X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3a1ea70a418f393ca1677074e928c664022295bd..HEAD:/src/bindings/lua/lua_host.cpp

diff --git a/src/bindings/lua/lua_host.cpp b/src/bindings/lua/lua_host.cpp
deleted file mode 100644
index 05baee23a8..0000000000
--- a/src/bindings/lua/lua_host.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-/* Copyright (c) 2010-2020. The SimGrid Team. All rights reserved.          */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-/* SimGrid Lua bindings                                                     */
-
-#include "lua_private.hpp"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Host.hpp"
-#include <lauxlib.h>
-
-constexpr char HOST_MODULE_NAME[] = "simgrid.host";
-constexpr char HOST_FIELDNAME[]   = "__simgrid_host";
-
-/* ********************************************************************************* */
-/*                                simgrid.host API                                   */
-/* ********************************************************************************* */
-
-/** @brief Ensures that the pointed stack value is a host userdatum and returns it.
- *
- * @param L a Lua state
- * @param index an index in the Lua stack
- * @return the C host corresponding to this Lua host
- */
-sg_host_t sglua_check_host(lua_State * L, int index)
-{
-  luaL_checktype(L, index, LUA_TTABLE);
-  lua_getfield(L, index, HOST_FIELDNAME);
-  auto* pi = static_cast<sg_host_t*>(luaL_checkudata(L, lua_gettop(L), HOST_MODULE_NAME));
-  lua_pop(L, 1);
-  xbt_assert(pi != nullptr, "luaL_checkudata() returned nullptr");
-  sg_host_t ht = *pi;
-  if (not ht)
-    luaL_error(L, "null Host");
-  return ht;
-}
-
-/**
- * @brief Returns a host given its name. This is a lua function.
- *
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (string): name of a host
- * - Return value (host): the corresponding host will be pushed onto the stack
- */
-static int l_host_get_by_name(lua_State * L)
-{
-  const char *name = luaL_checkstring(L, 1);
-  lua_remove(L, 1); /* remove the args from the stack */
-
-  sg_host_t host = sg_host_by_name(name);
-  lua_ensure(host, "No host name '%s' found.", name);
-
-  lua_newtable(L);                        /* table */
-  auto* lua_host = static_cast<sg_host_t*>(lua_newuserdata(L, sizeof(sg_host_t))); /* table userdatum */
-  *lua_host = host;
-  luaL_getmetatable(L, HOST_MODULE_NAME); /* table userdatum metatable */
-  lua_setmetatable(L, -2);                /* table userdatum */
-  lua_setfield(L, -2, HOST_FIELDNAME);    /* table -- put the userdata as field of the table */
-
-  return 1;
-}
-
-/**
- * @brief Returns the name of a host.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (host): a host
- * - Return value (string): name of this host
- */
-static int l_host_get_name(lua_State * L)
-{
-  auto const* ht = sglua_check_host(L, 1);
-  lua_pushstring(L, ht->get_cname());
-  return 1;
-}
-
-/**
- * @brief Returns the number of existing hosts.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Return value (number): number of hosts
- */
-static int l_host_number(lua_State * L)
-{
-  lua_pushinteger(L, simgrid::s4u::Engine::get_instance()->get_host_count());
-  return 1;
-}
-
-/**
- * @brief Returns the host given its index.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (number): an index (1 is the first)
- * - Return value (host): the host at this index
- */
-static int l_host_at(lua_State * L)
-{
-  lua_Integer index            = luaL_checkinteger(L, 1);
-  std::vector<sg_host_t> hosts = simgrid::s4u::Engine::get_instance()->get_all_hosts();
-  sg_host_t host               = hosts[index - 1]; // lua indexing start by 1 (lua[1] <=> C[0])
-  lua_newtable(L);              /* create a table, put the userdata on top of it */
-  auto* lua_host = static_cast<sg_host_t*>(lua_newuserdata(L, sizeof(sg_host_t)));
-  *lua_host = host;
-  luaL_getmetatable(L, HOST_MODULE_NAME);
-  lua_setmetatable(L, -2);
-  lua_setfield(L, -2, HOST_FIELDNAME);        /* put the userdata as field of the table */
-  return 1;
-}
-
-/**
- * @brief Returns the value of a host property.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (host): a host
- * - Argument 2 (string): name of the property to get
- * - Return value (string): the value of this property
- */
-static int l_host_get_property_value(lua_State * L)
-{
-  const_sg_host_t ht = sglua_check_host(L, 1);
-  const char *prop = luaL_checkstring(L, 2);
-  lua_pushstring(L, sg_host_get_property_value(ht,prop));
-  return 1;
-}
-
-/**
- * @brief Destroys a host.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (host): the host to destroy
- */
-static int l_host_destroy(lua_State *L)
-{
-  sg_host_t ht = sglua_check_host(L, 1);
-  ht->destroy();
-  return 0;
-}
-
-static const luaL_Reg host_functions[] = {
-  {"get_by_name", l_host_get_by_name},
-  {"name", l_host_get_name},
-  {"number", l_host_number},
-  {"at", l_host_at},
-  {"get_prop_value", l_host_get_property_value},
-  {"destroy", l_host_destroy},
-  // Bypass XML Methods
-  {"set_property", console_host_set_property},
-  {nullptr, nullptr}
-};
-
-/**
- * @brief Returns a string representation of a host.
- * @param L a Lua state
- * @return number of values returned to Lua
- *
- * - Argument 1 (userdata): a host
- * - Return value (string): a string describing this host
- */
-static int l_host_tostring(lua_State * L)
-{
-  lua_pushfstring(L, "Host :%p", lua_touserdata(L, 1));
-  return 1;
-}
-
-static const luaL_Reg host_meta[] = {{"__tostring", l_host_tostring}, {nullptr, nullptr}};
-
-/**
- * @brief Registers the host functions into the table simgrid.host.
- *
- * Also initialize the metatable of the host userdata type.
- *
- * @param L a lua state
- */
-void sglua_register_host_functions(lua_State* L)
-{
-  /* create a table simgrid.host and fill it with host functions */
-  lua_getglobal(L, "simgrid"); /* simgrid */
-  luaL_newlib(L, host_functions); /* simgrid simgrid.host */
-  lua_setfield(L, -2, "host"); /* simgrid */
-  lua_getfield(L, -1, "host");    /* simgrid simgrid.host */
-
-  /* create the metatable for host, add it to the Lua registry */
-  luaL_newmetatable(L, HOST_MODULE_NAME); /* simgrid simgrid.host mt */
-
-  /* fill the metatable */
-  luaL_setfuncs(L, host_meta, 0);         /* simgrid simgrid.host mt */
-
-  /**
-   * Copy the table and push it onto the stack.
-   * Required for the lua_setfield call below.
-   */
-  lua_getfield(L, -3, "host");                   /* simgrid simgrid.host mt simgrid.host */
-
-  /* metatable.__index = simgrid.host
-   * we put the host functions inside the host userdata itself:
-   * this allows one to write my_host:method(args) for
-   * simgrid.host.method(my_host, args) */
-  lua_setfield(L, -2, "__index");         /* simgrid simgrid.host mt */
-
-  lua_setmetatable(L, -2);                /* simgrid simgrid.host */
-  lua_pop(L, 2);                          /* -- */
-}
-