+++ /dev/null
-/* Copyright (c) 2009, 2010. 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. */
-
-/* This example replays a trace as produced by examples/simdag/dax, or other means
- * This is mainly interesting when run on real platforms, to validate the results
- * given in the simulator when running SimDag.
- */
-
-#include "xbt/ex.h"
-#include "xbt/log.h"
-#include "xbt/str.h"
-#include "xbt/dynar.h"
-#include "xbt/synchro.h"
-#include "workload.h"
-#include "gras.h"
-#include "amok/peermanagement.h"
-#include <stdio.h>
-
-#include "simix/simix.h"
-
-int master(int argc, char *argv[]);
-int worker(int argc, char *argv[]);
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(replay, "Messages specific to this example");
-
-static void declare_msg()
-{
- amok_pm_init();
- xbt_workload_declare_datadesc();
- gras_msgtype_declare("go", NULL);
- gras_msgtype_declare("commands",
- xbt_datadesc_dynar(xbt_datadesc_by_name
- ("xbt_workload_elm_t"),
- xbt_workload_elm_free_voidp));
- gras_msgtype_declare("chunk",
- xbt_datadesc_by_name("xbt_workload_data_chunk_t"));
-}
-
-int master(int argc, char *argv[])
-{
-
- gras_init(&argc, argv);
- declare_msg();
-
-
- xbt_assert(argc == 3, "usage: replay_master tracefile port");
- gras_socket_server(atoi(argv[2])); /* open my master socket, even if I don't use it */
- xbt_dynar_t peers = amok_pm_group_new("replay"); /* group of slaves */
- xbt_peer_t peer;
- xbt_dynar_t cmds = xbt_workload_parse_file(argv[1]);
- xbt_workload_sort_who_date(cmds);
- unsigned int cursor;
- xbt_workload_elm_t cmd;
- xbt_dict_cursor_t dict_cursor;
-
- xbt_dict_t pals_int = xbt_dict_new_homogeneous(NULL);
- xbt_dynar_foreach(cmds, cursor, cmd) {
- int *p = xbt_dict_get_or_null(pals_int, cmd->who);
- if (!p) {
- p = (int *) 0xBEAF;
- xbt_dict_set(pals_int, cmd->who, &p, NULL);
- }
- }
-
- /* friends, we're ready. Come and play */
- XBT_INFO("Wait for peers for a while. I need %d peers",
- xbt_dict_length(pals_int));
- while (xbt_dynar_length(peers) < xbt_dict_length(pals_int)) {
- TRY {
- gras_msg_handle(20);
- }
- CATCH_ANONYMOUS {
- xbt_dynar_foreach(peers, cursor, peer) {
- xbt_dict_remove(pals_int, peer->name);
- }
- char *peer_name;
- void *data;
- xbt_dict_foreach(pals_int, dict_cursor, peer_name, data) {
- XBT_INFO("Peer %s didn't showed up", peer_name);
- }
- RETHROW;
- }
- }
- XBT_INFO("Got my %ld peers", xbt_dynar_length(peers));
- xbt_dict_free(&pals_int);
-
- /* Check who came */
- xbt_dict_t pals = xbt_dict_new_homogeneous(NULL);
- xbt_socket_t pal;
- xbt_dynar_foreach(peers, cursor, peer) {
- //XBT_INFO("%s is here",peer->name);
- xbt_socket_t sock = gras_socket_client(peer->name, peer->port);
- xbt_dict_set(pals, peer->name, sock, NULL);
- }
- /* check that we have a dude for every element of the trace */
- xbt_dynar_foreach(cmds, cursor, cmd) {
- pal = xbt_dict_get_or_null(pals, cmd->who);
- if (!pal) {
- XBT_CRITICAL("Process %s didn't came! Abording!", cmd->who);
- amok_pm_group_shutdown("replay");
- xbt_dynar_free(&cmds);
- gras_exit();
- abort();
- }
- }
- /* Send the commands to every pal */
- char *pal_name;
- xbt_dict_foreach(pals, dict_cursor, pal_name, pal) {
- gras_msg_send(pal, "commands", &cmds);
- }
- XBT_INFO("Sent commands to every processes. Let them start now");
- xbt_dict_cursor_t dict_it;
- xbt_dict_foreach(pals, dict_it, pal_name, pal) {
- gras_msg_send(pal, "go", NULL);
- }
- XBT_INFO("They should be started by now. Wait for their completion.");
-
- for (cursor = 0; cursor < xbt_dynar_length(peers); cursor++) {
- gras_msg_wait(-1, "go", NULL, NULL);
- }
-
- /* Done, exiting */
- //amok_pm_group_shutdown("replay");
- xbt_dynar_free(&cmds);
- gras_exit();
- return 0;
-}
-
-typedef struct {
- xbt_dynar_t commands;
- xbt_dict_t peers;
- xbt_socket_t mysock;
-} s_worker_data_t, *worker_data_t;
-
-
-static xbt_socket_t get_peer_sock(char *peer)
-{
- worker_data_t g = gras_userdata_get();
- xbt_socket_t peer_sock = xbt_dict_get_or_null(g->peers, peer);
- if (!peer_sock) {
- XBT_INFO("Create a socket to %s", peer);
- peer_sock = gras_socket_client(peer, 4000);
- xbt_dict_set(g->peers, peer, peer_sock, NULL); //gras_socket_close_voidp);
- }
- return peer_sock;
-}
-
-static int worker_commands_cb(gras_msg_cb_ctx_t ctx, void *payload)
-{
- worker_data_t g = gras_userdata_get();
- g->commands = *(xbt_dynar_t *) payload;
- return 0;
-}
-
-static void do_command(int rank, void *c)
-{
- xbt_workload_elm_t cmd = *(xbt_workload_elm_t *) c;
- xbt_workload_data_chunk_t chunk;
-
- if (cmd->action == XBT_WORKLOAD_SEND) {
- xbt_socket_t sock = get_peer_sock(cmd->str_arg);
- chunk = xbt_workload_data_chunk_new((int) (cmd->d_arg));
- XBT_INFO("Send %.f bytes to %s %s:%d", cmd->d_arg, cmd->str_arg,
- xbt_socket_peer_name(sock), xbt_socket_peer_port(sock));
- gras_msg_send_(sock, gras_msgtype_by_name("chunk"), &chunk);
- XBT_INFO("Done sending %.f bytes to %s", cmd->d_arg, cmd->str_arg);
-
- } else if (cmd->action == XBT_WORKLOAD_RECV) {
- XBT_INFO("Recv %.f bytes from %s", cmd->d_arg, cmd->str_arg);
- TRY {
- gras_msg_wait(1000000, "chunk", NULL, &chunk);
- }
- CATCH_ANONYMOUS {
- SIMIX_display_process_status();
- RETHROWF("Exception while waiting for %f bytes from %s: %s",
- cmd->d_arg, cmd->str_arg);
- }
- xbt_workload_data_chunk_free(chunk);
- XBT_INFO("Done receiving %.f bytes from %s", cmd->d_arg, cmd->str_arg);
-
- } else {
- xbt_die("unknown command: %s", xbt_workload_elm_to_string(cmd));
- }
-}
-
-int worker(int argc, char *argv[])
-{
- xbt_ex_t e;
- worker_data_t globals;
- gras_init(&argc, argv);
- declare_msg();
- globals = gras_userdata_new(s_worker_data_t);
- /* Create the connexions */
- globals->mysock = gras_socket_server(4000); /* FIXME: shouldn't be hardcoded */
- xbt_socket_t master = NULL;
- int connected = 0;
-
- gras_cb_register("commands", worker_commands_cb);
- globals->peers = xbt_dict_new_homogeneous(NULL);
-
- if (gras_if_RL())
- XBT_INFO("Sensor %s starting. Connecting to master on %s",
- gras_os_myname(), argv[1]);
- while (!connected) {
- xbt_ex_t e;
- TRY {
- master = gras_socket_client_from_string(argv[1]);
- connected = 1;
- }
- CATCH(e) {
- if (e.category != system_error)
- RETHROW;
- xbt_ex_free(e);
- XBT_INFO("Failed to connect. Retry in 0.5 second");
- gras_os_sleep(0.5);
- }
- }
- /* Join and run the group */
- amok_pm_group_join(master, "replay", -1);
- gras_msg_handle(60); // command message
- gras_msg_wait(60, "go", NULL, NULL);
- {
- worker_data_t g = gras_userdata_get();
- unsigned int cursor;
- xbt_workload_elm_t cmd;
- const char *myname = gras_os_myname();
- xbt_dynar_t cmd_to_go =
- xbt_dynar_new(sizeof(xbt_workload_elm_t), NULL);
-
- xbt_dynar_foreach(g->commands, cursor, cmd) {
- if (!strcmp(cmd->who, myname)) {
- char *c = xbt_workload_elm_to_string(cmd);
- // XBT_INFO("TODO: %s",c);
- free(c);
-
- switch (cmd->action) {
- case XBT_WORKLOAD_COMPUTE:
- /* If any communication were queued, do them in parallel */
- if (!xbt_dynar_is_empty(cmd_to_go)) {
- TRY {
- xbt_dynar_dopar(cmd_to_go, do_command);
- xbt_dynar_reset(cmd_to_go);
- }
- CATCH(e) {
- SIMIX_display_process_status();
- xbt_ex_free(e);
- }
- XBT_INFO("Communications all done");
- xbt_dynar_reset(cmd_to_go);
- }
- XBT_INFO("Compute %.f flops", cmd->d_arg);
- gras_cpu_burn(cmd->d_arg);
- XBT_INFO("Done computing %.f flops", cmd->d_arg);
- break;
- case XBT_WORKLOAD_SEND:
- /* Create the socket from main thread since it seems to fails when done from dopar thread */
- get_peer_sock(cmd->str_arg);
- case XBT_WORKLOAD_RECV:
- /* queue communications for later realization in parallel */
- xbt_dynar_push(cmd_to_go, &cmd);
- break;
- }
- }
- }
- /* do in parallel any communication still queued */
- XBT_INFO("Do %ld pending communications after end of TODO list",
- xbt_dynar_length(cmd_to_go));
- if (!xbt_dynar_is_empty(cmd_to_go)) {
- xbt_dynar_dopar(cmd_to_go, do_command);
- xbt_dynar_reset(cmd_to_go);
- }
- }
-
- gras_msg_send(master, "go", NULL);
-// amok_pm_group_leave(master, "replay");
-
- gras_socket_close(globals->mysock);
- xbt_dynar_free(&(globals->commands));
- xbt_dict_free(&(globals->peers));
- free(globals);
-
- gras_exit();
- return 0;
-}
