tcp client resolve mdns

lib/socketserver/GwTcpClient.h

@@ -1,33 +1,48 @@
 #pragma once
 #include "GwSocketConnection.h"
 #include "GwChannelInterface.h"
+#include "GwSynchronized.h"
 class GwTcpClient : public GwChannelInterface
 {
+    class ResolvedAddress{
+        public:
+            IPAddress address;
+            bool resolved=false;
+    };
     static const unsigned long CON_TIMEOUT=10000;
     GwSocketConnection *connection = NULL;
     String remoteAddress;
+    ResolvedAddress resolvedAddress;
     uint16_t port = 0;
     unsigned long connectStart=0;
     GwLog *logger;
     int sourceId;
     bool configured=false;
     String error;
+    SemaphoreHandle_t locker;
 
 public:
     typedef enum
     {
         C_DISABLED = 0,
         C_INITIALIZED = 1,
-        C_CONNECTING = 2,
-        C_CONNECTED = 3
+        C_RESOLVING = 2,
+        C_RESOLVED = 3,
+        C_CONNECTING = 4,
+        C_CONNECTED = 5
     } State;
 
 private:
+
     State state = C_DISABLED;
     void stop();
+    void startResolving();
     void startConnection();
     void checkConnection();
     bool hasConfig();
+    void resolveHost(String host);
+    void setResolved(IPAddress addr, bool valid);
+    ResolvedAddress getResolved();
 
 public:
     GwTcpClient(GwLog *logger);