public object GetLookups(LookupAction actionOption, params object[] param)
{
string result = string.Empty;
string paramValues = string.Empty;
try
{
if (param != null)
{
paramValues = String.Join("/", param);
}
var uri = new Uri(String.Format(Config.BASE_SERVICE_URL + actionOption.Url + paramValues, string.Empty));
httpClient.Timeout = new TimeSpan(0, 20, 20);
response = httpClient.GetAsync(uri).Result;
if (response.IsSuccessStatusCode)
{
JsonSerializerSettings serSettings = new JsonSerializerSettings();
serSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
result = response.Content.ReadAsStringAsync().Result;
}
return(result);
}
catch
{
//handler.HandleServiceResults(null, false, ex.Message);
return(null);
}
}
public unsafe static extern int ReceiveMessageByLookupId(
QueueHandle handle,
long lookupId,
LookupAction action,
MQPROPS properties,
NativeOverlapped *overlapped,
ReceiveCallback receiveCallback,
ITransaction transaction); //MSMQ internal transaction
/// <summary>Tries to peek (or receive) a message using the queue-specific <paramref name="lookupId"/></summary>
/// <remarks>Within a transaction you cannot receive a message that you moved to a subqueue within the same transaction</remarks>
/// <param name="properties">The properties to read</param>
/// <param name="lookupId">The <see cref="Message.LookupId"/> of the message to read</param>
/// <param name="action">Receive or peek a message?</param>
/// <param name="timeout">The time allowed, defaults to infinite. Use <see cref="TimeSpan.Zero"/> to return without waiting</param>
/// <param name="transaction">can be NULL for no transaction, a <see cref="QueueTransaction"/>, <see cref="QueueTransaction.Single"/>, or <see cref="QueueTransaction.Dtc"/>.</param>
/// <returns>The message, or NULL if the message was not found or the receive times out</returns>
public unsafe Message Lookup(Properties properties, long lookupId, LookupAction action = LookupAction.ReceiveCurrent, TimeSpan?timeout = null, QueueTransaction transaction = null)
{
if (IsClosed)
{
throw new ObjectDisposedException(nameof(Queue));
}
uint timeoutMS = TimeoutInMs(timeout);
var msg = new Message();
int res;
msg.Props.SetForRead(properties);
for (;;) // loop because we might need to adjust memory size
{
var props = msg.Props.Allocate();
try
{
IntPtr txnHandle;
if (transaction.TryGetHandle(out txnHandle))
{
res = Native.ReceiveMessageByLookupId(_handle, lookupId, action, props, null, null, txnHandle);
}
else
{
res = Native.ReceiveMessageByLookupId(_handle, lookupId, action, props, null, null, transaction.InternalTransaction);
}
}
finally
{
msg.Props.Free();
}
if ((ErrorCode)res == ErrorCode.IOTimeout || (ErrorCode)res == ErrorCode.MessageNotFound)
{
return(null);
}
if (Native.NotEnoughMemory(res))
{
msg.Props.IncreaseBufferSize();
continue; // try again
}
if (Native.IsError(res))
{
throw new QueueException(res);
}
msg.Props.ResizeBody();
return(msg);
}
}
protected void RouteBatchCore(List <Tracking> sent, QueueTransaction txn)
{
long lookupId = 0;
LookupAction action = LookupAction.PeekFirst;
for (int i = 0; i < MaxBatchSize; i++)
{
// peek for the next message
var msg = _input.Lookup(Properties.All, lookupId, action, TimeSpan.Zero);
if (msg == null)
{
break;
}
action = LookupAction.PeekNext;
lookupId = msg.LookupId;
// move to the batch subqueue so we know what we sent
Queues.MoveMessage(_input, _batchQueue, msg.LookupId, txn);
// route to message to the destination
var dest = GetRoute(msg);
sent.Add(Sender.RequestDelivery(msg, dest, txn));
}
}
public Message Lookup(Properties properties, long lookupId, QueueTransaction transaction, LookupAction action = LookupAction.ReceiveCurrent, TimeSpan?timeout = null)
{
Contract.Requires(transaction != null);
return(_high.Lookup(properties, lookupId, action, timeout, transaction) ?? _low.Lookup(properties, lookupId, action, timeout, transaction));
}
