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/* Pinos
* Copyright (C) 2016 Axis Communications <dev-gstreamer@axis.com>
* @author Linus Svensson <linus.svensson@axis.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <string.h>
#include <pinos/client/pinos.h>
#include <pinos/server/command.h>
#include "pinos/daemon/daemon-config.h"
#define DEFAULT_CONFIG_FILE PINOS_CONFIG_DIR G_DIR_SEPARATOR_S "pinos.conf"
GQuark
pinos_daemon_config_error_quark (void)
{
static GQuark quark = 0;
if (quark == 0) {
quark = g_quark_from_static_string ("pinos_daemon_config_error");
}
return quark;
}
static gboolean
parse_line (PinosDaemonConfig * config,
const gchar * filename,
gchar * line,
guint lineno,
GError ** err)
{
PinosCommand *command = NULL;
gchar *p;
gboolean ret = TRUE;
GError *local_err = NULL;
/* search for comments */
if ((p = strchr (line, '#')))
*p = '\0';
/* remove whitespaces */
g_strstrip (line);
if (*line == '\0') /* empty line */
return TRUE;
if (!pinos_command_parse (&command, line, &local_err)) {
g_set_error (err, PINOS_DAEMON_CONFIG_ERROR,
PINOS_DAEMON_CONFIG_ERROR_COMMAND, "%s:%u: %s", filename, lineno,
local_err->message);
g_error_free (local_err);
ret = FALSE;
} else {
config->commands = g_list_append (config->commands, command);
}
return ret;
}
/**
* pinos_daemon_config_new:
*
* Returns a new empty #PinosDaemonConfig.
*/
PinosDaemonConfig *
pinos_daemon_config_new (void)
{
PinosDaemonConfig *config;
config = g_new (PinosDaemonConfig, 1);
config->commands = NULL;
return config;
}
/**
* pinos_daemon_config_free:
* @config: A #PinosDaemonConfig
*
* Free all resources associated to @config.
*/
void
pinos_daemon_config_free (PinosDaemonConfig * config)
{
g_return_if_fail (config != NULL);
g_list_free_full (config->commands, (GDestroyNotify) pinos_command_free);
g_free (config);
}
/**
* pinos_daemon_config_load_file:
* @config: A #PinosDaemonConfig
* @filename: A filename
* @err: Return location for a #GError, or %NULL
*
* Loads pinos config from @filename.
*
* Returns: %TRUE on success, otherwise %FALSE and @err is set.
*/
gboolean
pinos_daemon_config_load_file (PinosDaemonConfig * config,
const gchar * filename,
GError ** err)
{
gchar *data;
gchar **lines;
gboolean ret = TRUE;
guint i;
g_return_val_if_fail (config != NULL, FALSE);
g_return_val_if_fail (filename != NULL && *filename != '\0', FALSE);
pinos_log_debug ("deamon-config %p loading file %s", config, filename);
if (!g_file_get_contents (filename, &data, NULL, err)) {
return FALSE;
}
lines = g_strsplit (data, "\n", 0);
for (i = 0; lines[i] != NULL; i++) {
if (!parse_line (config, filename, lines[i], i+1, err)) {
ret = FALSE;
break;
}
}
g_strfreev (lines);
g_free (data);
return ret;
}
/**
* pinos_daemon_config_load:
* @config: A #PinosDaemonConfig
* @err: Return location for a #GError, or %NULL
*
* Loads the default config file for pinos. The filename can be overridden with
* an evironment variable PINOS_CONFIG_FILE.
*
* Return: %TRUE on success, otherwise %FALSE and @err is set.
*/
gboolean
pinos_daemon_config_load (PinosDaemonConfig * config,
GError ** err)
{
const gchar *filename;
g_return_val_if_fail (config != NULL, FALSE);
filename = g_getenv ("PINOS_CONFIG_FILE");
if (filename != NULL && *filename != '\0') {
pinos_log_debug ("PINOS_CONFIG_FILE set to: %s", filename);
} else {
filename = DEFAULT_CONFIG_FILE;
}
return pinos_daemon_config_load_file (config, filename, err);
}
/**
* pinos_daemon_config_run_commands:
* @config: A #PinosDaemonConfig
* @daemon: A #PinosDaemon
*
* Run all commands that have been parsed. The list of commands will be cleared
* when this function has been called.
*
* Returns: %TRUE if all commands where executed with success, otherwise %FALSE.
*/
gboolean
pinos_daemon_config_run_commands (PinosDaemonConfig * config,
PinosDaemon * daemon)
{
GList *walk;
GError *err = NULL;
gboolean ret = TRUE;
g_return_val_if_fail (config != NULL, FALSE);
for (walk = config->commands; walk != NULL; walk = walk->next) {
PinosCommand *command = (PinosCommand *)walk->data;
if (!pinos_command_run (command, daemon, &err)) {
pinos_log_warn ("could not run command %s: %s",
pinos_command_get_name (command), err->message);
g_clear_error (&err);
ret = FALSE;
}
}
g_list_free_full (config->commands, (GDestroyNotify) pinos_command_free);
return ret;
}
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