frodovdr/node-red
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Catch SIGINT (ctrl-C/break) and try to close nodes prior to exit.

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This commit is contained in:
Dave C-J 2013-10-12 22:00:34 +01:00
parent 8c6aa07d91
commit 1fb185d081
2 changed files with 18 additions and 25 deletions
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8
red.js
View File

@ -56,7 +56,7 @@ app.use(settings.httpRoot,red);
RED.start();
server.listen(settings.uiPort,function() {
util.log('[red] Server now running at http'+(settings.https?'s':'')+'://127.0.0.1:'+settings.uiPort+settings.httpRoot);
util.log('[red] Server now running at http'+(settings.https?'s':'')+'://127.0.0.1:'+settings.uiPort+settings.httpRoot);
});
process.on('uncaughtException',function(err) {
@ -70,4 +70,8 @@ process.on('uncaughtException',function(err) {
process.exit(1);
});
process.on('SIGINT', function () {
RED.nodes.closedown();
console.log("Exiting Node-RED. Thank you.");
process.exit();
});

35
red/nodes.js
View File

@ -42,7 +42,6 @@ function getCallerFilename(type) {
return stack[0].getFileName();
}
var registry = (function() {
var nodes = {};
var logHandlers = [];
@ -91,7 +90,6 @@ var node_type_registry = (function() {
var obj = {
register: function(type,node) {
util.inherits(node, Node);
var callerFilename = getCallerFilename(type);
if (callerFilename == null) {
util.log("["+type+"] unable to determine filename");
@ -117,7 +115,6 @@ var node_type_registry = (function() {
result += node_configs[nt];
}
return result;
}
}
return obj;
@ -176,7 +173,6 @@ Node.prototype.send = function(msg) {
}
module.exports.Node = Node;
Node.prototype.receive = function(msg) {
this.emit("input",msg);
}
@ -197,9 +193,6 @@ Node.prototype.error = function(msg) {
this.emit("log",o);
}
var credentials = {};
var credentialsFile = "credentials.json";
if (fs.existsSync(credentialsFile)) {
@ -225,8 +218,6 @@ module.exports.deleteCredentials = function(id) {
delete credentials[id];
saveCredentialsFile();
}
module.exports.createNode = function(node,def) {
Node.call(node,def);
}
@ -257,12 +248,9 @@ module.exports.load = function() {
});
}
loadNodes(__dirname+"/../nodes");
//events.emit("nodes-loaded");
}
var activeConfig = null;
var missingTypes = [];
@ -279,10 +267,15 @@ events.on('type-registered',function(type) {
}
});
module.exports.getNode = function(nid) {
return registry.get(nid);
}
module.exports.closedown = function() {
util.log("[red] Closing Down Nodes");
registry.clear();
}
module.exports.setConfig = function(conf) {
if (activeConfig&&activeConfig.length > 0) {
util.log("[red] Stopping flows");
@ -293,7 +286,6 @@ module.exports.setConfig = function(conf) {
}
var parseConfig = function() {
missingTypes = [];
for (var i in activeConfig) {
var type = activeConfig[i].type;
@ -307,7 +299,6 @@ var parseConfig = function() {
for (var i in missingTypes) {
util.log("[red] - "+missingTypes[i]);
}
return;
}
@ -317,19 +308,18 @@ var parseConfig = function() {
var nn = null;
var nt = node_type_registry.get(activeConfig[i].type);
if (nt) {
try {
nn = new nt(activeConfig[i]);
}
catch (err) {
util.log("[red] "+activeConfig[i].type+" : "+err);
}
try {
nn = new nt(activeConfig[i]);
}
catch (err) {
util.log("[red] "+activeConfig[i].type+" : "+err);
}
}
// console.log(nn);
if (nn == null) {
util.log("[red] unknown type: "+activeConfig[i].type);
}
}
// Clean up any orphaned credentials
var deletedCredentials = false;
for (var c in credentials) {
@ -343,5 +333,4 @@ var parseConfig = function() {
saveCredentialsFile();
}
events.emit("nodes-started");
}