-/* Copyright (c) 2010-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2010-2022. 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 "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
-#include "xbt/sysdep.h" /* calloc, printf */
+#include "simgrid/msg.h"
-/* 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");
+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[]);
-
-/** Emitter function */
-int master(int argc, char *argv[])
+static int master(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
{
double task_comp_size = 5E7;
double task_comm_size = 1E6;
- double timeout = 1;
-
- char mailbox[256];
- msg_task_t task = NULL;
- msg_comm_t comm = NULL;
- xbt_ex_t ex;
-
- sprintf(mailbox, "jupi");
+ double timeout = 1;
- task = MSG_task_create("normal", task_comp_size, task_comm_size, NULL);
- XBT_INFO("Sending task: \"%s\"", task->name);
- MSG_task_send_with_timeout(task, mailbox, timeout);
+ msg_task_t task = MSG_task_create("normal", task_comp_size, task_comm_size, NULL);
+ XBT_INFO("Sending task: \"%s\"", MSG_task_get_name(task));
+ MSG_task_send_with_timeout(task, "worker_mailbox", timeout);
task = MSG_task_create("cancel directly", task_comp_size, task_comm_size, NULL);
- XBT_INFO("Canceling task \"%s\" directly", task->name);
+ XBT_INFO("Canceling task \"%s\" directly", MSG_task_get_name(task));
MSG_task_cancel(task);
MSG_task_destroy(task);
task = MSG_task_create("destroy directly", task_comp_size, task_comm_size, NULL);
- XBT_INFO("Destroying task \"%s\" directly", task->name);
+ XBT_INFO("Destroying task \"%s\" directly", MSG_task_get_name(task));
MSG_task_destroy(task);
- task = MSG_task_create("cancel", task_comp_size, task_comm_size, NULL);
- comm = MSG_task_isend(task, mailbox);
- XBT_INFO("Canceling task \"%s\" during comm", task->name);
+ task = MSG_task_create("cancel", task_comp_size, task_comm_size, NULL);
+ msg_comm_t comm = MSG_task_isend(task, "worker_mailbox");
+ XBT_INFO("Canceling task \"%s\" during comm", MSG_task_get_name(task));
MSG_task_cancel(task);
- TRY {
- MSG_comm_wait(comm, -1);
- }
- CATCH (ex) {
- xbt_ex_free(ex);
+ if (MSG_comm_wait(comm, -1) != MSG_OK)
MSG_comm_destroy(comm);
- }
MSG_task_destroy(task);
task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
- comm = MSG_task_isend(task, mailbox);
- XBT_INFO("Destroying task \"%s\" during comm", task->name);
+ comm = MSG_task_isend(task, "worker_mailbox");
+ XBT_INFO("Destroying task \"%s\" during comm", MSG_task_get_name(task));
MSG_task_destroy(task);
- TRY {
- MSG_comm_wait(comm, -1);
- }
- CATCH (ex) {
- xbt_ex_free(ex);
+ if (MSG_comm_wait(comm, -1) != MSG_OK)
MSG_comm_destroy(comm);
- }
task = MSG_task_create("cancel", task_comp_size, task_comm_size, NULL);
- MSG_task_send_with_timeout(task, mailbox, timeout);
+ MSG_task_send_with_timeout(task, "worker_mailbox", timeout);
task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
- MSG_task_send_with_timeout(task, mailbox, timeout);
+ MSG_task_send_with_timeout(task, "worker_mailbox", timeout);
XBT_INFO("Goodbye now!");
return 0;
-} /* end_of_master */
+}
-static int worker_main(int argc, char *argv[])
+static int worker_main(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
{
- msg_task_t task = MSG_process_get_data(MSG_process_self());
+ msg_task_t task = (msg_task_t)MSG_process_get_data(MSG_process_self());
msg_error_t res;
- XBT_INFO("Start %s", task->name);
+ XBT_INFO("Start %s", MSG_task_get_name(task));
res = MSG_task_execute(task);
XBT_INFO("Task %s", res == MSG_OK ? "done" : "failed");
MSG_task_destroy(task);
return 0;
}
-/** Receiver function */
-int slave(int argc, char *argv[])
+static int worker(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
{
- msg_task_t task;
- XBT_ATTRIB_UNUSED int res;
- int id = -1;
- char mailbox[80];
- double start, end;
- sprintf(mailbox, "jupi");
-
while (1) {
- task = NULL;
- res = MSG_task_receive(&(task), mailbox);
- xbt_assert(res == MSG_OK, "MSG_task_get failed");
+ msg_task_t task = NULL;
+ xbt_assert(MSG_task_receive(&(task), "worker_mailbox") == MSG_OK, "MSG_task_receive failed");
XBT_INFO("Handling task \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
- XBT_INFO("Destroying task \"%s\"", task->name);
+ XBT_INFO("Destroying task \"%s\"", MSG_task_get_name(task));
MSG_task_destroy(task);
break;
}
if (!strcmp(MSG_task_get_name(task), "cancel")) {
MSG_process_create("worker1", worker_main, task, MSG_host_self());
MSG_process_sleep(0.1);
- XBT_INFO("Canceling task \"%s\"", task->name);
+ XBT_INFO("Canceling task \"%s\"", MSG_task_get_name(task));
MSG_task_cancel(task);
continue;
}
- start = MSG_get_clock();
+ double start = MSG_get_clock();
MSG_task_execute(task);
- end = MSG_get_clock();
- XBT_INFO("Task \"%s\" done in %f (amount %f)"
- , MSG_task_get_name(task)
- , end - start
- , MSG_task_get_flops_amount(task));
+ double end = MSG_get_clock();
+ XBT_INFO("Task \"%s\" done in %f (amount %f)", MSG_task_get_name(task), end - start,
+ MSG_task_get_flops_amount(task));
MSG_task_destroy(task);
- task = NULL;
- id--;
}
XBT_INFO("I'm done. See you!");
return 0;
-} /* end_of_slave */
+}
-/** Main function */
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
{
- msg_error_t res;
- const char *platform_file;
- const char *application_file;
-
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]);
-
- platform_file = argv[1];
- application_file = argv[2];
-
- { /* Simulation setting */
- MSG_create_environment(platform_file);
- }
- { /* Application deployment */
- MSG_function_register("master", master);
- MSG_function_register("slave", slave);
+ xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s platform.xml\n", argv[0], argv[0]);
- MSG_launch_application(application_file);
- }
- res = MSG_main();
+ MSG_create_environment(argv[1]);
+
+ MSG_process_create("master", master, NULL, MSG_get_host_by_name("Tremblay"));
+ MSG_process_create("worker", worker, NULL, MSG_get_host_by_name("Jupiter"));
+
+ msg_error_t res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());
return res != MSG_OK;
-} /* end_of_main */
+}
