1 /* Copyright (c) 2015-2017. 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.hpp>
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__); \
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)
34 snprintf(full_name, 1023, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
36 msg_file_t file = (msg_file_t)xbt_dict_get_or_null(opened_files, full_name);
40 static sg_size_t parse_size(const char* string)
45 size = strtoul(string, &endptr, 10);
47 THROWF(unknown_error, 0, "%s is not a long unsigned int (a.k.a. sg_size_t)", string);
51 static void action_open(const char* const* action)
53 const char* file_name = action[2];
55 msg_file_t file = NULL;
56 double clock = MSG_get_clock();
58 snprintf(full_name, 1023, "%s:%s", MSG_process_get_name(MSG_process_self()), file_name);
60 ACT_DEBUG("Entering Open: %s (filename: %s)", NAME, file_name);
61 file = MSG_file_open(file_name, NULL);
63 xbt_dict_set(opened_files, full_name, file, NULL);
65 log_action(action, MSG_get_clock() - clock);
68 static void action_read(const char* const* action)
70 const char* file_name = action[2];
71 const char* size_str = action[3];
72 sg_size_t size = parse_size(size_str);
74 double clock = MSG_get_clock();
76 msg_file_t file = get_file_descriptor(file_name);
78 ACT_DEBUG("Entering Read: %s (size: %llu)", NAME, size);
79 MSG_file_read(file, size);
81 log_action(action, MSG_get_clock() - clock);
84 static void action_close(const char* const* action)
86 const char* file_name = action[2];
88 double clock = MSG_get_clock();
90 file = get_file_descriptor(file_name);
92 ACT_DEBUG("Entering Close: %s (filename: %s)", NAME, file_name);
95 log_action(action, MSG_get_clock() - clock);
98 int main(int argc, char* argv[])
100 MSG_init(&argc, argv);
101 /* Explicit initialization of the action module is required */
105 "Usage: %s platform_file deployment_file [action_files]\n"
106 "\texample: %s platform.xml deployment.xml actions # if all actions are in the same file\n"
107 "\texample: %s platform.xml deployment.xml # if actions are in separate files, specified in deployment\n",
108 argv[0], argv[0], argv[0]);
110 MSG_create_environment(argv[1]);
111 MSG_launch_application(argv[2]);
113 /* Action registration */
114 xbt_replay_action_register("open", action_open);
115 xbt_replay_action_register("read", action_read);
116 xbt_replay_action_register("close", action_close);
118 if (opened_files == NULL)
119 opened_files = xbt_dict_new_homogeneous(NULL);
120 /* Actually do the simulation using MSG_action_trace_run */
121 msg_error_t res = MSG_action_trace_run(argv[3]); // it's ok to pass a NULL argument here
123 XBT_INFO("Simulation time %g", MSG_get_clock());
126 xbt_dict_free(&opened_files);
128 /* Explicit finalization of the action module is required now*/
131 return res != MSG_OK;