static void
xmms_ipc_handle_cmd_value (xmms_ipc_msg_t *msg, xmmsv_t *val)
{
if (xmms_ipc_msg_put_value (msg, val) == (uint32_t) -1) {
xmms_log_error ("Failed to serialize the return value into the IPC message!");
}
}
static void
process_msg (xmms_ipc_client_t *client, xmms_ipc_msg_t *msg)
{
xmms_object_t *object;
xmms_object_cmd_arg_t arg;
xmms_ipc_msg_t *retmsg;
xmmsv_t *error, *arguments;
uint32_t objid, cmdid;
g_return_if_fail (msg);
objid = xmms_ipc_msg_get_object (msg);
cmdid = xmms_ipc_msg_get_cmd (msg);
if (!xmms_ipc_msg_get_value (msg, &arguments)) {
xmms_log_error ("Cannot read command arguments. "
"Ignoring command.");
return;
}
if (objid == XMMS_IPC_OBJECT_SIGNAL) {
if (cmdid == XMMS_IPC_CMD_SIGNAL) {
xmms_ipc_register_signal (client, msg, arguments);
} else if (cmdid == XMMS_IPC_CMD_BROADCAST) {
xmms_ipc_register_broadcast (client, msg, arguments);
} else {
xmms_log_error ("Bad command id (%d) for signal object", cmdid);
}
goto out;
}
if (objid >= XMMS_IPC_OBJECT_END) {
xmms_log_error ("Bad object id (%d)", objid);
goto out;
}
g_mutex_lock (ipc_object_pool_lock);
object = ipc_object_pool->objects[objid];
g_mutex_unlock (ipc_object_pool_lock);
if (!object) {
xmms_log_error ("Object %d was not found!", objid);
goto out;
}
if (!g_tree_lookup (object->cmds, GUINT_TO_POINTER (cmdid))) {
xmms_log_error ("No such cmd %d on object %d", cmdid, objid);
goto out;
}
xmms_object_cmd_arg_init (&arg);
arg.args = arguments;
xmms_object_cmd_call (object, cmdid, &arg);
if (xmms_error_isok (&arg.error)) {
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_REPLY);
xmms_ipc_handle_cmd_value (retmsg, arg.retval);
} else {
/* FIXME: or we could omit setting the command to _CMD_ERROR
* and let the client check whether the value it got is an
* error xmmsv_t. If so, don't forget to
* update the client-side of IPC too. */
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_ERROR);
error = xmmsv_new_error (xmms_error_message_get (&arg.error));
xmms_ipc_msg_put_value (retmsg, error);
xmmsv_unref (error);
/*
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_REPLY);
xmms_ipc_handle_cmd_value (retmsg, arg.retval);
*/
}
if (arg.retval)
xmmsv_unref (arg.retval);
err:
xmms_ipc_msg_set_cookie (retmsg, xmms_ipc_msg_get_cookie (msg));
g_mutex_lock (client->lock);
xmms_ipc_client_msg_write (client, retmsg);
g_mutex_unlock (client->lock);
out:
if (arguments) {
xmmsv_unref (arguments);
}
}
static void
process_msg (xmms_ipc_client_t *client, xmms_ipc_msg_t *msg)
{
xmms_object_t *object;
xmms_object_cmd_desc_t *cmd = NULL;
xmms_object_cmd_arg_t arg;
xmms_ipc_msg_t *retmsg;
xmmsv_t *error, *arguments;
uint32_t objid, cmdid;
gint i;
g_return_if_fail (msg);
objid = xmms_ipc_msg_get_object (msg);
cmdid = xmms_ipc_msg_get_cmd (msg);
if (!xmms_ipc_msg_get_value (msg, &arguments)) {
xmms_log_error ("Cannot read command arguments. "
"Ignoring command.");
return;
}
if (objid == XMMS_IPC_OBJECT_SIGNAL) {
if (cmdid == XMMS_IPC_CMD_SIGNAL) {
xmms_ipc_register_signal (client, msg, arguments);
} else if (cmdid == XMMS_IPC_CMD_BROADCAST) {
xmms_ipc_register_broadcast (client, msg, arguments);
} else {
xmms_log_error ("Bad command id (%d) for signal object", cmdid);
}
goto out;
}
if (objid >= XMMS_IPC_OBJECT_END) {
xmms_log_error ("Bad object id (%d)", objid);
goto out;
}
g_mutex_lock (ipc_object_pool_lock);
object = ipc_object_pool->objects[objid];
g_mutex_unlock (ipc_object_pool_lock);
if (!object) {
xmms_log_error ("Object %d was not found!", objid);
goto out;
}
if (object->cmds)
cmd = g_tree_lookup (object->cmds, GUINT_TO_POINTER (cmdid));
if (!cmd) {
xmms_log_error ("No such cmd %d on object %d", cmdid, objid);
goto out;
}
xmms_object_cmd_arg_init (&arg);
for (i = 0; i < XMMS_OBJECT_CMD_MAX_ARGS; i++) {
if (!type_and_msg_to_arg (cmd->args[i], arguments, &arg, i)) {
xmms_log_error ("Error parsing args");
if (objid == XMMS_IPC_OBJECT_MAIN &&
cmdid == XMMS_IPC_CMD_HELLO) {
xmms_log_error ("Couldn't parse hello message. "
"Maybe the client or libxmmsclient "
"needs to be updated.");
}
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_ERROR);
error = xmmsv_new_error ("Corrupt msg");
xmms_ipc_msg_put_value (retmsg, error);
xmmsv_unref (error);
goto err;
}
}
xmms_object_cmd_call (object, cmdid, &arg);
if (xmms_error_isok (&arg.error)) {
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_REPLY);
xmms_ipc_handle_cmd_value (retmsg, arg.retval);
} else {
/* FIXME: or we could omit setting the command to _CMD_ERROR
* and let the client check whether the value it got is an
* error xmmsv_t. If so, don't forget to
* update the client-side of IPC too. */
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_ERROR);
error = xmmsv_new_error (xmms_error_message_get (&arg.error));
xmms_ipc_msg_put_value (retmsg, error);
xmmsv_unref (error);
/*
retmsg = xmms_ipc_msg_new (objid, XMMS_IPC_CMD_REPLY);
xmms_ipc_handle_cmd_value (retmsg, arg.retval);
*/
}
if (arg.retval)
xmmsv_unref (arg.retval);
err:
for (i = 0; i < XMMS_OBJECT_CMD_MAX_ARGS; i++) {
if (arg.values[i])
xmmsv_unref (arg.values[i]);
}
xmms_ipc_msg_set_cookie (retmsg, xmms_ipc_msg_get_cookie (msg));
g_mutex_lock (client->lock);
xmms_ipc_client_msg_write (client, retmsg);
g_mutex_unlock (client->lock);
out:
if (arguments) {
xmmsv_unref (arguments);
}
}
