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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2014 Intel Corporation. All rights reserved.
*
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; 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 <stddef.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <stdbool.h>
#include <unistd.h>
#include <glib.h>
#include "ipc.h"
#include "log.h"
#include "audio-msg.h"
#include "audio-ipc.h"
static GIOChannel *audio_io = NULL;
static struct service_handler service;
static gboolean audio_watch_cb(GIOChannel *io, GIOCondition cond,
gpointer user_data)
{
char buf[BLUEZ_AUDIO_MTU];
ssize_t ret;
int fd, err;
if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
info("Audio IPC: command socket closed");
goto fail;
}
fd = g_io_channel_unix_get_fd(io);
ret = read(fd, buf, sizeof(buf));
if (ret < 0) {
error("Audio IPC: command read failed (%s)", strerror(errno));
goto fail;
}
err = ipc_handle_msg(&service, AUDIO_SERVICE_ID, buf, ret);
if (err < 0) {
error("Audio IPC: failed to handle message (%s)",
strerror(-err));
goto fail;
}
return TRUE;
fail:
audio_ipc_cleanup();
return FALSE;
}
static gboolean audio_connect_cb(GIOChannel *io, GIOCondition cond,
gpointer user_data)
{
DBG("");
if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
error("Audio IPC: socket connect failed");
audio_ipc_cleanup();
return FALSE;
}
cond = G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL;
g_io_add_watch(audio_io, cond, audio_watch_cb, NULL);
info("Audio IPC: successfully connected");
return FALSE;
}
void audio_ipc_init(void)
{
audio_io = ipc_connect(BLUEZ_AUDIO_SK_PATH, sizeof(BLUEZ_AUDIO_SK_PATH),
audio_connect_cb);
}
void audio_ipc_cleanup(void)
{
if (audio_io) {
g_io_channel_shutdown(audio_io, TRUE, NULL);
g_io_channel_unref(audio_io);
audio_io = NULL;
}
}
void audio_ipc_register(const struct ipc_handler *handlers, uint8_t size)
{
service.handler = handlers;
service.size = size;
}
void audio_ipc_unregister(void)
{
service.handler = NULL;
service.size = 0;
}
void audio_ipc_send_rsp(uint8_t opcode, uint8_t status)
{
struct audio_status s;
int sk;
sk = g_io_channel_unix_get_fd(audio_io);
if (status == AUDIO_STATUS_SUCCESS) {
ipc_send(sk, AUDIO_SERVICE_ID, opcode, 0, NULL, -1);
return;
}
s.code = status;
ipc_send(sk, AUDIO_SERVICE_ID, AUDIO_OP_STATUS, sizeof(s), &s, -1);
}
void audio_ipc_send_rsp_full(uint8_t opcode, uint16_t len, void *param, int fd)
{
ipc_send(g_io_channel_unix_get_fd(audio_io), AUDIO_SERVICE_ID, opcode,
len, param, fd);
}
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