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cluster: simplify process event handling

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This simplify the internalMessage and exit event handling
And simply relay message and error event to the worker object
Note that the error event was not relayed before
This commit is contained in:
Andreas Madsen 2012-02-01 17:16:15 +01:00 committed by isaacs
parent 5e1471c806
commit a20872045a
1 changed files with 7 additions and 21 deletions
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28
lib/cluster.js
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@ -169,7 +169,7 @@ function handleResponse(outMessage, outHandle, inMessage, inHandle, worker) {
// Handle messages from both master and workers
var messageHandingObject = {};
function handleMessage(inMessage, inHandle, worker) {
function handleMessage(worker, inMessage, inHandle) {
//Remove internal prefix
var message = extendObject({}, inMessage);
@ -303,27 +303,13 @@ function Worker(customEnv) {
});
}
// Internal message: handle message
this.process.on('internalMessage', function(message, handle) {
debug('recived: ', message);
// handle internalMessage and exit event
this.process.on('internalMessage', handleMessage.bind(null, this));
this.process.on('exit', prepareDeath.bind(null, this, 'dead', 'death'));
// relay to handleMessage
handleMessage(message, handle, self);
return;
});
// Non-internal message: relay to Worker object
this.process.on('message', function(message, handle) {
self.emit('message', message, handle);
});
// Handle exit
self.process.on('exit', function() {
debug('worker id=' + self.uniqueID + ' died');
// Prepare worker to die and emit events
prepareDeath(self, 'dead', 'death');
});
// relay message and error
this.process.on('message', this.emit.bind(this, 'message'));
this.process.on('error', this.emit.bind(this, 'error'));
}
util.inherits(Worker, EventEmitter);