/// <summary>
/// 恢复录像播放
/// </summary>
/// <param name="localIp">本地ip</param>
/// <param name="mediaPort">端口号</param>
/// <param name="fromTag">from tag</param>
/// <param name="cSeq">序号</param>
/// <param name="callId">呼叫编号</param>
/// <returns></returns>
public SIPRequest BackVideoContinuePlayingControlReq(string localIp, int[] mediaPort, string fromTag, int cSeq, string callId)
{
SIPURI remoteUri = new SIPURI(_deviceId, _msgCore.RemoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(_msgCore.LocalSIPId, _msgCore.LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest backReq = _msgCore.Transport.GetRequest(SIPMethodsEnum.INFO, remoteUri);
SIPContactHeader contactHeader = new SIPContactHeader(null, localUri);
backReq.Header.Contact.Clear();
backReq.Header.Contact.Add(contactHeader);
backReq.Header.Allow = null;
backReq.Header.From = from;
backReq.Header.To = to;
backReq.Header.UserAgent = _msgCore.UserAgent;
backReq.Header.CSeq = cSeq;
backReq.Header.CallId = callId;
backReq.Header.Subject = SetSubject();
backReq.Header.ContentType = "application/mansrtsp";
backReq.Body = SetMediaPauseReq();
_realReqSession = backReq;
return(backReq);
}
/// <summary>
/// 结束录像点播视频请求
/// </summary>
/// <returns></returns>
public void BackVideoStopPlayingControlReq()
{
if (_realReqSession == null)
{
OnSIPServiceChange(_deviceName + "-" + _deviceId, SipServiceStatus.Wait);
return;
}
SIPURI localUri = new SIPURI(_msgCore.LocalSIPId, _msgCore.LocalEndPoint.ToHost(), "");
SIPURI remoteUri = new SIPURI(_deviceId, _msgCore.RemoteEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, _realReqSession.Header.From.FromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, _realReqSession.Header.To.ToTag);
SIPRequest byeReq = _msgCore.Transport.GetRequest(SIPMethodsEnum.BYE, remoteUri);
SIPHeader header = new SIPHeader(from, to, _realReqSession.Header.CSeq, _realReqSession.Header.CallId);
header.CSeqMethod = byeReq.Header.CSeqMethod;
header.Vias = byeReq.Header.Vias;
header.MaxForwards = byeReq.Header.MaxForwards;
header.UserAgent = _msgCore.UserAgent;
byeReq.Header.From = from;
byeReq.Header = header;
this.Stop();
_msgCore.Transport.SendRequest(_msgCore.RemoteEndPoint, byeReq);
_byeTask = new TaskTiming(byeReq, _msgCore.Transport);
_msgCore.SendRequestTimeout += _byeTask.MessageSendRequestTimeout;
_byeTask.OnCloseRTPChannel += Task_OnCloseRTPChannel;
_byeTask.Start();
}
/// <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, LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
//SIPToHeader to = new SIPToHeader(null, remoteUri, toTag);
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 = UserAgent;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";
return(catalogReq);
}
/// <summary>
/// 录像点播请求
/// </summary>
/// <param name="localIp">本地ip</param>
/// <param name="mediaPort">端口号</param>
/// <param name="startTime">开始时间</param>
/// <param name="stopTime">结束时间</param>
/// <param name="fromTag">from tag</param>
/// <param name="cSeq">序号</param>
/// <param name="callId">呼叫编号</param>
/// <returns></returns>
private SIPRequest BackVideoReq(int[] mediaPort, uint startTime, uint stopTime)
{
string localIp = _msgCore.LocalEndPoint.Address.ToString();
string fromTag = CallProperties.CreateNewTag();
int cSeq = CallProperties.CreateNewCSeq();
string callId = CallProperties.CreateNewCallId();
SIPURI remoteUri = new SIPURI(_deviceId, _remoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(_msgCore.LocalSIPId, _msgCore.LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest backReq = _msgCore.Transport.GetRequest(SIPMethodsEnum.INVITE, remoteUri);
SIPContactHeader contactHeader = new SIPContactHeader(null, localUri);
backReq.Header.Contact.Clear();
backReq.Header.Contact.Add(contactHeader);
backReq.Header.Allow = null;
backReq.Header.From = from;
backReq.Header.To = to;
backReq.Header.UserAgent = _msgCore.UserAgent;
backReq.Header.CSeq = cSeq;
backReq.Header.CallId = callId;
backReq.Header.Subject = SetSubject();
backReq.Header.ContentType = "application/sdp";
backReq.Body = SetMediaReq(localIp, mediaPort, startTime, stopTime);
_realReqSession = backReq;
return(backReq);
}
private SIPResponse GetResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPResponseStatusCodesEnum responseCode, string reasonPhrase, SIPRequest request)
{
try
{
SIPResponse response = new SIPResponse(responseCode, reasonPhrase, localSIPEndPoint);
SIPSchemesEnum sipScheme = (localSIPEndPoint.Protocol == SIPProtocolsEnum.tls) ? SIPSchemesEnum.sips : SIPSchemesEnum.sip;
SIPFromHeader from = request.Header.From;
from.FromTag = request.Header.From.FromTag;
SIPToHeader to = request.Header.To;
response.Header = new SIPHeader(from, to, request.Header.CSeq, request.Header.CallId)
{
CSeqMethod = request.Header.CSeqMethod,
Vias = request.Header.Vias,
UserAgent = SIPConstants.SIP_USERAGENT_STRING,
CSeq = request.Header.CSeq
};
if (response.Header.To.ToTag == null || request.Header.To.ToTag.Trim().Length == 0)
{
response.Header.To.ToTag = CallProperties.CreateNewTag();
}
return(response);
}
catch (Exception excp)
{
logger.Error("Exception SIPTransport GetResponse. " + excp.Message);
throw;
}
}
/// <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>
/// Used to create a SIP response for a request when it was not possible to parse the incoming SIP request.
/// The response generated by this method may or may not make it back to the requester. Because the SIP
/// request could not be parsed there are no Via headers available and without those the return network
/// path is missing. Instead a new Via header is generated that may get through if the requester is only
/// one SIP hop away.
/// </summary>
/// <param name="localSIPEndPoint">The local SIP end point the request was received on.</param>
/// <param name="remoteSIPEndPoint">The remote SIP end point the request was received on.</param>
/// <param name="responseCode">The response code to set on the response.</param>
/// <param name="reasonPhrase">Optional reason phrase to set on the response (keep short).</param>
public static SIPResponse GetResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteSIPEndPoint, SIPResponseStatusCodesEnum responseCode, string reasonPhrase)
{
try
{
SIPResponse response = new SIPResponse(responseCode, reasonPhrase);
response.SetSendFromHints(localSIPEndPoint);
SIPSchemesEnum sipScheme = (localSIPEndPoint.Protocol == SIPProtocolsEnum.tls) ? SIPSchemesEnum.sips : SIPSchemesEnum.sip;
SIPFromHeader from = new SIPFromHeader(null, new SIPURI(sipScheme, localSIPEndPoint), null);
SIPToHeader to = new SIPToHeader(null, new SIPURI(sipScheme, localSIPEndPoint), null);
int cSeq = 1;
string callId = CallProperties.CreateNewCallId();
response.Header = new SIPHeader(from, to, cSeq, callId);
response.Header.CSeqMethod = SIPMethodsEnum.NONE;
response.Header.Vias.PushViaHeader(new SIPViaHeader(new SIPEndPoint(localSIPEndPoint.Protocol, remoteSIPEndPoint.GetIPEndPoint()), CallProperties.CreateBranchId()));
response.Header.MaxForwards = Int32.MinValue;
response.Header.Allow = m_allowedSIPMethods;
return(response);
}
catch (Exception excp)
{
logger.LogError("Exception SIPResponse.GetResponse. " + excp.Message);
throw;
}
}
private SIPRequest GetRequest(SIPMethodsEnum method)
{
try
{
SIPURI uri = SIPURI.ParseSIPURIRelaxed(m_callDescriptor.Uri);
SIPRequest request = new SIPRequest(method, uri);
SIPFromHeader fromHeader = m_callDescriptor.GetFromHeader();
fromHeader.FromTag = CallProperties.CreateNewTag();
SIPToHeader toHeader = new SIPToHeader(null, uri, null);
int cseq = Crypto.GetRandomInt(10000, 20000);
SIPHeader header = new SIPHeader(fromHeader, toHeader, cseq, CallProperties.CreateNewCallId());
header.CSeqMethod = method;
header.UserAgent = m_userAgent;
request.Header = header;
header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
try
{
if (m_callDescriptor.CustomHeaders != null && m_callDescriptor.CustomHeaders.Count > 0)
{
foreach (string customHeader in m_callDescriptor.CustomHeaders)
{
if (customHeader.IsNullOrBlank())
{
continue;
}
else if (customHeader.Trim().StartsWith(SIPHeaders.SIP_HEADER_USERAGENT))
{
request.Header.UserAgent = customHeader.Substring(customHeader.IndexOf(":") + 1).Trim();
}
else
{
request.Header.UnknownHeaders.Add(customHeader);
}
}
}
}
catch (Exception excp)
{
logger.LogError("Exception Parsing CustomHeader for SIPNonInviteClientUserAgent GetRequest. " + excp.Message + m_callDescriptor.CustomHeaders);
}
if (!m_callDescriptor.Content.IsNullOrBlank())
{
request.Body = m_callDescriptor.Content;
request.Header.ContentType = m_callDescriptor.ContentType;
request.Header.ContentLength = request.Body.Length;
}
return(request);
}
catch (Exception excp)
{
logger.LogError("Exception SIPNonInviteClientUserAgent GetRequest. " + excp.Message);
throw;
}
}
public SIPRequest GetSIPRequest(SIPMethodsEnum sipMethod, string requestURIStr, string fromURIStr, int cseq, string callId, string contentType, string body)
{
SIPURI requestURI = (requestURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(requestURIStr) : SIPURI.ParseSIPURI("sip:" + requestURIStr);
SIPURI fromURI = (fromURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(fromURIStr) : SIPURI.ParseSIPURI("sip:" + fromURIStr);
SIPFromHeader fromHeader = new SIPFromHeader(null, fromURI, CallProperties.CreateNewTag());
SIPToHeader toHeader = new SIPToHeader(null, requestURI, null);
SIPRequest sipRequest = new SIPRequest(sipMethod, requestURI);
IPEndPoint localSIPEndPoint = m_sipTransport.GetIPEndPointsList()[0];
SIPHeader sipHeader = new SIPHeader(fromHeader, toHeader, cseq, callId);
sipHeader.Contact = SIPContactHeader.ParseContactHeader("sip:" + localSIPEndPoint.ToString());
sipHeader.CSeqMethod = sipMethod;
sipRequest.Header = sipHeader;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint.Address.ToString(), localSIPEndPoint.Port, CallProperties.CreateBranchId());
sipRequest.Header.Via.PushViaHeader(viaHeader);
if (body != null && body.Trim().Length > 0)
{
sipRequest.Body = body;
//sipRequest.Body = "Signal=5\r\nDuration=250";
//sipRequest.Body = "<rtcp>blah blah blah</rtcp>";
sipRequest.Header.ContentLength = sipRequest.Body.Length;
sipRequest.Header.ContentType = contentType;
}
return(sipRequest);
}
/// <summary>
/// Builds the REFER request to transfer an established call.
/// </summary>
/// <param name="sipDialogue">A SIP dialogue object representing the established call.</param>
/// <param name="referToUri">The SIP URI to transfer the call to.</param>
/// <returns>A SIP REFER request.</returns>
private static SIPRequest GetReferRequest(SIPClientUserAgent uac, SIPURI referToUri)
{
SIPDialogue sipDialogue = uac.SIPDialogue;
SIPRequest referRequest = new SIPRequest(SIPMethodsEnum.REFER, sipDialogue.RemoteTarget);
referRequest.SetSendFromHints(uac.ServerTransaction.TransactionRequest.LocalSIPEndPoint);
SIPFromHeader referFromHeader = SIPFromHeader.ParseFromHeader(sipDialogue.LocalUserField.ToString());
SIPToHeader referToHeader = SIPToHeader.ParseToHeader(sipDialogue.RemoteUserField.ToString());
int cseq = sipDialogue.CSeq + 1;
sipDialogue.CSeq++;
SIPHeader referHeader = new SIPHeader(referFromHeader, referToHeader, cseq, sipDialogue.CallId);
referHeader.CSeqMethod = SIPMethodsEnum.REFER;
referRequest.Header = referHeader;
referRequest.Header.Routes = sipDialogue.RouteSet;
referRequest.Header.ProxySendFrom = sipDialogue.ProxySendFrom;
referRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
referRequest.Header.ReferTo = referToUri.ToString();
referRequest.Header.Contact = new List <SIPContactHeader>()
{
SIPContactHeader.GetDefaultSIPContactHeader()
};
return(referRequest);
}
/// <summary>
/// Builds the REFER request to transfer an established call.
/// </summary>
/// <param name="sipDialogue">A SIP dialogue object representing the established call.</param>
/// <param name="referToUri">The SIP URI to transfer the call to.</param>
/// <returns>A SIP REFER request.</returns>
private static SIPRequest GetReferRequest(SIPClientUserAgent uac, SIPURI referToUri)
{
SIPDialogue sipDialogue = uac.SIPDialogue;
SIPRequest referRequest = new SIPRequest(SIPMethodsEnum.REFER, sipDialogue.RemoteTarget);
SIPFromHeader referFromHeader = SIPFromHeader.ParseFromHeader(sipDialogue.LocalUserField.ToString());
SIPToHeader referToHeader = SIPToHeader.ParseToHeader(sipDialogue.RemoteUserField.ToString());
int cseq = sipDialogue.CSeq + 1;
sipDialogue.CSeq++;
SIPHeader referHeader = new SIPHeader(referFromHeader, referToHeader, cseq, sipDialogue.CallId);
referHeader.CSeqMethod = SIPMethodsEnum.REFER;
referRequest.Header = referHeader;
referRequest.Header.Routes = sipDialogue.RouteSet;
referRequest.Header.ProxySendFrom = sipDialogue.ProxySendFrom;
SIPViaHeader viaHeader = new SIPViaHeader(uac.ServerTransaction.LocalSIPEndPoint, CallProperties.CreateBranchId());
referRequest.Header.Vias.PushViaHeader(viaHeader);
referRequest.Header.ReferTo = referToUri.ToString();
referRequest.Header.Contact = new List <SIPContactHeader>()
{
new SIPContactHeader(null, uac.ServerTransaction.TransactionRequest.Header.Contact.First().ContactURI)
};
referRequest.RemoteSIPEndPoint = uac.ServerTransaction.RemoteEndPoint;
return(referRequest);
}
public void ByeVideoReq()
{
if (_audioChannel == null)
{
return;
}
_audioChannel.Stop();
_audioChannel = null;
SIPURI localUri = new SIPURI(_account.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);
header.CSeqMethod = SIPMethodsEnum.BYE;
SIPViaHeader viaHeader = new SIPViaHeader(LocalEP, CallProperties.CreateBranchId());
viaHeader.Branch = CallProperties.CreateBranchId();
viaHeader.Transport = SIPProtocolsEnum.udp;
SIPViaSet viaSet = new SIPViaSet();
viaSet.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>
/// 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 ParseToHeaderTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string testToHeader = "User <sip:[email protected]>;tag=abcdef";
SIPToHeader sipToHeader = SIPToHeader.ParseToHeader(testToHeader);
Assert.IsTrue(sipToHeader.ToName == "User", "The To header name was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToURI.ToString() == "sip:[email protected]", "The To header URI was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToTag == "abcdef", "The To header Tag was not parsed correctly.");
}
/// <summary>
/// Builds a very basic SIP request. In most cases additional headers will need to be added in order for it to be useful.
/// When this method is called the channel used for sending the request has not been decided. The headers below depend on
/// the sending channel. By setting them to "0.0.0.0:0" the send request methods will substitute in the appropriate value
/// at send time:
/// - Top Via header.
/// - From header.
/// - Contact header.
/// </summary>
/// <param name="method">The method for the SIP request.</param>
/// <param name="uri">The destination URI for the request.</param>
/// <param name="to">The To header for the request.</param>
/// <param name="from">The From header for the request.</param>
/// <returns>A SIP request object.</returns>
public static SIPRequest GetRequest(SIPMethodsEnum method, SIPURI uri, SIPToHeader to, SIPFromHeader from)
{
SIPRequest request = new SIPRequest(method, uri);
SIPHeader header = new SIPHeader(from, to, 1, CallProperties.CreateNewCallId());
request.Header = header;
header.CSeqMethod = method;
header.Allow = m_allowedSIPMethods;
header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
return(request);
}
private void SendNotifyRequestForSubscription(SIPEventSubscription subscription)
{
try
{
subscription.SubscriptionDialogue.CSeq++;
//logger.Debug(DateTime.Now.ToString("HH:mm:ss:fff") + " Sending NOTIFY request for " + subscription.SubscriptionDialogue.Owner + " event " + subscription.SubscriptionEventPackage.ToString()
// + " and " + subscription.ResourceURI.ToString() + " to " + subscription.SubscriptionDialogue.RemoteTarget.ToString() + ", cseq=" + (subscription.SubscriptionDialogue.CSeq) + ".");
int secondsRemaining = Convert.ToInt32(subscription.LastSubscribe.AddSeconds(subscription.Expiry).Subtract(DateTime.Now).TotalSeconds % Int32.MaxValue);
SIPRequest notifyRequest = m_sipTransport.GetRequest(SIPMethodsEnum.NOTIFY, subscription.SubscriptionDialogue.RemoteTarget);
notifyRequest.Header.From = SIPFromHeader.ParseFromHeader(subscription.SubscriptionDialogue.LocalUserField.ToString());
notifyRequest.Header.To = SIPToHeader.ParseToHeader(subscription.SubscriptionDialogue.RemoteUserField.ToString());
notifyRequest.Header.Event = subscription.SubscriptionEventPackage.ToString();
notifyRequest.Header.CSeq = subscription.SubscriptionDialogue.CSeq;
notifyRequest.Header.CallId = subscription.SubscriptionDialogue.CallId;
notifyRequest.Body = subscription.GetNotifyBody();
notifyRequest.Header.ContentLength = notifyRequest.Body.Length;
notifyRequest.Header.SubscriptionState = "active;expires=" + secondsRemaining.ToString();
notifyRequest.Header.ContentType = subscription.NotifyContentType;
notifyRequest.Header.ProxySendFrom = subscription.SubscriptionDialogue.ProxySendFrom;
// If the outbound proxy is a loopback address, as it will normally be for local deployments, then it cannot be overriden.
SIPEndPoint dstEndPoint = m_outboundProxy;
if (m_outboundProxy != null && IPAddress.IsLoopback(m_outboundProxy.Address))
{
dstEndPoint = m_outboundProxy;
}
else if (subscription.SubscriptionDialogue.ProxySendFrom != null)
{
// The proxy will always be listening on UDP port 5060 for requests from internal servers.
dstEndPoint = new SIPEndPoint(SIPProtocolsEnum.udp, new IPEndPoint(SIPEndPoint.ParseSIPEndPoint(subscription.SubscriptionDialogue.ProxySendFrom).Address, m_defaultSIPPort));
}
SIPNonInviteTransaction notifyTransaction = m_sipTransport.CreateNonInviteTransaction(notifyRequest, dstEndPoint, m_sipTransport.GetDefaultSIPEndPoint(dstEndPoint), m_outboundProxy);
notifyTransaction.NonInviteTransactionFinalResponseReceived += (local, remote, transaction, response) => { NotifyTransactionFinalResponseReceived(local, remote, transaction, response, subscription); };
m_sipTransport.SendSIPReliable(notifyTransaction);
//logger.Debug(notifyRequest.ToString());
MonitorLogEvent_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Notifier, SIPMonitorEventTypesEnum.NotifySent, "Notification sent for " + subscription.SubscriptionEventPackage.ToString() + " and " + subscription.ResourceURI.ToString() + " to " + subscription.SubscriptionDialogue.RemoteTarget.ToString() + " (cseq=" + notifyRequest.Header.CSeq + ").", subscription.SubscriptionDialogue.Owner));
subscription.NotificationSent();
}
catch (Exception excp)
{
logger.Error("Exception SendNotifyRequestForSubscription. " + excp.Message);
throw;
}
}
public void ParseMSCToHeaderTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string testToHeader = "sip:[email protected];tag=AZHf2-ZMfDX0";
SIPToHeader sipToHeader = SIPToHeader.ParseToHeader(testToHeader);
Console.WriteLine("To header: " + sipToHeader.ToString());
Assert.IsTrue(sipToHeader.ToName == null, "The To header name was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToURI.ToString() == "sip:[email protected]", "The To header URI was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToTag == "AZHf2-ZMfDX0", "The To header Tag was not parsed correctly.");
}
public void ParseByeToHeader()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string testHeader = "\"Joe Bloggs\" <sip:[email protected]>;tag=0013c339acec34652d988c7e-4fddcdef";
SIPToHeader sipToHeader = SIPToHeader.ParseToHeader(testHeader);
Console.WriteLine("To header: " + sipToHeader.ToString());
Assert.IsTrue(sipToHeader.ToName == "Joe Bloggs", "The To header name was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToURI.ToString() == "sip:[email protected]", "The To header URI was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToTag == "0013c339acec34652d988c7e-4fddcdef", "The To header Tag was not parsed correctly.");
}
public void ToStringToHeaderTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
string testToHeader = "User <sip:[email protected]>;tag=abcdef";
SIPToHeader sipToHeader = SIPToHeader.ParseToHeader(testToHeader);
Assert.True(sipToHeader.ToName == "User", "The To header name was not parsed correctly.");
Assert.True(sipToHeader.ToURI.ToString() == "sip:[email protected]", "The To header URI was not parsed correctly.");
Assert.True(sipToHeader.ToTag == "abcdef", "The To header Tag was not parsed correctly.");
Assert.True(sipToHeader.ToString() == "\"User\" <sip:[email protected]>;tag=abcdef", "The To header was not put ToString correctly.");
}
/// <summary>
/// Helper method to create a SIP response for a SIP request. This method can be thought of as creating a
/// vanilla (or no frills) response for a request. It's suitable for generating error responses. For requests that
/// require an action such as creating a call or registering a contact the response will require additional
/// information and this method will not be suitable.
/// </summary>
/// <param name="sipRequest">The SIP request to create the response for.</param>
/// <param name="responseCode">The response code.</param>
/// <param name="reasonPhrase">Optional reason phrase to set on the response (needs to be short).</param>
/// <returns>A SIP response object.</returns>
public static SIPResponse GetResponse(SIPRequest sipRequest, SIPResponseStatusCodesEnum responseCode,
string reasonPhrase)
{
try
{
SIPResponse response = new SIPResponse(responseCode, reasonPhrase);
response.SetSendFromHints(sipRequest.LocalSIPEndPoint);
if (reasonPhrase != null)
{
response.ReasonPhrase = reasonPhrase;
}
SIPHeader requestHeader = sipRequest.Header;
SIPFromHeader from = (requestHeader == null || requestHeader.From != null)
? requestHeader.From
: new SIPFromHeader(null, new SIPURI(sipRequest.URI.Scheme, sipRequest.LocalSIPEndPoint), null);
SIPToHeader to = (requestHeader == null || requestHeader.To != null)
? requestHeader.To
: new SIPToHeader(null, new SIPURI(sipRequest.URI.Scheme, sipRequest.LocalSIPEndPoint), null);
int cSeq = (requestHeader == null || requestHeader.CSeq != -1) ? requestHeader.CSeq : 1;
string callId = (requestHeader == null || requestHeader.CallId != null)
? requestHeader.CallId
: CallProperties.CreateNewCallId();
response.Header = new SIPHeader(from, to, cSeq, callId);
response.Header.CSeqMethod = (requestHeader != null) ? requestHeader.CSeqMethod : SIPMethodsEnum.NONE;
if (requestHeader == null || requestHeader.Vias == null || requestHeader.Vias.Length == 0)
{
response.Header.Vias.PushViaHeader(new SIPViaHeader(sipRequest.RemoteSIPEndPoint,
CallProperties.CreateBranchId()));
}
else
{
response.Header.Vias = requestHeader.Vias;
}
response.Header.MaxForwards = Int32.MinValue;
response.Header.Allow = m_allowedSIPMethods;
return(response);
}
catch (Exception excp)
{
logger.LogError("Exception SIPResponse.GetResponse. " + excp.Message);
throw excp;
}
}
public SIPRequest GetInviteRequest(string inviteURIStr, string fromURIStr, string body, int rtpPort)
{
SIPURI inviteURI = (inviteURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(inviteURIStr) : SIPURI.ParseSIPURI("sip:" + inviteURIStr);
SIPFromHeader fromHeader = SIPFromHeader.ParseFromHeader(fromURIStr); // (fromURIStr.StartsWith("sip:")) ? SIPFromHeader.ParseFromHeader(fromURIStr) : SIPFromHeader.ParseFromHeader("sip:" + fromURIStr);
SIPToHeader toHeader = new SIPToHeader(null, inviteURI, null);
SIPRequest inviteRequest = new SIPRequest(SIPMethodsEnum.INVITE, inviteURI);
IPEndPoint localSIPEndPoint = m_sipTransport.GetIPEndPointsList()[0];
SIPHeader inviteHeader = new SIPHeader(fromHeader, toHeader, 1, CallProperties.CreateNewCallId());
inviteHeader.From.FromTag = CallProperties.CreateNewTag();
inviteHeader.Contact = SIPContactHeader.ParseContactHeader("sip:" + localSIPEndPoint.ToString());
inviteHeader.CSeqMethod = SIPMethodsEnum.INVITE;
//inviteHeader.UnknownHeaders.Add("BlueFace-Test: 12324");
inviteRequest.Header = inviteHeader;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint.Address.ToString(), localSIPEndPoint.Port, CallProperties.CreateBranchId());
inviteRequest.Header.Via.PushViaHeader(viaHeader);
rtpPort = (rtpPort != 0) ? rtpPort : Crypto.GetRandomInt(10000, 20000);
string sessionId = Crypto.GetRandomInt(1000, 5000).ToString();
if (body != null && body.Trim().Length > 0)
{
inviteRequest.Body = body;
}
else
{
inviteRequest.Body =
"v=0" + CRLF +
"o=- " + sessionId + " " + sessionId + " IN IP4 " + localSIPEndPoint.Address.ToString() + CRLF +
"s=session" + CRLF +
"c=IN IP4 " + localSIPEndPoint.Address.ToString() + CRLF +
"t=0 0" + CRLF +
"m=audio " + rtpPort + " RTP/AVP 0 101" + CRLF +
"a=rtpmap:0 PCMU/8000" + CRLF +
"a=rtpmap:101 telephone-event/8000" + CRLF +
"a=fmtp:101 0-16" + CRLF +
"a=sendrecv";
}
inviteRequest.Header.ContentLength = inviteRequest.Body.Length;
inviteRequest.Header.ContentType = "application/sdp";
return(inviteRequest);
}
/// <summary>
/// 查询设备目录请求
/// </summary>
/// <returns></returns>
private SIPRequest QueryItems()
{
SIPURI remoteUri = new SIPURI(_sipAccount.RemoteSipId, _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.From = from;
queryReq.Header.Contact = null;
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 GetByeRequest()
{
SIPRequest byeRequest = new SIPRequest(SIPMethodsEnum.BYE, SIPDialogue.RemoteTarget);
SIPFromHeader byeFromHeader = SIPFromHeader.ParseFromHeader(SIPDialogue.LocalUserField.ToString());
SIPToHeader byeToHeader = SIPToHeader.ParseToHeader(SIPDialogue.RemoteUserField.ToString());
int cseq = SIPDialogue.CSeq + 1;
SIPHeader byeHeader = new SIPHeader(byeFromHeader, byeToHeader, cseq, SIPDialogue.CallId);
byeHeader.CSeqMethod = SIPMethodsEnum.BYE;
byeRequest.Header = byeHeader;
byeRequest.Header.Routes = SIPDialogue.RouteSet;
byeRequest.Header.ProxySendFrom = SIPDialogue.ProxySendFrom;
byeRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
return(byeRequest);
}
/// <summary>
/// 查询设备目录请求
/// </summary>
/// <returns></returns>
private SIPRequest PTZRequest(string fromTag, string toTag, int cSeq, string callId)
{
SIPURI remoteUri = new SIPURI(_deviceId, _remoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(_msgCore.LocalSIPId, _msgCore.LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, toTag);
SIPRequest catalogReq = _msgCore.Transport.GetRequest(SIPMethodsEnum.MESSAGE, remoteUri);
catalogReq.Header.From = from;
catalogReq.Header.Contact = null;
catalogReq.Header.Allow = null;
catalogReq.Header.To = to;
catalogReq.Header.UserAgent = _msgCore.UserAgent;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";
return(catalogReq);
}
/// <summary>
/// Builds a basic SIP request with the header fields set to correctly identify it as an
/// in dialog request. Calling this method also increments the dialog's local CSeq counter.
/// This is safe to do even if the request does not end up being sent.
/// </summary>
/// <param name="method">The method of the SIP request to create.</param>
/// <returns>An in dialog SIP request.</returns>
public SIPRequest GetInDialogRequest(SIPMethodsEnum method)
{
CSeq++;
SIPRequest inDialogRequest = new SIPRequest(method, RemoteTarget);
SIPFromHeader fromHeader = SIPFromHeader.ParseFromHeader(LocalUserField.ToString());
SIPToHeader toHeader = SIPToHeader.ParseToHeader(RemoteUserField.ToString());
int cseq = CSeq;
SIPHeader header = new SIPHeader(fromHeader, toHeader, cseq, CallId);
header.CSeqMethod = method;
inDialogRequest.Header = header;
inDialogRequest.Header.Routes = RouteSet;
inDialogRequest.Header.ProxySendFrom = ProxySendFrom;
inDialogRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader());
return(inDialogRequest);
}
public void ChangeTagToHeaderTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
string testToHeader = "User <sip:[email protected]>;tag=abcdef";
SIPToHeader sipToHeader = SIPToHeader.ParseToHeader(testToHeader);
string newTag = "123456";
sipToHeader.ToTag = newTag;
Console.WriteLine("To header with new tag: " + sipToHeader.ToString());
Assert.IsTrue(sipToHeader.ToName == "User", "The To header name was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToURI.ToString() == "sip:[email protected]", "The To header URI was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToTag == newTag, "The To header Tag was not parsed correctly.");
Assert.IsTrue(sipToHeader.ToString() == "\"User\" <sip:[email protected]>;tag=123456", "The To header was not put ToString correctly.");
}
private SIPRequest GetByeRequest(SIPResponse inviteResponse, SIPURI byeURI)
{
SIPRequest byeRequest = new SIPRequest(SIPMethodsEnum.BYE, byeURI);
byeRequest.SetSendFromHints(inviteResponse.LocalSIPEndPoint);
SIPFromHeader byeFromHeader = inviteResponse.Header.From;
SIPToHeader byeToHeader = inviteResponse.Header.To;
int cseq = inviteResponse.Header.CSeq + 1;
SIPHeader byeHeader = new SIPHeader(byeFromHeader, byeToHeader, cseq, inviteResponse.Header.CallId);
byeHeader.CSeqMethod = SIPMethodsEnum.BYE;
byeHeader.ProxySendFrom = m_serverTransaction.TransactionRequest.Header.ProxySendFrom;
byeRequest.Header = byeHeader;
byeRequest.Header.Routes = (inviteResponse.Header.RecordRoutes != null) ? inviteResponse.Header.RecordRoutes.Reversed() : null;
byeRequest.Header.Vias.PushViaHeader(SIPViaHeader.GetDefaultSIPViaHeader(null));
return(byeRequest);
}
private SIPRequest GetByeRequest(SIPEndPoint localSIPEndPoint)
{
SIPRequest byeRequest = new SIPRequest(SIPMethodsEnum.BYE, m_sipDialogue.RemoteTarget);
SIPFromHeader byeFromHeader = SIPFromHeader.ParseFromHeader(m_sipDialogue.LocalUserField.ToString());
SIPToHeader byeToHeader = SIPToHeader.ParseToHeader(m_sipDialogue.RemoteUserField.ToString());
int cseq = m_sipDialogue.CSeq + 1;
SIPHeader byeHeader = new SIPHeader(byeFromHeader, byeToHeader, cseq, m_sipDialogue.CallId);
byeHeader.CSeqMethod = SIPMethodsEnum.BYE;
byeRequest.Header = byeHeader;
byeRequest.Header.Routes = m_sipDialogue.RouteSet;
byeRequest.Header.ProxySendFrom = m_sipDialogue.ProxySendFrom;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint, CallProperties.CreateBranchId());
byeRequest.Header.Vias.PushViaHeader(viaHeader);
return(byeRequest);
}
/// <summary>
/// 向上级平台注册
/// </summary>
private void RegisterToPlatform()
{
string fromTag = CallProperties.CreateNewTag();
string callId = CallProperties.CreateNewCallId();
int cSeq = CallProperties.CreateNewCSeq();
string branch = CallProperties.CreateBranchId();
SIPURI localUri = new SIPURI(LocalSIPId, LocalEndPoint.ToHost(), "");
SIPURI remoteUri = new SIPURI(RemoteSIPId, RemoteEndPoint.ToHost(), "");
SIPRequest registerReq = new SIPRequest(SIPMethodsEnum.REGISTER, remoteUri);
SIPViaHeader via = new SIPViaHeader(LocalEndPoint, branch);
SIPViaSet viaSet = new SIPViaSet();
viaSet.PushViaHeader(via);
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, localUri, null);
SIPHeader header = new SIPHeader(from, to, cSeq, callId);
registerReq.Header = header;
SIPContactHeader contact = new SIPContactHeader(null, localUri);
header.Contact = new List <SIPContactHeader>();
header.Contact.Add(contact);
header.Vias = viaSet;
header.AuthenticationHeader = _auth;
header.Expires = 3600;
header.CSeqMethod = SIPMethodsEnum.REGISTER;
header.MaxForwards = 70;
header.ContentLength = 0;
header.UserAgent = SIPConstants.SIP_SERVER_STRING;
Transport.SendRequest(RemoteEndPoint, registerReq);
}
private SIPRequest GetOptionsRequest(SIPURI serverURI, int cseq, IPEndPoint contact)
{
SIPRequest optionsRequest = new SIPRequest(SIPMethodsEnum.OPTIONS, serverURI);
SIPFromHeader fromHeader = new SIPFromHeader(null, SIPURI.ParseSIPURI("sip:" + contact.ToString()), null);
SIPToHeader toHeader = new SIPToHeader(null, serverURI, null);
string callId = CallProperties.CreateNewCallId();
string branchId = CallProperties.CreateBranchId();
SIPHeader header = new SIPHeader(fromHeader, toHeader, cseq, callId);
header.CSeqMethod = SIPMethodsEnum.OPTIONS;
header.MaxForwards = 0;
SIPViaHeader viaHeader = new SIPViaHeader(contact.Address.ToString(), contact.Port, branchId);
header.Vias.PushViaHeader(viaHeader);
optionsRequest.Header = header;
return(optionsRequest);
}
public SIPRequest GetInviteRequest(string inviteURIStr, string fromURIStr, string body, int rtpPort)
{
SIPURI inviteURI = (inviteURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(inviteURIStr) : SIPURI.ParseSIPURI("sip:" + inviteURIStr);
SIPFromHeader fromHeader = SIPFromHeader.ParseFromHeader(fromURIStr); // (fromURIStr.StartsWith("sip:")) ? SIPFromHeader.ParseFromHeader(fromURIStr) : SIPFromHeader.ParseFromHeader("sip:" + fromURIStr);
SIPToHeader toHeader = new SIPToHeader(null, inviteURI, null);
SIPRequest inviteRequest = new SIPRequest(SIPMethodsEnum.INVITE, inviteURI);
IPEndPoint localSIPEndPoint = m_sipTransport.GetIPEndPointsList()[0];
SIPHeader inviteHeader = new SIPHeader(fromHeader, toHeader, 1, CallProperties.CreateNewCallId());
inviteHeader.From.FromTag = CallProperties.CreateNewTag();
inviteHeader.Contact = SIPContactHeader.ParseContactHeader("sip:" + localSIPEndPoint.ToString());
inviteHeader.CSeqMethod = SIPMethodsEnum.INVITE;
//inviteHeader.UnknownHeaders.Add("BlueFace-Test: 12324");
inviteRequest.Header = inviteHeader;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint.Address.ToString(), localSIPEndPoint.Port, CallProperties.CreateBranchId());
inviteRequest.Header.Via.PushViaHeader(viaHeader);
rtpPort = (rtpPort != 0) ? rtpPort : Crypto.GetRandomInt(10000, 20000);
string sessionId = Crypto.GetRandomInt(1000, 5000).ToString();
if (body != null && body.Trim().Length > 0)
{
inviteRequest.Body = body;
}
else
{
inviteRequest.Body =
"v=0" + CRLF +
"o=- " + sessionId + " " + sessionId + " IN IP4 " + localSIPEndPoint.Address.ToString() + CRLF +
"s=session" + CRLF +
"c=IN IP4 " + localSIPEndPoint.Address.ToString() + CRLF +
"t=0 0" + CRLF +
"m=audio " + rtpPort + " RTP/AVP 0 101" + CRLF +
"a=rtpmap:0 PCMU/8000" + CRLF +
"a=rtpmap:101 telephone-event/8000" + CRLF +
"a=fmtp:101 0-16" + CRLF +
"a=sendrecv";
}
inviteRequest.Header.ContentLength = inviteRequest.Body.Length;
inviteRequest.Header.ContentType = "application/sdp";
return inviteRequest;
}
public SIPRequest GetSIPRequest(SIPMethodsEnum sipMethod, string requestURIStr, string fromURIStr, int cseq, string callId, string contentType, string body)
{
SIPURI requestURI = (requestURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(requestURIStr) : SIPURI.ParseSIPURI("sip:" + requestURIStr);
SIPURI fromURI = (fromURIStr.StartsWith("sip:")) ? SIPURI.ParseSIPURI(fromURIStr) : SIPURI.ParseSIPURI("sip:" + fromURIStr);
SIPFromHeader fromHeader = new SIPFromHeader(null, fromURI, CallProperties.CreateNewTag());
SIPToHeader toHeader = new SIPToHeader(null, requestURI, null);
SIPRequest sipRequest = new SIPRequest(sipMethod, requestURI);
IPEndPoint localSIPEndPoint = m_sipTransport.GetIPEndPointsList()[0];
SIPHeader sipHeader = new SIPHeader(fromHeader, toHeader, cseq, callId);
sipHeader.Contact = SIPContactHeader.ParseContactHeader("sip:" + localSIPEndPoint.ToString());
sipHeader.CSeqMethod = sipMethod;
sipRequest.Header = sipHeader;
SIPViaHeader viaHeader = new SIPViaHeader(localSIPEndPoint.Address.ToString(), localSIPEndPoint.Port, CallProperties.CreateBranchId());
sipRequest.Header.Via.PushViaHeader(viaHeader);
if (body != null && body.Trim().Length > 0)
{
sipRequest.Body = body;
//sipRequest.Body = "Signal=5\r\nDuration=250";
//sipRequest.Body = "<rtcp>blah blah blah</rtcp>";
sipRequest.Header.ContentLength = sipRequest.Body.Length;
sipRequest.Header.ContentType = contentType;
}
return sipRequest;
}
