X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cc01c6a871dbbfd0cc84e26eb9f94aeb539e613e..417742f1c7f6545db82079acd702fde03547d400:/examples/msg/icomms/peer.c diff --git a/examples/msg/icomms/peer.c b/examples/msg/icomms/peer.c old mode 100755 new mode 100644 index ccf0ac425d..feb2564f0f --- a/examples/msg/icomms/peer.c +++ b/examples/msg/icomms/peer.c @@ -1,41 +1,39 @@ -/* 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 -#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: + * + * - msg/icomms/peer.c: 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_task_t task = NULL; MSG_process_sleep(sleep_start_time); for (i = 0; i < number_of_tasks; i++) { char mailbox[256]; @@ -44,11 +42,9 @@ int sender(int argc, char *argv[]) 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); - INFO2("Send to receiver-%ld Task_%d", i % receivers_count, i); + XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i); if (sleep_test_time == 0) { MSG_comm_wait(comm, -1); @@ -56,9 +52,8 @@ int sender(int argc, char *argv[]) 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++) { @@ -66,111 +61,86 @@ int sender(int argc, char *argv[]) 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); + 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); }; - 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); + 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_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]); 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"); + XBT_INFO("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"); + 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); - INFO1("Received \"%s\"", MSG_task_get_name(task)); + 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(); + 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]); - SIMIX_message_sizes_output("toto.txt"); - 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; +}