mirror of
https://github.com/wpilibsuite/allwpilib
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1315a3967d
Also add checking for "would block" errors in send() and receive(). Check for set nonblocking failures in TCPConnector as well (generate warnings rather than errors)
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/*
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TCPStream.h
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TCPStream class interface. TCPStream provides methods to trasnfer
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data between peers over a TCP/IP connection.
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------------------------------------------
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Copyright © 2013 [Vic Hargrave - http://vichargrave.com]
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 WPIUTIL_TCPSOCKETS_TCPSTREAM_H_
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#define WPIUTIL_TCPSOCKETS_TCPSTREAM_H_
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#include <cstddef>
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#include <string>
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#ifdef _WIN32
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#endif
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#include "tcpsockets/NetworkStream.h"
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struct sockaddr_in;
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namespace wpi {
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class TCPStream : public NetworkStream {
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int m_sd;
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std::string m_peerIP;
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int m_peerPort;
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bool m_blocking;
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public:
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friend class TCPAcceptor;
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friend class TCPConnector;
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~TCPStream();
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std::size_t send(const char* buffer, std::size_t len, Error* err) override;
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std::size_t receive(char* buffer, std::size_t len, Error* err,
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int timeout = 0) override;
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void close() override;
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llvm::StringRef getPeerIP() const override;
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int getPeerPort() const override;
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void setNoDelay() override;
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bool setBlocking(bool enabled) override;
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int getNativeHandle() const override;
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TCPStream(const TCPStream& stream) = delete;
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TCPStream& operator=(const TCPStream&) = delete;
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private:
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bool WaitForReadEvent(int timeout);
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TCPStream(int sd, sockaddr_in* address);
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TCPStream() = delete;
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};
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} // namespace wpi
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#endif
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