X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/84da52b43d6e8ab3b470f764fed326209239676b..1bdbe2db10271b1d1948e1ee0382abcfe622a991:/examples/msg/token_ring/ring_call.c diff --git a/examples/msg/token_ring/ring_call.c b/examples/msg/token_ring/ring_call.c index 2c17529ae8..bc270cd1ac 100644 --- a/examples/msg/token_ring/ring_call.c +++ b/examples/msg/token_ring/ring_call.c @@ -1,170 +1,73 @@ -/* Copyright (c) 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2008-2015. 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 -#include "msg/msg.h" -#include "surf/surf_private.h" +#include "simgrid/msg.h" -extern routing_global_t global_routing; -int totalHosts= 0; -const m_host_t *hosts; +XBT_LOG_NEW_DEFAULT_CATEGORY(ring, "Messages specific for this msg example"); -int master(int argc, char *argv[]); -int slave(int argc, char *argv[]); +/** @addtogroup MSG_examples + * + * @section MSG_ex_apps Examples of full applications + * + * - token_ring/ring_call.c: Classical token ring communication, where a token is exchanged along a ring to + * reach every participant. + */ -XBT_LOG_NEW_DEFAULT_CATEGORY(ring, - "Messages specific for this msg example"); - -int master(int argc, char *argv[]) -{ - m_task_t task_s = NULL; - m_task_t task_r = NULL; - unsigned int task_comp_size = 50000000; - unsigned int task_comm_size = 1000000; - char mailbox[80]; - char buffer[20]; - int num = atoi(argv[1]); - - sprintf(mailbox, "host%d", num+1); - if(num == totalHosts-1) - sprintf(mailbox, "host%d", 0); - sprintf(buffer, "Token"); - - task_s = MSG_task_create(buffer, - task_comp_size, - task_comm_size, - NULL); - MSG_task_send(task_s,mailbox); - MSG_process_sleep(1); - //MSG_comm_wait(comm, -1); - INFO1("Send Data to \"%s\"", mailbox); - - sprintf(mailbox, "host%d", num); - MSG_task_receive(&(task_r), mailbox); - //res = MSG_comm_wait(res_irecv, -1); - INFO1("Received \"%s\"", MSG_task_get_name(task_r)); - //MSG_comm_destroy(res_irecv); - return 0; -} - -int slave(int argc, char *argv[]) +static int host(int argc, char *argv[]) { - m_task_t task_s = NULL; - m_task_t task_r = NULL; - unsigned int task_comp_size = 50000000; - unsigned int task_comm_size = 1000000; - char mailbox[80]; - char buffer[20]; - int num = atoi(argv[1]); - - sprintf(mailbox, "host%d", num); - MSG_task_receive(&(task_r), mailbox); - //res = MSG_comm_wait(res_irecv, -1); - INFO1("Received \"%s\"", MSG_task_get_name(task_r)); - MSG_process_sleep(1); - //MSG_comm_destroy(res_irecv); - //Receive something now need to tell it! - - sprintf(mailbox, "host%d", num+1); - if(num == totalHosts-1) - sprintf(mailbox, "host%d", 0); - sprintf(buffer, "Token"); - task_s = MSG_task_create(buffer, - task_comp_size, - task_comm_size, - NULL); - MSG_task_send(task_s, mailbox); - //MSG_comm_wait(comm, -1); - INFO1("Send Data to \"%s\"", mailbox); - - return 0; -} - -static int surf_parse_bypass_application(void) -{ - int i; - static int AX_ptr; - static int surfxml_bufferstack_size = 2048; - static int surfxml_buffer_stack_stack_ptr = 0; - static int surfxml_buffer_stack_stack[1024]; - /* allocating memory to the buffer, I think 2MB should be enough */ - surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size); - - totalHosts = MSG_get_host_number(); - hosts = MSG_get_host_table(); - - /* */ - SURFXML_BUFFER_SET(platform_version, "3"); - - SURFXML_START_TAG(platform); - - DEBUG1("process : %s en master",MSG_host_get_name(hosts[0])); - /* */ - SURFXML_BUFFER_SET(process_host, MSG_host_get_name(hosts[0])); - SURFXML_BUFFER_SET(process_function, "master"); - SURFXML_BUFFER_SET(process_start_time, "-1.0"); - SURFXML_BUFFER_SET(process_kill_time, "-1.0"); - SURFXML_START_TAG(process); - - /* */ - SURFXML_BUFFER_SET(argument_value, "0"); - SURFXML_START_TAG(argument); - SURFXML_END_TAG(argument); - SURFXML_END_TAG(process); - - for(i=1;i */ - SURFXML_BUFFER_SET(process_host,MSG_host_get_name(hosts[i]) ); - SURFXML_BUFFER_SET(process_function, "slave"); - SURFXML_BUFFER_SET(process_start_time, "-1.0"); - SURFXML_BUFFER_SET(process_kill_time, "-1.0"); - SURFXML_START_TAG(process); - - /* */ - SURFXML_BUFFER_SET(argument_value, bprintf("%d",i)); - SURFXML_START_TAG(argument); - SURFXML_END_TAG(argument); - SURFXML_END_TAG(process); - } - /* */ - SURFXML_END_TAG(platform); - - free(surfxml_bufferstack); - return 0; + unsigned int task_comp_size = 50000000; + unsigned int task_comm_size = 1000000; + int host_number = + xbt_str_parse_int(MSG_process_get_name(MSG_process_self()), "Process name must be an integer but is: %s"); + char mailbox[256]; + msg_task_t task = NULL; + XBT_ATTRIB_UNUSED int res; + if (host_number == 0){ //master send then receive + sprintf(mailbox, "%d", host_number+1); + task = MSG_task_create("Token", task_comp_size, task_comm_size, NULL); + XBT_INFO("Host \"%d\" send '%s' to Host \"%s\"",host_number,task->name,mailbox); + MSG_task_send(task, mailbox); + task = NULL; + res = MSG_task_receive(&(task), MSG_process_get_name(MSG_process_self())); + xbt_assert(res == MSG_OK, "MSG_task_get failed"); + XBT_INFO("Host \"%d\" received \"%s\"",host_number, MSG_task_get_name(task)); + MSG_task_destroy(task); + } else{ //slave receive then send + res = MSG_task_receive(&(task), MSG_process_get_name(MSG_process_self())); + xbt_assert(res == MSG_OK, "MSG_task_get failed"); + XBT_INFO("Host \"%d\" received \"%s\"",host_number, MSG_task_get_name(task)); + + if(host_number+1 == MSG_get_host_number()) + sprintf(mailbox, "0"); + else + sprintf(mailbox, "%d", host_number+1); + XBT_INFO("Host \"%d\" send '%s' to Host \"%s\"",host_number,task->name,mailbox); + MSG_task_send(task, mailbox); + } + return 0; } -typedef enum { - PORT_22 = 20, - MAX_CHANNEL -} channel_t; - int main(int argc, char **argv) { - int res; - MSG_global_init(&argc, argv); - MSG_set_channel_number(MAX_CHANNEL); + unsigned int i; + MSG_init(&argc, argv); MSG_create_environment(argv[1]); - - MSG_function_register("master", master); - MSG_function_register("slave", slave); - surf_parse = surf_parse_bypass_application; - MSG_launch_application(NULL); - - res = MSG_main(); - - INFO1("Simulation time %g", MSG_get_clock()); - - MSG_clean(); - - if (res == MSG_OK) - return 0; - else - return 1; - + xbt_dynar_t hosts = MSG_hosts_as_dynar(); + msg_host_t h; + MSG_function_register("host", host); + + XBT_INFO("Number of host '%d'",MSG_get_host_number()); + xbt_dynar_foreach (hosts, i, h){ + char* name_host = bprintf("%u",i); + MSG_process_create(name_host, host, NULL, h); + free(name_host); + } + xbt_dynar_free(&hosts); + + int res = MSG_main(); + XBT_INFO("Simulation time %g", MSG_get_clock()); + return res != MSG_OK; }