X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6d7f851f116cff677f5d5cb009aa493a7510780c..56d5fef422211eb776ae8d6205816d382e26ecec:/examples/msg/chainsend/broadcaster.c

diff --git a/examples/msg/chainsend/broadcaster.c b/examples/msg/chainsend/broadcaster.c
index e311175969..934e14a3d0 100644
--- a/examples/msg/chainsend/broadcaster.c
+++ b/examples/msg/chainsend/broadcaster.c
@@ -48,8 +48,7 @@ int broadcaster_build_chain(broadcaster_t bc)
       XBT_DEBUG("Building chain -- broadcaster:\"%s\" dest:\"%s\" prev:\"%s\" next:\"%s\"", me, current_host, prev, next);
     
       /* Send message to current peer */
-      task = task_message_chain_new(me, current_host, prev, next);
-      //MSG_task_set_category(task, current_host);
+      task = task_message_chain_new(me, current_host, prev, next, bc->piece_count);
       MSG_task_send(task, current_host);
 
       last = current_host;
@@ -62,55 +61,27 @@ int broadcaster_build_chain(broadcaster_t bc)
 int broadcaster_send_file(broadcaster_t bc)
 {
   const char *me = "host0"; /* FIXME: hardcoded*/ /*MSG_host_get_name(MSG_host_self());*/
-  msg_comm_t comm = NULL;
+  //msg_comm_t comm = NULL;
   msg_task_t task = NULL;
-  int status;
 
   bc->current_piece = 0;
 
   while (bc->current_piece < bc->piece_count) {
-    if (xbt_dynar_length(bc->pending_sends) < bc->max_pending_sends) {
-      task = task_message_data_new(me, bc->first, NULL, PIECE_SIZE);
-      XBT_DEBUG("Sending (isend) piece %d from %s into mailbox %s (current pending %d)", bc->current_piece, me, bc->first, xbt_dynar_length(bc->pending_sends));
-      comm = MSG_task_isend(task, bc->first);
-      queue_pending_connection(comm, bc->pending_sends);
-      bc->current_piece++;
-    } else {
-      MSG_process_sleep(0.01);
-    }
-    process_pending_connections(bc->pending_sends);
+    task = task_message_data_new(me, bc->first, NULL, PIECE_SIZE);
+    XBT_DEBUG("Sending (send) piece %d from %s into mailbox %s", bc->current_piece, me, bc->first);
+    MSG_task_send(task, bc->first);
+    bc->current_piece++;
   }
 
   return MSG_OK;
 }
 
-int broadcaster_finish(broadcaster_t bc)
-{
-  msg_task_t task = NULL;
-  const char *me = "host0"; /* FIXME: hardcoded*/ /*MSG_host_get_name(MSG_host_self());*/
-  const char *current_host = NULL;
-  char **cur = NULL;
-
-  xbt_dynar_iterator_seek(bc->it, 0);
-
-  /* Send goodbye message to every peer in the order generated by iterator it */
-  for (cur = (char**)xbt_dynar_iterator_next(bc->it); cur != NULL; cur = (char**)xbt_dynar_iterator_next(bc->it)) {
-    /* Send message to current peer */
-    current_host = *cur;
-    task = task_message_end_data_new(me, current_host);
-    //MSG_task_set_category(task, current_host);
-    MSG_task_send(task, current_host);
-  }
-
-  return MSG_OK;
-}
-
-broadcaster_t broadcaster_init(xbt_dynar_t host_list)
+broadcaster_t broadcaster_init(xbt_dynar_t host_list, unsigned int piece_count)
 {
   int status;
   broadcaster_t bc = xbt_new(s_broadcaster_t, 1);
 
-  bc->piece_count = PIECE_COUNT;
+  bc->piece_count = piece_count;
   bc->current_piece = 0;
   bc->host_list = host_list;
   bc->it = xbt_dynar_iterator_new(bc->host_list, forward_indices_list);
@@ -128,7 +99,8 @@ static void broadcaster_destroy(broadcaster_t bc)
   /* Destroy iterator and hostlist */
   xbt_dynar_iterator_delete(bc->it);
   xbt_dynar_free(&bc->pending_sends);
-  xbt_dynar_free(&bc->host_list);
+  xbt_dynar_free(&bc->host_list); /* FIXME: host names are not free'd */
+  xbt_free(bc);
 }
 
 /** Emitter function  */
@@ -136,19 +108,25 @@ int broadcaster(int argc, char *argv[])
 {
   broadcaster_t bc = NULL;
   xbt_dynar_t host_list = NULL;
-  const char *first = NULL;
   int status;
+  unsigned int piece_count = PIECE_COUNT;
 
-  XBT_INFO("broadcaster");
+  XBT_DEBUG("broadcaster");
 
   /* Add every mailbox given by the hostcount in argv[1] to a dynamic array */
   host_list = build_hostlist_from_hostcount(atoi(argv[1]));
-  
-  bc = broadcaster_init(host_list);
+
+  /* argv[2] is the number of pieces */
+  if (argc > 2) {
+    piece_count = atoi(argv[2]);
+    XBT_DEBUG("piece_count set to %d", piece_count);
+  } else {
+    XBT_DEBUG("No piece_count specified, defaulting to %d", piece_count);
+  }
+  bc = broadcaster_init(host_list, piece_count);
 
   /* TODO: Error checking */
   status = broadcaster_send_file(bc);
-  status = broadcaster_finish(bc);
 
   broadcaster_destroy(bc);