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https://github.com/robertindie/pulsar-dotpulsar
.NET/C# client library for Apache Pulsar
https://github.com/robertindie/pulsar-dotpulsar
Last synced: 2 days ago
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.NET/C# client library for Apache Pulsar
- Host: GitHub
- URL: https://github.com/robertindie/pulsar-dotpulsar
- Owner: RobertIndie
- License: apache-2.0
- Fork: true (apache/pulsar-dotpulsar)
- Created: 2020-06-02T07:54:23.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2023-08-23T10:57:47.000Z (about 1 year ago)
- Last Synced: 2023-08-23T13:30:02.836Z (about 1 year ago)
- Language: C#
- Homepage: https://pulsar.apache.org/
- Size: 2.2 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
# DotPulsar
The official .NET client library for [Apache Pulsar](https://pulsar.apache.org/).
DotPulsar is written entirely in C# and implements Apache Pulsar's [binary protocol](https://pulsar.apache.org/docs/en/develop-binary-protocol/).
## What's new?
Have a look at the [changelog](CHANGELOG.md).
## Getting Started
Let's take a look at a "Hello world" example, where we first produce a message and then consume it. Note that the topic and subscription will be created if they don't exist.
First, we need a Pulsar setup. Have a look [here](https://pulsar.apache.org/docs/en/standalone-docker/) to see how to setup a local standalone Pulsar instance.
Install the NuGet package [DotPulsar](https://www.nuget.org/packages/DotPulsar/) and copy/paste the code below (you will be needing using declarations for 'DotPulsar' and 'DotPulsar.Extensions').
```csharp
const string myTopic = "persistent://public/default/mytopic";
await using var client = PulsarClient.Builder()
.Build(); // Connecting to pulsar://localhost:6650
await using var producer = client.NewProducer(Schema.String)
.Topic(myTopic)
.Create();
_ = await producer.Send("Hello World"); // Send a message and ignore the returned MessageId
await using var consumer = client.NewConsumer(Schema.String)
.SubscriptionName("MySubscription")
.Topic(myTopic)
.InitialPosition(SubscriptionInitialPosition.Earliest)
.Create();
await foreach (var message in consumer.Messages())
{
Console.WriteLine($"Received: {message.Value()}");
await consumer.Acknowledge(message);
}
```
For a more in-depth tour of the API, please visit the [Wiki](https://github.com/apache/pulsar-dotpulsar/wiki).
## Supported features
- [X] Service discovery
- [X] Automatic reconnect
- [X] TLS connections
- [X] Pulsar Proxy
- [X] Producer send with custom metadata
- [X] Producer send with event time, sequence id, and delayed message delivery
- [X] Producer send with key and ordering key
- [X] Producer for partitioned topics
- [X] Consumer subscription with initial position and priority level
- [X] Consumer subscription types exclusive, shared, failover, and key shared
- [X] Consumer receive and single + cumulative acknowledge
- [X] Consumer and Reader seek on message-id and publish time
- [X] Consumer unsubscribe
- [X] Consume compacted topics
- [X] Reader API
- [X] Read/Consume/Acknowledge batched messages
- [X] Telemetry
- [Tracing](https://github.com/apache/pulsar-dotpulsar/wiki/Tracing)
- [Metrics](https://github.com/apache/pulsar-dotpulsar/wiki/Metrics)
- [X] Authentication
- TLS Authentication
- JSON Web Token Authentication
- Custom Authentication
- [X] [Message compression](https://github.com/apache/pulsar-dotpulsar/wiki/Compression)
- LZ4
- ZLIB
- ZSTD
- SNAPPY
- [X] Schemas
- Boolean
- Bytes (using byte[] and ReadOnlySequence\)
- String (UTF-8, UTF-16, and US-ASCII)
- INT8, INT16, INT32, and INT64
- Float and Double
- Time (using TimeSpan)
- Timestamp and Date (using DateTime)
## Roadmap
Help prioritizing the roadmap is most welcome, so please reach out and tell us what you want and need.
## Join Our Community
Apache Pulsar has a [Slack instance](https://pulsar.apache.org/contact/) and there you'll find us in the #dev-dotpulsar channel.
## Versioning
We use [SemVer](http://semver.org/) for versioning. For the versions available, see the [tags on this repository](https://github.com/apache/pulsar-dotpulsar/tags).
## Authors
* **Daniel Blankensteiner** - *Initial work* - [Danske Commodities](https://github.com/danske-commodities)
See also the list of [contributors](https://github.com/apache/pulsar-dotpulsar/contributors) who participated in this project.
## License
This project is licensed under the Apache License Version 2.0 - see the [LICENSE](LICENSE) file for details.