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[]){
14 msg_file_t file = MSG_file_open(argv[1], NULL);
15 const char *filename = MSG_file_get_name(file);
16 XBT_INFO("Opened file '%s'",filename);
19 XBT_INFO("Try to read %llu from '%s'",MSG_file_get_size(file),filename);
20 sg_size_t read = MSG_file_read(file, MSG_file_get_size(file));
21 XBT_INFO("Have read %llu from '%s'. Offset is now at: %llu",read,filename, MSG_file_tell(file));
22 XBT_INFO("Seek back to the begining of the stream...");
23 MSG_file_seek(file, 0, SEEK_SET);
24 XBT_INFO("Offset is now at: %llu", MSG_file_tell(file));
29 file = MSG_file_open(argv[2], NULL);
30 filename = MSG_file_get_name(file);
31 XBT_INFO("Opened file '%s'",filename);
32 XBT_INFO("Try to write %llu MiB to '%s'", MSG_file_get_size(file)/1024, filename);
33 sg_size_t write = MSG_file_write(file, MSG_file_get_size(file)*1024);
34 XBT_INFO("Have written %llu bytes to '%s'.",write,filename);
36 msg_host_t src= MSG_host_self();
37 msg_host_t dest = MSG_host_by_name(argv[3]);
38 if (xbt_str_parse_int(argv[5], "Argument 5 (move or copy) must be an int, not '%s'")) {
39 XBT_INFO("Move '%s' (of size %llu) from '%s' to '%s'", filename,MSG_file_get_size(file), MSG_host_get_name(src),
41 MSG_file_rmove(file, dest, argv[4]);
43 XBT_INFO("Copy '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
45 MSG_file_rcopy(file, dest, argv[4]);
53 int main(int argc, char **argv)
58 MSG_init(&argc, argv);
59 MSG_storage_file_system_init();
61 MSG_create_environment(argv[1]);
62 MSG_function_register("host", host);
63 MSG_launch_application(argv[2]);
65 xbt_dynar_t storages = MSG_storages_as_dynar();
66 xbt_dynar_foreach(storages, cur, st){
67 XBT_INFO("Init: %llu MiB used on '%s'", MSG_storage_get_used_size(st)/INMEGA, MSG_storage_get_name(st));
72 xbt_dynar_foreach(storages, cur, st){
73 XBT_INFO("Init: %llu MiB used on '%s'", MSG_storage_get_used_size(st)/INMEGA, MSG_storage_get_name(st));
75 xbt_dynar_free(&storages);
77 XBT_INFO("Simulation time %g", MSG_get_clock());