X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/90c67c5606b33791cc39883c5061e385a2a3ff33..2a5be1efbd30fcf80a06645c196fcec50b19e665:/examples/msg/async-waitall/async-waitall.c

diff --git a/examples/msg/async-waitall/async-waitall.c b/examples/msg/async-waitall/async-waitall.c
new file mode 100644
index 0000000000..8a0759eae9
--- /dev/null
+++ b/examples/msg/async-waitall/async-waitall.c
@@ -0,0 +1,105 @@
+/* Copyright (c) 2010-2015. 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(msg_test, "Messages specific for this msg example");
+
+/** @addtogroup MSG_examples
+ * 
+ * - <b>msg/icomms/peer2.c</b>: demonstrates the @ref MSG_comm_waitall function
+ */
+
+static int sender(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 receivers_count = xbt_str_parse_int(argv[4], "Invalid amount of receivers: %s");
+
+  msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
+  int i;
+  msg_task_t task = NULL;
+  for (i = 0; i < number_of_tasks; i++) {
+    char mailbox[256];
+    char sprintf_buffer[256];
+    sprintf(mailbox, "receiver-%ld", i % receivers_count);
+    sprintf(sprintf_buffer, "Task_%d", i);
+    task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
+    comm[i] = MSG_task_isend(task, mailbox);
+    XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
+  }
+  for (i = 0; i < receivers_count; i++) {
+    char mailbox[80];
+    sprintf(mailbox, "receiver-%ld", i % receivers_count);
+    task = MSG_task_create("finalize", 0, 0, 0);
+    comm[i + number_of_tasks] = MSG_task_isend(task, mailbox);
+    XBT_INFO("Send to receiver-%ld finalize", i % receivers_count);
+  }
+
+  /* Here we are waiting for the completion of all communications */
+  MSG_comm_waitall(comm, (number_of_tasks + receivers_count), -1);
+  for (i = 0; i < number_of_tasks + receivers_count; i++)
+    MSG_comm_destroy(comm[i]);
+
+  XBT_INFO("Goodbye now!");
+  xbt_free(comm);
+  return 0;
+}
+
+static int receiver(int argc, char *argv[])
+{
+  msg_task_t task = NULL;
+  XBT_ATTRIB_UNUSED msg_error_t res;
+  int id = -1;
+  char mailbox[80];
+  msg_comm_t res_irecv;
+  XBT_ATTRIB_UNUSED int read;
+  read = sscanf(argv[1], "%d", &id);
+  xbt_assert(read, "Invalid argument %s\n", argv[1]);
+  MSG_process_sleep(10);
+  sprintf(mailbox, "receiver-%d", id);
+  while (1) {
+    res_irecv = MSG_task_irecv(&(task), mailbox);
+    XBT_INFO("Wait to receive a task");
+    res = MSG_comm_wait(res_irecv, -1);
+    MSG_comm_destroy(res_irecv);
+    xbt_assert(res == MSG_OK, "MSG_task_get failed");
+    XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
+    if (!strcmp(MSG_task_get_name(task), "finalize")) {
+      MSG_task_destroy(task);
+      break;
+    }
+
+    XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
+    MSG_task_execute(task);
+    XBT_INFO("\"%s\" done", MSG_task_get_name(task));
+    MSG_task_destroy(task);
+    task = NULL;
+  }
+  XBT_INFO("I'm done. See you!");
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+  msg_error_t res = MSG_OK;
+
+  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("sender", sender);
+  MSG_function_register("receiver", receiver);
+  MSG_launch_application(argv[2]);
+
+  res = MSG_main();
+
+  XBT_INFO("Simulation time %g", MSG_get_clock());
+
+  return res != MSG_OK;
+}