3 /* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/sysdep.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_environment, msg,
12 "Logging specific to MSG (environment)");
14 /** \defgroup msg_easier_life Platform and Application management
15 * \brief This section describes functions to manage the platform creation
16 * and the application deployment. You should also have a look at
17 * \ref MSG_examples to have an overview of their usage.
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 xbt_fifo_item_t i = NULL;
36 xbt_assert0(((msg_global != NULL)
37 && (msg_global->host != NULL)), "Environment not set yet");
39 xbt_fifo_foreach(msg_global->host,i,host,m_host_t) {
40 if(strcmp(host->name, name) == 0) return host;
45 /** \ingroup msg_easier_life
46 * \brief A platform constructor.
48 * Creates a new platform, including hosts, links and the
50 * \param file a filename of a xml description of a platform. This file
53 * \include surfxml.dtd
55 * Here is a small example of such a platform
57 * \include small_platform.xml
59 * Have a look in the directory examples/msg/ to have a big example.
61 void MSG_create_environment(const char *file) {
62 xbt_dict_cursor_t cursor = NULL;
64 void *workstation = NULL;
65 char *workstation_model_name;
67 msg_config_init(); /* make sure that our configuration set is created */
68 surf_timer_resource_init(file);
70 /* which model do you want today? */
71 workstation_model_name = xbt_cfg_get_string (_msg_cfg_set, "surf_workstation_model");
73 DEBUG1("Model : %s", workstation_model_name);
74 if (!strcmp(workstation_model_name,"KCCFLN05")) {
75 surf_workstation_resource_init_KCCFLN05(file);
76 } else if (!strcmp(workstation_model_name,"CLM03")) {
77 surf_workstation_resource_init_CLM03(file);
79 xbt_assert0(0,"The impossible happened (once again)");
81 _msg_init_status = 2; /* inited; don't change settings now */
83 xbt_dict_foreach(workstation_set, cursor, name, workstation) {
84 __MSG_host_create(name, workstation, NULL);