1 /* Copyright (c) 2006-2015. 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. */
7 #include <unordered_map>
10 #include "simgrid/s4u.h"
12 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
14 class myHost : simgrid::s4u::Actor {
16 myHost(const char*procname, simgrid::s4u::Host *host,int argc, char **argv)
17 : simgrid::s4u::Actor(procname,host,argc,argv){}
19 void show_info(boost::unordered_map <std::string, simgrid::s4u::Storage*> const&mounts) {
20 XBT_INFO("Storage info on %s:",
21 simgrid::s4u::Host::current()->name().c_str());
23 for (const auto&kv : mounts) {
24 const char* mountpoint = kv.first.c_str();
25 simgrid::s4u::Storage &storage = *kv.second;
27 // Retrieve disk's information
28 sg_size_t free_size = storage.size_free();
29 sg_size_t used_size = storage.size_used();
30 sg_size_t size = storage.size();
32 XBT_INFO(" %s (%s) Used: %llu; Free: %llu; Total: %llu.",
33 storage.name(), mountpoint, used_size, free_size, size);
37 int main(int argc, char **argv) {
38 boost::unordered_map <std::string, simgrid::s4u::Storage *> const& mounts =
39 simgrid::s4u::Host::current()->mounted_storages();
43 // Open an non-existing file to create it
44 const char *filename = "/home/tmp/data.txt";
45 simgrid::s4u::File *file = new simgrid::s4u::File(filename, NULL);
46 sg_size_t write, read, file_size;
48 write = file->write(200000); // Write 200,000 bytes
49 XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, filename);
51 // check that sizes have changed
54 // Now retrieve the size of created file and read it completely
55 file_size = file->size();
57 read = file->read(file_size);
58 XBT_INFO("Read %llu bytes on %s", read, filename);
60 // Now write 100,000 bytes in tmp/data.txt
61 write = file->write(100000); // Write 100,000 bytes
62 XBT_INFO("Write %llu bytes on %s", write, filename);
64 simgrid::s4u::Storage &storage = simgrid::s4u::Storage::byName("Disk4");
66 // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
67 const char *newpath = "/home/tmp/simgrid.readme";
68 XBT_INFO("Move '%s' to '%s'", file->path(), newpath);
71 // Test attaching some user data to the file
72 file->set_userdata(xbt_strdup("777"));
73 XBT_INFO("User data attached to the file: %s", (char*)file->userdata());
78 // Now attach some user data to disk1
79 XBT_INFO("Get/set data for storage element: %s",storage.name());
80 XBT_INFO(" Uninitialized storage data: '%s'", (char*)storage.userdata());
82 storage.set_userdata(xbt_strdup("Some user data"));
83 XBT_INFO(" Set and get data: '%s'", (char*)storage.userdata());
86 // Dump disks contents
87 XBT_INFO("*** Dump content of %s ***",Host::current()->name());
88 xbt_dict_t contents = NULL;
89 contents = MSG_host_get_storage_content(MSG_host_self()); // contents is a dict of dicts
90 xbt_dict_cursor_t curs, curs2 = NULL;
95 xbt_dict_foreach(contents, curs, mountname, content){
96 XBT_INFO("Print the content of mount point: %s",mountname);
97 xbt_dict_foreach(content,curs2,path,size){
98 XBT_INFO("%s size: %llu bytes", path,*((sg_size_t*)size));
100 xbt_dict_free(&content);
102 xbt_dict_free(&contents);
108 int main(int argc, char **argv) {
109 simgrid::s4u::Engine *e = new simgrid::s4u::Engine(&argc,argv);
110 e->loadPlatform("../../platforms/storage/storage.xml");
112 new myHost("host", simgrid::s4u::Host::by_name("denise"), 0, NULL);