1 /* Copyright (c) 2013-2017. 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. */
6 #include "simgrid/s4u.hpp"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(storage, "Messages specific for this simulation");
11 static void display_storage_properties(simgrid::s4u::Storage* storage)
13 std::map<std::string, std::string>* props = storage->getProperties();
14 if (not props->empty()) {
15 XBT_INFO("\tProperties of mounted storage: %s", storage->getCname());
17 for (auto const& elm : *props) {
18 XBT_INFO(" %s->%s", elm.first.c_str(), elm.second.c_str());
21 XBT_INFO("\tNo property attached.");
25 static sg_size_t write_local_file(const std::string& dest, sg_size_t file_size)
27 simgrid::s4u::File file(dest, nullptr);
28 sg_size_t written = file.write(file_size);
29 XBT_INFO("%llu bytes on %llu bytes have been written by %s on /sd1", written, file_size,
30 simgrid::s4u::Actor::self()->getCname());
34 static sg_size_t read_local_file(const std::string& src)
36 simgrid::s4u::File file(src, nullptr);
37 sg_size_t file_size = file.size();
38 sg_size_t read = file.read(file_size);
39 XBT_INFO("%s has read %llu on %s", simgrid::s4u::Actor::self()->getCname(), read, src.c_str());
43 // Read src file on local disk and send a put message to remote host (size of message = size of src file)
44 static void hsm_put(const std::string& remote_host, const std::string& src, const std::string& dest)
46 // Read local src file, and return the size that was actually read
47 sg_size_t read_size = read_local_file(src);
50 XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::getCname(), read_size, remote_host.c_str());
51 std::string* payload = new std::string(simgrid::xbt::string_printf("%s %llu", dest.c_str(), read_size));
52 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(remote_host);
53 mailbox->put(payload, static_cast<double>(read_size));
54 simgrid::s4u::this_actor::sleep_for(.4);
57 static void display_storage_content(simgrid::s4u::Storage* storage)
59 XBT_INFO("Print the content of the storage element: %s", storage->getCname());
60 std::map<std::string, sg_size_t>* content = storage->getContent();
61 if (not content->empty()) {
62 for (auto const& entry : *content)
63 XBT_INFO("\t%s size: %llu bytes", entry.first.c_str(), entry.second);
65 XBT_INFO("\tNo content.");
69 static void dump_storage_by_name(const std::string& name)
71 XBT_INFO("*** Dump a storage element ***");
72 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(name);
73 display_storage_content(storage);
76 static void get_set_storage_data(const std::string& storage_name)
78 XBT_INFO("*** GET/SET DATA for storage element: %s ***", storage_name.c_str());
79 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(storage_name);
81 char* data = static_cast<char*>(storage->getUserdata());
82 XBT_INFO("Get data: '%s'", data);
83 storage->setUserdata(xbt_strdup("Some data"));
84 data = static_cast<char*>(storage->getUserdata());
85 XBT_INFO("\tSet and get data: '%s'", data);
89 static void dump_platform_storages()
91 std::map<std::string, simgrid::s4u::Storage*>* storages = simgrid::s4u::allStorages();
93 for (auto const& storage : *storages) {
94 XBT_INFO("Storage %s is attached to %s", storage.first.c_str(), storage.second->getHost()->getCname());
95 storage.second->setProperty("other usage", "gpfs");
100 static void storage_info(simgrid::s4u::Host* host)
102 XBT_INFO("*** Storage info on %s ***", host->getCname());
104 for (auto const& elm : host->getMountedStorages()) {
105 const std::string& mount_name = elm.first;
106 simgrid::s4u::Storage* storage = elm.second;
107 XBT_INFO("\tStorage name: %s, mount name: %s", storage->getCname(), mount_name.c_str());
109 sg_size_t free_size = storage->getSizeFree();
110 sg_size_t used_size = storage->getSizeUsed();
112 XBT_INFO("\t\tFree size: %llu bytes", free_size);
113 XBT_INFO("\t\tUsed size: %llu bytes", used_size);
115 display_storage_properties(storage);
116 dump_storage_by_name(storage->getCname());
122 hsm_put("alice", "/home/doc/simgrid/examples/msg/icomms/small_platform.xml", "c:\\Windows\\toto.cxx");
123 hsm_put("alice", "/home/doc/simgrid/examples/msg/parallel_task/test_ptask_deployment.xml", "c:\\Windows\\titi.xml");
124 hsm_put("alice", "/home/doc/simgrid/examples/msg/alias/masterslave_forwarder_with_alias.c", "c:\\Windows\\tata.c");
126 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName("alice");
127 mailbox->put(new std::string("finalize"), 0);
129 get_set_storage_data("Disk1");
134 storage_info(simgrid::s4u::this_actor::getHost());
135 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(simgrid::s4u::this_actor::getHost()->getCname());
137 XBT_INFO("Server waiting for transfers ...");
139 std::string* msg = static_cast<std::string*>(mailbox->get());
140 if (*msg == "finalize") { // Shutdown ...
143 } else { // Receive file to save
144 size_t pos = msg->find(' ');
145 std::string dest = msg->substr(0, pos);
146 sg_size_t size_to_write = std::stoull(msg->substr(pos + 1));
147 write_local_file(dest, size_to_write);
152 storage_info(simgrid::s4u::this_actor::getHost());
153 dump_platform_storages();
156 int main(int argc, char* argv[])
158 simgrid::s4u::Engine e(&argc, argv);
159 xbt_assert(argc == 2, "Usage: %s platform_file\n", argv[0]);
160 e.loadPlatform(argv[1]);
162 simgrid::s4u::Actor::createActor("server", simgrid::s4u::Host::by_name("alice"), server);
163 simgrid::s4u::Actor::createActor("client", simgrid::s4u::Host::by_name("bob"), client);
167 XBT_INFO("Simulated time: %g", e.getClock());