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-rw-r--r--services/inputflinger/host/InputFlinger.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/services/inputflinger/host/InputFlinger.cpp b/services/inputflinger/host/InputFlinger.cpp
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+++ b/services/inputflinger/host/InputFlinger.cpp
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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