C++ config_read_file函数代码示例

int readCfg (void)
{
	config_t cfg;
	config_init(&cfg);

	/* Read the file. If there is an error, report it and exit. */
	if (!config_read_file(&cfg, config_file_name))
	{
		printf("\n%s:%d - %s", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg));
		config_destroy(&cfg);
		return -1;
	}

	if (!config_lookup_int(&cfg, "onTemp", &onTemp))  printf("\nNo 'onTemp' setting in configuration file.");
	if (!config_lookup_int(&cfg, "offTemp", &offTemp)) printf("\nNo 'offTemp' setting in configuration file.");
	if (!config_lookup_int(&cfg, "highTemp", &highTemp)) printf("\nNo 'highTemp' setting in configuration file.");
	if (!config_lookup_int(&cfg, "onHum", &onHum)) printf("\nNo 'onHum' setting in configuration file.");
	if (!config_lookup_int(&cfg, "offHum", &offHum)) printf("\nNo 'offHum' setting in configuration file.");
	if (!config_lookup_int(&cfg, "webOR", &webOR)) printf("\nNo 'webOR' setting in configuration file.");
	if (!config_lookup_int(&cfg, "tempState", &tempState)) printf("\nNo 'tempState' setting in configuration file.");
	if (!config_lookup_int(&cfg, "humState", &humState)) printf("\nNo 'humState' setting in configuration file.");

	config_destroy(&cfg);

	return 0;
}

// TODO: audit exit routes to "unset"/"unalloc" values.
int upd8_config_parse(upd8_config_t *config, const char *config_file) {
  // TODO: check that config is not null.
  config_t *cfg = malloc(sizeof(config_t));

  config_init(cfg);

  if (!config_read_file(cfg, config_file)) {
    fprintf(stderr, "%s:%d - %s\n", config_error_file(cfg),
            config_error_line(cfg), config_error_text(cfg));
    config_destroy(cfg);
    return EXIT_FAILURE;
  }

  config->cfg = cfg;

  config_setting_t *settings;
  settings = config_lookup(cfg, settings_path);

  if (settings == NULL) {
    fprintf(stderr, "Unable to find %s in %s\n", settings_path, config_file);
    config_destroy(cfg);
    return EXIT_FAILURE;
  }

  config->num_sources = config_setting_length(settings);
  config->sources = malloc(config->num_sources * sizeof(upd8_source_t));
  for (int i = 0; i < config->num_sources; ++i) {
    config_setting_t *individual_config = config_setting_get_elem(settings, i);
    upd8_source_parse(&(config->sources[i]), individual_config);
  }
  return 0;
}

// {{{ session_is_valid_sessid()
int session_is_valid_sessid(const char *sessid)
{
	// TODO use timestamp: session not expires.
	
   struct config_t cfg;
   config_init(&cfg);
   config_setting_t *cs;
   config_setting_t *vs;

   if(!config_read_file(&cfg, OD_SESSION_FILE))
      return 0;

   int i=0;
   for(i=0; ;i++)
   {
      if( !(cs = config_setting_get_elem(cfg.root, i)) )
         break;

      if( !(vs = config_setting_get_member(cs, "sessid")) )
         continue;

      const char *res = config_setting_get_string(vs);
      if(res)
         if(strcmp(res, sessid)==0)
         {
            config_destroy(&cfg);
            return 1;
         }

   }

   config_destroy(&cfg);
   return 0;
}

void get_conf_int (char *key, int *value) {
  config_t *conf = &(config_t) {};
  config_init (conf);
  config_read_file (conf, "TSECDecoder.conf");
  config_lookup_int(conf, key, value);
  config_destroy (conf);
}

int readCfgState (void) {
	config_t cfg;
	config_init(&cfg);

	/* Read the file. If there is an error, report it and exit. */
	if (!config_read_file(&cfg, config_state_path)) {
		printf("\n%s:%d - %s", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg));
		config_destroy(&cfg);
		return -1;
	}

	/*  */
	if (!config_lookup_int(&cfg, "tempState", &tempState)) printf("\nNo 'tempState' setting in configuration file.");
	if (!config_lookup_int(&cfg, "humState", &humState)) printf("\nNo 'humState' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay1o", &relay1o)) printf("\nNo 'relay1o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay2o", &relay2o)) printf("\nNo 'relay2o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay3o", &relay3o)) printf("\nNo 'relay3o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay4o", &relay4o)) printf("\nNo 'relay4o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay5o", &relay5o)) printf("\nNo 'relay5o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay6o", &relay6o)) printf("\nNo 'relay6o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay7o", &relay7o)) printf("\nNo 'relay7o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "relay8o", &relay8o)) printf("\nNo 'relay8o' setting in configuration file.");
	if (!config_lookup_int(&cfg, "RHeatTS", &RHeatTS)) printf("\nNo 'RHeatTS' setting in configuration file.");
	if (!config_lookup_int(&cfg, "RHumTS", &RHumTS)) printf("\nNo 'RHumTS' setting in configuration file.");
	if (!config_lookup_int(&cfg, "RHepaTS", &RHepaTS)) printf("\nNo 'RHepaTS' setting in configuration file.");
	if (!config_lookup_int(&cfg, "RFanTS", &RFanTS)) printf("\nNo 'RFanTS' setting in configuration file.");
	if (!config_lookup_float(&cfg, "wfactor", &wfactor)) printf("\nNo 'wfactor' setting in configuration file.");


	config_destroy(&cfg);
	return 0;
}

int main(int argc, char **argv)
{
	if (argc != 3) {
		g_printerr("Usage: read_conf FILE SETTING\n");
		return 1;
	}

	const char *path = argv[1];
	const char *name = argv[2];

	g_log_set_default_handler(my_log_func, NULL);

	config_global_init();

	GError *error = NULL;
	bool success = config_read_file(path, &error);
	if (!success) {
		g_printerr("%s:", error->message);
		g_error_free(error);
		return 1;
	}

	const char *value = config_get_string(name, NULL);
	int ret;
	if (value != NULL) {
		g_print("%s\n", value);
		ret = 0;
	} else {
		g_printerr("No such setting: %s\n", name);
		ret = 2;
	}

	config_global_finish();
	return ret;
}

int main(int argc, char **argv) {
	
	char SRVR[1000];
	char *p=SRVR;
	config_t config;
	config_init(&config);
	if ( config_read_file(&config, "/etc/snowflake.conf") == CONFIG_TRUE ) {
		printf("PARt 1\n");
		const config_setting_t *setting = config_lookup(&config, "server");
		
		if( setting != NULL) {
			p = config_setting_get_string(setting);
			printf("opened file\n");	
			printf("SERVER ADDRESS = %s\n",p);
		}
		else {
			printf("ERROR\n");
		}
	}
	else {
		fprintf(stderr, "%s:%d - %s\n", config_error_file(&config),
            config_error_line(&config), config_error_text(&config));
    config_destroy(&config);
    return(1);
	}
	
	
}

int main()
{
  /* Initialize the configuration */
  config_init(&cfg);

  /* Load the file */
  printf("loading [sample.cfg]..");
  if (!config_read_file(&cfg, "sample.cfg"))
    printf("failed\n");
  else
  {
    printf("ok\n");
    
    /* Display the "values" array */
    printf("display \"values\"..");
    config_setting_t *array = config_lookup(&cfg, "values");
    if (!array)
      printf("failed\n");
    else
    {
      long value1,value2;
      value1 = config_setting_get_int_elem(array, 0);
      value2 = config_setting_get_int_elem(array, 1);
      printf("[%lu %lu]..ok\n", value1, value2);

      printf("Done!\n");
    }

  }

  /* Free the configuration */
  config_destroy(&cfg);

  return 0;
}

int configure_server(spade_server* server, char* configuration_path,
        unsigned int override_port) {
    config_t configuration_struct, *configuration;
    configuration = &configuration_struct;
    config_init(configuration);

    if (!config_read_file(configuration, configuration_path)) {
        log4c_category_log(log4c_category_get("spade"), LOG4C_PRIORITY_ERROR,
                "Configuration error: %s:%d - %s",
                configuration_path,
                config_error_line(configuration),
                config_error_text(configuration));
        config_destroy(configuration);
        return(EXIT_FAILURE);
    }

    configure_hostname(server, configuration);
    configure_port(server, override_port, configuration);
    configure_reverse_lookups(server, configuration);
    configure_static_file_path(server, configuration);
    configure_dynamic_file_paths(server, configuration);
    configure_dynamic_handlers(server, configuration);

    config_destroy(configuration);
    return 0;
}

void db_init_pg_conn(const char *conf_file) {
  if(config_read_file(&config, conf_file) != CONFIG_TRUE) {
    fprintf(stderr, "%s:%d %s\n", config_error_file(&config), config_error_line(&config), config_error_text(&config));
    config_destroy(&config);
    exit(EXIT_FAILURE);
  }

  conn = PQsetdbLogin(
    read_db_setting("db_host"),
    read_db_setting("db_port"),
    NULL, NULL,
    read_db_setting("db_name"),
    read_db_setting("db_login"),
    read_db_setting("db_password"));

  const char *store_dir_tmp = read_db_setting("store_dir");
  store_dir = (char*)malloc(strlen(store_dir_tmp)+1);
  strcpy(store_dir, store_dir_tmp);

  if(PQstatus(conn) != CONNECTION_OK) {
    fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
    config_destroy(&config);
    exit(EXIT_FAILURE);
  } else {
    fprintf(stderr, "database OK\n");
  }

  if(pthread_mutex_init(&db_lock, NULL) < 0) {
    fprintf(stderr, "pthread_mutex_init failed\n");
    exit(EXIT_FAILURE);
  }
}

static int qdb_config() {
	config_t cfg;
	config_setting_t *cfg_qdb;
	config_setting_t *cfg_interfaces;
	int status = 0;

	config_init(&cfg);
	if (config_read_file(&cfg,CONFPATH) == CONFIG_FALSE)
		goto err;

	cfg_qdb = config_lookup(&cfg,"qdb");
	if (cfg_qdb == NULL) goto err;
	cfg_interfaces = config_lookup(&cfg,"qdb/interfaces");
	if (cfg_interfaces == NULL) goto err;

	goto done;
err:
	printerr(config_error_text(&cfg));
	status = -1;

done:
	config_destroy(&cfg);

	return status;
}

	void Init(HINSTANCE i_thisInstanceOfTheApplication, HINSTANCE i_thisIsNothing, char* i_commandLineArguments, int i_initialWindowDisplayState)
	{
		config_t cfg;
		int Screenwidth;
		int Screenheight;
		config_init(&cfg);

		if(! config_read_file(&cfg, "config.cfg"))
		{
			fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
							config_error_line(&cfg), config_error_text(&cfg));
			config_destroy(&cfg);
		}
		config_lookup_int(&cfg, "ScreenWidth", &Screenwidth);
		config_lookup_int(&cfg, "ScreenHeight", &Screenheight);
		  
		config_destroy(&cfg);
		Renderer::width=Screenwidth;
		Renderer::height=Screenheight;

		Singleton<Time>::getInstance().Init();
		Singleton<Physics>::getInstance().Init();
		Singleton<Renderer>::getInstance().Init( i_thisInstanceOfTheApplication, i_thisIsNothing,  i_commandLineArguments,  i_initialWindowDisplayState);
		Singleton<World>::getInstance().Init();
		Singleton<Collision>::getInstance().Init();
		Singleton<EventHandler>::getInstance().Init();
		SoundManager::Manager().Init();
	}

int mst_config_load(const char *conf_path)
{
    int rv = -1;

    config_init(&g_config);

    rv = config_read_file(&g_config, conf_path);

    if (CONFIG_FALSE == rv) {
        fprintf(stderr, "Failed to load config: %s @ %d\n", config_error_text(&g_config), config_error_line(&g_config));
        return -1;
    }

    if (CONFIG_TRUE != (rv = mst_read_version(&g_config))) {
        fprintf(stderr, "Error: %s @ %d\n", config_error_text(&g_config), config_error_line(&g_config));
        return -1;
    }
    if (CONFIG_TRUE != (rv = mst_read_type(&g_config))) {
        fprintf(stderr, "Error: %s @ %d\n", config_error_text(&g_config), config_error_line(&g_config));
        return -1;
    }
    if (CONFIG_TRUE != (rv = mst_read_globals(&g_config))) {
        fprintf(stderr, "Error: %s @ %d\n", config_error_text(&g_config), config_error_line(&g_config));
        return -1;
    }

    if (CONFIG_TRUE != (rv = mst_read_policy_details(&g_config))) {
        fprintf(stderr, "Error: %s @ %d\n", config_error_text(&g_config), config_error_line(&g_config));
        return -1;
    }

    return 0;
}

/**
 * Load configuration file.
 * @param[in] path Configuration file location.
 * @param[in,out] zconf Parsed configuration storage.
 * @return True on success.
 */
bool zconfig_load(const char *path, zconfig_t *zconf)
{
    if (NULL == path) {
        ZLOG(LOG_ERR, "config: configuration file not specified");
        return false;
    }

    bool loaded = false;
    config_t config;
    config_init(&config);

    if (!config_read_file(&config, path)) {
        ZLOG(LOG_ERR, "config: failed to parse %s (error: %s at %d line)",
             path, config_error_text(&config), config_error_line(&config));
        goto end;
    }

    const config_setting_t *root = config_root_setting(&config);

    if (!zconfig_load_sections(root, zconf)) {
        zconfig_destroy(zconf);
    } else {
        loaded = true;
    }

    end:
    config_destroy(&config);

    return loaded;
}

int read_scenario_master_file(char scenario_list[30][60],
                              unsigned int scenario_reps[60]) {
  config_t cfg; // Returns all parameters in this structure
  char current_scenario[30];
  const char *tmpS;
  int num_scenarios = 1;
  int tmpI; // Stores the value of Integer Parameters from Config file

  config_init(&cfg);

  // Read the file. If there is an error, report it and exit.
  if (!config_read_file(&cfg, "master_scenario_file.cfg")) {
    printf("Error reading master scenario file on line %i\n",
           config_error_line(&cfg));
    exit(1);
  }

  // Read the parameter group
  if (config_lookup_int(&cfg, "NumberofScenarios", &tmpI))
    num_scenarios = (int)tmpI;

  for (int i = 0; i < num_scenarios; i++) {
    sprintf(current_scenario, "scenario_%d", i + 1);
    if (config_lookup_string(&cfg, current_scenario, &tmpS))
      strcpy(&scenario_list[i][0], tmpS);
  }
  for (int i = 0; i < num_scenarios; i++) {
    sprintf(current_scenario, "reps_scenario_%d", i + 1);
    if (config_lookup_int(&cfg, current_scenario, &tmpI))
      scenario_reps[i] = tmpI;
  }
  config_destroy(&cfg);
  return num_scenarios;
} // End readScMasterFile()