/// <summary>
/// Default constructor.
/// </summary>
/// <param name="proxy">Owner proxy.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>proxy</b> is null reference.</exception>
internal SIP_Registrar(SIP_ProxyCore proxy)
{
if (proxy == null)
{
throw new ArgumentNullException("proxy");
}
m_pProxy = proxy;
m_pStack = m_pProxy.Stack;
m_pRegistrations = new SIP_RegistrationCollection();
m_pTimer = new Timer(15000);
m_pTimer.Elapsed += m_pTimer_Elapsed;
m_pTimer.Enabled = true;
}
/// <summary>
/// Cleans up any resources being used.
/// </summary>
internal void Dispose()
{
if (m_IsDisposed)
{
return;
}
m_IsDisposed = true;
CanRegister = null;
AorRegistered = null;
AorUnregistered = null;
AorUpdated = null;
m_pProxy = null;
m_pStack = null;
m_pRegistrations = null;
if (m_pTimer != null)
{
m_pTimer.Dispose();
m_pTimer = null;
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="owner">Onwer SIP proxy.</param>
internal SIP_B2BUA(SIP_ProxyCore owner)
{
m_pProxy = owner;
m_pCalls = new List<SIP_B2BUA_Call>();
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="owner">Onwer SIP proxy.</param>
internal SIP_B2BUA(SIP_ProxyCore owner)
{
m_pProxy = owner;
m_pCalls = new List <SIP_B2BUA_Call>();
}
/// <summary>
/// Cleans up any resources being used.
/// </summary>
internal void Dispose()
{
if (m_IsDisposed)
{
return;
}
m_IsDisposed = true;
CanRegister = null;
AorRegistered = null;
AorUnregistered = null;
AorUpdated = null;
m_pProxy = null;
m_pStack = null;
m_pRegistrations = null;
if (m_pTimer != null)
{
m_pTimer.Dispose();
m_pTimer = null;
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="proxy">Owner proxy.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>proxy</b> is null reference.</exception>
internal SIP_Registrar(SIP_ProxyCore proxy)
{
if (proxy == null)
{
throw new ArgumentNullException("proxy");
}
m_pProxy = proxy;
m_pStack = m_pProxy.Stack;
m_pRegistrations = new SIP_RegistrationCollection();
m_pTimer = new Timer(15000);
m_pTimer.Elapsed += m_pTimer_Elapsed;
m_pTimer.Enabled = true;
}
/// <summary>
/// Cleans up any resources being used.
/// </summary>
public void Dispose()
{
lock (m_pLock)
{
if (m_IsDisposed)
{
return;
}
m_IsDisposed = true;
m_pProxy.Stack.Logger.AddText("ProxyContext(id='" + m_ID + "') disposed.");
m_pProxy.m_pProxyContexts.Remove(this);
m_pProxy = null;
m_pServerTransaction = null;
m_pTargetsHandlers = null;
m_pResponses = null;
m_pTargets = null;
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="proxy">Owner proxy.</param>
/// <param name="transaction">Server transaction what is used to send SIP responses back to caller.</param>
/// <param name="request">Request to forward.</param>
/// <param name="addRecordRoute">If true, Record-Route header field will be added.</param>
/// <param name="forkingMode">Specifies how proxy context must handle forking.</param>
/// <param name="isB2BUA">Specifies if proxy context is in B2BUA or just transaction satefull mode.</param>
/// <param name="noCancel">Specifies if proxy should not send Cancel to forked requests.</param>
/// <param name="noRecurse">Specifies what proxy server does when it gets 3xx response. If true proxy will forward
/// request to new specified address if false, proxy will return 3xx response to caller.</param>
/// <param name="targets">Possible remote targets. NOTE: These values must be in priority order !</param>
/// <param name="credentials">Target set credentials.</param>
/// <exception cref="ArgumentNullException">Is raised when any of the reference type prameters is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
internal SIP_ProxyContext(SIP_ProxyCore proxy,
SIP_ServerTransaction transaction,
SIP_Request request,
bool addRecordRoute,
SIP_ForkingMode forkingMode,
bool isB2BUA,
bool noCancel,
bool noRecurse,
SIP_ProxyTarget[] targets,
NetworkCredential[] credentials)
{
if (proxy == null)
{
throw new ArgumentNullException("proxy");
}
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
if (request == null)
{
throw new ArgumentNullException("request");
}
if (targets == null)
{
throw new ArgumentNullException("targets");
}
if (targets.Length == 0)
{
throw new ArgumentException("Argumnet 'targets' must contain at least 1 value.");
}
m_pProxy = proxy;
m_pServerTransaction = transaction;
m_pServerTransaction.Canceled += m_pServerTransaction_Canceled;
m_pServerTransaction.Disposed += m_pServerTransaction_Disposed;
m_pRequest = request;
m_AddRecordRoute = addRecordRoute;
m_ForkingMode = forkingMode;
m_IsB2BUA = isB2BUA;
m_NoCancel = noCancel;
m_NoRecurse = noRecurse;
m_pTargetsHandlers = new List<TargetHandler>();
m_pResponses = new List<SIP_Response>();
m_ID = Guid.NewGuid().ToString();
m_CreateTime = DateTime.Now;
// Queue targets up, higest to lowest.
m_pTargets = new Queue<TargetHandler>();
foreach (SIP_ProxyTarget target in targets)
{
m_pTargets.Enqueue(new TargetHandler(this,
target.Flow,
target.TargetUri,
m_AddRecordRoute,
false));
}
m_pCredentials = new List<NetworkCredential>();
m_pCredentials.AddRange(credentials);
/* RFC 3841 9.1.
The Request-Disposition header field specifies caller preferences for
how a server should process a request.
Override SIP proxy default value.
*/
foreach (SIP_t_Directive directive in request.RequestDisposition.GetAllValues())
{
if (directive.Directive == SIP_t_Directive.DirectiveType.NoFork)
{
m_ForkingMode = SIP_ForkingMode.None;
}
else if (directive.Directive == SIP_t_Directive.DirectiveType.Parallel)
{
m_ForkingMode = SIP_ForkingMode.Parallel;
}
else if (directive.Directive == SIP_t_Directive.DirectiveType.Sequential)
{
m_ForkingMode = SIP_ForkingMode.Sequential;
}
else if (directive.Directive == SIP_t_Directive.DirectiveType.NoCancel)
{
m_NoCancel = true;
}
else if (directive.Directive == SIP_t_Directive.DirectiveType.NoRecurse)
{
m_NoRecurse = true;
}
}
m_pProxy.Stack.Logger.AddText("ProxyContext(id='" + m_ID + "') created.");
}