private void Client_UploadDataCompleted(object sender, CapsBase.UploadDataCompletedEventArgs e)
{
if (OnComplete != null && !e.Cancelled)
{
if (e.Error == null)
{
LLSD result = LLSDParser.DeserializeXml(e.Result);
try { OnComplete(this, result, e.Error); }
catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); }
}
else
{
// Some error occurred, try to figure out what happened
HttpStatusCode code = HttpStatusCode.OK;
if (e.Error is WebException && ((WebException)e.Error).Response != null)
{
code = ((HttpWebResponse)((WebException)e.Error).Response).StatusCode;
}
if (code == HttpStatusCode.BadGateway)
{
// This is not good (server) protocol design, but it's normal.
// The CAPS server is a proxy that connects to a Squid
// cache which will time out periodically. The CAPS server
// interprets this as a generic error and returns a 502 to us
// that we ignore
StartRequest(_PostData, _ContentType);
}
else if (code != HttpStatusCode.OK)
{
// Status code was set to something unknown, this is a failure
Logger.DebugLog(String.Format("Caps error at {0}: {1}", _Client.Location, code));
try { OnComplete(this, null, e.Error); }
catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); }
}
else
{
// Status code was not set, some other error occurred. This is a failure
Logger.DebugLog(String.Format("Caps error at {0}: {1}", _Client.Location, e.Error.Message));
try { OnComplete(this, null, e.Error); }
catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); }
}
}
}
else if (e.Cancelled)
{
Logger.DebugLog("Capability action at " + _Client.Location + " cancelled");
}
}
private void Client_UploadDataCompleted(object sender, CapsBase.UploadDataCompletedEventArgs e)
{
LLSDArray events = null;
int ack = 0;
if (e.Error != null)
{
HttpStatusCode code = HttpStatusCode.OK;
if (e.Error is WebException && ((WebException)e.Error).Response != null)
{
code = ((HttpWebResponse)((WebException)e.Error).Response).StatusCode;
}
if (code == HttpStatusCode.NotFound || code == HttpStatusCode.Gone)
{
Logger.Log(String.Format("Closing event queue at {0} due to missing caps URI", _Client.Location),
Helpers.LogLevel.Info);
_Running = false;
_Dead = true;
}
else if (code == HttpStatusCode.BadGateway)
{
// This is not good (server) protocol design, but it's normal.
// The EventQueue server is a proxy that connects to a Squid
// cache which will time out periodically. The EventQueue server
// interprets this as a generic error and returns a 502 to us
// that we ignore
}
else if (!e.Cancelled)
{
// Try to log a meaningful error message
if (code != HttpStatusCode.OK)
{
Logger.Log(String.Format("Unrecognized caps connection problem from {0}: {1}",
_Client.Location, code), Helpers.LogLevel.Warning);
}
else if (e.Error.InnerException != null)
{
Logger.Log(String.Format("Unrecognized caps exception from {0}: {1}",
_Client.Location, e.Error.InnerException.Message), Helpers.LogLevel.Warning);
}
else
{
Logger.Log(String.Format("Unrecognized caps exception from {0}: {1}",
_Client.Location, e.Error.Message), Helpers.LogLevel.Warning);
}
}
}
else if (!e.Cancelled && e.Result != null)
{
// Got a response
LLSD result = LLSDParser.DeserializeXml(e.Result);
if (result != null && result.Type == LLSDType.Map)
{
// Parse any events returned by the event queue
LLSDMap map = (LLSDMap)result;
events = (LLSDArray)map["events"];
ack = map["id"].AsInteger();
}
}
else if (e.Cancelled)
{
// Connection was cancelled
Logger.DebugLog("Cancelled connection to event queue at " + _Client.Location);
}
if (_Running)
{
LLSDMap request = new LLSDMap();
if (ack != 0)
{
request["ack"] = LLSD.FromInteger(ack);
}
else
{
request["ack"] = new LLSD();
}
request["done"] = LLSD.FromBoolean(_Dead);
byte[] postData = LLSDParser.SerializeXmlBytes(request);
_Client.UploadDataAsync(_Client.Location, postData);
// If the event queue is dead at this point, turn it off since
// that was the last thing we want to do
if (_Dead)
{
_Running = false;
Logger.DebugLog("Sent event queue shutdown message");
}
}
if (OnEvent != null && events != null && events.Count > 0)
{
// Fire callbacks for each event received
foreach (LLSDMap evt in events)
{
string msg = evt["message"].AsString();
LLSDMap body = (LLSDMap)evt["body"];
try { OnEvent(msg, body); }
catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); }
}
}
}
