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author | Jeffrey Walton <noloader@gmail.com> | 2015-11-05 01:59:46 -0500 |
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committer | Jeffrey Walton <noloader@gmail.com> | 2015-11-05 01:59:46 -0500 |
commit | 48809d4e85c125814425c621d8d0d89f95405924 (patch) | |
tree | 1010fd16c4b1199f3d27dd726dda241a2bd29f83 /mqueue.h | |
parent | 025337a94aceb75d188149db70c2094673772816 (diff) | |
download | cryptopp-git-48809d4e85c125814425c621d8d0d89f95405924.tar.gz |
CRYPTOPP 5.6.3 RC6 checkin
Diffstat (limited to 'mqueue.h')
-rw-r--r-- | mqueue.h | 205 |
1 files changed, 105 insertions, 100 deletions
@@ -1,100 +1,105 @@ -#ifndef CRYPTOPP_MQUEUE_H -#define CRYPTOPP_MQUEUE_H - -#include "queue.h" -#include "filters.h" -#include <deque> - -NAMESPACE_BEGIN(CryptoPP) - -//! Message Queue -class CRYPTOPP_DLL MessageQueue : public AutoSignaling<BufferedTransformation> -{ -public: - MessageQueue(unsigned int nodeSize=256); - - void IsolatedInitialize(const NameValuePairs ¶meters) - {m_queue.IsolatedInitialize(parameters); m_lengths.assign(1, 0U); m_messageCounts.assign(1, 0U);} - size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) - { - m_queue.Put(begin, length); - m_lengths.back() += length; - if (messageEnd) - { - m_lengths.push_back(0); - m_messageCounts.back()++; - } - return 0; - } - bool IsolatedFlush(bool hardFlush, bool blocking) {return false;} - bool IsolatedMessageSeriesEnd(bool blocking) - {m_messageCounts.push_back(0); return false;} - - lword MaxRetrievable() const - {return m_lengths.front();} - bool AnyRetrievable() const - {return m_lengths.front() > 0;} - - size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); - size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; - - lword TotalBytesRetrievable() const - {return m_queue.MaxRetrievable();} - unsigned int NumberOfMessages() const - {return (unsigned int)m_lengths.size()-1;} - bool GetNextMessage(); - - unsigned int NumberOfMessagesInThisSeries() const - {return m_messageCounts[0];} - unsigned int NumberOfMessageSeries() const - {return (unsigned int)m_messageCounts.size()-1;} - - unsigned int CopyMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) const; - - const byte * Spy(size_t &contiguousSize) const; - - void swap(MessageQueue &rhs); - -private: - ByteQueue m_queue; - std::deque<lword> m_lengths; - std::deque<unsigned int> m_messageCounts; -}; - - -//! A filter that checks messages on two channels for equality -class CRYPTOPP_DLL EqualityComparisonFilter : public Unflushable<Multichannel<Filter> > -{ -public: - struct MismatchDetected : public Exception {MismatchDetected() : Exception(DATA_INTEGRITY_CHECK_FAILED, "EqualityComparisonFilter: did not receive the same data on two channels") {}}; - - /*! if throwIfNotEqual is false, this filter will output a '\\0' byte when it detects a mismatch, '\\1' otherwise */ - EqualityComparisonFilter(BufferedTransformation *attachment=NULL, bool throwIfNotEqual=true, const std::string &firstChannel="0", const std::string &secondChannel="1") - : m_throwIfNotEqual(throwIfNotEqual), m_mismatchDetected(false) - , m_firstChannel(firstChannel), m_secondChannel(secondChannel) - {Detach(attachment);} - - size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); - bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true); - -private: - unsigned int MapChannel(const std::string &channel) const; - bool HandleMismatchDetected(bool blocking); - - bool m_throwIfNotEqual, m_mismatchDetected; - std::string m_firstChannel, m_secondChannel; - MessageQueue m_q[2]; -}; - -NAMESPACE_END - -#ifndef __BORLANDC__ -NAMESPACE_BEGIN(std) -template<> inline void swap(CryptoPP::MessageQueue &a, CryptoPP::MessageQueue &b) -{ - a.swap(b); -} -NAMESPACE_END -#endif - -#endif +#ifndef CRYPTOPP_MQUEUE_H
+#define CRYPTOPP_MQUEUE_H
+
+#include "cryptlib.h"
+#include "queue.h"
+#include "filters.h"
+#include "misc.h"
+
+#include <deque>
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! Message Queue
+class CRYPTOPP_DLL MessageQueue : public AutoSignaling<BufferedTransformation>
+{
+public:
+ MessageQueue(unsigned int nodeSize=256);
+
+ void IsolatedInitialize(const NameValuePairs ¶meters)
+ {m_queue.IsolatedInitialize(parameters); m_lengths.assign(1, 0U); m_messageCounts.assign(1, 0U);}
+ size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking)
+ {
+ CRYPTOPP_UNUSED(blocking);
+ m_queue.Put(begin, length);
+ m_lengths.back() += length;
+ if (messageEnd)
+ {
+ m_lengths.push_back(0);
+ m_messageCounts.back()++;
+ }
+ return 0;
+ }
+ bool IsolatedFlush(bool hardFlush, bool blocking)
+ {CRYPTOPP_UNUSED(hardFlush), CRYPTOPP_UNUSED(blocking); return false;}
+ bool IsolatedMessageSeriesEnd(bool blocking)
+ {CRYPTOPP_UNUSED(blocking); m_messageCounts.push_back(0); return false;}
+
+ lword MaxRetrievable() const
+ {return m_lengths.front();}
+ bool AnyRetrievable() const
+ {return m_lengths.front() > 0;}
+
+ size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true);
+ size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const;
+
+ lword TotalBytesRetrievable() const
+ {return m_queue.MaxRetrievable();}
+ unsigned int NumberOfMessages() const
+ {return (unsigned int)m_lengths.size()-1;}
+ bool GetNextMessage();
+
+ unsigned int NumberOfMessagesInThisSeries() const
+ {return m_messageCounts[0];}
+ unsigned int NumberOfMessageSeries() const
+ {return (unsigned int)m_messageCounts.size()-1;}
+
+ unsigned int CopyMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) const;
+
+ const byte * Spy(size_t &contiguousSize) const;
+
+ void swap(MessageQueue &rhs);
+
+private:
+ ByteQueue m_queue;
+ std::deque<lword> m_lengths;
+ std::deque<unsigned int> m_messageCounts;
+};
+
+
+//! A filter that checks messages on two channels for equality
+class CRYPTOPP_DLL EqualityComparisonFilter : public Unflushable<Multichannel<Filter> >
+{
+public:
+ struct MismatchDetected : public Exception {MismatchDetected() : Exception(DATA_INTEGRITY_CHECK_FAILED, "EqualityComparisonFilter: did not receive the same data on two channels") {}};
+
+ /*! if throwIfNotEqual is false, this filter will output a '\\0' byte when it detects a mismatch, '\\1' otherwise */
+ EqualityComparisonFilter(BufferedTransformation *attachment=NULL, bool throwIfNotEqual=true, const std::string &firstChannel="0", const std::string &secondChannel="1")
+ : m_throwIfNotEqual(throwIfNotEqual), m_mismatchDetected(false)
+ , m_firstChannel(firstChannel), m_secondChannel(secondChannel)
+ {Detach(attachment);}
+
+ size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking);
+ bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true);
+
+private:
+ unsigned int MapChannel(const std::string &channel) const;
+ bool HandleMismatchDetected(bool blocking);
+
+ bool m_throwIfNotEqual, m_mismatchDetected;
+ std::string m_firstChannel, m_secondChannel;
+ MessageQueue m_q[2];
+};
+
+NAMESPACE_END
+
+#ifndef __BORLANDC__
+NAMESPACE_BEGIN(std)
+template<> inline void swap(CryptoPP::MessageQueue &a, CryptoPP::MessageQueue &b)
+{
+ a.swap(b);
+}
+NAMESPACE_END
+#endif
+
+#endif
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