/// <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>();
audioOK.Header.Contact.Add(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>
/// 注册消息处理
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
private void RegisterHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request)
{
OnSIPServiceChange(remoteEP.ToHost(), ServiceStatus.Complete);
lock (_remoteTransEPs)
{
if (!_remoteTransEPs.ContainsKey(remoteEP.ToHost()))
{
_remoteTransEPs.Add(remoteEP.ToHost(), request.Header.From.FromURI.User);
}
}
_registrarCore.AddRegisterRequest(localEP, remoteEP, request);
}
/// <summary>
/// 目录查询响应消息处理
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
/// <param name="catalog">目录结构体</param>
private void CatalogHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request, Catalog catalog)
{
try
{
catalog.DeviceList.Items.FindAll(item => item != null).ForEach(catalogItem =>
{
catalogItem.RemoteEP = remoteEP.ToHost();
var devCata = DevType.GetCataType(catalogItem.DeviceID);
//logger.Debug("CatalogHandle: DevCataType=" + devCata);
if (devCata == DevCataType.Device)
{
if (!_nodeMonitorService.ContainsKey(catalogItem.DeviceID))
{
//remoteEP.Port = _LocalSipAccount.RemotePort;
_nodeMonitorService.TryAdd(catalogItem.DeviceID, new SIPMonitorCore(this, _transport, _sipAccountStorage)
{
RemoteEndPoint = remoteEP,
DeviceId = catalogItem.DeviceID
});
logger.Debug("CatalogHandle: nodeMonitorService.Count=" + _nodeMonitorService.Count);
logger.Debug("CatalogHandle: nodeMonitorService.TryAdd DeviceId=" + catalogItem.DeviceID);
}
}
// CommandType cmdType = i == 0 ? CommandType.Play : CommandType.Playback;
});
OnCatalogReceived?.Invoke(catalog);
}
catch (Exception ex)
{
logger.Warn("CatalogHandle Exception: " + ex.Message);
}
}
/// <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);
}
/// <summary>
/// 前端设备信息请求
/// </summary>
/// <param name="cameraId"></param>
/// <returns></returns>
private SIPRequest DeviceReq(string cameraId)
{
SIPURI remoteUri = new SIPURI(cameraId, _remoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(_sipAccount.LocalSipId, _localEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, CallProperties.CreateNewTag());
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest queryReq = _m_sipTransport.GetRequest(SIPMethodsEnum.DO, remoteUri);
queryReq.Header.Contact = null;
queryReq.Header.From = from;
queryReq.Header.Allow = null;
queryReq.Header.To = to;
queryReq.Header.CSeq = CallProperties.CreateNewCSeq();
queryReq.Header.CallId = CallProperties.CreateNewCallId();
queryReq.Header.ContentType = "Application/DDCP";
return(queryReq);
}
private SIPRequest ByeRequest()
{
SIPURI uri = new SIPURI(_cameraId, _remoteEndPoint.ToHost(), "");
SIPRequest byeRequest = _m_sipTransport.GetRequest(SIPMethodsEnum.BYE, uri);
SIPFromHeader from = new SIPFromHeader(null, _sipRequest.URI, _realReqSession.Header.From.FromTag);
SIPHeader header = new SIPHeader(from, byeRequest.Header.To, _realReqSession.Header.CSeq, _realReqSession.Header.CallId);
header.ContentType = "application/DDCP";
header.Expires = byeRequest.Header.Expires;
header.CSeqMethod = byeRequest.Header.CSeqMethod;
header.Vias = byeRequest.Header.Vias;
header.MaxForwards = byeRequest.Header.MaxForwards;
header.UserAgent = _userAgent;
byeRequest.Header.From = from;
byeRequest.Header = header;
return(byeRequest);
}
/// <summary>
/// 发送sip请求消息
/// </summary>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
public void SendRequest(SIPEndPoint remoteEP, SIPRequest request)
{
if (_serviceState == ServiceStatus.Wait)
{
OnSIPServiceChange(remoteEP.ToHost(), ServiceStatus.Wait);
return;
}
_transport.SendRequest(remoteEP, request);
}
/// <summary>
/// 心跳消息处理
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
/// <param name="keepAlive">心跳结构体</param>
private void KeepaliveHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request, KeepAlive keepAlive)
{
//SendResponse(localEP, remoteEP, request);
OnSIPServiceChange(remoteEP.ToHost(), ServiceStatus.Complete);
lock (_remoteTransEPs)
{
if (!_remoteTransEPs.ContainsKey(remoteEP.ToHost()))
{
_remoteTransEPs.Add(remoteEP.ToHost(), request.Header.From.FromURI.User);
}
}
//if (!_subscribe)
//{
// DeviceCatalogSubscribe(remoteEP, request.Header.From.FromURI.User);
//}
OnKeepaliveReceived?.Invoke(remoteEP, keepAlive, request.Header.From.FromURI.User);
// _subscribe = true;
logger.Debug("KeepAlive:" + remoteEP.ToHost() + "=====DevID:" + keepAlive.DeviceID + "=====Status:" + keepAlive.Status + "=====SN:" + keepAlive.SN);
}
/// <summary>
/// 发送sip响应消息
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
private void SendResponse(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request)
{
if (_serviceState == ServiceStatus.Wait)
{
OnSIPServiceChange(remoteEP.ToHost(), ServiceStatus.Wait);
return;
}
SIPResponse res = GetResponse(localEP, remoteEP, SIPResponseStatusCodesEnum.Ok, "", request);
_transport.SendResponse(res);
}
/// <summary>
/// 发送可靠的sip请求消息
/// </summary>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求消息</param>
public void SendReliableRequest(SIPEndPoint remoteEP, SIPRequest request)
{
if (_serviceState == ServiceStatus.Wait)
{
OnSIPServiceChange(remoteEP.ToHost(), ServiceStatus.Wait);
return;
}
var transaction = _transport.CreateUASTransaction(request, remoteEP, LocalEP, null);
transaction.TransactionStateChanged += Trans_TransactionStateChanged;
transaction.SendReliableRequest();
}
/// <summary>
/// 确认接收视频请求
/// </summary>
/// <param name="response">响应消息</param>
/// <returns></returns>
public void AckRequest(SIPResponse response)
{
_rtpChannel = new RTPChannel(_remoteEndPoint.GetIPEndPoint(), _mediaPort[0], _mediaPort[1], FrameTypesEnum.H264);
_rtpChannel.OnFrameReady += _rtpChannel_OnFrameReady;
_rtpChannel.Start();
SIPURI localUri = new SIPURI(_msgCore.LocalSIPId, _msgCore.LocalEndPoint.ToHost(), "");
SIPURI remoteUri = new SIPURI(_deviceId, _remoteEndPoint.ToHost(), "");
SIPRequest ackReq = _msgCore.Transport.GetRequest(SIPMethodsEnum.ACK, remoteUri);
SIPFromHeader from = new SIPFromHeader(null, response.Header.From.FromURI, response.Header.From.FromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, response.Header.To.ToTag);
SIPContactHeader contactHeader = new SIPContactHeader(null, localUri);
SIPHeader header = new SIPHeader(from, to, response.Header.CSeq, response.Header.CallId);
header.CSeqMethod = SIPMethodsEnum.ACK;
header.Contact = response.Header.Contact;
header.Contact.Clear();
header.Contact.Add(contactHeader);
header.Vias = response.Header.Vias;
header.MaxForwards = response.Header.MaxForwards;
header.ContentLength = response.Header.ContentLength;
header.UserAgent = _msgCore.UserAgent;
header.Allow = null;
ackReq.Header = header;
_okTag = response.Header.To.ToTag;
_contact = header.Contact.FirstOrDefault();
_via = header.Vias;
_msgCore.Transport.SendRequest(_remoteEndPoint, ackReq);
}
/// <summary>
/// 初始化远程sip
/// </summary>
/// <param name="localEndPoint">本地终结点</param>
/// <param name="remoteEndPoint">远程终结点</param>
/// <param name="request">sip请求</param>
private void SIPTransportInit(SIPEndPoint localEndPoint, SIPEndPoint remoteEndPoint, SIPRequest request)
{
lock (RemoteTrans)
{
if (!RemoteTrans.ContainsKey(remoteEndPoint.ToString()))
{
Console.ForegroundColor = ConsoleColor.Green;
RemoteTrans.Add(remoteEndPoint.ToString(), request.Header.From.FromURI.User);
logger.Debug("RemoteTrans Init:Remote:" + remoteEndPoint.ToHost() + "-----User:" + request.Header.From.FromURI.User);
Console.ForegroundColor = ConsoleColor.White;
}
}
}
/// <summary>
/// 查询设备目录请求
/// </summary>
/// <returns></returns>
private SIPRequest QueryItems(string fromTag, string toTag, int cSeq, string callId)
{
SIPURI remoteUri = new SIPURI(RemoteSIPId, RemoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(LocalSIPId, LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, toTag);
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 = UserAgent;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";
return(catalogReq);
}
public override void AddMessageResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPResponse response)
{
if (response.Status == SIPResponseStatusCodesEnum.Unauthorised)
{
logger.Info("需要提供身份认证字段" + remoteEndPoint.ToHost());
//安全身份认证
SIPAuthorisationDigest digest = new SIPAuthorisationDigest(SIPAuthorisationHeadersEnum.Authorize);
digest.Username = response.Header.AuthenticationHeader.SIPDigest.Username;
digest.Password = "******";
digest.Realm = response.Header.AuthenticationHeader.SIPDigest.Realm;
digest.Nonce = response.Header.AuthenticationHeader.SIPDigest.Nonce;
digest.Response = digest.Digest;
string md5Pass = digest.ToString();
SIPAuthenticationHeader auth = new SIPAuthenticationHeader(digest);
_auth = auth;
RegisterToPlatform();
}
}
/// <summary>
/// 目录查询响应消息处理
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
/// <param name="catalog">目录结构体</param>
private void CatalogHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request, Catalog catalog)
{
foreach (var cata in catalog.DeviceList.Items)
{
if (cata == null)
{
continue;
}
cata.RemoteEP = remoteEP.ToHost();
DevCataType devCata = DevType.GetCataType(cata.DeviceID);
if (devCata != DevCataType.Device)
{
continue;
}
for (int i = 0; i < 2; i++)
{
CommandType cmdType = i == 0 ? CommandType.Play : CommandType.Playback;
MonitorKey key = new MonitorKey()
{
DeviceID = cata.DeviceID,
CmdType = cmdType
};
lock (MonitorService)
{
if (MonitorService.ContainsKey(key))
{
continue;
}
remoteEP.Port = _account.KeepaliveInterval;
ISIPMonitorService monitor = new SIPMonitorCore(this, cata.DeviceID, remoteEP, _account);
MonitorService.Add(key, monitor);
}
}
}
if (OnCatalogReceived != null)
{
OnCatalogReceived(catalog);
}
}
/// <summary>
/// 目录查询响应消息处理
/// </summary>
/// <param name="localEP">本地终结点</param>
/// <param name="remoteEP">远程终结点</param>
/// <param name="request">sip请求</param>
/// <param name="catalog">目录结构体</param>
private void CatalogHandle(SIPEndPoint localEP, SIPEndPoint remoteEP, SIPRequest request, Catalog catalog)
{
catalog.DeviceList.Items.FindAll(item => item != null).ForEach(catalogItem =>
{
catalogItem.RemoteEP = remoteEP.ToHost();
var devCata = DevType.GetCataType(catalogItem.DeviceID);
if (devCata != DevCataType.Device)
{
if (!_nodeMonitorService.ContainsKey(catalogItem.DeviceID))
{
remoteEP.Port = _LocalSipAccount.KeepaliveInterval;
_nodeMonitorService.TryAdd(catalogItem.DeviceID, new SIPMonitorCoreService(this, _transport, _sipAccountStorage)
{
RemoteEndPoint = remoteEP,
DeviceId = catalogItem.DeviceID
});
}
}
// CommandType cmdType = i == 0 ? CommandType.Play : CommandType.Playback;
});
OnCatalogReceived?.Invoke(catalog);
}
/// <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);
}
/// <summary>
/// sip请求消息
/// </summary>
/// <param name="localEndPoint">本地终结点</param>
/// <param name="remoteEndPoint"b>远程终结点</param>
/// <param name="request">sip请求</param>
public virtual void AddMessageRequest(SIPEndPoint localEndPoint, SIPEndPoint remoteEndPoint, SIPRequest request)
{
MessageCore[remoteEndPoint.ToHost()].AddMessageRequest(localEndPoint, remoteEndPoint, request);
}
/// <summary>
/// sip响应消息
/// </summary>
/// <param name="localSIPEndPoint">本地终结点</param>
/// <param name="remoteEndPoint">远程终结点</param>
/// <param name="response">sip响应</param>
public virtual void AddMessageResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPResponse response)
{
MessageCore[remoteEndPoint.ToHost()].AddMessageResponse(localSIPEndPoint, remoteEndPoint, response);
}
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>
/// sip请求消息
/// </summary>
/// <param name="localEndPoint">本地终结点</param>
/// <param name="remoteEndPoint"b>远程终结点</param>
/// <param name="request">sip请求</param>
public void AddMessageRequest(SIPEndPoint localEndPoint, SIPEndPoint remoteEndPoint, SIPRequest request)
{
//注册请求
if (request.Method == SIPMethodsEnum.REGISTER)
{
m_registrarCore.AddRegisterRequest(localEndPoint, remoteEndPoint, request);
SIPTransportInit(localEndPoint, remoteEndPoint, request);
}
//消息请求
else if (request.Method == SIPMethodsEnum.MESSAGE)
{
SIPTransportInit(localEndPoint, remoteEndPoint, request);
KeepAlive keepAlive = KeepAlive.Instance.Read(request.Body);
if (keepAlive != null && keepAlive.CmdType == CommandType.Keepalive) //心跳
{
//if (!_initSIP)
//{
//LocalEndPoint = request.Header.To.ToURI.ToSIPEndPoint();
//RemoteEndPoint = request.Header.From.FromURI.ToSIPEndPoint();
//LocalSIPId = request.Header.To.ToURI.User;
//RemoteSIPId = request.Header.From.FromURI.User;
//}
//_initSIP = true;
logger.Debug("KeepAlive:" + remoteEndPoint.ToHost() + "=====DevID:" + keepAlive.DeviceID + "=====Status:" + keepAlive.Status + "=====SN:" + keepAlive.SN);
OnSIPServiceChange(remoteEndPoint.ToHost(), SipServiceStatus.Complete);
}
else
{
Catalog catalog = Catalog.Instance.Read(request.Body);
if (catalog != null && catalog.CmdType == CommandType.Catalog) //设备目录
{
foreach (var cata in catalog.DeviceList.Items)
{
//cata.RemoteEP = request.Header.From.FromURI.Host;
cata.RemoteEP = remoteEndPoint.ToHost();
for (int i = 0; i < 2; i++)
{
CommandType cmdType = CommandType.Unknown;
if (i == 0)
{
cmdType = CommandType.Play;
}
else
{
cmdType = CommandType.Playback;
}
string key = cata.DeviceID + cmdType;
lock (MonitorService)
{
if (MonitorService.ContainsKey(key))
{
continue;
}
ISIPMonitorService monitor = new SIPMonitorCore(this, cata.DeviceID, cata.Name, remoteEndPoint);
monitor.OnSIPServiceChanged += monitor_OnSIPServiceChanged;
MonitorService.Add(key, monitor);
}
}
}
if (OnCatalogReceived != null)
{
OnCatalogReceived(catalog);
}
}
RecordInfo record = RecordInfo.Instance.Read(request.Body);
if (record != null && record.CmdType == CommandType.RecordInfo) //录像检索
{
lock (MonitorService)
{
MonitorService[record.DeviceID + CommandType.Playback].RecordQueryTotal(record.SumNum);
}
if (OnRecordInfoReceived != null && record.RecordItems != null)
{
OnRecordInfoReceived(record);
}
}
}
SIPResponse msgRes = GetResponse(localEndPoint, remoteEndPoint, SIPResponseStatusCodesEnum.Ok, "", request);
Transport.SendResponse(msgRes);
}
//停止播放请求
else if (request.Method == SIPMethodsEnum.BYE)
{
SIPResponse byeRes = GetResponse(localEndPoint, remoteEndPoint, SIPResponseStatusCodesEnum.Ok, "", request);
Transport.SendResponse(byeRes);
}
}