private void SIPTCPMessageReceived(SIPChannel channel, SIPEndPoint remoteEndPoint, byte[] buffer)
{
if (m_connectionFailures.ContainsKey(remoteEndPoint.GetIPEndPoint().ToString()))
{
m_connectionFailures.Remove(remoteEndPoint.GetIPEndPoint().ToString());
}
if (m_connectionFailureStrikes.ContainsKey(remoteEndPoint.GetIPEndPoint().ToString()))
{
m_connectionFailureStrikes.Remove(remoteEndPoint.GetIPEndPoint().ToString());
}
SIPMessageReceived?.Invoke(channel, remoteEndPoint, buffer);
}
/// <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);
}
public async Task UacTxCheckRemoteSocketProxyReceivedUnitTestUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPEndPoint dummyEP = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 5060));
string inviteReqStr =
@"INVITE sip:[email protected]:12014 SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27
To: <sip:[email protected]:12014>
From: <sip:[email protected]>;tag=2062917371
Call-ID: 8ae45c15425040179a4285d774ccbaf6
CSeq: 1 INVITE
Contact: <sip:127.0.0.1:1234>
Max-Forwards: 70
User-Agent: unittest
Content-Length: 5
Content-Type: application/sdp
dummy";
var sipReqBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummyEP, dummyEP);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipReqBuffer);
string okRespStr =
@"SIP/2.0 200 OK
Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27;rport=12013
To: <sip:[email protected]:12014>
From: <sip:[email protected]>;tag=2062917371
Call-ID: 8ae45c15425040179a4285d774ccbaf6
Contact: <sip:127.0.0.1:1234>
CSeq: 1 INVITE
Content-Length: 5
Content-Type: application/sdp
Proxy-ReceivedFrom: udp:192.168.0.50:5080
dummy";
var sipRespBuffer = SIPMessageBuffer.ParseSIPMessage(okRespStr, dummyEP, dummyEP);
SIPResponse okResponse = SIPResponse.ParseSIPResponse(sipRespBuffer);
SIPTransport transport = new SIPTransport();
transport.AddSIPChannel(new MockSIPChannel(dummyEP.GetIPEndPoint()));
UACInviteTransaction uacTx = new UACInviteTransaction(transport, inviteReq, null);
await uacTx.GotResponse(dummyEP, dummyEP, okResponse);
var dialogue = new SIPDialogue(uacTx);
Assert.NotNull(dialogue);
Assert.Equal(SIPURI.ParseSIPURI("sip:127.0.0.1:1234"), dialogue.RemoteTarget);
Assert.Equal(SIPEndPoint.ParseSIPEndPoint("udp:192.168.0.50:5080"), dialogue.RemoteSIPEndPoint);
logger.LogDebug("---------------------------------------------------");
}
/// <summary>
/// This constructor is used by server user agents or SIP elements acting in a server user agent role. When
/// acting as a server user agent the local fields are contained in the To header and the remote fields are
/// in the From header.
/// </summary>
public SIPDialogue(
UASInviteTransaction uasInviteTransaction,
string owner,
string adminMemberId)
{
Id = Guid.NewGuid();
CallId = uasInviteTransaction.TransactionRequest.Header.CallId;
RouteSet =
(uasInviteTransaction.TransactionFinalResponse != null &&
uasInviteTransaction.TransactionFinalResponse.Header.RecordRoutes != null)
? uasInviteTransaction.TransactionFinalResponse.Header.RecordRoutes.Reversed()
: null;
LocalUserField = uasInviteTransaction.TransactionFinalResponse.Header.To.ToUserField;
LocalTag = uasInviteTransaction.TransactionFinalResponse.Header.To.ToTag;
RemoteUserField = uasInviteTransaction.TransactionFinalResponse.Header.From.FromUserField;
RemoteTag = uasInviteTransaction.TransactionFinalResponse.Header.From.FromTag;
CSeq = uasInviteTransaction.TransactionRequest.Header.CSeq;
CDRId = uasInviteTransaction.CDR.CDRId;
Owner = owner;
AdminMemberId = adminMemberId;
ContentType = uasInviteTransaction.TransactionFinalResponse.Header.ContentType;
SDP = uasInviteTransaction.TransactionFinalResponse.Body;
RemoteSDP = uasInviteTransaction.TransactionRequest.Body;
Inserted = DateTimeOffset.UtcNow;
Direction = SIPCallDirection.In;
//DialogueId = GetDialogueId(CallId, LocalTag, RemoteTag);
RemoteTarget = new SIPURI(uasInviteTransaction.TransactionRequest.URI.Scheme,
SIPEndPoint.ParseSIPEndPoint(uasInviteTransaction.RemoteEndPoint.ToString()));
ProxySendFrom = uasInviteTransaction.TransactionRequest.Header.ProxyReceivedOn;
if (uasInviteTransaction.TransactionRequest.Header.Contact != null &&
uasInviteTransaction.TransactionRequest.Header.Contact.Count > 0)
{
RemoteTarget = uasInviteTransaction.TransactionRequest.Header.Contact[0].ContactURI.CopyOf();
if (!uasInviteTransaction.TransactionRequest.Header.ProxyReceivedFrom.IsNullOrBlank())
{
// Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact.
// Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem.
if (RouteSet == null && IPSocket.IsPrivateAddress(RemoteTarget.Host))
{
SIPEndPoint remoteUASSIPEndPoint =
SIPEndPoint.ParseSIPEndPoint(uasInviteTransaction.TransactionRequest.Header
.ProxyReceivedFrom);
RemoteTarget.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString();
}
}
}
}
/// <summary>
/// Customises the Contact header for an INVITE request or response based on the destination
/// it is being sent to.
/// </summary>
/// <param name="dstEP">The destination end point for the send.</param>
/// <param name="inviteHeader">The original header from the INVITE request or response.</param>
/// <returns>If an adjustment was made then a new SIP header instance is returned. If not, null is returned.</returns>
private SIPHeader CustomiseInviteContactHeader(SIPEndPoint dstEP, SIPHeader inviteHeader)
{
var dstAddress = dstEP.GetIPEndPoint().Address;
// Don't customise if the destination is a private IP address (which means it's staying
// on the same subnet or virtual subnet).
if (!_isPrivateSubnet(dstAddress) && inviteHeader.Contact != null && inviteHeader.Contact.Count == 1)
{
// The priority is use the public IP address fields if they are available (saves DNS lookups) and
// falls back to the hostname if they are not. The exception is if the Contact URI is using a secure
// SIP scheme "sips" in which case the priority is to use any available hostname first.
// Port of 0 is set when user agents set Contact Host to "0.0.0.0:0" which is the method to
// get the transport layer to set it at send time.
bool isDefaultPort = inviteHeader.Contact[0].ContactURI.IsDefaultPort() || inviteHeader.Contact[0].ContactURI.HostPort == "0";
if (inviteHeader.Contact[0].ContactURI.Scheme == SIPSchemesEnum.sips &&
!string.IsNullOrWhiteSpace(_publicContactHostname))
{
var copy = inviteHeader.Copy();
copy.Contact[0].ContactURI.Host = _publicContactHostname;
return(copy);
}
else if (_publicContactIPv4 != null &&
(dstAddress.AddressFamily == AddressFamily.InterNetwork || dstAddress.IsIPv4MappedToIPv6))
{
var copy = inviteHeader.Copy();
copy.Contact[0].ContactURI.Host = isDefaultPort ? _publicContactIPv4.ToString() : $"{_publicContactIPv4}:{inviteHeader.Contact[0].ContactURI.HostPort}";
return(copy);
}
else if (dstAddress.AddressFamily == AddressFamily.InterNetworkV6 && _publicContactIPv6 != null)
{
var copy = inviteHeader.Copy();
copy.Contact[0].ContactURI.Host = isDefaultPort ? $"[{_publicContactIPv6}]" : $"[{_publicContactIPv6}]:{inviteHeader.Contact[0].ContactURI.HostPort}";
return(copy);
}
else if (!string.IsNullOrWhiteSpace(_publicContactHostname))
{
var copy = inviteHeader.Copy();
copy.Contact[0].ContactURI.Host = _publicContactHostname;
return(copy);
}
}
return(null);
}
public async Task TestSetRequestCustomHeaderFuncUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPEndPoint dummyEP = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 5060));
string inviteReqStr =
@"INVITE sip:[email protected]:12014 SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27
To: <sip:[email protected]:12014>
From: <sip:[email protected]>;tag=2062917371
Call-ID: 8ae45c15425040179a4285d774ccbaf6
CSeq: 1 INVITE
Contact: <sip:127.0.0.1:1234>
Max-Forwards: 70
User-Agent: unittest
Content-Length: 5
Content-Type: application/sdp
dummy";
var sipReqBuffer = SIPMessageBuffer.ParseSIPMessage(inviteReqStr, dummyEP, dummyEP);
SIPRequest inviteReq = SIPRequest.ParseSIPRequest(sipReqBuffer);
using (var transport = new SIPTransport())
{
transport.AddSIPChannel(new MockSIPChannel(dummyEP.GetIPEndPoint()));
string contactHost = "devcall.sipsorcery.com";
transport.CustomiseRequestHeader = (local, dst, req) =>
{
var hdr = req.Header.Copy();
hdr.Contact[0].ContactURI.Host = contactHost;
return(hdr);
};
await transport.SendRequestAsync(inviteReq);
logger.LogDebug(inviteReq.ToString());
Assert.Equal(contactHost, inviteReq.Header.Contact[0].ContactURI.Host);
}
}
//public Dictionary<Guid, object> Load(XmlDocument dom)
//{
// return SIPAssetXMLPersistor<SIPRegistrarBinding>.LoadAssetsFromXMLRecordSet(dom);
//}
#endif
/// <summary>
/// Refreshes a binding when the remote network information of the remote or proxy end point has changed.
/// </summary>
public void RefreshBinding(int expiry, SIPEndPoint remoteSIPEndPoint, SIPEndPoint proxySIPEndPoint, SIPEndPoint registrarSIPEndPoint, bool dontMangle)
{
LastUpdate = DateTimeOffset.UtcNow;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
RemovalReason = SIPBindingRemovalReason.Unknown;
m_expiry = expiry;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!dontMangle && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
}
/// <summary></summary>
/// <param name="uacRecvdEndPoint">If this is non-null it indicates the contact header should be mangled based on the public socket the register request was demmed
/// to have originated from rather then relying on the contact value recieved from the uac.</param>
public SIPRegistrarBinding(
SIPAccount sipAccount,
SIPURI bindingURI,
string callId,
int cseq,
string userAgent,
SIPEndPoint remoteSIPEndPoint,
SIPEndPoint proxySIPEndPoint,
SIPEndPoint registrarSIPEndPoint,
int expiry)
{
Id = Guid.NewGuid();
LastUpdate = DateTime.UtcNow;
SIPAccountId = sipAccount.Id;
SIPAccountName = sipAccount.SIPUsername + "@" + sipAccount.SIPDomain;
Owner = sipAccount.Owner;
AdminMemberId = sipAccount.AdminMemberId;
m_contactURI = bindingURI.CopyOf();
m_mangledContactURI = m_contactURI.CopyOf();
CallId = callId;
CSeq = cseq;
UserAgent = userAgent;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!sipAccount.DontMangleEnabled && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
m_expiry = expiry;
}
/// <summary>
/// This constructor is used to create non-INVITE dialogues for example the dialogues used in SIP event interactions
/// where the dialogue is created based on a SUBSCRIBE request.
/// </summary>
public SIPDialogue(
SIPRequest nonInviteRequest,
string owner,
string adminMemberId,
string toTag)
{
Id = Guid.NewGuid();
CallId = nonInviteRequest.Header.CallId;
RouteSet = (nonInviteRequest.Header.RecordRoutes != null)
? nonInviteRequest.Header.RecordRoutes.Reversed()
: null;
RemoteUserField = nonInviteRequest.Header.From.FromUserField;
RemoteTag = nonInviteRequest.Header.From.FromTag;
LocalUserField = nonInviteRequest.Header.To.ToUserField;
LocalUserField.Parameters.Set("tag", toTag);
LocalTag = toTag;
CSeq = nonInviteRequest.Header.CSeq;
Owner = owner;
AdminMemberId = adminMemberId;
Inserted = DateTimeOffset.UtcNow;
Direction = SIPCallDirection.Out;
// Set the dialogue remote target and take care of mangling if an upstream proxy has indicated it's required.
RemoteTarget = nonInviteRequest.Header.Contact[0].ContactURI;
ProxySendFrom = nonInviteRequest.Header.ProxyReceivedOn;
if (!nonInviteRequest.Header.ProxyReceivedFrom.IsNullOrBlank())
{
// Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact.
// Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem.
if (RouteSet == null && IPSocket.IsPrivateAddress(RemoteTarget.Host))
{
SIPEndPoint remoteUASIPEndPoint =
SIPEndPoint.ParseSIPEndPoint(nonInviteRequest.Header.ProxyReceivedFrom);
RemoteTarget.Host = remoteUASIPEndPoint.GetIPEndPoint().ToString();
}
}
}
public void Send2xxAckRequest(string content, string contentType)
{
var sipResponse = m_transactionFinalResponse;
if (sipResponse.Header.To != null)
{
m_remoteTag = sipResponse.Header.To.ToTag;
}
SIPURI ackURI = m_transactionRequest.URI;
if (sipResponse.Header.Contact != null && sipResponse.Header.Contact.Count > 0)
{
ackURI = sipResponse.Header.Contact[0].ContactURI;
// Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem.
if ((sipResponse.Header.RecordRoutes == null || sipResponse.Header.RecordRoutes.Length == 0) &&
IPSocket.IsPrivateAddress(ackURI.Host) && !sipResponse.Header.ProxyReceivedFrom.IsNullOrBlank())
{
// Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact.
SIPEndPoint remoteUASSIPEndPoint =
SIPEndPoint.ParseSIPEndPoint(sipResponse.Header.ProxyReceivedFrom);
ackURI.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString();
}
}
// ACK for 2xx response needs to be a new transaction and gets routed based on SIP request fields.
var ackRequest = GetNewTransactionACKRequest(sipResponse, ackURI, LocalSIPEndPoint);
if (content.NotNullOrBlank())
{
ackRequest.Body = content;
ackRequest.Header.ContentLength = ackRequest.Body.Length;
ackRequest.Header.ContentType = contentType;
}
base.SendRequest(ackRequest);
}
public async Task TestSetResponseContactHostIPAddressUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPEndPoint dummyEP = new SIPEndPoint(new IPEndPoint(IPAddress.Any, 5060));
string okRespStr =
@"SIP/2.0 200 OK
Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27;rport=12013
To: <sip:[email protected]:12014>
From: <sip:[email protected]>;tag=2062917371
Call-ID: 8ae45c15425040179a4285d774ccbaf6
Contact: <sip:127.0.0.1:1234>
CSeq: 1 INVITE
Content-Length: 5
Content-Type: application/sdp
dummy";
var sipRespBuffer = SIPMessageBuffer.ParseSIPMessage(okRespStr, dummyEP, dummyEP);
SIPResponse okResponse = SIPResponse.ParseSIPResponse(sipRespBuffer);
using (var transport = new SIPTransport())
{
transport.AddSIPChannel(new MockSIPChannel(dummyEP.GetIPEndPoint()));
transport.ContactHost = "192.168.0.12";
await transport.SendResponseAsync(okResponse);
logger.LogDebug(okResponse.ToString());
Assert.Equal($"{transport.ContactHost}:5060", okResponse.Header.Contact[0].ContactURI.Host);
}
}
public void AckRecognitionUnitTest()
{
SIPTransport clientTransport = null;
SIPTransport serverTransport = null;
try
{
SIPTransactionEngine clientEngine = new SIPTransactionEngine(); // Client side of the INVITE.
SIPEndPoint clientEndPoint =
new SIPEndPoint(SIPProtocolsEnum.udp, new IPEndPoint(IPAddress.Loopback, 12013));
clientTransport =
new SIPTransport(MockSIPDNSManager.Resolve, clientEngine, new SIPUDPChannel(clientEndPoint.GetIPEndPoint()), false);
SetTransportTraceEvents(clientTransport);
SIPTransactionEngine serverEngine = new SIPTransactionEngine(); // Server side of the INVITE.
UASInviteTransaction serverTransaction = null;
SIPEndPoint serverEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 12014));
serverTransport =
new SIPTransport(MockSIPDNSManager.Resolve, serverEngine, new SIPUDPChannel(serverEndPoint.GetIPEndPoint()), false);
SetTransportTraceEvents(serverTransport);
serverTransport.SIPTransportRequestReceived += (localEndPoint, remoteEndPoint, sipRequest) =>
{
Console.WriteLine("Server Transport Request In: " + sipRequest.Method + ".");
serverTransaction =
serverTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localEndPoint, null);
SetTransactionTraceEvents(serverTransaction);
serverTransaction.GotRequest(localEndPoint, remoteEndPoint, sipRequest);
};
SIPURI dummyURI = SIPURI.ParseSIPURI("sip:dummy@" + serverEndPoint);
SIPRequest inviteRequest = GetDummyINVITERequest(dummyURI);
inviteRequest.LocalSIPEndPoint = clientTransport.GetDefaultTransportContact(SIPProtocolsEnum.udp);
// Send the invite to the server side.
UACInviteTransaction clientTransaction =
new UACInviteTransaction(clientTransport, inviteRequest, serverEndPoint, clientEndPoint, null);
SetTransactionTraceEvents(clientTransaction);
clientEngine.AddTransaction(clientTransaction);
clientTransaction.SendInviteRequest(serverEndPoint, inviteRequest);
Thread.Sleep(500);
Assert.IsTrue(clientTransaction.TransactionState == SIPTransactionStatesEnum.Completed, "Client transaction in incorrect state.");
Assert.IsTrue(serverTransaction.TransactionState == SIPTransactionStatesEnum.Confirmed, "Server transaction in incorrect state.");
}
finally
{
if (clientTransport != null)
{
clientTransport.Shutdown();
}
if (serverTransport != null)
{
serverTransport.Shutdown();
}
}
}
/// <summary>
/// Refreshes a binding when the remote network information of the remote or proxy end point has changed.
/// </summary>
public void RefreshBinding(int expiry, SIPEndPoint remoteSIPEndPoint, SIPEndPoint proxySIPEndPoint, SIPEndPoint registrarSIPEndPoint, bool dontMangle)
{
LastUpdate = DateTimeOffset.UtcNow;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
RemovalReason = SIPBindingRemovalReason.Unknown;
m_expiry = expiry;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!dontMangle && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
}
/// <summary></summary>
/// <param name="uacRecvdEndPoint">If this is non-null it indicates the contact header should be mangled based on the public socket the register request was demmed
/// to have originated from rather then relying on the contact value recieved from the uac.</param>
public SIPRegistrarBinding(
SIPAccount sipAccount,
SIPURI bindingURI,
string callId,
int cseq,
string userAgent,
SIPEndPoint remoteSIPEndPoint,
SIPEndPoint proxySIPEndPoint,
SIPEndPoint registrarSIPEndPoint,
int expiry)
{
Id = Guid.NewGuid();
LastUpdate = DateTime.UtcNow;
SIPAccountId = sipAccount.Id;
SIPAccountName = sipAccount.SIPUsername + "@" + sipAccount.SIPDomain;
Owner = sipAccount.Owner;
AdminMemberId = sipAccount.AdminMemberId;
m_contactURI = bindingURI.CopyOf();
m_mangledContactURI = m_contactURI.CopyOf();
CallId = callId;
CSeq = cseq;
UserAgent = userAgent;
RemoteSIPEndPoint = remoteSIPEndPoint;
m_proxySIPEndPoint = proxySIPEndPoint;
m_registrarSIPEndPoint = registrarSIPEndPoint;
//if (SIPTransport.IsPrivateAddress(sipRequest.Header.Contact[0].ContactURI.Host) && m_mangleUACContact)
if (!sipAccount.DontMangleEnabled && Regex.Match(m_mangledContactURI.Host, @"(\d+\.){3}\d+").Success)
{
// The Contact URI Host is used by registrars as the contact socket for the user so it needs to be changed to reflect the socket
// the intial request was received on in order to work around NAT. It's no good just relying on private addresses as a lot of User Agents
// determine their public IP but NOT their public port so they send the wrong port in the Contact header.
//logger.Debug("Mangling contact header from " + m_mangledContactURI.Host + " to " + IPSocket.GetSocketString(uacRecvdEndPoint) + ".");
m_mangledContactURI.Host = remoteSIPEndPoint.GetIPEndPoint().ToString();
}
m_expiry = expiry;
}
/// <summary>
/// Establishes a new call with the client end tied to the proxy. Since the proxy will not be sending any audio the idea is that once
/// the call is up it should be re-INVITED off somewhere else pronto to avoid the callee sitting their listening to dead air.
/// </summary>
/// <param name="dest1">The dial string of the first call to place.</param>
/// <param name="dest2">The dial string of the second call to place.</param>
/// <param name="delaySeconds">Delay in seconds before placing the first call. Gives the user a chance to hangup their phone if they are calling themselves back.</param>
/// <param name="ringTimeoutLeg1">The ring timeout for the first call leg, If 0 the max timeout will be used.</param>
/// <param name="ringTimeoutLeg1">The ring timeout for the second call leg, If 0 the max timeout will be used.</param>
/// <param name="customHeadersCallLeg1">A | delimited string that contains a list of custom SIP headers to add to the INVITE request sent for the first call leg.</param>
/// /// <param name="customHeadersCallLeg2">A | delimited string that contains a list of custom SIP headers to add to the INVITE request sent for the second call leg.</param>
/// <returns>The result of the call.</returns>
public void Callback(string dest1, string dest2, int delaySeconds, int ringTimeoutLeg1, int ringTimeoutLeg2, string customHeadersCallLeg1, string customHeadersCallLeg2)
{
var ts = new CancellationTokenSource();
CancellationToken ct = ts.Token;
try
{
if (delaySeconds > 0)
{
delaySeconds = (delaySeconds > MAXCALLBACK_DELAY_SECONDS) ? MAXCALLBACK_DELAY_SECONDS : delaySeconds;
Log("Callback app delaying by " + delaySeconds + "s.");
Thread.Sleep(delaySeconds * 1000);
}
Log("Callback app commencing first leg to " + dest1 + ".");
SIPEndPoint defaultUDPEP = m_sipTransport.GetDefaultSIPEndPoint(SIPProtocolsEnum.udp);
SIPRequest firstLegDummyInviteRequest = GetCallbackInviteRequest(defaultUDPEP.GetIPEndPoint(), null);
ForkCall firstLegCall = new ForkCall(m_sipTransport, Log_External, m_callManager.QueueNewCall, null, m_username, m_adminMemberId, m_outboundProxy, m_callManager, null);
m_firstLegDialogue = Dial(firstLegCall, dest1, ringTimeoutLeg1, 0, firstLegDummyInviteRequest, SIPCallDescriptor.ParseCustomHeaders(customHeadersCallLeg1));
if (m_firstLegDialogue == null)
{
Log("The first call leg to " + dest1 + " was unsuccessful.");
return;
}
// Persist the dialogue to the database so any hangup can be detected.
m_sipDialoguePersistor.Add(new SIPDialogueAsset(m_firstLegDialogue));
SDP firstLegSDP = SDP.ParseSDPDescription(m_firstLegDialogue.RemoteSDP);
string call1SDPIPAddress = firstLegSDP.Connection.ConnectionAddress;
int call1SDPPort = firstLegSDP.Media[0].Port;
Log("The first call leg to " + dest1 + " was successful, audio socket=" + call1SDPIPAddress + ":" + call1SDPPort + ".");
Log("Callback app commencing second leg to " + dest2 + ".");
SIPRequest secondLegDummyInviteRequest = GetCallbackInviteRequest(defaultUDPEP.GetIPEndPoint(), m_firstLegDialogue.RemoteSDP);
ForkCall secondLegCall = new ForkCall(m_sipTransport, Log_External, m_callManager.QueueNewCall, null, m_username, m_adminMemberId, m_outboundProxy, m_callManager, null);
Task.Factory.StartNew(() =>
{
while (true)
{
Thread.Sleep(CHECK_FIRST_LEG_FOR_HANGUP_PERIOD);
Console.WriteLine("Checking if first call leg is still up...");
if (ct.IsCancellationRequested)
{
Console.WriteLine("Checking first call leg task was cancelled.");
break;
}
else
{
// Check that the first call leg hasn't been hung up.
var dialog = m_sipDialoguePersistor.Get(m_firstLegDialogue.Id);
if (dialog == null)
{
Console.WriteLine("First call leg has been hungup.");
// The first call leg has been hungup while waiting for the second call.
Log("The first call leg was hungup while the second call leg was waiting for an answer.");
secondLegCall.CancelNotRequiredCallLegs(CallCancelCause.ClientCancelled);
break;
}
}
}
Console.WriteLine("Checking first call leg task finished...");
}, ct);
SIPDialogue secondLegDialogue = Dial(secondLegCall, dest2, ringTimeoutLeg2, 0, secondLegDummyInviteRequest, SIPCallDescriptor.ParseCustomHeaders(customHeadersCallLeg2));
ts.Cancel();
if (secondLegDialogue == null)
{
Log("The second call leg to " + dest2 + " was unsuccessful.");
m_firstLegDialogue.Hangup(m_sipTransport, m_outboundProxy);
return;
}
// Check that the first call leg hasn't been hung up.
var firstLegDialog = m_sipDialoguePersistor.Get(m_firstLegDialogue.Id);
if (firstLegDialog == null)
{
// The first call leg has been hungup while waiting for the second call.
Log("The first call leg was hungup while waiting for the second call leg.");
secondLegDialogue.Hangup(m_sipTransport, m_outboundProxy);
return;
}
SDP secondLegSDP = SDP.ParseSDPDescription(secondLegDialogue.RemoteSDP);
string call2SDPIPAddress = secondLegSDP.Connection.ConnectionAddress;
int call2SDPPort = secondLegSDP.Media[0].Port;
Log("The second call leg to " + dest2 + " was successful, audio socket=" + call2SDPIPAddress + ":" + call2SDPPort + ".");
// Persist the second leg dialogue and update the bridge ID on the first call leg.
Guid bridgeId = Guid.NewGuid();
secondLegDialogue.BridgeId = bridgeId;
m_sipDialoguePersistor.Add(new SIPDialogueAsset(secondLegDialogue));
m_sipDialoguePersistor.UpdateProperty(firstLegDialog.Id, "BridgeID", bridgeId.ToString());
//m_callManager.CreateDialogueBridge(m_firstLegDialogue, secondLegDialogue, m_username);
Log("Re-inviting Callback dialogues to each other.");
m_callManager.ReInvite(m_firstLegDialogue, secondLegDialogue);
//m_callManager.ReInvite(secondLegDialogue, m_firstLegDialogue.RemoteSDP);
SendRTPPacket(call2SDPIPAddress + ":" + call2SDPPort, call1SDPIPAddress + ":" + call1SDPPort);
SendRTPPacket(call1SDPIPAddress + ":" + call1SDPPort, call2SDPIPAddress + ":" + call2SDPPort);
}
catch (Exception excp)
{
logger.Error("Exception CallbackApp. " + excp);
Log("Exception in Callback. " + excp);
}
finally
{
if (!ts.IsCancellationRequested)
{
ts.Cancel();
}
}
}
/// <summary>
/// Authenticates a SIP request.
/// </summary>
public static SIPRequestAuthenticationResult AuthenticateSIPRequest(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest, SIPAccount sipAccount, SIPMonitorLogDelegate logSIPMonitorEvent)
{
try
{
if (sipAccount == null)
{
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.Forbidden, null));
}
else if (sipAccount.IsDisabled)
{
if (logSIPMonitorEvent != null)
{
logSIPMonitorEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Authoriser, SIPMonitorEventTypesEnum.DialPlan, "SIP account " + sipAccount.SIPUsername + "@" + sipAccount.SIPDomain + " is disabled for " + sipRequest.Method + ".", sipAccount.Owner));
}
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.Forbidden, null));
}
else
{
SIPAuthenticationHeader reqAuthHeader = sipRequest.Header.AuthenticationHeader;
if (reqAuthHeader == null)
{
// Check for IP address authentication.
if (!sipAccount.IPAddressACL.IsNullOrBlank())
{
SIPEndPoint uaEndPoint = (!sipRequest.Header.ProxyReceivedFrom.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedFrom) : remoteEndPoint;
if (Regex.Match(uaEndPoint.GetIPEndPoint().ToString(), sipAccount.IPAddressACL).Success)
{
// Successfully authenticated
return(new SIPRequestAuthenticationResult(true, true));
}
}
SIPAuthenticationHeader authHeader = new SIPAuthenticationHeader(SIPAuthorisationHeadersEnum.WWWAuthenticate, sipAccount.SIPDomain, GetNonce());
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.Unauthorised, authHeader));
}
else
{
// Check for IP address authentication.
if (!sipAccount.IPAddressACL.IsNullOrBlank())
{
SIPEndPoint uaEndPoint = (!sipRequest.Header.ProxyReceivedFrom.IsNullOrBlank()) ? SIPEndPoint.ParseSIPEndPoint(sipRequest.Header.ProxyReceivedFrom) : remoteEndPoint;
if (Regex.Match(uaEndPoint.GetIPEndPoint().ToString(), sipAccount.IPAddressACL).Success)
{
// Successfully authenticated
return(new SIPRequestAuthenticationResult(true, true));
}
}
string requestNonce = reqAuthHeader.SIPDigest.Nonce;
string uri = reqAuthHeader.SIPDigest.URI;
string response = reqAuthHeader.SIPDigest.Response;
// Check for stale nonces.
if (IsNonceStale(requestNonce))
{
if (logSIPMonitorEvent != null)
{
logSIPMonitorEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Authoriser, SIPMonitorEventTypesEnum.Warn, "Authentication failed stale nonce for realm=" + sipAccount.SIPDomain + ", username="******", uri=" + uri + ", nonce=" + requestNonce + ", method=" + sipRequest.Method + ".", null));
}
SIPAuthenticationHeader authHeader = new SIPAuthenticationHeader(SIPAuthorisationHeadersEnum.WWWAuthenticate, sipAccount.SIPDomain, GetNonce());
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.Unauthorised, authHeader));
}
else
{
SIPAuthorisationDigest checkAuthReq = reqAuthHeader.SIPDigest;
checkAuthReq.SetCredentials(sipAccount.SIPUsername, sipAccount.SIPPassword, uri, sipRequest.Method.ToString());
string digest = checkAuthReq.Digest;
if (digest == response)
{
// Successfully authenticated
return(new SIPRequestAuthenticationResult(true, false));
}
else
{
if (logSIPMonitorEvent != null)
{
logSIPMonitorEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Authoriser, SIPMonitorEventTypesEnum.Warn, "Authentication token check failed for realm=" + sipAccount.SIPDomain + ", username="******", uri=" + uri + ", nonce=" + requestNonce + ", method=" + sipRequest.Method + ".", sipAccount.Owner));
}
SIPAuthenticationHeader authHeader = new SIPAuthenticationHeader(SIPAuthorisationHeadersEnum.WWWAuthenticate, sipAccount.SIPDomain, GetNonce());
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.Unauthorised, authHeader));
}
}
}
}
}
catch (Exception excp)
{
if (logSIPMonitorEvent != null)
{
logSIPMonitorEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Authoriser, SIPMonitorEventTypesEnum.Error, "Exception AuthoriseSIPRequest. " + excp.Message, null));
}
return(new SIPRequestAuthenticationResult(SIPResponseStatusCodesEnum.InternalServerError, null));
}
}
public void Start()
{
try
{
logger.Debug("pid=" + Process.GetCurrentProcess().Id + ".");
logger.Debug("os=" + System.Environment.OSVersion + ".");
logger.Debug("current directory=" + m_currentDirectory + ".");
logger.Debug("base directory=" + AppDomain.CurrentDomain.BaseDirectory + ".");
SIPDNSManager.SIPMonitorLogEvent = FireSIPMonitorEvent;
m_sipSorceryPersistor = new SIPSorceryPersistor(m_storageType, m_connectionString);
m_customerSessionManager = new CustomerSessionManager(m_storageType, m_connectionString);
m_cdrDataLayer = new Entities.CDRDataLayer();
if (m_sipProxyEnabled)
{
m_sipProxyDaemon = new SIPProxyDaemon();
m_sipProxyDaemon.Start();
if (m_sipProxyDaemon.PublicIPAddress != null)
{
m_publicIPAddress = m_sipProxyDaemon.PublicIPAddress;
DialStringParser.PublicIPAddress = m_sipProxyDaemon.PublicIPAddress;
DialPlanScriptFacade.PublicIPAddress = m_sipProxyDaemon.PublicIPAddress;
SIPDialogueManager.PublicIPAddress = m_sipProxyDaemon.PublicIPAddress;
}
else
{
m_sipProxyDaemon.PublicIPAddressUpdated += (ipAddress) =>
{
if (ipAddress != null && (m_publicIPAddress == null || ipAddress.ToString() != m_publicIPAddress.ToString()))
{
m_publicIPAddress = ipAddress;
DialStringParser.PublicIPAddress = ipAddress;
DialPlanScriptFacade.PublicIPAddress = ipAddress;
SIPDialogueManager.PublicIPAddress = ipAddress;
}
};
}
}
if (m_sipMonitorEnabled)
{
m_sipMonitorPublisher = new SIPMonitorClientManager(null);
m_sipMonitorDaemon = new SIPMonitorDaemon(m_sipMonitorPublisher);
m_sipMonitorDaemon.Start();
}
if (m_sipRegistrarEnabled)
{
m_sipRegistrarDaemon = new SIPRegistrarDaemon(
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_customerSessionManager.CustomerPersistor);
m_sipRegistrarDaemon.Start();
}
if (m_sipRegAgentEnabled)
{
m_sipRegAgentDaemon = new SIPRegAgentDaemon(
m_sipSorceryPersistor.SIPProvidersPersistor,
m_sipSorceryPersistor.SIPProviderBindingsPersistor);
m_sipRegAgentDaemon.Start();
}
if (m_sipNotifierEnabled)
{
m_sipNotifierDaemon = new SIPNotifierDaemon(
m_customerSessionManager.CustomerPersistor.Get,
m_sipSorceryPersistor.SIPDialoguePersistor.Get,
m_sipSorceryPersistor.SIPDialoguePersistor.Get,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
m_sipSorceryPersistor.SIPAccountsPersistor,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor.Get,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor.Count,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_sipMonitorPublisher);
//new SIPMonitorUDPSink("127.0.0.1:10003"));
m_sipNotifierDaemon.Start();
}
if (m_sshServerEnabled)
{
SSHServerDaemon daemon = new SSHServerDaemon(m_customerSessionManager, m_sipMonitorPublisher); // Uses memory to transfer events.
//SSHServerDaemon daemon = new SSHServerDaemon(m_customerSessionManager, new SIPMonitorUDPSink("127.0.0.1:10002"));
daemon.Start();
}
#region Initialise the SIP Application Server and its logging mechanisms including CDRs.
logger.Debug("Initiating SIP Application Server Agent.");
// Send events from this process to the monitoring socket.
if (m_monitorEventLoopbackPort != 0)
{
m_monitorEventWriter = new SIPMonitorEventWriter(m_monitorEventLoopbackPort);
}
if (m_cdrDataLayer != null)
{
SIPCDR.CDRCreated += m_cdrDataLayer.Add;
SIPCDR.CDRAnswered += m_cdrDataLayer.Update;
SIPCDR.CDRHungup += m_cdrDataLayer.Update;
SIPCDR.CDRUpdated += m_cdrDataLayer.Update;
}
#region Initialise the SIPTransport layers.
m_sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine(), true);
if (m_appServerEndPoint != null)
{
if (m_appServerEndPoint.Protocol == SIPProtocolsEnum.udp)
{
logger.Debug("Using single SIP transport socket for App Server " + m_appServerEndPoint.ToString() + ".");
m_sipTransport.AddSIPChannel(new SIPUDPChannel(m_appServerEndPoint.GetIPEndPoint()));
}
else if (m_appServerEndPoint.Protocol == SIPProtocolsEnum.tcp)
{
logger.Debug("Using single SIP transport socket for App Server " + m_appServerEndPoint.ToString() + ".");
m_sipTransport.AddSIPChannel(new SIPTCPChannel(m_appServerEndPoint.GetIPEndPoint()));
}
else
{
throw new ApplicationException("The SIP End Point of " + m_appServerEndPoint + " cannot be used with the App Server transport layer.");
}
}
else if (m_sipAppServerSocketsNode != null)
{
m_sipTransport.AddSIPChannel(SIPTransportConfig.ParseSIPChannelsNode(m_sipAppServerSocketsNode));
}
else
{
throw new ApplicationException("The SIP App Server could not be started, no SIP sockets have been configured.");
}
m_sipTransport.SIPRequestInTraceEvent += LogSIPRequestIn;
m_sipTransport.SIPRequestOutTraceEvent += LogSIPRequestOut;
m_sipTransport.SIPResponseInTraceEvent += LogSIPResponseIn;
m_sipTransport.SIPResponseOutTraceEvent += LogSIPResponseOut;
m_sipTransport.SIPBadRequestInTraceEvent += LogSIPBadRequestIn;
m_sipTransport.SIPBadResponseInTraceEvent += LogSIPBadResponseIn;
#endregion
m_dialPlanEngine = new DialPlanEngine(
m_sipTransport,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
FireSIPMonitorEvent,
m_sipSorceryPersistor,
//m_sipSorceryPersistor.SIPAccountsPersistor,
//m_sipSorceryPersistor.SIPRegistrarBindingPersistor.Get,
//m_sipSorceryPersistor.SIPDialPlanPersistor,
//m_sipSorceryPersistor.SIPDialoguePersistor,
m_outboundProxy,
m_rubyScriptCommonPath,
m_dialplanImpersonationUsername,
m_dialplanImpersonationPassword,
m_maxDialPlanExecutionLimit);
m_sipDialogueManager = new SIPDialogueManager(
m_sipTransport,
m_outboundProxy,
FireSIPMonitorEvent,
m_sipSorceryPersistor.SIPDialoguePersistor,
m_sipSorceryPersistor.SIPCDRPersistor,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPDomainManager.GetDomain);
m_callManager = new SIPCallManager(
m_sipTransport,
m_outboundProxy,
FireSIPMonitorEvent,
m_sipDialogueManager,
m_sipSorceryPersistor.SIPDialoguePersistor,
m_sipSorceryPersistor.SIPCDRPersistor,
m_dialPlanEngine,
m_sipSorceryPersistor.SIPDialPlanPersistor.Get,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor.Get,
m_sipSorceryPersistor.SIPProvidersPersistor.Get,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
m_customerSessionManager.CustomerPersistor,
m_sipSorceryPersistor.SIPDialPlanPersistor,
m_traceDirectory,
m_monitorCalls,
m_dailyCallLimit);
m_callManager.Start();
m_appServerCore = new SIPAppServerCore(
m_sipTransport,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
FireSIPMonitorEvent,
m_callManager,
m_sipDialogueManager,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_outboundProxy);
m_rtccCore = new RTCCCore(
FireSIPMonitorEvent,
m_sipDialogueManager,
m_sipSorceryPersistor.SIPDialoguePersistor);
m_rtccCore.Start();
m_rateUpdater = new RateBulkUpdater(FireSIPMonitorEvent);
m_rateUpdater.Start();
#endregion
#region Initialise WCF services.
try
{
if (WCFUtility.DoesWCFServiceExist(typeof(SIPProvisioningWebService).FullName.ToString()))
{
if (m_sipSorceryPersistor == null)
{
logger.Warn("Provisioning hosted service could not be started as Persistor object was null.");
}
else
{
SIPProviderBindingSynchroniser sipProviderBindingSynchroniser = new SIPProviderBindingSynchroniser(m_sipSorceryPersistor.SIPProviderBindingsPersistor);
m_sipSorceryPersistor.SIPProvidersPersistor.Added += sipProviderBindingSynchroniser.SIPProviderAdded;
m_sipSorceryPersistor.SIPProvidersPersistor.Updated += sipProviderBindingSynchroniser.SIPProviderUpdated;
m_sipSorceryPersistor.SIPProvidersPersistor.Deleted += sipProviderBindingSynchroniser.SIPProviderDeleted;
ProvisioningServiceInstanceProvider instanceProvider = new ProvisioningServiceInstanceProvider(
m_sipSorceryPersistor.SIPAccountsPersistor,
m_sipSorceryPersistor.SIPDialPlanPersistor,
m_sipSorceryPersistor.SIPProvidersPersistor,
m_sipSorceryPersistor.SIPProviderBindingsPersistor,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor,
m_sipSorceryPersistor.SIPDialoguePersistor,
m_sipSorceryPersistor.SIPCDRPersistor,
m_customerSessionManager,
m_sipSorceryPersistor.SIPDomainManager,
FireSIPMonitorEvent,
0,
false);
m_sipProvisioningHost = new ServiceHost(typeof(SIPProvisioningWebService));
m_sipProvisioningHost.Description.Behaviors.Add(instanceProvider);
m_sipProvisioningHost.Open();
if (m_sipRegAgentDaemon == null)
{
m_sipRegAgentDaemon = new SIPRegAgentDaemon(
m_sipSorceryPersistor.SIPProvidersPersistor,
m_sipSorceryPersistor.SIPProviderBindingsPersistor);
}
logger.Debug("Provisioning hosted service successfully started on " + m_sipProvisioningHost.BaseAddresses[0].AbsoluteUri + ".");
}
}
}
catch (Exception excp)
{
logger.Warn("Exception starting Provisioning hosted service. " + excp.Message);
}
try
{
if (WCFUtility.DoesWCFServiceExist(typeof(CrossDomainService).FullName.ToString()))
{
m_accessPolicyHost = new ServiceHost(typeof(CrossDomainService));
m_accessPolicyHost.Open();
logger.Debug("CrossDomain hosted service successfully started on " + m_accessPolicyHost.BaseAddresses[0].AbsoluteUri + ".");
}
}
catch (Exception excp)
{
logger.Warn("Exception starting CrossDomain hosted service. " + excp.Message);
}
try
{
if (WCFUtility.DoesWCFServiceExist(typeof(CallManagerServices).FullName.ToString()))
{
CallManagerServiceInstanceProvider callManagerSvcInstanceProvider = new CallManagerServiceInstanceProvider(m_callManager, m_sipDialogueManager);
Uri callManagerBaseAddress = null;
if (m_callManagerServiceAddress != null)
{
logger.Debug("Adding service address to Call Manager Service " + m_callManagerServiceAddress + ".");
callManagerBaseAddress = new Uri(m_callManagerServiceAddress);
}
if (callManagerBaseAddress != null)
{
m_callManagerSvcHost = new ServiceHost(typeof(CallManagerServices), callManagerBaseAddress);
}
else
{
m_callManagerSvcHost = new ServiceHost(typeof(CallManagerServices));
}
m_callManagerSvcHost.Description.Behaviors.Add(callManagerSvcInstanceProvider);
m_callManagerSvcHost.Open();
logger.Debug("CallManager hosted service successfully started on " + m_callManagerSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
}
catch (Exception excp)
{
logger.Warn("Exception starting CallManager hosted service. " + excp.Message);
}
if (WCFUtility.DoesWCFServiceExist(typeof(SIPNotifierService).FullName.ToString()))
{
if (m_sipMonitorPublisher != null)
{
try
{
SIPNotifierService notifierService = new SIPNotifierService(m_sipMonitorPublisher, m_customerSessionManager);
m_sipNotificationsHost = new ServiceHost(notifierService);
m_sipNotificationsHost.Open();
logger.Debug("SIPNotificationsService hosted service successfully started on " + m_sipNotificationsHost.BaseAddresses[0].AbsoluteUri + ".");
}
catch (Exception excp)
{
logger.Warn("Exception starting SIPNotificationsService hosted service. " + excp.Message);
}
}
}
#endregion
}
catch (Exception excp)
{
logger.Error("Exception SIPAppServerDaemon Start. " + excp.Message);
throw excp;
}
}
/// <summary>
/// Sends the SIP INVITE probe request.
/// </summary>
public void SendProbe()
{
try
{
if (WorkerProcess == null)
{
logger.Debug("When attempting to send probe the worker process was null. Marking for immediate restart.");
NeedsImmediateRestart = true;
}
else if (WorkerProcess.HasExited)
{
logger.Debug("When attempting to send probe the worker had exited. Marking for immediate restart.");
NeedsImmediateRestart = true;
}
else if (m_probeUAC != null && !m_probeUAC.IsUACAnswered)
{
// A probe call has timed out.
m_probeUAC.Cancel();
m_missedProbes++;
if (m_missedProbes >= m_missedProbesLimit)
{
logger.Warn(m_missedProbes + " probes missed for " + AppServerEndpoint.ToString() + ". Marking for immediate restart.");
NeedsImmediateRestart = true;
}
}
if (!NeedsImmediateRestart && !NeedsToRestart)
{
m_probeCount++;
//logger.Debug("Sending probe " + m_probeCount + " to " + AppServerEndpoint.GetIPEndPoint().ToString() + ".");
DateTime probeSentAt = DateTime.Now;
SIPCallDescriptor callDescriptor = new SIPCallDescriptor(m_dispatcherUsername, null, "sip:" + m_dispatcherUsername + "@" + AppServerEndpoint.GetIPEndPoint().ToString(),
"sip:" + m_dispatcherUsername + "@sipcalldispatcher", "sip:" + AppServerEndpoint.GetIPEndPoint().ToString(), null, null, null, SIPCallDirection.Out, null, null, null);
m_probeUAC = new SIPClientUserAgent(m_sipTransport, null, null, null, null, null, null, null, null, null);
m_probeUAC.CallAnswered += (call, sipResponse) =>
{
//logger.Debug("Probe response received for " + AppServerEndpoint.ToString() + ".");
if (sipResponse.Status != SIPResponseStatusCodesEnum.BadExtension)
//if (sipResponse.Status != SIPResponseStatusCodesEnum.InternalServerError)
{
logger.Warn("Probe to " + AppServerEndpoint.ToString() + " answered incorrectly on probe number " + m_probeCount + " after "
+ DateTime.Now.Subtract(probeSentAt).TotalSeconds.ToString("0.##") + "s, unexpected response of " + ((int)sipResponse.StatusCode) + ".");
NeedsImmediateRestart = true;
}
else
{
m_gotInitialProbeResponse = true;
}
if (m_initialResponseMRE != null)
{
m_initialResponseMRE.Set();
}
};
m_probeUAC.Call(callDescriptor);
}
}
catch (Exception excp)
{
logger.Error("Exception SendProbe. " + excp.Message);
}
}
public void Start()
{
try
{
logger.Debug("pid=" + Process.GetCurrentProcess().Id + ".");
logger.Debug("os=" + System.Environment.OSVersion + ".");
logger.Debug("current directory=" + m_currentDirectory + ".");
logger.Debug("base directory=" + AppDomain.CurrentDomain.BaseDirectory + ".");
SIPDNSManager.SIPMonitorLogEvent = FireSIPMonitorEvent;
m_sipSorceryPersistor = new SIPSorceryPersistor(m_storageType, m_connectionString);
m_customerSessionManager = new CustomerSessionManager(m_storageType, m_connectionString);
m_cdrDataLayer = new Entities.CDRDataLayer();
#region Initialise the SIP Application Server and its logging mechanisms including CDRs.
logger.Debug("Initiating SIP Application Server Agent.");
// Send events from this process to the monitoring socket.
if (m_monitorEventLoopbackPort != 0)
{
m_monitorEventWriter = new SIPMonitorEventWriter(m_monitorEventLoopbackPort);
}
if (m_cdrDataLayer != null)
{
SIPCDR.CDRCreated += m_cdrDataLayer.Add;
SIPCDR.CDRAnswered += m_cdrDataLayer.Update;
SIPCDR.CDRHungup += m_cdrDataLayer.Update;
SIPCDR.CDRUpdated += m_cdrDataLayer.Update;
}
#region Initialise the SIPTransport layers.
m_sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine(), true);
if (m_appServerEndPoint != null)
{
if (m_appServerEndPoint.Protocol == SIPProtocolsEnum.udp)
{
logger.Debug("Using single SIP transport socket for App Server " + m_appServerEndPoint.ToString() + ".");
m_sipTransport.AddSIPChannel(new SIPUDPChannel(m_appServerEndPoint.GetIPEndPoint()));
}
else if (m_appServerEndPoint.Protocol == SIPProtocolsEnum.tcp)
{
logger.Debug("Using single SIP transport socket for App Server " + m_appServerEndPoint.ToString() + ".");
m_sipTransport.AddSIPChannel(new SIPTCPChannel(m_appServerEndPoint.GetIPEndPoint()));
}
else
{
throw new ApplicationException("The SIP End Point of " + m_appServerEndPoint + " cannot be used with the App Server transport layer.");
}
}
else if (m_sipAppServerSocketsNode != null)
{
m_sipTransport.AddSIPChannel(SIPTransportConfig.ParseSIPChannelsNode(m_sipAppServerSocketsNode));
}
else
{
throw new ApplicationException("The SIP App Server could not be started, no SIP sockets have been configured.");
}
m_sipTransport.SIPRequestInTraceEvent += LogSIPRequestIn;
m_sipTransport.SIPRequestOutTraceEvent += LogSIPRequestOut;
m_sipTransport.SIPResponseInTraceEvent += LogSIPResponseIn;
m_sipTransport.SIPResponseOutTraceEvent += LogSIPResponseOut;
m_sipTransport.SIPBadRequestInTraceEvent += LogSIPBadRequestIn;
m_sipTransport.SIPBadResponseInTraceEvent += LogSIPBadResponseIn;
#endregion
m_dialPlanEngine = new DialPlanEngine(
m_sipTransport,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
FireSIPMonitorEvent,
m_sipSorceryPersistor,
m_outboundProxy,
m_rubyScriptCommonPath,
m_dialplanImpersonationUsername,
m_dialplanImpersonationPassword,
m_maxDialPlanExecutionLimit);
m_sipDialogueManager = new SIPDialogueManager(
m_sipTransport,
m_outboundProxy,
FireSIPMonitorEvent,
m_sipSorceryPersistor.SIPDialoguePersistor,
m_sipSorceryPersistor.SIPCDRPersistor,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPDomainManager.GetDomain);
m_callManager = new SIPCallManager(
m_sipTransport,
m_outboundProxy,
FireSIPMonitorEvent,
m_sipDialogueManager,
m_sipSorceryPersistor.SIPDialoguePersistor,
m_sipSorceryPersistor.SIPCDRPersistor,
m_dialPlanEngine,
m_sipSorceryPersistor.SIPDialPlanPersistor.Get,
m_sipSorceryPersistor.SIPAccountsPersistor.Get,
m_sipSorceryPersistor.SIPRegistrarBindingPersistor.Get,
m_sipSorceryPersistor.SIPProvidersPersistor.Get,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
m_customerSessionManager.CustomerPersistor,
m_sipSorceryPersistor.SIPDialPlanPersistor,
m_traceDirectory,
m_monitorCalls,
m_dailyCallLimit);
m_callManager.Start();
GetSIPAccountDelegate getSIPAccount = (username, domain) => {
return(m_sipSorceryPersistor.SIPAccountsPersistor.Get(x => x.SIPUsername == username && x.SIPDomain == domain).SIPAccount);
};
m_appServerCore = new SIPAppServerCore(
m_sipTransport,
m_sipSorceryPersistor.SIPDomainManager.GetDomain,
getSIPAccount,
FireSIPMonitorEvent,
m_callManager,
m_sipDialogueManager,
SIPRequestAuthenticator.AuthenticateSIPRequest,
m_outboundProxy);
#endregion
#region Initialise WCF services.
try
{
if (WCFUtility.DoesWCFServiceExist(typeof(CallManagerServices).FullName.ToString()))
{
CallManagerServiceInstanceProvider callManagerSvcInstanceProvider = new CallManagerServiceInstanceProvider(m_callManager, m_sipDialogueManager);
Uri callManagerBaseAddress = null;
if (m_callManagerServiceAddress != null)
{
logger.Debug("Adding service address to Call Manager Service " + m_callManagerServiceAddress + ".");
callManagerBaseAddress = new Uri(m_callManagerServiceAddress);
}
if (callManagerBaseAddress != null)
{
m_callManagerSvcHost = new ServiceHost(typeof(CallManagerServices), callManagerBaseAddress);
}
else
{
m_callManagerSvcHost = new ServiceHost(typeof(CallManagerServices));
}
m_callManagerSvcHost.Description.Behaviors.Add(callManagerSvcInstanceProvider);
m_callManagerSvcHost.Open();
logger.Debug("CallManager hosted service successfully started on " + m_callManagerSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
}
catch (Exception excp)
{
logger.Warn("Exception starting CallManager hosted service. " + excp.Message);
}
#endregion
}
catch (Exception excp)
{
logger.Error("Exception SIPAppServerDaemon Start. " + excp.Message);
throw excp;
}
}
/// <summary>
/// Sends the SIP INVITE probe request.
/// </summary>
private void ProbeWorker(SIPAppServerWorker worker, bool isInitialProbe)
{
try
{
if (isInitialProbe)
{
worker.InitialProbeCount++;
}
int workerProcessID = worker.WorkerProcess.Id;
SIPEndPoint workerEndPoint = worker.AppServerEndpoint;
DateTime probeSentAt = DateTime.Now;
SIPCallDescriptor callDescriptor = new SIPCallDescriptor(m_dispatcherUsername, null, "sip:" + m_dispatcherUsername + "@" + workerEndPoint.GetIPEndPoint().ToString(),
"sip:" + m_dispatcherUsername + "@sipcalldispatcher", "sip:" + workerEndPoint.GetIPEndPoint().ToString(), null, null, null, SIPCallDirection.Out, null, null, null);
SIPClientUserAgent uac = new SIPClientUserAgent(m_sipTransport, null, null, null, null);
uac.CallFailed += (failedUAC, errorMessage) =>
{
AppServerCallFailed(failedUAC, errorMessage, workerProcessID, probeSentAt, isInitialProbe);
};
uac.CallAnswered += (call, sipResponse) =>
{
if (sipResponse.Status != SIPResponseStatusCodesEnum.BadExtension)
{
//logger.Warn("Probe call answered with unexpected response code of " + sipResponse.StatusCode + ".");
AppServerCallFailed(call, "Unexpected response of " + ((int)sipResponse.StatusCode) + " on probe call.", workerProcessID, probeSentAt, isInitialProbe);
}
else
{
AppServerCallSucceeded(call);
}
};
uac.Call(callDescriptor);
}
catch (Exception excp)
{
logger.Error("Exception SIPAppServerManager ProberWorker. " + excp.Message);
}
}