Slaves try a bit harder to connect to the master

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@3756 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/examples/gras/pmm/pmm.c b/examples/gras/pmm/pmm.c
index 969fe85..12bc56f 100755 (executable)
--- a/examples/gras/pmm/pmm.c
+++ b/examples/gras/pmm/pmm.c
@@ -355,6 +355,7 @@ static int pmm_worker_cb(gras_msg_cb_ctx_t ctx, void *payload) {
 int slave(int argc,char *argv[]) {
   gras_socket_t mysock;
   gras_socket_t master;
+  int connected = 0;
 
   /* Init the GRAS's infrastructure */
   gras_init(&argc, argv);
@@ -366,9 +367,19 @@ int slave(int argc,char *argv[]) {
 
   /* Create the connexions */
   mysock = gras_socket_server_range(3000,9999,0,0);
-  gras_os_sleep(1); /* let the master get ready */
-  INFO1("Sensor starting (on port %d)",gras_os_myport());
-  master = gras_socket_client_from_string(argv[1]);
+  INFO1("Sensor starting (on port %d)",gras_os_myport());  
+  while (!connected) { 
+     xbt_ex_t e;
+     TRY {       
+       master = gras_socket_client_from_string(argv[1]);
+       connected = 1;
+     } CATCH(e) {
+       if (e.category != system_error)
+         RETHROW;
+       xbt_ex_free(e);
+       gras_os_sleep(0.5);
+     }
+  }
                                
   /* Join and run the group */
   amok_pm_group_join(master,"pmm");