X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1bfdc9a38c22af6a9becf133be154a2fa2bc6589..b5b953be4c43bad172a39f8917200ed84b534ec5:/examples/msg/actions/actions.c diff --git a/examples/msg/actions/actions.c b/examples/msg/actions/actions.c index af24651272..df86b80081 100644 --- a/examples/msg/actions/actions.c +++ b/examples/msg/actions/actions.c @@ -1,43 +1,30 @@ -/* Copyright (c) 2009-2014. The SimGrid Team. +/* Copyright (c) 2009-2015. 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" /* Yeah! If you want to use msg, you need to include msg/msg.h */ +#include "simgrid/msg.h" #include "simgrid/simix.h" /* semaphores for the barrier */ -#include "xbt.h" /* calloc, printf */ -#include "instr/instr_private.h" #include /** @addtogroup MSG_examples * * @section MSG_ex_actions Trace driven simulations * - * The actions/actions.c example demonstrates how to run trace-driven simulations. It - * is very handy when you want to test an algorithm or protocol that - * does nothing unless it receives some events from outside. For - * example, a P2P protocol reacts to requests from the user, but - * does nothing if there is no such event. + * The actions/actions.c example demonstrates how to run trace-driven simulations. It is very handy when you + * want to test an algorithm or protocol that does nothing unless it receives some events from outside. For example, + * a P2P protocol reacts to requests from the user, but does nothing if there is no such event. * - * In such situations, SimGrid allows to write your protocol in your - * C file, and the events to react to in a separate text file. - * Declare a function handling each of the events that you want to - * accept in your trace files, register them using \ref - * xbt_replay_action_register in your main, and then use \ref - * MSG_action_trace_run to launch the simulation. You can either - * have one trace file containing all your events, or a file per - * simulated process. Check the tesh files in the example directory - * for details on how to do it. + * In such situations, SimGrid allows to write your protocol in your C file, and the events to react to in a separate + * text file. Declare a function handling each of the events that you want to accept in your trace files, register + * them using \ref xbt_replay_action_register in your main, and then use \ref MSG_action_trace_run to launch the + * simulation. You can either have one trace file containing all your events, or a file per simulated process. Check + * the tesh files in the example directory for details on how to do it. * - * This example uses this approach to replay MPI-like traces. It - * comes with a set of event handlers reproducing MPI events. This - * is somehow similar to SMPI, yet differently implemented. This - * code should probably be changed to use SMPI internals instead, - * but wasn't, so far. - * + * This example uses this approach to replay MPI-like traces. It comes with a set of event handlers reproducing MPI + * events. This is somehow similar to SMPI, yet differently implemented. This code should probably be changed to use + * SMPI internals instead, but wasn't, so far. */ XBT_LOG_NEW_DEFAULT_CATEGORY(actions, "Messages specific for this msg example"); @@ -86,8 +73,7 @@ static void log_action(const char *const *action, double date) static void asynchronous_cleanup(void) { - process_globals_t globals = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); /* Destroy any isend which correspond to completed communications */ int found; @@ -104,7 +90,7 @@ static void action_send(const char *const *action) char to[250]; const char *size_str = action[3]; double size = parse_double(size_str); - double clock = MSG_get_clock(); /* this "call" is free thanks to inlining */ + double clock = MSG_get_clock(); sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()), action[2]); @@ -124,12 +110,10 @@ static void action_Isend(const char *const *action) char to[250]; const char *size = action[3]; double clock = MSG_get_clock(); - process_globals_t globals = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()), action[2]); - msg_comm_t comm = - MSG_task_isend(MSG_task_create(to, 0, parse_double(size), NULL), to); + msg_comm_t comm = MSG_task_isend(MSG_task_create(to, 0, parse_double(size), NULL), to); xbt_dynar_push(globals->isends, &comm); XBT_DEBUG("Isend on %s", MSG_process_get_name(MSG_process_self())); @@ -137,15 +121,13 @@ static void action_Isend(const char *const *action) asynchronous_cleanup(); } - static void action_recv(const char *const *action) { char mailbox_name[250]; msg_task_t task = NULL; double clock = MSG_get_clock(); - sprintf(mailbox_name, "%s_%s", action[2], - MSG_process_get_name(MSG_process_self())); + sprintf(mailbox_name, "%s_%s", action[2], MSG_process_get_name(MSG_process_self())); ACT_DEBUG("Receiving: %s", NAME); msg_error_t res = MSG_task_receive(&task, mailbox_name); @@ -161,36 +143,28 @@ static void action_Irecv(const char *const *action) { char mailbox[250]; double clock = MSG_get_clock(); - process_globals_t globals = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); XBT_DEBUG("Irecv on %s", MSG_process_get_name(MSG_process_self())); - sprintf(mailbox, "%s_%s", action[2], - MSG_process_get_name(MSG_process_self())); + sprintf(mailbox, "%s_%s", action[2], MSG_process_get_name(MSG_process_self())); msg_task_t t = NULL; xbt_dynar_push(globals->tasks, &t); - msg_comm_t c = - MSG_task_irecv(xbt_dynar_get_ptr - (globals->tasks, xbt_dynar_length(globals->tasks) - 1), - mailbox); + msg_comm_t c = MSG_task_irecv(xbt_dynar_get_ptr(globals->tasks, xbt_dynar_length(globals->tasks) - 1), mailbox); xbt_dynar_push(globals->irecvs, &c); log_action(action, MSG_get_clock() - clock); asynchronous_cleanup(); } - static void action_wait(const char *const *action) { msg_task_t task = NULL; msg_comm_t comm; double clock = MSG_get_clock(); - process_globals_t globals = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); - xbt_assert(xbt_dynar_length(globals->irecvs), - "action wait not preceded by any irecv: %s", + xbt_assert(xbt_dynar_length(globals->irecvs), "action wait not preceded by any irecv: %s", xbt_str_join_array(action, " ")); ACT_DEBUG("Entering %s", NAME); @@ -215,8 +189,7 @@ static void action_barrier(const char *const *action) cond = simcall_cond_init(); processes_arrived_sofar = 0; } - ACT_DEBUG("Entering barrier: %s (%d already there)", NAME, - processes_arrived_sofar); + ACT_DEBUG("Entering barrier: %s (%d already there)", NAME, processes_arrived_sofar); simcall_mutex_lock(mutex); if (++processes_arrived_sofar == communicator_size) { @@ -231,8 +204,8 @@ static void action_barrier(const char *const *action) processes_arrived_sofar--; if (!processes_arrived_sofar) { - simcall_cond_destroy(cond); - simcall_mutex_destroy(mutex); + SIMIX_cond_destroy(cond); + SIMIX_mutex_destroy(mutex); mutex = NULL; } } @@ -248,11 +221,9 @@ static void action_reduce(const char *const *action) const char *process_name; double clock = MSG_get_clock(); - process_globals_t counters = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t counters = (process_globals_t) MSG_process_get_data(MSG_process_self()); - xbt_assert(communicator_size, "Size of Communicator is not defined, " - "can't use collective operations"); + xbt_assert(communicator_size, "Size of Communicator is not defined can't use collective operations"); process_name = MSG_process_get_name(MSG_process_self()); @@ -280,13 +251,11 @@ static void action_reduce(const char *const *action) MSG_task_execute(comp_task); MSG_task_destroy(comp_task); XBT_DEBUG("%s: computed", reduce_identifier); - } else { XBT_DEBUG("%s: %s sends", reduce_identifier, process_name); sprintf(mailbox, "%s_%s_p0", reduce_identifier, process_name); XBT_DEBUG("put on %s", mailbox); - MSG_task_send(MSG_task_create(reduce_identifier, 0, comm_size, NULL), - mailbox); + MSG_task_send(MSG_task_create(reduce_identifier, 0, comm_size, NULL), mailbox); } log_action(action, MSG_get_clock() - clock); @@ -303,11 +272,9 @@ static void action_bcast(const char *const *action) const char *process_name; double clock = MSG_get_clock(); - process_globals_t counters = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t counters = (process_globals_t) MSG_process_get_data(MSG_process_self()); - xbt_assert(communicator_size, "Size of Communicator is not defined, " - "can't use collective operations"); + xbt_assert(communicator_size, "Size of Communicator is not defined, can't use collective operations"); process_name = MSG_process_get_name(MSG_process_self()); @@ -320,17 +287,14 @@ static void action_bcast(const char *const *action) for (i = 1; i < communicator_size; i++) { sprintf(mailbox, "%s_p0_p%d", bcast_identifier, i); - comms[i - 1] = - MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox); + comms[i - 1] = MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox); } MSG_comm_waitall(comms, communicator_size - 1, -1); for (i = 1; i < communicator_size; i++) MSG_comm_destroy(comms[i - 1]); xbt_free(comms); - XBT_DEBUG("%s: all messages sent by %s have been received", - bcast_identifier, process_name); - + XBT_DEBUG("%s: all messages sent by %s have been received", bcast_identifier, process_name); } else { sprintf(mailbox, "%s_p0_%s", bcast_identifier, process_name); MSG_task_receive(&task, mailbox); @@ -342,7 +306,6 @@ static void action_bcast(const char *const *action) xbt_free(bcast_identifier); } - static void action_sleep(const char *const *action) { const char *duration = action[2]; @@ -364,11 +327,9 @@ static void action_allReduce(const char *const *action) const char *process_name; double clock = MSG_get_clock(); - process_globals_t counters = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t counters = (process_globals_t) MSG_process_get_data(MSG_process_self()); - xbt_assert(communicator_size, "Size of Communicator is not defined, " - "can't use collective operations"); + xbt_assert(communicator_size, "Size of Communicator is not defined, can't use collective operations"); process_name = MSG_process_get_name(MSG_process_self()); @@ -398,23 +359,19 @@ static void action_allReduce(const char *const *action) for (i = 1; i < communicator_size; i++) { sprintf(mailbox, "%s_p0_p%d", allreduce_identifier, i); - comms[i - 1] = - MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox); + comms[i - 1] = MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox); } MSG_comm_waitall(comms, communicator_size - 1, -1); for (i = 1; i < communicator_size; i++) MSG_comm_destroy(comms[i - 1]); xbt_free(comms); - XBT_DEBUG("%s: all messages sent by %s have been received", - allreduce_identifier, process_name); - + XBT_DEBUG("%s: all messages sent by %s have been received", allreduce_identifier, process_name); } else { XBT_DEBUG("%s: %s sends", allreduce_identifier, process_name); sprintf(mailbox, "%s_%s_p0", allreduce_identifier, process_name); XBT_DEBUG("put on %s", mailbox); - MSG_task_send(MSG_task_create(allreduce_identifier, 0, comm_size, NULL), - mailbox); + MSG_task_send(MSG_task_create(allreduce_identifier, 0, comm_size, NULL), mailbox); sprintf(mailbox, "%s_p0_%s", allreduce_identifier, process_name); MSG_task_receive(&task, mailbox); @@ -450,19 +407,16 @@ static void action_compute(const char *const *action) static void action_init(const char *const *action) { XBT_DEBUG("Initialize the counters"); - process_globals_t globals = - (process_globals_t) calloc(1, sizeof(s_process_globals_t)); + process_globals_t globals = (process_globals_t) calloc(1, sizeof(s_process_globals_t)); globals->isends = xbt_dynar_new(sizeof(msg_comm_t), NULL); globals->irecvs = xbt_dynar_new(sizeof(msg_comm_t), NULL); globals->tasks = xbt_dynar_new(sizeof(msg_task_t), NULL); MSG_process_set_data(MSG_process_self(), globals); - } static void action_finalize(const char *const *action) { - process_globals_t globals = - (process_globals_t) MSG_process_get_data(MSG_process_self()); + process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self()); if (globals) { asynchronous_cleanup(); xbt_dynar_free_container(&(globals->isends)); @@ -482,25 +436,19 @@ int main(int argc, char *argv[]) /* Explicit initialization of the action module is required now*/ MSG_action_init(); - if (argc < 3) { - printf("Usage: %s platform_file deployment_file [action_files]\n", argv[0]); - printf - ("example: %s msg_platform.xml msg_deployment.xml actions # if all actions are in the same file\n", - argv[0]); - printf - ("example: %s msg_platform.xml msg_deployment.xml # if actions are in separate files, specified in deployment\n", - argv[0]); - exit(1); - } + xbt_assert(argc > 2, + "Usage: %s platform_file deployment_file [action_files]\n" + "\t# if all actions are in the same file\n" + "\tExample: %s msg_platform.xml msg_deployment.xml actions\n" + "\t# if actions are in separate files, specified in deployment\n" + "\tExample: %s msg_platform.xml msg_deployment.xml ", + argv[0],argv[0],argv[0]); + printf("WARNING: THIS BINARY IS KINDA DEPRECATED\n" - "This example is still relevant if you want to learn about MSG-based trace replay, " - "but if you want to simulate MPI-like traces, you should use the newer version " - "that is in the examples/smpi/replay directory instead.\n"); + "This example is still relevant if you want to learn about MSG-based trace replay, but if you want to simulate " + "MPI-like traces, you should use the newer version that is in the examples/smpi/replay directory instead.\n"); - /* Simulation setting */ MSG_create_environment(argv[1]); - - /* No need to register functions as in classical MSG programs: the actions get started anyway */ MSG_launch_application(argv[2]); /* Action registration */ @@ -519,7 +467,6 @@ int main(int argc, char *argv[]) xbt_replay_action_register("sleep", action_sleep); xbt_replay_action_register("compute", action_compute); - /* Actually do the simulation using MSG_action_trace_run */ res = MSG_action_trace_run(argv[3]); // it's ok to pass a NULL argument here @@ -528,8 +475,5 @@ int main(int argc, char *argv[]) /* Explicit finalization of the action module is required now*/ MSG_action_exit(); - if (res == MSG_OK) - return 0; - else - return 1; -} /* end_of_main */ + return res != MSG_OK; +}