-/* 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");
- INFO2("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_process_sleep (sleep_start_time);
- for (i = 0; i < number_of_tasks; i++)
- {
- char mailbox[256];
- char sprintf_buffer[256];
-
- sprintf(mailbox,"receiver-%ld",i % receivers_count);
+ msg_task_t task = NULL;
+ MSG_process_sleep(sleep_start_time);
+ 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=MSG_task_isend(task, mailbox);
- INFO2("Send to receiver-%ld Task_%d",i % receivers_count,i);
-
- if(sleep_test_time == 0)
- {
- MSG_comm_wait(comm,-1);
- }
- else
- {
- while(MSG_comm_test(comm) == 0){
- MSG_process_sleep (sleep_test_time);
- };
- MSG_comm_destroy(comm);
+ comm = MSG_task_isend(task, mailbox);
+ XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
+
+ if (sleep_test_time == 0) {
+ MSG_comm_wait(comm, -1);
+ } else {
+ while (MSG_comm_test(comm) == 0) {
+ MSG_process_sleep(sleep_test_time);
+ };
}
-
+ MSG_comm_destroy(comm);
}
- for (i = 0; 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);
+ sprintf(mailbox, "receiver-%ld", i % receivers_count);
+ task = MSG_task_create("finalize", 0, 0, 0);
comm = MSG_task_isend(task, mailbox);
- INFO1("Send to receiver-%ld finalize",i % receivers_count);
- if(sleep_test_time == 0)
- {
- MSG_comm_wait(comm,-1);
+ XBT_INFO("Send to receiver-%ld finalize", i % receivers_count);
+ if (sleep_test_time == 0) {
+ MSG_comm_wait(comm, -1);
+ } else {
+ while (MSG_comm_test(comm) == 0) {
+ MSG_process_sleep(sleep_test_time);
+ };
}
- else
- {
- while(MSG_comm_test(comm) == 0){
- MSG_process_sleep (sleep_test_time);
- };
- MSG_comm_destroy(comm);
- }
-
+ MSG_comm_destroy(comm);
}
- 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[])
{
- 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]);
- INFO2("sleep_start_time : %f , sleep_test_time : %f",sleep_start_time,sleep_test_time);
-
- xbt_assert1(sscanf(argv[1],"%d", &id),
- "Invalid argument %s\n",argv[1]);
-
- MSG_process_sleep (sleep_start_time);
-
- sprintf(mailbox,"receiver-%d",id);
- while(1) {
- res_irecv = MSG_task_irecv(&(task), mailbox);
- INFO0("Wait to receive a task");
-
- if(sleep_test_time == 0)
- {
- res = MSG_comm_wait(res_irecv,-1);
- xbt_assert0(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);
+ 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);
+
+ XBT_ATTRIB_UNUSED int read;
+ read = sscanf(argv[1], "%d", &id);
+ xbt_assert(read, "Invalid argument %s\n", argv[1]);
+
+ MSG_process_sleep(sleep_start_time);
+
+ sprintf(mailbox, "receiver-%d", id);
+ while (1) {
+ res_irecv = MSG_task_irecv(&(task), mailbox);
+ XBT_INFO("Wait to receive a task");
+
+ if (sleep_test_time == 0) {
+ res = MSG_comm_wait(res_irecv, -1);
+ 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);
- INFO1("Received \"%s\"", MSG_task_get_name(task));
- if (!strcmp(MSG_task_get_name(task),"finalize")) {
- MSG_task_destroy(task);
- break;
+ XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
+ if (!strcmp(MSG_task_get_name(task), "finalize")) {
+ MSG_task_destroy(task);
+ break;
}
- INFO1("Processing \"%s\"", MSG_task_get_name(task));
+ XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
MSG_task_execute(task);
- INFO1("\"%s\" done", MSG_task_get_name(task));
+ XBT_INFO("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
}
- INFO0("I'm done. See you!");
+ 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();
-
- INFO1("Simulation time %g",MSG_get_clock());
- return res;
-} /* end_of_test_all */
+ 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]);
-/** Main function */
-int main(int argc, char *argv[])
-{
- MSG_error_t res = MSG_OK;
+ MSG_function_register("sender", sender);
+ MSG_function_register("receiver", receiver);
+ MSG_launch_application(argv[2]);
- 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]);
- SIMIX_message_sizes_output("toto.txt");
- MSG_clean();
-
- if(res==MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
+ res = MSG_main();
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
+
+ return res != MSG_OK;
+}
