mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-20 00:51:42 +00:00
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)
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2015. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef WPIUTIL_TCPSOCKETS_NETWORKSTREAM_H_
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#define WPIUTIL_TCPSOCKETS_NETWORKSTREAM_H_
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#include <cstddef>
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#include "llvm/StringRef.h"
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namespace wpi {
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class NetworkStream {
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public:
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NetworkStream() = default;
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virtual ~NetworkStream() = default;
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enum Error {
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kConnectionClosed = 0,
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kConnectionReset = -1,
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kConnectionTimedOut = -2,
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kWouldBlock = -3
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};
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virtual std::size_t send(const char* buffer, std::size_t len, Error* err) = 0;
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virtual std::size_t receive(char* buffer, std::size_t len, Error* err,
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int timeout = 0) = 0;
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virtual void close() = 0;
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virtual llvm::StringRef getPeerIP() const = 0;
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virtual int getPeerPort() const = 0;
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virtual void setNoDelay() = 0;
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// returns false on failure
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virtual bool setBlocking(bool enabled) = 0;
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virtual int getNativeHandle() const = 0;
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NetworkStream(const NetworkStream&) = delete;
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NetworkStream& operator=(const NetworkStream&) = delete;
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};
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} // namespace wpi
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#endif // WPIUTIL_TCPSOCKETS_NETWORKSTREAM_H_
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