From 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:21:13 +0000 Subject: move cryptopp into lib --- CryptoPP/network.h | 235 ----------------------------------------------------- 1 file changed, 235 deletions(-) delete mode 100644 CryptoPP/network.h (limited to 'CryptoPP/network.h') diff --git a/CryptoPP/network.h b/CryptoPP/network.h deleted file mode 100644 index 96cd4567e..000000000 --- a/CryptoPP/network.h +++ /dev/null @@ -1,235 +0,0 @@ -#ifndef CRYPTOPP_NETWORK_H -#define CRYPTOPP_NETWORK_H - -#include "config.h" - -#ifdef HIGHRES_TIMER_AVAILABLE - -#include "filters.h" -#include "hrtimer.h" - -#include - -NAMESPACE_BEGIN(CryptoPP) - -class LimitedBandwidth -{ -public: - LimitedBandwidth(lword maxBytesPerSecond = 0) - : m_maxBytesPerSecond(maxBytesPerSecond), m_timer(Timer::MILLISECONDS) - , m_nextTransceiveTime(0) - { m_timer.StartTimer(); } - - lword GetMaxBytesPerSecond() const - { return m_maxBytesPerSecond; } - - void SetMaxBytesPerSecond(lword v) - { m_maxBytesPerSecond = v; } - - lword ComputeCurrentTransceiveLimit(); - - double TimeToNextTransceive(); - - void NoteTransceive(lword size); - -public: - /*! GetWaitObjects() must be called despite the 0 return from GetMaxWaitObjectCount(); - the 0 is because the ScheduleEvent() method is used instead of adding a wait object */ - unsigned int GetMaxWaitObjectCount() const { return 0; } - void GetWaitObjects(WaitObjectContainer &container, const CallStack &callStack); - -private: - lword m_maxBytesPerSecond; - - typedef std::deque > OpQueue; - OpQueue m_ops; - - Timer m_timer; - double m_nextTransceiveTime; - - void ComputeNextTransceiveTime(); - double GetCurTimeAndCleanUp(); -}; - -//! a Source class that can pump from a device for a specified amount of time. -class CRYPTOPP_NO_VTABLE NonblockingSource : public AutoSignaling, public LimitedBandwidth -{ -public: - NonblockingSource(BufferedTransformation *attachment) - : m_messageEndSent(false) , m_doPumpBlocked(false), m_blockedBySpeedLimit(false) {Detach(attachment);} - - //! \name NONBLOCKING SOURCE - //@{ - - //! pump up to maxSize bytes using at most maxTime milliseconds - /*! If checkDelimiter is true, pump up to delimiter, which itself is not extracted or pumped. */ - size_t GeneralPump2(lword &byteCount, bool blockingOutput=true, unsigned long maxTime=INFINITE_TIME, bool checkDelimiter=false, byte delimiter='\n'); - - lword GeneralPump(lword maxSize=LWORD_MAX, unsigned long maxTime=INFINITE_TIME, bool checkDelimiter=false, byte delimiter='\n') - { - GeneralPump2(maxSize, true, maxTime, checkDelimiter, delimiter); - return maxSize; - } - lword TimedPump(unsigned long maxTime) - {return GeneralPump(LWORD_MAX, maxTime);} - lword PumpLine(byte delimiter='\n', lword maxSize=1024) - {return GeneralPump(maxSize, INFINITE_TIME, true, delimiter);} - - size_t Pump2(lword &byteCount, bool blocking=true) - {return GeneralPump2(byteCount, blocking, blocking ? INFINITE_TIME : 0);} - size_t PumpMessages2(unsigned int &messageCount, bool blocking=true); - //@} - -protected: - virtual size_t DoPump(lword &byteCount, bool blockingOutput, - unsigned long maxTime, bool checkDelimiter, byte delimiter) =0; - - bool BlockedBySpeedLimit() const { return m_blockedBySpeedLimit; } - -private: - bool m_messageEndSent, m_doPumpBlocked, m_blockedBySpeedLimit; -}; - -//! Network Receiver -class CRYPTOPP_NO_VTABLE NetworkReceiver : public Waitable -{ -public: - virtual bool MustWaitToReceive() {return false;} - virtual bool MustWaitForResult() {return false;} - //! receive data from network source, returns whether result is immediately available - virtual bool Receive(byte* buf, size_t bufLen) =0; - virtual unsigned int GetReceiveResult() =0; - virtual bool EofReceived() const =0; -}; - -class CRYPTOPP_NO_VTABLE NonblockingSinkInfo -{ -public: - virtual ~NonblockingSinkInfo() {} - virtual size_t GetMaxBufferSize() const =0; - virtual size_t GetCurrentBufferSize() const =0; - virtual bool EofPending() const =0; - //! compute the current speed of this sink in bytes per second - virtual float ComputeCurrentSpeed() =0; - //! get the maximum observed speed of this sink in bytes per second - virtual float GetMaxObservedSpeed() const =0; -}; - -//! a Sink class that queues input and can flush to a device for a specified amount of time. -class CRYPTOPP_NO_VTABLE NonblockingSink : public Sink, public NonblockingSinkInfo, public LimitedBandwidth -{ -public: - NonblockingSink() : m_blockedBySpeedLimit(false) {} - - bool IsolatedFlush(bool hardFlush, bool blocking); - - //! flush to device for no more than maxTime milliseconds - /*! This function will repeatedly attempt to flush data to some device, until - the queue is empty, or a total of maxTime milliseconds have elapsed. - If maxTime == 0, at least one attempt will be made to flush some data, but - it is likely that not all queued data will be flushed, even if the device - is ready to receive more data without waiting. If you want to flush as much data - as possible without waiting for the device, call this function in a loop. - For example: while (sink.TimedFlush(0) > 0) {} - \return number of bytes flushed - */ - lword TimedFlush(unsigned long maxTime, size_t targetSize = 0); - - virtual void SetMaxBufferSize(size_t maxBufferSize) =0; - //! set a bound which will cause sink to flush if exceeded by GetCurrentBufferSize() - virtual void SetAutoFlushBound(size_t bound) =0; - -protected: - virtual lword DoFlush(unsigned long maxTime, size_t targetSize) = 0; - - bool BlockedBySpeedLimit() const { return m_blockedBySpeedLimit; } - -private: - bool m_blockedBySpeedLimit; -}; - -//! Network Sender -class CRYPTOPP_NO_VTABLE NetworkSender : public Waitable -{ -public: - virtual bool MustWaitToSend() {return false;} - virtual bool MustWaitForResult() {return false;} - virtual void Send(const byte* buf, size_t bufLen) =0; - virtual unsigned int GetSendResult() =0; - virtual bool MustWaitForEof() {return false;} - virtual void SendEof() =0; - virtual bool EofSent() {return false;} // implement if MustWaitForEof() == true -}; - -//! Network Source -class CRYPTOPP_NO_VTABLE NetworkSource : public NonblockingSource -{ -public: - NetworkSource(BufferedTransformation *attachment); - - unsigned int GetMaxWaitObjectCount() const; - void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); - - bool SourceExhausted() const {return m_dataBegin == m_dataEnd && GetReceiver().EofReceived();} - -protected: - size_t DoPump(lword &byteCount, bool blockingOutput, unsigned long maxTime, bool checkDelimiter, byte delimiter); - - virtual NetworkReceiver & AccessReceiver() =0; - const NetworkReceiver & GetReceiver() const {return const_cast(this)->AccessReceiver();} - -private: - SecByteBlock m_buf; - size_t m_putSize, m_dataBegin, m_dataEnd; - bool m_waitingForResult, m_outputBlocked; -}; - -//! Network Sink -class CRYPTOPP_NO_VTABLE NetworkSink : public NonblockingSink -{ -public: - NetworkSink(unsigned int maxBufferSize, unsigned int autoFlushBound); - - unsigned int GetMaxWaitObjectCount() const; - void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); - - size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking); - - void SetMaxBufferSize(size_t maxBufferSize) {m_maxBufferSize = maxBufferSize; m_buffer.SetNodeSize(UnsignedMin(maxBufferSize, 16U*1024U+256U));} - void SetAutoFlushBound(size_t bound) {m_autoFlushBound = bound;} - - size_t GetMaxBufferSize() const {return m_maxBufferSize;} - size_t GetCurrentBufferSize() const {return (size_t)m_buffer.CurrentSize();} - - void ClearBuffer() { m_buffer.Clear(); } - - bool EofPending() const { return m_eofState > EOF_NONE && m_eofState < EOF_DONE; } - - //! compute the current speed of this sink in bytes per second - float ComputeCurrentSpeed(); - //! get the maximum observed speed of this sink in bytes per second - float GetMaxObservedSpeed() const; - -protected: - lword DoFlush(unsigned long maxTime, size_t targetSize); - - virtual NetworkSender & AccessSender() =0; - const NetworkSender & GetSender() const {return const_cast(this)->AccessSender();} - -private: - enum EofState { EOF_NONE, EOF_PENDING_SEND, EOF_PENDING_DELIVERY, EOF_DONE }; - - size_t m_maxBufferSize, m_autoFlushBound; - bool m_needSendResult, m_wasBlocked; - EofState m_eofState; - ByteQueue m_buffer; - size_t m_skipBytes; - Timer m_speedTimer; - float m_byteCountSinceLastTimerReset, m_currentSpeed, m_maxObservedSpeed; -}; - -NAMESPACE_END - -#endif // #ifdef HIGHRES_TIMER_AVAILABLE - -#endif -- cgit v1.2.3