-/* $Id$ */
-
-/* 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. */
#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_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)
+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) */
+ 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);
+ printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+ 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);
+ }
+ 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_assert0(_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_assert0(_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_assert0(_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_network_model_description, val);
+ if (!strcmp(val,"help")) {
+ model_help("network",surf_network_model_description);
+ exit(0);
+ }
+
+ /* New Module missing */
+ find_model_description(surf_network_model_description, val);
}
-/* callback of the cpu_model variable */
-static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
-{
- sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
+
+/* 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);
+}
+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"
+int _surf_do_model_check = 0; /* this variable is used accros the lib */
+
+static void _surf_cfg_cb_model_check(const char *name, int pos) {
+ _surf_do_model_check = 1;
+ /* Tell modules using mallocators that they shouldn't. MC don't like them */
+ xbt_fifo_preinit();
+ xbt_dict_preinit();
+}
+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_set_double(_surf_cfg_set, "TCP_gamma", 20000.0);
+
+ /* The parameters of network models */
+ 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 defalut value 0)
+ xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
+
+ default_value_int = 0;
+ xbt_cfg_register(&_surf_cfg_set, "fullduplex",
+ "Update the constraint set propagating recursively to others constraints",
+ xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__surf_network_fullduplex, NULL);
+ xbt_cfg_set_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_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);
+ } else {
+ WARN0("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;
+}
+
+void surf_config_models_setup(const char *platform_file)
+{
+ char *workstation_model_name;
+ int workstation_id = -1;
+ char *network_model_name = NULL;
+ char *cpu_model_name = NULL;
+ surf_timer_model_init(platform_file);
+
+ 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 ((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();
}