1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include "msg_private.h"
8 #include "xbt/sysdep.h"
17 /** @addtogroup msg_easier_life
18 * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Platforms and Applications" --> \endhtmlonly
22 /********************************* MSG **************************************/
24 /** \ingroup msg_easier_life
25 * \brief A name directory service...
27 * Finds a m_host_t using its name.
28 * \param name the name of an host.
29 * \return the corresponding host
31 m_host_t MSG_get_host_by_name(const char *name)
33 smx_host_t simix_h = NULL;
34 simix_h = simcall_host_get_by_name(name);
39 return (m_host_t) simcall_host_get_data(simix_h);
42 /** \ingroup msg_easier_life
43 * \brief A platform constructor.
45 * Creates a new platform, including hosts, links and the
47 * \param file a filename of a xml description of a platform. This file
50 * \include simgrid.dtd
52 * Here is a small example of such a platform
54 * \include small_platform.xml
56 * Have a look in the directory examples/msg/ to have a big example.
58 void MSG_create_environment(const char *file)
60 xbt_lib_cursor_t cursor;
64 SIMIX_create_environment(file);
66 /* Initialize MSG hosts */
67 xbt_lib_foreach(host_lib, cursor, name, data) {
68 if(data[SIMIX_HOST_LEVEL])
69 __MSG_host_create((smx_host_t)data[SIMIX_HOST_LEVEL], NULL);
75 * \brief A platform constructor bypassing the parser.
77 * load lua script file to set up new platform, including hosts,links
78 * and the routing table
81 void MSG_load_platform_script(const char *script_file)
84 lua_State *L = lua_open();
87 if (luaL_loadfile(L, script_file) || lua_pcall(L, 0, 0, 0)) {
88 printf("error: %s\n", lua_tostring(L, -1));
93 ("Lua is not available! It is mandatory to use MSG_load_platform_script however. Bailing out...");