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"
8 #include <xbt/string.hpp>
10 XBT_LOG_NEW_DEFAULT_CATEGORY(storage, "Messages specific for this simulation");
12 static void display_storage_properties(simgrid::s4u::Storage* storage)
14 std::map<std::string, std::string>* props = storage->getProperties();
15 if (not props->empty()) {
16 XBT_INFO("\tProperties of mounted storage: %s", storage->getCname());
18 for (auto const& elm : *props) {
19 XBT_INFO(" %s->%s", elm.first.c_str(), elm.second.c_str());
22 XBT_INFO("\tNo property attached.");
26 static sg_size_t write_local_file(const std::string& dest, sg_size_t file_size)
28 simgrid::s4u::File file(dest, nullptr);
29 sg_size_t written = file.write(file_size);
30 XBT_INFO("%llu bytes on %llu bytes have been written by %s on /sd1", written, file_size,
31 simgrid::s4u::Actor::self()->getCname());
35 static sg_size_t read_local_file(const std::string& src)
37 simgrid::s4u::File file(src, nullptr);
38 sg_size_t file_size = file.size();
39 sg_size_t read = file.read(file_size);
40 XBT_INFO("%s has read %llu on %s", simgrid::s4u::Actor::self()->getCname(), read, src.c_str());
44 // Read src file on local disk and send a put message to remote host (size of message = size of src file)
45 static void hsm_put(const std::string& remote_host, const std::string& src, const std::string& dest)
47 // Read local src file, and return the size that was actually read
48 sg_size_t read_size = read_local_file(src);
51 XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::getCname(), read_size, remote_host.c_str());
52 std::string* payload = new std::string(simgrid::xbt::string_printf("%s %llu", dest.c_str(), read_size));
53 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(remote_host);
54 mailbox->put(payload, static_cast<double>(read_size));
55 simgrid::s4u::this_actor::sleep_for(.4);
58 static void display_storage_content(simgrid::s4u::Storage* storage)
60 XBT_INFO("Print the content of the storage element: %s", storage->getCname());
61 std::map<std::string, sg_size_t>* content = storage->getContent();
62 if (not content->empty()) {
63 for (auto const& entry : *content)
64 XBT_INFO("\t%s size: %llu bytes", entry.first.c_str(), entry.second);
66 XBT_INFO("\tNo content.");
70 static void dump_storage_by_name(const std::string& name)
72 XBT_INFO("*** Dump a storage element ***");
73 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(name);
74 display_storage_content(storage);
77 static void get_set_storage_data(const std::string& storage_name)
79 XBT_INFO("*** GET/SET DATA for storage element: %s ***", storage_name.c_str());
80 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(storage_name);
82 char* data = static_cast<char*>(storage->getUserdata());
83 XBT_INFO("Get data: '%s'", data);
84 storage->setUserdata(xbt_strdup("Some data"));
85 data = static_cast<char*>(storage->getUserdata());
86 XBT_INFO("\tSet and get data: '%s'", data);
90 static void dump_platform_storages()
92 std::map<std::string, simgrid::s4u::Storage*>* storages = simgrid::s4u::allStorages();
94 for (auto const& storage : *storages) {
95 XBT_INFO("Storage %s is attached to %s", storage.first.c_str(), storage.second->getHost()->getCname());
96 storage.second->setProperty("other usage", "gpfs");
101 static void storage_info(simgrid::s4u::Host* host)
103 XBT_INFO("*** Storage info on %s ***", host->getCname());
105 for (auto const& elm : host->getMountedStorages()) {
106 const std::string& mount_name = elm.first;
107 simgrid::s4u::Storage* storage = elm.second;
108 XBT_INFO("\tStorage name: %s, mount name: %s", storage->getCname(), mount_name.c_str());
110 sg_size_t free_size = storage->getSizeFree();
111 sg_size_t used_size = storage->getSizeUsed();
113 XBT_INFO("\t\tFree size: %llu bytes", free_size);
114 XBT_INFO("\t\tUsed size: %llu bytes", used_size);
116 display_storage_properties(storage);
117 dump_storage_by_name(storage->getCname());
123 hsm_put("alice", "/home/doc/simgrid/examples/msg/icomms/small_platform.xml", "c:\\Windows\\toto.cxx");
124 hsm_put("alice", "/home/doc/simgrid/examples/msg/parallel_task/test_ptask_deployment.xml", "c:\\Windows\\titi.xml");
125 hsm_put("alice", "/home/doc/simgrid/examples/msg/alias/masterslave_forwarder_with_alias.c", "c:\\Windows\\tata.c");
127 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName("alice");
128 mailbox->put(new std::string("finalize"), 0);
130 get_set_storage_data("Disk1");
135 storage_info(simgrid::s4u::this_actor::getHost());
136 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(simgrid::s4u::this_actor::getHost()->getCname());
138 XBT_INFO("Server waiting for transfers ...");
140 std::string* msg = static_cast<std::string*>(mailbox->get());
141 if (*msg == "finalize") { // Shutdown ...
144 } else { // Receive file to save
145 size_t pos = msg->find(' ');
146 std::string dest = msg->substr(0, pos);
147 sg_size_t size_to_write = std::stoull(msg->substr(pos + 1));
148 write_local_file(dest, size_to_write);
153 storage_info(simgrid::s4u::this_actor::getHost());
154 dump_platform_storages();
157 int main(int argc, char* argv[])
159 simgrid::s4u::Engine e(&argc, argv);
160 xbt_assert(argc == 2, "Usage: %s platform_file\n", argv[0]);
161 e.loadPlatform(argv[1]);
163 simgrid::s4u::Actor::createActor("server", simgrid::s4u::Host::by_name("alice"), server);
164 simgrid::s4u::Actor::createActor("client", simgrid::s4u::Host::by_name("bob"), client);
168 XBT_INFO("Simulated time: %g", e.getClock());