public static bool TryDetermineRetryDelay(HttpResponseMessage httpResponseMessage, out RetryConditionValue result)
{
result = null;
if (httpResponseMessage.Headers.RetryAfter == null)
{
return(false);
}
var retryAfterConditionHeaderValue = httpResponseMessage.Headers.RetryAfter;
if (retryAfterConditionHeaderValue.Date.HasValue)
{
result = new RetryConditionValue(retryAfterConditionHeaderValue.Date.Value);
return(true);
}
if (retryAfterConditionHeaderValue.Delta.HasValue)
{
result = new RetryConditionValue(retryAfterConditionHeaderValue.Delta.Value);
return(true);
}
return(false);
}
public void TestTopicMessageWithRetryTimeSpan()
{
using (var client = new FcmClient(new IntegrationTestOptions("TopicMessage_WithRetryTimeSpan")))
{
CancellationTokenSource cts = new CancellationTokenSource();
var message = new TopicUnicastMessage <int>(new FcmMessageOptionsBuilder().Build(), new Topic("a"), 1);
bool isRetryExceptionCaught = false;
try
{
var result = client.SendAsync(message, cts.Token).GetAwaiter().GetResult();
}
catch (FcmRetryAfterException e)
{
RetryConditionValue retryConditionValue = e.RetryConditionValue;
Assert.IsNotNull(retryConditionValue);
Assert.IsNull(retryConditionValue.Date);
// 1 Minute Delta
Assert.AreEqual(retryConditionValue.Delta, TimeSpan.FromMinutes(1));
isRetryExceptionCaught = true;
}
Assert.AreEqual(true, isRetryExceptionCaught);
}
}
public void TestTopicMessageWithRetryDateTimeOffset()
{
using (var client = new FcmClient(new IntegrationTestOptions("TopicMessage_WithRetry")))
{
CancellationTokenSource cts = new CancellationTokenSource();
var message = new TopicUnicastMessage <int>(new FcmMessageOptionsBuilder().Build(), new Topic("a"), 1);
bool isRetryExceptionCaught = false;
try
{
var result = client.SendAsync(message, cts.Token).GetAwaiter().GetResult();
}
catch (FcmRetryAfterException e)
{
RetryConditionValue retryConditionValue = e.RetryConditionValue;
Assert.IsNotNull(retryConditionValue);
Assert.IsNull(retryConditionValue.Delta);
// Fri, 31 Dec 1999 23:59:59 GMT
Assert.AreEqual(new DateTimeOffset(1999, 12, 31, 23, 59, 59, TimeSpan.FromHours(0)), retryConditionValue.Date);
isRetryExceptionCaught = true;
}
Assert.AreEqual(true, isRetryExceptionCaught);
}
}
public FcmRetryAfterException(string message, Exception innerException, RetryConditionValue retryConditionValue) : base(message, innerException)
{
RetryConditionValue = retryConditionValue;
}
public FcmRetryAfterException(RetryConditionValue retryConditionValue)
{
RetryConditionValue = retryConditionValue;
}
