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70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
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/*
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* Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __AE_NON_BLOCKING_COMM_SOCKET_H
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#define __AE_NON_BLOCKING_COMM_SOCKET_H
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#include <UnixCommunicationSocket.h>
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#define MAX_EVENTS 12
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class NonBlockingUnixCommunicationSocket : public UnixCommunicationSocket
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{
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public:
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NonBlockingUnixCommunicationSocket(const char* socketbase) : UnixCommunicationSocket(socketbase), mEvents(NULL), mEpoll(-1) {}
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NonBlockingUnixCommunicationSocket(int socket) : UnixCommunicationSocket(socket), mEvents(NULL), mEpoll(-1) {}
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~NonBlockingUnixCommunicationSocket();
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bool init();
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char* readRaw(ssize_t length); //throw(SockDisconnectedException) = 0;
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ssize_t writeRaw(const char* data, ssize_t length);
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int getSockDescriptor();
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bool wasTimeoutDetected();
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bool setTimeout(uint32_t milliseconds);
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void Cancel() const;
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protected:
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bool MakeNonBlocking();
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ssize_t partialRead(char* buffer, ssize_t maxLength);
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//members
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struct epoll_event *mEvents; //epoll for events on two sources: 0->special command pipe. 1->the socket
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int mEpoll;
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int mCommandPipe[2];
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private:
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//non-copyable
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NonBlockingUnixCommunicationSocket(const NonBlockingUnixCommunicationSocket&);
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NonBlockingUnixCommunicationSocket& operator=(const NonBlockingUnixCommunicationSocket&);
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};
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#endif
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