-/* $Id$ */
-/* Copyright (c) 2009 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. */
-
-/* surf_config: configuration infrastructure for the simulation world */
-
-#include "xbt/config.h"
-#include "xbt/str.h"
-#include "surf/surf_private.h"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
- "About the configuration of surf (and the rest of the simulation)");
-
-xbt_cfg_t _surf_cfg_set = NULL;
-
-
-/* Parse the command line, looking for options */
-static void surf_config_cmd_line(int *argc, char **argv)
-{
- int i, j;
- char *opt;
-
- for (i = 1; i < *argc; i++) {
- int remove_it = 0;
- if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
- opt = strchr(argv[i], '=');
- opt++;
-
- xbt_cfg_set_parse(_surf_cfg_set, opt);
- DEBUG1("Did apply '%s' as config setting", opt);
- remove_it = 1;
- } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
- !strncmp(argv[i], "--help", strlen("--help") + 1)) {
- printf
- ("Description of the configuration accepted by this simulator:\n");
- xbt_cfg_help(_surf_cfg_set);
- remove_it = 1;
- exit(0);
- }
- if (remove_it) { /*remove this from argv */
- for (j = i + 1; j < *argc; j++) {
- argv[j - 1] = argv[j];
- }
-
- argv[j - 1] = NULL;
- (*argc)--;
- i--; /* compensate effect of next loop incrementation */
- }
- }
-}
-
-
-int _surf_init_status = 0; /* 0: beginning of time;
- 1: pre-inited (cfg_set created);
- 2: inited (running) */
-
-/* callback of the workstation_model variable */
-static void _surf_cfg_cb__workstation_model(const char *name, int pos)
-{
- char *val;
-
- xbt_assert0(_surf_init_status < 2,
- "Cannot change the model after the initialization");
-
- val = xbt_cfg_get_string(_surf_cfg_set, name);
- /* New Module missing */
-
- find_model_description(surf_workstation_model_description, val);
-}
-
-/* callback of the cpu_model variable */
-static void _surf_cfg_cb__cpu_model(const char *name, int pos)
-{
- char *val;
-
- xbt_assert0(_surf_init_status < 2,
- "Cannot change the model after the initialization");
-
- val = xbt_cfg_get_string(_surf_cfg_set, name);
- /* New Module missing */
- find_model_description(surf_cpu_model_description, val);
-}
-
-/* callback of the workstation_model variable */
-static void _surf_cfg_cb__network_model(const char *name, int pos)
-{
- char *val;
-
- xbt_assert0(_surf_init_status < 2,
- "Cannot change the model after the initialization");
-
- val = xbt_cfg_get_string(_surf_cfg_set, name);
- /* New Module missing */
- find_model_description(surf_network_model_description, val);
-}
-
-/* callback of the tcp gamma variable */
-static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
-{
- sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
-}
-
-static void _surf_cfg_cb__surf_path(const char *name, int pos)
-{
- char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
- xbt_dynar_push(surf_path, &path);
-}
-
-static void _surf_cfg_cb__surf_maxmin_selective_update(const char *name, int pos)
-{
- sg_maxmin_selective_update = xbt_cfg_get_int(_surf_cfg_set, name);
-}
-
-#ifdef HAVE_GTNETS
-static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos){
- sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
-}
-static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos){
- sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
-}
-#endif
-
-/* create the config set, register what should be and parse the command line*/
-void surf_config_init(int *argc, char **argv)
-{
-
- /* Create the configuration support */
- if (_surf_init_status == 0) { /* Only create stuff if not already inited */
- _surf_init_status = 1;
-
- char *description = xbt_malloc(1024), *p = description;
- char *default_value;
- int default_value_int;
- int i;
-
- sprintf(description, "The model to use for the CPU. Possible values: ");
- p = description;
- while (*(++p) != '\0');
- for (i = 0; surf_cpu_model_description[i].name; i++)
- p +=
- sprintf(p, "%s%s", (i == 0 ? "" : ", "),
- surf_cpu_model_description[i].name);
- default_value = xbt_strdup("Cas01");
- xbt_cfg_register(&_surf_cfg_set,
- "cpu_model", description, xbt_cfgelm_string,
- &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
-
- sprintf(description,
- "The model to use for the network. Possible values: ");
- p = description;
- while (*(++p) != '\0');
- for (i = 0; surf_network_model_description[i].name; i++)
- p +=
- sprintf(p, "%s%s", (i == 0 ? "" : ", "),
- surf_network_model_description[i].name);
- default_value = xbt_strdup("LV08");
- xbt_cfg_register(&_surf_cfg_set,
- "network_model", description, xbt_cfgelm_string,
- &default_value, 1, 1, &_surf_cfg_cb__network_model,
- NULL);
-
- sprintf(description,
- "The model to use for the workstation. Possible values: ");
- p = description;
- while (*(++p) != '\0');
- for (i = 0; surf_workstation_model_description[i].name; i++)
- p +=
- sprintf(p, "%s%s", (i == 0 ? "" : ", "),
- surf_workstation_model_description[i].name);
- default_value = xbt_strdup("CLM03");
- xbt_cfg_register(&_surf_cfg_set,
- "workstation_model", description, xbt_cfgelm_string,
- &default_value, 1, 1, &_surf_cfg_cb__workstation_model,
- NULL);
-
- xbt_free(description);
-
- default_value = xbt_strdup("Full");
- xbt_cfg_register(&_surf_cfg_set, "routing",
- "Model to use to store the routing information",
- xbt_cfgelm_string, &default_value, 1, 1, NULL,
- NULL);
-
- xbt_cfg_register(&_surf_cfg_set, "TCP_gamma",
- "Size of the biggest TCP window", xbt_cfgelm_double,
- NULL, 1, 1, _surf_cfg_cb__tcp_gamma, NULL);
- xbt_cfg_set_double(_surf_cfg_set, "TCP_gamma", 20000.0);
-
- xbt_cfg_register(&_surf_cfg_set, "path",
- "Lookup path for inclusions in platform and deployment XML files",
- xbt_cfgelm_string, NULL, 0, 0, _surf_cfg_cb__surf_path,
- NULL);
-
- default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "maxmin_selective_update",
- "Update the constraint set propagating recursively to others constraints",
- xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__surf_maxmin_selective_update, NULL);
-
-#ifdef HAVE_GTNETS
- xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter",
- "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)", xbt_cfgelm_double,
- NULL, 1, 1, _surf_cfg_cb__gtnets_jitter, NULL);
- xbt_cfg_set_double(_surf_cfg_set, "gtnets_jitter", 0.0);
-
- default_value_int = 10;
- xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter_seed",
- "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
- xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__gtnets_jitter_seed, NULL);
-#endif
-
- if (!surf_path) {
- /* retrieves the current directory of the current process */
- const char *initial_path = __surf_get_initial_path();
- xbt_assert0((initial_path),
- "__surf_get_initial_path() failed! Can't resolves current Windows directory");
-
- surf_path = xbt_dynar_new(sizeof(char *), NULL);
- xbt_cfg_set_string(_surf_cfg_set, "path", initial_path);
- }
-
-
- surf_config_cmd_line(argc, argv);
- }
-}
-
-void surf_config_finalize(void)
-{
- if (!_surf_init_status)
- return; /* Not initialized yet. Nothing to do */
-
- xbt_cfg_free(&_surf_cfg_set);
- _surf_init_status = 0;
-}
-
-void surf_config_models_setup(const char *platform_file)
-{
- char *workstation_model_name;
- int workstation_id = -1;
-
- surf_timer_model_init(platform_file);
-
- workstation_model_name =
- xbt_cfg_get_string(_surf_cfg_set, "workstation_model");
- char *network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network_model");
- char *cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu_model");
-
- if ((strcmp(network_model_name,"LV08") || strcmp(cpu_model_name,"Cas01"))
- && !strcmp(workstation_model_name, "CLM03")){
- const char *val = "compound";
- INFO0("Switching workstation model to compound since you changed the network and/or cpu model(s)");
- xbt_cfg_set_string(_surf_cfg_set,"workstation_model",val);
- workstation_model_name = (char*)"compound";
- }
-
- DEBUG1("Workstation model: %s", workstation_model_name);
- workstation_id =
- find_model_description(surf_workstation_model_description,
- workstation_model_name);
- if (!strcmp(workstation_model_name, "compound")) {
- int network_id = -1;
- int cpu_id = -1;
-
- xbt_assert0(cpu_model_name,
- "Set a cpu model to use with the 'compound' workstation model");
-
- xbt_assert0(network_model_name,
- "Set a network model to use with the 'compound' workstation model");
-
- network_id =
- find_model_description(surf_network_model_description,
- network_model_name);
- cpu_id =
- find_model_description(surf_cpu_model_description, cpu_model_name);
-
- surf_cpu_model_description[cpu_id].model_init_preparse(platform_file);
- surf_network_model_description[network_id].
- model_init_preparse(platform_file);
- }
-
- DEBUG0("Call workstation_model_init");
- surf_workstation_model_description[workstation_id].model_init_preparse
- (platform_file);
-}
-
-void surf_config_models_create_elms(void)
-{
- char *workstation_model_name =
- xbt_cfg_get_string(_surf_cfg_set, "workstation_model");
- int workstation_id =
- find_model_description(surf_workstation_model_description,
- workstation_model_name);
- if (surf_workstation_model_description[workstation_id].
- model_init_postparse != NULL)
- surf_workstation_model_description[workstation_id].model_init_postparse();
-}
