bool ISocketEventListener.OnRead(BaseSocket sock, byte[] buf, int offset, int length)
{
if (!m_running)
{
Debug.WriteLine("shutting down. extra bytes received.");
return false;
}
Debug.WriteLine("OnRead: " + ((HttpSocket)sock).Name);
// Parse out the first start tag or empty element, which will be
// <body/>.
XpNet.UTF8Encoding e = new XpNet.UTF8Encoding();
XpNet.ContentToken ct = new XpNet.ContentToken();
XpNet.TOK tok = e.tokenizeContent(buf, offset, offset + length, ct);
if ((tok != XpNet.TOK.START_TAG_WITH_ATTS) &&
(tok != XpNet.TOK.EMPTY_ELEMENT_WITH_ATTS))
{
m_listener.OnError(this, new ProtocolViolationException("Invalid HTTP binding XML. Token type: " + tok.ToString()));
return false;
}
string name = ENC.GetString(buf,
offset + e.MinBytesPerChar,
ct.NameEnd - offset - e.MinBytesPerChar);
Debug.Assert(name == "body");
Body b = new Body(m_doc);
string val;
int start;
int end;
for (int i = 0; i < ct.getAttributeSpecifiedCount(); i++)
{
start = ct.getAttributeNameStart(i);
end = ct.getAttributeNameEnd(i);
name = ENC.GetString(buf, start, end - start);
start = ct.getAttributeValueStart(i);
end = ct.getAttributeValueEnd(i);
val = ENC.GetString(buf, start, end - start);
if (!name.StartsWith("xmlns"))
b.SetAttribute(name, val);
}
if (b.SID != null)
m_sid = b.SID;
if (m_sid == null)
{
m_listener.OnError(this, new ProtocolViolationException("Invalid HTTP binding. No SID."));
return false;
}
if (b.Wait != -1)
m_wait = b.Wait;
if (StartStream)
{
StartStream = false;
m_authID = b.AuthID;
if (!FakeReceivedStream())
return false;
}
lock (m_queue)
{
if (!m_running)
return false;
if (b.Type == BodyType.terminate)
{
m_running = false;
Error err = new Error(m_doc);
err.AppendChild(m_doc.CreateElement(b.Condition.ToString(), URI.STREAM_ERROR));
byte[] sbuf = ENC.GetBytes(err.OuterXml);
m_listener.OnRead(this, sbuf, 0, sbuf.Length);
sbuf = ENC.GetBytes("</stream:stream>");
m_listener.OnRead(this, sbuf, 0, sbuf.Length);
Close();
return false;
}
}
if (tok == XpNet.TOK.START_TAG_WITH_ATTS)
{
// len(</body>) = 7
start = ct.TokenEnd;
if (m_listener.OnRead(this, buf, start, offset + length - start - 7))
RequestRead();
}
else
RequestRead();
lock (m_queue)
{
Monitor.Pulse(m_queue);
}
return true;
}
private Body CreateOpenBodyTag()
{
Body body = new Body(m_doc);
if (m_rid == -1L)
{
Random rnd = new Random();
long r = m_rid = (long)rnd.Next();
body.Content = CONTENT_TYPE;
body.Hold = m_hold;
body.RID = r;
body.To = m_hostid;
body.Wait = m_wait;
body.Lang = m_lang;
}
else
{
body.SID = m_sid;
}
return body;
}