private void Dispose(bool disposing)
{
if (!_disposed)
{
_disposed = true;
if (_timerAlive != null)
{
_timerAlive.Change(Timeout.Infinite, Timeout.Infinite);
_timerAlive.Dispose();
_timerAlive = null;
}
if (_timerRegi != null)
{
_timerRegi.Change(Timeout.Infinite, Timeout.Infinite);
_timerRegi.Dispose();
_timerRegi = null;
}
if (disposing)
{
if (_registered)
{
BeginUnregister();
}
}
if (_regi != null)
{
_regi.Dispose();
_regi = null;
}
}
}
public void BeginRegister()
{
if (_disposed)
{
throw new ObjectDisposedException(this.GetType().Name, "不能执行注册操作。");
}
if (_regi != null)
{
_regi.Dispose();
}
string localSn = _gateway.SipNumber;
int localPort = _gateway.Port;
string remoteSn = _platform.SipNumber;
int remotePort = _platform.Port;
string remoteIP = _platform.Ip;
string user = _platform.UserName;
string pwd = _platform.Password;
string realm = _platform.Realm;
SIP_Stack stack = SipProxyWrapper.Instance.Stack;
SIP_t_NameAddress from = new SIP_t_NameAddress($"sip:{localSn}@{_localIp}:{localPort}");
SIP_t_NameAddress to = new SIP_t_NameAddress($"sip:{localSn}@{_localIp}:{localPort}");
SIP_Uri server = new SIP_Uri()
{
Host = remoteIP,
Port = remotePort,
User = remoteSn
};
string aor = $"{localSn}@{_localIp}:{localPort}";
AbsoluteUri contact = AbsoluteUri.Parse($"sip:{localSn}@" + stack.BindInfo[0].EndPoint.ToString());
SIP_UA_Registration regi = stack.CreateRegistration(server, aor, contact, 7200);
_regi = regi; //记录
regi.Credential = new NetworkCredential(user, pwd, realm);
regi.Registered += Regi_Registered;
regi.StateChanged += Regi_StateChanged;
if (_timerRegi == null)
{
_timerRegi = new Timer(timerRegi_Callback, null, 21000, Timeout.Infinite);
}
else
{
_timerRegi.Change(21000, Timeout.Infinite);
}
regi.BeginRegister(true);
}
private void Regi_StateChanged(object sender, EventArgs e)
{
SIP_UA_Registration reg = sender as SIP_UA_Registration;
if (reg != null && (reg.State == SIP_UA_RegistrationState.Registered || reg.State == SIP_UA_RegistrationState.Unregistered))
{
if (_timerRegi != null)
{
_timerRegi.Change(Timeout.Infinite, Timeout.Infinite);
}
}
}
public void BeginUnregister()
{
if (_regi != null)
{
_regi.BeginUnregister(true);
_regi.Registered -= Regi_Registered;
_regi.StateChanged -= Regi_StateChanged;
_regi.Dispose();
_regi = null;
if (_timerAlive != null)
{
_timerAlive.Change(Timeout.Infinite, Timeout.Infinite); //关闭心跳定时器。
}
_registered = false;
_alive = false;
}
}
