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authormadmaxoft <github@xoft.cz>2014-01-22 22:26:40 +0100
committermadmaxoft <github@xoft.cz>2014-01-22 22:26:40 +0100
commit34f13d589a2ebbcae9230732c7a763b3cdd88b41 (patch)
tree4f7bad4f90ca8f7a896d83951804f0207082cafb /lib/cryptopp/network.h
parentReplacing CryptoPP with PolarSSL. (diff)
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Diffstat (limited to '')
-rw-r--r--lib/cryptopp/network.h235
1 files changed, 0 insertions, 235 deletions
diff --git a/lib/cryptopp/network.h b/lib/cryptopp/network.h
deleted file mode 100644
index 96cd4567e..000000000
--- a/lib/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 <deque>
-
-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<std::pair<double, lword> > 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<Source>, 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<NetworkSource *>(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<NetworkSink *>(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