-/* Copyright (c) 2010. The SimGrid Team.
+/* 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 <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 */
-#include <math.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");
+#include "simgrid/msg.h"
-int sender(int argc, char *argv[]);
-int receiver(int argc, char *argv[]);
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
-MSG_error_t test_all(const char *platform_file,
- const char *application_file);
+/** @addtogroup MSG_examples
+ *
+ * - <b>msg/icomms/peer3.c</b>: demonstrates the @ref MSG_comm_waitany function
+ */
-/** Sender function */
-int sender(int argc, char *argv[])
+static int sender(int argc, char *argv[])
{
- long number_of_tasks = atol(argv[1]);
- double task_comp_size = atof(argv[2]);
- double task_comm_size = atof(argv[3]);
- long receivers_count = atol(argv[4]);
- int diff_com = atol(argv[5]);
+ 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");
+ int diff_com = xbt_str_parse_int(argv[5], "Invalid value for diff_comm: %s");
double coef = 0;
- xbt_dynar_t d = NULL;
+ xbt_dynar_t d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
int i;
- m_task_t task = NULL;
+ msg_task_t task;
char mailbox[256];
char sprintf_buffer[256];
- d = xbt_dynar_new(sizeof(msg_comm_t), NULL);
- msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
- msg_comm_t res_irecv = NULL;
- for (i = 0; i < (number_of_tasks); i++) {
- task = NULL;
+ msg_comm_t comm;
+
+ for (i = 0; i < number_of_tasks; i++) {
if (diff_com == 0)
coef = 1;
else
task =
MSG_task_create(sprintf_buffer, task_comp_size,
task_comm_size / coef, NULL);
- comm[i] = MSG_task_isend(task, mailbox);
- xbt_dynar_push_as(d, msg_comm_t, comm[i]);
- INFO3("Send to receiver-%ld %s comm_size %f", i % receivers_count,
- sprintf_buffer, task_comm_size / coef);
+ comm = MSG_task_isend(task, mailbox);
+ xbt_dynar_push_as(d, msg_comm_t, comm);
+ XBT_INFO("Send to receiver-%ld %s comm_size %f", i % receivers_count, sprintf_buffer, task_comm_size / coef);
}
/* Here we are waiting for the completion of all communications */
- while (d->used) {
- xbt_dynar_remove_at(d, MSG_comm_waitany(d), &res_irecv);
- MSG_comm_destroy(res_irecv);
+ while (!xbt_dynar_is_empty(d)) {
+ xbt_dynar_remove_at(d, MSG_comm_waitany(d), &comm);
+ MSG_comm_destroy(comm);
}
xbt_dynar_free(&d);
- xbt_free(comm);
/* Here we are waiting for the completion of all tasks */
sprintf(mailbox, "finalize");
+ msg_comm_t res_irecv;
+ XBT_ATTRIB_UNUSED msg_error_t res_wait;
for (i = 0; i < receivers_count; i++) {
task = NULL;
- res_irecv = NULL;
res_irecv = MSG_task_irecv(&(task), mailbox);
- xbt_assert0(MSG_comm_wait(res_irecv, -1) == MSG_OK,
- "MSG_comm_wait failed");
+ res_wait = MSG_comm_wait(res_irecv, -1);
+ xbt_assert(res_wait == MSG_OK, "MSG_comm_wait failed");
+ MSG_comm_destroy(res_irecv);
MSG_task_destroy(task);
}
- INFO0("Goodbye now!");
+ XBT_INFO("Goodbye now!");
return 0;
-} /* end_of_sender */
+}
-/** Receiver function */
-int receiver(int argc, char *argv[])
+static int receiver(int argc, char *argv[])
{
int id = -1;
- int i;
char mailbox[80];
- xbt_dynar_t comms = NULL;
- int tasks = atof(argv[2]);
- comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ int tasks = xbt_str_parse_int(argv[2], "Invalid amount of tasks: %s");
+ msg_task_t *task = xbt_new(msg_task_t, tasks);
- xbt_assert1(sscanf(argv[1], "%d", &id),
- "Invalid argument %s\n", argv[1]);
+ XBT_ATTRIB_UNUSED int read;
+ read = sscanf(argv[1], "%d", &id);
+ xbt_assert(read, "Invalid argument %s\n", argv[1]);
sprintf(mailbox, "receiver-%d", id);
MSG_process_sleep(10);
- msg_comm_t res_irecv = NULL;
- m_task_t task = NULL;
- m_task_t task_com = NULL;
- for (i = 0; i < tasks; i++) {
- INFO1("Wait to receive task %d", i);
- res_irecv = MSG_task_irecv(&task, mailbox);
+ msg_comm_t res_irecv;
+ for (int i = 0; i < tasks; i++) {
+ XBT_INFO("Wait to receive task %d", i);
+ task[i] = NULL;
+ res_irecv = MSG_task_irecv(&task[i], mailbox);
xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
- task = NULL;
- res_irecv = NULL;
}
/* Here we are waiting for the receiving of all communications */
- while (comms->used) {
- task_com = NULL;
- res_irecv = NULL;
- MSG_error_t err = MSG_OK;
- int num = MSG_comm_waitany(comms);
- xbt_dynar_remove_at(comms, num, &res_irecv);
+ msg_task_t task_com;
+ while (!xbt_dynar_is_empty(comms)) {
+ XBT_ATTRIB_UNUSED msg_error_t err;
+ xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
task_com = MSG_comm_get_task(res_irecv);
MSG_comm_destroy(res_irecv);
- INFO1("Processing \"%s\"", MSG_task_get_name(task_com));
+ XBT_INFO("Processing \"%s\"", MSG_task_get_name(task_com));
MSG_task_execute(task_com);
- INFO1("\"%s\" done", MSG_task_get_name(task_com));
+ XBT_INFO("\"%s\" done", MSG_task_get_name(task_com));
err = MSG_task_destroy(task_com);
- xbt_assert0(err == MSG_OK, "MSG_task_destroy failed");
+ xbt_assert(err == MSG_OK, "MSG_task_destroy failed");
}
xbt_dynar_free(&comms);
+ xbt_free(task);
/* Here we tell to sender that all tasks are done */
sprintf(mailbox, "finalize");
res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
MSG_comm_wait(res_irecv, -1);
- INFO0("I'm done. See you!");
+ MSG_comm_destroy(res_irecv);
+ XBT_INFO("I'm done. See you!");
return 0;
-} /* end_of_receiver */
+}
-/** Test function */
-MSG_error_t test_all(const char *platform_file,
- const char *application_file)
+int main(int argc, char *argv[])
{
- MSG_error_t res = MSG_OK;
+ msg_error_t res = MSG_OK;
- /* MSG_config("workstation/model","KCCFLN05"); */
- { /* Simulation setting */
- MSG_set_channel_number(0);
- MSG_create_environment(platform_file);
- }
- { /* Application deployment */
- MSG_function_register("sender", sender);
- MSG_function_register("receiver", receiver);
- MSG_launch_application(application_file);
- }
- res = MSG_main();
+ 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]);
- INFO1("Simulation time %g", MSG_get_clock());
- return res;
-} /* end_of_test_all */
+ MSG_create_environment(argv[1]);
+ MSG_function_register("sender", sender);
+ MSG_function_register("receiver", receiver);
+ MSG_launch_application(argv[2]);
-/** Main function */
-int main(int argc, char *argv[])
-{
- MSG_error_t res = MSG_OK;
+ res = MSG_main();
- MSG_global_init(&argc, argv);
- if (argc < 3) {
- printf("Usage: %s platform_file deployment_file\n", argv[0]);
- printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
- exit(1);
- }
- res = test_all(argv[1], argv[2]);
- MSG_clean();
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}
