/// <summary>
/// Invite请求消息
/// </summary>
/// <param name="localEP"></param>
/// <param name="remoteEP"></param>
/// <param name="request"></param>
private void InviteHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request)
{
_byeRemoteEP = remoteEP;
int[] port = SetMediaPort();
var trying = GetResponse(localEP, remoteEP, SIPResponseStatusCodesEnum.Trying, "", request);
_transport.SendResponse(trying);
//Thread.Sleep(200);
SIPResponse audioOK = GetResponse(localEP, remoteEP, SIPResponseStatusCodesEnum.Ok, "", request);
audioOK.Header.ContentType = "application/sdp";
SIPURI localUri = new SIPURI(LocalSIPId, LocalEP.ToHost(), "");
SIPContactHeader contact = new SIPContactHeader(null, localUri);
audioOK.Header.Contact = new List <SIPContactHeader>
{
contact
};
//SDP
audioOK.Body = SetMediaAudio(localEP.Address.ToString(), port[0], request.URI.User);
_audioResponse = audioOK;
_transport.SendResponse(audioOK);
int recvPort = GetReceivePort(request.Body, SDPMediaTypesEnum.audio);
string ip = GetReceiveIP(request.Body);
_audioRemoteEP = new IPEndPoint(IPAddress.Parse(ip), recvPort);
if (_audioChannel == null)
{
_audioChannel = new UDPChannel(TcpConnectMode.active, IPAddress.Any, port, ProtocolType.Udp, false, recvPort);
}
_audioChannel.Start();
}
/// <summary>
/// 目录订阅请求
/// </summary>
/// <returns></returns>
private SIPRequest SubscribeCatalog(SIPEndPoint remoteEndPoint, string remoteSIPId)
{
string fromTag = CallProperties.CreateNewTag();
int cSeq = CallProperties.CreateNewCSeq();
string callId = CallProperties.CreateNewCallId();
SIPURI remoteUri = new SIPURI(remoteSIPId, remoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(LocalSIPId, LocalEP.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest catalogReq = _transport.GetRequest(SIPMethodsEnum.SUBSCRIBE, remoteUri);
catalogReq.Header.From = from;
catalogReq.Header.Contact = new List <SIPContactHeader>
{
new SIPContactHeader(null, localUri)
};
catalogReq.Header.Allow = null;
catalogReq.Header.To = to;
catalogReq.Header.UserAgent = SIPConstants.SIP_USERAGENT_STRING;
catalogReq.Header.Event = "Catalog";//"presence";//"Catalog;id=1894";
catalogReq.Header.Expires = 60000;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";//"Application/MANSCDP+xml"
return(catalogReq);
}
public void Start()
{
_serviceState = ServiceStatus.Wait;
LocalEP = SIPEndPoint.ParseSIPEndPoint(_LocalSipAccount.MsgProtocol + ":" + _LocalSipAccount.LocalIP.ToString() + ":" + _LocalSipAccount.LocalPort);
LocalSIPId = _LocalSipAccount.LocalID;
try
{
logger.Debug("SIPMessageCore is runing at " + LocalEP.ToString());
var sipChannels = SIPTransportConfig.ParseSIPChannelsNode(_LocalSipAccount);
_transport.PerformanceMonitorPrefix = SIPSorceryPerformanceMonitor.REGISTRAR_PREFIX;
_transport.MsgEncode = _LocalSipAccount.MsgEncode;
_transport.AddSIPChannel(sipChannels);
}
catch (Exception excp)
{
logger.Error("Exception Start: " + excp.Message);
}
}
public void ByeVideoReq()
{
if (_audioChannel == null)
{
return;
}
_audioChannel.Stop();
_audioChannel = null;
SIPURI localUri = new SIPURI(_LocalSipAccount.SIPPassword, LocalEP.ToHost(), "");
SIPURI remoteUri = new SIPURI(_ackRequest.Header.From.FromURI.User, _byeRemoteEP.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, _ackRequest.Header.To.ToTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, _ackRequest.Header.From.FromTag);
SIPRequest byeReq = new SIPRequest(SIPMethodsEnum.BYE, localUri);
SIPHeader header = new SIPHeader(from, to, _ackRequest.Header.CSeq + 1, _ackRequest.Header.CallId)
{
CSeqMethod = SIPMethodsEnum.BYE
};
SIPViaHeader viaHeader = new SIPViaHeader(LocalEP, CallProperties.CreateBranchId())
{
Branch = CallProperties.CreateBranchId(),
Transport = SIPProtocolsEnum.udp
};
SIPViaSet viaSet = new SIPViaSet
{
Via = new List <SIPViaHeader>()
};
viaSet.Via.Add(viaHeader);
header.Vias = viaSet;
header.UserAgent = SIPConstants.SIP_USERAGENT_STRING;
header.Contact = _ackRequest.Header.Contact;
byeReq.Header = header;
SendRequest(_byeRemoteEP, byeReq);
}
/// <summary>
/// 查询设备目录请求
/// </summary>
/// <returns></returns>
private SIPRequest QueryItems(SIPEndPoint remoteEndPoint, string remoteSIPId)
{
string fromTag = CallProperties.CreateNewTag();
string toTag = CallProperties.CreateNewTag();
int cSeq = CallProperties.CreateNewCSeq();
string callId = CallProperties.CreateNewCallId();
SIPURI remoteUri = new SIPURI(remoteSIPId, remoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(LocalSIPId, LocalEP.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest catalogReq = _transport.GetRequest(SIPMethodsEnum.MESSAGE, remoteUri);
catalogReq.Header.From = from;
catalogReq.Header.Contact = null;
catalogReq.Header.Allow = null;
catalogReq.Header.To = to;
catalogReq.Header.UserAgent = SIPConstants.SIP_USERAGENT_STRING;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";
return(catalogReq);
}