+/* Copyright (c) 2007 Arnaud Legrand.
+ 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. */
+
+static int _sd_init_status = 0; /* 0: beginning of time;
+ 1: pre-inited (cfg_set created);
+ 2: inited (running) */
+static xbt_cfg_t _sd_cfg_set = NULL;
+
+/* callback of the workstation_model variable */
+static void _sd_cfg_cb__workstation_model(const char *name, int pos)
+{
+ char *val;
+
+ xbt_assert0(_sd_init_status < 2,
+ "Cannot change the model after the initialization");
+
+ val = xbt_cfg_get_string(_sd_cfg_set, name);
+ find_model_description(surf_workstation_model_description, val);
+}
+
+/* callback of the cpu_model variable */
+static void _sd_cfg_cb__cpu_model(const char *name, int pos)
+{
+ char *val;
+
+ xbt_assert0(_sd_init_status < 2,
+ "Cannot change the model after the initialization");
+
+ val = xbt_cfg_get_string(_sd_cfg_set, name);
+ find_model_description(surf_cpu_model_description, val);
+}
+
+/* callback of the workstation_model variable */
+static void _sd_cfg_cb__network_model(const char *name, int pos)
+{
+ char *val;
+
+ xbt_assert0(_sd_init_status < 2,
+ "Cannot change the model after the initialization");
+
+ val = xbt_cfg_get_string(_sd_cfg_set, name);
+ find_model_description(surf_network_model_description, val);
+}
+
+XBT_LOG_EXTERNAL_CATEGORY(sd_kernel);
+XBT_LOG_EXTERNAL_CATEGORY(sd_task);
+XBT_LOG_EXTERNAL_CATEGORY(sd_workstation);
+
+/* create the config set and register what should be */
+static void sd_config_init(void)
+{
+
+ if (_sd_init_status)
+ return; /* Already inited, nothing to do */
+
+ /* Connect our log channels: that must be done manually under windows */
+ XBT_LOG_CONNECT(sd_kernel, sd);
+ XBT_LOG_CONNECT(sd_task, sd);
+ XBT_LOG_CONNECT(sd_workstation, sd);
+
+ _sd_init_status = 1;
+ _sd_cfg_set = xbt_cfg_new();
+
+ xbt_cfg_register(_sd_cfg_set,
+ "workstation_model", xbt_cfgelm_string, 1, 1,
+ &_sd_cfg_cb__workstation_model, NULL);
+
+ xbt_cfg_register(_sd_cfg_set,
+ "cpu_model", xbt_cfgelm_string, 1, 1,
+ &_sd_cfg_cb__cpu_model, NULL);
+ xbt_cfg_register(_sd_cfg_set,
+ "network_model", xbt_cfgelm_string, 1, 1,
+ &_sd_cfg_cb__network_model, NULL);
+
+ xbt_cfg_set_string(_sd_cfg_set, "workstation_model", "ptask_L07");
+}
+
+static void sd_config_finalize(void)
+{
+
+ if (!_sd_init_status)
+ return; /* Not initialized yet. Nothing to do */
+
+ xbt_cfg_free(&_sd_cfg_set);
+ _sd_init_status = 0;
+}
+
+static void sd_config(const char *name, va_list pa)
+{
+ if (!_sd_init_status) {
+ sd_config_init();
+ }
+ xbt_cfg_set_vargs(_sd_cfg_set, name, pa);
+}
+
+
+static void __sd_config_helper(const char *name, ...)
+{
+ va_list pa;
+ va_start(pa, name);
+
+ sd_config(name, pa);
+
+ va_end(pa);
+}
+
+static void sd_cfg_control_set(const char *control_string)
+{
+ /* To split the string in commands, and the cursors */
+ xbt_dynar_t set_strings;
+ char *str;
+ unsigned int cpt;
+
+ if (!control_string)
+ return;
+ DEBUG1("Parse log settings '%s'", control_string);
+
+ /* split the string, and remove empty entries */
+ set_strings = xbt_str_split_quoted(control_string);
+
+ if (xbt_dynar_length(set_strings) == 0) { /* vicious user! */
+ xbt_dynar_free(&set_strings);
+ return;
+ }
+ /* Parse each entry and either use it right now (if the category was already
+ created), or store it for further use */
+ xbt_dynar_foreach(set_strings, cpt, str) {
+ char *control_string, *control_string_sav, *name, *value;
+
+
+ control_string = control_string_sav = strdup(str);
+ control_string += strspn(control_string, " ");
+ name = control_string;
+ control_string += strcspn(str, ":=");
+ value = control_string;
+ *value = 0;
+ value++;
+
+ xbt_assert1(strlen(name) != 0, "Invalid name for configuration: '%s'",
+ name);
+ xbt_assert1(strlen(value) != 0,
+ "Invalid value for configuration: '%s'", value);
+ INFO2("setting '%s' to '%s'", name, value);
+
+ __sd_config_helper(name, value);
+
+ free(control_string_sav);
+ }
+ xbt_dynar_free(&set_strings);
+}
+
+static void sd_cfg_init(int *argc, char **argv)
+{
+ int i, j;
+ char *opt;
+
+ for (i = 1; i < *argc; i++) {
+ if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
+ opt = strchr(argv[i], '=');
+ opt++;
+
+ sd_cfg_control_set(opt);
+ DEBUG1("Did apply '%s' as config setting", opt);
+ /*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 */
+ }
+ }
+}
+
+/**
+ * \brief Initialises SD internal data
+ *
+ * This function must be called before any other SD function. Then you
+ * should call SD_create_environment().
+ *
+ * \param argc argument number
+ * \param argv argument list
+ * \see SD_create_environment(), SD_exit()