SimGrid  3.15
Versatile Simulation of Distributed Systems
examples/msg/io-remote/io-remote.c
/* Copyright (c) 2014-2016. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "simgrid/msg.h"
#define INMEGA (1024*1024)
XBT_LOG_NEW_DEFAULT_CATEGORY(remote_io, "Messages specific for this io example");
static int host(int argc, char *argv[]){
msg_file_t file = MSG_file_open(argv[1], NULL);
const char *filename = MSG_file_get_name(file);
XBT_INFO("Opened file '%s'",filename);
XBT_INFO("Try to read %llu from '%s'",MSG_file_get_size(file),filename);
XBT_INFO("Have read %llu from '%s'. Offset is now at: %llu",read,filename, MSG_file_tell(file));
XBT_INFO("Seek back to the begining of the stream...");
XBT_INFO("Offset is now at: %llu", MSG_file_tell(file));
if (argc > 5){
file = MSG_file_open(argv[2], NULL);
filename = MSG_file_get_name(file);
XBT_INFO("Opened file '%s'",filename);
XBT_INFO("Try to write %llu MiB to '%s'", MSG_file_get_size(file)/1024, filename);
sg_size_t write = MSG_file_write(file, MSG_file_get_size(file)*1024);
XBT_INFO("Have written %llu bytes to '%s'.",write,filename);
if (xbt_str_parse_int(argv[5], "Argument 5 (move or copy) must be an int, not '%s'")) {
XBT_INFO("Move '%s' (of size %llu) from '%s' to '%s'", filename,MSG_file_get_size(file), MSG_host_get_name(src),
argv[3]);
MSG_file_rmove(file, dest, argv[4]);
} else {
XBT_INFO("Copy '%s' (of size %llu) from '%s' to '%s'", filename, MSG_file_get_size(file), MSG_host_get_name(src),
argv[3]);
MSG_file_rcopy(file, dest, argv[4]);
}
}
return 0;
}
int main(int argc, char **argv)
{
unsigned int cur;
MSG_init(&argc, argv);
xbt_dynar_foreach(storages, cur, st){
XBT_INFO("Init: %llu MiB used on '%s'", MSG_storage_get_used_size(st)/INMEGA, MSG_storage_get_name(st));
}
int res = MSG_main();
xbt_dynar_foreach(storages, cur, st){
XBT_INFO("Init: %llu MiB used on '%s'", MSG_storage_get_used_size(st)/INMEGA, MSG_storage_get_name(st));
}
XBT_INFO("Simulation time %g", MSG_get_clock());
return res != MSG_OK;
}