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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 CRYPTOPP_DLL 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