public static void SQSSetQueueAttributes()
{
#region SQSSetQueueAttributes
var client = new AmazonSQSClient();
var attrs = new Dictionary <string, string>();
// Maximum message size of 128 KiB (1,024 bytes * 128 KiB = 131,072 bytes).
int maxMessage = 128 * 1024;
attrs.Add(QueueAttributeName.DelaySeconds,
TimeSpan.FromSeconds(5).TotalSeconds.ToString());
attrs.Add(QueueAttributeName.MaximumMessageSize, maxMessage.ToString());
attrs.Add(QueueAttributeName.MessageRetentionPeriod,
TimeSpan.FromDays(1).TotalSeconds.ToString());
attrs.Add(QueueAttributeName.ReceiveMessageWaitTimeSeconds,
TimeSpan.FromSeconds(5).TotalSeconds.ToString());
attrs.Add(QueueAttributeName.VisibilityTimeout,
TimeSpan.FromHours(1).TotalSeconds.ToString());
// Dead-letter queue attributes.
attrs.Add(QueueAttributeName.RedrivePolicy,
"{\"maxReceiveCount\":" +
"\"5\"," +
"\"deadLetterTargetArn\":" +
"\"arn:aws:sqs:us-east-1:80398EXAMPLE:MyTestDeadLetterQueue\"}");
var request = new SetQueueAttributesRequest
{
Attributes = attrs,
QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue"
};
client.SetQueueAttributes(request);
#endregion
}
internal void AllowSnsToSendMessages(TopicClient topicClient)
{
var policyFormat = @"{
""Statement"": [
{
""Sid"": ""MySQSPolicy001"",
""Effect"": ""Allow"",
""Principal"": {
""AWS"": ""*""
},
""Action"": ""sqs:SendMessage"",
""Resource"": ""%QueueArn%"",
""Condition"": {
""ArnEquals"": {
""aws:SourceArn"": ""%TopicArn%""
}
}
}
]
}";
var policy = policyFormat.Replace("%QueueArn%", QueueArn).Replace("%TopicArn%", topicClient.TopicArn);
var request = new SetQueueAttributesRequest();
request.Attributes.Add("Policy", policy);
request.QueueUrl = QueueUrl;
var response = _sqsClient.SetQueueAttributes(request);
}
public virtual void GrantNotificationPermission(AmazonSQSClient sqsClient, string queueArn, string queueUrl,
string topicArn)
{
// Create a policy to allow the queue to receive notifications from the SNS topic
var policy = new Policy("SubscriptionPermission")
{
Statements =
{
new Statement(Statement.StatementEffect.Allow)
{
Actions = { SQSActionIdentifiers.SendMessage },
Principals ={ new Principal("*") },
Conditions ={ ConditionFactory.NewSourceArnCondition(topicArn) },
Resources = { new Resource(queueArn) }
}
}
};
var attributes = new Dictionary <string, string>();
attributes.Add("Policy", policy.ToJson());
// Create the request to set the queue attributes for policy
var setQueueAttributesRequest = new SetQueueAttributesRequest
{
QueueUrl = queueUrl,
Attributes = attributes
};
// Set the queue policy
sqsClient.SetQueueAttributes(setQueueAttributesRequest);
}
void SetupTopicAndQueue()
{
long ticks = DateTime.Now.Ticks;
// Setup SNS topic.
snsClient = new AmazonSimpleNotificationServiceClient(
settings.AWSAccessKeyID,
settings.AWSSecretAccessKey,
RegionEndpoint.GetBySystemName(settings.AWSS3Region.SystemName));
sqsClient = new AmazonSQSClient(
settings.AWSAccessKeyID,
settings.AWSSecretAccessKey,
RegionEndpoint.GetBySystemName(settings.AWSS3Region.SystemName));
topicArn = snsClient.CreateTopic(new CreateTopicRequest {
Name = "GlacierDownload-" + ticks
}).TopicArn;
Debug.WriteLine($"topicArn: {topicArn}");
var createQueueRequest = new CreateQueueRequest {
QueueName = "GlacierDownload-" + ticks
};
var createQueueResponse = sqsClient.CreateQueue(createQueueRequest);
this.queueUrl = createQueueResponse.QueueUrl;
Debug.WriteLine($"QueueURL: {this.queueUrl}");
var getQueueAttributesRequest = new GetQueueAttributesRequest {
AttributeNames = new List <string> {
"QueueArn"
},
QueueUrl = this.queueUrl
};
var response = sqsClient.GetQueueAttributes(getQueueAttributesRequest);
queueArn = response.QueueARN;
Debug.WriteLine($"QueueArn: {queueArn}");
// Setup the Amazon SNS topic to publish to the SQS queue.
snsClient.Subscribe(new SubscribeRequest()
{
Protocol = "sqs",
Endpoint = queueArn,
TopicArn = topicArn
});
// Add the policy to the queue so SNS can send messages to the queue.
var policy = SQS_POLICY.Replace("{TopicArn}", topicArn).Replace("{QuernArn}", queueArn);
sqsClient.SetQueueAttributes(new SetQueueAttributesRequest {
QueueUrl = this.queueUrl,
Attributes = new Dictionary <string, string>
{
{ QueueAttributeName.Policy, policy }
}
});
}
static void SetupTopicAndQueue(Amazon.RegionEndpoint region)
{
long ticks = DateTime.Now.Ticks;
// Setup SNS topic.
s_snsClient = new AmazonSimpleNotificationServiceClient(region);
s_sqsClient = new AmazonSQSClient(region);
s_topicArn = s_snsClient.CreateTopic(new CreateTopicRequest
{
Name = "GlacierDownload-" + ticks
}).TopicArn;
WriteLogConsole("topicArn: " + s_topicArn);
CreateQueueRequest createQueueRequest = new CreateQueueRequest();
createQueueRequest.QueueName = "GlacierDownload-" + ticks;
CreateQueueResponse createQueueResponse = s_sqsClient.CreateQueue(createQueueRequest);
s_queueUrl = createQueueResponse.QueueUrl;
WriteLogConsole("QueueURL: " + s_queueUrl);
GetQueueAttributesRequest getQueueAttributesRequest = new GetQueueAttributesRequest();
getQueueAttributesRequest.AttributeNames = new List <string> {
"QueueArn"
};
getQueueAttributesRequest.QueueUrl = s_queueUrl;
GetQueueAttributesResponse response = s_sqsClient.GetQueueAttributes(getQueueAttributesRequest);
s_queueArn = response.QueueARN;
WriteLogConsole("QueueArn: " + s_queueArn);
// Setup the Amazon SNS topic to publish to the SQS queue.
s_snsClient.Subscribe(new SubscribeRequest()
{
Protocol = "sqs",
Endpoint = s_queueArn,
TopicArn = s_topicArn
});
// Add the policy to the queue so SNS can send messages to the queue.
var policy = SQS_POLICY.Replace("{TopicArn}", s_topicArn).Replace("{QuernArn}", s_queueArn);
s_sqsClient.SetQueueAttributes(new SetQueueAttributesRequest()
{
QueueUrl = s_queueUrl,
Attributes = new Dictionary <string, string>
{
{ QueueAttributeName.Policy, policy }
}
});
}
static void Main(string[] args)
{
try
{
// create SQS client
var sqsConfig = new AmazonSQSConfig()
{
ServiceURL = "https://sqs.us-east-1.amazonaws.com"
};
Console.WriteLine("Creating AWS SQSClient");
var sqsClient = new AmazonSQSClient(sqsConfig);
if (useFIFO)
{
Dictionary <String, String> dictSQSAttribute = new Dictionary <string, string>();
{
dictSQSAttribute.Add("ContentBasedDeduplication", "true");
}
sqsClient.SetQueueAttributes(SQS_URL, dictSQSAttribute);
}
Console.WriteLine("Creating AWS SQSClient done");
// start loop to send message
int count = 0;
DateTime dtStart = DateTime.Now;
int msgId = 0;
while ((DateTime.Now - dtStart).TotalSeconds < RUN_PERIOD_SECOND)
{
// create sendMessageRequest message
SendMessageRequest sendMessageRequest = new SendMessageRequest();
{
String id = DateTime.Now.Hour + DateTime.Now.Minute + "." + ++msgId;
sendMessageRequest.QueueUrl = SQS_URL;
sendMessageRequest.MessageBody = "[" + id + "] Message from C# application at " + DateTime.Now.ToString();
if (useFIFO)
{
sendMessageRequest.MessageGroupId = (msgId % SQS_FIFO_NUMBER_OF_GROUP).ToString();
}
}
// send message
sqsClient.SendMessage(sendMessageRequest);
Console.WriteLine("Publish SQS message {0}", ++count);
}
Console.WriteLine("Publish SQS message done");
}
catch (Exception e)
{
Console.WriteLine("ERROR: " + e.ToString());
}
}
static void SetupTopicAndQueue(Amazon.RegionEndpoint awsRegion)
{
long ticks = DateTime.Now.Ticks;
// Setup SNS topic.
snsClient = new AmazonSimpleNotificationServiceClient(awsRegion);
sqsClient = new AmazonSQSClient(awsRegion);
topicArn = snsClient.CreateTopic(new CreateTopicRequest {
Name = "GlacierInventory-" + ticks
}).TopicArn;
Console.WriteLine($"topicArn: {topicArn}");
CreateQueueRequest createQueueRequest = new CreateQueueRequest();
createQueueRequest.QueueName = "GlacierInventory-" + ticks;
CreateQueueResponse createQueueResponse = sqsClient.CreateQueue(createQueueRequest);
queueUrl = createQueueResponse.QueueUrl;
Console.WriteLine($"QueueURL: {queueUrl}");
GetQueueAttributesRequest getQueueAttributesRequest = new GetQueueAttributesRequest();
getQueueAttributesRequest.AttributeNames = new List <string> {
"QueueArn"
};
getQueueAttributesRequest.QueueUrl = queueUrl;
GetQueueAttributesResponse response = sqsClient.GetQueueAttributes(getQueueAttributesRequest);
queueArn = response.QueueARN;
Console.WriteLine($"QueueArn: {queueArn}");
// Setup the Amazon SNS topic to publish to the SQS queue.
snsClient.Subscribe(new SubscribeRequest()
{
Protocol = "sqs",
Endpoint = queueArn,
TopicArn = topicArn
});
// Add the policy to the queue so SNS can send messages to the queue.
var policy = SQS_POLICY.Replace("{TopicArn}", topicArn).Replace("{QuernArn}", queueArn).Replace("{AccountArn}", accountArn);
sqsClient.SetQueueAttributes(new SetQueueAttributesRequest()
{
QueueUrl = queueUrl,
Attributes = new Dictionary <string, string>
{
{ QueueAttributeName.Policy, policy }
}
});
}
public void OnExistingQueue()
{
AmazonSQSClient client = new AmazonSQSClient();
var request = new SetQueueAttributesRequest
{
Attributes = new Dictionary <string, string>
{
{ "ReceiveMessageWaitTimeSeconds", "20" }
},
QueueUrl = "SQS_QUEUE_URL"
};
var response = client.SetQueueAttributes(request);
}
public void DeadLetterQueueExample()
{
AmazonSQSClient client = new AmazonSQSClient();
var setQueueAttributeRequest = new SetQueueAttributesRequest
{
Attributes = new Dictionary <string, string>
{
{ "RedrivePolicy", @"{ ""deadLetterTargetArn"" : ""DEAD_LETTER_QUEUE_ARN"", ""maxReceiveCount"" : ""10""}" }
},
QueueUrl = "SOURCE_QUEUE_URL"
};
client.SetQueueAttributes(setQueueAttributeRequest);
}
public void set_permissions()
{
var setQueueAttributeRequest = new SetQueueAttributesRequest()
.WithQueueUrl(_queueUrl)
.WithAttribute(new Attribute {
Name = "Policy", Value = AllowSnsAttribute()
});
var result = _client.SetQueueAttributes(setQueueAttributeRequest);
Console.WriteLine(result.ToXML());
var getQueueAttributesResponse = _client.GetQueueAttributes(
new GetQueueAttributesRequest().WithAttributeName("Policy").WithQueueUrl(_queueUrl));
foreach (var attribute in getQueueAttributesResponse.GetQueueAttributesResult.Attribute)
{
Console.WriteLine("{0} : {1}", attribute.Name, attribute.Value);
}
}
private static Topic SetupTopicAndSubscriptions(string topicFileName, string outputDirectory, string regionSystemName, string archiveId = null, string filename = null)
{
var topic = new Topic {
TopicFileName = topicFileName,
OutputDirectory = outputDirectory,
ArchiveId = archiveId,
FileName = filename,
DateRequested = DateTime.Now
};
long ticks = DateTime.Now.Ticks;
var settings = SettingsManager.GetSettings();
#region Setup SNS topic
var snsClient = new AmazonSimpleNotificationServiceClient(
settings.AWSAccessKeyID,
settings.AWSSecretAccessKey,
RegionEndpoint.GetBySystemName(regionSystemName));
var sqsClient = new AmazonSQSClient(
settings.AWSAccessKeyID,
settings.AWSSecretAccessKey,
RegionEndpoint.GetBySystemName(regionSystemName));
var topicArn = snsClient.CreateTopic(new CreateTopicRequest {
Name = "GlacierDownload-" + ticks
}).TopicArn;
//Debug.WriteLine($"topicArn: {topicArn}");
topic.TopicARN = topicArn;
#endregion
#region Setup SQS queue
var createQueueRequest = new CreateQueueRequest {
QueueName = "GlacierDownload-" + ticks
};
var createQueueResponse = sqsClient.CreateQueue(createQueueRequest);
var queueUrl = createQueueResponse.QueueUrl;
//Debug.WriteLine($"QueueURL: {queueUrl}");
topic.QueueUrl = queueUrl;
var getQueueAttributesRequest = new GetQueueAttributesRequest
{
AttributeNames = new List <string> {
"QueueArn"
},
QueueUrl = queueUrl
};
var response = sqsClient.GetQueueAttributes(getQueueAttributesRequest);
var queueArn = response.QueueARN;
Debug.WriteLine($"QueueArn: {queueArn}");
topic.QueueARN = queueArn;
#endregion
// Setup the Amazon SNS topic to publish to the SQS queue.
// TODO SMS subscription
snsClient.Subscribe(new SubscribeRequest()
{
Protocol = "sqs",
Endpoint = queueArn,
TopicArn = topicArn
});
// Add the policy to the queue so SNS can send messages to the queue.
var policy = SQS_POLICY.Replace("{TopicArn}", topicArn).Replace("{QuernArn}", queueArn);
sqsClient.SetQueueAttributes(new SetQueueAttributesRequest
{
QueueUrl = queueUrl,
Attributes = new Dictionary <string, string>
{
{ QueueAttributeName.Policy, policy }
}
});
return(topic);
}
public static void Main(string[] args)
{
const bool useEasySubscription = false;
var sns = new AmazonSimpleNotificationServiceClient();
var sqs = new AmazonSQSClient();
string nameOfNewTopic = args[0]; //Sanitise this to ensure no illegal characters.
var emailAddress = args[1];
try
{
var topicArn = sns.CreateTopic(
new CreateTopicRequest {
Name = nameOfNewTopic
}).TopicArn;
sns.SetTopicAttributes(new SetTopicAttributesRequest
{
TopicArn = topicArn,
AttributeName = "DisplayName",
AttributeValue = "Sample Notifications"
});
RetrieveAllTopics(sns);
if (string.IsNullOrEmpty(emailAddress) == false)
{
// Subscribe an endpoint - in this case, an email address
Console.WriteLine();
Console.WriteLine("Subscribing email address {0} to topic...", emailAddress);
sns.Subscribe(new SubscribeRequest
{
TopicArn = topicArn,
Protocol = "email",
Endpoint = emailAddress
});
// When using email, recipient must confirm subscription
Console.WriteLine();
Console.WriteLine("Please check your email and press enter when you are subscribed...");
Console.ReadLine();
}
Console.WriteLine();
var sqsRequest = new CreateQueueRequest
{
QueueName = "MyExperimentQueue"
};
var createQueueResponse = sqs.CreateQueue(sqsRequest);
var myQueueUrl = createQueueResponse.QueueUrl;
var myQueueArn = sqs.GetQueueAttributes(
new GetQueueAttributesRequest
{
QueueUrl = myQueueUrl,
AttributeNames = new List <string> {
"All"
}
}).QueueARN;
ListQueues(sqs);
if (myQueueArn != null)
{
//https://aws.amazon.com/blogs/developer/subscribing-an-sqs-queue-to-an-sns-topic/
if (useEasySubscription)
{
sns.SubscribeQueue(topicArn, sqs, myQueueUrl);
}
else
{
var subscribeRequest = new SubscribeRequest(topicArn, "SQS", myQueueArn);
sns.Subscribe(subscribeRequest);
ActionIdentifier[] actions = new ActionIdentifier[2];
actions[0] = SQSActionIdentifiers.SendMessage;
actions[1] = SQSActionIdentifiers.ReceiveMessage;
Policy sqsPolicy = new Policy()
.WithStatements(new Statement(Statement.StatementEffect.Allow)
.WithPrincipals(Principal.AllUsers)
.WithResources(new Resource(myQueueArn))
.WithConditions(ConditionFactory.NewSourceArnCondition(topicArn))
.WithActionIdentifiers(actions));
var attributeDictionary = new Dictionary <string, string>();
attributeDictionary.Add("Policy", sqsPolicy.ToJson());
var attributes = new SetQueueAttributesRequest {
QueueUrl = myQueueUrl, Attributes = attributeDictionary
};
sqs.SetQueueAttributes(attributes);
}
Thread.Sleep(TimeSpan.FromSeconds(5));
// Publish message
Console.WriteLine();
Console.WriteLine("Publishing message to topic...");
sns.Publish(new PublishRequest
{
Subject = "Test",
Message = "Testing testing 1 2 3",
TopicArn = topicArn
});
var receivedMessageResponse = ReceiveMessage(sqs, myQueueUrl);
DeleteReceivedMessage(receivedMessageResponse, myQueueUrl, sqs);
}
//Console.WriteLine();
//Console.WriteLine("Deleting topic...");
//sns.DeleteTopic(new DeleteTopicRequest
//{
// TopicArn = topicArn
//});
}
catch (AmazonSimpleNotificationServiceException ex)
{
Console.WriteLine("Caught Exception: " + ex.Message);
Console.WriteLine("Response Status Code: " + ex.StatusCode);
Console.WriteLine("Error Code: " + ex.ErrorCode);
Console.WriteLine("Error Type: " + ex.ErrorType);
Console.WriteLine("Request ID: " + ex.RequestId);
}
Console.WriteLine();
Console.WriteLine("Press enter to exit...");
Console.ReadLine();
}