internal virtual void sendProfile(string uri, string datum, ChannelImpl ch)
{
// Send the profile
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<profile uri='");
sb.Append(uri);
if ((object) datum != null)
{
sb.Append("'><![CDATA[");
sb.Append(datum);
sb.Append("]]></profile>");
}
else
{
sb.Append("' />");
}
OutputDataStream ds = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, System.Text.Encoding.ASCII.GetBytes(sb.ToString()));
// Store the Channel
channels[ch.NumberAsString] = ch;
((IMessageMSG) zero.AppData).sendRPY(ds);
}
/// <summary>The Initiator Oriented close channel call...but this one is not an
/// external call, it's invoked from Channel.close();</summary>
/// <param name="channel"></param>
/// <param name="code"></param>
/// <param name="xmlLang"></param>
/// <exception cref="BEEPException" />
internal virtual void closeChannel(ChannelImpl channel, BEEPStatusCode code, string xmlLang)
{
// Construct Message
System.Text.StringBuilder closeBuffer = new System.Text.StringBuilder();
closeBuffer.Append("<close number='");
closeBuffer.Append(channel.NumberAsString);
closeBuffer.Append("' code='");
closeBuffer.Append(code);
if ((object) xmlLang != null)
{
closeBuffer.Append("' xml:lang='");
closeBuffer.Append(xmlLang);
}
closeBuffer.Append("' />");
// Lock necessary because we have to know the msgNo
// before we send the message, in order to be able
// to associate the reply with this start request
CloseReplyListener reply = new CloseReplyListener(this, channel);
lock (reply)
{
OutputDataStream ds = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, System.Text.Encoding.ASCII.GetBytes(closeBuffer.ToString()));
this.zero.sendMSG(ds, reply);
try
{
System.Threading.Monitor.Wait(reply);
}
catch (System.Threading.ThreadInterruptedException e)
{
log.error("Error waiting for reply", e);
throw new BEEPException("Interrupted waiting for reply");
}
}
// check the channel state and return the appropriate exception
if (reply.isError())
{
throw reply.getError();
}
if (channel.getState() != core.ChannelState.STATE_CLOSED)
{
throw new BEEPException("Error channel state (" + channel.getState() + ")");
}
fireChannelClosed(channel);
}
internal virtual IChannel startChannelRequest(System.Collections.ICollection profiles, IRequestHandler handler, bool tuning)
{
string channelNumber = NextFreeChannelNumber;
// create the message in a buffer and send it
System.Text.StringBuilder startBuffer = new System.Text.StringBuilder();
startBuffer.Append("<start number='");
startBuffer.Append(channelNumber);
if ((object) serverName != null && !sentServerName)
{
startBuffer.Append("' serverName='");
startBuffer.Append(serverName);
}
startBuffer.Append("'>");
foreach(StartChannelProfile p in profiles)
{
// @todo maybe we should check these against peerSupportedProfiles
startBuffer.Append("<profile uri='");
startBuffer.Append(p.uri);
startBuffer.Append("' ");
if ((object) p.data == null)
{
startBuffer.Append(" />");
}
else
{
if (p.base64Encoding)
{
startBuffer.Append("encoding='base64' ");
}
startBuffer.Append("><![CDATA[");
startBuffer.Append(p.data);
startBuffer.Append("]]></profile>");
}
}
startBuffer.Append("</start>");
// @todo handle the data element
// Create a channel
ChannelImpl ch = new ChannelImpl(null, channelNumber, handler, false, this);
// Make a message
OutputDataStream ds = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, System.Text.Encoding.ASCII.GetBytes(startBuffer.ToString()));
if (tuning)
{
this.changeState(core.SessionState.SESSION_STATE_TUNING_PENDING);
this.changeState(core.SessionState.SESSION_STATE_TUNING);
this.zero.setState(core.ChannelState.STATE_TUNING);
}
// Tell Channel Zero to start us up
StartReplyListener reply = new StartReplyListener(this, ch);
lock (reply)
{
this.zero.sendMSG(ds, reply);
try
{
System.Threading.Monitor.Wait(reply);
}
catch (System.Threading.ThreadInterruptedException e)
{
log.error("Interrupted waiting for reply", e);
throw new BEEPException("Interrupted waiting for reply");
}
}
// check the channel state and return the appropriate exception
if (reply.isError())
{
throw reply.getError();
}
if (ch.getState() != core.ChannelState.STATE_ACTIVE)
{
throw new BEEPException("Error channel state (" + ch.getState() + ")");
}
if (tuning)
{
ch.setState(core.ChannelState.STATE_TUNING);
}
if ((object) serverName != null)
{
sentServerName = true;
}
fireChannelStarted(ch);
return ch;
}
private void sendGreeting()
{
log.debug("sendGreeting");
// get the greeting from the session
byte[] greeting = this.ProfileRegistry.getGreeting(this);
ByteOutputDataStream f = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, greeting);
IMessageMSG m = new MessageMSGImpl(this.zero, 0, null);
// send the greeting
m.sendRPY(f);
}
private void receiveCloseChannelZero()
{
// closing the session
// @todo fireEvent(SESSION_STATE_CLOSING);
if (log.isDebugEnabled())
{
log.debug("Closing Session with " + channels.Count + " channels");
}
try
{
changeState(core.SessionState.SESSION_STATE_CLOSE_PENDING);
changeState(core.SessionState.SESSION_STATE_CLOSING);
}
catch (BEEPException)
{
terminate("Error changing Session state to closing.");
return ;
}
object[] keys = new object[channels.Keys.Count];
channels.Keys.CopyTo(keys,0);
foreach(object key in keys)
{
ChannelImpl ch = (ChannelImpl) channels[key];
// if this channel is not zero, call the channel's scl
if (ch.Number == 0)
{
continue;
}
IStartChannelListener scl = profileRegistry.getStartChannelListener(this.tuningProperties, ch.getProfile());
// check locally first to see if it is ok to close the channel
try
{
scl.CloseChannel(ch);
channels.Remove(key);
}
catch (CloseChannelException e)
{
try
{
changeState(core.SessionState.SESSION_STATE_ACTIVE);
enableIO();
throw e;
}
catch (BEEPException)
{
terminate("Error changing Session state from closing " + "to active");
return ;
}
}
fireChannelClosed(ch);
}
OutputDataStream sds = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, OK_ELEMENT);
try
{
((IMessageMSG) zero.AppData).sendRPY(sds);
}
catch (BEEPException)
{
terminate("Error sending RPY for <close> for channel 0");
return ;
}
try
{
this.changeState(core.SessionState.SESSION_STATE_CLOSED);
}
catch (BEEPException e)
{
log.error("Error changing state", e);
}
fireSessionClosed();
}
/// <summary>This method is called when Channel Zero receives - from our
/// session peer - a request to close a channel.</summary>
/// <param name="channelNumber"></param>
/// <param name="code"></param>
/// <param name="xmlLang"></param>
/// <param name="data"></param>
/// <exception cref="BEEPException" />
private void receiveCloseChannel(string channelNumber, string code, string xmlLang, string data)
{
// @todo fix close channel
if (channelNumber.Equals(CHANNEL_ZERO))
{
receiveCloseChannelZero();
return ;
}
enableIO();
ChannelImpl channel = (ChannelImpl) channels[channelNumber];
if (channel == null)
{
throw new BEEPError(BEEPStatusCode.PARAMETER_INVALID, "Close requested for nonexistent channel");
}
try
{
IStartChannelListener scl = profileRegistry.getStartChannelListener(this.tuningProperties, channel.getProfile());
scl.CloseChannel(channel);
channel.setState(core.ChannelState.STATE_CLOSING);
}
catch (BEEPError x)
{
channel.setState(core.ChannelState.STATE_CLOSING);
throw x;
}
// Send an ok
OutputDataStream sds = new ByteOutputDataStream(MimeHeaders.BEEP_XML_CONTENT_TYPE, OK_ELEMENT);
try
{
((IMessageMSG) zero.AppData).sendRPY(sds);
}
catch (BEEPException)
{
terminate("Error sending RPY for <close>");
return ;
}
// We need to close the server socket at some point !
this.disableIO();
// We're past the CCL approval
channel.setState(core.ChannelState.STATE_CLOSED);
channels.Remove(channel.NumberAsString);
fireChannelClosed(channel);
}
