-/* 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 "simgrid/msg.h" /* Yeah! If you want to use msg, you need to 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 sender(int argc, char *argv[]);
-int receiver(int argc, char *argv[]);
+/** @addtogroup MSG_examples
+ *
+ * @section MSG_ex_icomms Asynchronous communications
+ *
+ * There is several examples of asynchronous communications coming in
+ * the archive. In addition to the fully documented example \ref
+ * MSG_ex_asynchronous_communications, there is several other
+ * examples in the archive:
+ *
+ * - <b>msg/icomms/peer.c</b>: basic example of async functions (@ref MSG_task_isend, @ref MSG_task_irecv, @ref MSG_comm_wait)
+ */
-MSG_error_t test_all(const char *platform_file,
- const char *application_file);
-
-/** 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]);
- double sleep_start_time = atof(argv[5]);
- double sleep_test_time = atof(argv[6]);
+ 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 compute 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");
+ double sleep_start_time = xbt_str_parse_double(argv[5], "Invalid sleep start time: %s");
+ double sleep_test_time = xbt_str_parse_double(argv[6], "Invalid test time: %s");
- XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time,
- sleep_test_time);
+ XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time, sleep_test_time);
msg_comm_t comm = NULL;
int i;
- m_task_t task = NULL;
+ msg_task_t task = NULL;
MSG_process_sleep(sleep_start_time);
for (i = 0; i < number_of_tasks; i++) {
char mailbox[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);
+ task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
comm = MSG_task_isend(task, mailbox);
XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
while (MSG_comm_test(comm) == 0) {
MSG_process_sleep(sleep_test_time);
};
- MSG_comm_destroy(comm);
}
-
+ MSG_comm_destroy(comm);
}
for (i = 0; i < receivers_count; i++) {
while (MSG_comm_test(comm) == 0) {
MSG_process_sleep(sleep_test_time);
};
- MSG_comm_destroy(comm);
}
-
+ MSG_comm_destroy(comm);
}
XBT_INFO("Goodbye now!");
return 0;
-} /* end_of_sender */
+}
-/** Receiver function */
-int receiver(int argc, char *argv[])
+static int receiver(int argc, char *argv[])
{
- m_task_t task = NULL;
- MSG_error_t res;
+ msg_task_t task = NULL;
+ XBT_ATTRIB_UNUSED msg_error_t res;
int id = -1;
char mailbox[80];
msg_comm_t res_irecv;
- double sleep_start_time = atof(argv[2]);
- double sleep_test_time = atof(argv[3]);
- XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time,
- sleep_test_time);
+ double sleep_start_time = xbt_str_parse_double(argv[2], "Invalid sleep start parameter: %s");
+ double sleep_test_time = xbt_str_parse_double(argv[3], "Invalid sleep test parameter: %s");
+ XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time, sleep_test_time);
- int read;
+ XBT_ATTRIB_UNUSED int read;
read = sscanf(argv[1], "%d", &id);
- xbt_assert1(read,
- "Invalid argument %s\n", argv[1]);
+ xbt_assert(read, "Invalid argument %s\n", argv[1]);
MSG_process_sleep(sleep_start_time);
if (sleep_test_time == 0) {
res = MSG_comm_wait(res_irecv, -1);
- xbt_assert0(res == MSG_OK, "MSG_task_get failed");
+ xbt_assert(res == MSG_OK, "MSG_task_get failed");
} else {
while (MSG_comm_test(res_irecv) == 0) {
MSG_process_sleep(sleep_test_time);
};
- MSG_comm_destroy(res_irecv);
}
+ MSG_comm_destroy(res_irecv);
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
}
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]);
- XBT_INFO("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;
+}