X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eb5b6b0c3c4d9a38bb205b2c8bc9aeeba8674a25..ba9a4cfeba4eb00e84cd17603fc9654e81445655:/examples/msg/io/remote.c diff --git a/examples/msg/io/remote.c b/examples/msg/io/remote.c index 3a3efbcbed..cc84983669 100644 --- a/examples/msg/io/remote.c +++ b/examples/msg/io/remote.c @@ -1,24 +1,19 @@ -/* Copyright (c) 2014. The SimGrid Team. +/* Copyright (c) 2014-2015. 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. */ /** @addtogroup MSG_examples - * - * @subsection MSG_ex_resources Other resource kinds - * - * This section contains some sparse examples of how to use the other - * kind of resources, such as disk or GPU. These resources are quite - * experimental for now, but here we go anyway. * * - io/remote.c Example of delegated I/O operations */ #include #include -#include "msg/msg.h" -#include "surf/surf_private.h" +#include "simgrid/msg.h" + +#define INMEGA (1024*1024) int host(int argc, char *argv[]); @@ -29,111 +24,83 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(remote_io, int host(int argc, char *argv[]){ msg_file_t file = NULL; const char* filename; -// msg_storage_t st; - sg_size_t read;//,write; + sg_size_t read, write; file = MSG_file_open(argv[1], NULL); filename = MSG_file_get_name(file); XBT_INFO("Opened file '%s'",filename); MSG_file_dump(file); - // st = MSG_storage_get_by_name(st_name); - XBT_INFO("Try to read %llu from '%s'",MSG_file_get_size(file),filename); read = MSG_file_read(file, MSG_file_get_size(file)); - XBT_INFO("Have read %llu from '%s'",read,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..."); + MSG_file_seek(file, 0, SEEK_SET); + XBT_INFO("Offset is now at: %llu", MSG_file_tell(file)); MSG_file_close(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); + write = MSG_file_write(file, MSG_file_get_size(file)*1024); + XBT_INFO("Have written %llu bytes to '%s'.",write,filename); + + msg_host_t src, dest; + src= MSG_host_self(); + dest = MSG_host_by_name(argv[3]); + 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]); + MSG_file_close(file); + } + } + return 0; } -//int host(int argc, char *argv[]) -//{ -// msg_file_t file = NULL; -// sg_size_t read,write; -// msg_storage_t st; -// const char* st_name; -// -// if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){ -// file = MSG_file_open(FILENAME1, NULL); -// MSG_file_dump(file); -// st_name = "Disk4"; -// } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1")) { -// file = MSG_file_open(FILENAME2, NULL); -// st_name = "Disk2"; -// } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2")){ -// file = MSG_file_open(FILENAME3, NULL); -// st_name = "Disk3"; -// } else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3")){ -// file = MSG_file_open(FILENAME4, NULL); -// st_name = "Disk1"; -// } -// else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self())); -// -// const char* filename = MSG_file_get_name(file); -// XBT_INFO("\tOpen file '%s'",filename); -// st = MSG_storage_get_by_name(st_name); -// -// XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", -// filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); -// -// /* Try to read for 10MB */ -// read = MSG_file_read(file, 10000000); -// XBT_INFO("\tHave read %llu from '%s'",read,filename); -// -// /* Write 100KB in file from the current position, i.e, end of file or 10MB */ -// write = MSG_file_write(file, 100000); -// XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu",write,filename, -// MSG_file_get_size(file)); -// -// -// XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", -// filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); -// -// /* rewind to the beginning of the file */ -// XBT_INFO("\tComing back to the beginning of the stream for file '%s'", -// filename); -// MSG_file_seek(file, 0, SEEK_SET); -// -// /* Try to read 110KB */ -// read = MSG_file_read(file, 110000); -// XBT_INFO("\tHave read %llu from '%s' (of size %llu)",read,filename, -// MSG_file_get_size(file)); -// -// /* rewind once again to the beginning of the file */ -// XBT_INFO("\tComing back to the beginning of the stream for file '%s'", -// filename); -// MSG_file_seek(file, 0, SEEK_SET); -// -// /* Write 110KB in file from the current position, i.e, end of file or 10MB */ -// write = MSG_file_write(file, 110000); -// XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write,filename, -// MSG_file_get_size(file)); -// -// XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", -// filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); -// -// XBT_INFO("\tClose file '%s'",filename); -// MSG_file_close(file); -// -// -// return 0; -//} + int main(int argc, char **argv) { int res; + unsigned int cur; + xbt_dynar_t storages; + msg_storage_t st; MSG_init(&argc, argv); MSG_create_environment(argv[1]); MSG_function_register("host", host); MSG_launch_application(argv[2]); + storages = MSG_storages_as_dynar(); + 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)); + } + 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_dynar_free_container(&storages); + XBT_INFO("Simulation time %g", MSG_get_clock()); - if (res == MSG_OK) - return 0; - else - return 1; + return res != MSG_OK; }