X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c4e0441cc7811dd6e46604a83848ce702fa58a5b..13025e8ea0f4fccfb16bc3214ed42aefa1b8d9d9:/src/surf/surf_config.c diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c index 369cfa89e3..23de181fb9 100644 --- a/src/surf/surf_config.c +++ b/src/surf/surf_config.c @@ -1,6 +1,5 @@ -/* $Id$ */ - -/* Copyright (c) 2009 The SimGrid team. All rights reserved. */ +/* Copyright (c) 2009, 2010. 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. */ @@ -10,218 +9,519 @@ #include "xbt/config.h" #include "xbt/str.h" #include "surf/surf_private.h" +#include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */ +#include "simix/context.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config,surf,"About the configuration of surf (and the rest of the simulation)"); +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) */ +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); + XBT_DEBUG("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); + printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n"); +#ifdef HAVE_TRACING + printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n"); +#endif + exit(0); + } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) { + model_help("workstation", surf_workstation_model_description); + model_help("CPU", surf_cpu_model_description); + model_help("network", surf_network_model_description); + exit(0); +#ifdef HAVE_TRACING + } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) { + TRACE_help (1); + exit(0); +#endif + } + 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 */ + } + } +} -/* callback of the workstation_model variable */ + +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; + char *val; - xbt_assert0(_surf_init_status < 2, - "Cannot change the model after the initialization"); + xbt_assert(_surf_init_status < 2, + "Cannot change the model after the initialization"); - val = xbt_cfg_get_string(_surf_cfg_set, name); - /* New Module missing */ + val = xbt_cfg_get_string(_surf_cfg_set, name); - find_model_description(surf_workstation_model_description, val); + if (!strcmp(val, "help")) { + model_help("workstation", surf_workstation_model_description); + exit(0); + } + + /* Make sure that the model exists */ + find_model_description(surf_workstation_model_description, val); } -/* callback of the cpu_model variable */ +/* callback of the cpu/model variable */ static void _surf_cfg_cb__cpu_model(const char *name, int pos) { - char *val; + char *val; + + xbt_assert(_surf_init_status < 2, + "Cannot change the model after the initialization"); - xbt_assert0(_surf_init_status < 2, - "Cannot change the model after the initialization"); + val = xbt_cfg_get_string(_surf_cfg_set, name); - val = xbt_cfg_get_string(_surf_cfg_set, name); - /* New Module missing */ - find_model_description(surf_cpu_model_description, val); + if (!strcmp(val, "help")) { + model_help("CPU", surf_cpu_model_description); + exit(0); + } + + /* 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; + char *val; + + xbt_assert(_surf_init_status < 2, + "Cannot change the model after the initialization"); + + val = xbt_cfg_get_string(_surf_cfg_set, name); - xbt_assert0(_surf_init_status < 2, - "Cannot change the model after the initialization"); + if (!strcmp(val, "help")) { + model_help("network", surf_network_model_description); + exit(0); + } - val = xbt_cfg_get_string(_surf_cfg_set, name); - /* New Module missing */ - find_model_description(surf_network_model_description, val); + /* New Module missing */ + find_model_description(surf_network_model_description, val); } -/* callback of the cpu_model variable */ + +/* callbacks of the network models values */ static void _surf_cfg_cb__tcp_gamma(const char *name, int pos) { - sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name); + sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name); +} + +static void _surf_cfg_cb__maxmin_precision(const char* name, int pos) +{ + sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name); +} + +static void _surf_cfg_cb__sender_gap(const char* name, int pos) +{ + sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name); +} + +static void _surf_cfg_cb__latency_factor(const char *name, int pos) +{ + sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name); +} + +static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos) +{ + sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name); +} + +static void _surf_cfg_cb__weight_S(const char *name, int pos) +{ + sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name); +} + +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); +} + +/* callback of the inclusion path */ +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); +} + +/* callback to decide if we want to use the model-checking */ +#include "xbt_modinter.h" +extern int _surf_do_model_check; /* this variable lives in xbt_main until I find a right location for it */ + +static void _surf_cfg_cb_model_check(const char *name, int pos) +{ + _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name); + + if (_surf_do_model_check) { + /* Tell modules using mallocators that they shouldn't. MC don't like them */ + xbt_fifo_preinit(); + xbt_dict_preinit(); + } +} + +extern int _surf_do_verbose_exit; + +static void _surf_cfg_cb_verbose_exit(const char *name, int pos) +{ + _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name); +} + + +static void _surf_cfg_cb_context_factory(const char *name, int pos) +{ + smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name); +} + +static void _surf_cfg_cb_context_stack_size(const char *name, int pos) +{ + smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024; +} + +static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos) +{ + SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name)); +} + +static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos) +{ + SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name)); +} + +static void _surf_cfg_cb__surf_network_coordinates(const char *name, + int pos) +{ + char *val = xbt_cfg_get_string(_surf_cfg_set, name); + if (!strcmp(val, "yes")) { + if (!COORD_HOST_LEVEL) { + COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp); + COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp); + } + } else if (!strcmp(val, "no")) { + if (COORD_HOST_LEVEL) + XBT_WARN("Cannot disable CMD prop coordinates, once set."); + } else { + XBT_WARN("Setting CMD prop coordinates must be \"yes\" or \"no\""); + } } +static void _surf_cfg_cb__surf_network_fullduplex(const char *name, + int pos) +{ + sg_network_fullduplex = 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_cfg_set) { /* Only create stuff if not already inited */ - _surf_cfg_set = xbt_cfg_new(); - _surf_init_status = 1; - - char *description = xbt_malloc(1024), *p = description; - int i; - sprintf(description,"The model to use for the workstation. Possible values: "); - 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); - - xbt_cfg_register(_surf_cfg_set, - "workstation_model", xbt_strdup(description), xbt_cfgelm_string, 1, 1, - &_surf_cfg_cb__workstation_model, NULL); - - 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); - xbt_cfg_register(_surf_cfg_set, - "cpu_model", xbt_strdup(description), xbt_cfgelm_string, 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); - xbt_cfg_register(_surf_cfg_set, - "network_model", description, xbt_cfgelm_string, 1, 1, - &_surf_cfg_cb__network_model, NULL); - - xbt_cfg_set_string(_surf_cfg_set, "workstation_model", "CLM03"); - xbt_cfg_set_string(_surf_cfg_set, "cpu_model", "Cas01"); - xbt_cfg_set_string(_surf_cfg_set, "network_model", "CM02"); - - xbt_cfg_register(_surf_cfg_set,"TCP_gamma","Size of the biggest TCP window",1,1, - xbt_cfgelm_double,_surf_cfg_cb__tcp_gamma,NULL); - xbt_cfg_set_double(_surf_cfg_set, "TCP_gamma", 20000.0); - - surf_config_cmd_line(argc,argv); - } +void surf_config_init(int *argc, char **argv) +{ + char *description = xbt_malloc(1024), *p = description; + char *default_value; + double double_default_value; + int default_value_int; + int i; + + /* Create the configuration support */ + if (_surf_init_status == 0) { /* Only create stuff if not already inited */ + _surf_init_status = 1; + + 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); + sprintf(p, + ".\n (use 'help' as a value to see the long description of each model)"); + 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); + sprintf(p, + ".\n (use 'help' as a value to see the long description of each model)"); + 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); + sprintf(p, + ".\n (use 'help' as a value to see the long description of each model)"); + 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 (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)", + xbt_cfgelm_double, NULL, 1, 1, + _surf_cfg_cb__tcp_gamma, NULL); + xbt_cfg_setdefault_double(_surf_cfg_set, "TCP_gamma", 20000.0); + + xbt_cfg_register(&_surf_cfg_set, "maxmin/precision", + "Minimum retained action value when updating simulation", + xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL); + xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here! + + /* The parameters of network models */ + + double_default_value = 0.0; + xbt_cfg_register(&_surf_cfg_set, "network/sender_gap", + "Minimum gap between two overlapping sends", + xbt_cfgelm_double, &double_default_value, 1, 1, + _surf_cfg_cb__sender_gap, NULL); + + double_default_value = 1.0; + xbt_cfg_register(&_surf_cfg_set, "network/latency_factor", + "Correction factor to apply to the provided latency (default value set by network model)", + xbt_cfgelm_double, &double_default_value, 1, 1, + _surf_cfg_cb__latency_factor, NULL); + double_default_value = 1.0; + xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor", + "Correction factor to apply to the provided bandwidth (default value set by network model)", + xbt_cfgelm_double, &double_default_value, 1, 1, + _surf_cfg_cb__bandwidth_factor, NULL); + double_default_value = 0.0; + xbt_cfg_register(&_surf_cfg_set, "network/weight_S", + "Correction factor to apply to the weight of competing streams(default value set by network model)", + xbt_cfgelm_double, &double_default_value, 1, 1, + _surf_cfg_cb__weight_S, NULL); + + /* Inclusion path */ + 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); + + /* do model-check */ + default_value_int = 0; + xbt_cfg_register(&_surf_cfg_set, "model-check", + "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)", + xbt_cfgelm_int, &default_value_int, 0, 1, + _surf_cfg_cb_model_check, NULL); + + /* + FIXME: this function is not setting model-check to it's default value because + internally it calls to variable->cb_set that in this case is the function + _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0) + xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */ + + /* do verbose-exit */ + default_value_int = 0; + xbt_cfg_register(&_surf_cfg_set, "verbose-exit", + "Activate the \"do nothing\" mode in Ctrl-C", + xbt_cfgelm_int, &default_value_int, 0, 1, + _surf_cfg_cb_verbose_exit, NULL); + + + /* context factory */ + default_value = xbt_strdup("ucontext"); + xbt_cfg_register(&_surf_cfg_set, "contexts/factory", + "Context factory to use in SIMIX (ucontext, thread or raw)", + xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL); + + /* stack size of contexts in Ko */ + default_value_int = 128; + xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size", + "Stack size of contexts in Ko (ucontext or raw only)", + xbt_cfgelm_int, &default_value_int, 1, 1, + _surf_cfg_cb_context_stack_size, NULL); + + /* number of parallel threads for user processes */ + default_value_int = 1; + xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads", + "Number of parallel threads for user contexts (EXPERIMENTAL)", + xbt_cfgelm_int, &default_value_int, 1, 1, + _surf_cfg_cb_contexts_nthreads, NULL); + + /* minimal number of user contexts to be run in parallel */ + default_value_int = 1; + xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold", + "Minimal number of user contexts to be run in parallel (raw contexts only)", + xbt_cfgelm_int, &default_value_int, 1, 1, + _surf_cfg_cb_contexts_parallel_threshold, NULL); + + default_value = xbt_strdup("no"); + xbt_cfg_register(&_surf_cfg_set, "coordinates", + "\"yes\" or \"no\" (FIXME: document)", + xbt_cfgelm_string, &default_value, 1, 1, + _surf_cfg_cb__surf_network_coordinates, NULL); + xbt_cfg_setdefault_string(_surf_cfg_set, "coordinates", default_value); + + default_value_int = 0; + xbt_cfg_register(&_surf_cfg_set, "fullduplex", + "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)", + xbt_cfgelm_int, &default_value_int, 0, 1, + _surf_cfg_cb__surf_network_fullduplex, NULL); + xbt_cfg_setdefault_int(_surf_cfg_set, "fullduplex", default_value_int); + +#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_setdefault_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 +#ifdef HAVE_NS3 + xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel", + "The ns3 tcp model can be : NewReno or Reno or Tahoe", + xbt_cfgelm_string, NULL, 1, 1, + NULL, NULL); + xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default"); +#endif + if (!surf_path) { + /* retrieves the current directory of the current process */ + const char *initial_path = __surf_get_initial_path(); + xbt_assert((initial_path), + "__surf_get_initial_path() failed! Can't resolves current Windows directory"); + + surf_path = xbt_dynar_new(sizeof(char *), NULL); + xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path); + } + + + surf_config_cmd_line(argc, argv); + } else { + XBT_WARN("Call to surf_config_init() after initialization ignored"); + } } + 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; - - workstation_model_name = - xbt_cfg_get_string(_surf_cfg_set, "workstation_model"); - - DEBUG1("Model : %s", workstation_model_name); - workstation_id = - find_model_description(surf_workstation_model_description, - workstation_model_name); - if (!strcmp(workstation_model_name, "compound")) { - xbt_ex_t e; - char *network_model_name = NULL; - char *cpu_model_name = NULL; - int network_id = -1; - int cpu_id = -1; - - TRY { - cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu_model"); - } CATCH(e) { - if (e.category == bound_error) { - xbt_assert0(0, - "Set a cpu model to use with the 'compound' workstation model"); - xbt_ex_free(e); - } else { - RETHROW; - } - } - - TRY { - network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network_model"); - } - CATCH(e) { - if (e.category == bound_error) { - xbt_assert0(0, - "Set a network model to use with the 'compound' workstation model"); - xbt_ex_free(e); - } else { - RETHROW; - } - } - - 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(platform_file); - surf_network_model_description[network_id].model_init(platform_file); - } - - DEBUG0("Call workstation_model_init"); - surf_workstation_model_description[workstation_id].model_init(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].create_ws != NULL) - surf_workstation_model_description[workstation_id].create_ws(); + if (!_surf_init_status) + return; /* Not initialized yet. Nothing to do */ + + xbt_cfg_free(&_surf_cfg_set); + _surf_init_status = 0; +} + +/* Pick the right models for CPU, net and workstation, and call their model_init_preparse */ +void surf_config_models_setup() +{ + char *workstation_model_name; + int workstation_id = -1; + char *network_model_name = NULL; + char *cpu_model_name = NULL; + + workstation_model_name = + xbt_cfg_get_string(_surf_cfg_set, "workstation/model"); + network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model"); + cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model"); + + /* Check whether we use a net/cpu model differing from the default ones, in which case + * we should switch to the "compound" workstation model to correctly dispatch stuff to + * the right net/cpu models. + */ + + if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") || + !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) && + xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model")) + { + const char *val = "compound"; + XBT_INFO + ("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"; + } + + XBT_DEBUG("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_assert(cpu_model_name, + "Set a cpu model to use with the 'compound' workstation model"); + + xbt_assert(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(); + surf_network_model_description[network_id].model_init_preparse(); + } + + XBT_DEBUG("Call workstation_model_init"); + surf_workstation_model_description[workstation_id].model_init_preparse(); }