mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
More resilient binding to correct port for udp, give input side priority
This commit is contained in:
Dave Conway-Jones
parent
f488869635
commit
33d0d12bc8
@ -58,17 +58,36 @@ module.exports = function(RED) {
|
||||
if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
|
||||
var server;
|
||||
|
||||
if (!udpInputPortsInUse.hasOwnProperty(this.port)) {
|
||||
if (!udpInputPortsInUse.hasOwnProperty(node.port)) {
|
||||
server = dgram.createSocket(opts); // default to udp4
|
||||
udpInputPortsInUse[this.port] = server;
|
||||
server.bind(node.port, function() {
|
||||
if (node.multicast == "true") {
|
||||
server.setBroadcast(true);
|
||||
server.setMulticastLoopback(false);
|
||||
try {
|
||||
server.setMulticastTTL(128);
|
||||
server.addMembership(node.group,node.iface);
|
||||
if (node.iface) { node.status({text:n.iface+" : "+node.iface}); }
|
||||
node.log(RED._("udp.status.mc-group",{group:node.group}));
|
||||
} catch (e) {
|
||||
if (e.errno == "EINVAL") {
|
||||
node.error(RED._("udp.errors.bad-mcaddress"));
|
||||
} else if (e.errno == "ENODEV") {
|
||||
node.error(RED._("udp.errors.interface"));
|
||||
} else {
|
||||
node.error(RED._("udp.errors.error",{error:e.errno}));
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
udpInputPortsInUse[node.port] = server;
|
||||
}
|
||||
else {
|
||||
node.log(RED._("udp.errors.alreadyused",{port:node.port}));
|
||||
server = udpInputPortsInUse[this.port]; // re-use existing
|
||||
server = udpInputPortsInUse[node.port]; // re-use existing
|
||||
if (node.iface) { node.status({text:n.iface+" : "+node.iface}); }
|
||||
}
|
||||
|
||||
if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
|
||||
|
||||
server.on("error", function (err) {
|
||||
if ((err.code == "EACCES") && (node.port < 1024)) {
|
||||
node.error(RED._("udp.errors.access-error"));
|
||||
@ -92,39 +111,24 @@ module.exports = function(RED) {
|
||||
|
||||
server.on('listening', function () {
|
||||
var address = server.address();
|
||||
node.log(RED._("udp.status.listener-at",{host:address.address,port:address.port}));
|
||||
if (node.multicast == "true") {
|
||||
server.setBroadcast(true);
|
||||
try {
|
||||
server.setMulticastTTL(128);
|
||||
server.addMembership(node.group,node.iface);
|
||||
node.log(RED._("udp.status.mc-group",{group:node.group}));
|
||||
} catch (e) {
|
||||
if (e.errno == "EINVAL") {
|
||||
node.error(RED._("udp.errors.bad-mcaddress"));
|
||||
} else if (e.errno == "ENODEV") {
|
||||
node.error(RED._("udp.errors.interface"));
|
||||
} else {
|
||||
node.error(RED._("udp.errors.error",{error:e.errno}));
|
||||
}
|
||||
}
|
||||
}
|
||||
node.log(RED._("udp.status.listener-at",{host:node.iface||address.address,port:address.port}));
|
||||
|
||||
});
|
||||
|
||||
node.on("close", function() {
|
||||
if (udpInputPortsInUse.hasOwnProperty(node.port)) {
|
||||
delete udpInputPortsInUse[node.port];
|
||||
}
|
||||
try {
|
||||
if (node.multicast == "true") { server.dropMembership(node.group); }
|
||||
server.close();
|
||||
node.log(RED._("udp.status.listener-stopped"));
|
||||
} catch (err) {
|
||||
//node.error(err);
|
||||
}
|
||||
if (udpInputPortsInUse.hasOwnProperty(node.port)) {
|
||||
delete udpInputPortsInUse[node.port];
|
||||
}
|
||||
node.status({});
|
||||
});
|
||||
|
||||
try { server.bind(node.port,node.iface); }
|
||||
catch(e) { } // Don't worry if already bound
|
||||
}
|
||||
RED.httpAdmin.get('/udp-ports/:id', RED.auth.needsPermission('udp-ports.read'), function(req,res) {
|
||||
res.json(Object.keys(udpInputPortsInUse));
|
||||
@ -132,6 +136,7 @@ module.exports = function(RED) {
|
||||
RED.nodes.registerType("udp in",UDPin);
|
||||
|
||||
|
||||
|
||||
// The Output Node
|
||||
function UDPout(n) {
|
||||
RED.nodes.createNode(this,n);
|
||||
@ -169,92 +174,99 @@ module.exports = function(RED) {
|
||||
}
|
||||
|
||||
var opts = {type:node.ipv, reuseAddr:true};
|
||||
if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
|
||||
|
||||
var sock;
|
||||
var p = this.outport || this.port || "0";
|
||||
if (udpInputPortsInUse[p]) {
|
||||
sock = udpInputPortsInUse[p];
|
||||
node.log(RED._("udp.status.re-use",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
}
|
||||
else {
|
||||
sock = dgram.createSocket(opts); // default to udp4
|
||||
sock.on("error", function(err) {
|
||||
// Any async error will also get reported in the sock.send call.
|
||||
// This handler is needed to ensure the error marked as handled to
|
||||
// prevent it going to the global error handler and shutting node-red
|
||||
// down.
|
||||
});
|
||||
udpInputPortsInUse[p] = sock;
|
||||
|
||||
if (node.multicast != "false") {
|
||||
sock.bind(node.outport, function() { // have to bind before you can enable broadcast...
|
||||
sock.setBroadcast(true); // turn on broadcast
|
||||
if (node.multicast == "multi") {
|
||||
try {
|
||||
sock.setMulticastTTL(128);
|
||||
sock.addMembership(node.addr,node.iface); // Add to the multicast group
|
||||
node.log(RED._("udp.status.mc-ready",{iface:node.iface,outport:node.outport,host:node.addr,port:node.port}));
|
||||
} catch (e) {
|
||||
if (e.errno == "EINVAL") {
|
||||
node.error(RED._("udp.errors.bad-mcaddress"));
|
||||
} else if (e.errno == "ENODEV") {
|
||||
node.error(RED._("udp.errors.interface"));
|
||||
} else {
|
||||
node.error(RED._("udp.errors.error",{error:e.errno}));
|
||||
node.tout = setTimeout(function() {
|
||||
if (udpInputPortsInUse[p]) {
|
||||
sock = udpInputPortsInUse[p];
|
||||
node.log(RED._("udp.status.re-use",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
if (node.iface) { node.status({text:n.iface+" : "+node.iface}); }
|
||||
}
|
||||
else {
|
||||
sock = dgram.createSocket(opts); // default to udp4
|
||||
if (node.multicast != "false") {
|
||||
sock.bind(node.outport, function() { // have to bind before you can enable broadcast...
|
||||
sock.setBroadcast(true); // turn on broadcast
|
||||
sock.setMulticastLoopback(false); // turn off loopback
|
||||
if (node.multicast == "multi") {
|
||||
try {
|
||||
sock.setMulticastTTL(128);
|
||||
sock.addMembership(node.addr,node.iface); // Add to the multicast group
|
||||
if (node.iface) { node.status({text:n.iface+" : "+node.iface}); }
|
||||
node.log(RED._("udp.status.mc-ready",{iface:node.iface,outport:node.outport,host:node.addr,port:node.port}));
|
||||
} catch (e) {
|
||||
if (e.errno == "EINVAL") {
|
||||
node.error(RED._("udp.errors.bad-mcaddress"));
|
||||
} else if (e.errno == "ENODEV") {
|
||||
node.error(RED._("udp.errors.interface"));
|
||||
} else {
|
||||
node.error(RED._("udp.errors.error",{error:e.errno}));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
node.log(RED._("udp.status.bc-ready",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
}
|
||||
} else {
|
||||
node.log(RED._("udp.status.bc-ready",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
}
|
||||
});
|
||||
} else if ((node.outport !== "") && (!udpInputPortsInUse[node.outport])) {
|
||||
sock.bind(node.outport);
|
||||
node.log(RED._("udp.status.ready",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
} else {
|
||||
node.log(RED._("udp.status.ready-nolocal",{host:node.addr,port:node.port}));
|
||||
}
|
||||
sock.on("error", function(err) {
|
||||
// Any async error will also get reported in the sock.send call.
|
||||
// This handler is needed to ensure the error marked as handled to
|
||||
// prevent it going to the global error handler and shutting node-red
|
||||
// down.
|
||||
});
|
||||
} else if ((node.outport !== "") && (!udpInputPortsInUse[node.outport])) {
|
||||
sock.bind(node.outport);
|
||||
node.log(RED._("udp.status.ready",{outport:node.outport,host:node.addr,port:node.port}));
|
||||
} else {
|
||||
node.log(RED._("udp.status.ready-nolocal",{host:node.addr,port:node.port}));
|
||||
udpInputPortsInUse[p] = sock;
|
||||
}
|
||||
}
|
||||
|
||||
node.on("input", function(msg) {
|
||||
if (msg.hasOwnProperty("payload")) {
|
||||
var add = node.addr || msg.ip || "";
|
||||
var por = node.port || msg.port || 0;
|
||||
if (add === "") {
|
||||
node.warn(RED._("udp.errors.ip-notset"));
|
||||
} else if (por === 0) {
|
||||
node.warn(RED._("udp.errors.port-notset"));
|
||||
} else if (isNaN(por) || (por < 1) || (por > 65535)) {
|
||||
node.warn(RED._("udp.errors.port-invalid"));
|
||||
} else {
|
||||
var message;
|
||||
if (node.base64) {
|
||||
message = Buffer.from(msg.payload, 'base64');
|
||||
} else if (msg.payload instanceof Buffer) {
|
||||
message = msg.payload;
|
||||
node.on("input", function(msg) {
|
||||
if (msg.hasOwnProperty("payload")) {
|
||||
var add = node.addr || msg.ip || "";
|
||||
var por = node.port || msg.port || 0;
|
||||
if (add === "") {
|
||||
node.warn(RED._("udp.errors.ip-notset"));
|
||||
} else if (por === 0) {
|
||||
node.warn(RED._("udp.errors.port-notset"));
|
||||
} else if (isNaN(por) || (por < 1) || (por > 65535)) {
|
||||
node.warn(RED._("udp.errors.port-invalid"));
|
||||
} else {
|
||||
message = Buffer.from(""+msg.payload);
|
||||
}
|
||||
sock.send(message, 0, message.length, por, add, function(err, bytes) {
|
||||
if (err) {
|
||||
node.error("udp : "+err,msg);
|
||||
var message;
|
||||
if (node.base64) {
|
||||
message = Buffer.from(msg.payload, 'base64');
|
||||
} else if (msg.payload instanceof Buffer) {
|
||||
message = msg.payload;
|
||||
} else {
|
||||
message = Buffer.from(""+msg.payload);
|
||||
}
|
||||
message = null;
|
||||
});
|
||||
sock.send(message, 0, message.length, por, add, function(err, bytes) {
|
||||
if (err) {
|
||||
node.error("udp : "+err,msg);
|
||||
}
|
||||
message = null;
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
});
|
||||
}, 150);
|
||||
|
||||
node.on("close", function() {
|
||||
if (udpInputPortsInUse.hasOwnProperty(p)) {
|
||||
delete udpInputPortsInUse[p];
|
||||
}
|
||||
if (node.tout) { clearTimeout(node.tout); }
|
||||
try {
|
||||
if (node.multicast == "multi") { sock.dropMembership(node.group); }
|
||||
sock.close();
|
||||
node.log(RED._("udp.status.output-stopped"));
|
||||
} catch (err) {
|
||||
//node.error(err);
|
||||
}
|
||||
if (udpInputPortsInUse.hasOwnProperty(p)) {
|
||||
delete udpInputPortsInUse[p];
|
||||
}
|
||||
node.status({});
|
||||
});
|
||||
}
|
||||
RED.nodes.registerType("udp out",UDPout);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user