1/*
2 * Copyright (C) 2016 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#define LOG_TAG "dumpstate"
18
19#include "DumpstateDevice.h"
20
21#include <log/log.h>
22
23#include "DumpstateUtil.h"
24
25using android::os::dumpstate::DumpFileToFd;
26using android::os::dumpstate::RunCommandToFd;
27
28namespace android {
29namespace hardware {
30namespace dumpstate {
31namespace V1_0 {
32namespace implementation {
33
34// Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
35Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
36    // NOTE: this is just an example on how to use the DumpstateUtil.h functions to implement
37    // this interface - since HIDL_FETCH_IDumpstateDevice() is not defined, this function will never
38    // be called by dumpstate.
39
40    if (handle == nullptr || handle->numFds < 1) {
41        ALOGE("no FDs\n");
42        return Void();
43    }
44
45    int fd = handle->data[0];
46    if (fd < 0) {
47        ALOGE("invalid FD: %d\n", handle->data[0]);
48        return Void();
49    }
50    ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
51    ALOGI("Dumpstate HIDL not provided by device\n");
52    dprintf(fd, "Dumpstate HIDL not provided by device; providing bogus data.\n");
53
54    // Shows some examples on how to use the libdumpstateutil API.
55    RunCommandToFd(fd, "DATE", {"/vendor/bin/date"});
56    DumpFileToFd(fd, "HOSTS", "/system/etc/hosts");
57
58    return Void();
59}
60
61}  // namespace implementation
62}  // namespace V1_0
63}  // namespace dumpstate
64}  // namespace hardware
65}  // namespace android
66