1/*
2 * Copyright (C) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <unistd.h>
17#include <cerrno>
18#include <cinttypes>
19#include "bluetooth_socket_outputstream.h"
20#include "bluetooth_log.h"
21#include "sys/socket.h"
22
23namespace OHOS {
24namespace Bluetooth {
25
26static constexpr int32_t SOCKET_SEND_TIME_THRESHOLD = 1000; // 1000ms
27static int64_t GetNowTimestamp(void)
28{
29    struct timeval tv;
30    gettimeofday(&tv, nullptr);
31    int64_t timestamp = tv.tv_sec * 1000 + tv.tv_usec / 1000;
32    return timestamp;
33}
34
35OutputStream::OutputStream(int socketFd) : socketFd_(socketFd)
36{}
37
38OutputStream::~OutputStream()
39{}
40
41int OutputStream::Write(const uint8_t *buf, size_t length)
42{
43    if (socketFd_ == -1) {
44        HILOGE("socket closed.");
45        return -1;
46    }
47
48    int64_t beginTimestamp = GetNowTimestamp();
49    auto ret = send(socketFd_, buf, length, MSG_NOSIGNAL);
50    int64_t endTimestamp = GetNowTimestamp();
51    if (endTimestamp - beginTimestamp > SOCKET_SEND_TIME_THRESHOLD) {
52        HILOGE("socket send time %{public}" PRId64, endTimestamp - beginTimestamp);
53    }
54
55    HILOGD("ret: %{public}zu", ret);
56
57    if (ret == -1) {
58        HILOGE("Error.");
59        return -1;
60    }
61    return ret;
62}
63}  // namespace Bluetooth
64}  // namespace OHOS