public override async Task SendMessagesAsync(string messageBody)
{
var sb = new StringBuilder();
sb.Append('A', Convert.ToInt32(messageBody));
var sequenceNo = 0;
var size = System.Text.ASCIIEncoding.ASCII.GetByteCount(sb.ToString());
Console.WriteLine($"Mesage size : {size} bytes");
if (size < 256000)
{
Console.Write($"Are you sure to continue? [Y/N] ");
var val = Console.ReadLine();
if (val.Equals("N"))
{
return;
}
}
var bigMessage = new VeryBigDataType();
bigMessage.BigValue = sb.ToString();
var sessionId = Guid.NewGuid().ToString();
var correlationId = Guid.NewGuid().ToString();
await SendMessageAsync(bigMessage, sessionId, correlationId);
}
private async Task SendMessageAsync(VeryBigDataType o, string sessionId, string correlationId)
{
QueueClient queueClient = new QueueClient(ServiceBusConnectionString, QueueName, ReceiveMode.PeekLock);
var sendTasks = new List <Task>();
var requestData = SerializationHelper.Serialize(o.BigValue);
var msgSize = System.Text.ASCIIEncoding.ASCII.GetByteCount(o.BigValue);
var sequenceNo = 0;
int chunkSize = getChunkSize((double)requestData.Length);
using (var scope = new TransactionScope())
{
//var chunkSize = 4096;
var expectedNo = (double)requestData.Length / chunkSize;
var expectedNoMessages = (int)Math.Ceiling(expectedNo);
var bytesToRead = requestData.Length;
var nextRead = chunkSize;
var lastChunk = false;
byte[] buffer = new byte[chunkSize];
while (bytesToRead > 0)
{
sequenceNo++;
if (bytesToRead < chunkSize)
{
lastChunk = true;
}
if (lastChunk)
{
buffer = new byte[bytesToRead];
nextRead = (int)bytesToRead;
}
requestData.Read(buffer, 0, nextRead);
//var serviceBusMessageBody = new MemoryStream();
//serviceBusMessageBody.Write(buffer, 0, buffer.Length);
//serviceBusMessageBody.Flush();
//serviceBusMessageBody.Seek(0, SeekOrigin.Begin);
//var serviceBusMessage = new BrokeredMessage(serviceBusMessageBody, false);
//serviceBusMessage.SessionId = sessionId;
//serviceBusMessage.CorrelationId = correlationId;
//serviceBusMessage.ContentType = "application/json";
//serviceBusMessage.ReplyToSessionId = sessionId;
//serviceBusMessage.ReplyTo = ResponseQueue;
//serviceBusMessage.Properties.Add("MessageNo", sequenceNo);
//serviceBusMessage.Properties.Add("TotalMessages", expectedNoMessages);
var serviceBusMessage = new Message(buffer);
serviceBusMessage.SessionId = sessionId;
//serviceBusMessage.CorrelationId = correlationId;
serviceBusMessage.ContentType = "application/json";
//serviceBusMessage.ReplyToSessionId = sessionId;
//serviceBusMessage.ReplyTo = ResponseQueue;
serviceBusMessage.UserProperties.Add("MessageNo", sequenceNo);
serviceBusMessage.UserProperties.Add("TotalMessages", expectedNoMessages);
serviceBusMessage.Label = "test sequence message";
if (lastChunk)
{
serviceBusMessage.UserProperties.Add(new KeyValuePair <string, object>("EOF", true));
}
Console.WriteLine(string.Format("Sending message {0}", sequenceNo));
sendTasks.Add(queueClient.SendAsync(serviceBusMessage));
//await queueClient.SendAsync(serviceBusMessage);
bytesToRead = bytesToRead - nextRead;
}
Task.WaitAll(sendTasks.ToArray());
scope.Complete();
}
Console.WriteLine($"Message with sessionId {sessionId} has sent successfully to Queue : {QueueName}!");
await queueClient.CloseAsync();
Console.Write(string.Format("{0} messages sent", sequenceNo));
Console.WriteLine();
}
