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[simgrid.git] / teshsuite / s4u / storage_client_server / storage_client_server.cpp
1 /* Copyright (c) 2013-2015, 2017. The    SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include "simgrid/s4u.hpp"
8 #include <string>
9
10 XBT_LOG_NEW_DEFAULT_CATEGORY(storage, "Messages specific for this simulation");
11
12 static void display_storage_properties(simgrid::s4u::Storage* storage)
13 {
14   xbt_dict_cursor_t cursor = NULL;
15   char* key;
16   char* data;
17   xbt_dict_t props = storage->properties();
18   if (xbt_dict_length(props) > 0) {
19     XBT_INFO("\tProperties of mounted storage: %s", storage->name());
20     xbt_dict_foreach (props, cursor, key, data)
21       XBT_INFO("\t\t'%s' -> '%s'", key, data);
22   } else {
23     XBT_INFO("\tNo property attached.");
24   }
25 }
26
27 static sg_size_t write_local_file(const char* dest, sg_size_t file_size)
28 {
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()->name().c_str());
33   delete file;
34   return written;
35 }
36
37 static sg_size_t read_local_file(const char* src)
38 {
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);
42
43   XBT_INFO("%s has read %llu on %s", simgrid::s4u::Actor::self()->name().c_str(), read, src);
44   delete file;
45
46   return read;
47 }
48
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)
51 {
52   // Read local src file, and return the size that was actually read
53   sg_size_t read_size = read_local_file(src);
54
55   // Send file
56   XBT_INFO("%s sends %llu to %s", simgrid::s4u::this_actor::name().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   simgrid::s4u::this_actor::send(mailbox, payload, static_cast<double>(read_size));
60   simgrid::s4u::this_actor::sleep_for(.4);
61 }
62
63 static void display_storage_content(simgrid::s4u::Storage* storage)
64 {
65   XBT_INFO("Print the content of the storage element: %s", storage->name());
66   std::map<std::string, sg_size_t*>* content = storage->content();
67   if (!content->empty()) {
68     for (auto entry : *content)
69       XBT_INFO("\t%s size: %llu bytes", entry.first.c_str(), *entry.second);
70   } else {
71     XBT_INFO("\tNo content.");
72   }
73 }
74
75 static void dump_storage_by_name(char* name)
76 {
77   XBT_INFO("*** Dump a storage element ***");
78   simgrid::s4u::Storage& storage = simgrid::s4u::Storage::byName(name);
79   display_storage_content(&storage);
80 }
81
82 static void get_set_storage_data(const char* storage_name)
83 {
84   XBT_INFO("*** GET/SET DATA for storage element: %s ***", storage_name);
85   simgrid::s4u::Storage& storage = simgrid::s4u::Storage::byName(storage_name);
86
87   char* data = (char*)storage.userdata();
88   XBT_INFO("Get data: '%s'", data);
89   storage.setUserdata(xbt_strdup("Some data"));
90   data = (char*)storage.userdata();
91   XBT_INFO("\tSet and get data: '%s'", data);
92   xbt_free(data);
93 }
94
95 // static void dump_platform_storages(void){
96 //  unsigned int cursor;
97 //  xbt_dynar_t storages = MSG_storages_as_dynar();
98 //  msg_storage_t storage;
99 //  xbt_dynar_foreach(storages, cursor, storage){
100 //    XBT_INFO("Storage %s is attached to %s", MSG_storage_get_name(storage), MSG_storage_get_host(storage));
101 //    MSG_storage_set_property_value(storage, "other usage", xbt_strdup("gpfs"));
102 //  }
103 //  xbt_dynar_free(&storages);
104 // Expected output in tesh file
105 //> [  1.207952] (server@alice) Storage Disk1 is attached to bob
106 //> [  1.207952] (server@alice) Storage Disk2 is attached to alice
107 //> [  1.207952] (server@alice) Storage Disk3 is attached to carl
108 //> [  1.207952] (server@alice) Storage Disk4 is attached to denise
109 //}
110
111 static void storage_info(simgrid::s4u::Host* host)
112 {
113   XBT_INFO("*** Storage info on %s ***", host->cname());
114   xbt_dict_cursor_t cursor = NULL;
115   char* mount_name;
116   char* storage_name;
117
118   xbt_dict_t storage_list = host->mountedStoragesAsDict();
119   xbt_dict_foreach (storage_list, cursor, mount_name, storage_name) {
120     XBT_INFO("\tStorage name: %s, mount name: %s", storage_name, mount_name);
121     simgrid::s4u::Storage& storage = simgrid::s4u::Storage::byName(storage_name);
122
123     sg_size_t free_size = storage.sizeFree();
124     sg_size_t used_size = storage.sizeUsed();
125
126     XBT_INFO("\t\tFree size: %llu bytes", free_size);
127     XBT_INFO("\t\tUsed size: %llu bytes", used_size);
128
129     display_storage_properties(&storage);
130     dump_storage_by_name(storage_name);
131   }
132   xbt_dict_free(&storage_list);
133 }
134
135 static void client()
136 {
137   hsm_put("alice", "/home/doc/simgrid/examples/msg/icomms/small_platform.xml", "c:\\Windows\\toto.cxx");
138   hsm_put("alice", "/home/doc/simgrid/examples/msg/parallel_task/test_ptask_deployment.xml", "c:\\Windows\\titi.xml");
139   hsm_put("alice", "/home/doc/simgrid/examples/msg/alias/masterslave_forwarder_with_alias.c", "c:\\Windows\\tata.c");
140
141   simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName("alice");
142   simgrid::s4u::this_actor::send(mailbox, xbt_strdup("finalize"), 0);
143
144   get_set_storage_data("Disk1");
145 }
146
147 static void server()
148 {
149   storage_info(simgrid::s4u::this_actor::host());
150   simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(simgrid::s4u::this_actor::host()->cname());
151
152   XBT_INFO("Server waiting for transfers ...");
153   while (1) {
154     char* msg = static_cast<char*>(simgrid::s4u::this_actor::recv(mailbox));
155     if (!strcmp(msg, "finalize")) { // Shutdown ...
156       xbt_free(msg);
157       break;
158     } else { // Receive file to save
159       char* saveptr;
160       char* dest              = strtok_r(msg, " ", &saveptr);
161       sg_size_t size_to_write = std::stoull(strtok_r(nullptr, " ", &saveptr));
162       write_local_file(dest, size_to_write);
163       xbt_free(dest);
164     }
165   }
166
167   storage_info(simgrid::s4u::this_actor::host());
168   //  dump_platform_storages();
169 }
170
171 int main(int argc, char* argv[])
172 {
173   simgrid::s4u::Engine* e = new simgrid::s4u::Engine(&argc, argv);
174   xbt_assert(argc == 2, "Usage: %s platform_file\n", argv[0]);
175   e->loadPlatform(argv[1]);
176
177   simgrid::s4u::Actor::createActor("server", simgrid::s4u::Host::by_name("alice"), server);
178   simgrid::s4u::Actor::createActor("client", simgrid::s4u::Host::by_name("bob"), client);
179
180   e->run();
181
182   XBT_INFO("Simulated time: %g", e->getClock());
183
184   return 0;
185 }