15 @@ std::string ServicesImpl::createSyncRequest() const {
 	return request.toString();
 }
 
+std::string ServicesImpl::createVersionRequest() const {
+
+	json::StringObject request;
+	request.pushKey(message::TYPE);
+	request.pushInt(message::IMPL_VERSION);
+
+	return request.toString();
+}
+
 std::string ServicesImpl::createIsAliveRequest(int id) const {
 
 	json::StringObject request;

src/cameo/impl/ServicesImpl.h

@@ -35,6 +35,7 @@ public:
 	int getTimeout() const;
 
 	std::string createSyncRequest() const;
+	std::string createVersionRequest() const;
 	std::string createStartRequest(const std::string& name, const std::vector<std::string> & args, const std::string& instanceReference) const;
 	std::string createStopRequest(int id) const;
 	std::string createKillRequest(int id) const;

src/cameo/message/Message.h

@@ -53,6 +53,7 @@ namespace message {
 	const int RESPONSE = 26;
 	const int STARTED_UNMANAGED = 27;
 	const int TERMINATED_UNMANAGED = 28;
+	const int IMPL_VERSION = 29;
 
 	namespace Event {
 		constexpr const char* CANCEL = "CANCEL";
@@ -234,6 +235,13 @@ namespace message {
 	namespace TerminatedUnmanagedRequest {
 		constexpr const char* ID = "id"; // required int32 id = 1;
 	}
+
+	namespace VersionResponse {
+		constexpr const char* MAJOR = "major";
+		constexpr const char* MINOR = "minor";
+		constexpr const char* REVISION = "revision";
+	}
+
 }
 
 }