mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2025-01-25 13:53:30 +08:00
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
|
|
*
|
|
* BlueZ - Bluetooth protocol stack for Linux
|
|
*
|
|
* Copyright (C) 2013 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
|
|
*
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <errno.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <glib.h>
|
|
|
|
#include "hal-msg.h"
|
|
#include "ipc.h"
|
|
#include "log.h"
|
|
|
|
void ipc_send(GIOChannel *io, uint8_t service_id, uint8_t opcode, uint16_t len,
|
|
void *param, int fd)
|
|
{
|
|
struct msghdr msg;
|
|
struct iovec iv[2];
|
|
struct hal_msg_hdr hal_msg;
|
|
char cmsgbuf[CMSG_SPACE(sizeof(int))];
|
|
struct cmsghdr *cmsg;
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
memset(&hal_msg, 0, sizeof(hal_msg));
|
|
|
|
hal_msg.service_id = service_id;
|
|
hal_msg.opcode = opcode;
|
|
hal_msg.len = len;
|
|
|
|
iv[0].iov_base = &hal_msg;
|
|
iv[0].iov_len = sizeof(hal_msg);
|
|
|
|
iv[1].iov_base = param;
|
|
iv[1].iov_len = len;
|
|
|
|
msg.msg_iov = iv;
|
|
msg.msg_iovlen = 2;
|
|
|
|
if (fd >= 0) {
|
|
cmsg = CMSG_FIRSTHDR(&msg);
|
|
cmsg->cmsg_level = SOL_SOCKET;
|
|
cmsg->cmsg_type = SCM_RIGHTS;
|
|
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
|
|
|
|
/* Initialize the payload */
|
|
memcpy(CMSG_DATA(cmsg), &fd, sizeof(int));
|
|
|
|
msg.msg_control = cmsgbuf;
|
|
msg.msg_controllen = sizeof(cmsgbuf);
|
|
}
|
|
|
|
if (sendmsg(g_io_channel_unix_get_fd(io), &msg, 0) < 0) {
|
|
error("IPC send failed, terminating :%s", strerror(errno));
|
|
raise(SIGTERM);
|
|
}
|
|
}
|
|
|
|
void ipc_send_error(GIOChannel *io, uint8_t service_id, uint8_t status)
|
|
{
|
|
struct hal_msg_rsp_error err;
|
|
|
|
err.status = status;
|
|
|
|
ipc_send(io, service_id, HAL_MSG_OP_ERROR, sizeof(err), &err, -1);
|
|
}
|