public static async Task <string> Run([ActivityTrigger] EventHubJobProperties ehJobProperties, TraceWriter log)
{
EventHubsConnectionStringBuilder connectionStringBuilder = new EventHubsConnectionStringBuilder(ehJobProperties.ConnectionString)
{
EntityPath = ehJobProperties.EventHub
};
string connectionString = connectionStringBuilder.ToString();
int numOfMessages = ehJobProperties.Frequency * 60 * ehJobProperties.Duration;
IEnumerable <string> messages = new List <string>(Messages.CreateMessages(numOfMessages, ehJobProperties.MessageScheme));
//IList<string> msgs = new List<string>(messages);
int secondsPerBatch = 5;
int messagesPerBatch = secondsPerBatch * ehJobProperties.Frequency;
while (messages.Count() > 0)
{
await SendMessageBatch(messages.Take(messagesPerBatch), connectionString, log);
messages = messages.Skip(messagesPerBatch);
log.Info($"sent batch of {numOfMessages} messages");
}
log.Info($"finished.");
return($"finished sending {numOfMessages} to {ehJobProperties.EventHub}!");
}
public static async Task <string> Run([ActivityTrigger] EventHubJobProperties ehJobProperties, ILogger log)
{
try
{
EventHubsConnectionStringBuilder connectionStringBuilder = new EventHubsConnectionStringBuilder(ehJobProperties.ConnectionString)
{
EntityPath = ehJobProperties.EventHub
};
string connectionString = connectionStringBuilder.ToString();
EventHubClient eventHubClient = EventHubClient.CreateFromConnectionString(connectionString);
int secondsPerJobBatch = Convert.ToInt16(Environment.GetEnvironmentVariable("secondsPerBatch"));
int messagesInJobBatch = ehJobProperties.Frequency * secondsPerJobBatch;
int messagesPerSend = 250;
IEnumerable <string> messages = Messages.CreateMessages(messagesInJobBatch, ehJobProperties.MessageScheme);
while (messages.Count() > 0)
{
var messagesToSend = messages.Take(messagesPerSend);
var ehMessages = messagesToSend.Select(m => new EventData(Encoding.UTF8.GetBytes(m)));
await eventHubClient.SendAsync(ehMessages);
messages = messages.Skip(messagesPerSend);
}
await eventHubClient.CloseAsync();
log.LogInformation($"sent batch of {messagesInJobBatch} messages");
return($"finished sending {messagesInJobBatch} to {ehJobProperties.EventHub}!");
}
catch (Exception exception)
{
log.LogInformation($"Exception: {exception.Message}");
return($"Exception: {exception.Message}");
}
}
