mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
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93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2013 Intel Corporation. All rights reserved.
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stddef.h>
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#include <errno.h>
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#include <stdint.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/socket.h>
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#include <glib.h>
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#include "hal-msg.h"
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#include "ipc.h"
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#include "log.h"
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void ipc_send(GIOChannel *io, uint8_t service_id, uint8_t opcode, uint16_t len,
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void *param, int fd)
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{
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struct msghdr msg;
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struct iovec iv[2];
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struct hal_hdr m;
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char cmsgbuf[CMSG_SPACE(sizeof(int))];
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struct cmsghdr *cmsg;
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memset(&msg, 0, sizeof(msg));
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memset(&m, 0, sizeof(m));
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m.service_id = service_id;
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m.opcode = opcode;
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m.len = len;
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iv[0].iov_base = &m;
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iv[0].iov_len = sizeof(m);
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iv[1].iov_base = param;
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iv[1].iov_len = len;
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msg.msg_iov = iv;
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msg.msg_iovlen = 2;
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if (fd >= 0) {
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cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = CMSG_LEN(sizeof(int));
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/* Initialize the payload */
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memcpy(CMSG_DATA(cmsg), &fd, sizeof(int));
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msg.msg_control = cmsgbuf;
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msg.msg_controllen = sizeof(cmsgbuf);
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}
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if (sendmsg(g_io_channel_unix_get_fd(io), &msg, 0) < 0) {
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error("IPC send failed, terminating :%s", strerror(errno));
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raise(SIGTERM);
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}
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}
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void ipc_send_rsp(GIOChannel *io, uint8_t service_id, uint8_t status)
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{
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struct hal_status s;
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s.code = status;
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ipc_send(io, service_id, HAL_OP_STATUS, sizeof(s), &s, -1);
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}
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