public SipEventHandlerResult RegisterCodec(SipRegistrationMessage sipMessage)
{
var userAgentRegistration = new UserAgentRegistration(
sipUri: sipMessage.Sip.UserAtHost,
userAgentHeader: sipMessage.UserAgent,
username: sipMessage.Sip.UserAtHost,
displayName: string.IsNullOrEmpty(sipMessage.ToDisplayName) ? sipMessage.FromDisplayName : sipMessage.ToDisplayName,
registrar: sipMessage.Registrar,
ipAddress: sipMessage.Ip,
port: sipMessage.Port,
expirationTimeSeconds: sipMessage.Expires,
serverTimeStamp: sipMessage.UnixTimeStamp
);
return(_sipRepository.UpdateRegisteredSip(userAgentRegistration));
}
public void RegisterSip(string sipAddress, string ip, string displayName, string userAgent)
{
var userAgentRegistration = new UserAgentRegistration(
sipUri: sipAddress,
userAgentHeader: userAgent,
username: sipAddress,
displayName: displayName,
registrar: string.Empty,
ipAddress: ip,
port: 5060,
expirationTimeSeconds: 60,
serverTimeStamp: 0
);
var changeStatus = _registeredSipRepository.UpdateRegisteredSip(userAgentRegistration);
Console.WriteLine("Registered {0} with result: {1}", sipAddress, changeStatus);
}
public SipEventHandlerResult UpdateRegisteredSip(UserAgentRegistration userAgentRegistration)
{
var result = _internalRepository.UpdateRegisteredSip(userAgentRegistration);
// When reregistration of codec already in cache, just update timestamp
if (result.ChangeStatus == SipEventChangeStatus.NothingChanged && result.ChangedObjectId != Guid.Empty)
{
// TODO: When GetRegisteredSips is gone, decide over this
//var regSip = GetRegisteredSips().FirstOrDefault(rs => rs.Id == result.ChangedObjectId);
//if (regSip != null)
//{
// regSip.Updated = DateTime.UtcNow;
// return result;
//}
return(result);
}
// Otherwise reload cache.
_lazyCache.ClearRegisteredUserAgents();
return(result);
}
public SipEventHandlerResult UpdateRegisteredSip(UserAgentRegistration registration)
{
// Return value indicates if
// 1. Codec been added
// 2. Codec existed but registration has relevant changes
// 3. Codec existed and registration is identical = NothingChanged
try
{
using (var db = GetDbContext())
{
var dbSip = db.RegisteredSips.SingleOrDefault(rs => rs.SIP == registration.SipUri);
// Is it a new registration?
if (dbSip == null)
{
if (registration.ExpirationTimeSeconds == 0)
{
// Unregistration of not registered user-agent. Do nothing.
log.Debug($"User-agent nothing changed, unregistration of not registered user-agent '{registration.SipUri}'");
return(SipEventHandlerResult.NothingChanged);
}
// New registration of user-agent
dbSip = new RegisteredSipEntity {
Id = Guid.NewGuid()
};
db.RegisteredSips.Add(dbSip);
}
// Match and map
var userAgentId = GetUserAgentId(registration.UserAgentHeader);
dbSip.UserAgentId = userAgentId;
dbSip.UserAgentHeader = registration.UserAgentHeader;
var locationId = LocationManager.GetLocationIdByIp(registration.IpAddress);
dbSip.Location_LocationId = locationId != Guid.Empty ? locationId : (Guid?)null;
var registeredSipUsername = registration.Username.ToLower().Trim();
dbSip.Username = registeredSipUsername;
// TODO: Cache test
//var sipAccount = db.SipAccounts.FirstOrDefault(u => u.UserName.ToLower() == registeredSipUsername);
var sipAccount = _sipAccountManager.GetSipAccountByUserName(registeredSipUsername);
dbSip.User_UserId = sipAccount?.Id;
dbSip.SIP = registration.SipUri;
dbSip.DisplayName = registration.DisplayName;
dbSip.IP = registration.IpAddress;
dbSip.Port = registration.Port;
dbSip.ServerTimeStamp = registration.ServerTimeStamp;
dbSip.Updated = DateTime.UtcNow;
dbSip.Expires = registration.ExpirationTimeSeconds;
dbSip.Registrar = registration.Registrar;
var changeStatus = GetChangeStatus(db, dbSip);
db.SaveChanges();
return(new SipEventHandlerResult
{
ChangeStatus = changeStatus,
ChangedObjectId = dbSip.Id,
SipAddress = dbSip.SIP
});
}
}
catch (Exception ex)
{
log.Error(ex, "Error while updating registered sip {0}", registration.SipUri);
return(SipEventHandlerResult.NothingChanged);
}
}
