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channels.h

00001 #ifndef CRYPTOPP_CHANNELS_H
00002 #define CRYPTOPP_CHANNELS_H
00003 
00004 #include "simple.h"
00005 #include "smartptr.h"
00006 #include <map>
00007 #include <list>
00008 
00009 NAMESPACE_BEGIN(CryptoPP)
00010 
00011 #if 0
00012 //! Route input on default channel to different and/or multiple channels based on message sequence number
00013 class MessageSwitch : public Sink
00014 {
00015 public:
00016         void AddDefaultRoute(BufferedTransformation &destination, const std::string &channel);
00017         void AddRoute(unsigned int begin, unsigned int end, BufferedTransformation &destination, const std::string &channel);
00018 
00019         void Put(byte inByte);
00020         void Put(const byte *inString, unsigned int length);
00021 
00022         void Flush(bool completeFlush, int propagation=-1);
00023         void MessageEnd(int propagation=-1);
00024         void PutMessageEnd(const byte *inString, unsigned int length, int propagation=-1);
00025         void MessageSeriesEnd(int propagation=-1);
00026 
00027 private:
00028         typedef std::pair<BufferedTransformation *, std::string> Route;
00029         struct RangeRoute
00030         {
00031                 RangeRoute(unsigned int begin, unsigned int end, const Route &route)
00032                         : begin(begin), end(end), route(route) {}
00033                 bool operator<(const RangeRoute &rhs) const {return begin < rhs.begin;}
00034                 unsigned int begin, end;
00035                 Route route;
00036         };
00037 
00038         typedef std::list<RangeRoute> RouteList;
00039         typedef std::list<Route> DefaultRouteList;
00040 
00041         RouteList m_routes;
00042         DefaultRouteList m_defaultRoutes;
00043         unsigned int m_nCurrentMessage;
00044 };
00045 #endif
00046 
00047 //! Route input to different and/or multiple channels based on channel ID
00048 class ChannelSwitch : public Multichannel<Sink>
00049 {
00050 public:
00051         ChannelSwitch() {}
00052         ChannelSwitch(BufferedTransformation &destination)
00053         {
00054                 AddDefaultRoute(destination);
00055         }
00056         ChannelSwitch(BufferedTransformation &destination, const std::string &outChannel)
00057         {
00058                 AddDefaultRoute(destination, outChannel);
00059         }
00060 
00061         unsigned int ChannelPut2(const std::string &channel, const byte *begin, unsigned int length, int messageEnd, bool blocking);
00062         unsigned int ChannelPutModifiable2(const std::string &channel, byte *begin, unsigned int length, int messageEnd, bool blocking);
00063 
00064         void ChannelInitialize(const std::string &channel, const NameValuePairs &parameters=g_nullNameValuePairs, int propagation=-1);
00065         bool ChannelFlush(const std::string &channel, bool completeFlush, int propagation=-1, bool blocking=true);
00066         bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true);
00067 
00068         byte * ChannelCreatePutSpace(const std::string &channel, unsigned int &size);
00069         
00070         void AddDefaultRoute(BufferedTransformation &destination);
00071         void RemoveDefaultRoute(BufferedTransformation &destination);
00072         void AddDefaultRoute(BufferedTransformation &destination, const std::string &outChannel);
00073         void RemoveDefaultRoute(BufferedTransformation &destination, const std::string &outChannel);
00074         void AddRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel);
00075         void RemoveRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel);
00076 
00077 private:
00078         typedef std::pair<BufferedTransformation *, std::string> Route;
00079         typedef std::multimap<std::string, Route> RouteMap;
00080         RouteMap m_routeMap;
00081 
00082         typedef std::pair<BufferedTransformation *, value_ptr<std::string> > DefaultRoute;
00083         typedef std::list<DefaultRoute> DefaultRouteList;
00084         DefaultRouteList m_defaultRoutes;
00085 
00086         friend class ChannelRouteIterator;
00087 };
00088 
00089 NAMESPACE_END
00090 
00091 #endif

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