fix HG_Init() arguments for clients

- makes cci/tcp work correctly with margo examples

examples/client-timeout.c

@@ -47,6 +47,7 @@ int main(int argc, char **argv)
     hg_class_t *hg_class;
     hg_addr_t svr_addr = HG_ADDR_NULL;
     hg_handle_t handle;
+    char proto[12] = {0};
       
     if(argc != 2)
     {
@@ -56,11 +57,13 @@ int main(int argc, char **argv)
    
     /* boilerplate HG initialization steps */
     /***************************************/
-    /* NOTE: the reason for passing in the server address into HG_Init() on
-     * the client is just to make sure that Mercury initializes the right
-     * transport.
+    
+    /* initialize Mercury using the transport portion of the destination
+     * address (i.e., the part before the first : character if present)
      */
-    hg_class = HG_Init(argv[1], HG_FALSE);
+    for(i=0; i<11 && argv[1][i] != '\0' && argv[1][i] != ':'; i++)
+        proto[i] = argv[1][i];
+    hg_class = HG_Init(proto, HG_FALSE);
     if(!hg_class)
     {
         fprintf(stderr, "Error: HG_Init()\n");

examples/client.c

@@ -47,6 +47,7 @@ int main(int argc, char **argv)
     hg_class_t *hg_class;
     hg_addr_t svr_addr = HG_ADDR_NULL;
     hg_handle_t handle;
+    char proto[12] = {0};
   
     if(argc != 2)
     {
@@ -56,11 +57,13 @@ int main(int argc, char **argv)
        
     /* boilerplate HG initialization steps */
     /***************************************/
-    /* NOTE: the reason for passing in the server address into HG_Init() on
-     * the client is just to make sure that Mercury initializes the right
-     * transport.
+
+    /* initialize Mercury using the transport portion of the destination
+     * address (i.e., the part before the first : character if present)
      */
-    hg_class = HG_Init(argv[1], HG_FALSE);
+    for(i=0; i<11 && argv[1][i] != '\0' && argv[1][i] != ':'; i++)
+        proto[i] = argv[1][i];
+    hg_class = HG_Init(proto, HG_FALSE);
     if(!hg_class)
     {
         fprintf(stderr, "Error: HG_Init()\n");

examples/sleep.c

@@ -54,11 +54,11 @@ int main(int argc, char **argv)
 
     /* boilerplate HG initialization steps */
     /***************************************/
-    hg_class = HG_Init("tcp://localhost:1234", HG_FALSE);
+    hg_class = HG_Init("tcp", HG_FALSE);
     if(!hg_class)
     {
         /* if tcp didn't work, try sm */
-        hg_class = HG_Init("sm://13/13", HG_FALSE);
+        hg_class = HG_Init("sm", HG_FALSE);
         if(!hg_class)
         {
             fprintf(stderr, "Error: HG_Init()\n");