interophelper.hxx

这是国外的resip协议栈

#ifndef INTEROP_HELPER_HXX
#define INTEROP_HELPER_HXX

namespace resip
{

/**
   This class is intended to encapsulate what version/s of various drafts are
   supported by the stack. This also allows for configurable version support at
   runtime.
*/
class InteropHelper
{
   public:
      static int getOutboundVersion() {return theOutboundVersion;}
      static void setOutboundVersion(int version) {theOutboundVersion=version;}
      static bool getOutboundSupported() {return isOutboundSupported;}
      static void setOutboundSupported(bool supported) {isOutboundSupported=supported;}
      
      // .bwc. If this is enabled, we will record-route with flow tokens 
      // whenever possible. This will make things work with endpoints that don't
      // use NAT traversal tricks. However, this will break several things:
      // 1) Target-refreshes won't work.
      // 2) Proxies that do not record-route may be implicitly included in the
      //    route-set by this proxy, because a flow token may point to them.
      // 3) Third-party registrations won't work.
      static bool getRRTokenHackEnabled(){return useRRTokenHack;}
      static void setRRTokenHackEnabled(bool enabled) {useRRTokenHack=enabled;}
      
   private:
      InteropHelper();
      ~InteropHelper();
      
      static int theOutboundVersion;
      static bool isOutboundSupported;
      static bool useRRTokenHack;
};
}

#endif

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