protected override void Dispose(bool disposing)
{
if (disposing)
{
_amazonSnsClient?.Dispose();
}
base.Dispose(disposing);
}
public async ValueTask DisposeAsync()
{
await _snsClient.DeleteTopicAsync(TopicArn);
await _sqsClient.DeleteQueueAsync(QueueUrl);
_snsClient.Dispose();
_sqsClient.Dispose();
}
public static IAmazonSimpleNotificationService CreateSnsClient(this IAmazonSnsSettings amazonSnsSettings, ITransactionContext transactionContext)
{
return(transactionContext.GetOrAdd(AmazonConstaints.SnsClientContextKey, () =>
{
var client = new AmazonSimpleNotificationServiceClient(amazonSnsSettings.AmazonCredentialsFactory.Create(), amazonSnsSettings.AmazonSimpleNotificationServiceConfig);
transactionContext.OnDisposed((ITransactionContext context) => client.Dispose());
return client;
}));
}
/// <summary>
/// </summary>
protected sealed override void OnStop()
{
if (_clientSNS != null)
{
_clientSNS.Dispose();
_clientSNS = null;
}
if (_clientCloudWatchLogs != null)
{
_clientCloudWatchLogs.Dispose();
_clientCloudWatchLogs = null;
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
_snsClient.Dispose();
_snsClient = null;
}
_disposed = true;
}
}
protected virtual void Dispose(bool disposing)
{
if (!disposing)
{
return;
}
if (_client == null)
{
return;
}
_client.Dispose();
_client = null;
}
public void Dispose() => Client.Dispose();
protected override void DisposeServices()
{
_simpleNotificationClient?.Dispose();
}
static async Task <(string topicArn, Func <Task> cleanup)> CreateLambda(LambdaCreationOptions lambdaCreationOptions)
{
var cleanup = new List <Func <Task> >();
var log = lambdaCreationOptions.Verbose;
string publishTopic;
var lambdaClient = new AmazonLambdaClient();
var snsClient = new AmazonSimpleNotificationServiceClient();
var iamClient = new AmazonIdentityManagementServiceClient();
cleanup.Add(() =>
{
lambdaClient.Dispose();
snsClient.Dispose();
iamClient.Dispose();
return(Task.CompletedTask);
});
try
{
log("Creating IAM Role");
var(roleArn, _, roleCleanup) =
await CreateRole(iamClient, lambdaCreationOptions.Timestamp, lambdaCreationOptions.Name,
lambdaCreationOptions.CancellationToken);
cleanup.Add(roleCleanup);
log("Creating Function");
var(functionArn, _, functionCleanup) =
await CreateFunction(roleArn,
lambdaClient,
lambdaCreationOptions);
cleanup.Add(functionCleanup);
log("Creating SNS Topic");
var(topicArn, topicCleanup) =
await CreateTopic(snsClient, lambdaCreationOptions.Timestamp, lambdaCreationOptions.Name,
lambdaCreationOptions.CancellationToken);
cleanup.Add(topicCleanup);
publishTopic = topicArn;
log("Creating SNS Subscription");
var subCleaner = await Subscribe(snsClient, functionArn, topicArn, lambdaCreationOptions.CancellationToken);
cleanup.Add(subCleaner);
log("Permissioning SNS to execute the function");
var permCleanup = await AddExecutionFromSnsPermission(lambdaClient, functionArn, topicArn,
lambdaCreationOptions.CancellationToken);
cleanup.Add(permCleanup);
}
catch (Exception)
{
log("Cleaning up resources");
await Cleanup(cleanup);
throw;
}
return(publishTopic, () => Cleanup(cleanup));
}
/// <summary>
/// Releases any unmanaged resources and disposes of the managed resources used
/// by the <see cref="AmazonSnsService"/>.
/// </summary>
public void Dispose()
{
_snsClient?.Dispose();
}
