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/*
* Copyright (C) 2013 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 "InputFlinger"
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include "InputFlinger.h"
#include "InputDriver.h"
#include <binder/IPCThreadState.h>
#include <binder/PermissionCache.h>
#include <hardware/input.h>
#include <cutils/log.h>
#include <private/android_filesystem_config.h>
namespace android {
const String16 sAccessInputFlingerPermission("android.permission.ACCESS_INPUT_FLINGER");
const String16 sDumpPermission("android.permission.DUMP");
InputFlinger::InputFlinger() :
BnInputFlinger() {
ALOGI("InputFlinger is starting");
mHost = new InputHost();
mHost->registerInputDriver(new InputDriver(INPUT_INSTANCE_EVDEV));
}
InputFlinger::~InputFlinger() {
}
status_t InputFlinger::dump(int fd, const Vector<String16>& args) {
String8 result;
const IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
if ((uid != AID_SHELL)
&& !PermissionCache::checkPermission(sDumpPermission, pid, uid)) {
result.appendFormat("Permission Denial: "
"can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
} else {
dumpInternal(result);
}
write(fd, result.string(), result.size());
return OK;
}
void InputFlinger::dumpInternal(String8& result) {
result.append("INPUT FLINGER (dumpsys inputflinger)\n");
mHost->dump(result);
}
}; // namespace android
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