private async Task <Iq> DoBindAsync(StreamFeatures features, CancellationToken cancellationToken)
{
XmppSessionState.Value = SessionState.Binding;
var bIq = new BindIq {
Type = IqType.Set, Bind = { Resource = Resource }
};
var resBindIq = await SendIqAsync(bIq, cancellationToken);
if (resBindIq.Type != IqType.Result)
{
throw new BindException(resBindIq);
}
if (features.SupportsSession && !features.Session.Optional)
{
var sessionIq = new SessionIq {
Type = IqType.Set
};
var resSessionIq = await SendIqAsync(sessionIq, cancellationToken);
}
XmppSessionState.Value = SessionState.Binded;
return(resBindIq);
}
/// <summary>
/// 处理绑定返回的IQ消息
/// </summary>
/// <param name="sender"></param>
/// <param name="iq"></param>
/// <param name="data"></param>
private void BindResult(object sender, IQ iq, object data)
{
// Once the server has generated a resource identifier for the client or accepted the resource
// identifier provided by the client, it MUST return an IQ stanza of type "result"
// to the client, which MUST include a <jid/> child element that specifies the full JID for
// the connected resource as determined by the server:
// Server informs client of successful resource binding:
// <iq type='result' id='bind_2'>
// <bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
// <jid>[email protected]/someresource</jid>
// </bind>
// </iq>
if (iq.Type == IqType.result)
{
// i assume the server could assign another resource here to the client
// so grep the resource assigned by the server now
Element bind = iq.SelectSingleElement(typeof(Bind));
if (bind != null)
{
Jid jid = ((Bind)bind).Jid;
Resource = jid.Resource;
//UserName = jid.User;
}
// 已经绑定
DoChangeXmppConnectionState(XmppConnectionState.Binded);
Binded = true;
//DoRaiseEventBinded();
// 绑定成功后,可以为开始会话状态
DoChangeXmppConnectionState(XmppConnectionState.StartSession);
SessionIq sIq = new SessionIq(IqType.set, new Jid(Server));
// 发送会话请求IQ
this.IqGrabber.SendIq(sIq, SessionResult, null);
}
else if (iq.Type == IqType.error)
{
if (OnError != null)
{
OnError(this, new Exception("绑定请求失败"));
}
}
}
private void BindResult(object sender, IQEventArgs e)
{
var iq = e.IQ;
// Once the server has generated a resource identifier for the client or accepted the resource
// identifier provided by the client, it MUST return an IQ stanza of type "result"
// to the client, which MUST include a <jid/> child element that specifies the full JID for
// the connected resource as determined by the server:
// Server informs client of successful resource binding:
// <iq type='result' id='bind_2'>
// <bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
// <jid>[email protected]/someresource</jid>
// </bind>
// </iq>
if (iq.Type == IqType.result)
{
// i assume the server could assign another resource here to the client
// so grep the resource assigned by the server now
Element bind = iq.SelectSingleElement(typeof(Bind));
if (bind != null)
{
Jid jid = ((Bind)bind).Jid;
m_XmppClient.Resource = jid.Resource;
m_XmppClient.Username = jid.User;
}
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.Binded);
m_XmppClient.m_Binded = true;
m_XmppClient.DoRaiseEventBinded();
// success, so start the session now
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.StartSession);
SessionIq sIq = new SessionIq(IqType.set, new Jid(m_XmppClient.Server));
m_XmppClient.IqGrabber.SendIq(sIq, SessionResult);
e.Handled = true;
}
else if (iq.Type == IqType.error)
{
// TODO, handle bind errors
m_XmppClient.DoRaiseEventBindError(iq);
}
}
/// <summary>
/// </summary>
/// <param name="sender">
/// </param>
/// <param name="iq">
/// </param>
/// <param name="data">
/// </param>
private void BindResult(object sender, IQ iq, object data)
{
// Once the server has generated a resource identifier for the client or accepted the resource
// identifier provided by the client, it MUST return an IQ stanza of type "result"
// to the client, which MUST include a <jid/> child element that specifies the full JID for
// the connected resource as determined by the server:
// Server informs client of successful resource binding:
// <iq type='result' id='bind_2'>
// <bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
// <jid>[email protected]/someresource</jid>
// </bind>
// </iq>
if (iq.Type == IqType.result)
{
// i assume the server could assign another resource here to the client
// so grep the resource assigned by the server now
Element bind = iq.SelectSingleElement(typeof (Bind));
if (bind != null)
{
Jid jid = ((Bind) bind).Jid;
m_XmppClient.Resource = jid.Resource;
m_XmppClient.Username = jid.User;
}
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.Binded);
m_XmppClient.m_Binded = true;
m_XmppClient.DoRaiseEventBinded();
// success, so start the session now
m_XmppClient.DoChangeXmppConnectionState(XmppConnectionState.StartSession);
SessionIq sIq = new SessionIq(IqType.set, new Jid(m_XmppClient.Server));
m_XmppClient.IqGrabber.SendIq(sIq, new IqCB(SessionResult), null);
}
else if (iq.Type == IqType.error)
{
// TODO, handle bind errors
}
}