1 /* Copyright (c) 2015-2016. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/msg.h"
7 #include <xbt/replay.h>
9 XBT_LOG_NEW_DEFAULT_CATEGORY(storage_actions, "Messages specific for this example");
11 static xbt_dict_t opened_files = NULL;
13 #define ACT_DEBUG(...) \
14 if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) { \
15 char *NAME = xbt_str_join_array(action, " "); \
16 XBT_DEBUG(__VA_ARGS__); \
20 static void log_action(const char *const *action, double date)
22 if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) {
23 char *name = xbt_str_join_array(action, " ");
24 XBT_VERB("%s %f", name, date);
29 static msg_file_t get_file_descriptor(const char *file_name){
31 msg_file_t file = NULL;
33 snprintf(full_name,1023, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
35 file = (msg_file_t) xbt_dict_get_or_null(opened_files, full_name);
39 static sg_size_t parse_size(const char *string){
43 size = strtoul(string, &endptr, 10);
45 THROWF(unknown_error, 0, "%s is not a long unsigned int (a.k.a. sg_size_t)", string);
49 static void action_open(const char *const *action) {
50 const char *file_name = action[2];
52 msg_file_t file = NULL;
53 double clock = MSG_get_clock();
55 snprintf(full_name,1023, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
57 ACT_DEBUG("Entering Open: %s (filename: %s)", NAME, file_name);
58 file = MSG_file_open(file_name, NULL);
60 xbt_dict_set(opened_files, full_name, file, NULL);
62 log_action(action, MSG_get_clock() - clock);
65 static void action_read(const char *const *action) {
66 const char *file_name = action[2];
67 const char *size_str = action[3];
68 msg_file_t file = NULL;
69 sg_size_t size = parse_size(size_str);
71 double clock = MSG_get_clock();
73 file = get_file_descriptor(file_name);
75 ACT_DEBUG("Entering Read: %s (size: %llu)", NAME, size);
76 MSG_file_read(file, size);
78 log_action(action, MSG_get_clock() - clock);
81 static void action_close(const char *const *action) {
82 const char *file_name = action[2];
84 double clock = MSG_get_clock();
86 file = get_file_descriptor(file_name);
88 ACT_DEBUG("Entering Close: %s (filename: %s)", NAME, file_name);
91 log_action(action, MSG_get_clock() - clock);
94 int main(int argc, char *argv[]) {
95 msg_error_t res = MSG_OK;
97 MSG_init(&argc, argv);
98 /* Explicit initialization of the action module is required now*/
101 xbt_assert(argc > 3,"Usage: %s platform_file deployment_file [action_files]\n"
102 "\texample: %s platform.xml deployment.xml actions # if all actions are in the same file\n"
103 "\texample: %s platform.xml deployment.xml # if actions are in separate files, specified in deployment\n",
104 argv[0], argv[0], argv[0]);
106 MSG_create_environment(argv[1]);
107 MSG_launch_application(argv[2]);
109 /* Action registration */
110 xbt_replay_action_register("open", action_open);
111 xbt_replay_action_register("read", action_read);
112 xbt_replay_action_register("close", action_close);
114 if (opened_files == NULL)
115 opened_files = xbt_dict_new_homogeneous(NULL);
116 /* Actually do the simulation using MSG_action_trace_run */
117 res = MSG_action_trace_run(argv[3]); // it's ok to pass a NULL argument here
119 XBT_INFO("Simulation time %g", MSG_get_clock());
122 xbt_dict_free(&opened_files);
124 /* Explicit finalization of the action module is required now*/