1 /* Copyright (c) 2014-2016. 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 <simgrid/plugins/file_system.h>
9 #define INMEGA (1024 * 1024)
11 XBT_LOG_NEW_DEFAULT_CATEGORY(remote_io, "Messages specific for this io example");
13 static int host(int argc, char* argv[])
15 msg_file_t file = MSG_file_open(argv[1], NULL);
16 const char* filename = MSG_file_get_name(file);
17 XBT_INFO("Opened file '%s'", filename);
20 XBT_INFO("Try to read %llu from '%s'", MSG_file_get_size(file), filename);
21 sg_size_t read = MSG_file_read(file, MSG_file_get_size(file));
22 XBT_INFO("Have read %llu from '%s'. Offset is now at: %llu", read, filename, MSG_file_tell(file));
23 XBT_INFO("Seek back to the begining of the stream...");
24 MSG_file_seek(file, 0, SEEK_SET);
25 XBT_INFO("Offset is now at: %llu", MSG_file_tell(file));
30 file = MSG_file_open(argv[2], NULL);
31 filename = MSG_file_get_name(file);
32 XBT_INFO("Opened file '%s'", filename);
33 XBT_INFO("Try to write %llu MiB to '%s'", MSG_file_get_size(file) / 1024, filename);
34 sg_size_t write = MSG_file_write(file, MSG_file_get_size(file) * 1024);
35 XBT_INFO("Have written %llu bytes to '%s'.", write, filename);
37 msg_host_t src = MSG_host_self();
38 msg_host_t dest = MSG_host_by_name(argv[3]);
39 if (xbt_str_parse_int(argv[5], "Argument 5 (move or copy) must be an int, not '%s'")) {
40 XBT_INFO("Move '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
42 MSG_file_rmove(file, dest, argv[4]);
44 XBT_INFO("Copy '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
46 MSG_file_rcopy(file, dest, argv[4]);
54 int main(int argc, char** argv)
59 MSG_init(&argc, argv);
60 MSG_storage_file_system_init();
62 MSG_create_environment(argv[1]);
63 MSG_function_register("host", host);
64 MSG_launch_application(argv[2]);
66 xbt_dynar_t storages = MSG_storages_as_dynar();
67 xbt_dynar_foreach (storages, cur, st) {
68 XBT_INFO("Init: %llu/%llu MiB used/free on '%s'", MSG_storage_get_used_size(st) / INMEGA,
69 MSG_storage_get_free_size(st) / INMEGA, MSG_storage_get_name(st));
74 xbt_dynar_foreach (storages, cur, st) {
75 XBT_INFO("End: %llu/%llu MiB used/free on '%s'", MSG_storage_get_used_size(st) / INMEGA,
76 MSG_storage_get_free_size(st) / INMEGA, MSG_storage_get_name(st));
78 xbt_dynar_free(&storages);
80 XBT_INFO("Simulation time %g", MSG_get_clock());