3 more renamed tests

[simgrid.git] / examples / msg / app-token-ring / app-token-ring.c

diff --git a/examples/msg/app-token-ring/app-token-ring.c b/examples/msg/app-token-ring/app-token-ring.c
new file mode 100644 (file)
index 0000000..4dc5d71
--- /dev/null
+++ b/examples/msg/app-token-ring/app-token-ring.c
@@ -0,0 +1,73 @@
+/* Copyright (c) 2008-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "simgrid/msg.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(ring, "Messages specific for this msg example");
+
+/** @addtogroup MSG_examples
+ * 
+ *  @section MSG_ex_apps Examples of full applications
+ * 
+ * - <b>token_ring/ring_call.c</b>: Classical token ring communication, where a token is exchanged along a ring to
+ *   reach every participant.
+ */
+
+static int host(int argc, char *argv[])
+{
+  unsigned int task_comp_size = 50000000;
+  unsigned int task_comm_size = 1000000;
+  int host_number =
+          xbt_str_parse_int(MSG_process_get_name(MSG_process_self()), "Process name must be an integer but is: %s");
+  char mailbox[256];
+  msg_task_t task = NULL;
+  XBT_ATTRIB_UNUSED int res;
+  if (host_number == 0){ //root: send then receive
+    sprintf(mailbox, "%d", host_number+1);
+    task = MSG_task_create("Token", task_comp_size, task_comm_size, NULL);
+    XBT_INFO("Host \"%d\" send '%s' to Host \"%s\"",host_number,task->name,mailbox);
+    MSG_task_send(task, mailbox);
+    task = NULL;
+    res = MSG_task_receive(&(task), MSG_process_get_name(MSG_process_self()));
+    xbt_assert(res == MSG_OK, "MSG_task_get failed");
+    XBT_INFO("Host \"%d\" received \"%s\"",host_number, MSG_task_get_name(task));
+    MSG_task_destroy(task);
+  } else{ // receive then send
+    res = MSG_task_receive(&(task), MSG_process_get_name(MSG_process_self()));
+    xbt_assert(res == MSG_OK, "MSG_task_get failed");
+    XBT_INFO("Host \"%d\" received \"%s\"",host_number, MSG_task_get_name(task));
+
+    if(host_number+1 == MSG_get_host_number())
+      sprintf(mailbox, "0");
+    else
+      sprintf(mailbox, "%d", host_number+1);
+    XBT_INFO("Host \"%d\" send '%s' to Host \"%s\"",host_number,task->name,mailbox);
+    MSG_task_send(task, mailbox);
+  }
+  return 0;
+}
+
+int main(int argc, char **argv)
+{
+  unsigned int i;
+  MSG_init(&argc, argv);
+  MSG_create_environment(argv[1]);
+  xbt_dynar_t hosts = MSG_hosts_as_dynar();
+  msg_host_t h;
+  MSG_function_register("host", host);
+
+  XBT_INFO("Number of host '%d'",MSG_get_host_number());
+  xbt_dynar_foreach (hosts, i, h){
+    char* name_host = bprintf("%u",i);
+    MSG_process_create(name_host, host, NULL, h);
+    free(name_host);
+  }
+  xbt_dynar_free(&hosts);
+
+  int res = MSG_main();
+  XBT_INFO("Simulation time %g", MSG_get_clock());
+  return res != MSG_OK;
+}