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>
8 #include "simgrid/s4u.hpp"
10 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
15 void show_info(boost::unordered_map <std::string, simgrid::s4u::Storage*> const&mounts) {
16 XBT_INFO("Storage info on %s:", simgrid::s4u::Host::current()->cname());
18 for (const auto&kv : mounts) {
19 const char* mountpoint = kv.first.c_str();
20 simgrid::s4u::Storage &storage = *kv.second;
22 // Retrieve disk's information
23 sg_size_t free_size = storage.sizeFree();
24 sg_size_t used_size = storage.sizeUsed();
25 sg_size_t size = storage.size();
27 XBT_INFO(" %s (%s) Used: %llu; Free: %llu; Total: %llu.",
28 storage.name(), mountpoint, used_size, free_size, size);
33 boost::unordered_map <std::string, simgrid::s4u::Storage *> const& mounts =
34 simgrid::s4u::Host::current()->mountedStorages();
38 // Open an non-existing file to create it
39 const char* filename = "/home/tmp/data.txt";
40 simgrid::s4u::File* file = new simgrid::s4u::File(filename, nullptr);
42 sg_size_t write = file->write(200000); // Write 200,000 bytes
43 XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, filename);
45 // check that sizes have changed
48 // Now retrieve the size of created file and read it completely
49 const sg_size_t file_size = file->size();
51 const sg_size_t read = file->read(file_size);
52 XBT_INFO("Read %llu bytes on %s", read, filename);
54 // Now write 100,000 bytes in tmp/data.txt
55 write = file->write(100000); // Write 100,000 bytes
56 XBT_INFO("Write %llu bytes on %s", write, filename);
58 simgrid::s4u::Storage &storage = simgrid::s4u::Storage::byName("Disk4");
60 // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
61 const char *newpath = "/home/tmp/simgrid.readme";
62 XBT_INFO("Move '%s' to '%s'", file->path(), newpath);
65 // Test attaching some user data to the file
66 file->setUserdata(xbt_strdup("777"));
67 XBT_INFO("User data attached to the file: %s", (char*)file->userdata());
68 xbt_free(file->userdata());
73 // Now attach some user data to disk1
74 XBT_INFO("Get/set data for storage element: %s",storage.name());
75 XBT_INFO(" Uninitialized storage data: '%s'", (char*)storage.userdata());
77 storage.setUserdata(xbt_strdup("Some user data"));
78 XBT_INFO(" Set and get data: '%s'", (char*)storage.userdata());
80 xbt_free(storage.userdata());
84 int main(int argc, char **argv)
86 simgrid::s4u::Engine *e = new simgrid::s4u::Engine(&argc,argv);
87 e->loadPlatform("../../platforms/storage/storage.xml");
88 simgrid::s4u::Actor::createActor("host", simgrid::s4u::Host::by_name("denise"), MyHost());