154 lines
4.5 KiB
JavaScript
154 lines
4.5 KiB
JavaScript
var net = require('net'),
|
|
eventParser = require('../lib/eventParser.js'),
|
|
pubsub = require('event-pubsub');
|
|
|
|
function init(config,log){
|
|
var client={
|
|
config : config,
|
|
socket : false,
|
|
connect : connect,
|
|
emit : emit,
|
|
log : log,
|
|
retriesRemaining:config.maxRetries||0
|
|
}
|
|
new pubsub(client);
|
|
|
|
return client;
|
|
}
|
|
|
|
function emit(type,data){
|
|
this.log('dispatching event to '.debug, this.id.variable, this.path.variable,' : ', type.data,',', data);
|
|
if(!data)
|
|
data=false;
|
|
this.socket.write(
|
|
eventParser.format(
|
|
{
|
|
type:type,
|
|
data:data
|
|
}
|
|
)
|
|
);
|
|
};
|
|
|
|
function connect(){
|
|
//init client object for scope persistance especially inside of socket events.
|
|
var client=this;
|
|
|
|
client.log('requested connection to '.debug, client.id.variable, client.path.variable);
|
|
if(!this.path){
|
|
client.log('\n\n######\nerror: '.error, client.id .info,' client has not specified socket path it wishes to connect to.'.error);
|
|
return;
|
|
}
|
|
|
|
if(!client.port){
|
|
client.log('Connecting client on Unix Socket :'.debug, client.path.variable);
|
|
client.socket = net.connect(
|
|
{
|
|
path:client.path
|
|
}
|
|
);
|
|
}else{
|
|
client.log('Connecting client via TCP to'.debug, client.path.variable ,client.port);
|
|
client.socket = net.connect(
|
|
{
|
|
port:client.port,
|
|
host:client.path
|
|
}
|
|
);
|
|
}
|
|
|
|
client.socket.setEncoding(this.config.encoding);
|
|
|
|
client.socket.on(
|
|
'error',
|
|
function(err){
|
|
client.log('\n\n######\nerror: '.error, err);
|
|
}
|
|
);
|
|
|
|
client.socket.on(
|
|
'connect',
|
|
function(){
|
|
client.trigger('connect');
|
|
client.retriesRemaining=client.config.maxRetries||0;
|
|
client.log('retrying reset')
|
|
}
|
|
);
|
|
|
|
client.socket.on(
|
|
'close',
|
|
function(){
|
|
client.log('connection closed'.notice ,client.id.variable , client.path.variable, client.retriesRemaining+' of '+client.config.maxRetries);
|
|
|
|
if(client.config.stopRetrying || client.retriesRemaining<1){
|
|
client.log(
|
|
client.config.id.variable,
|
|
'exceeded connection rety amount of'.warn,
|
|
" or stopRetrying flag set."
|
|
);
|
|
|
|
client.socket.destroy();
|
|
client=undefined;
|
|
|
|
return;
|
|
}
|
|
|
|
client.isRetrying=true;
|
|
|
|
setTimeout(
|
|
(
|
|
function(client){
|
|
return function(){
|
|
client.retriesRemaining--;
|
|
client.isRetrying=false;
|
|
client.connect();
|
|
setTimeout(
|
|
function(){
|
|
if(!client.isRetrying)
|
|
client.retriesRemaining=client.config.maxRetries;
|
|
},
|
|
100
|
|
)
|
|
}
|
|
}
|
|
)(client),
|
|
client.config.retry
|
|
);
|
|
|
|
client.trigger('disconnect');
|
|
}
|
|
);
|
|
|
|
client.socket.on(
|
|
'data',
|
|
function(data) {
|
|
client.log('## recieved events ##'.rainbow);
|
|
if(!this.ipcBuffer)
|
|
this.ipcBuffer='';
|
|
|
|
data=(this.ipcBuffer+=data);
|
|
|
|
if(data.slice(-1)!=eventParser.delimiter){
|
|
server.log('Implementing larger buffer for this socket message. You may want to consider smaller messages'.notice);
|
|
return;
|
|
}
|
|
|
|
this.ipcBuffer='';
|
|
|
|
var events = eventParser.parse(data);
|
|
var eCount = events.length;
|
|
for(var i=0; i<eCount; i++){
|
|
var e=JSON.parse(
|
|
events[i]
|
|
);
|
|
client.log('detected event of type '.debug, e.type.data, e.data);
|
|
client.trigger(
|
|
e.type,
|
|
e.data
|
|
);
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
module.exports=init;
|