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Code Issues Releases Wiki Activity

Add done() async close to tcp node(s)

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This commit is contained in:
dceejay 2015-01-29 21:42:56 +00:00
parent 0709a118e3
commit f6c6301733
1 changed files with 28 additions and 8 deletions
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36
nodes/core/io/31-tcpin.js
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@ -33,6 +33,7 @@ module.exports = function(RED) {
this.base64 = n.base64; this.base64 = n.base64;
this.server = (typeof n.server == 'boolean')?n.server:(n.server == "server"); this.server = (typeof n.server == 'boolean')?n.server:(n.server == "server");
this.closing = false; this.closing = false;
this.connected = false;
var node = this; var node = this;
var count = 0; var count = 0;
@ -47,6 +48,7 @@ module.exports = function(RED) {
var id = (1+Math.random()*4294967295).toString(16); var id = (1+Math.random()*4294967295).toString(16);
client = net.connect(node.port, node.host, function() { client = net.connect(node.port, node.host, function() {
buffer = (node.datatype == 'buffer')? new Buffer(0):""; buffer = (node.datatype == 'buffer')? new Buffer(0):"";
node.connected = true;
node.log("connected to "+node.host+":"+node.port); node.log("connected to "+node.host+":"+node.port);
node.status({fill:"green",shape:"dot",text:"connected"}); node.status({fill:"green",shape:"dot",text:"connected"});
}); });
@ -92,6 +94,7 @@ module.exports = function(RED) {
}); });
client.on('close', function() { client.on('close', function() {
delete connectionPool[id]; delete connectionPool[id];
node.connected = false;
node.status({fill:"red",shape:"ring",text:"disconnected"}); node.status({fill:"red",shape:"ring",text:"disconnected"});
if (!node.closing) { if (!node.closing) {
if (end) { // if we were asked to close then try to reconnect once very quick. if (end) { // if we were asked to close then try to reconnect once very quick.
@ -102,6 +105,8 @@ module.exports = function(RED) {
node.log("connection lost to "+node.host+":"+node.port); node.log("connection lost to "+node.host+":"+node.port);
reconnectTimeout = setTimeout(setupTcpClient, reconnectTime); reconnectTimeout = setTimeout(setupTcpClient, reconnectTime);
} }
} else {
if (node.done) { node.done(); }
} }
}); });
client.on('error', function(err) { client.on('error', function(err) {
@ -110,10 +115,12 @@ module.exports = function(RED) {
} }
setupTcpClient(); setupTcpClient();
this.on('close', function() { this.on('close', function(done) {
node.done = done;
this.closing = true; this.closing = true;
client.end(); client.end();
clearTimeout(reconnectTimeout); clearTimeout(reconnectTimeout);
if (!node.connected) { done(); }
}); });
} else { } else {
var server = net.createServer(function (socket) { var server = net.createServer(function (socket) {
@ -207,19 +214,19 @@ module.exports = function(RED) {
this.beserver = n.beserver; this.beserver = n.beserver;
this.name = n.name; this.name = n.name;
this.closing = false; this.closing = false;
this.connected = false;
var node = this; var node = this;
if (!node.beserver||node.beserver=="client") { if (!node.beserver||node.beserver=="client") {
var reconnectTimeout; var reconnectTimeout;
var client = null; var client = null;
var connected = false;
var end = false; var end = false;
var setupTcpClient = function() { var setupTcpClient = function() {
node.log("connecting to "+node.host+":"+node.port); node.log("connecting to "+node.host+":"+node.port);
node.status({fill:"grey",shape:"dot",text:"connecting"}); node.status({fill:"grey",shape:"dot",text:"connecting"});
client = net.connect(node.port, node.host, function() { client = net.connect(node.port, node.host, function() {
connected = true; node.connected = true;
node.log("connected to "+node.host+":"+node.port); node.log("connected to "+node.host+":"+node.port);
node.status({fill:"green",shape:"dot",text:"connected"}); node.status({fill:"green",shape:"dot",text:"connected"});
}); });
@ -230,7 +237,7 @@ module.exports = function(RED) {
}); });
client.on('close', function() { client.on('close', function() {
node.status({fill:"red",shape:"ring",text:"disconnected"}); node.status({fill:"red",shape:"ring",text:"disconnected"});
connected = false; node.connected = false;
client.destroy(); client.destroy();
if (!node.closing) { if (!node.closing) {
if (end) { if (end) {
@ -241,13 +248,15 @@ module.exports = function(RED) {
node.log("connection lost to "+node.host+":"+node.port); node.log("connection lost to "+node.host+":"+node.port);
reconnectTimeout = setTimeout(setupTcpClient,reconnectTime); reconnectTimeout = setTimeout(setupTcpClient,reconnectTime);
} }
} else {
if (node.done) { node.done(); }
} }
}); });
} }
setupTcpClient(); setupTcpClient();
node.on("input", function(msg) { node.on("input", function(msg) {
if (connected && msg.payload != null) { if (node.connected && msg.payload != null) {
if (Buffer.isBuffer(msg.payload)) { if (Buffer.isBuffer(msg.payload)) {
client.write(msg.payload); client.write(msg.payload);
} else if (typeof msg.payload === "string" && node.base64) { } else if (typeof msg.payload === "string" && node.base64) {
@ -262,10 +271,12 @@ module.exports = function(RED) {
} }
}); });
node.on("close", function() { node.on("close", function(done) {
node.done = done;
this.closing = true; this.closing = true;
client.end(); client.end();
clearTimeout(reconnectTimeout); clearTimeout(reconnectTimeout);
if (!node.connected) { done(); }
}); });
} else if (node.beserver == "reply") { } else if (node.beserver == "reply") {
@ -454,6 +465,10 @@ module.exports = function(RED) {
client = null; client = null;
}); });
client.on('close', function() {
if (node.done) { node.done(); }
});
client.on('error', function() { client.on('error', function() {
node.log('connect failed'); node.log('connect failed');
node.status({fill:"red",shape:"ring",text:"error"}); node.status({fill:"red",shape:"ring",text:"error"});
@ -477,8 +492,13 @@ module.exports = function(RED) {
else { client.write(msg.payload); } else { client.write(msg.payload); }
}); });
this.on("close", function() { this.on("close", function(done) {
if (client) { buf = null; client.end(); } node.done = done;
if (client) {
buf = null;
client.end();
}
if (!node.connected) { done(); }
}); });
} }