Changeset 676 for trunk/user/tcp_client

Timestamp:

Nov 20, 2020, 12:11:35 AM (4 years ago)

Author:

alain

Message:

Introduce chat application to test the named pipes.

File:

• trunk/user/tcp_client/tcp_client.c (modified) (8 diffs)

trunk/user/tcp_client/tcp_client.c

@@ -39 +39 @@
         size = get_string( buffer , BUF_SIZE );
 
-/*
-        strcpy( buffer , "blip\n" );
-        printf("%s", buffer ); 
-        size = 5;
-
-        if( send( fdid , buffer , size , 0 ) != size )
-        {
-            printf("\n[server] chat error : cannotl sent message\n");
-            return;
-        }
-*/
-
         // exit chat function when local message is the "exit" string
         if( strncmp( "exit" , buffer , 4 ) == 0 )
         {
+            printf("\n[tcp_client stop] local message is <exit> => return to main\n" );
             return;
         }
@@ -62 +51 @@
         if( nbytes != size )
         {
-            printf("\n[server] send error => chat return to main\n");
+            printf("\n[tcp_client error] cannot send => return to main\n");
             return;
         }
@@ -70 +59 @@
 
         // receive server message
-        nbytes =recv ( fdid, buffer, BUF_SIZE, 0 );
+        nbytes = recv( fdid , buffer , BUF_SIZE , 0 );
 
         if( nbytes < 0 )
         {
-            printf("\n\n[server] receive error => return to main\n" );
+            printf("\n\n[tcp_client error] cannot receive => return to main\n" );
             return;
         }
         else if( nbytes == 0 )
         {
-            printf("\n\n[server] receive EOF => return to main\n" );
+            printf("\n\n[tcp_client stop] receive EOF => return to main\n" );
             return;
         }
@@ -105 +94 @@
     // get  start cycle
     get_cycle( &start_cycle );
-    printf("\n[client] starts at cycle %d\n", (unsigned int)start_cycle );
+    printf("\n[tcp_client] starts at cycle %d\n", (unsigned int)start_cycle );
 
     pid = getpid();
@@ -116 +105 @@
     if( fdid < 0 )
     {
-        printf("\n[client error] cannot create socket\n");
+        printf("\n[tcp_client error] cannot create socket\n");
         exit( 0 );
     }
     else
     {
-        printf("\n[client] created socket[%x,%d]\n", pid, fdid );
+        printf("\n[tcp_client] created socket[%x,%d]\n", pid, fdid );
     }
 
@@ -134 +123 @@
     if( error )
     {
-        printf("\n[client error] bind failure on socketi[%x,%d]\n", pid, fdid );
+        printf("\n[tcp_client error] bind failure on socketi[%x,%d]\n", pid, fdid );
         exit( 0 );
     }
 
-    printf("\n[client] socket[%x,%d] bound : [%x,%x]\n",
+    printf("\n[tcp_client] socket[%x,%d] bound : [%x,%x]\n",
     pid, fdid, client_sin.sin_addr, (unsigned int)client_sin.sin_port );
 
@@ -151 +140 @@
     if( error )
     {
-        printf("\n[client error] connect failure on socket[%x,%d]\n", pid, fdid );
+        printf("\n[tcp_client error] connect failure on socket[%x,%d]\n", pid, fdid );
         exit( 0 );
     }
 
-    printf("\n[client] socket[%x,%d] connected to server [%x,%x]\n",
+    printf("\n[tcp_client] socket[%x,%d] connected to server [%x,%x]\n",
     pid, fdid, server_sin.sin_addr, server_sin.sin_port );
 
@@ -164 +153 @@
     close( fdid );
 
-    printf("\n[client] closed socket[%x,%d]\n", pid, fdid );
+    printf("\n[tcp_client] closed socket[%x,%d]\n", pid, fdid );
 
     exit(0);