private void ReleaseRequestEntry(MQRequestEntry entry)
{
uint method = 0x620;
this.TrEntry(method, new object[] { entry });
try
{
lock (this.requestEntryMutex)
{
base.TrData(method, 0, "Current RequestId being released = ", BitConverter.GetBytes(entry.RequestID));
MQRequestEntry previous = entry.Previous;
MQRequestEntry next = entry.Next;
if (previous == null)
{
this.exchangeRequests = next;
}
else
{
previous.Next = next;
}
if (next != null)
{
next.Previous = previous;
}
if (this.cachedExchangeRequest == null)
{
this.cachedExchangeRequest = entry;
}
}
}
finally
{
base.TrExit(method);
}
}
private MQRequestEntry AllocateRequestEntry()
{
MQRequestEntry entry3;
uint method = 0x61f;
this.TrEntry(method);
try
{
lock (this.requestEntryMutex)
{
MQRequestEntry cachedExchangeRequest;
if (this.cachedExchangeRequest != null)
{
cachedExchangeRequest = this.cachedExchangeRequest;
this.cachedExchangeRequest = null;
cachedExchangeRequest.Reply = null;
}
else
{
cachedExchangeRequest = new MQRequestEntry();
}
int num2 = 3;
for (MQRequestEntry entry2 = this.exchangeRequests; entry2 != null; entry2 = entry2.Next)
{
if (entry2.RequestID >= num2)
{
num2 = entry2.RequestID + 2;
}
}
cachedExchangeRequest.RequestID = num2;
if (this.exchangeRequests != null)
{
this.exchangeRequests.Previous = cachedExchangeRequest;
}
cachedExchangeRequest.Next = this.exchangeRequests;
cachedExchangeRequest.Previous = null;
this.exchangeRequests = cachedExchangeRequest;
base.TrData(method, 0, "Current RequestId allocated = ", BitConverter.GetBytes(cachedExchangeRequest.RequestID));
entry3 = cachedExchangeRequest;
}
}
finally
{
base.TrExit(method);
}
return(entry3);
}
internal void DeliverExchangeReply(int requestId, MQTSH tsh)
{
uint method = 0x61e;
this.TrEntry(method, new object[] { requestId, tsh });
try
{
tsh = this.ProcessReceivedData(tsh);
lock (this.requestEntryMutex)
{
MQRequestEntry exchangeRequests = this.exchangeRequests;
while ((exchangeRequests != null) && (exchangeRequests.RequestID != requestId))
{
exchangeRequests = exchangeRequests.Next;
}
if (exchangeRequests == null)
{
CommonServices.SetValidInserts();
CommonServices.ArithInsert1 = (uint)requestId;
CommonServices.ArithInsert2 = tsh.SegmentType;
CommonServices.CommentInsert1 = "Unexpected flow received in DeliverExchangeReply";
CommonServices.CommentInsert2 = "Cached RequestEntry is null for given RequestId";
base.FFST("%Z% %W% %I% %E% %U%", "%C%", method, 1, 0x20009546, 0);
NmqiException ex = new NmqiException(base.env, -1, null, 2, 0x893, null);
base.TrException(method, ex);
throw ex;
}
lock (exchangeRequests)
{
exchangeRequests.Reply = tsh;
Monitor.Pulse(exchangeRequests);
}
}
}
finally
{
base.TrExit(method);
}
}
internal MQTSH ExchangeTSH(MQTSH requestTsh)
{
uint method = 0x622;
this.TrEntry(method, new object[] { requestTsh });
MQTSH result = null;
try
{
MQRequestEntry entry2;
if (this.disconnected)
{
NmqiException ex = new NmqiException(base.env, -1, null, 2, 0x7d9, this.asyncFailure);
base.TrException(method, ex);
this.connectionBroken = true;
this.hconn.RaiseEvent(0x7d9);
}
MQRequestEntry entry = this.AllocateRequestEntry();
requestTsh.SetRequestId(entry.RequestID);
byte[] bytes = BitConverter.GetBytes(IPAddress.NetworkToHostOrder(entry.RequestID));
for (int i = 12; i < 0x10; i++)
{
requestTsh.TshBuffer[i] = bytes[i - 12];
}
requestTsh.ControlFlags1 = (byte)(requestTsh.ControlFlags1 | 1);
this.SendData(requestTsh.TshBuffer, 0, requestTsh.Length, requestTsh.SegmentType, 1);
Monitor.Enter(entry2 = entry);
try
{
while (entry.Reply == null)
{
Monitor.Wait(entry, this.rmtReqEntMaxPollTime, true);
if ((this.asyncFailure != null) || !this.Connection.IsConnected)
{
NmqiException exception2 = new NmqiException(base.env, -1, null, 2, 0x7d9, this.asyncFailure);
base.TrException(method, exception2);
throw exception2;
}
}
}
catch (ThreadInterruptedException exception3)
{
string str = "Interrupted while waiting for exchange reply";
CommonServices.SetValidInserts();
CommonServices.ArithInsert1 = (uint)this.conversationId;
CommonServices.ArithInsert2 = (uint)entry.RequestID;
CommonServices.CommentInsert1 = str;
base.FFST("%Z% %W% %I% %E% %U%", "%C%", method, 1, 0x8e1, 0);
NmqiException exception4 = new NmqiException(base.env, -1, null, 2, 0x893, exception3);
base.TrException(method, exception4);
throw exception4;
}
finally
{
Monitor.Exit(entry2);
}
result = entry.Reply;
this.ReleaseRequestEntry(entry);
}
finally
{
base.TrExit(method, result);
}
return(result);
}
