#if defined(HAVE_CONFIG_H)

#include "config.h"

#endif

#include "resip/stack/Via.hxx"

#include "resip/stack/InteropHelper.hxx"

#include "rutil/DnsUtil.hxx"

#include "rutil/Logger.hxx"

#include "rutil/ParseBuffer.hxx"

//#include "rutil/WinLeakCheck.hxx"  // not compatible with placement new used below

using namespace resip;

using namespace std;

#define RESIPROCATE_SUBSYSTEM Subsystem::SIP

//====================

// Via:

//====================

Via::Via() 

   : ParserCategory(), 

     mProtocolName(Data::Share,Symbols::ProtocolName),

     mProtocolVersion(Data::Share,Symbols::ProtocolVersion),

     mTransport(),

     mSentHost(),

     mSentPort(0) 

{

   // insert a branch in all Vias (default constructor)

   this->param(p_branch);

   if(InteropHelper::getRportEnabled())

   {

      this->param(p_rport); // add the rport parameter by default as per rfc 3581

   }

}

Via::Via(const HeaderFieldValue& hfv, 

         Headers::Type type,

         PoolBase* pool) 

   : ParserCategory(hfv, type, pool),

     mProtocolName(Data::Share,Symbols::ProtocolName),

     mProtocolVersion(Data::Share,Symbols::ProtocolVersion),

     mTransport(Data::Share,Symbols::UDP), // !jf! 

     mSentHost(),

     mSentPort(-1) 

{}

Via::Via(const Via& rhs,

         PoolBase* pool)

   : ParserCategory(rhs, pool),

     mProtocolName(rhs.mProtocolName),

     mProtocolVersion(rhs.mProtocolVersion),

     mTransport(rhs.mTransport),

     mSentHost(rhs.mSentHost),

     mSentPort(rhs.mSentPort)

{

}

Via&

Via::operator=(const Via& rhs)

{

   if (this != &rhs)

   {

      ParserCategory::operator=(rhs);

      mProtocolName = rhs.mProtocolName;

      mProtocolVersion = rhs.mProtocolVersion;

      mTransport = rhs.mTransport;

      mSentHost = rhs.mSentHost;

      mSentPort = rhs.mSentPort;

   }

   return *this;

}

ParserCategory *

Via::clone() const

{

   return new Via(*this);

}

ParserCategory *

Via::clone(void* location) const

{

   return new (location) Via(*this);

}

ParserCategory* 

Via::clone(PoolBase* pool) const

{

   return new (pool) Via(*this, pool);

}

Data& 

Via::protocolName()

{

   checkParsed(); 

   return mProtocolName;

}

const Data& 

Via::protocolName() const 

{

   checkParsed(); 

   return mProtocolName;

}

Data& 

Via::protocolVersion()

{

   checkParsed(); 

   return mProtocolVersion;

}

const Data& 

Via::protocolVersion() const 

{

   checkParsed(); 

   return mProtocolVersion;

}

Data& Via::

transport()

{

   checkParsed(); 

   return mTransport;

}

const Data& Via::

transport() const 

{

   checkParsed(); 

   return mTransport;

}

Data& 

Via::sentHost()

{

   checkParsed(); 

   return mSentHost;

}

const Data&

 Via::sentHost() const

{

   checkParsed(); 

   return mSentHost;

}

int& 

Via::sentPort()

{

   checkParsed(); 

   return mSentPort;

}

int

Via::sentPort() const 

{

   checkParsed(); 

   return mSentPort;

}

void

Via::parse(ParseBuffer& pb)

{

   const char* startMark;

   startMark = pb.skipWhitespace();

   static std::bitset<256> wos=Data::toBitset("\r\n\t /");

   pb.skipToOneOf(wos);

   pb.data(mProtocolName, startMark);

   pb.skipToChar('/');

   pb.skipChar();

   startMark = pb.skipWhitespace();

   pb.skipToOneOf(wos);

   pb.data(mProtocolVersion, startMark);

   pb.skipToChar('/');

   pb.skipChar();

   startMark = pb.skipWhitespace();

   // !jf! this should really be skipTokenChar() since for instance, if the

   // protocol token is missing it will read the rest of the Via into this field

   pb.skipNonWhitespace(); 

   pb.data(mTransport, startMark);

   startMark = pb.skipWhitespace();

   pb.assertNotEof();

   if (*startMark == '[')

   {

      startMark = pb.skipChar();

      pb.skipToChar(']');

      pb.data(mSentHost, startMark);

      // .bwc. We do not save this canonicalization, since we weren't doing so

      // before. This may change soon.

      Data canonicalizedHost=DnsUtil::canonicalizeIpV6Address(mSentHost);

      if(canonicalizedHost.empty())

      {

         // .bwc. So the V6 addy is garbage.

         throw ParseException("Unparsable V6 address (note, this might"

                                    " be unparsable because IPV6 support is not"

                                    " enabled)", "Via",

                                       __FILE__,

                                       __LINE__);

      }

      pb.skipChar();

   }

   else

   {

      // .bwc. If we hit whitespace, we have the host.

      static std::bitset<256> delimiter=Data::toBitset(";: \t\r\n");

      pb.skipToOneOf(delimiter);

      pb.data(mSentHost, startMark);

   }

   pb.skipToOneOf(";:");

   if (!pb.eof() && *pb.position() == ':')

   {

      startMark = pb.skipChar(':');

      mSentPort = pb.integer();

      static std::bitset<256> delimiter=Data::toBitset("; \t\r\n");

      pb.skipToOneOf(delimiter);

   }

   else

   {

      mSentPort = 0;

   }

   parseParameters(pb);

}

EncodeStream&

Via::encodeParsed(EncodeStream& str) const

{

   str << mProtocolName << Symbols::SLASH << mProtocolVersion << Symbols::SLASH << mTransport 

       << Symbols::SPACE;

   if (DnsUtil::isIpV6Address(mSentHost))

   {

      str << '[' << mSentHost << ']';

   }

   else

   {

      str << mSentHost;

   }

   if (mSentPort != 0)

   {

      str << Symbols::COLON << mSentPort;

   }

   encodeParameters(str);

   return str;

}

ParameterTypes::Factory Via::ParameterFactories[ParameterTypes::MAX_PARAMETER]={0};

Parameter* 

Via::createParam(ParameterTypes::Type type, ParseBuffer& pb, const std::bitset<256>& terminators, PoolBase* pool)

{

   if(type > ParameterTypes::UNKNOWN && type < ParameterTypes::MAX_PARAMETER && ParameterFactories[type])

   {

      return ParameterFactories[type](type, pb, terminators, pool);

   }

   return 0;

}

bool 

Via::exists(const Param<Via>& paramType) const

{

    checkParsed();

    bool ret = getParameterByEnum(paramType.getTypeNum()) != NULL;

    return ret;

}

void 

Via::remove(const Param<Via>& paramType)

{

    checkParsed();

    removeParameterByEnum(paramType.getTypeNum());

}

#define defineParam(_enum, _name, _type, _RFC_ref_ignored)                                                      \

_enum##_Param::DType&                                                                                           \

Via::param(const _enum##_Param& paramType)                                                           \

{                                                                                                               \

   checkParsed();                                                                                               \

   _enum##_Param::Type* p =                                                                                     \

      static_cast<_enum##_Param::Type*>(getParameterByEnum(paramType.getTypeNum()));                            \

   if (!p)                                                                                                      \

   {                                                                                                            \

      p = new _enum##_Param::Type(paramType.getTypeNum());                                                      \

      mParameters.push_back(p);                                                                                 \

   }                                                                                                            \

   return p->value();                                                                                           \

}                                                                                                               \

Unexecuted instantiation: resip::Via::param(resip::branch_Param const&)

Unexecuted instantiation: resip::Via::param(resip::comp_Param const&)

Unexecuted instantiation: resip::Via::param(resip::received_Param const&)

Unexecuted instantiation: resip::Via::param(resip::rport_Param const&)

Unexecuted instantiation: resip::Via::param(resip::ttl_Param const&)

Unexecuted instantiation: resip::Via::param(resip::sigcompId_Param const&)

Unexecuted instantiation: resip::Via::param(resip::maddr_Param const&)

                                                                                                                \

const _enum##_Param::DType&                                                                                     \

Via::param(const _enum##_Param& paramType) const                                                     \

{                                                                                                               \

   checkParsed();                                                                                               \

   _enum##_Param::Type* p =                                                                                     \

      static_cast<_enum##_Param::Type*>(getParameterByEnum(paramType.getTypeNum()));                            \

   if (!p)                                                                                                      \

   {                                                                                                            \

      InfoLog(<< "Missing parameter " _name " " << ParameterTypes::ParameterNames[paramType.getTypeNum()]);     \

      DebugLog(<< *this);                                                                                       \

      throw Exception("Missing parameter " _name, __FILE__, __LINE__);                                          \

   }                                                                                                            \

   return p->value();                                                                                           \

}

Unexecuted instantiation: resip::Via::param(resip::branch_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::comp_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::received_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::rport_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::ttl_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::sigcompId_Param const&) const

Unexecuted instantiation: resip::Via::param(resip::maddr_Param const&) const

defineParam(branch, "branch", BranchParameter, "RFC 3261");

defineParam(comp, "comp", DataParameter, "RFC 3486");

defineParam(received, "received", ReceivedParameter, "RFC 3261");

defineParam(rport, "rport", RportParameter, "RFC 3581");

defineParam(ttl, "ttl", UInt32Parameter, "RFC 3261");

defineParam(sigcompId, "sigcomp-id", QuotedDataParameter, "RFC 5049");

defineParam(maddr, "maddr", DataParameter, "RFC 3261");

#undef defineParam

/* ====================================================================

 * The Vovida Software License, Version 1.0 

 * 

 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in

 *    the documentation and/or other materials provided with the

 *    distribution.

 * 

 * 3. The names "VOCAL", "Vovida Open Communication Application Library",

 *    and "Vovida Open Communication Application Library (VOCAL)" must

 *    not be used to endorse or promote products derived from this

 *    software without prior written permission. For written

 *    permission, please contact vocal@vovida.org.

 *

 * 4. Products derived from this software may not be called "VOCAL", nor

 *    may "VOCAL" appear in their name, without prior written

 *    permission of Vovida Networks, Inc.

 * 

 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND

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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH

 * DAMAGE.

 * 

 * ====================================================================

 * 

 * This software consists of voluntary contributions made by Vovida

 * Networks, Inc. and many individuals on behalf of Vovida Networks,

 * Inc.  For more information on Vovida Networks, Inc., please see

 * <http://www.vovida.org/>.

 *

 */