From: Navarrop <Pierre.Navarro@imag.fr>
Date: Wed, 30 Nov 2011 15:52:09 +0000 (+0100)
Subject: Add a masterslave example with arguments
X-Git-Tag: exp_20120216~241^2~29
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/c1cb2509d6783e56d7334bb4872a1101318816f5

Add a masterslave example with arguments
number_of_jobs
number_of_slaves
---

diff --git a/examples/msg/masterslave/CMakeLists.txt b/examples/msg/masterslave/CMakeLists.txt
index dc90fe30c9..b6b352f84d 100644
--- a/examples/msg/masterslave/CMakeLists.txt
+++ b/examples/msg/masterslave/CMakeLists.txt
@@ -9,6 +9,7 @@ add_executable(masterslave_bypass "masterslave_bypass.c")
 add_executable(masterslave_console "masterslave_console.c")
 add_executable(masterslave_cluster "masterslave_cluster.c")
 add_executable(masterslave_kill "masterslave_kill.c")
+add_executable(masterslave_arg "masterslave_arg.c")
 
 ### Add definitions for compile
 if(WIN32)
@@ -18,6 +19,7 @@ target_link_libraries(masterslave_mailbox simgrid )
 target_link_libraries(masterslave_bypass simgrid )
 target_link_libraries(masterslave_console simgrid )
 target_link_libraries(masterslave_kill simgrid )
+target_link_libraries(masterslave_arg simgrid )
 else(WIN32)
 target_link_libraries(masterslave_forwarder simgrid m )
 target_link_libraries(masterslave_failure simgrid m )
@@ -25,5 +27,6 @@ target_link_libraries(masterslave_mailbox simgrid m )
 target_link_libraries(masterslave_bypass simgrid m )
 target_link_libraries(masterslave_console simgrid m )
 target_link_libraries(masterslave_kill simgrid m )
+target_link_libraries(masterslave_arg simgrid m )
 endif(WIN32)
 target_link_libraries(masterslave_cluster simgrid)
\ No newline at end of file
diff --git a/examples/msg/masterslave/masterslave_arg.c b/examples/msg/masterslave/masterslave_arg.c
new file mode 100644
index 0000000000..7ad5d0b624
--- /dev/null
+++ b/examples/msg/masterslave/masterslave_arg.c
@@ -0,0 +1,143 @@
+/* Copyright (c) 2010. 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 <stdio.h>
+#include "msg/msg.h"            /* Yeah! If you want to use msg, you need to include msg/msg.h */
+#include "xbt/sysdep.h"         /* calloc, printf */
+
+/* Create a log channel to have nice outputs. */
+#include "xbt/log.h"
+#include "xbt/asserts.h"
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
+                             "Messages specific for this msg example");
+
+int master(int argc, char *argv[]);
+int slave(int argc, char *argv[]);
+
+#define task_comp_size 50000000
+#define task_comm_size 1000000
+
+long number_of_jobs;
+long number_of_slaves;
+
+long my_random(long n) {
+  return n*(rand()/(RAND_MAX+1));
+}
+
+/** Emitter function  */
+int master(int argc, char *argv[])
+{
+  int i;
+
+  for (i = 1; i <= number_of_jobs; i++) {
+    char mailbox[256];
+    char sprintf_buffer[256];
+    m_task_t task = NULL;
+
+    sprintf(mailbox, "slave-%ld", i % number_of_slaves);
+    sprintf(sprintf_buffer, "Task_%d", i);
+    task =
+        MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
+                        NULL);
+    XBT_DEBUG("Sending \"%s\" (of %ld) to mailbox \"%s\"", task->name,
+          number_of_jobs, mailbox);
+
+    MSG_task_send(task, mailbox);
+  }
+
+  XBT_DEBUG
+      ("All tasks have been dispatched. Let's tell everybody the computation is over.");
+  for (i = 0; i < number_of_slaves; i++) {
+    char mailbox[80];
+
+    sprintf(mailbox, "slave-%ld", i % number_of_slaves);
+    m_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
+    MSG_task_send(finalize, mailbox);
+  }
+
+  XBT_DEBUG("Goodbye now!");
+  return 0;
+}                               /* end_of_master */
+
+/** Receiver function  */
+int slave(int argc, char *argv[])
+{
+  m_task_t task = NULL;
+  _XBT_GNUC_UNUSED int res;
+  int id = -1;
+
+  XBT_DEBUG("mailbox: %s",MSG_process_get_name(MSG_process_self()));
+  while (1) {
+    res = MSG_task_receive(&(task), MSG_process_get_name(MSG_process_self()));
+    xbt_assert(res == MSG_OK, "MSG_task_get failed");
+
+    XBT_DEBUG("Received \"%s\"", MSG_task_get_name(task));
+    if (!strcmp(MSG_task_get_name(task), "finalize")) {
+      MSG_task_destroy(task);
+      break;
+    }
+    XBT_DEBUG("Processing \"%s\"", MSG_task_get_name(task));
+    MSG_task_execute(task);
+    XBT_DEBUG("\"%s\" done", MSG_task_get_name(task));
+    MSG_task_destroy(task);
+    task = NULL;
+  }
+  XBT_DEBUG("I'm done. See you!");
+  return 0;
+}                               /* end_of_slave */                              /* end_of_test_all */
+
+/** Main function */
+int main(int argc, char *argv[])
+{
+  MSG_error_t res = MSG_OK;
+  long i;
+
+  MSG_global_init(&argc, argv);
+  if (argc < 4) {
+    printf("Usage: %s platform_file number_of_jobs number_of_slaves\n", argv[0]);
+    printf("example: %s msg_platform.xml 10 5\n", argv[0]);
+    exit(1);
+  }
+
+  MSG_set_channel_number(0);
+  MSG_function_register("master", master);
+  MSG_function_register("slave", slave);
+
+  MSG_create_environment(argv[1]);
+
+  number_of_jobs = atol(argv[2]);
+  number_of_slaves = atol(argv[3]);
+
+  XBT_INFO("Got %ld slaves, %ld tasks to process, and %d hosts", number_of_slaves, number_of_jobs,MSG_get_host_number());
+
+  m_host_t *host_table =  MSG_get_host_table();
+
+  MSG_process_create( "master",
+                      master,
+                      NULL,
+                      host_table[my_random(number_of_slaves)]
+                      );
+
+  for(i = 0 ; i<number_of_slaves; i++)
+  {
+      MSG_process_create(bprintf("slave-%ld",i),
+                          slave,
+                          NULL,
+                          host_table[my_random(number_of_slaves)]
+                          );
+  }
+
+  res = MSG_main();
+
+  XBT_INFO("Simulation time %g", MSG_get_clock());
+
+  MSG_clean();
+
+  if (res == MSG_OK)
+    return 0;
+  else
+    return 1;
+}                               /* end_of_main */