1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "buffet/flouride_socket_bluetooth_client.h"
18
19 #include <sys/socket.h>
20 #include <sys/un.h>
21
22 #include <brillo/streams/file_stream.h>
23
24 namespace buffet {
25
26 const char kFlourideSocketPath[] = "/dev/socket/bluetooth";
27
CreateInstance()28 std::unique_ptr<BluetoothClient> BluetoothClient::CreateInstance() {
29 return std::unique_ptr<BluetoothClient>{new FlourideSocketBluetoothClient};
30 }
31
FlourideSocketBluetoothClient()32 FlourideSocketBluetoothClient::FlourideSocketBluetoothClient() {}
33
~FlourideSocketBluetoothClient()34 FlourideSocketBluetoothClient::~FlourideSocketBluetoothClient() {}
35
36 // TODO(rginda): Call this from somewhere.
OpenSocket()37 bool FlourideSocketBluetoothClient::OpenSocket() {
38 LOG(INFO) << "Opening: " << kFlourideSocketPath;
39
40 int socket_fd = socket(PF_UNIX, SOCK_STREAM, 0);
41 if (socket_fd < 0) {
42 PLOG(ERROR) << "Failed to create domain socket: " << kFlourideSocketPath;
43 return false;
44 }
45
46 sockaddr_un addr{AF_UNIX};
47 static_assert(sizeof(kFlourideSocketPath) <= sizeof(addr.sun_path),
48 "kFlourideSocketPath too long");
49 strncpy(addr.sun_path, kFlourideSocketPath, sizeof(addr.sun_path));
50 if (connect(socket_fd, reinterpret_cast<sockaddr *>(&addr),
51 sizeof(sockaddr_un))) {
52 PLOG(ERROR) << "Failed to connect to domain socket: "
53 << kFlourideSocketPath;
54 close(socket_fd);
55 return false;
56 }
57
58 stream_ = brillo::FileStream::FromFileDescriptor(socket_fd, true, nullptr);
59 return true;
60 }
61
62 } // namespace buffet
63