/// <summary>
/// Adds or updates matching bindings.
/// </summary>
/// <param name="flow">SIP data flow what updates this binding. This value is null if binding was not added through network or
/// flow has disposed.</param>
/// <param name="callID">Call-ID header field value.</param>
/// <param name="cseqNo">CSeq header field sequence number value.</param>
/// <param name="contacts">Contacts to add or update.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>callID</b> or <b>contacts</b> is null reference.</exception>
public void AddOrUpdateBindings(SIP_Flow flow,string callID,int cseqNo,SIP_t_ContactParam[] contacts)
{
if(callID == null){
throw new ArgumentNullException("callID");
}
if(cseqNo < 0){
throw new ArgumentException("Argument 'cseqNo' value must be >= 0.");
}
if(contacts == null){
throw new ArgumentNullException("contacts");
}
lock(m_pLock){
foreach(SIP_t_ContactParam contact in contacts){
SIP_RegistrationBinding binding = GetBinding(contact.Address.Uri);
// Add binding.
if(binding == null){
binding = new SIP_RegistrationBinding(this,contact.Address.Uri);
m_pBindings.Add(binding);
}
// Update binding.
binding.Update(
flow,
contact.Expires == -1 ? 3600 : contact.Expires,
contact.QValue == -1 ? 1.0 : contact.QValue,
callID,
cseqNo
);
}
}
}
/// <summary>
/// Refreshes specified registration info.
/// </summary>
public void Refresh()
{
/* GetSipRegistration "<virtualServerID>" "<addressOfRecord>"
Responses:
+OK <sizeOfData>
<data>
-ERR <errorText>
*/
lock(m_pOwner.VirtualServer.Server.LockSynchronizer){
m_pOwner.VirtualServer.Server.TcpClient.TcpStream.WriteLine("GetSipRegistration " +
TextUtils.QuoteString(m_pOwner.VirtualServer.VirtualServerID) + " " +
TextUtils.QuoteString(m_AddressOfRecord)
);
string response = m_pOwner.VirtualServer.Server.ReadLine();
if(!response.ToUpper().StartsWith("+OK")){
throw new Exception(response);
}
int sizeOfData = Convert.ToInt32(response.Split(new char[]{' '},2)[1]);
MemoryStream ms = new MemoryStream();
m_pOwner.VirtualServer.Server.TcpClient.TcpStream.ReadFixedCount(ms,sizeOfData);
// Decompress dataset
DataSet ds = Utils.DecompressDataSet(ms);
if(ds.Tables.Contains("Contacts")){
List<SipRegistrationContact> contacts = new List<SipRegistrationContact>();
foreach(DataRow dr in ds.Tables["Contacts"].Rows){
SIP_t_ContactParam c = new SIP_t_ContactParam();
c.Parse(new LumiSoft.Net.StringReader(dr["Value"].ToString()));
contacts.Add(new SipRegistrationContact(c.Address.Uri.Value,c.Expires,c.QValue));
}
m_pContacts = contacts.ToArray();
}
else{
m_pContacts = new SipRegistrationContact[0];
}
}
}
/// <summary>
/// Gets server events and binds them to this.
/// </summary>
private void Bind()
{
/* GetSipRegistrations "<virtualServerID>"
Responses:
+OK <sizeOfData>
<data>
-ERR <errorText>
*/
lock(m_pOwner.Server.LockSynchronizer){
m_pOwner.Server.Socket.WriteLine("GetSipRegistrations " +
TextUtils.QuoteString(m_pOwner.VirtualServerID)
);
string response = m_pOwner.Server.Socket.ReadLine();
if(!response.ToUpper().StartsWith("+OK")){
throw new Exception(response);
}
int sizeOfData = Convert.ToInt32(response.Split(new char[]{' '},2)[1]);
MemoryStream ms = new MemoryStream();
m_pOwner.Server.Socket.ReadSpecifiedLength(sizeOfData,ms);
// Decompress dataset
DataSet ds = Utils.DecompressDataSet(ms);
if(ds.Tables.Contains("SipRegistrations")){
foreach(DataRow dr in ds.Tables["SipRegistrations"].Rows){
//--- Parse contact -------------------------------------------------------------//
List<SipRegistrationContact> contacts = new List<SipRegistrationContact>();
foreach(string contact in dr["Contacts"].ToString().Split('\t')){
if(!string.IsNullOrEmpty(contact)){
SIP_t_ContactParam c = new SIP_t_ContactParam();
c.Parse(new LumiSoft.Net.StringReader(contact));
contacts.Add(new SipRegistrationContact(c.Address.Uri,c.Expires,c.QValue));
}
}
//--------------------------------------------------------------------------------//
m_pRegistrations.Add(new SipRegistration(
this,
dr["UserName"].ToString(),
dr["AddressOfRecord"].ToString(),
contacts.ToArray()
));
}
}
}
}
/// <summary>
/// Converts <b>ContactUri</b> to valid Contact header value.
/// </summary>
/// <returns>Returns contact header value.</returns>
public string ToContactValue()
{
SIP_t_ContactParam retVal = new SIP_t_ContactParam();
retVal.Parse(new StringReader(m_ContactURI.ToString()));
retVal.Expires = m_Expires;
return retVal.ToStringValue();
}
/// <summary>
/// Add or updates specified SIP registration info.
/// </summary>
/// <param name="aor">Registration address of record.</param>
/// <param name="contacts">Registration address of record contacts to update.</param>
/// <param name="flow">SIP proxy local data flow what accpeted this contact registration.</param>
public void SetRegistration(string aor,SIP_t_ContactParam[] contacts,SIP_Flow flow)
{
lock(m_pRegistrations){
SIP_Registration registration = m_pRegistrations[aor];
if(registration == null){
registration = new SIP_Registration("system",aor);
m_pRegistrations.Add(registration);
OnAorRegistered(registration);
}
registration.AddOrUpdateBindings(flow,"",1,contacts);
}
}
/// <summary>
/// Add or updates specified SIP registration info.
/// </summary>
/// <param name="aor">Registration address of record.</param>
/// <param name="contacts">Registration address of record contacts to update.</param>
public void SetRegistration(string aor,SIP_t_ContactParam[] contacts)
{
SetRegistration(aor,contacts,null);
}
/// <summary>
/// Redirects incoming call to speified contact(s).
/// </summary>
/// <param name="contacts">Redirection targets.</param>
/// <exception cref="ObjectDisposedException">Is raised when this object is disposed and and this method is accessed.</exception>
/// <exception cref="InvalidOperationException">Is raised when call is not in valid state and this method is called.</exception>
/// <exception cref="ArgumentNullException">Is raised when <b>contacts</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public void Redirect(SIP_t_ContactParam[] contacts)
{
lock(m_pLock){
if(this.State == SIP_UA_CallState.Disposed){
throw new ObjectDisposedException(this.GetType().Name);
}
if(this.State != SIP_UA_CallState.WaitingToAccept){
throw new InvalidOperationException("Call is not in valid state.");
}
if(contacts == null){
throw new ArgumentNullException("contacts");
}
if(contacts.Length == 0){
throw new ArgumentException("Arguments 'contacts' must contain at least 1 value.");
}
// TODO:
//m_pUA.Stack.CreateResponse(SIP_ResponseCodes.,m_pInitialInviteTransaction);
throw new NotImplementedException();
}
}
/// <summary>
/// Updates registration contacts.
/// </summary>
/// <param name="contacts">SIP contacts to add/update.</param>
/// <param name="expires">This is register request header field Expires: value and used only if contact doesn't have expires parameter.</param>
/// <param name="minExpires">SIP server minimum expire time in seconds.</param>
/// <param name="localEP">SIP proxy local end point info what accpeted this contact registration.</param>
public void UpdateContacts(SIP_t_ContactParam[] contacts,int expires,int minExpires,SIP_EndPointInfo localEP)
{
lock(m_pContacts){
foreach(SIP_t_ContactParam contact in contacts){
// Handle special value STAR Contact:, this means that we need to remove all contacts.
if(contact.IsStarContact){
m_pContacts.Clear();
return;
}
SIP_RegistrationContact currentContact = GetContact(contact.Address.Uri);
// Get contact expire time.
int contactExpires = contact.Expires;
if(contactExpires == -1){
contactExpires = expires;
}
if(contactExpires == -1){
contactExpires = minExpires;
}
// Remove specified contact
if(contactExpires == 0){
if(currentContact != null){
m_pContacts.Remove(currentContact);
}
}
// Add
else if(currentContact == null){
m_pContacts.Add(new SIP_RegistrationContact(contact,contactExpires,localEP));
}
// Update
else{
currentContact.UpdateContact(contact,contactExpires,localEP);
}
}
}
}
private void SetSipRegistration(string argsText)
{
/* SetSipRegistration "<virtualServerID>" "<addressOfRecord>" "<contacts>"
Responses:
+OK
-ERR <errorText>
*/
try{
string[] args = TextUtils.SplitQuotedString(argsText,' ',true);
if(args.Length != 3){
WriteLine("-ERR Invalid arguments. Syntax: SetSipRegistration \"<virtualServerID>\" \"<addressOfRecord>\" \"<contacts>\"");
return;
}
foreach(VirtualServer virtualServer in this.Server.MailServer.VirtualServers){
if(virtualServer.ID.ToLower() == args[0].ToLower()){
List<SIP_t_ContactParam> contacts = new List<SIP_t_ContactParam>();
foreach(string contact in args[2].Split('\t')){
if(contact.Length > 0){
SIP_t_ContactParam c = new SIP_t_ContactParam();
c.Parse(new LumiSoft.Net.StringReader(contact));
contacts.Add(c);
}
}
virtualServer.SipServer.Registrar.SetRegistration(args[1],contacts.ToArray());
WriteLine("+OK");
return;
}
}
WriteLine("-ERR Specified virtual server with ID '" + argsText + "' doesn't exist !");
}
catch(Exception x){
WriteLine("-ERR " + x.Message);
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="contact">SIP contact.</param>
/// <param name="expires">Time in seconds when contact expires.</param>
/// <param name="localEP">SIP proxy local end point info what accpeted this contact registration.</param>
public SIP_RegistrationContact(SIP_t_ContactParam contact,int expires,SIP_EndPointInfo localEP)
{
UpdateContact(contact,expires,localEP);
}
/// <summary>
/// Updates contact info.
/// </summary>
/// <param name="contact">SIP contact.</param>
/// <param name="expires">Time in seconds when contact expires.</param>
/// <param name="localEP">SIP proxy local end point info what accpeted this contact registration.</param>
public void UpdateContact(SIP_t_ContactParam contact,int expires,SIP_EndPointInfo localEP)
{
m_pContact = contact;
m_Expire = expires;
m_pLocalEndPoint = localEP;
m_LastUpdate = DateTime.Now;
}
/// <summary>
/// Returns this.Contact as string value, but expires parameter is replaced with remaining time value.
/// </summary>
/// <returns></returns>
public string ToStringValue()
{
SIP_t_ContactParam retVal = new SIP_t_ContactParam();
retVal.Parse(new StringReader(m_pContact.ToStringValue()));
retVal.Expires = this.Expires;
return retVal.ToStringValue();
}
