sipmethod.cxx

SIP（Session Initiation Protocol）是由IETF定义

/* ====================================================================
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 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
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static const char* const SipMethod_cxx_Version =
    "$Id: SipMethod.cxx,v 1.6 2002/03/19 21:39:55 jason Exp $";

#include "global.h"
#include "SipMethod.hxx"
#include <cassert>

using namespace Vocal;


Data 
Vocal::methodToData(Method method)
{
    Data data;

    switch (method)
    {
    case SIP_INVITE :
        data = INVITE_METHOD;
        break;
    case SIP_CANCEL:
        data = CANCEL_METHOD;
        break;
    case SIP_ACK:
        data = ACK_METHOD;
        break;
    case SIP_BYE:
        data = BYE_METHOD;
        break;
    case SIP_REGISTER:
        data = REGISTER_METHOD;
        break;
    case SIP_OPTIONS:
        data = OPTIONS_METHOD;
        break;
    case SIP_INFO:
        data = INFO_METHOD;
        break;
    // TODO: remove case for TRANSFER (deprecated)
    case SIP_TRANSFER:
        data = TRANSFER_METHOD;
        break;
    case SIP_REFER:
        data = REFER_METHOD;
        break;
    case SIP_SUBSCRIBE:
        data = SUBSCRIBE_METHOD;
        break;
    case SIP_NOTIFY:
        data = NOTIFY_METHOD;
        break;
    case SIP_MESSAGE:
        data = MESSAGE_METHOD;
        break;
    default:
        assert(0);
        break;
    }
    return data;
}


Method 
Vocal::dataToMethod(Data data)
{
    Method type = SIP_UNKNOWN;

    if (data == INVITE_METHOD)
    {
	type = SIP_INVITE;
    }
    else if (data == CANCEL_METHOD)
    {
	type = SIP_CANCEL;
    }
     else if (data == REFER_METHOD)
    {
	type = SIP_REFER;
    }
    else if (data == ACK_METHOD)
    {
	type = SIP_ACK;
    }
    else if (data == BYE_METHOD)
    {
	type = SIP_BYE;
    }
    else if (data == INFO_METHOD)
    {
	type = SIP_INFO;
    }
    else if (data == OPTIONS_METHOD)
    {
	type = SIP_OPTIONS;
    }
    else if (data == REGISTER_METHOD)
    {
	type = SIP_REGISTER;
    }
#if 0
    // TODO: remove case for TRANSFER (deprecated)
    else if (data == TRANSFER_METHOD)
    {
        type = SIP_TRANSFER;
    }
#endif
    else if (data == SUBSCRIBE_METHOD)
    {
	type = SIP_SUBSCRIBE;
    }
    else if (data == NOTIFY_METHOD)
    {
	type = SIP_NOTIFY;
    }
    else if (data == "SIP/2.0")
    {
        type = SIP_STATUS;
    }
    else if (data == MESSAGE_METHOD)
    {
        type = SIP_MESSAGE;
    }
    
    return type;
}
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