https://github.com/spider-gazelle/stomp

crystal lang implementation of the STOMP protocol
https://github.com/spider-gazelle/stomp

Last synced: 2 months ago
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crystal lang implementation of the STOMP protocol

• Host: GitHub
• URL: https://github.com/spider-gazelle/stomp
• Owner: spider-gazelle
• License: mit
• Created: 2021-03-08T06:37:04.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-05-26T01:51:32.000Z (about 3 years ago)
• Last Synced: 2024-01-27T09:10:02.657Z (5 months ago)
• Language: Crystal
• Size: 14.6 KB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Lists

• awesome-crystal - stomp - STOMP protocol (Network Protocols)

README

        
# Crystal Lang STOMP Protocol

[![CI](https://github.com/spider-gazelle/stomp/actions/workflows/ci.yml/badge.svg)](https://github.com/spider-gazelle/stomp/actions/workflows/ci.yml)

Communicate with devices supporting the STOMP protocol

## Installation

1. Add the dependency to your `shard.yml`:

   ```yaml

   dependencies:

     stomp:

       github: spider-gazelle/stomp

   ```

2. Run `shards install`

## Usage

```crystal

require "stomp"

hostname = "stomp.server.com"

port = 1234

socket = TCPSocket.new(hostname, port)

# accepts any object implementing `IO`

client = STOMP::IOClient.new(hostname, socket)

# client is ready

client.on_connected do |frame|

  client.send client.subscribe("main", "/some/path", HTTP::Headers{

    "receipt" => "confirm-main",

  })

end

# process messages here

client.on_message do |frame|

  frame.headers["subscription"] # => "main" (as specified in the subscription above)

  frame.headers["destination"] # => "/some/path"

  # get the data, handles charset automatically

  frame.body_text

  # or can get the raw bytes

  frame.body

end

# if you are interested in receipts

client.on_receipt do |frame|

  frame.headers["receipt-id"] # => "confirm-main"

end

# if you are interested in errors

client.on_error do |frame|

  message = frame.headers["message"]? || frame.body_text

  Log.error { message }

  # maybe you want to close on error?

  client.close

end

client.on_close do |frame|

  received_closed += 1

end

# blocks until the socket is closed or an unhandled error occurs

# client is thread safe

client.run

```