X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/876f943a0fe261de4baddbcc99d044ce0abc05ac..804984d2554e37c85236d342355a266945c4fd9a:/examples/msg/masterslave/masterslave_forwarder.c diff --git a/examples/msg/masterslave/masterslave_forwarder.c b/examples/msg/masterslave/masterslave_forwarder.c index bd26a6f282..74e385806f 100644 --- a/examples/msg/masterslave/masterslave_forwarder.c +++ b/examples/msg/masterslave/masterslave_forwarder.c @@ -1,55 +1,45 @@ -/* $Id$ */ - -/* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */ +/* Copyright (c) 2007-2015. 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 */ - -/* 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 master(int argc, char *argv[]); -int slave(int argc, char *argv[]); -int forwarder(int argc, char *argv[]); -MSG_error_t test_all(const char *platform_file, const char *application_file); +XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example"); -typedef enum { - PORT_22 = 0, - MAX_CHANNEL -} channel_t; +/** @addtogroup MSG_examples + * + * - masterslave/masterslave_forwarder.c: Master/slaves example. This good old example is also very simple. Its + * basic version is fully commented on this page: \ref MSG_ex_master_slave, but several variants can be found in the + * same directory. + */ -#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */ +#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */ /** Emitter function */ -int master(int argc, char *argv[]) +static int master(int argc, char *argv[]) { int slaves_count = 0; - m_host_t *slaves = NULL; - m_task_t *todo = NULL; + msg_host_t *slaves = NULL; + msg_task_t *todo = NULL; int number_of_tasks = 0; double task_comp_size = 0; double task_comm_size = 0; - int i; - xbt_assert1(sscanf(argv[1],"%d", &number_of_tasks), - "Invalid argument %s\n",argv[1]); - xbt_assert1(sscanf(argv[2],"%lg", &task_comp_size), - "Invalid argument %s\n",argv[2]); - xbt_assert1(sscanf(argv[3],"%lg", &task_comm_size), - "Invalid argument %s\n",argv[3]); + XBT_ATTRIB_UNUSED int res = sscanf(argv[1], "%d", &number_of_tasks); + xbt_assert(res,"Invalid argument %s\n", argv[1]); + res = sscanf(argv[2], "%lg", &task_comp_size); + xbt_assert(res, "Invalid argument %s\n", argv[2]); + res = sscanf(argv[3], "%lg", &task_comm_size); + xbt_assert(res, "Invalid argument %s\n", argv[3]); - { /* Task creation */ + { /* Task creation */ char sprintf_buffer[64]; - todo = calloc(number_of_tasks, sizeof(m_task_t)); + todo = xbt_new0(msg_task_t, number_of_tasks); for (i = 0; i < number_of_tasks; i++) { sprintf(sprintf_buffer, "Task_%d", i); @@ -57,170 +47,131 @@ int master(int argc, char *argv[]) } } - { /* Process organisation */ + { /* Process organization */ slaves_count = argc - 4; - slaves = calloc(slaves_count, sizeof(m_host_t)); - + slaves = xbt_new0(msg_host_t, slaves_count); + for (i = 4; i < argc; i++) { - slaves[i-4] = MSG_get_host_by_name(argv[i]); - if(slaves[i-4]==NULL) { - INFO1("Unknown host %s. Stopping Now! ", argv[i]); - abort(); - } + slaves[i - 4] = MSG_host_by_name(argv[i]); + xbt_assert(slaves[i - 4] != NULL, "Unknown host %s. Stopping Now! ", argv[i]); } } - INFO1("Got %d slave(s) :", slaves_count); + XBT_INFO("Got %d slaves and %d tasks to process", slaves_count, number_of_tasks); for (i = 0; i < slaves_count; i++) - INFO1("%s", slaves[i]->name); - - INFO1("Got %d task to process :", number_of_tasks); - - for (i = 0; i < number_of_tasks; i++) - INFO1("\"%s\"", todo[i]->name); + XBT_DEBUG("%s", MSG_host_get_name(slaves[i])); for (i = 0; i < number_of_tasks; i++) { - INFO2("Sending \"%s\" to \"%s\"", - todo[i]->name, - slaves[i % slaves_count]->name); - if(MSG_host_self()==slaves[i % slaves_count]) { - INFO0("Hey ! It's me ! :)"); + XBT_INFO("Sending \"%s\" to \"%s\"", todo[i]->name, MSG_host_get_name(slaves[i % slaves_count])); + if (MSG_host_self() == slaves[i % slaves_count]) { + XBT_INFO("Hey ! It's me ! :)"); } - MSG_task_put(todo[i], slaves[i % slaves_count], - PORT_22); - INFO0("Send completed"); + MSG_task_send(todo[i], MSG_host_get_name(slaves[i % slaves_count])); + XBT_INFO("Sent"); } - - INFO0("All tasks have been dispatched. Let's tell everybody the computation is over."); - for (i = 0; i < slaves_count; i++) - MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE), - slaves[i], PORT_22); - - INFO0("Goodbye now!"); + + XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over."); + for (i = 0; i < slaves_count; i++) { + msg_task_t finalize = MSG_task_create("finalize", 0, 0, FINALIZE); + MSG_task_send(finalize, MSG_host_get_name(slaves[i])); + } + + XBT_INFO("Goodbye now!"); free(slaves); free(todo); return 0; -} /* end_of_master */ +} -/** Receiver function */ -int slave(int argc, char *argv[]) +static int slave(int argc, char *argv[]) { - while(1) { - m_task_t task = NULL; - int a; - a = MSG_task_get(&(task), PORT_22); - if (a == MSG_OK) { - INFO1("Received \"%s\"", MSG_task_get_name(task)); - if(MSG_task_get_data(task)==FINALIZE) { - MSG_task_destroy(task); - break; - } - INFO1("Processing \"%s\"", MSG_task_get_name(task)); - MSG_task_execute(task); - INFO1("\"%s\" done", MSG_task_get_name(task)); + msg_task_t task = NULL; + XBT_ATTRIB_UNUSED int res; + while (1) { + res = MSG_task_receive(&(task),MSG_host_get_name(MSG_host_self())); + xbt_assert(res == MSG_OK, "MSG_task_get failed"); + + XBT_INFO("Received \"%s\"", MSG_task_get_name(task)); + if (!strcmp(MSG_task_get_name(task), "finalize")) { MSG_task_destroy(task); - } else { - INFO0("Hey ?! What's up ? "); - xbt_assert0(0,"Unexpected behavior"); + break; } + + XBT_INFO("Processing \"%s\"", MSG_task_get_name(task)); + MSG_task_execute(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_slave */ +} -/** Forwarder function */ -int forwarder(int argc, char *argv[]) +static int forwarder(int argc, char *argv[]) { int i; int slaves_count; - m_host_t *slaves; + msg_host_t *slaves; - { /* Process organisation */ + { /* Process organization */ slaves_count = argc - 1; - slaves = calloc(slaves_count, sizeof(m_host_t)); - + slaves = xbt_new0(msg_host_t, slaves_count); + for (i = 1; i < argc; i++) { - slaves[i-1] = MSG_get_host_by_name(argv[i]); - if(slaves[i-1]==NULL) { - INFO1("Unknown host %s. Stopping Now! ", argv[i]); - abort(); + slaves[i - 1] = MSG_host_by_name(argv[i]); + if (slaves[i - 1] == NULL) { + XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]); + abort(); } } } - i=0; - while(1) { - m_task_t task = NULL; + i = 0; + while (1) { + msg_task_t task = NULL; int a; - a = MSG_task_get(&(task), PORT_22); + a = MSG_task_receive(&(task),MSG_host_get_name(MSG_host_self())); if (a == MSG_OK) { - INFO1("Received \"%s\"", MSG_task_get_name(task)); - if(MSG_task_get_data(task)==FINALIZE) { - INFO0("All tasks have been dispatched. Let's tell everybody the computation is over."); - for (i = 0; i < slaves_count; i++) - MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE), - slaves[i], PORT_22); - MSG_task_destroy(task); - break; + XBT_INFO("Received \"%s\"", MSG_task_get_name(task)); + if (MSG_task_get_data(task) == FINALIZE) { + XBT_INFO("All tasks have been dispatched. Let's tell everybody the computation is over."); + for (i = 0; i < slaves_count; i++) + MSG_task_send(MSG_task_create("finalize", 0, 0, FINALIZE), MSG_host_get_name(slaves[i])); + MSG_task_destroy(task); + break; } - INFO2("Sending \"%s\" to \"%s\"", - MSG_task_get_name(task), - slaves[i% slaves_count]->name); - MSG_task_put(task, slaves[i % slaves_count], - PORT_22); + XBT_INFO("Sending \"%s\" to \"%s\"", MSG_task_get_name(task), MSG_host_get_name(slaves[i % slaves_count])); + MSG_task_send(task, MSG_host_get_name(slaves[i % slaves_count])); i++; } else { - INFO0("Hey ?! What's up ? "); - xbt_assert0(0,"Unexpected behavior"); + XBT_INFO("Hey ?! What's up ? "); + xbt_die("Unexpected behavior"); } } + xbt_free(slaves); - INFO0("I'm done. See you!"); + XBT_INFO("I'm done. See you!"); return 0; -} /* end_of_forwarder */ +} -/** 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("surf_workstation_model","KCCFLN05"); */ - { /* Simulation setting */ - MSG_set_channel_number(MAX_CHANNEL); - MSG_paje_output("msg_test.trace"); - MSG_create_environment(platform_file); - } - { /* Application deployment */ - MSG_function_register("master", master); - MSG_function_register("slave", slave); - MSG_function_register("forwarder", forwarder); - 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("master", master); + MSG_function_register("slave", slave); + MSG_function_register("forwarder", forwarder); + 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]); - 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; +}