Receive and send messages

server.cpp

@@ -6,7 +6,6 @@
 #include <thread>
 #include <future>
 #include <functional>
-#include <strings.h>
 #include <unistd.h>
 #include <json/json.h>
 #include <iostream>
@@ -91,15 +90,7 @@ namespace Yc {
             }
             int flags = 1;
             setsockopt(userSock, IPPROTO_TCP, TCP_NODELAY, (void *)&flags, sizeof(flags));
-            std::string msg("");
-            char buffer[256];
-            bzero(buffer, 256);
-            while (int received = recv(userSock, buffer, 255, 0) > 0) {
-                msg += std::string(buffer);
-                if (received < 255) {
-                    break;
-                }
-            }
+            std::string msg = readSocket(userSock);
             if (msg == "") {
                 return;
             }
@@ -107,11 +98,7 @@ namespace Yc {
         }
 
         void Server::inputSwitcher(int userSocket, std::string input) {
-            Json::Value inputTree;
-            Json::CharReaderBuilder rbuilder;
-            std::unique_ptr<Json::CharReader> const reader(rbuilder.newCharReader());
-            JSONCPP_STRING inputJsonString(input);
-            reader->parse(inputJsonString.data(), inputJsonString.data() + inputJsonString.size(), &inputTree, NULL);
+            Json::Value inputTree = getJsonTree(input);
             if (inputTree["type"] == "init") {
                 initUser(userSocket, inputTree);
             }
@@ -128,6 +115,10 @@ namespace Yc {
 
         void Server::initUser(int userSocket, Json::Value data) {
             if (userExists(data["name"].asString())) {
+                Json::Value errorJson;
+                errorJson["type"] = User::error;
+                errorJson["message"] = "loggedin";
+                send(userSocket, errorJson);
                 close(userSocket);
                 return;
             }