private void Client_UploadDataCompleted(object sender, 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) { SecondLife.LogStatic(ex.ToString(), Helpers.LogLevel.Error); }
}
else
{
if (Helpers.StringContains(e.Error.Message, "502"))
{
// These are normal, retry the request automatically
SecondLife.DebugLogStatic("502 error from capability " + _Client.Location);
StartRequest(_PostData, _ContentType);
}
else
{
try { OnComplete(this, null, e.Error); }
catch (Exception ex) { SecondLife.LogStatic(ex.ToString(), Helpers.LogLevel.Error); }
}
}
}
else if (e.Cancelled)
{
SecondLife.DebugLogStatic("Capability action at " + _Client.Location + " cancelled");
}
}
private void Client_UploadProgressChanged(object sender, UploadProgressChangedEventArgs e)
{
if (OnProgress != null)
{
try { OnProgress(this, e.BytesReceived, e.BytesSent, e.TotalBytesToReceive, e.TotalBytesToSend); }
catch (Exception ex) { SecondLife.LogStatic(ex.ToString(), Helpers.LogLevel.Error); }
}
}
/// <summary>
/// Attempts to convert an LLSD structure to a known Packet type
/// </summary>
/// <param name="capsEventName">Event name, this must match an actual
/// packet name for a Packet to be successfully built</param>
/// <param name="body">LLSD to convert to a Packet</param>
/// <returns>A Packet on success, otherwise null</returns>
public static Packet BuildPacket(string capsEventName, LLSDMap body)
{
Assembly assembly = Assembly.GetExecutingAssembly();
// Check if we have a subclass of packet with the same name as this event
Type type = assembly.GetType("libsecondlife.Packets." + capsEventName + "Packet", false);
if (type == null)
{
return(null);
}
Packet packet = null;
try
{
// Create an instance of the object
packet = (Packet)Activator.CreateInstance(type);
// Iterate over all of the fields in the packet class, looking for matches in the LLSD
foreach (FieldInfo field in type.GetFields())
{
if (body.ContainsKey(field.Name))
{
Type blockType = field.FieldType;
if (blockType.IsArray)
{
LLSDArray array = (LLSDArray)body[field.Name];
Type elementType = blockType.GetElementType();
object[] blockArray = (object[])Array.CreateInstance(elementType, array.Count);
for (int i = 0; i < array.Count; i++)
{
LLSDMap map = (LLSDMap)array[i];
blockArray[i] = ParseLLSDBlock(map, elementType);
}
field.SetValue(packet, blockArray);
}
else
{
LLSDMap map = (LLSDMap)((LLSDArray)body[field.Name])[0];
field.SetValue(packet, ParseLLSDBlock(map, blockType));
}
}
}
}
catch (Exception e)
{
SecondLife.LogStatic(e.ToString(), Helpers.LogLevel.Warning);
}
return(packet);
}
public void StartRequest(byte[] postData, string contentType)
{
_PostData = postData;
_ContentType = contentType;
if (_Client.IsBusy)
{
SecondLife.LogStatic("New CAPS request to " + _Client.Location +
" initiated, closing previous request", Helpers.LogLevel.Warning);
_Client.CancelAsync();
}
else
{
SecondLife.DebugLogStatic("New CAPS request to " + _Client.Location + " initiated");
}
// Proxy
if (Proxy != null)
{
_Client.Proxy = Proxy;
}
// Content-Type
_Client.Headers.Clear();
if (!String.IsNullOrEmpty(contentType))
{
_Client.Headers.Add(HttpRequestHeader.ContentType, contentType);
}
else
{
_Client.Headers.Add(HttpRequestHeader.ContentType, "application/xml");
}
if (postData == null)
{
_Client.DownloadStringAsync(_Client.Location);
}
else
{
_Client.UploadDataAsync(_Client.Location, postData);
}
}
private void Client_OpenWriteCompleted(object sender, OpenWriteCompletedEventArgs e)
{
bool raiseEvent = false;
if (!_Dead)
{
if (!_Running)
{
raiseEvent = true;
}
// We are connected to the event queue
_Running = true;
}
// Create an EventQueueGet request
LLSDMap request = new LLSDMap();
request["ack"] = new LLSD();
request["done"] = LLSD.FromBoolean(false);
byte[] postData = LLSDParser.SerializeXmlBytes(request);
_Client.UploadDataAsync(_Client.Location, postData);
if (raiseEvent)
{
SecondLife.DebugLogStatic("Capabilities event queue connected");
// The event queue is starting up for the first time
if (OnConnected != null)
{
try { OnConnected(); }
catch (Exception ex) { SecondLife.LogStatic(ex.ToString(), Helpers.LogLevel.Error); }
}
}
}
private void Client_UploadDataCompleted(object sender, UploadDataCompletedEventArgs e)
{
LLSDArray events = null;
int ack = 0;
if (e.Error != null)
{
// Error occurred
string message = e.Error.Message.ToLower();
// Check what kind of exception happened
if (Helpers.StringContains(message, "404") || Helpers.StringContains(message, "410"))
{
SecondLife.LogStatic("Closing event queue at " + _Client.Location + " due to missing caps URI",
Helpers.LogLevel.Info);
_Running = false;
_Dead = true;
}
else if (!e.Cancelled && !Helpers.StringContains(message, "502"))
{
SecondLife.LogStatic("Unrecognized caps exception from " + _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
SecondLife.DebugLogStatic("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;
SecondLife.DebugLogStatic("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) { SecondLife.LogStatic(ex.ToString(), Helpers.LogLevel.Error); }
}
}
}
