зеркало из https://github.com/mozilla/gecko-dev.git
181 строка
4.2 KiB
C++
181 строка
4.2 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Socket.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/sco.h>
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#include <bluetooth/rfcomm.h>
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#include <bluetooth/l2cap.h>
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#include "nsThreadUtils.h"
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#undef LOG
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#if defined(MOZ_WIDGET_GONK)
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#include <android/log.h>
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#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gonk", args)
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#else
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#define LOG(args...) printf(args);
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#endif
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#define TYPE_AS_STR(t) \
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((t) == TYPE_RFCOMM ? "RFCOMM" : ((t) == TYPE_SCO ? "SCO" : "L2CAP"))
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namespace mozilla {
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namespace ipc {
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static const int RFCOMM_SO_SNDBUF = 70 * 1024; // 70 KB send buffer
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static const int TYPE_RFCOMM = 1;
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static const int TYPE_SCO = 2;
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static const int TYPE_L2CAP = 3;
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static int get_bdaddr(const char *str, bdaddr_t *ba)
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{
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char *d = ((char*)ba) + 5, *endp;
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for (int i = 0; i < 6; i++) {
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*d-- = strtol(str, &endp, 16);
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MOZ_ASSERT(*endp != ':' && i != 5);
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str = endp + 1;
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}
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return 0;
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}
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int
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OpenSocket(int type, const char* aAddress, int channel, bool auth, bool encrypt)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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int lm = 0;
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int fd = -1;
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int sndbuf;
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switch (type) {
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case TYPE_RFCOMM:
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fd = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
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break;
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case TYPE_SCO:
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fd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO);
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break;
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case TYPE_L2CAP:
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fd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
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break;
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default:
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return -1;
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}
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if (fd < 0) {
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NS_WARNING("Could not open bluetooth socket!");
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return -1;
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}
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/* kernel does not yet support LM for SCO */
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switch (type) {
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case TYPE_RFCOMM:
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lm |= auth ? RFCOMM_LM_AUTH : 0;
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lm |= encrypt ? RFCOMM_LM_ENCRYPT : 0;
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lm |= (auth && encrypt) ? RFCOMM_LM_SECURE : 0;
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break;
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case TYPE_L2CAP:
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lm |= auth ? L2CAP_LM_AUTH : 0;
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lm |= encrypt ? L2CAP_LM_ENCRYPT : 0;
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lm |= (auth && encrypt) ? L2CAP_LM_SECURE : 0;
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break;
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}
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if (lm) {
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if (setsockopt(fd, SOL_RFCOMM, RFCOMM_LM, &lm, sizeof(lm))) {
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LOG("setsockopt(RFCOMM_LM) failed, throwing");
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return -1;
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}
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}
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if (type == TYPE_RFCOMM) {
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sndbuf = RFCOMM_SO_SNDBUF;
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if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf))) {
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LOG("setsockopt(SO_SNDBUF) failed, throwing");
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return -1;
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}
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}
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int n = 1;
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setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n));
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socklen_t addr_sz;
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struct sockaddr *addr;
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bdaddr_t bd_address_obj;
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int mPort = channel;
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char mAddress[18];
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mAddress[17] = '\0';
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strncpy(&mAddress[0], aAddress, 17);
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if (get_bdaddr(aAddress, &bd_address_obj)) {
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NS_WARNING("Can't get bluetooth address!");
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return -1;
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}
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switch (type) {
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case TYPE_RFCOMM:
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struct sockaddr_rc addr_rc;
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addr = (struct sockaddr *)&addr_rc;
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addr_sz = sizeof(addr_rc);
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memset(addr, 0, addr_sz);
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addr_rc.rc_family = AF_BLUETOOTH;
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addr_rc.rc_channel = mPort;
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memcpy(&addr_rc.rc_bdaddr, &bd_address_obj, sizeof(bdaddr_t));
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break;
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case TYPE_SCO:
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struct sockaddr_sco addr_sco;
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addr = (struct sockaddr *)&addr_sco;
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addr_sz = sizeof(addr_sco);
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memset(addr, 0, addr_sz);
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addr_sco.sco_family = AF_BLUETOOTH;
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memcpy(&addr_sco.sco_bdaddr, &bd_address_obj, sizeof(bdaddr_t));
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break;
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default:
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NS_WARNING("Socket type unknown!");
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return -1;
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}
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int ret = connect(fd, addr, addr_sz);
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if (ret) {
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#if DEBUG
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LOG("Socket connect errno=%d\n", errno);
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#endif
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NS_WARNING("Socket connect error!");
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return -1;
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}
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// Match android_bluetooth_HeadsetBase.cpp line 384
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// Skip many lines
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return fd;
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}
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int
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GetNewSocket(int type, const char* aAddress, int channel, bool auth, bool encrypt)
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{
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return OpenSocket(type, aAddress, channel, auth, encrypt);
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}
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int
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CloseSocket(int aFd)
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{
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// This can block since we aren't opening sockets O_NONBLOCK
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MOZ_ASSERT(!NS_IsMainThread());
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return close(aFd);
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}
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} // namespace ipc
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} // namespace mozilla
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