alldata-server-http

Stability: 1 - Experimental

Server HTTP module for AllData, a distributed master-less write-once immutable event store database implementing "All Data" part of Lambda Architecture.

Usage

var AllDataServer = require('alldata-server-http');
var allDataServer = new AllDataServer({
    hostname: 'localhost',
    port: 8080
});
 
allDataServer.on('put', function (event, callback) {
    console.log('received request to put: ' + event); 
    // process the event
    callback(); // indicate success
});
 
allDataServer.listen(function () {
    console.log('server listening...'); 
});
 

Test

npm test

Overview

AllDataServer will listen to HTTP POST requests containing the event encoded as a JSON string in the POST body.

Documentation

AllDataServer

Public API

• AllDataServer.listen(options, [callback])
• new AllDataServer(options)
• allDataServer.close([callback])
• allDataServer.listen([callback])
• Event 'put'

AllDataServer.listen(options, [callback])

• options: See new AllDataServer(options) options.
• callback: See allDataServer.listen(callback) callback.
• Return: Object An instance of AllDataServer with server running.

Creates new AllDataServer and starts the server.

new AllDataServer(options)

• options: Object
  • hostname: String (Default: undefined) Hostname for the server to listen on. If not specified, the server will accept connections directed to any IPv4 address (INADDR_ANY).
  • port: Integer (Default: 8080) Port number for the server to listen on.

Creates a new AllDataServer instance.

allDataServer.close([callback])

• callback: Function (Default: undefined) function () {} Optional callback to call once the server is stopped.

Stops the server from accepting new connections.

allDataServer.listen([callback])

• callback: Function (Default: undefined) function () {} Optional callback to call once the server is up.

Starts the server to listen to new connections.

Event put

• function (event, callback) {}
  • event: Object JavaScript object representation of the event to put.
  • callback: Function function (error) {} The callback to call with an error or success of the put operation.

Emitted when the server receives a new put request from a client.

Signal error via callback(true) and success via callback().

allDataServer.on('put', function (event, callback) {
    console.log('received request to put: ' + event); 
    // ... process the put
    callback();
});