X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/33d399c1fa8847652ab2698ed6d7263bccb17447..0c2ff3268deebf7a4ccc059a3142ca129353f9e2:/examples/gras/mmrpc/mmrpc_client.c

diff --git a/examples/gras/mmrpc/mmrpc_client.c b/examples/gras/mmrpc/mmrpc_client.c
index 4f52086002..897959b3ea 100644
--- a/examples/gras/mmrpc/mmrpc_client.c
+++ b/examples/gras/mmrpc/mmrpc_client.c
@@ -13,86 +13,93 @@
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(MatMult);
 
-int client(int argc,char *argv[]) {
-  xbt_ex_t e; 
-  gras_socket_t toserver=NULL; /* peer */
+int client(int argc, char *argv[])
+{
+  xbt_ex_t e;
+  gras_socket_t toserver = NULL;        /* peer */
+  int connected = 0;
 
   gras_socket_t from;
   xbt_matrix_t request[2], answer;
 
-  int i,j;
+  int i, j;
 
   const char *host = "127.0.0.1";
-        int   port = 4000;
+  int port = 4000;
 
   /* 1. Init the GRAS's infrastructure */
   gras_init(&argc, argv);
-   
+
   /* 2. Get the server's address. The command line override defaults when specified */
   if (argc == 3) {
-    host=argv[1];
-    port=atoi(argv[2]);
-  } 
-
-  INFO2("Launch client (server on %s:%d)",host,port);
-   
-  /* 3. Wait for the server startup */
-  gras_os_sleep(1);
-   
-  /* 4. Create a socket to speak to the server */
-  TRY {
-    toserver=gras_socket_client(host,port);
-  } CATCH(e) {
-    RETHROW0("Unable to connect to the server: %s");
+    host = argv[1];
+    port = atoi(argv[2]);
+  }
+
+  INFO2("Launch client (server on %s:%d)", host, port);
+
+  /* 3. Create a socket to speak to the server */
+  while (!connected) {
+    TRY {
+      toserver = gras_socket_client(host, port);
+      connected = 1;
+    }
+    CATCH(e) {
+      if (e.category != system_error)
+        RETHROW0("Unable to connect to the server: %s");
+      xbt_ex_free(e);
+      gras_os_sleep(0.05);
+    }
   }
-  INFO2("Connected to %s:%d.",host,port);    
+  INFO2("Connected to %s:%d.", host, port);
 
 
-  /* 5. Register the messages (before use) */
+  /* 4. Register the messages (before use) */
   mmrpc_register_messages();
 
-  /* 6. Keep the user informed of what's going on */
-  INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<", 
-	gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
+  /* 5. Keep the user informed of what's going on */
+  INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
+        gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
 
-  /* 7. Prepare and send the request to the server */
+  /* 6. Prepare and send the request to the server */
 
-  request[0] = xbt_matrix_double_new_id(MATSIZE,MATSIZE);
-  request[1] = xbt_matrix_double_new_rand(MATSIZE,MATSIZE);
+  request[0] = xbt_matrix_double_new_id(MATSIZE, MATSIZE);
+  request[1] = xbt_matrix_double_new_rand(MATSIZE, MATSIZE);
 
   /*
-  xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
-  xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
-  */
+     xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
+     xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
+   */
 
   gras_msg_send(toserver, "request", &request);
 
   xbt_matrix_free(request[0]);
 
   INFO2(">>>>>>>> Request sent to %s:%d <<<<<<<<",
-	gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
+        gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
 
-  /* 8. Wait for the answer from the server, and deal with issues */
-  gras_msg_wait(6000,"answer",&from,&answer);
+  /* 7. Wait for the answer from the server, and deal with issues */
+  gras_msg_wait(6000, "answer", &from, &answer);
 
   /*
-  xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
-  */
-  for (i=0; i<MATSIZE; i++) 
-    for (j=0; i<MATSIZE; i++) 
-      xbt_assert4(xbt_matrix_get_as(answer,i,j,double)==xbt_matrix_get_as(request[1],i,j,double),
-		  "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
-		  xbt_matrix_get_as(answer,i,j,double),i,j,
-		  xbt_matrix_get_as(request[1],i,j,double));
-
-  /* 9. Keep the user informed of what's going on, again */
-  INFO2(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<", 
-	gras_socket_peer_name(from),gras_socket_peer_port(from));
-
-  /* 10. Free the allocated resources, and shut GRAS down */
+     xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
+   */
+  for (i = 0; i < MATSIZE; i++)
+    for (j = 0; i < MATSIZE; i++)
+      xbt_assert4(xbt_matrix_get_as(answer, i, j, double) ==
+                  xbt_matrix_get_as(request[1], i, j, double),
+                  "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
+                  xbt_matrix_get_as(answer, i, j, double), i, j,
+                  xbt_matrix_get_as(request[1], i, j, double));
+
+  /* 8. Keep the user informed of what's going on, again */
+  INFO2(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<",
+        gras_socket_peer_name(from), gras_socket_peer_port(from));
+
+  /* 9. Free the allocated resources, and shut GRAS down */
   xbt_matrix_free(request[1]);
   xbt_matrix_free(answer);
   gras_socket_close(toserver);
   gras_exit();
   return 0;
-} /* end_of_client */
+}                               /* end_of_client */