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net: remoteAddress always undefined called before connected #43011

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net: remoteAddress always undefined called before connected
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@Y1D7NG
Y1D7NG committed May 8, 2022
commit 7d7f3f235687686b68746726318e5d7b76fdc214
6 changes: 4 additions & 2 deletions lib/net.js
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Original file line number Diff line number Diff line change
Expand Up @@ -733,7 +733,7 @@ Socket.prototype._destroy = function(exception, cb) {
};

Socket.prototype._getpeername = function() {
if (!this._handle || !this._handle.getpeername) {
if (!this._handle || !this._handle.getpeername || this.connecting) {
return this._peername || {};
} else if (!this._peername) {
this._peername = {};
Expand All @@ -760,7 +760,9 @@ protoGetter('remoteAddress', function remoteAddress() {
});

protoGetter('remoteFamily', function remoteFamily() {
return `IPv${this._getpeername().family}`;
const { family } = this._getpeername();

return family ? `IPv${family}` : family;
});

protoGetter('remotePort', function remotePort() {
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8 changes: 8 additions & 0 deletions test/parallel/test-net-remote-address-port.js
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Expand Up @@ -53,6 +53,14 @@ const server = net.createServer(common.mustCall(function(socket) {
server.listen(0, function() {
const client = net.createConnection(this.address().port, '127.0.0.1');
const client2 = net.createConnection(this.address().port);

assert.strictEqual(client.remoteAddress, undefined);
assert.strictEqual(client.remoteFamily, undefined);
assert.strictEqual(client.remotePort, undefined);
assert.strictEqual(client2.remoteAddress, undefined);
assert.strictEqual(client2.remoteFamily, undefined);
assert.strictEqual(client2.remotePort, undefined);

client.on('connect', function() {
assert.ok(remoteAddrCandidates.includes(client.remoteAddress));
assert.ok(remoteFamilyCandidates.includes(client.remoteFamily));
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