platform_hardware_interfaces/dumpstate/1.0/default/DumpstateDevice.cpp
Sandeep Patil fd472b82f5 dumpstate hal: use vendor toybox
Bug: 36463595
Test: Dumpstate works

Change-Id: I9f79924fe6c2c7624f97ce24dcf95f61ee165146
Signed-off-by: Sandeep Patil <sspatil@google.com>
2017-04-14 19:14:42 -07:00

65 lines
2 KiB
C++

/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "dumpstate"
#include "DumpstateDevice.h"
#include <log/log.h>
#include "DumpstateUtil.h"
using android::os::dumpstate::DumpFileToFd;
using android::os::dumpstate::RunCommandToFd;
namespace android {
namespace hardware {
namespace dumpstate {
namespace V1_0 {
namespace implementation {
// Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
// NOTE: this is just an example on how to use the DumpstateUtil.h functions to implement
// this interface - since HIDL_FETCH_IDumpstateDevice() is not defined, this function will never
// be called by dumpstate.
if (handle->numFds < 1) {
ALOGE("no FDs\n");
return Void();
}
int fd = handle->data[0];
if (fd < 0) {
ALOGE("invalid FD: %d\n", handle->data[0]);
return Void();
}
ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
ALOGI("Dumpstate HIDL not provided by device\n");
dprintf(fd, "Dumpstate HIDL not provided by device; providing bogus data.\n");
// Shows some examples on how to use the libdumpstateutil API.
RunCommandToFd(fd, "DATE", {"/vendor/bin/date"});
DumpFileToFd(fd, "HOSTS", "/system/etc/hosts");
return Void();
}
} // namespace implementation
} // namespace V1_0
} // namespace dumpstate
} // namespace hardware
} // namespace android