1 /* Copyright (c) 2006-2021. 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/Engine.hpp>
8 #include "src/kernel/resource/CpuImpl.hpp"
9 #include "src/kernel/resource/LinkImpl.hpp"
10 #include "src/surf/surf_interface.hpp"
11 #include "src/surf/xml/platf.hpp"
12 #include "src/surf/xml/platf_private.hpp"
17 #include "src/bindings/lua/simgrid_lua.hpp"
19 #include <lua.h> /* Always include this when calling Lua */
20 #include <lauxlib.h> /* Always include this when calling Lua */
21 #include <lualib.h> /* Prototype for luaL_openlibs(), */
24 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
26 /* Trace related stuff */
27 XBT_PRIVATE std::unordered_map<std::string, simgrid::kernel::profile::Profile*> traces_set_list;
28 XBT_PRIVATE std::unordered_map<std::string, std::string> trace_connect_list_host_avail;
29 XBT_PRIVATE std::unordered_map<std::string, std::string> trace_connect_list_host_speed;
30 XBT_PRIVATE std::unordered_map<std::string, std::string> trace_connect_list_link_avail;
31 XBT_PRIVATE std::unordered_map<std::string, std::string> trace_connect_list_link_bw;
32 XBT_PRIVATE std::unordered_map<std::string, std::string> trace_connect_list_link_lat;
34 void sg_platf_trace_connect(simgrid::kernel::routing::TraceConnectCreationArgs* trace_connect)
36 surf_parse_assert(traces_set_list.find(trace_connect->trace) != traces_set_list.end(),
37 std::string("Cannot connect trace ") + trace_connect->trace + " to " + trace_connect->element +
40 switch (trace_connect->kind) {
41 case simgrid::kernel::routing::TraceConnectKind::HOST_AVAIL:
42 trace_connect_list_host_avail.insert({trace_connect->trace, trace_connect->element});
44 case simgrid::kernel::routing::TraceConnectKind::SPEED:
45 trace_connect_list_host_speed.insert({trace_connect->trace, trace_connect->element});
47 case simgrid::kernel::routing::TraceConnectKind::LINK_AVAIL:
48 trace_connect_list_link_avail.insert({trace_connect->trace, trace_connect->element});
50 case simgrid::kernel::routing::TraceConnectKind::BANDWIDTH:
51 trace_connect_list_link_bw.insert({trace_connect->trace, trace_connect->element});
53 case simgrid::kernel::routing::TraceConnectKind::LATENCY:
54 trace_connect_list_link_lat.insert({trace_connect->trace, trace_connect->element});
57 surf_parse_error(std::string("Cannot connect trace ") + trace_connect->trace + " to " + trace_connect->element +
58 ": unknown kind of trace");
62 /* This function acts as a main in the parsing area. */
63 void parse_platform_file(const std::string& file)
65 const char* cfile = file.c_str();
66 size_t len = strlen(cfile);
67 bool is_lua = len > 3 && file[len - 3] == 'l' && file[len - 2] == 'u' && file[len - 1] == 'a';
71 /* Check if file extension is "lua". If so, we will use
72 * the lua bindings to parse the platform file (since it is
73 * written in lua). If not, we will use the (old?) XML parser
77 static bool already_warned = false;
78 if (not already_warned) { // XBT_ATTRIB_DEPRECATED_v332
79 XBT_WARN("You are using a lua platform file. This feature is deprecated and will disappear after SimGrid v3.31.");
80 already_warned = true;
82 lua_State* L = luaL_newstate();
85 luaL_loadfile(L, cfile); // This loads the file without executing it.
88 xbt_assert(lua_pcall(L, 0, 0, 0) == 0, "FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Error message:",
93 XBT_WARN("This looks like a lua platform file, but your SimGrid was not compiled with lua. Loading it as XML.");
99 /* init the flex parser */
100 surf_parse_open(file);
102 /* Do the actual parsing */
105 /* Get the Engine singleton once and for all*/
106 const auto engine = simgrid::s4u::Engine::get_instance();
108 /* connect all profiles relative to hosts */
109 for (auto const& elm : trace_connect_list_host_avail) {
110 surf_parse_assert(traces_set_list.find(elm.first) != traces_set_list.end(),
111 std::string("<trace_connect kind=\"HOST_AVAIL\">: Trace ") + elm.first + " undefined.");
112 auto profile = traces_set_list.at(elm.first);
114 auto host = engine->host_by_name_or_null(elm.second);
115 surf_parse_assert(host, std::string("<trace_connect kind=\"HOST_AVAIL\">: Host ") + elm.second + " undefined.");
116 host->set_state_profile(profile);
119 for (auto const& elm : trace_connect_list_host_speed) {
120 surf_parse_assert(traces_set_list.find(elm.first) != traces_set_list.end(),
121 std::string("<trace_connect kind=\"SPEED\">: Trace ") + elm.first + " undefined.");
122 auto profile = traces_set_list.at(elm.first);
124 auto host = engine->host_by_name_or_null(elm.second);
125 surf_parse_assert(host, std::string("<trace_connect kind=\"SPEED\">: Host ") + elm.second + " undefined.");
126 host->set_speed_profile(profile);
129 for (auto const& elm : trace_connect_list_link_avail) {
130 surf_parse_assert(traces_set_list.find(elm.first) != traces_set_list.end(),
131 std::string("<trace_connect kind=\"LINK_AVAIL\">: Trace ") + elm.first + " undefined.");
132 auto profile = traces_set_list.at(elm.first);
134 auto link = engine->link_by_name_or_null(elm.second);
135 surf_parse_assert(link, std::string("<trace_connect kind=\"LINK_AVAIL\">: Link ") + elm.second + " undefined.");
136 link->set_state_profile(profile);
139 for (auto const& elm : trace_connect_list_link_bw) {
140 surf_parse_assert(traces_set_list.find(elm.first) != traces_set_list.end(),
141 std::string("<trace_connect kind=\"BANDWIDTH\">: Trace ") + elm.first + " undefined.");
142 auto profile = traces_set_list.at(elm.first);
144 auto link = engine->link_by_name_or_null(elm.second);
145 surf_parse_assert(link, std::string("<trace_connect kind=\"BANDWIDTH\">: Link ") + elm.second + " undefined.");
146 link->set_bandwidth_profile(profile);
149 for (auto const& elm : trace_connect_list_link_lat) {
150 surf_parse_assert(traces_set_list.find(elm.first) != traces_set_list.end(),
151 std::string("<trace_connect kind=\"LATENCY\">: Trace ") + elm.first + " undefined.");
152 auto profile = traces_set_list.at(elm.first);
154 auto link = engine->link_by_name_or_null(elm.second);
155 surf_parse_assert(link, std::string("<trace_connect kind=\"LATENCY\">: Link ") + elm.second + " undefined.");
156 link->set_latency_profile(profile);