From 03a8f40048341b03dc7d8e321ca89d0209c306fc Mon Sep 17 00:00:00 2001
From: Maximiliano Geier <maximiliano.geier@loria.fr>
Date: Fri, 7 Dec 2012 14:38:03 +0100
Subject: [PATCH] chainsend: add number of pieces as parameter of the
 broadcaster

---
 examples/msg/chainsend/broadcaster.c | 16 ++++++++++++----
 examples/msg/chainsend/broadcaster.h |  2 +-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/examples/msg/chainsend/broadcaster.c b/examples/msg/chainsend/broadcaster.c
index c87efc96bc..85e5ca152d 100644
--- a/examples/msg/chainsend/broadcaster.c
+++ b/examples/msg/chainsend/broadcaster.c
@@ -104,12 +104,12 @@ int broadcaster_finish(broadcaster_t bc)
   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);
@@ -136,13 +136,21 @@ int broadcaster(int argc, char *argv[])
   broadcaster_t bc = NULL;
   xbt_dynar_t host_list = NULL;
   int status;
+  unsigned int piece_count = PIECE_COUNT;
 
   XBT_INFO("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);
diff --git a/examples/msg/chainsend/broadcaster.h b/examples/msg/chainsend/broadcaster.h
index e0c026c040..3760973d78 100644
--- a/examples/msg/chainsend/broadcaster.h
+++ b/examples/msg/chainsend/broadcaster.h
@@ -33,7 +33,7 @@ typedef struct s_broadcaster {
 xbt_dynar_t build_hostlist_from_hostcount(int hostcount); 
 
 /* Broadcaster: helper functions */
-broadcaster_t broadcaster_init(xbt_dynar_t host_list);
+broadcaster_t broadcaster_init(xbt_dynar_t host_list, unsigned int piece_count);
 int broadcaster_build_chain(broadcaster_t bc);
 int broadcaster_send_file(broadcaster_t bc);
 int broadcaster_finish(broadcaster_t bc);
-- 
2.20.1