public void InitMessageBuffer(MessageBufferPersistencyType persistency)
{
Trace.Call(persistency);
if (MessageBuffer != null)
{
return;
}
switch (persistency)
{
case MessageBufferPersistencyType.Volatile:
MessageBuffer = new ListMessageBuffer();
break;
case MessageBufferPersistencyType.Persistent:
try {
MessageBuffer = new Db4oMessageBuffer(
ProtocolManager.Session.Username,
ProtocolManager.Protocol,
ProtocolManager.NetworkID,
ID
);
} catch (Exception ex) {
#if LOG4NET
_Logger.Error(
"InitMessageBuffer(): Db4oMessageBuffer() threw " +
"exception, falling back to memory backend!", ex
);
#endif
MessageBuffer = new ListMessageBuffer();
}
break;
}
}
public void InitMessageBuffer(MessageBufferPersistencyType persistency)
{
Trace.Call(persistency);
if (MessageBuffer != null)
{
return;
}
switch (persistency)
{
case MessageBufferPersistencyType.Volatile:
MessageBuffer = new ListMessageBuffer();
break;
case MessageBufferPersistencyType.Persistent:
try {
var start = DateTime.UtcNow;
MessageBuffer = new Db4oMessageBuffer(
ProtocolManager.Session.Username,
ProtocolManager.Protocol,
ProtocolManager.NetworkID,
ID
);
var stop = DateTime.UtcNow;
#if LOG4NET
_Logger.DebugFormat(
"InitMessageBuffer(): initializing " +
"Db4oMessageBuffer({0}, {1}, {2}, {3}) " +
"took: {4:0.00} ms",
ProtocolManager.Session.Username,
ProtocolManager.Protocol,
ProtocolManager.NetworkID,
ID,
(stop - start).TotalMilliseconds
);
#endif
} catch (Exception ex) {
#if LOG4NET
_Logger.Error(
"InitMessageBuffer(): Db4oMessageBuffer() threw " +
"exception, falling back to memory backend!", ex
);
#endif
MessageBuffer = new ListMessageBuffer();
var builder = new MessageBuilder();
builder.AppendEventPrefix();
builder.AppendErrorText(
_("Failed to open chat history for writing. " +
"Your chat history will not be preserved. " +
"Reason: {0}"),
ex.Message
);
MessageBuffer.Add(builder.ToMessage());
}
break;
}
}