device/bluetooth/bluetooth_socket_chromeos.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "device/bluetooth/bluetooth_socket_chromeos.h"
   6
   7 #include <vector>
   8
   9 #include <bluetooth/bluetooth.h>
  10 #include <bluetooth/rfcomm.h>
  11 #include <errno.h>
  12 #include <sys/socket.h>
  13 #include <sys/types.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16
  17 #include "base/logging.h"
  18 #include "device/bluetooth/bluetooth_service_record.h"
  19 #include "device/bluetooth/bluetooth_utils.h"
  20
  21 using device::BluetoothServiceRecord;
  22 using device::BluetoothSocket;
  23
  24 namespace chromeos {
  25
  26 BluetoothSocketChromeOs::BluetoothSocketChromeOs(
  27     const std::string& address, int fd)
  28   : address_(address),
  29     fd_(fd) {
  30 }
  31
  32 BluetoothSocketChromeOs::~BluetoothSocketChromeOs() {
  33   close(fd_);
  34 }
  35
  36 // static
  37 scoped_refptr<BluetoothSocket> BluetoothSocketChromeOs::CreateBluetoothSocket(
  38     const BluetoothServiceRecord& service_record) {
  39   BluetoothSocketChromeOs* bluetooth_socket = NULL;
  40   if (service_record.SupportsRfcomm()) {
  41     int socket_fd = socket(
  42         AF_BLUETOOTH, SOCK_STREAM | SOCK_NONBLOCK, BTPROTO_RFCOMM);
  43     struct sockaddr_rc socket_address = { 0 };
  44     socket_address.rc_family = AF_BLUETOOTH;
  45     socket_address.rc_channel = service_record.rfcomm_channel();
  46     device::bluetooth_utils::str2ba(service_record.address(),
  47         &socket_address.rc_bdaddr);
  48
  49     int status = connect(socket_fd, (struct sockaddr *)&socket_address,
  50         sizeof(socket_address));
  51     int errsv = errno;
  52     if (status == 0 || errno == EINPROGRESS) {
  53       bluetooth_socket = new BluetoothSocketChromeOs(service_record.address(),
  54           socket_fd);
  55     } else {
  56       LOG(ERROR) << "Failed to connect bluetooth socket "
  57           << "(" << service_record.address() << "): "
  58           << "(" << errsv << ") " << strerror(errsv);
  59       close(socket_fd);
  60     }
  61   }
  62   // TODO(bryeung): add support for L2CAP sockets as well.
  63
  64   return scoped_refptr<BluetoothSocketChromeOs>(bluetooth_socket);
  65 }
  66
  67 int BluetoothSocketChromeOs::fd() const {
  68   return fd_;
  69 }
  70
  71 }  // namespace chromeos