private async Task <Zongsoft.Messaging.MessageBase> DequeueOrPeekAsync(int waitSeconds)
{
var request = new HttpRequestMessage(HttpMethod.Get, this.GetRequestUrl("messages") + (waitSeconds >= 0 ? "?waitseconds=" + waitSeconds.ToString() : "?peekonly=true"));
request.Headers.Add("x-mns-version", "2015-06-06");
var response = await _http.SendAsync(request);
if (response.IsSuccessStatusCode)
{
return(MessageUtility.ResolveMessage(this, await response.Content.ReadAsStreamAsync()));
}
var exception = AliyunException.Parse(await response.Content.ReadAsStringAsync());
if (exception != null)
{
switch (exception.Code)
{
case MessageUtility.MessageNotExist:
return(null);
case MessageUtility.QueueNotExist:
throw exception;
default:
throw exception;
}
}
return(null);
}
public override async Task <DateTime> DelayAsync(TimeSpan duration)
{
if (string.IsNullOrEmpty(this.AcknowledgementId))
{
return(this.Expires);
}
var http = _queue.Http;
var request = new HttpRequestMessage(HttpMethod.Put, _queue.GetRequestUrl("messages") + "?ReceiptHandle=" + Uri.EscapeDataString(this.AcknowledgementId) + "&VisibilityTimeout=" + duration.TotalSeconds.ToString());
request.Headers.Add("x-mns-version", "2015-06-06");
var response = await http.SendAsync(request);
if (!response.IsSuccessStatusCode)
{
var exception = AliyunException.Parse(await response.Content.ReadAsStringAsync());
if (exception != null)
{
throw exception;
}
response.EnsureSuccessStatusCode();
}
var matches = _delay_regex.Matches(await response.Content.ReadAsStringAsync());
foreach (Match match in matches)
{
switch (match.Groups["tag"].Value)
{
case "ReceiptHandle":
this.AcknowledgementId = match.Groups["value"].Value;
break;
case "NextVisibleTime":
this.Expires = Utility.GetDateTimeFromEpoch(match.Groups["value"].Value);
break;
}
}
return(this.Expires);
}
public async ValueTask DelayAsync(string acknowledgementId, TimeSpan duration, CancellationToken cancellation = default)
{
if (string.IsNullOrEmpty(acknowledgementId))
{
return;
}
var request = new HttpRequestMessage(HttpMethod.Put, this.GetRequestUrl("messages") + "?ReceiptHandle=" + Uri.EscapeDataString(acknowledgementId) + "&VisibilityTimeout=" + duration.TotalSeconds.ToString());
request.Headers.Add("x-mns-version", "2015-06-06");
var response = await _http.SendAsync(request, cancellation);
if (!response.IsSuccessStatusCode)
{
var exception = AliyunException.Parse(await response.Content.ReadAsStringAsync(cancellation));
if (exception != null)
{
throw exception;
}
response.EnsureSuccessStatusCode();
}
var matches = DELAY_REGEX.Matches(await response.Content.ReadAsStringAsync(cancellation));
foreach (Match match in matches)
{
switch (match.Groups["tag"].Value)
{
case "ReceiptHandle":
acknowledgementId = match.Groups["value"].Value;
break;
case "NextVisibleTime":
var expiration = Utility.GetDateTimeFromEpoch(match.Groups["value"].Value);
break;
}
}
}
public async ValueTask <MessageQueueMessage> DequeueAsync(MessageDequeueOptions options, CancellationToken cancellation = default)
{
if (options == null)
{
options = MessageDequeueOptions.Default;
}
var waitSeconds = (long)Math.Ceiling(options.Timeout.TotalSeconds);
var request = new HttpRequestMessage(HttpMethod.Get, this.GetRequestUrl("messages") + (options != null && options.Timeout >= TimeSpan.Zero ? "?waitseconds=" + waitSeconds.ToString() : string.Empty));
request.Headers.Add("x-mns-version", "2015-06-06");
var response = await _http.SendAsync(request, cancellation);
if (response.IsSuccessStatusCode)
{
return(MessageUtility.ResolveMessage(this, await response.Content.ReadAsStreamAsync(cancellation)));
}
var exception = AliyunException.Parse(await response.Content.ReadAsStringAsync(cancellation));
if (exception != null)
{
switch (exception.Code)
{
case MessageUtility.MessageNotExist:
return(MessageQueueMessage.Empty);
case MessageUtility.QueueNotExist:
throw exception;
default:
throw exception;
}
}
return(MessageQueueMessage.Empty);
}