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 xbt_dict_t props = storage->getProperties();
14 if (xbt_dict_length(props) > 0) {
15 XBT_INFO("\tProperties of mounted storage: %s", storage->getName());
17 xbt_dict_cursor_t cursor = NULL;
20 xbt_dict_foreach (props, cursor, key, data)
21 XBT_INFO("\t\t'%s' -> '%s'", key, data);
23 XBT_INFO("\tNo property attached.");
27 static sg_size_t write_local_file(const char* dest, sg_size_t file_size)
29 simgrid::s4u::File* file = new simgrid::s4u::File(dest, nullptr);
30 sg_size_t written = file->write(file_size);
31 XBT_INFO("%llu bytes on %llu bytes have been written by %s on /sd1", written, file_size,
32 simgrid::s4u::Actor::self()->getName().c_str());
37 static sg_size_t read_local_file(const char* src)
39 simgrid::s4u::File* file = new simgrid::s4u::File(src, nullptr);
40 sg_size_t file_size = file->size();
41 sg_size_t read = file->read(file_size);
43 XBT_INFO("%s has read %llu on %s", simgrid::s4u::Actor::self()->getName().c_str(), read, src);
49 // Read src file on local disk and send a put message to remote host (size of message = size of src file)
50 static void hsm_put(const char* remote_host, const char* src, const char* dest)
52 // Read local src file, and return the size that was actually read
53 sg_size_t read_size = read_local_file(src);
56 XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::getName().c_str(), read_size, remote_host);
57 char* payload = bprintf("%s %llu", dest, read_size);
58 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(remote_host);
59 mailbox->put(payload, static_cast<double>(read_size));
60 simgrid::s4u::this_actor::sleep_for(.4);
63 static void display_storage_content(simgrid::s4u::Storage* storage)
65 XBT_INFO("Print the content of the storage element: %s", storage->getName());
66 std::map<std::string, sg_size_t>* content = storage->getContent();
67 if (not content->empty()) {
68 for (auto entry : *content)
69 XBT_INFO("\t%s size: %llu bytes", entry.first.c_str(), entry.second);
71 XBT_INFO("\tNo content.");
75 static void dump_storage_by_name(const char* name)
77 XBT_INFO("*** Dump a storage element ***");
78 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(name);
79 display_storage_content(storage);
82 static void get_set_storage_data(const char* storage_name)
84 XBT_INFO("*** GET/SET DATA for storage element: %s ***", storage_name);
85 simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName(storage_name);
87 char* data = static_cast<char*>(storage->getUserdata());
88 XBT_INFO("Get data: '%s'", data);
89 storage->setUserdata(xbt_strdup("Some data"));
90 data = static_cast<char*>(storage->getUserdata());
91 XBT_INFO("\tSet and get data: '%s'", data);
95 static void dump_platform_storages()
97 std::map<std::string, simgrid::s4u::Storage*>* storages = simgrid::s4u::allStorages();
99 for (auto storage : *storages) {
100 XBT_INFO("Storage %s is attached to %s", storage.first.c_str(), storage.second->getHost()->getCname());
101 storage.second->setProperty("other usage", xbt_strdup("gpfs"));
106 static void storage_info(simgrid::s4u::Host* host)
108 XBT_INFO("*** Storage info on %s ***", host->getCname());
110 for (auto elm : host->getMountedStorages()) {
111 const char* mount_name = elm.first.c_str();
112 simgrid::s4u::Storage* storage = elm.second;
113 XBT_INFO("\tStorage name: %s, mount name: %s", storage->getName(), mount_name);
115 sg_size_t free_size = storage->getSizeFree();
116 sg_size_t used_size = storage->getSizeUsed();
118 XBT_INFO("\t\tFree size: %llu bytes", free_size);
119 XBT_INFO("\t\tUsed size: %llu bytes", used_size);
121 display_storage_properties(storage);
122 dump_storage_by_name(storage->getName());
128 hsm_put("alice", "/home/doc/simgrid/examples/msg/icomms/small_platform.xml", "c:\\Windows\\toto.cxx");
129 hsm_put("alice", "/home/doc/simgrid/examples/msg/parallel_task/test_ptask_deployment.xml", "c:\\Windows\\titi.xml");
130 hsm_put("alice", "/home/doc/simgrid/examples/msg/alias/masterslave_forwarder_with_alias.c", "c:\\Windows\\tata.c");
132 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName("alice");
133 mailbox->put(xbt_strdup("finalize"), 0);
135 get_set_storage_data("Disk1");
140 storage_info(simgrid::s4u::this_actor::getHost());
141 simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(simgrid::s4u::this_actor::getHost()->getCname());
143 XBT_INFO("Server waiting for transfers ...");
145 char* msg = static_cast<char*>(mailbox->get());
146 if (not strcmp(msg, "finalize")) { // Shutdown ...
149 } else { // Receive file to save
151 char* dest = strtok_r(msg, " ", &saveptr);
152 sg_size_t size_to_write = std::stoull(strtok_r(nullptr, " ", &saveptr));
153 write_local_file(dest, size_to_write);
158 storage_info(simgrid::s4u::this_actor::getHost());
159 dump_platform_storages();
162 int main(int argc, char* argv[])
164 simgrid::s4u::Engine* e = new simgrid::s4u::Engine(&argc, argv);
165 xbt_assert(argc == 2, "Usage: %s platform_file\n", argv[0]);
166 e->loadPlatform(argv[1]);
168 simgrid::s4u::Actor::createActor("server", simgrid::s4u::Host::by_name("alice"), server);
169 simgrid::s4u::Actor::createActor("client", simgrid::s4u::Host::by_name("bob"), client);
173 XBT_INFO("Simulated time: %g", e->getClock());