/// <summary>
/// Constructs an instance with the given configuration, and the default jitter.
/// </summary>
/// <param name="retryBackoff">The backoff policy for the time between retries. Must not be null.</param>
/// <param name="timeoutBackoff">The backoff policy for timeouts of retries. Must not be null.</param>
/// <param name="totalExpiration">The total expiration, across all retries. Must not be null.</param>
/// <param name="retryFilter">A predicate to determine whether or not a particular exception should cause the operation to be retried,
/// or null for the default filter.</param>
public RetrySettings(
BackoffSettings retryBackoff,
BackoffSettings timeoutBackoff,
Expiration totalExpiration,
Predicate<RpcException> retryFilter) : this(retryBackoff, timeoutBackoff, totalExpiration, retryFilter, null)
{
}
public SET(Key key, BulkString value, Expiration expiration, Condition?condition = null)
{
this.key = key;
this.value = value;
this.expiration = expiration;
this.condition = condition;
}
CacheItem CreateCacheItem(object value, Expiration expiration)
{
DateTime absolute = Cache.NoAbsoluteExpiration;
TimeSpan sliding = Cache.NoSlidingExpiration;
if (expiration != null)
{
switch (expiration.ExpirationType)
{
case ExpirationType.Absolute:
absolute = DateTime.Now.AddMinutes(expiration.Duration);
break;
case ExpirationType.Sliding:
sliding = TimeSpan.FromMinutes(expiration.Duration);
break;
}
}
CacheItem item = new CacheItem(value);
item.AbsoluteExpiration = absolute;
item.SlidingExpiration = sliding;
return(item);
}
public async Task ErrorWithBackoffAfterDeadline_FailsRetry()
{
// Create a clock that starts at zero ticks.
var clock = new FakeClock(0);
var scheduler = new AdvanceFakeClockScheduler(clock);
var callSettings = CallSettings.FromExpiration(Expiration.FromDeadline(new DateTime(TimeSpan.FromSeconds(10).Ticks, DateTimeKind.Utc)));
var state = new RetryState(clock, scheduler, s_retrySettings, callSettings);
// The retry info contains a wait time that is past the deadline of the call.
// The retry state will throw a DeadlineExceeded error without waiting.
var retryInfo = new Rpc.RetryInfo {
RetryDelay = Duration.FromTimeSpan(TimeSpan.FromSeconds(20))
};
Metadata trailers = new Metadata
{
{ RetryState.RetryInfoKey, retryInfo.ToByteArray() }
};
var exception = new RpcException(new Status(StatusCode.Unavailable, "Bang"), trailers);
Assert.True(state.CanRetry(exception));
await Assert.ThrowsAsync <RpcException>(() => state.WaitAsync(exception, default));
// Check that the clock has not been advanced to verify that the retry state did not wait 20 seconds
// before throwing an exception.
Assert.Equal(0, clock.GetCurrentDateTimeUtc().Ticks);
}
public async Task ConsecutiveErrors_FailsRetryWhenDeadlineExceeded()
{
var clock = new FakeClock(0);
var scheduler = new AdvanceFakeClockScheduler(clock);
var callSettings = CallSettings.FromExpiration(Expiration.FromDeadline(new DateTime(TimeSpan.FromSeconds(7).Ticks, DateTimeKind.Utc)));
var state = new RetryState(clock, scheduler, s_retrySettings, callSettings);
var retryInfo = new Rpc.RetryInfo {
RetryDelay = Duration.FromTimeSpan(TimeSpan.FromSeconds(3))
};
Metadata trailers = new Metadata
{
{ RetryState.RetryInfoKey, retryInfo.ToByteArray() }
};
var exception = new RpcException(new Status(StatusCode.Unavailable, "Bang"), trailers);
Assert.True(state.CanRetry(exception));
await state.WaitAsync(exception, default);
Assert.True(state.CanRetry(exception));
await state.WaitAsync(exception, default);
Assert.True(state.CanRetry(exception));
await Assert.ThrowsAsync <RpcException>(() => state.WaitAsync(exception, default));
// Verify that the clock has been advanced 6 seconds.
Assert.Equal(TimeSpan.FromSeconds(6).Ticks, clock.GetCurrentDateTimeUtc().Ticks);
}
/// <summary>
/// Updates the call settings with configuration parameters.
/// </summary>
/// <param name="callSettings">The call settings.</param>
/// <param name="config">The configuration.</param>
/// <param name="serviceContext">The service context.</param>
/// <returns></returns>
private CallSettings UpdateCallSettingsWithConfigParameters(CallSettings callSettings,
GoogleAdsConfig config, GoogleAdsServiceContext serviceContext)
{
callSettings = callSettings.WithHeader(MetadataKeyNames.DeveloperToken,
config.DeveloperToken)
.WithResponseMetadataHandler(delegate(Metadata metadata)
{
AdsResponseMetadata responseMetadata = new AdsResponseMetadata(metadata);
serviceContext.OnResponseMetadataReceived(responseMetadata);
});
if (!string.IsNullOrEmpty(config.LoginCustomerId))
{
callSettings = callSettings.WithHeader(MetadataKeyNames.LoginCustomerId,
config.LoginCustomerId);
}
if (!string.IsNullOrEmpty(config.LinkedCustomerId))
{
callSettings = callSettings.WithHeader(MetadataKeyNames.LinkedCustomerId,
config.LinkedCustomerId);
}
if (!string.IsNullOrEmpty(config.LibraryIdentifierOverride))
{
callSettings = callSettings.WithHeader(MetadataKeyNames.LibraryIdentifier,
config.LibraryIdentifierOverride);
}
callSettings = callSettings.WithExpiration(Expiration.FromTimeout(
TimeSpan.FromMilliseconds(config.Timeout)));
return(callSettings);
}
/// <summary>验证数据，通过抛出异常的方式提示验证失败。</summary>
/// <param name="isNew">是否插入</param>
public override void Valid(Boolean isNew)
{
// 如果没有脏数据，则不需要进行任何处理
if (!HasDirty)
{
return;
}
// 这里验证参数范围，建议抛出参数异常，指定参数名，前端用户界面可以捕获参数异常并聚焦到对应的参数输入框
if (Created.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Created), "Created不能为空！");
}
if (Expiration.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Expiration), "Expiration不能为空！");
}
if (Description.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Description), "Description不能为空！");
}
if (Value.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Value), "Value不能为空！");
}
if (Type.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Type), "Type不能为空！");
}
// 在新插入数据或者修改了指定字段时进行修正
}
public bool IsValid()
{
ErrorString = string.Empty;
if (String.IsNullOrEmpty(Name))
{
ErrorString = Resources.Currency.errDeadlineNoName;
}
if (RegenSpan <= 0 && RegenType != RegenUnit.None)
{
ErrorString = Resources.Currency.errDeadlineNoSpan;
}
if (!Expiration.HasValue() && AircraftHours <= 0)
{
ErrorString = Resources.Currency.errDeadlineNoDate;
}
if (Expiration.HasValue() && AircraftHours > 0)
{
ErrorString = Resources.Currency.errDeadlineHoursOrDate;
}
if (AircraftHours > 0 && AircraftID <= 0)
{
ErrorString = Resources.Currency.errDeadlineHoursWithoutAircraft;
}
return(ErrorString.Length == 0);
}
/// <summary>
/// Saves (inserts or updates) the deadline currency into the DB
/// </summary>
public bool FCommit()
{
if (!IsValid())
{
return(false);
}
if (AircraftID <= 0)
{
AircraftID = 0;
AircraftHours = 0;
}
string szQ = String.Format(CultureInfo.InvariantCulture, "{0} SET username=?user, Name=?displayname, Expiration=?expiration, RegenSpan=?regenspan, RegenUnit=?regentype, aircraftID=?aircraft, aircraftHours=?hours {1}",
ID == idUnknownDeadline ? "INSERT INTO deadlines" : "UPDATE deadlines", ID == idUnknownDeadline ? string.Empty : "WHERE idDeadlines=?id");
DBHelper dbh = new DBHelper(szQ);
dbh.DoNonQuery(
(comm) =>
{
comm.Parameters.AddWithValue("expiration", Expiration.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
comm.Parameters.AddWithValue("regenspan", RegenSpan);
comm.Parameters.AddWithValue("regentype", (int)RegenType);
comm.Parameters.AddWithValue("user", Username);
comm.Parameters.AddWithValue("displayname", Name.LimitTo(255));
comm.Parameters.AddWithValue("aircraft", AircraftID);
comm.Parameters.AddWithValue("hours", AircraftHours);
comm.Parameters.AddWithValue("id", ID);
});
ErrorString = dbh.LastError;
return(ErrorString.Length == 0);
}
public void Sub1MultiplierProhibitied()
{
var expiration = Expiration.FromTimeout(TimeSpan.FromSeconds(1));
Assert.Throws <ArgumentOutOfRangeException>(
() => new PollSettings(expiration, TimeSpan.FromSeconds(2), 0.9, TimeSpan.FromSeconds(2)));
}
public void RetrySettingsTiming()
{
// Sample: RetrySettingsTiming
// The overall operation mustn't take more than 30 seconds.
Expiration totalExpiration = Expiration.FromTimeout(TimeSpan.FromSeconds(30));
// The delay between one RPC finishing and when we make the next one.
// Each delay is double the previous one, with a maximum of 5s.
// The first delay is 1s, then 2s, then 4s, then 5s, then 5s, etc.
BackoffSettings retryBackoff = new BackoffSettings(
delay: TimeSpan.FromSeconds(1),
maxDelay: TimeSpan.FromSeconds(5),
delayMultiplier: 2.0);
// How long each individual RPC is allowed to take.
// Each timeout is 1.5x the previous one, with a maximum of 10s.
// The first timeout is 4s, then 6s, then 9s, then 10s, then 10s etc.
BackoffSettings timeoutBackoff = new BackoffSettings(
delay: TimeSpan.FromSeconds(4),
maxDelay: TimeSpan.FromSeconds(10),
delayMultiplier: 1.5);
RetrySettings settings = new RetrySettings(retryBackoff, timeoutBackoff, totalExpiration);
// End sample
}
public void NegativeMaxDelayProhibitied()
{
var expiration = Expiration.FromTimeout(TimeSpan.FromSeconds(1));
Assert.Throws <ArgumentOutOfRangeException>(
() => new PollSettings(expiration, TimeSpan.FromSeconds(2), 1.0, TimeSpan.FromSeconds(-2)));
}
/// <summary>
/// Creates a distributed list to which instances of customers are to be added
/// </summary>
/// be the key against which distributed list is to be stored.</param>
private static void CreateListWithDataTypeAttributes()
{
//Attribute NamedTags Dictionary
NamedTagsDictionary namedTags = new NamedTagsDictionary();
namedTags.Add("Customers", "Loyal");
//Expiration
Expiration expiration = new Expiration(ExpirationType.Absolute, new TimeSpan(0, 1, 0));
//with Tag Frequent
Tag tag = new Tag("Frequent");
//Group for distributed datatype
string group = "Potential";
// Item priority Default
CacheItemPriority cacheItemPriority = CacheItemPriority.Default;
// Resync Operation is disabled
ResyncOptions resyncOptions = new ResyncOptions(false);
DataTypeAttributes attributes = new DataTypeAttributes
{
Expiration = expiration,
NamedTags = namedTags,
Group = group,
ResyncOptions = resyncOptions,
Priority = cacheItemPriority
};
// Creating distributed list with the defined attributes
_cache.DataTypeManager.CreateList <Customer>(_datatype, attributes);
}
// [START monitoring_uptime_check_create]
public static object CreateUptimeCheck(string projectId, string hostName,
string displayName)
{
// Define a new config.
var config = new UptimeCheckConfig()
{
DisplayName = displayName,
MonitoredResource = new MonitoredResource()
{
Type = "uptime_url",
Labels = { { "host", hostName } }
},
HttpCheck = new UptimeCheckConfig.Types.HttpCheck()
{
Path = "/",
Port = 80,
},
Timeout = TimeSpan.FromSeconds(10).ToDuration(),
Period = TimeSpan.FromMinutes(5).ToDuration()
};
// Create a client.
var client = UptimeCheckServiceClient.Create();
ProjectName projectName = new ProjectName(projectId);
// Create the config.
var newConfig = client.CreateUptimeCheckConfig(
projectName,
config,
CallSettings.FromExpiration(
Expiration.FromTimeout(
TimeSpan.FromMinutes(2))));
Console.WriteLine(newConfig.Name);
return(0);
}
public async Task ResetDeadline()
{
var clock = new FakeClock(0);
var scheduler = new AdvanceFakeClockScheduler(clock);
var callSettings = CallSettings.FromExpiration(Expiration.FromDeadline(new DateTime(TimeSpan.FromSeconds(7).Ticks, DateTimeKind.Utc)));
var state = new RetryState(clock, scheduler, s_retrySettings, callSettings);
var retryInfo = new Rpc.RetryInfo {
RetryDelay = Duration.FromTimeSpan(TimeSpan.FromSeconds(3))
};
Metadata trailers = new Metadata
{
{ RetryState.RetryInfoKey, retryInfo.ToByteArray() }
};
var exception = new RpcException(new Status(StatusCode.Unavailable, "Bang"), trailers);
Assert.True(state.CanRetry(exception));
await state.WaitAsync(exception, default);
Assert.True(state.CanRetry(exception));
await state.WaitAsync(exception, default);
// Reset does not change the absolute deadline of the call.
// The next retry attempt will therefore fail.
state.Reset();
Assert.True(state.CanRetry(exception));
await Assert.ThrowsAsync <RpcException>(() => state.WaitAsync(exception, default));
Assert.Equal(TimeSpan.FromSeconds(6).Ticks, clock.GetCurrentDateTimeUtc().Ticks);
}
public async Task MultipleCallsEventualSuccess(bool async, bool serverStreaming)
{
var callDuration = TimeSpan.FromTicks(300);
var failures = 4; // Fifth call will succeed
var name = "name"; // Copied from request to response
var scheduler = new FakeScheduler();
var time0 = scheduler.Clock.GetCurrentDateTimeUtc();
var server = new Server(failures, callDuration, scheduler);
var retrySettings = new RetrySettings(
retryBackoff: DoublingBackoff,
timeoutBackoff: ConstantBackoff,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromSeconds(1)),
retryFilter: null,
delayJitter: RetrySettings.NoJitter);
await scheduler.RunAsync(async() =>
{
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = name
};
var result = await Call(async, serverStreaming, scheduler, server, request, callSettings);
Assert.Equal(name, result.Name);
});
var firstCall = time0;
var secondCall = firstCall + callDuration + TimeSpan.FromTicks(1000); // Delay for 1000 ticks
var thirdCall = secondCall + callDuration + TimeSpan.FromTicks(2000); // Delay for 2000 ticks
var fourthCall = thirdCall + callDuration + TimeSpan.FromTicks(4000); // Delay for 4000 ticks
var fifthCall = fourthCall + callDuration + TimeSpan.FromTicks(5000); // Delay for 5000 ticks, as that's the max
server.AssertCallTimes(firstCall, secondCall, thirdCall, fourthCall, fifthCall);
// Time of last action was when the call returned
Assert.Equal(fifthCall + callDuration, scheduler.Clock.GetCurrentDateTimeUtc());
}
public async Task CanAddALotOfEntitiesWithSameExpiry_ThenReadItBeforeItExpires_ButWillNotBeAbleToReadItAfterExpiry(int count)
{
using (var expiration = new Expiration())
{
await expiration.CanAddALotOfEntitiesWithSameExpiry_ThenReadItBeforeItExpires_ButWillNotBeAbleToReadItAfterExpiry(count);
}
}
/// <summary>
/// Constructs an instance with the given configuration, and the default jitter.
/// </summary>
/// <param name="retryBackoff">The backoff policy for the time between retries. Must not be null.</param>
/// <param name="timeoutBackoff">The backoff policy for timeouts of retries. Must not be null.</param>
/// <param name="totalExpiration">The total expiration, across all retries. Must not be null.</param>
/// <param name="retryFilter">A predicate to determine whether or not a particular exception should cause the operation to be retried,
/// or null for the default filter.</param>
public RetrySettings(
BackoffSettings retryBackoff,
BackoffSettings timeoutBackoff,
Expiration totalExpiration,
Predicate <RpcException> retryFilter) : this(retryBackoff, timeoutBackoff, totalExpiration, retryFilter, null)
{
}
public async Task RetryAfterTotalExpiration()
{
var settings = new BigtableServiceApiSettings();
// Don't allow for any time to retry.
settings.MutateRowsSettings = CallSettings.FromExpiration(Expiration.FromTimeout(TimeSpan.Zero));
var request = new MutateRowsRequest
{
Entries =
{
Mutations.CreateEntry("a", Mutations.DeleteFromRow()),
Mutations.CreateEntry("b", Mutations.DeleteFromRow()),
Mutations.CreateEntry("c", Mutations.DeleteFromRow())
}
};
var client = Utilities.CreateMutateRowsMockClient(
request,
entriesForInitialStream: new[]
{
Utilities.CreateMutateRowsResponseEntry(0, Code.Ok),
Utilities.CreateMutateRowsResponseEntry(1, Code.DeadlineExceeded),
Utilities.CreateMutateRowsResponseEntry(2, Code.Ok)
},
entriesForRetryStreams: new[]
{
// 1st retry response entries
new[] { Utilities.CreateMutateRowsResponseEntry(0, Code.Ok) }
},
settings: settings);
var exception = await Assert.ThrowsAsync <RpcException>(() => client.MutateRowsAsync(request));
Assert.Equal(StatusCode.DeadlineExceeded, exception.StatusCode);
}
public override string ToString()
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine($"Domain: {Domain}");
stringBuilder.AppendLine($"Registry Domain Id: {DomainId}");
stringBuilder.AppendLine($"Registrar WhoIs Server: {WhoIsServer}");
stringBuilder.AppendLine($"Registrar Url: {Url}");
stringBuilder.AppendLine($"Updated Date: {Updated.ToString()}");
stringBuilder.AppendLine($"Creation Date: {Created.ToString()}");
stringBuilder.AppendLine($"Expiration Date: {Expiration.ToString()}");
stringBuilder.AppendLine($"Registrar: {Registrar}");
stringBuilder.AppendLine($"Registrar IANA Id: {IANAId}");
stringBuilder.AppendLine($"Registrar Abuse Contact Email: {AbuseContactEmail}");
stringBuilder.AppendLine($"Registrar Abuse Contact Phone: {AbuseContactPhone}");
stringBuilder.AppendLine($"{Environment.NewLine}Name Servers{Environment.NewLine}");
foreach (var nameServer in NameServers)
{
stringBuilder.AppendLine($"\tDomain: {nameServer.Domain}");
}
stringBuilder.AppendLine(" ");
stringBuilder.AppendLine($"DNSSec: {DNSSec}");
return(stringBuilder.ToString());
}
/// <summary>
/// Gets the hash code for this object.
/// </summary>
/// <returns>
/// The hash code for this object.
/// </returns>
/// <remarks>
/// * CA2218:
/// * If two objects are equal in value based on the Equals override, they must both return the same value for calls
/// to GetHashCode.
/// * GetHashCode must be overridden whenever Equals is overridden.
/// * It is fine if the value overflows.
/// </remarks>
public override int GetHashCode()
{
int result = Id.GetHashCode() +
GlobalUserId.GetHashCode() +
Expiration.GetHashCode() +
CardBrand.GetHashCode() +
RewardPrograms.GetHashCode();
if (NameOnCard != null)
{
result += NameOnCard.GetHashCode();
}
if (LastFourDigits != null)
{
result += LastFourDigits.GetHashCode();
}
if (PanToken != null)
{
result += PanToken.GetHashCode();
}
return(result);
}
public async Task PollUntilCompletedAsync_AlreadyCompleted()
{
var client = new FakeOperationsClient();
client.AddSuccessfulOperation("op", client.Clock.GetCurrentDateTimeUtc(), new StringValue {
Value = "result"
});
var initial = Operation <StringValue, Timestamp> .PollOnceFromName("op", client);
Assert.True(initial.IsCompleted);
var expectedMetadata = GenerateExpectedMetadata(client.Clock, 0);
List <Timestamp> actualMetadata = new List <Timestamp>();
await client.FakeScheduler.RunAsync(async() =>
{
Assert.Equal(1, client.RequestCount);
var settings = new PollSettings(Expiration.FromTimeout(TimeSpan.FromSeconds(5)), TimeSpan.FromSeconds(2));
var final = await initial.PollUntilCompletedAsync(settings, metadataCallback: actualMetadata.Add);
Assert.Equal("result", final.Result.Value);
// No more requests due to PollUntilCompletedAsync call
Assert.Equal(1, client.RequestCount);
});
// Metadata was still added despite no RPCs being made
Assert.Equal(expectedMetadata, actualMetadata);
}
public Uri GetAuthorizationUrl(string applicationName, Scope scope, Expiration expiration)
{
Guard.NotNullOrEmpty(applicationName, "applicationName");
return(new Uri(string.Format("{0}/connect?key={1}&name={2}&response_type=token&scope={3}&expiration={4}",
BaseUrl, _applicationKey, applicationName, scope.ToScopeString(), expiration.ToExpirationString())));
}
public async Task RetryCancellation(bool serverStreaming, [CombinatorialValues(1500, 3500)] int delayMs)
{
// Note: Cannot test cancellation during wait for response header, due to FakeScheduler shortcomings.
var async = true;
var scheduler = new FakeScheduler();
var time0 = scheduler.Clock.GetCurrentDateTimeUtc();
var server = new Server(10, TimeSpan.FromSeconds(1), scheduler);
var retrySettings = new RetrySettings(
retryBackoff: new BackoffSettings(TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(1), 1.0),
timeoutBackoff: new BackoffSettings(TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(1), 1.0),
delayJitter: RetrySettings.NoJitter,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromSeconds(10)),
retryFilter: RetrySettings.DefaultFilter);
var delay = TimeSpan.FromMilliseconds(delayMs);
Task task = scheduler.RunAsync(async() =>
{
var cts = new CancellationTokenSource();
var unused = Task.Run(async() =>
{
await scheduler.Delay(delay);
cts.Cancel();
});
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings)).WithCancellationToken(cts.Token);
var request = new SimpleRequest {
Name = "irrelevant"
};
await Call(async, serverStreaming, scheduler, server, request, callSettings);
});
await Assert.ThrowsAsync <TaskCanceledException>(() => task);
Assert.Equal(time0 + delay, scheduler.Clock.GetCurrentDateTimeUtc());
}
public static Expiration GetExpiration(DateTime absoluteExpiration, TimeSpan slidingExpiration)
{
#region Creating Sliding Expiration
var modernSlidingExpiration = new Expiration(ExpirationType.None);
if (slidingExpiration != TimeSpan.Zero)
{
modernSlidingExpiration = new Expiration(ExpirationType.Sliding, slidingExpiration);
}
#endregion
#region Creating Absolute Expiration
var modernAbsoluteExpiration = new Expiration(ExpirationType.None);
if (absoluteExpiration.ToUniversalTime() != DateTime.MaxValue.ToUniversalTime())
{
modernAbsoluteExpiration = new Expiration(ExpirationType.Absolute, absoluteExpiration.ToLocalTime() - DateTime.Now.ToLocalTime());
}
#endregion
return(modernAbsoluteExpiration.Type == ExpirationType.None ? modernSlidingExpiration : modernAbsoluteExpiration);
}
public async Task RetryFilter_EventualSuccess(bool async, bool serverStreaming)
{
StatusCode failureCode = StatusCode.NotFound;
StatusCode[] filterCodes = new[] { StatusCode.NotFound, StatusCode.DeadlineExceeded };
var callDuration = TimeSpan.FromTicks(100);
var failures = 1;
var scheduler = new FakeScheduler();
var server = new Server(failures, callDuration, scheduler, failureCode);
// We're not really interested in the timing in this test.
var retrySettings = new RetrySettings(
retryBackoff: ConstantBackoff,
timeoutBackoff: ConstantBackoff,
delayJitter: RetrySettings.NoJitter,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromSeconds(1)),
retryFilter: RetrySettings.FilterForStatusCodes(filterCodes));
await scheduler.RunAsync(async() =>
{
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = "irrelevant"
};
await Call(async, serverStreaming, scheduler, server, request, callSettings);
});
Assert.True(server.CallTimes.Count() > 1);
}
public async Task RetryFilter_EventualFailure(bool async, bool serverStreaming, StatusCode failureCode, StatusCode[] filterCodes)
{
var callDuration = TimeSpan.FromTicks(100);
var failures = 1;
var scheduler = new FakeScheduler();
var server = new Server(failures, callDuration, scheduler, failureCode);
// We're not really interested in the timing in this test.
var retrySettings = new RetrySettings(
retryBackoff: ConstantBackoff,
timeoutBackoff: ConstantBackoff,
delayJitter: RetrySettings.NoJitter,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromSeconds(1)),
retryFilter: RetrySettings.FilterForStatusCodes(filterCodes));
var task = scheduler.RunAsync(async() =>
{
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = "irrelevant"
};
await Call(async, serverStreaming, scheduler, server, request, callSettings);
});
await Assert.ThrowsAsync <RpcException>(() => task);
Assert.Equal(1, server.CallTimes.Count());
}
public async Task CallSettingsDeadlineIsObserved(bool async, bool serverStreaming)
{
var callDuration = TimeSpan.FromTicks(300);
var failures = 4; // Fifth call would succeed, but we won't get that far.
var scheduler = new FakeScheduler();
var time0 = scheduler.Clock.GetCurrentDateTimeUtc();
var server = new Server(failures, callDuration, scheduler);
var callable = server.Callable;
var retrySettings = new RetrySettings(
retryBackoff: DoublingBackoff,
timeoutBackoff: ConstantBackoff,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromTicks(2500)),
retryFilter: null,
delayJitter: RetrySettings.NoJitter);
var task = scheduler.RunAsync(async() =>
{
// Expiration makes it fail while waiting to make third call
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = "irrelevant"
};
await Call(async, serverStreaming, scheduler, server, request, callSettings);
});
await Assert.ThrowsAsync <RpcException>(() => task);
var firstCall = time0;
var secondCall = firstCall + callDuration + TimeSpan.FromTicks(1000);
server.AssertCallTimes(firstCall, secondCall);
// We fail immediately when we work out that we would time out before we make the third
// call - so this is before the actual total timeout.
Assert.Equal((secondCall + callDuration).Ticks, scheduler.Clock.GetCurrentDateTimeUtc().Ticks);
}
public async Task ExponentialTimeouts(bool async, bool serverStreaming)
{
var callDuration = TimeSpan.FromTicks(300);
var failures = 2;
var scheduler = new FakeScheduler();
var time0 = scheduler.Clock.GetCurrentDateTimeUtc();
var server = new Server(failures, callDuration, scheduler);
var callable = server.Callable;
var retrySettings = new RetrySettings(
retryBackoff: ConstantBackoff, // 1500 ticks always
timeoutBackoff: DoublingBackoff, // 1000, then 2000, then 4000
totalExpiration: Expiration.FromTimeout(TimeSpan.FromTicks(4500)),
retryFilter: null,
delayJitter: RetrySettings.NoJitter);
await scheduler.RunAsync(async() =>
{
// Expiration truncates the third timeout. We expect:
// Call 1: t=0, deadline=1000, completes at 300
// Call 2: t=1800, deadline=3800 (2000+1800), completes at 2100
// Call 3, t=3600, deadline=4500 (would be 7600, but overall deadline truncates), completes at 3900 (with success)
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = "irrelevant"
};
await Call(async, serverStreaming, scheduler, server, request, callSettings);
});
server.AssertCallTimes(time0, time0 + TimeSpan.FromTicks(1800), time0 + TimeSpan.FromTicks(3600));
server.AssertDeadlines(time0 + TimeSpan.FromTicks(1000), time0 + TimeSpan.FromTicks(3800), time0 + TimeSpan.FromTicks(4500));
Assert.Equal(3900L, scheduler.Clock.GetCurrentDateTimeUtc().Ticks);
}
/// <summary>
/// Creates a service context that binds the service, callsettings and the client.
/// </summary>
/// <param name="config">The configuration.</param>
/// <returns>The service context.</returns>
private GoogleAdsServiceContext CreateServiceContext(GoogleAdsConfig config)
{
GoogleAdsServiceContext serviceContext = new GoogleAdsServiceContext();
CallSettings callSettings = CallSettings.FromCallTiming(
CallTiming.FromRetry(new RetrySettings(
retryBackoff : backoffSettings,
timeoutBackoff : backoffSettings,
totalExpiration : Expiration.FromTimeout(TimeSpan.FromMilliseconds(
config.Timeout)),
retryFilter : retryFilter
)))
.WithHeader(GoogleAdsConfig.DEVELOPER_TOKEN_KEYNAME, config.DeveloperToken)
.WithResponseMetadataHandler(delegate(Metadata metadata)
{
GoogleAdsResponseMetadata responseMetadata = new GoogleAdsResponseMetadata(metadata);
serviceContext.OnResponseMetadataReceived(responseMetadata);
});
if (!string.IsNullOrEmpty(config.LoginCustomerId))
{
callSettings.WithHeader("login-customer-id", config.LoginCustomerId);
}
serviceContext.CallSettings = callSettings;
return(serviceContext);
}
public async Task FirstCallSucceeds(bool async, bool serverStreaming)
{
var name = "name"; // Copied from request to response
var scheduler = new FakeScheduler();
var time0 = scheduler.Clock.GetCurrentDateTimeUtc();
var server = new Server(0, TimeSpan.FromTicks(300), scheduler);
var retrySettings = new RetrySettings(
retryBackoff: DoublingBackoff,
timeoutBackoff: ConstantBackoff,
totalExpiration: Expiration.FromTimeout(TimeSpan.FromSeconds(1)),
retryFilter: null,
delayJitter: RetrySettings.NoJitter);
await scheduler.RunAsync(async() =>
{
var callSettings = CallSettings.FromCallTiming(CallTiming.FromRetry(retrySettings));
var request = new SimpleRequest {
Name = name
};
var result = await Call(async, serverStreaming, scheduler, server, request, callSettings);
Assert.Equal(name, result.Name);
});
server.AssertCallTimes(time0);
// Time of last action was when the call returned
Assert.Equal(300, scheduler.Clock.GetCurrentDateTimeUtc().Ticks);
}
public Task<Uri> GetAuthorizationUri(string applicationName, Scope scope, Expiration expiration, Uri callbackUri = null)
{
return _client.GetAuthorizationUri(applicationName, scope, expiration, callbackUri);
}
private CallTiming(RetrySettings retry, Expiration expiration)
{
Retry = retry;
Expiration = expiration;
}
public Uri GetAuthorizationUrl(string applicationName, Scope scope, Expiration expiration = Expiration.ThirtyDays)
{
return _restClient.GetAuthorizationUrl(applicationName, scope, expiration);
}
/// <summary>
/// Constructs an instance with the given backoff configuration, the default RPC filter and
/// jitter.
/// </summary>
/// <param name="retryBackoff">The backoff policy for the time between retries. Must not be null.</param>
/// <param name="timeoutBackoff">The backoff policy for timeouts of retries. Must not be null.</param>
/// <param name="totalExpiration">The total expiration, across all retries. Must not be null.</param>
public RetrySettings(
BackoffSettings retryBackoff,
BackoffSettings timeoutBackoff,
Expiration totalExpiration) : this(retryBackoff, timeoutBackoff, totalExpiration, null, null)
{
}
/// <summary>
/// Create a <see cref="CallTiming"/> with a simple expiration; no retry.
/// </summary>
/// <param name="expiration">The <see cref="Google.Api.Gax.Expiration"/> for a call without retry.</param>
/// <returns>A <see cref="CallTiming"/> with the specified expiration; without retry.</returns>
public static CallTiming FromExpiration(Expiration expiration) =>
new CallTiming(null, GaxPreconditions.CheckNotNull(expiration, nameof(expiration)));
public SessionAttribute(List<string> itemsInSession, Expiration expiration)
: this(itemsInSession)
{
_itemsInSession = itemsInSession;
_expiration = expiration;
}
/// <summary>
/// Constructs an instance with the given configuration.
/// </summary>
/// <param name="retryBackoff">The backoff policy for the time between retries. Must not be null.</param>
/// <param name="timeoutBackoff">The backoff policy for timeouts of retries. Must not be null.</param>
/// <param name="totalExpiration">The total expiration, across all retries. Must not be null.</param>
/// <param name="retryFilter">A predicate to determine whether or not a particular exception should cause the operation to be retried,
/// or null for the default filter.</param>
/// <param name="delayJitter">The delay jitter to apply for delays, or null for the defautl (random) jitter.</param>
public RetrySettings(
BackoffSettings retryBackoff,
BackoffSettings timeoutBackoff,
Expiration totalExpiration,
Predicate<RpcException> retryFilter,
IJitter delayJitter)
{
RetryBackoff = GaxPreconditions.CheckNotNull(retryBackoff, nameof(retryBackoff));
TimeoutBackoff = GaxPreconditions.CheckNotNull(timeoutBackoff, nameof(timeoutBackoff));
TotalExpiration = GaxPreconditions.CheckNotNull(totalExpiration, nameof(totalExpiration));
RetryFilter = retryFilter ?? DefaultFilter;
DelayJitter = delayJitter ?? RandomJitter;
}