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/* |
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// Copyright (c) 2014 Intel Corporation |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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*/ |
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#ifndef UEVENT_OBSERVER_H |
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#define UEVENT_OBSERVER_H |
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#include <utils/KeyedVector.h> |
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#include <utils/String8.h> |
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#include <SimpleThread.h> |
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namespace android { |
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namespace intel { |
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typedef void (*UeventListenerFunc)(void *data); |
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class UeventObserver |
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{ |
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public: |
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UeventObserver(); |
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virtual ~UeventObserver(); |
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public: |
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bool initialize(); |
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void deinitialize(); |
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void start(); |
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void registerListener(const char *event, UeventListenerFunc func, void *data); |
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private: |
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DECLARE_THREAD(UeventObserverThread, UeventObserver); |
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void onUevent(); |
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private: |
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enum { |
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UEVENT_MSG_LEN = 4096, |
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}; |
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char mUeventMessage[UEVENT_MSG_LEN]; |
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int mUeventFd; |
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int mExitRDFd; |
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int mExitWDFd; |
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struct UeventListener { |
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UeventListenerFunc func; |
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void *data; |
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}; |
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KeyedVector<String8, UeventListener*> mListeners; |
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}; |
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} // namespace intel |
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} // namespace android |
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#endif |
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