1 /* Copyright (c) 2006-2017. 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>
9 #include "simgrid/s4u.hpp"
10 #include "src/plugins/file_system/FileSystem.hpp"
12 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
16 void show_info(std::unordered_map<std::string, simgrid::s4u::Storage*> const& mounts)
18 XBT_INFO("Storage info on %s:", simgrid::s4u::Host::current()->getCname());
20 for (auto const& kv : mounts) {
21 std::string mountpoint = kv.first;
22 simgrid::s4u::Storage* storage = kv.second;
24 // Retrieve disk's information
25 XBT_INFO(" %s (%s) Used: %llu; Free: %llu; Total: %llu.", storage->getCname(), mountpoint.c_str(),
26 sg_storage_get_size_used(storage), sg_storage_get_size_free(storage), sg_storage_get_size(storage));
31 std::unordered_map<std::string, simgrid::s4u::Storage*> const& mounts =
32 simgrid::s4u::Host::current()->getMountedStorages();
36 // Open an non-existing file to create it
37 std::string filename = "/home/tmp/data.txt";
38 simgrid::s4u::File* file = new simgrid::s4u::File(filename, nullptr);
40 sg_size_t write = file->write(200000); // Write 200,000 bytes
41 XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, filename.c_str());
43 // check that sizes have changed
46 // Now retrieve the size of created file and read it completely
47 const sg_size_t file_size = file->size();
49 const sg_size_t read = file->read(file_size);
50 XBT_INFO("Read %llu bytes on %s", read, filename.c_str());
52 // Now write 100,000 bytes in tmp/data.txt
53 write = file->write(100000); // Write 100,000 bytes
54 XBT_INFO("Write %llu bytes on %s", write, filename.c_str());
56 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName("Disk4");
58 // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
59 std::string newpath = "/home/tmp/simgrid.readme";
60 XBT_INFO("Move '%s' to '%s'", file->getPath(), newpath.c_str());
63 // Test attaching some user data to the file
64 file->setUserdata(new std::string("777"));
65 std::string* file_data = static_cast<std::string*>(file->getUserdata());
66 XBT_INFO("User data attached to the file: %s", file_data->c_str());
72 // Now attach some user data to disk1
73 XBT_INFO("Get/set data for storage element: %s", storage->getCname());
74 XBT_INFO(" Uninitialized storage data: '%s'", static_cast<char*>(storage->getUserdata()));
76 storage->setUserdata(new std::string("Some user data"));
77 std::string* storage_data = static_cast<std::string*>(storage->getUserdata());
78 XBT_INFO(" Set and get data: '%s'", storage_data->c_str());
83 int main(int argc, char **argv)
85 simgrid::s4u::Engine e(&argc, argv);
86 sg_storage_file_system_init();
87 e.loadPlatform("../../platforms/storage/storage.xml");
88 simgrid::s4u::Actor::createActor("host", simgrid::s4u::Host::by_name("denise"), MyHost());