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start.js
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138 lines (81 loc) · 2.7 KB
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var os = require('os');
var fork = require('child_process').fork;
var path = require('path');
var NODES = [];
var currentNodeIdx = 0;
var RELEASE = null;
var SERVER = null;
var URI = null;
require('./lib/atajo.env').init(function() {
require('./lib/atajo.provider').init(function(atajo) {
global.atajo = atajo;
//atajo.clear();
require('./lib/atajo.setup').init(function() {
atajo.log.i("STARTING PROVIDER");
//GET RELEASE
atajo.release(function(__RELEASE__, __SERVER__) {
RELEASE = __RELEASE__;
SERVER = __SERVER__;
atajo.postInit(RELEASE);
URI = SERVER.protocol + '://' + SERVER.host;
var len = __RELEASE__ == 'PRD' ? os.cpus().length : 1;
len = (len > 4) ? 4 : len;
atajo.log.d("CONNECTING TO : " + URI + " (" + RELEASE + ") WITH " + len + " CONNECTIONS");
for (var i = 0; i < len; i++) {
var NODE = createNode(i);
NODES.push(NODE);
}
initNextNode();
});
});
});
});
function createNode(i) {
var NODE = {
process: fork(path.join(__dirname, './', 'lib', 'atajo.io.js')),
processId: i,
release: RELEASE
}
NODE.process.on('message', function(msg) {
//atajo.log.i("GOT MESSAGE FROM NODE : ");
//atajo.log.i(msg);
});
return NODE;
}
function startNode(NODE) {
atajo.log.d("CONNECTING NODE " + NODE.processId + " TO " + URI);
NODE.process.send({ action: 'start', processId: NODE.processId, release: NODE.release, uri: URI });
}
function initNextNode(idx) {
idx = idx || currentNodeIdx;
var NODE = NODES[idx];
if (NODE && typeof NODE != 'undefined') {
setTimeout(function() {
//atajo.log.d("STARTING NODE " + NODE.processId);
startNode(NODE);
currentNodeIdx++;
initNextNode();
}, 2000);
} else {
atajo.log.i("ALL (" + NODES.length + ") NODES STARTED");
startNodeMonitor();
}
}
var monitorInterval = null;
function startNodeMonitor() {
clearInterval(monitorInterval);
monitorInterval = setInterval(function() {
// atajo.log.d("SENDING ALIVE TO NODES ");
for (var i in NODES) {
var NODE = NODES[i];
try {
NODE.process.send({ action: 'alive' });
} catch (e) {
atajo.log.w("NODE " + i + " NOT REACHABLE. RESTARTING");
var NODE = createNode(i);
NODES[i] = NODE;
startNode(NODE);
}
}
}, 10000);
}