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Output a warning instead of crashing if ZMQ library is too old to

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support TCP keepalive options. Fixes #109.
This commit is contained in:
Simo Kinnunen 2015-10-14 01:38:17 +09:00
parent 2a5a7bae9a
commit b248e96dc2
1 changed files with 11 additions and 2 deletions
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9
lib/util/zmqutil.js
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@ -6,9 +6,18 @@
var zmq = require('zmq') var zmq = require('zmq')
var log = require('./logger').createLogger('util:zmqutil')
module.exports.socket = function() { module.exports.socket = function() {
var sock = zmq.socket.apply(zmq, arguments) var sock = zmq.socket.apply(zmq, arguments)
try {
sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE, 1) sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE, 1)
sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE_IDLE, 300000) sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE_IDLE, 300000)
}
catch (err) {
log.warn('ZeroMQ library too old, no support for TCP keepalive options')
}
return sock return sock
} }