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Add AMQP retry mechanism and example projects (#312)
* Add AMQP retry mechanism and example projects * Fix retry start index * Make a distinction between internally managed connection reference and not * Add better exception feedback on connection failure. * Make settings responsible for closing Session and Connection objects. * Update examples to show usage of both QueueNamed and Address settings * Add IsPackable tag in example projects csproj files
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src/Amqp/Akka.Streams.Amqp.V1.Tests/Properties/launchSettings.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| { | ||
| "profiles": { | ||
| "Akka.Streams.Amqp.V1.Tests": { | ||
| "commandName": "Project" | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using Akka.Serialization; | ||
| using Amqp; | ||
| using Amqp.Framing; | ||
| using Amqp.Types; | ||
|
|
||
| namespace Akka.Streams.Amqp.V1 | ||
| { | ||
| public class AddressSinkSettings<T> : IAmqpSinkSettings<T> | ||
| { | ||
| private readonly string _linkName; | ||
| private readonly string _queueName; | ||
| private readonly Serializer _serializer; | ||
| private readonly Address _address; | ||
| private readonly object _lock = new object(); | ||
|
|
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| private Connection _connection; | ||
| private Session _session; | ||
|
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| public bool ManageConnection => true; | ||
|
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| public AddressSinkSettings( | ||
| Address address, | ||
| string linkName, | ||
| string queueName, | ||
| Serializer serializer) | ||
| { | ||
| _address = address; | ||
| _linkName = linkName; | ||
| _queueName = queueName; | ||
| _serializer = serializer; | ||
| } | ||
|
|
||
| public byte[] GetBytes(T obj) | ||
| { | ||
| return _serializer.ToBinary(obj); | ||
| } | ||
|
|
||
| public void CloseConnection() | ||
| { | ||
| _session?.Close(); | ||
| _connection?.Close(); | ||
|
|
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| _session = null; | ||
| _connection = null; | ||
| } | ||
|
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| public async Task CloseConnectionAsync() | ||
| { | ||
| if(_session != null) | ||
| await _session.CloseAsync(); | ||
|
|
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| if(_connection != null) | ||
| await _connection.CloseAsync(); | ||
| } | ||
|
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| public SenderLink GetSenderLink() | ||
| { | ||
| if (_connection == null || _connection.IsClosed) | ||
| _connection = new Connection(_address); | ||
|
|
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| if (_session == null || _session.IsClosed) | ||
| _session = new Session(_connection); | ||
|
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| return new SenderLink( | ||
| _session, | ||
| _linkName, | ||
| new Target | ||
| { | ||
| Address = _queueName, | ||
| Capabilities = new[] { new Symbol("queue") } | ||
| }, | ||
| null); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using Akka.Serialization; | ||
| using Amqp; | ||
| using Amqp.Framing; | ||
| using Amqp.Types; | ||
|
|
||
| namespace Akka.Streams.Amqp.V1 | ||
| { | ||
| public class AddressSourceSettings<T> : IAmqpSourceSettings<T> | ||
| { | ||
| private readonly string _linkName; | ||
| private readonly string _queueName; | ||
| private readonly Serializer _serializer; | ||
|
|
||
| public int Credit { get; } | ||
| private readonly Address _address; | ||
| private Connection _connection; | ||
| private Session _session; | ||
|
|
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| public bool ManageConnection => true; | ||
|
|
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| public AddressSourceSettings( | ||
| Address address, | ||
| string linkName, | ||
| string queueName, | ||
| int credit, | ||
| Serializer serializer) | ||
| { | ||
| _address = address; | ||
| _linkName = linkName; | ||
| _queueName = queueName; | ||
| Credit = credit; | ||
| _serializer = serializer; | ||
| } | ||
|
|
||
| public T Convert(Message message) | ||
| { | ||
| var bString = message.GetBody<byte[]>(); | ||
| return _serializer.FromBinary<T>(bString); | ||
| } | ||
|
|
||
| public void CloseConnection() | ||
| { | ||
| _session?.Close(); | ||
| _connection?.Close(); | ||
| } | ||
|
|
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| public async Task CloseConnectionAsync() | ||
| { | ||
| if (_session != null) | ||
| await _session.CloseAsync(); | ||
|
|
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| if (_connection != null) | ||
| await _connection.CloseAsync(); | ||
| } | ||
|
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| public ReceiverLink GetReceiverLink() | ||
| { | ||
| if(_connection == null || _connection.IsClosed) | ||
| _connection = new Connection(_address); | ||
|
|
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| if (_session == null || _session.IsClosed) | ||
| _session = new Session(_connection); | ||
|
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| return new ReceiverLink( | ||
| _session, | ||
| _linkName, | ||
| new Source | ||
| { | ||
| Address = _queueName, | ||
| Capabilities = new[] { new Symbol("queue") } | ||
| }, | ||
| null); | ||
| } | ||
| } | ||
| } |
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