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main.c
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main.c
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/*
* Copyright (C) 2013-2016 Jolla Ltd.
* Contact: Slava Monich <slava.monich@jolla.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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.
*/
#include <syslog.h>
#include <glib-unix.h>
#include "mms_engine.h"
#include "mms_lib_log.h"
#include "mms_lib_util.h"
#include "mms_settings.h"
#ifdef SAILFISH
# include "mms_connman_nemo_log.h"
#else
# include "mms_connman_ofono_log.h"
#endif
#include <gutil_log.h>
#define RET_OK (0)
#define RET_ERR (1)
/* Options configurable from the command line */
typedef struct mms_app_options {
GBusType bus_type;
int flags;
MMSConfigCopy global;
MMSSettingsSimDataCopy settings;
} MMSAppOptions;
/* All known log modules */
static MMSLogModule* mms_app_log_modules[] = {
&gutil_log_default,
#define MMS_LIB_LOG_MODULE(m) &(m),
MMS_LIB_LOG_MODULES(MMS_LIB_LOG_MODULE)
MMS_CONNMAN_LOG_MODULES(MMS_LIB_LOG_MODULE)
#undef MMS_LIB_LOG_MODULE
};
/* Signal handler */
static
gboolean
mms_app_signal(
gpointer arg)
{
MMSEngine* engine = arg;
GINFO("Caught signal, shutting down...");
mms_engine_stop(engine);
return TRUE;
}
/* D-Bus event handlers */
static
void
mms_app_bus_acquired(
GDBusConnection* bus,
const gchar* name,
gpointer arg)
{
MMSEngine* engine = arg;
GError* error = NULL;
GDEBUG("Bus acquired, starting...");
if (!mms_engine_register(engine, bus, &error)) {
GERR("Could not start: %s", GERRMSG(error));
g_error_free(error);
mms_engine_stop(engine);
}
}
static
void
mms_app_name_acquired(
GDBusConnection* bus,
const gchar* name,
gpointer arg)
{
GDEBUG("Acquired service name '%s'", name);
}
static
void
mms_app_name_lost(
GDBusConnection* bus,
const gchar* name,
gpointer arg)
{
MMSEngine* engine = arg;
GERR("'%s' service already running or access denied", name);
mms_engine_stop(engine);
}
/* Option parsing callbacks */
static
gboolean
mms_app_option_loglevel(
const gchar* name,
const gchar* value,
gpointer data,
GError** error)
{
return gutil_log_parse_option(value, mms_app_log_modules,
G_N_ELEMENTS(mms_app_log_modules), error);
}
static
gboolean
mms_app_option_logtype(
const gchar* name,
const gchar* value,
gpointer data,
GError** error)
{
if (gutil_log_set_type(value, MMS_APP_LOG_PREFIX)) {
return TRUE;
} else {
if (error) {
*error = g_error_new(G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Invalid log type \'%s\'", value);
}
return FALSE;
}
}
static
gboolean
mms_app_option_verbose(
const gchar* name,
const gchar* value,
gpointer data,
GError** error)
{
gutil_log_default.level = GLOG_LEVEL_VERBOSE;
return TRUE;
}
/**
* Parses command line and sets up application options. Returns TRUE if
* we should go ahead and run the application, FALSE if we should exit
* immediately.
*/
static
gboolean
mms_app_parse_options(
MMSAppOptions* opt,
int argc,
char* argv[],
int* result)
{
gboolean ok;
GError* error = NULL;
gboolean session_bus = FALSE;
char* config_file = NULL;
#ifdef MMS_VERSION_STRING
gboolean print_version = FALSE;
#endif
char* ua = NULL;
char* uaprof = NULL;
char* root_dir = NULL;
gboolean log_modules = FALSE;
gboolean keep_running = FALSE;
gint size_limit_kb = -1;
gdouble megapixels = -1;
char* root_dir_help = g_strdup_printf(
"Root directory for MMS files [%s]",
opt->global.config.root_dir);
char* retry_secs_help = g_strdup_printf(
"Retry period in seconds [%d]",
opt->global.config.retry_secs);
char* idle_secs_help = g_strdup_printf(
"Inactivity timeout in seconds [%d]",
opt->global.config.idle_secs);
char* description = gutil_log_description(NULL, 0);
GOptionContext* options;
GOptionEntry entries[] = {
{ "session", 0, 0, G_OPTION_ARG_NONE, &session_bus,
"Use session bus (default is system)", NULL },
#define OPT_CONFIG_INDEX 1
{ "config", 'c', 0, G_OPTION_ARG_FILENAME,
&config_file, "Use the specified config file ["
MMS_ENGINE_CONFIG_FILE "]", "FILE" },
{ "root-dir", 'd', 0, G_OPTION_ARG_FILENAME,
&root_dir, root_dir_help, "DIR" },
{ "retry-secs", 'r', 0, G_OPTION_ARG_INT,
&opt->global.config.retry_secs, retry_secs_help, "SEC" },
{ "idle-secs", 'i', 0, G_OPTION_ARG_INT,
&opt->global.config.idle_secs, idle_secs_help, "SEC" },
{ "size-limit", 's', 0, G_OPTION_ARG_INT,
&size_limit_kb, "Maximum size for outgoing messages", "KB" },
{ "pix-limit", 'p', 0, G_OPTION_ARG_DOUBLE,
&megapixels, "Maximum pixel count for outgoing images", "MPIX" },
{ "user-agent", 'u', 0, G_OPTION_ARG_STRING,
&ua, "The value of the User-Agent header", "STRING" },
{ "x-wap-profile", 'x', 0, G_OPTION_ARG_STRING,
&uaprof, "User agent profile", "URL" },
{ "keep-running", 'k', 0, G_OPTION_ARG_NONE, &keep_running,
"Keep running after everything is done", NULL },
{ "keep-temp-files", 't', 0, G_OPTION_ARG_NONE,
&opt->global.config.keep_temp_files,
"Don't delete temporary files", NULL },
{ "attic", 'a', 0, G_OPTION_ARG_NONE,
&opt->global.config.attic_enabled,
"Store unrecognized push messages in the attic", NULL },
#define OPT_VERBOSE_INDEX 12
{ "verbose", 'v', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
mms_app_option_verbose, "Be verbose (equivalent to -l=verbose)",
NULL },
{ "log-output", 'o', 0, G_OPTION_ARG_CALLBACK, mms_app_option_logtype,
"Log output (stdout|syslog|glib) [stdout]", "TYPE" },
{ "log-level", 'l', 0, G_OPTION_ARG_CALLBACK, mms_app_option_loglevel,
"Set log level (repeatable)", "[MODULE:]LEVEL" },
{ "log-modules", 0, 0, G_OPTION_ARG_NONE, &log_modules,
"List available log modules", NULL },
#ifdef MMS_VERSION_STRING
{ "version", 0, 0, G_OPTION_ARG_NONE, &print_version,
"Print program version and exit", NULL },
#endif
{ NULL }
};
/*
* First pre-parse the command line to get the config file name.
* Only then we can initialize the defaults and parse the rest.
* Verbose option is handled here too, in order to allow verbose
* logging during config file parsing.
*/
GOptionContext* config_options;
GOptionEntry config_entries[3];
memset(config_entries, 0, sizeof(config_entries));
config_entries[0] = entries[OPT_VERBOSE_INDEX];
config_entries[1] = entries[OPT_CONFIG_INDEX];
/*
* Initialize the main parsing context. We would still need it
* even if the preparsing fails - to print the help
*/
options = g_option_context_new("- part of Jolla MMS system");
g_option_context_add_main_entries(options, entries, NULL);
g_option_context_set_description(options, description);
/* Pre-parsing context */
config_options = g_option_context_new(NULL);
g_option_context_add_main_entries(config_options, config_entries, NULL);
g_option_context_set_help_enabled(config_options, FALSE);
g_option_context_set_ignore_unknown_options(config_options, TRUE);
ok = g_option_context_parse(config_options, &argc, &argv, &error);
/*
* If pre-parsing succeeds, we need to read the config before
* parsing the rest of the command line, to allow command line
* options to overwrite those specified in the config file.
*/
if (ok) {
if (config_file) {
/* Config file was specified on the command line */
ok = mms_settings_load_defaults(config_file,
&opt->global, &opt->settings, &error);
} else {
/* The default config file may be (and usually is) missing */
if (g_file_test(MMS_ENGINE_CONFIG_FILE, G_FILE_TEST_EXISTS)) {
mms_settings_load_defaults(MMS_ENGINE_CONFIG_FILE,
&opt->global, &opt->settings, NULL);
}
}
if (ok) {
/* Parse the rest of the command line */
ok = g_option_context_parse(options, &argc, &argv, &error);
} else if (error) {
/* Improve error message by prepending the file name */
GError* details = g_error_new(error->domain, error->code,
"%s: %s", config_file, error->message);
g_error_free(error);
error = details;
}
}
g_option_context_free(options);
g_option_context_free(config_options);
g_free(config_file);
g_free(root_dir_help);
g_free(retry_secs_help);
g_free(idle_secs_help);
g_free(description);
if (!ok) {
fprintf(stderr, "%s\n", GERRMSG(error));
g_error_free(error);
*result = RET_ERR;
} else if (log_modules) {
unsigned int i;
for (i=0; i<G_N_ELEMENTS(mms_app_log_modules); i++) {
printf("%s\n", mms_app_log_modules[i]->name);
}
*result = RET_OK;
ok = FALSE;
#ifdef MMS_VERSION_STRING
} else if (print_version) {
printf("MMS engine %s\n", MMS_VERSION_STRING);
*result = RET_OK;
ok = FALSE;
#endif
} else {
#ifdef MMS_VERSION_STRING
GINFO("Version %s starting", MMS_VERSION_STRING);
#else
GINFO("Starting");
#endif
if (size_limit_kb >= 0) {
opt->settings.data.size_limit = size_limit_kb * 1024;
opt->flags |= MMS_ENGINE_FLAG_OVERRIDE_SIZE_LIMIT;
}
if (megapixels >= 0) {
opt->settings.data.max_pixels = (int)(megapixels*1000)*1000;
opt->flags |= MMS_ENGINE_FLAG_OVERRIDE_MAX_PIXELS;
}
if (ua) {
g_free(opt->settings.user_agent);
opt->settings.data.user_agent = opt->settings.user_agent = ua;
opt->flags |= MMS_ENGINE_FLAG_OVERRIDE_USER_AGENT;
ua = NULL;
}
if (uaprof) {
g_free(opt->settings.uaprof);
opt->settings.data.uaprof = opt->settings.uaprof = uaprof;
opt->flags |= MMS_ENGINE_FLAG_OVERRIDE_UAPROF;
uaprof = NULL;
}
if (root_dir) {
g_free(opt->global.root_dir);
opt->global.config.root_dir = opt->global.root_dir = root_dir;
root_dir = NULL;
}
if (keep_running) opt->flags |= MMS_ENGINE_FLAG_KEEP_RUNNING;
if (session_bus) {
GDEBUG("Attaching to session bus");
opt->bus_type = G_BUS_TYPE_SESSION;
} else {
GDEBUG("Attaching to system bus");
opt->bus_type = G_BUS_TYPE_SYSTEM;
}
*result = RET_OK;
}
g_free(ua);
g_free(uaprof);
g_free(root_dir);
return ok;
}
int main(int argc, char* argv[])
{
int result = RET_ERR;
MMSAppOptions opt;
MMSConfig* config = &opt.global.config;
MMSSettingsSimData* settings = &opt.settings.data;
mms_lib_init(argv[0]);
gofono_log.name = "mms-ofono";
gutil_log_default.name = MMS_APP_LOG_PREFIX;
memset(&opt, 0, sizeof(opt));
mms_lib_default_config(config);
mms_settings_sim_data_default(settings);
if (mms_app_parse_options(&opt, argc, argv, &result)) {
MMSEngine* engine;
/* Create engine instance. This may fail */
engine = mms_engine_new(config, settings, opt.flags,
mms_app_log_modules, G_N_ELEMENTS(mms_app_log_modules));
if (engine) {
/* Setup main loop */
GMainLoop* loop = g_main_loop_new(NULL, FALSE);
guint sigtrm = g_unix_signal_add(SIGTERM, mms_app_signal, engine);
guint sigint = g_unix_signal_add(SIGINT, mms_app_signal, engine);
/* Acquire name, don't allow replacement */
guint name_id = g_bus_own_name(opt.bus_type, MMS_ENGINE_SERVICE,
G_BUS_NAME_OWNER_FLAGS_REPLACE, mms_app_bus_acquired,
mms_app_name_acquired, mms_app_name_lost, engine, NULL);
/* Run the main loop */
mms_engine_run(engine, loop);
/* Cleanup and exit */
if (sigtrm) g_source_remove(sigtrm);
if (sigint) g_source_remove(sigint);
g_bus_unown_name(name_id);
g_main_loop_unref(loop);
mms_engine_unref(engine);
}
GINFO("Exiting");
}
if (gutil_log_func == gutil_log_syslog) {
closelog();
}
g_free(opt.global.root_dir);
mms_settings_sim_data_reset(&opt.settings);
mms_lib_deinit();
return result;
}