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/*
* sydra
*
* sydra is a toolbox which allows you to set up multiple bidirectional
* Video/Audio streams from external locations.
* sydra has been written to be used for the Elevate Festival in Graz
* Austria in order to involve external locations to present themselves
* at the festival.
*
*
* Copyright (C) 2014 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of sydra.
*
* sydra is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* sydra 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with sydra. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders hereby
* grant permission for non-GPL-compatible GStreamer plugins to be used
* and distributed together with GStreamer and sydra.
* This permission goes above and beyond the permissions granted by the
* GPL license sydra is covered by.
*/
#include "datatypes.h"
#include "config-launch.h"
#include "options-launch.h"
#include "log.h"
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include <gst/gst.h>
#include <locale.h>
static void options_defaults(options_t* opt)
{
if(!opt)
return;
opt->progname_ = g_strdup("sydra-rtp");
opt->daemonize_ = TRUE;
opt->username_ = NULL;
opt->groupname_ = NULL;
opt->chroot_dir_ = NULL;
opt->pid_file_ = NULL;
opt->log_targets_ = NULL;
opt->debug_ = FALSE;
opt->appname_ = NULL;
opt->pipeline_ = NULL;
}
static GQuark options_error_quark()
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string("sydra_options_error");
return quark;
}
static gboolean options_parse_remaining(const gchar *option_name, const gchar *value, gpointer data, GError **error)
{
g_set_error(error, options_error_quark(), G_OPTION_ERROR_FAILED, "unkown option '%s'", value);
return FALSE;
}
static int options_parse_post(options_t* opt);
int options_parse(options_t* opt, int argc, char* argv[])
{
if(!opt)
return -1;
setlocale (LC_ALL, "");
options_defaults(opt);
g_free(opt->progname_);
opt->progname_ = g_strdup(argv[0]);
if(!opt->progname_)
return -127;
gboolean show_version = FALSE;
GOptionEntry main_entries[] = {
{ "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
"print version info and exit", NULL },
{ "nodaemonize", 'D', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt->daemonize_,
"don't run in background", NULL },
{ "username", 'u', 0, G_OPTION_ARG_STRING, &opt->username_,
"change to this user", "USERNAME" },
{ "group", 'g', 0, G_OPTION_ARG_STRING, &opt->groupname_,
"change to this group", "GROUP" },
{ "chroot", 'C', 0, G_OPTION_ARG_STRING, &opt->chroot_dir_,
"chroot to this directory", "PATH" },
{ "write-pid", 'P', 0, G_OPTION_ARG_STRING, &opt->pid_file_,
"write pid to this file", "PATH" },
{ "log", 'L', 0, G_OPTION_ARG_STRING_ARRAY, &opt->log_targets_,
"add a log target, can be invoked several times", "<TARGET>:<LEVEL>[,<PARAM1>[,<PARAM2>..]]" },
{ "debug", 'U', 0, G_OPTION_ARG_NONE, &opt->debug_,
"don't daemonize and log to stdout with maximum log level", NULL },
{ "appname", 'n', 0, G_OPTION_ARG_STRING, &opt->appname_,
"set the application name (will be used by xvimagesink for window title)", "NAME" },
{ "pipeline", 'p', 0, G_OPTION_ARG_STRING, &opt->pipeline_,
"the gst-launch style pipeline description", "PIPELINE DESCRIPTION" },
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_CALLBACK, options_parse_remaining, NULL, NULL},
{ NULL }
};
GOptionContext *ctx = g_option_context_new("- spreadspace streaming hydra ");
GOptionGroup* main_group = g_option_group_new ("main", "Application Options",
"Show Application Options", opt, NULL);
if(main_group)
g_option_group_add_entries(main_group, main_entries);
GOptionGroup* gst_group = gst_init_get_option_group();
if(!main_group || !gst_group) {
printf("ERROR: Failed to initialize: memory error\n");
return -127;
}
g_option_context_set_main_group(ctx, main_group);
g_option_context_add_group(ctx, gst_group);
GError *err = NULL;
if(!g_option_context_parse(ctx, &argc, &argv, &err)) {
printf("ERROR: Failed to initialize: %s\n", err->message);
g_error_free(err);
return 1;
}
if(show_version)
return -1;
return options_parse_post(opt);
}
static int options_parse_post(options_t* opt)
{
if(!opt->pipeline_) {
printf("ERROR: the pipeline description can not be omitted!\n");
return -2;
}
if(opt->debug_) {
opt->daemonize_ = 0;
g_strfreev(opt->log_targets_);
opt->log_targets_ = g_new(gchar*, 2);
if(!opt->log_targets_) return -127;
opt->log_targets_[0] = g_strdup("stdout:5");
if(!(opt->log_targets_[0])) return -127;
opt->log_targets_[1] = NULL;
}
if(!opt->log_targets_ || !g_strv_length(opt->log_targets_)) {
opt->log_targets_ = g_new(gchar*, 2);
if(!opt->log_targets_) return -127;
opt->log_targets_[0] = g_strdup("syslog:3,sydra-launch,daemon");
if(!(opt->log_targets_[0])) return -127;
opt->log_targets_[1] = NULL;
}
return 0;
}
void options_clear(options_t* opt)
{
if(!opt)
return;
g_free(opt->progname_);
g_free(opt->username_);
g_free(opt->groupname_);
g_free(opt->chroot_dir_);
g_free(opt->pid_file_);
g_strfreev(opt->log_targets_);
g_free(opt->appname_);
g_free(opt->pipeline_);
}
void options_print_version()
{
printf("%s\n", VERSION_STRING_0);
#if defined(__clang__)
printf("%s, using CLANG %s\n", VERSION_STRING_1, __clang_version__);
#elif defined(__GNUC__)
printf("%s, using GCC %d.%d.%d\n", VERSION_STRING_1, __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#else
printf("%s\n", VERSION_STRING_1);
#endif
const gchar *nano_str;
guint major, minor, micro, nano;
gst_version(&major, &minor, µ, &nano);
if (nano == 1)
nano_str = " (CVS)";
else if (nano == 2)
nano_str = " (Prerelease)";
else
nano_str = "";
printf(" linked against GStreamer %d.%d.%d%s\n", major, minor, micro, nano_str);
}
void options_print(options_t* opt)
{
if(!opt)
return;
printf(" progname: '%s'\n", opt->progname_);
printf(" daemonize: %s\n", opt->daemonize_ ? "true" : "false");
printf(" username: '%s'\n", opt->username_);
printf(" groupname: '%s'\n", opt->groupname_);
printf(" chroot_dir: '%s'\n", opt->chroot_dir_);
printf(" pid_file: '%s'\n", opt->pid_file_);
printf(" log_targets: \n");
gchar* lt = opt->log_targets_ ? g_strjoinv ("'\n '", opt->log_targets_) : NULL;
if(lt) {
printf(" '%s'\n", lt);
g_free(lt);
}
printf(" debug: %s\n", opt->debug_ ? "true" : "false");
printf(" appname: >>%s<<\n", opt->appname_);
printf(" pipeline: >>%s<<\n", opt->pipeline_);
}
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