keep track of recv/send bytes

Common/GmshSocket.h

@@ -98,6 +98,8 @@ class GmshSocket{
   int _sock;
   // the socket name
   std::string _sockname;
+  // statistics
+  unsigned long int _sent, _received;
   // send some data over the socket
   int _SendData(const void *buffer, int bytes)
   {
@@ -110,6 +112,7 @@ class GmshSocket{
       sofar += len;
       remaining -= len;
     } while(remaining > 0);
+    _sent += bytes;
     return bytes;
   }
   // receive some data over the socket
@@ -125,6 +128,7 @@ class GmshSocket{
       sofar += len;
       remaining -= len;
     } while(remaining > 0);
+    _received += bytes;
     return bytes;
   }
   // utility function to swap bytes in an array
@@ -149,7 +153,7 @@ class GmshSocket{
 #endif
   }
  public:
-  GmshSocket() : _sock(0)
+  GmshSocket() : _sock(0), _sent(0), _received(0)
   {
 #if defined(WIN32) && !defined(__CYGWIN__)
     WSADATA wsaData;
@@ -250,6 +254,8 @@ class GmshSocket{
     shutdown(s, SHUT_RDWR);
 #endif
   }
+  unsigned long int SentBytes(){ return _sent; }
+  unsigned long int ReceivedBytes(){ return _received; }
 };
 
 class GmshClient : public GmshSocket {