/* 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 <mutex>
-
-#include "simgrid/msg.h"
-#include "simgrid/simix.h" /* semaphores for the barrier */
-#include <xbt/replay.h>
-#include "simgrid/s4u.h"
+#include "simgrid/s4u.hpp"
+#include "xbt/replay.hpp"
+#include "xbt/str.h"
XBT_LOG_NEW_DEFAULT_CATEGORY(actions, "Messages specific for this msg example");
-int communicator_size = 0;
-
-static void action_Isend(const char *const *action);
-
-typedef struct {
- int last_Irecv_sender_id;
- int bcast_counter;
- xbt_dynar_t isends; /* of msg_comm_t */
- /* Used to implement irecv+wait */
- xbt_dynar_t irecvs; /* of msg_comm_t */
- xbt_dynar_t tasks; /* of msg_task_t */
-} s_process_globals_t, *process_globals_t;
-
-/* Helper function */
-static double parse_double(const char *string)
-{
- double value;
- char *endptr;
-
- value = strtod(string, &endptr);
- if (*endptr != '\0')
- THROWF(unknown_error, 0, "%s is not a double", string);
- return value;
-}
#define ACT_DEBUG(...) \
if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) { \
}
}
-static void asynchronous_cleanup(void)
-{
- process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self());
-
- /* Destroy any isend which correspond to completed communications */
- msg_comm_t comm;
- while (true) {
- int pos_found = MSG_comm_testany(globals->isends);
- if (pos_found == -1) /* none remaining */
- break;
- xbt_dynar_remove_at(globals->isends, pos_found, &comm);
- MSG_comm_destroy(comm);
- }
-}
-
-/* My actions */
-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();
-
- snprintf(to,249, "%s_%s", MSG_process_get_name(MSG_process_self()), action[2]);
-
- ACT_DEBUG("Entering Send: %s (size: %g)", NAME, size);
- if (size < 65536) {
- action_Isend(action);
- } else {
- MSG_task_send(MSG_task_create(to, 0, size, NULL), to);
- }
-
- log_action(action, MSG_get_clock() - clock);
- asynchronous_cleanup();
-}
-
-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());
-
- snprintf(to,249, "%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);
- xbt_dynar_push(globals->isends, &comm);
-
- XBT_DEBUG("Isend on %s", MSG_process_get_name(MSG_process_self()));
- log_action(action, MSG_get_clock() - clock);
- asynchronous_cleanup();
-}
-
-static void action_recv(const char *const *action)
-{
- char mailbox_name[250];
- msg_task_t task = NULL;
- double clock = MSG_get_clock();
-
- snprintf(mailbox_name,249, "%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);
- log_action(action, MSG_get_clock() - clock);
-
- if (res == MSG_OK) {
- MSG_task_destroy(task);
- }
- asynchronous_cleanup();
-}
-
-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());
-
- XBT_DEBUG("Irecv on %s", MSG_process_get_name(MSG_process_self()));
-
- snprintf(mailbox,249, "%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((msg_task**)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());
-
- 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);
- comm = xbt_dynar_pop_as(globals->irecvs, msg_comm_t);
- MSG_comm_wait(comm, -1);
- task = xbt_dynar_pop_as(globals->tasks, msg_task_t);
- MSG_comm_destroy(comm);
- MSG_task_destroy(task);
-
- log_action(action, MSG_get_clock() - clock);
-}
-
-/* FIXME: that's a poor man's implementation: we should take the message exchanges into account */
-static void action_barrier(const char *const *action)
-{
- // static smx_mutex_t mutex = NULL;
- // static smx_cond_t cond = NULL;
- static simgrid::s4u::Mutex *mutex = NULL;
- static simgrid::s4u::ConditionVariable *cond = NULL;
- static int processes_arrived_sofar = 0;
- if (mutex == NULL) { // first arriving on the barrier
- mutex = new simgrid::s4u::Mutex();
- cond = new simgrid::s4u::ConditionVariable();
- processes_arrived_sofar = 0;
- }
- ACT_DEBUG("Entering barrier: %s (%d already there)", NAME, processes_arrived_sofar);
-
+class Replayer {
+public:
+ explicit Replayer(std::vector<std::string> args)
{
- std::unique_lock<simgrid::s4u::Mutex> lock(*mutex);
- if (++processes_arrived_sofar == communicator_size) {
- // We can notify without the lock:
- lock.unlock();
- cond->notify_all();
+ int argc;
+ char* argv[2];
+ argv[0] = (char*)(args.at(0).c_str());
+ if (args.size() == 1) {
+ argc = 1;
} else {
- cond->wait(lock);
+ argc = 2;
+ argv[1] = (char*)(args.at(1).c_str());
}
+ xbt_replay_action_runner(argc, argv);
}
- ACT_DEBUG("Exiting barrier: %s", NAME);
+ void operator()() {}
- processes_arrived_sofar--;
- if (processes_arrived_sofar<=0) {
- delete cond;
- delete mutex;
- mutex = NULL;
+ /* My actions */
+ static void compute(const char* const* action)
+ {
+ double amount = std::stod(action[2]);
+ double clock = simgrid::s4u::Engine::getClock();
+ ACT_DEBUG("Entering %s", NAME);
+ simgrid::s4u::this_actor::execute(amount);
+ log_action(action, simgrid::s4u::Engine::getClock() - clock);
}
-}
-
-static void action_bcast(const char *const *action)
-{
- char mailbox[80];
- double comm_size = parse_double(action[2]);
- msg_task_t task = NULL;
- double clock = MSG_get_clock();
- 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");
-
- const char * process_name = MSG_process_get_name(MSG_process_self());
-
- char *bcast_identifier = bprintf("bcast_%d", counters->bcast_counter++);
-
- if (!strcmp(process_name, "p0")) {
- XBT_DEBUG("%s: %s is the Root", bcast_identifier, process_name);
-
- msg_comm_t *comms = xbt_new0(msg_comm_t, communicator_size - 1);
-
- for (int i = 1; i < communicator_size; i++) {
- snprintf(mailbox,79, "%s_p0_p%d", bcast_identifier, i);
- comms[i - 1] = MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox);
- }
- MSG_comm_waitall(comms, communicator_size - 1, -1);
- for (int 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);
- } else {
- snprintf(mailbox,79, "%s_p0_%s", bcast_identifier, process_name);
- MSG_task_receive(&task, mailbox);
- MSG_task_destroy(task);
- XBT_DEBUG("%s: %s has received", bcast_identifier, process_name);
+ static void send(const char* const* action)
+ {
+ double size = std::stod(action[3]);
+ char* payload = xbt_strdup(action[3]);
+ double clock = simgrid::s4u::Engine::getClock();
+ simgrid::s4u::MailboxPtr to = simgrid::s4u::Mailbox::byName(simgrid::s4u::this_actor::name() + "_" + action[2]);
+ ACT_DEBUG("Entering Send: %s (size: %g) -- Actor %s on mailbox %s", NAME, size,
+ simgrid::s4u::this_actor::name().c_str(), to->name());
+ simgrid::s4u::this_actor::send(to, payload, size);
+ xbt_free(payload);
+
+ log_action(action, simgrid::s4u::Engine::getClock() - clock);
}
- log_action(action, MSG_get_clock() - clock);
- xbt_free(bcast_identifier);
-}
-
-static void action_comm_size(const char *const *action)
-{
- const char *size = action[2];
- double clock = MSG_get_clock();
-
- communicator_size = parse_double(size);
- log_action(action, MSG_get_clock() - clock);
-}
-
-static void action_compute(const char *const *action)
-{
- const char *amount = action[2];
- msg_task_t task = MSG_task_create("task", parse_double(amount), 0, NULL);
- double clock = MSG_get_clock();
-
- ACT_DEBUG("Entering %s", NAME);
- MSG_task_execute(task);
- MSG_task_destroy(task);
- log_action(action, MSG_get_clock() - clock);
-}
-
-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));
- 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 recv(const char* const* action)
+ {
+ double clock = simgrid::s4u::Engine::getClock();
+ simgrid::s4u::MailboxPtr from =
+ simgrid::s4u::Mailbox::byName(std::string(action[2]) + "_" + simgrid::s4u::this_actor::name());
-static void action_finalize(const char *const *action)
-{
- process_globals_t globals = (process_globals_t) MSG_process_get_data(MSG_process_self());
- if (globals) {
- asynchronous_cleanup();
- xbt_dynar_free_container(&(globals->isends));
- xbt_dynar_free_container(&(globals->irecvs));
- xbt_dynar_free_container(&(globals->tasks));
- xbt_free(globals);
+ ACT_DEBUG("Receiving: %s -- Actor %s on mailbox %s", NAME, simgrid::s4u::this_actor::name().c_str(), from->name());
+ simgrid::s4u::this_actor::recv(from);
+ log_action(action, simgrid::s4u::Engine::getClock() - clock);
}
-}
+};
int main(int argc, char *argv[])
{
- msg_error_t res = MSG_OK;
-
- /* Check the given arguments */
- MSG_init(&argc, argv);
+ simgrid::s4u::Engine* e = new simgrid::s4u::Engine(&argc, argv);
/* Explicit initialization of the action module is required now*/
- MSG_action_init();
+ _xbt_replay_action_init();
- 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]);
+ 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]);
- MSG_create_environment(argv[1]);
- MSG_launch_application(argv[2]);
+ e->loadPlatform(argv[1]);
+ e->registerDefault(&xbt_replay_action_runner);
+ e->registerFunction<Replayer>("p0");
+ e->registerFunction<Replayer>("p1");
+ e->loadDeployment(argv[2]);
/* Action registration */
- xbt_replay_action_register("init", action_init);
- xbt_replay_action_register("finalize", action_finalize);
- xbt_replay_action_register("comm_size", action_comm_size);
- xbt_replay_action_register("send", action_send);
- xbt_replay_action_register("Isend", action_Isend);
- xbt_replay_action_register("recv", action_recv);
- xbt_replay_action_register("Irecv", action_Irecv);
- xbt_replay_action_register("wait", action_wait);
- xbt_replay_action_register("barrier", action_barrier);
- xbt_replay_action_register("bcast", action_bcast);
- xbt_replay_action_register("compute", action_compute);
+ xbt_replay_action_register("compute", Replayer::compute);
+ xbt_replay_action_register("send", Replayer::send);
+ xbt_replay_action_register("recv", Replayer::recv);
/* 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
+ if (argv[3]) {
+ simgrid::xbt::action_fs = new std::ifstream(argv[3], std::ifstream::in);
+ }
+
+ e->run();
+
+ if (argv[3]) {
+ delete simgrid::xbt::action_fs;
+ simgrid::xbt::action_fs = nullptr;
+ }
- XBT_INFO("Simulation time %g", MSG_get_clock());
+ XBT_INFO("Simulation time %g", e->getClock());
- MSG_action_exit(); /* Explicit finalization of the action module */
+ _xbt_replay_action_exit(); /* Explicit finalization of the action module */
- return res != MSG_OK;
+ return 0;
}
