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nodejs/test/simple/test-net-server-max-connections.js
Ryan Dahl 4593c04959 Implement net.Server.maxConnections
Simplify EMFILE behavior.
2010-08-15 14:01:55 -07:00

80 lines
1.9 KiB
JavaScript

common = require("../common");
assert = common.assert;
net = require('net');
// This test creates 200 connections to a server and sets the server's
// maxConnections property to 100. The first 100 connections make it through
// and the last 100 connections are rejected.
// TODO: test that the server can accept more connections after it reaches
// its maximum and some are closed.
N = 200;
count = 0;
closes = 0;
waits = [];
server = net.createServer(function (connection) {
console.error("connect %d", count++);
connection.write("hello");
waits.push(function () { connection.end(); });
});
server.listen(common.PORT, function () {
for (var i = 0; i < N; i++) {
makeConnection(i);
}
});
server.maxConnections = N/2;
console.error("server.maxConnections = %d", server.maxConnections);
function makeConnection (index) {
setTimeout(function () {
var c = net.createConnection(common.PORT);
var gotData = false;
c.on('end', function () { c.end(); });
c.on('data', function (b) {
gotData = true;
assert.ok(0 < b.length);
});
c.on('error', function (e) {
console.error("error %d: %s", index, e);
});
c.on('close', function () {
console.error("closed %d", index);
closes++;
if (closes < N/2) {
assert.ok(server.maxConnections <= index,
index + " was one of the first closed connections but shouldnt have been");
}
if (closes === N/2) {
var cb;
console.error("calling wait callback.");
while (cb = waits.shift()) {
cb();
}
server.close();
}
if (index < server.maxConnections) {
assert.equal(true, gotData, index + " didn't get data, but should have");
} else {
assert.equal(false, gotData, index + " got data, but shouldn't have");
}
});
}, index);
}
process.on('exit', function () {
assert.equal(N, closes);
});