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. */
6 #include <unordered_map>
9 #include "simgrid/s4u.h"
11 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
16 void show_info(boost::unordered_map <std::string, simgrid::s4u::Storage*> const&mounts) {
17 XBT_INFO("Storage info on %s:",
18 simgrid::s4u::Host::current()->name().c_str());
20 for (const auto&kv : mounts) {
21 const char* mountpoint = kv.first.c_str();
22 simgrid::s4u::Storage &storage = *kv.second;
24 // Retrieve disk's information
25 sg_size_t free_size = storage.sizeFree();
26 sg_size_t used_size = storage.sizeUsed();
27 sg_size_t size = storage.size();
29 XBT_INFO(" %s (%s) Used: %llu; Free: %llu; Total: %llu.",
30 storage.name(), mountpoint, used_size, free_size, size);
35 boost::unordered_map <std::string, simgrid::s4u::Storage *> const& mounts =
36 simgrid::s4u::Host::current()->mountedStorages();
40 // Open an non-existing file to create it
41 const char *filename = "/home/tmp/data.txt";
42 simgrid::s4u::File *file = new simgrid::s4u::File(filename, NULL);
44 sg_size_t write = file->write(200000); // Write 200,000 bytes
45 XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, filename);
47 // check that sizes have changed
50 // Now retrieve the size of created file and read it completely
51 const sg_size_t file_size = file->size();
53 const sg_size_t read = file->read(file_size);
54 XBT_INFO("Read %llu bytes on %s", read, filename);
56 // Now write 100,000 bytes in tmp/data.txt
57 write = file->write(100000); // Write 100,000 bytes
58 XBT_INFO("Write %llu bytes on %s", write, filename);
60 simgrid::s4u::Storage &storage = simgrid::s4u::Storage::byName("Disk4");
62 // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
63 const char *newpath = "/home/tmp/simgrid.readme";
64 XBT_INFO("Move '%s' to '%s'", file->path(), newpath);
67 // Test attaching some user data to the file
68 file->setUserdata(xbt_strdup("777"));
69 XBT_INFO("User data attached to the file: %s", (char*)file->userdata());
74 // Now attach some user data to disk1
75 XBT_INFO("Get/set data for storage element: %s",storage.name());
76 XBT_INFO(" Uninitialized storage data: '%s'", (char*)storage.userdata());
78 storage.setUserdata(xbt_strdup("Some user data"));
79 XBT_INFO(" Set and get data: '%s'", (char*)storage.userdata());
82 // Dump disks contents
83 XBT_INFO("*** Dump content of %s ***",Host::current()->name());
84 xbt_dict_t contents = NULL;
85 contents = MSG_host_get_storage_content(MSG_host_self()); // contents is a dict of dicts
86 xbt_dict_cursor_t curs, curs2 = NULL;
91 xbt_dict_foreach(contents, curs, mountname, content){
92 XBT_INFO("Print the content of mount point: %s",mountname);
93 xbt_dict_foreach(content,curs2,path,size){
94 XBT_INFO("%s size: %llu bytes", path,*((sg_size_t*)size));
96 xbt_dict_free(&content);
98 xbt_dict_free(&contents);
103 int main(int argc, char **argv)
105 simgrid::s4u::Engine *e = new simgrid::s4u::Engine(&argc,argv);
106 e->loadPlatform("../../platforms/storage/storage.xml");
107 simgrid::s4u::Actor("host", simgrid::s4u::Host::by_name("denise"), MyHost());