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router-dbusif.c
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router-dbusif.c
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/******************************************************************************
* @file: router-dbusif.c
*
* The file contains the implementation of the interfaces to handle D-Bus for
* the PulseAudio router module.
*
*
* @component: PulseAudio router module
*
* @author: Toshiaki Isogai <[email protected]>
* Kapildev Patel <[email protected]>
*
* @copyright (c) 2016 Advanced Driver Information Technology.
* This code is developed by Advanced Driver Information Technology.
* Copyright of Advanced Driver Information Technology, Bosch, and DENSO.
* All rights reserved.
*
*****************************************************************************/
#include <pulsecore/pulsecore-config.h>
#include <stdint.h>
#include <pulsecore/core-util.h>
#include <pulsecore/dbus-shared.h>
#include <pulsecore/protocol-dbus.h>
#include <pulsecore/dbus-util.h>
#include <pulsecore/llist.h>
#include "router-userdata.h"
#include "router-dbusif.h"
#define GENIVI_DBUS_PLUGIN 1
typedef void (*pending_cb_t)(struct userdata *, DBusMessage *, void *);
typedef struct pending {
PA_LLIST_FIELDS(struct pending);
struct userdata *u;
DBusPendingCall *call;
pending_cb_t cb;
void *data;
} pending_dbus_calls_t;
struct router_dbusif {
pa_dbus_connection *conn;
char *pulse_router_dbus_return_interface_name;
char *pulse_router_dbus_name;
char *pulse_router_dbus_interface_name;
char *pulse_router_dbus_path;
char *am_command_dbus_name;
char *am_command_dbus_interface_name;
char *am_command_dbus_path;
char *am_routing_dbus_name;
char *am_routing_dbus_interface_name;
char *am_routing_dbus_path;
char* am_watch_rule;
cb_new_main_connection_t cb_new_main_connection;
cb_removed_main_connection_t cb_removed_main_connection;
cb_main_connection_state_changed_t cb_main_connection_state_changed;
cb_command_connect_reply_t cb_command_connect_reply;
cb_command_disconnect_reply_t cb_command_disconnect_reply;
cb_routing_register_domain_reply_t cb_routing_register_domain_reply;
cb_routing_deregister_domain_reply_t cb_routing_deregister_domain_reply;
cb_routing_register_sink_reply_t cb_routing_register_sink_reply;
cb_routing_deregister_sink_reply_t cb_routing_deregister_sink_reply;
cb_routing_register_source_reply_t cb_routing_register_source_reply;
cb_routing_deregister_source_reply_t cb_routing_deregister_source_reply;
cb_routing_peek_source_reply_t cb_routing_peek_source_reply;
cb_routing_peek_sink_reply_t cb_routing_peek_sink_reply;
cb_routing_async_connect_t cb_routing_async_connect;
cb_routing_async_disconnect_t cb_routing_async_disconnect;
cb_routing_async_set_volume_t cb_routing_async_set_sink_volume;
cb_routing_async_set_volume_t cb_routing_async_set_source_volume;
cb_routing_async_set_source_state_t cb_routing_async_set_source_state;
cb_routing_get_domain_of_source_reply_t cb_routing_get_domain_of_source_reply;
cb_routing_get_domain_of_sink_reply_t cb_routing_get_domain_of_sink_reply;
PA_LLIST_HEAD(pending_dbus_calls_t, pending_call_list);
};
static void free_routerif(struct userdata * u);
static bool send_message_with_reply(struct userdata *, DBusMessage *, pending_cb_t, void *);
/*
* callbacks for the synchronous messages
*/
static void router_dbusif_connect_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_disconnect_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_register_domain_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_deregister_domain_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_register_sink_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_deregister_sink_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_register_source_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_deregister_source_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_peek_source_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_peek_sink_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_get_domain_of_source_reply_cb(struct userdata *, DBusMessage *, void *);
static void router_dbusif_get_domain_of_sink_reply_cb(struct userdata *, DBusMessage *, void *);
/* dbus message handlers */
static DBusHandlerResult router_dbusif_routing_async_connect_handler(DBusConnection *conn, DBusMessage *msg, void *arg);
static DBusHandlerResult router_dbusif_routing_async_disconnect_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_routing_async_set_sink_volume_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_routing_async_set_source_volume_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_routing_async_set_source_state_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_command_cb_new_connection_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_command_cb_removed_connection_handler(DBusConnection *conn, DBusMessage *msg,
void *arg);
static DBusHandlerResult router_dbusif_command_cb_connection_state_changed_handler(DBusConnection *conn,
DBusMessage *msg, void *arg);
typedef DBusHandlerResult (*method_t)(DBusConnection *, DBusMessage *, void *);
/**
* @brief The callback function when any request is received on dbus.
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_method_handler(DBusConnection *conn, DBusMessage *msg, void *arg) {
struct dispatch {
const char *name;
method_t method;
};
static struct dispatch dispatch_tbl[] = {
{ "asyncConnect", router_dbusif_routing_async_connect_handler },
{ "asyncDisconnect", router_dbusif_routing_async_disconnect_handler },
{ "asyncSetSinkVolume", router_dbusif_routing_async_set_sink_volume_handler },
{ "asyncSetSourceVolume", router_dbusif_routing_async_set_source_volume_handler },
{ "asyncSetSourceState", router_dbusif_routing_async_set_source_state_handler },
{ "NewMainConnection", router_dbusif_command_cb_new_connection_handler },
{ "RemovedMainConnection", router_dbusif_command_cb_removed_connection_handler },
{ "MainConnectionStateChanged", router_dbusif_command_cb_connection_state_changed_handler },
{ NULL, NULL } };
struct userdata *u = (struct userdata *) arg;
struct dispatch *d;
const char *name;
dbus_int16_t errcod;
method_t method;
DBusMessage *reply;
dbus_bool_t success;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
ROUTER_FUNCTION_ENTRY;
pa_assert(conn);
pa_assert(msg);
pa_assert(u);
if ( dbus_message_get_type(msg) == DBUS_MESSAGE_TYPE_METHOD_CALL
|| dbus_message_get_type(msg) == DBUS_MESSAGE_TYPE_SIGNAL ) {
name = dbus_message_get_member(msg);
pa_assert(name);
pa_log_debug("Message with name=%s", name);
for ( method = NULL, d = dispatch_tbl; d->name ; d++ ) {
if ( !strcmp(name, d->name) ) {
method = d->method;
break;
}
}
if ( method ) {
result = method(conn, msg, u);
}
}
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The async connection request handler.
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_routing_async_connect_handler(DBusConnection *conn, DBusMessage *msg, void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
am_connect_t cd;
dbus_bool_t success = FALSE;
dbus_int16_t status = E_NOT_POSSIBLE;
DBusMessage *reply = NULL;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
memset(&cd, 0, sizeof(cd));
dbus_error_init(&error);
#ifdef GENIVI_DBUS_PLUGIN
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &cd.handle, DBUS_TYPE_UINT16, &cd.connection_id,
DBUS_TYPE_UINT16, &cd.source_id, DBUS_TYPE_UINT16, &cd.sink_id, DBUS_TYPE_INT32, &cd.connection_format,
DBUS_TYPE_INVALID);
#else
success = dbus_message_get_args(msg, &error,
DBUS_TYPE_UINT16, &cd.handle,
DBUS_TYPE_UINT16, &cd.connection_id,
DBUS_TYPE_UINT16, &cd.source_id,
DBUS_TYPE_UINT16, &cd.sink_id,
DBUS_TYPE_INT16, &cd.connection_format,
DBUS_TYPE_INVALID);
#endif
if ( success == TRUE ) {
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_message_append_args(reply, DBUS_TYPE_UINT16, &status, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
}
dbus_message_unref(reply);
}
if ( u->dbusif->cb_routing_async_connect ) {
status = u->dbusif->cb_routing_async_connect(u, cd.handle, cd.connection_id, cd.source_id, cd.sink_id,
cd.connection_format);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The async disconnection request handler.
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_routing_async_disconnect_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
uint16_t handle;
uint16_t connection;
dbus_bool_t success = FALSE;
dbus_int16_t status = E_NOT_POSSIBLE;
DBusMessage *reply = NULL;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &handle, DBUS_TYPE_UINT16, &connection,
DBUS_TYPE_INVALID);
if ( success == TRUE ) {
if ( u->dbusif->cb_routing_async_disconnect ) {
status = u->dbusif->cb_routing_async_disconnect(u, handle, connection);
}
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_message_append_args(reply, DBUS_TYPE_UINT16, &status, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
}
dbus_message_unref(reply);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The async set sink volume handler.
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_routing_async_set_sink_volume_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_bool_t success = FALSE;
dbus_int16_t status = E_NOT_POSSIBLE;
DBusMessage *reply = NULL;
uint16_t handle = 0;
uint16_t sink_id = 0;
int16_t volume = 0;
int16_t ramp_type = 0;
uint16_t ramp_time = 0;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &handle, DBUS_TYPE_UINT16, &sink_id, DBUS_TYPE_INT16,
&volume, DBUS_TYPE_INT16, &ramp_type, DBUS_TYPE_UINT16, &ramp_time, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_message_append_args(reply, DBUS_TYPE_UINT16, &status, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
}
dbus_message_unref(reply);
}
if ( u->dbusif->cb_routing_async_set_sink_volume ) {
status = u->dbusif->cb_routing_async_set_sink_volume(u, handle, sink_id, (int32_t) volume, ramp_type,
ramp_time);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The async set source volume handler.
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_routing_async_set_source_volume_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_bool_t success = FALSE;
dbus_int16_t status = E_NOT_POSSIBLE;
DBusMessage *reply = NULL;
uint16_t handle = 0;
uint16_t source_id = 0;
int16_t volume = 0;
int32_t ramp_type = 0;
uint16_t ramp_time = 0;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &handle, DBUS_TYPE_UINT16, &source_id,
DBUS_TYPE_INT16, &volume, DBUS_TYPE_INT16, &ramp_type, DBUS_TYPE_UINT16, &ramp_time, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_message_append_args(reply, DBUS_TYPE_UINT16, &status, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
}
dbus_message_unref(reply);
}
if ( u->dbusif->cb_routing_async_set_source_volume ) {
status = u->dbusif->cb_routing_async_set_source_volume(u, handle, source_id, volume, ramp_type, ramp_time);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The async set source handler
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_routing_async_set_source_state_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_bool_t success = FALSE;
dbus_int16_t status = E_NOT_POSSIBLE;
DBusMessage *reply = NULL;
uint16_t handle = 0;
uint16_t source_id = 0;
int32_t state = 0;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
#ifdef GENIVI_DBUS_PLUGIN
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &handle, DBUS_TYPE_UINT16, &source_id,
DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID);
#else
success = dbus_message_get_args(msg, &error,
DBUS_TYPE_UINT16, &handle,
DBUS_TYPE_UINT16, &source_id,
DBUS_TYPE_INT16, &state,
DBUS_TYPE_INVALID);
#endif
if ( success == TRUE ) {
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_message_append_args(reply, DBUS_TYPE_UINT16, &status, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
}
dbus_message_unref(reply);
}
if ( u->dbusif->cb_routing_async_set_source_state ) {
pa_log_error("source id = %d,source state = %d", source_id, state);
status = u->dbusif->cb_routing_async_set_source_state(u, handle, source_id, state);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The command side new connection notification handler
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_command_cb_new_connection_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
am_main_connection_t mcd;
dbus_bool_t success = FALSE;
DBusMessage *reply;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
#if 0
memset(&mcd, 0, sizeof(mcd));
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error,
DBUS_TYPE_UINT16, &mcd.connection_id,
DBUS_TYPE_UINT16, &mcd.source_id,
DBUS_TYPE_UINT16, &mcd.sink_id,
DBUS_TYPE_INT32, &mcd.delay,
DBUS_TYPE_INT32, &mcd.state,
DBUS_TYPE_INVALID);
if (success == TRUE)
{
if (u->dbusif->cb_new_main_connection)
{
u->dbusif->cb_new_main_connection(u,
&mcd);
}
reply = dbus_message_new_method_return(msg);
if (reply) {
success = dbus_connection_send(conn, reply, NULL);
if (success == TRUE) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
dbus_message_unref(reply);
}
}
else {
if (dbus_error_is_set(&error) == TRUE) {
pa_log_error("%s: error while parsing the message '%s', %s: %s",
__FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
#endif
result = DBUS_HANDLER_RESULT_HANDLED;
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The command side removed connection notification handler
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_command_cb_removed_connection_handler(DBusConnection *conn, DBusMessage *msg,
void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_bool_t success = FALSE;
uint16_t main_connection = 0;
DBusMessage *reply = NULL;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &main_connection, DBUS_TYPE_INVALID);
if ( success == TRUE ) {
if ( u->dbusif->cb_removed_main_connection ) {
u->dbusif->cb_removed_main_connection(u, main_connection);
}
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
dbus_message_unref(reply);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief The command side connection state change notification handler
* @param conn: The dbus connection pointer.
* msg: The dbus message.
* args: The pointer which was registered while registering this function, The userdata.
* @return DBusHandlerResult
*/
static DBusHandlerResult router_dbusif_command_cb_connection_state_changed_handler(DBusConnection *conn,
DBusMessage *msg, void *arg) {
DBusError error;
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_bool_t success = FALSE;
uint16_t main_connection = 0;
int16_t state = 0;
DBusMessage *reply = NULL;
struct userdata *u = (struct userdata *) arg;
const char *name = dbus_message_get_member(msg);
ROUTER_FUNCTION_ENTRY;
pa_assert(u);
pa_assert(msg);
pa_assert(name);
dbus_error_init(&error);
success = dbus_message_get_args(msg, &error, DBUS_TYPE_UINT16, &main_connection, DBUS_TYPE_INT16, &state,
DBUS_TYPE_INVALID);
if ( success == TRUE ) {
if ( u->dbusif->cb_main_connection_state_changed ) {
u->dbusif->cb_main_connection_state_changed(u, main_connection, (int32_t) state);
}
reply = dbus_message_new_method_return(msg);
if ( reply ) {
success = dbus_connection_send(conn, reply, NULL);
if ( success == TRUE ) {
result = DBUS_HANDLER_RESULT_HANDLED;
pa_log_debug("%s: handled message '%s'", __FILE__, name);
}
dbus_message_unref(reply);
}
} else {
if ( dbus_error_is_set(&error) == TRUE ) {
pa_log_error("%s: error while parsing the message '%s', %s: %s", __FILE__, name, error.name, error.message);
}
}
dbus_error_free(&error);
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief This function performs the initialization of dbus interface.
* @param u: The user data of the module.
* init_data: The data structure filled by the client which fills the dbus callbacks and other params.
* @return router_dbusif
*/
router_dbusif *router_dbusif_init(struct userdata *u, router_init_data_t* init_data) {
static const DBusObjectPathVTable vtable = { .message_function = router_dbusif_method_handler, };
DBusError error;
DBusConnection *dbusconn;
int result;
ROUTER_FUNCTION_ENTRY;
router_dbusif* routerif = pa_xnew0(router_dbusif, 1);
if ( routerif == NULL ) {
return routerif;
}
PA_LLIST_HEAD_INIT(pending_dbus_calls_t, routerif->pending_call_list);
routerif->pulse_router_dbus_return_interface_name = pa_xstrdup(init_data->pulse_router_dbus_return_interface_name);
routerif->pulse_router_dbus_name = pa_xstrdup(init_data->pulse_router_dbus_name);
routerif->pulse_router_dbus_interface_name = pa_xstrdup(init_data->pulse_router_dbus_interface_name);
routerif->pulse_router_dbus_path = pa_xstrdup(init_data->pulse_router_dbus_path);
routerif->am_command_dbus_name = pa_xstrdup(init_data->am_command_dbus_name);
routerif->am_command_dbus_interface_name = pa_xstrdup(init_data->am_command_dbus_interface_name);
routerif->am_command_dbus_path = pa_xstrdup(init_data->am_command_dbus_path);
routerif->am_routing_dbus_name = pa_xstrdup(init_data->am_routing_dbus_name);
routerif->am_routing_dbus_interface_name = pa_xstrdup(init_data->am_routing_dbus_interface_name);
routerif->am_routing_dbus_path = pa_xstrdup(init_data->am_routing_dbus_path);
routerif->am_watch_rule = pa_xstrdup(init_data->am_watch_rule);
/* store callbacks in userdata */
routerif->cb_new_main_connection = init_data->cb_new_main_connection;
routerif->cb_removed_main_connection = init_data->cb_removed_main_connection;
routerif->cb_main_connection_state_changed = init_data->cb_main_connection_state_changed;
routerif->cb_command_connect_reply = init_data->cb_command_connect_reply;
routerif->cb_command_disconnect_reply = init_data->cb_command_disconnect_reply;
routerif->cb_routing_register_domain_reply = init_data->cb_routing_register_domain_reply;
routerif->cb_routing_deregister_domain_reply = init_data->cb_routing_deregister_domain_reply;
routerif->cb_routing_register_sink_reply = init_data->cb_routing_register_sink_reply;
routerif->cb_routing_deregister_sink_reply = init_data->cb_routing_deregister_sink_reply;
routerif->cb_routing_register_source_reply = init_data->cb_routing_register_source_reply;
routerif->cb_routing_deregister_source_reply = init_data->cb_routing_deregister_source_reply;
routerif->cb_routing_async_connect = init_data->cb_routing_async_connect;
routerif->cb_routing_async_disconnect = init_data->cb_routing_async_disconnect;
routerif->cb_routing_async_set_sink_volume = init_data->cb_routing_async_set_sink_volume;
routerif->cb_routing_async_set_source_volume = init_data->cb_routing_async_set_source_volume;
routerif->cb_routing_async_set_source_state = init_data->cb_routing_async_set_source_state;
routerif->cb_routing_peek_source_reply = init_data->cb_routing_peek_source_reply;
routerif->cb_routing_peek_sink_reply = init_data->cb_routing_peek_sink_reply;
routerif->cb_routing_get_domain_of_source_reply = init_data->cb_routing_get_domain_of_source_reply;
routerif->cb_routing_get_domain_of_sink_reply = init_data->cb_routing_get_domain_of_sink_reply;
dbus_error_init(&error);
routerif->conn = pa_dbus_bus_get(u->core, DBUS_BUS_SYSTEM, &error);
if ( (routerif->conn == NULL) || (dbus_error_is_set(&error) == TRUE) ) {
pa_log_error("%s: failed to get system Bus: %s: %s", __FILE__, error.name, error.message);
goto fail;
}
dbusconn = pa_dbus_connection_get(routerif->conn);
result = dbus_bus_request_name(dbusconn, routerif->pulse_router_dbus_name,
DBUS_NAME_FLAG_REPLACE_EXISTING | DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
if ( result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER && result != DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER ) {
pa_log_error("%s: D-Bus name request failed: %s: %s", __FILE__, error.name, error.message);
goto fail;
}
pa_log_debug("%s: now owner of '%s' D-Bus name on system bus", __FILE__, routerif->pulse_router_dbus_name);
dbus_connection_register_object_path(dbusconn, routerif->pulse_router_dbus_path, &vtable, u);
dbus_bus_add_match(dbusconn, routerif->am_watch_rule, &error);
dbus_connection_add_filter(dbusconn, router_dbusif_method_handler, u, NULL);
ROUTER_FUNCTION_EXIT;
return routerif;
fail:
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_return_interface_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_path);
MODULE_ROUTER_FREE(routerif->am_command_dbus_name);
MODULE_ROUTER_FREE(routerif->am_command_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->am_command_dbus_path);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_name);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_path);
MODULE_ROUTER_FREE(routerif->am_watch_rule);
MODULE_ROUTER_FREE(routerif);
dbus_error_free(&error);
return NULL;
}
/**
* @brief This function uninitialises this module
* @param routerif: The router interface structure.
* @return void
*/
void router_dbusif_done(struct router_dbusif *routerif) {
ROUTER_FUNCTION_ENTRY;
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_return_interface_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->pulse_router_dbus_path);
MODULE_ROUTER_FREE(routerif->am_command_dbus_name);
MODULE_ROUTER_FREE(routerif->am_command_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->am_command_dbus_path);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_name);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_interface_name);
MODULE_ROUTER_FREE(routerif->am_routing_dbus_path);
MODULE_ROUTER_FREE(routerif->am_watch_rule);
MODULE_ROUTER_FREE(routerif);
ROUTER_FUNCTION_EXIT;
}
/**
* @brief This function sends the command side connect request.
* @param u: The user data of the module.
* connect: The data structure for connect request.
* @return int
*/
int router_dbusif_command_connect(struct userdata *u, am_main_connection_t* connect) {
int result = -1;
router_dbusif* dbusif = u->dbusif;
dbus_bool_t success = FALSE;
DBusMessage* dbus_request = NULL;
am_main_connection_t* mainconnect_data;
ROUTER_FUNCTION_ENTRY;
if ( dbusif == NULL || dbusif->am_command_dbus_interface_name == NULL || dbusif->am_command_dbus_name == NULL
|| dbusif->am_command_dbus_path == NULL ) {
return result;
}
do {
dbus_request = dbus_message_new_method_call(dbusif->am_command_dbus_name, dbusif->am_command_dbus_path,
dbusif->am_command_dbus_interface_name, "Connect");
if ( dbus_request == NULL ) {
pa_log_error("DBUS message allocation failed");
break;
}
success = dbus_message_append_args(dbus_request, DBUS_TYPE_UINT16, &connect->source_id, DBUS_TYPE_UINT16,
&connect->sink_id, DBUS_TYPE_INVALID);
if ( success == FALSE ) {
pa_log_error("DBUS argument append failed");
break;
}
mainconnect_data = pa_xmemdup(connect, sizeof(am_main_connection_t));
if ( mainconnect_data == NULL ) {
break;
}
success = send_message_with_reply(u, dbus_request, router_dbusif_connect_reply_cb, mainconnect_data);
if ( success == FALSE ) {
pa_log_error("dbus_connection_send failed");
pa_xfree(mainconnect_data);
break;
}
} while ( 0 );
if ( dbus_request != NULL ) {
dbus_message_unref(dbus_request);
}
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief This function sends the command side disconnect request.
* @param u: The user data of the module.
* data: The data structure for disconnect request.
* @return int
*/
int router_dbusif_command_disconnect(struct userdata *u, am_disconnect_t* data) {
int result = -1;
router_dbusif* dbusif = u->dbusif;
dbus_bool_t success = FALSE;
DBusMessage* dbus_request = NULL;
DBusMessage* dbus_reply = NULL;
uint16_t *disconnection_data = NULL;
ROUTER_FUNCTION_ENTRY;
if ( dbusif == NULL || dbusif->am_command_dbus_interface_name == NULL || dbusif->am_command_dbus_name == NULL
|| dbusif->am_command_dbus_path == NULL ) {
return result;
}
do {
dbus_request = dbus_message_new_method_call(dbusif->am_command_dbus_name, dbusif->am_command_dbus_path,
dbusif->am_command_dbus_interface_name, "Disconnect");
if ( dbus_request == NULL ) {
pa_log_error("DBUS message allocation failed");
break;
}
success = dbus_message_append_args(dbus_request, DBUS_TYPE_UINT16, &data->connection_id, DBUS_TYPE_INVALID);
if ( success == FALSE ) {
pa_log_error("DBUS argument append failed");
break;
}
disconnection_data = pa_xmemdup(data, sizeof(am_disconnect_t));
success = send_message_with_reply(u, dbus_request, router_dbusif_disconnect_reply_cb, disconnection_data);
if ( success == FALSE ) {
pa_log_error("send_message_with_reply failed");
pa_xfree(disconnection_data);
break;
}
} while ( 0 );
if ( dbus_request != NULL ) {
dbus_message_unref(dbus_request);
}
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief This function sends the routing side domain register request
* @param u: The user data of the module.
* domain: The data structure for domain registration.
* @return int
*/
int router_dbusif_routing_register_domain(struct userdata *u, am_domain_register_t *domain) {
int result = -1;
router_dbusif* dbusif = u->dbusif;
dbus_bool_t success = FALSE;
DBusMessage* dbus_request = NULL;
DBusMessage* dbus_reply = NULL;
DBusMessageIter iter;
dbus_bool_t sucess = FALSE;
dbus_bool_t early;
dbus_bool_t complete;
ROUTER_FUNCTION_ENTRY;
if ( dbusif == NULL || dbusif->am_routing_dbus_name == NULL || dbusif->am_routing_dbus_path == NULL
|| dbusif->am_routing_dbus_interface_name == NULL ) {
return result;
}
do {
dbus_request = dbus_message_new_method_call(dbusif->am_routing_dbus_name, dbusif->am_routing_dbus_path,
dbusif->am_routing_dbus_interface_name, "registerDomain");
if ( dbus_request == NULL ) {
pa_log_error("DBUS message allocation failed");
break;
}
pa_log_error("bus_name: %s object_path: %s interface_name: %s", dbusif->am_routing_dbus_name,
dbusif->am_routing_dbus_path, dbusif->am_routing_dbus_interface_name);
early = (domain->early == true) ? TRUE : FALSE;
complete = (domain->complete == true) ? TRUE : FALSE;
char* domainname = domain->name;
char* busname = domain->busname;
char* nodename = domain->nodename;
dbus_message_iter_init_append(dbus_request, &iter);
#ifdef GENIVI_DBUS_PLUGIN
DBusMessageIter domainStructIter;
success = dbus_message_iter_open_container(&iter, DBUS_TYPE_STRUCT, NULL, &domainStructIter);
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_UINT16, &(domain->domain_id));
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_STRING, &domainname);
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_STRING, &busname);
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_STRING, &nodename);
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_BOOLEAN, &early);
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_BOOLEAN, &complete);
int16_t state = domain->state;
success = success && dbus_message_iter_append_basic(&domainStructIter, DBUS_TYPE_INT16, &state);
success = success && dbus_message_iter_close_container(&iter, &domainStructIter);
char* dbus_strings = dbusif->pulse_router_dbus_name;
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &dbus_strings);
dbus_strings = dbusif->pulse_router_dbus_path;
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &dbus_strings);
dbus_strings = dbusif->pulse_router_dbus_return_interface_name;
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &dbus_strings);
#else
success = dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT16, &domain->domain_id);
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &domainname);
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &busname);
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &nodename);
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &early);
success = success && dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &complete);
success = success
&& dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT16, &domain->state);
char* return_if_name = dbusif->pulse_router_dbus_return_interface_name;
success = success
&& dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &return_if_name);
#endif
if ( success == FALSE ) {
pa_log_error("DBUS argument append failed 8");
break;
}
am_domain_register_t *domain_register_data = pa_xmemdup(domain, sizeof(am_domain_register_t));
success = send_message_with_reply(u, dbus_request, router_dbusif_register_domain_reply_cb,
domain_register_data);
if ( success == FALSE ) {
pa_log_error("send_message_with_reply failed");
break;
}
} while ( 0 );
if ( dbus_reply != NULL ) {
dbus_message_unref(dbus_reply);
}
if ( dbus_request != NULL ) {
dbus_message_unref(dbus_request);
}
ROUTER_FUNCTION_EXIT;
return result;
}
/**
* @brief This function sends the routing side domain deregister request
* @param u: The user data of the module.
* data: The data structure for domain deregistration.
* @return int
*/
int router_dbusif_routing_deregister_domain(struct userdata *u, am_domain_unregister_t* data) {
int result = -1;
router_dbusif* dbusif = u->dbusif;
dbus_bool_t success = FALSE;
DBusMessage* dbus_request = NULL;
DBusMessage* dbus_reply = NULL;
ROUTER_FUNCTION_ENTRY;
if ( dbusif == NULL || dbusif->am_routing_dbus_name == NULL || dbusif->am_routing_dbus_path == NULL
|| dbusif->am_routing_dbus_interface_name == NULL ) {
return result;
}
do {
dbus_request = dbus_message_new_method_call(dbusif->am_routing_dbus_name, dbusif->am_routing_dbus_path,
dbusif->am_routing_dbus_interface_name, "deregisterDomain");
if ( dbus_request == NULL ) {
pa_log_error("DBUS message allocation failed");
break;
}
success = dbus_message_append_args(dbus_request, DBUS_TYPE_UINT16, &data->domain_id, DBUS_TYPE_INVALID);
if ( success == FALSE ) {
pa_log_error("DBUS argument appent failed");
break;
}
am_domain_unregister_t *domain_unregister_data = pa_xmemdup(data, sizeof(am_domain_unregister_t));
success = send_message_with_reply(u, dbus_request, router_dbusif_deregister_domain_reply_cb,
domain_unregister_data);
if ( success == FALSE ) {
pa_log_error("error in send_message_with_reply for de-register domain");
break;
}
} while ( 0 );
if ( dbus_reply != NULL ) {
dbus_message_unref(dbus_reply);
}
if ( dbus_request != NULL ) {
dbus_message_unref(dbus_request);