X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1b4dc02411d79e4c367d331b85c1b295ec41edff..1ff90bc7103df77877d6860f1f117425afe1a516:/examples/deprecated/msg/platform-failures/platform-failures.c

diff --git a/examples/deprecated/msg/platform-failures/platform-failures.c b/examples/deprecated/msg/platform-failures/platform-failures.c
new file mode 100644
index 0000000000..0520e7d3fe
--- /dev/null
+++ b/examples/deprecated/msg/platform-failures/platform-failures.c
@@ -0,0 +1,155 @@
+/* Copyright (c) 2007-2019. 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"
+
+#include <stdio.h> /* snprintf */
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+
+#define FINALIZE ((void*)221297)        /* a magic number to tell people to stop working */
+
+static int master(int argc, char *argv[])
+{
+  long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
+  double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
+  double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
+  long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s");
+
+  XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks);
+
+  for (int i = 0; i < number_of_tasks; i++) {
+    char mailbox[256];
+    snprintf(mailbox, 255, "worker-%ld", i % workers_count);
+    XBT_INFO("Send a message to %s", mailbox);
+    msg_task_t task = MSG_task_create("Task", task_comp_size, task_comm_size, xbt_new0(double, 1));
+    *((double *) task->data) = MSG_get_clock();
+
+    switch ( MSG_task_send_with_timeout(task,mailbox,10.0) ) {
+    case MSG_OK:
+      XBT_INFO("Send to %s completed", mailbox);
+      break;
+
+    case MSG_HOST_FAILURE:
+      XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
+      free(task->data);
+      MSG_task_destroy(task);
+      return 0;
+
+    case MSG_TRANSFER_FAILURE:
+      XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox);
+      free(task->data);
+      MSG_task_destroy(task);
+      break;
+
+    case MSG_TIMEOUT:
+      XBT_INFO ("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox);
+      free(task->data);
+      MSG_task_destroy(task);
+      break;
+
+    default:
+      xbt_die( "Unexpected behavior");
+    }
+  }
+
+  XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over.");
+  for (int i = 0; i < workers_count; i++) {
+    char mailbox[256];
+    snprintf(mailbox, 255, "worker-%ld", i % workers_count);
+    msg_task_t task = MSG_task_create("finalize", 0, 0, FINALIZE);
+
+    switch (MSG_task_send_with_timeout(task,mailbox,1.0)) {
+    case MSG_HOST_FAILURE:
+      XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
+      MSG_task_destroy(task);
+      break;
+
+    case MSG_TRANSFER_FAILURE:
+      XBT_INFO("Mmh. Can't reach '%s'! Nevermind. Let's keep going!", mailbox);
+      MSG_task_destroy(task);
+      break;
+
+    case MSG_TIMEOUT:
+      XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox);
+      MSG_task_destroy(task);
+      break;
+
+    case MSG_OK:
+      /* nothing */
+      break;
+
+    default:
+      xbt_die("Unexpected behavior with '%s'", mailbox);
+    }
+  }
+
+  XBT_INFO("Goodbye now!");
+  return 0;
+}
+
+static int worker(int argc, char *argv[])
+{
+  char mailbox[80];
+
+  long id= xbt_str_parse_int(argv[1], "Invalid argument %s");
+
+  snprintf(mailbox, 79,"worker-%ld", id);
+
+  while (1) {
+    msg_task_t task = NULL;
+    XBT_INFO("Waiting a message on %s", mailbox);
+    int retcode = MSG_task_receive( &(task), mailbox);
+    if (retcode == MSG_OK) {
+      if (MSG_task_get_data(task) == FINALIZE) {
+        MSG_task_destroy(task);
+        break;
+      }
+      XBT_INFO("Start execution...");
+      retcode = MSG_task_execute(task);
+      if (retcode == MSG_OK) {
+        XBT_INFO("Execution complete.");
+        free(task->data);
+        MSG_task_destroy(task);
+      } else if (retcode == MSG_HOST_FAILURE) {
+        XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
+        free(task->data);
+        MSG_task_destroy(task);
+        return 0;
+      } else {
+        XBT_INFO("Hey ?! What's up ? ");
+        xbt_die("Unexpected behavior");
+      }
+    } else if (retcode == MSG_HOST_FAILURE) {
+      XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
+      return 0;
+    } else if (retcode == MSG_TRANSFER_FAILURE) {
+      XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
+    } else {
+      xbt_die("Unexpected behavior");
+    }
+  }
+  XBT_INFO("I'm done. See you!");
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+  MSG_init(&argc, argv);
+  xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
+             "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
+
+  MSG_create_environment(argv[1]);
+
+  MSG_function_register("master", master);
+  MSG_function_register("worker", worker);
+  MSG_launch_application(argv[2]);
+
+  msg_error_t res = MSG_main();
+
+  XBT_INFO("Simulation time %g", MSG_get_clock());
+
+  return res != MSG_OK;
+}