Primus Responder
Client and server plugin that adds a request/response cycle to Primus.
Installation
$ npm install primus-responder --save
Use cases
- Wrap existing REST API into a realtime websocket connection
- Simplify program flow if waiting on a specific response is needed
Usage
On the server
var Primus = PrimusResponder = server = options = transformer: 'websockets' primus = server options; primus; primus; server;
On the client
var primus = Primus; // Handle incoming requests:primus; // Request a response from the server:primus;
API
Server
spark#on('request', fn)
Registers an event handler for incoming requests. The handler has two arguments: fn(data, done)
data
contains the data which was sent with the requestdone
is a callback function. First and only argument contains the data you want to transmit.
spark;
spark#writeAndWait(data, fn)
Sends data
to the given spark. As soon as the response from the spark arrives, fn
is called with the sparks response as first and only argument.
spark;
Client
primus#on('request', fn)
Registers an event handler for incoming requests. The handler has two arguments: fn(data, done)
data
contains the data which was sent with the requestdone
is a callback function. First and only argument contains the data you want to transmit.
primus;
primus#writeAndWait(data, fn)
Sends data
to the connected server. As soon as the response arrives, fn
is called with the servers response as first and only argument.
primus;
Run tests
$ npm test
Technical overview
License
Copyright (c) 2013 Manuel Alabor
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.