1 /* Copyright (c) 2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/msg.h"
8 #include <xbt/replay.h>
10 XBT_LOG_NEW_DEFAULT_CATEGORY(storage_actions, "Messages specific for this example");
12 static xbt_dict_t opened_files = NULL;
14 #define ACT_DEBUG(...) \
15 if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) { \
16 char *NAME = xbt_str_join_array(action, " "); \
17 XBT_DEBUG(__VA_ARGS__); \
21 static void log_action(const char *const *action, double date)
23 if (XBT_LOG_ISENABLED(storage_actions, xbt_log_priority_verbose)) {
24 char *name = xbt_str_join_array(action, " ");
25 XBT_VERB("%s %f", name, date);
30 static msg_file_t get_file_descriptor(const char *file_name){
32 msg_file_t file = NULL;
34 sprintf(full_name, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
36 file = (msg_file_t) xbt_dict_get_or_null(opened_files, full_name);
40 static sg_size_t parse_size(const char *string){
44 size = strtoul(string, &endptr, 10);
46 THROWF(unknown_error, 0, "%s is not a long unsigned int (a.k.a. sg_size_t)", string);
50 static void action_open(const char *const *action) {
51 const char *file_name = action[2];
53 msg_file_t file = NULL;
54 double clock = MSG_get_clock();
56 sprintf(full_name, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
58 ACT_DEBUG("Entering Open: %s (filename: %s)", NAME, file_name);
59 file = MSG_file_open(file_name, NULL);
61 xbt_dict_set(opened_files, full_name, file, NULL);
63 log_action(action, MSG_get_clock() - clock);
66 static void action_read(const char *const *action) {
67 const char *file_name = action[2];
68 const char *size_str = action[3];
69 msg_file_t file = NULL;
70 sg_size_t size = parse_size(size_str);
72 double clock = MSG_get_clock();
74 file = get_file_descriptor(file_name);
76 ACT_DEBUG("Entering Read: %s (size: %llu)", NAME, size);
77 MSG_file_read(file, size);
79 log_action(action, MSG_get_clock() - clock);
82 static void action_close(const char *const *action) {
83 const char *file_name = action[2];
85 double clock = MSG_get_clock();
87 file = get_file_descriptor(file_name);
89 ACT_DEBUG("Entering Close: %s (filename: %s)", NAME, file_name);
92 log_action(action, MSG_get_clock() - clock);
95 int main(int argc, char *argv[]) {
96 msg_error_t res = MSG_OK;
98 MSG_init(&argc, argv);
99 /* Explicit initialization of the action module is required now*/
102 xbt_assert(argc > 3,"Usage: %s platform_file deployment_file [action_files]\n"
103 "\texample: %s platform.xml deployment.xml actions # if all actions are in the same file\n"
104 "\texample: %s platform.xml deployment.xml # if actions are in separate files, specified in deployment\n",
105 argv[0], argv[0], argv[0]);
107 MSG_create_environment(argv[1]);
108 MSG_launch_application(argv[2]);
110 /* Action registration */
111 xbt_replay_action_register("open", action_open);
112 xbt_replay_action_register("read", action_read);
113 xbt_replay_action_register("close", action_close);
116 opened_files = xbt_dict_new_homogeneous(NULL);
117 /* Actually do the simulation using MSG_action_trace_run */
118 res = MSG_action_trace_run(argv[3]); // it's ok to pass a NULL argument here
120 XBT_INFO("Simulation time %g", MSG_get_clock());
123 xbt_dict_free(&opened_files);
125 /* Explicit finalization of the action module is required now*/