/// <summary>
/// Handle a texture request. This involves creating a texture sender and placing it on the
/// previously passed in shared queue.
/// </summary>
/// <param name="e"></param>
public void HandleTextureRequest(TextureRequestArgs e)
{
TextureSender.TextureSender textureSender;
//TODO: should be working out the data size/ number of packets to be sent for each discard level
if ((e.DiscardLevel >= 0) || (e.Priority != 0))
{
lock (m_textureSenders)
{
if (m_textureSenders.TryGetValue(e.RequestedAssetID, out textureSender))
{
// If we've received new non UUID information for this request and it hasn't dispatched
// yet, then update the request accordingly.
textureSender.UpdateRequest(e.DiscardLevel, e.PacketNumber);
}
else
{
// m_log.DebugFormat("[TEXTURE]: Received a request for texture {0}", e.RequestedAssetID);
if (!foundTextureLimitStrategy.AllowRequest(e.RequestedAssetID))
{
// m_log.DebugFormat(
// "[TEXTURE]: Refusing request for {0} from client {1}",
// e.RequestedAssetID, m_client.AgentId);
return;
}
else if (!missingTextureLimitStrategy.AllowRequest(e.RequestedAssetID))
{
if (missingTextureLimitStrategy.IsFirstRefusal(e.RequestedAssetID))
{
if (StatsManager.SimExtraStats != null)
StatsManager.SimExtraStats.AddBlockedMissingTextureRequest();
// Commenting out this message for now as it causes too much noise with other
// debug messages.
// m_log.DebugFormat(
// "[TEXTURE]: Dropping requests for notified missing texture {0} for client {1} since we have received more than {2} requests",
// e.RequestedAssetID, m_client.AgentId, MAX_ALLOWED_TEXTURE_REQUESTS);
}
return;
}
m_scene.StatsReporter.AddPendingDownloads(1);
TextureSender.TextureSender requestHandler = new TextureSender.TextureSender(m_client, e.DiscardLevel, e.PacketNumber);
m_textureSenders.Add(e.RequestedAssetID, requestHandler);
m_scene.CommsManager.AssetCache.GetAsset(e.RequestedAssetID, TextureCallback,
AssetRequestInfo.GenericNetRequest());
}
}
}
else
{
lock (m_textureSenders)
{
if (m_textureSenders.TryGetValue(e.RequestedAssetID, out textureSender))
{
textureSender.Cancel = true;
}
}
}
}
/// <summary>
/// Handle a texture request. This involves creating a texture sender and placing it on the
/// previously passed in shared queue.
/// </summary>
/// <param name="e"></param>
public void HandleTextureRequest(TextureRequestArgs e)
{
TextureSender.TextureSender textureSender;
//TODO: should be working out the data size/ number of packets to be sent for each discard level
if ((e.DiscardLevel >= 0) || (e.Priority != 0))
{
lock (m_textureSenders)
{
if (m_textureSenders.TryGetValue(e.RequestedAssetID, out textureSender))
{
// If we've received new non UUID information for this request and it hasn't dispatched
// yet, then update the request accordingly.
textureSender.UpdateRequest(e.DiscardLevel, e.PacketNumber);
}
else
{
// m_log.DebugFormat("[TEXTURE]: Received a request for texture {0}", e.RequestedAssetID);
if (!foundTextureLimitStrategy.AllowRequest(e.RequestedAssetID))
{
// m_log.DebugFormat(
// "[TEXTURE]: Refusing request for {0} from client {1}",
// e.RequestedAssetID, m_client.AgentId);
return;
}
else if (!missingTextureLimitStrategy.AllowRequest(e.RequestedAssetID))
{
if (missingTextureLimitStrategy.IsFirstRefusal(e.RequestedAssetID))
{
if (StatsManager.SimExtraStats != null)
{
StatsManager.SimExtraStats.AddBlockedMissingTextureRequest();
}
// Commenting out this message for now as it causes too much noise with other
// debug messages.
// m_log.DebugFormat(
// "[TEXTURE]: Dropping requests for notified missing texture {0} for client {1} since we have received more than {2} requests",
// e.RequestedAssetID, m_client.AgentId, MAX_ALLOWED_TEXTURE_REQUESTS);
}
return;
}
m_scene.StatsReporter.AddPendingDownloads(1);
TextureSender.TextureSender requestHandler = new TextureSender.TextureSender(m_client, e.DiscardLevel, e.PacketNumber);
m_textureSenders.Add(e.RequestedAssetID, requestHandler);
m_scene.AssetService.Get(e.RequestedAssetID.ToString(), this, TextureReceived);
}
}
}
else
{
lock (m_textureSenders)
{
if (m_textureSenders.TryGetValue(e.RequestedAssetID, out textureSender))
{
textureSender.Cancel = true;
}
}
}
}
