frodovdr/node-red
1
0
Fork 0
mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00
Code Issues Releases Wiki Activity

handle more errors for sockets. one step forward.

Browse Source
This commit is contained in:
Dave C-J 2013-09-08 11:21:26 +01:00
parent 7b4927ff5d
commit 065d47d173
1 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
nodes/io/30-socketin.js
View File

@ -24,17 +24,24 @@ function SocketIn(n) {
var node = this; var node = this;
if (this.trans == "http") { if (this.trans == "http") {
var http = require('http'); var http = require('http');
var serv = http.createServer(function (req, res) { var server = http.createServer(function (req, res) {
//node.log("http "+req.url); //node.log("http "+req.url);
var msg = {topic:node.topic,payload:req.url.slice(1)}; var msg = {topic:node.topic,payload:req.url.slice(1)};
node.send(msg); node.send(msg);
res.writeHead(304, {'Content-Type': 'text/plain'}); res.writeHead(304, {'Content-Type': 'text/plain'});
res.end('\n'); res.end('\n');
}).listen(node.port); }).listen(node.port);
server.on('error', function (e) {
if (e.code == 'EADDRINUSE') {
setTimeout(node.error('TCP port is already in use - please reconfigure socket.'),250);
}
else { console.log(e); }
server = null;
});
node.log('http listener at http://127.0.0.1:'+node.port+'/'); node.log('http listener at http://127.0.0.1:'+node.port+'/');
this._close = function() { this._close = function() {
serv.close(); if (server) server.close();
node.log('http listener stopped'); node.log('http listener stopped');
} }
} }
@ -44,11 +51,11 @@ function SocketIn(n) {
var server = net.createServer(function (socket) { var server = net.createServer(function (socket) {
var buffer = null; var buffer = null;
socket.on('data', function (chunk) { socket.on('data', function (chunk) {
if (buffer == null) { if (buffer == null) {
buffer = chunk; buffer = chunk;
} else { } else {
buffer = Buffer.concat([buffer,chunk]); buffer = Buffer.concat([buffer,chunk]);
} }
}); });
socket.on('end', function() { socket.on('end', function() {
var msg = {topic:node.topic, payload:buffer, fromip:socket.remoteAddress+':'+socket.remotePort}; var msg = {topic:node.topic, payload:buffer, fromip:socket.remoteAddress+':'+socket.remotePort};
@ -59,12 +66,14 @@ function SocketIn(n) {
if (e.code == 'EADDRINUSE') { if (e.code == 'EADDRINUSE') {
setTimeout(node.error('TCP port is already in use - please reconfigure socket.'),250); setTimeout(node.error('TCP port is already in use - please reconfigure socket.'),250);
} }
else { console.log(e); }
server = null;
}); });
server.listen(node.port); server.listen(node.port);
node.log('tcp listener on port :'+node.port); node.log('tcp listener on port :'+node.port);
this._close = function() { this._close = function() {
server.close(); if (server) server.close();
node.log('tcp listener stopped'); node.log('tcp listener stopped');
} }
} }
@ -95,13 +104,14 @@ function SocketIn(n) {
client.on('error', function() { client.on('error', function() {
node.log('tcpc socket error'); node.log('tcpc socket error');
client = null;
to = setTimeout(setupTcpClient, 10000); //Try to reconnect to = setTimeout(setupTcpClient, 10000); //Try to reconnect
}); });
} }
setupTcpClient(); setupTcpClient();
this._close = function() { this._close = function() {
client.end(); if (client) client.end();
//client.destroy(); //client.destroy();
clearTimeout(to); clearTimeout(to);
node.log('tcpc stopped client'); node.log('tcpc stopped client');
@ -120,10 +130,14 @@ function SocketIn(n) {
var msg = {topic:node.topic,payload:message,fromip:remote.address+':'+remote.port}; var msg = {topic:node.topic,payload:message,fromip:remote.address+':'+remote.port};
node.send(msg); node.send(msg);
}); });
server.on('error', function (e) {
console.log(e);
server = null;
});
server.bind(node.port); server.bind(node.port);
this._close = function() { this._close = function() {
server.close(); if (server) server.close();
node.log('udp listener stopped'); node.log('udp listener stopped');
} }
} }