1 /* Copyright (c) 2014-2019. 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 <simgrid/plugins/file_system.h>
9 #include <stdio.h> /* sscanf */
11 #define INMEGA (1024 * 1024)
13 XBT_LOG_NEW_DEFAULT_CATEGORY(remote_io, "Messages specific for this io example");
15 static int host(int argc, char* argv[])
17 msg_file_t file = MSG_file_open(argv[1], NULL);
18 const char* filename = MSG_file_get_name(file);
19 XBT_INFO("Opened file '%s'", filename);
22 XBT_INFO("Try to read %llu from '%s'", MSG_file_get_size(file), filename);
23 sg_size_t read = MSG_file_read(file, MSG_file_get_size(file));
24 XBT_INFO("Have read %llu from '%s'. Offset is now at: %llu", read, filename, MSG_file_tell(file));
25 XBT_INFO("Seek back to the begining of the stream...");
26 MSG_file_seek(file, 0, SEEK_SET);
27 XBT_INFO("Offset is now at: %llu", MSG_file_tell(file));
32 file = MSG_file_open(argv[2], NULL);
33 filename = MSG_file_get_name(file);
34 XBT_INFO("Opened file '%s'", filename);
35 XBT_INFO("Try to write %llu MiB to '%s'", MSG_file_get_size(file) / 1024, filename);
36 sg_size_t write = MSG_file_write(file, MSG_file_get_size(file) * 1024);
37 XBT_INFO("Have written %llu bytes to '%s'.", write, filename);
39 msg_host_t src = MSG_host_self();
40 msg_host_t dest = MSG_host_by_name(argv[3]);
41 if (xbt_str_parse_int(argv[5], "Argument 5 (move or copy) must be an int, not '%s'")) {
42 XBT_INFO("Move '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
44 MSG_file_rmove(file, dest, argv[4]);
46 XBT_INFO("Copy '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
48 MSG_file_rcopy(file, dest, argv[4]);
56 int main(int argc, char** argv)
61 MSG_init(&argc, argv);
62 MSG_storage_file_system_init();
64 MSG_create_environment(argv[1]);
65 MSG_function_register("host", host);
66 MSG_launch_application(argv[2]);
68 xbt_dynar_t storages = MSG_storages_as_dynar();
69 xbt_dynar_foreach (storages, cur, st) {
70 XBT_INFO("Init: %llu/%llu MiB used/free on '%s'", MSG_storage_get_used_size(st) / INMEGA,
71 MSG_storage_get_free_size(st) / INMEGA, MSG_storage_get_name(st));
76 xbt_dynar_foreach (storages, cur, st) {
77 XBT_INFO("End: %llu/%llu MiB used/free on '%s'", MSG_storage_get_used_size(st) / INMEGA,
78 MSG_storage_get_free_size(st) / INMEGA, MSG_storage_get_name(st));
80 xbt_dynar_free(&storages);
82 XBT_INFO("Simulation time %g", MSG_get_clock());