| /* |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| using DotPulsar.Abstractions; |
| using DotPulsar.Exceptions; |
| using DotPulsar.Internal; |
| using DotPulsar.Internal.Abstractions; |
| using System; |
| using System.Threading; |
| using System.Threading.Tasks; |
| |
| namespace DotPulsar |
| { |
| public sealed class PulsarClient : IPulsarClient |
| { |
| private readonly IConnectionPool _connectionPool; |
| private readonly ProcessManager _processManager; |
| private readonly IHandleException _exceptionHandler; |
| private int _isDisposed; |
| |
| internal PulsarClient(IConnectionPool connectionPool, ProcessManager processManager, IHandleException exceptionHandler) |
| { |
| _connectionPool = connectionPool; |
| _processManager = processManager; |
| _exceptionHandler = exceptionHandler; |
| _isDisposed = 0; |
| DotPulsarEventSource.Log.ClientCreated(); |
| } |
| |
| public static IPulsarClientBuilder Builder() => new PulsarClientBuilder(); |
| |
| public IProducer CreateProducer(ProducerOptions options) |
| { |
| ThrowIfDisposed(); |
| var correlationId = Guid.NewGuid(); |
| var executor = new Executor(correlationId, _processManager, _exceptionHandler); |
| var factory = new ProducerChannelFactory(correlationId, _processManager, _connectionPool, executor, options); |
| var stateManager = new StateManager<ProducerState>(ProducerState.Disconnected, ProducerState.Closed, ProducerState.Faulted); |
| var producer = new Producer(correlationId, _processManager, new NotReadyChannel(), new AsyncLockExecutor(executor), stateManager); |
| var process = new ProducerProcess(correlationId, stateManager, factory, producer); |
| _processManager.Add(process); |
| process.Start(); |
| return producer; |
| } |
| |
| public IConsumer CreateConsumer(ConsumerOptions options) |
| { |
| ThrowIfDisposed(); |
| var correlationId = Guid.NewGuid(); |
| var executor = new Executor(correlationId, _processManager, _exceptionHandler); |
| var factory = new ConsumerChannelFactory(correlationId, _processManager, _connectionPool, executor, options); |
| var stateManager = new StateManager<ConsumerState>(ConsumerState.Disconnected, ConsumerState.Closed, ConsumerState.ReachedEndOfTopic, ConsumerState.Faulted); |
| var consumer = new Consumer(correlationId, _processManager, new NotReadyChannel(), new AsyncLockExecutor(executor), stateManager); |
| var process = new ConsumerProcess(correlationId, stateManager, factory, consumer, options.SubscriptionType == SubscriptionType.Failover); |
| _processManager.Add(process); |
| process.Start(); |
| return consumer; |
| } |
| |
| public IReader CreateReader(ReaderOptions options) |
| { |
| ThrowIfDisposed(); |
| var correlationId = Guid.NewGuid(); |
| var executor = new Executor(correlationId, _processManager, _exceptionHandler); |
| var factory = new ReaderChannelFactory(correlationId, _processManager, _connectionPool, executor, options); |
| var stateManager = new StateManager<ReaderState>(ReaderState.Disconnected, ReaderState.Closed, ReaderState.ReachedEndOfTopic, ReaderState.Faulted); |
| var reader = new Reader(correlationId, _processManager, new NotReadyChannel(), new AsyncLockExecutor(executor), stateManager); |
| var process = new ReaderProcess(correlationId, stateManager, factory, reader); |
| _processManager.Add(process); |
| process.Start(); |
| return reader; |
| } |
| |
| public async ValueTask DisposeAsync() |
| { |
| if (Interlocked.Exchange(ref _isDisposed, 1) != 0) |
| return; |
| |
| if (_processManager is IAsyncDisposable disposable) |
| await disposable.DisposeAsync().ConfigureAwait(false); |
| |
| DotPulsarEventSource.Log.ClientDisposed(); |
| } |
| |
| private void ThrowIfDisposed() |
| { |
| if (_isDisposed != 0) |
| throw new PulsarClientDisposedException(); |
| } |
| } |
| } |