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[refactor minor] Update vendor/websocket.js to be compatible with node@0.6.x

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This commit is contained in:
indexzero 2011-12-23 01:32:49 -05:00
parent 5b52c89694
commit ea7fea6272
1 changed files with 98 additions and 100 deletions
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198
vendor/websocket.js vendored
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@ -496,7 +496,7 @@ var WebSocket = function(url, proto, opts) {
if (u.protocol === 'ws:' || u.protocol === 'wss:') {
protocol = u.protocol === 'ws:' ? http : https;
port = u.protocol === 'ws:' ? 80 : 443;
agent = u.protocol === 'ws:' ? protocol.getAgent(u.hostname, u.port || port) : protocol.getAgent({
agent = u.protocol === new protocol.Agent({
host: u.hostname,
port: u.port || port
});
@ -514,105 +514,6 @@ var WebSocket = function(url, proto, opts) {
throw new Error('Invalid URL scheme \'' + urlScheme + '\' specified.');
}
if (!agent._events || agent._events['upgrade'].length === 0) {
agent.on('upgrade', (function() {
var data = undefined;
return function(res, s, head) {
stream = s;
//
// Emit the `wsupgrade` event to inspect the raw
// arguments returned from the websocket request.
//
self.emit('wsupgrade', httpHeaders, res, s, head);
stream.on('data', function(d) {
if (d.length <= 0) {
return;
}
if (!data) {
data = d;
} else {
var data2 = new buffer.Buffer(data.length + d.length);
data.copy(data2, 0, 0, data.length);
d.copy(data2, data.length, 0, d.length);
data = data2;
}
if (data.length >= 16) {
var expected = computeSecretKeySignature(key1, key2, challenge);
var actual = data.slice(0, 16).toString('binary');
// Handshaking fails; we're donezo
if (actual != expected) {
debug(
'expected=\'' + str2hex(expected) + '\'; ' +
'actual=\'' + str2hex(actual) + '\''
);
process.nextTick(function() {
// N.B. Emit 'wserror' here, as 'error' is a reserved word in the
// EventEmitter world, and gets thrown.
self.emit(
'wserror',
new Error('Invalid handshake from server:' +
'expected \'' + str2hex(expected) + '\', ' +
'actual \'' + str2hex(actual) + '\''
)
);
if (self.onerror) {
self.onerror();
}
finishClose();
});
}
//
// Un-register our data handler and add the one to be used
// for the normal, non-handshaking case. If we have extra
// data left over, manually fire off the handler on
// whatever remains.
//
stream.removeAllListeners('data');
stream.on('data', dataListener);
readyState = OPEN;
process.nextTick(function() {
self.emit('open');
if (self.onopen) {
self.onopen();
}
});
// Consume any leftover data
if (data.length > 16) {
stream.emit('data', data.slice(16, data.length));
}
}
});
stream.on('fd', fdListener);
stream.on('error', errorListener);
stream.on('close', function() {
errorListener(new Error('Stream closed unexpectedly.'));
});
stream.emit('data', head);
};
})());
}
agent.on('error', function (e) {
errorListener(e);
});
var httpReq = protocol.request({
host: u.hostname,
method: 'GET',
@ -622,6 +523,103 @@ var WebSocket = function(url, proto, opts) {
headers: httpHeaders
});
httpReq.on('error', function (e) {
errorListener(e);
});
httpReq.on('upgrade', (function() {
var data = undefined;
return function(res, s, head) {
stream = s;
//
// Emit the `wsupgrade` event to inspect the raw
// arguments returned from the websocket request.
//
self.emit('wsupgrade', httpHeaders, res, s, head);
stream.on('data', function(d) {
if (d.length <= 0) {
return;
}
if (!data) {
data = d;
} else {
var data2 = new buffer.Buffer(data.length + d.length);
data.copy(data2, 0, 0, data.length);
d.copy(data2, data.length, 0, d.length);
data = data2;
}
if (data.length >= 16) {
var expected = computeSecretKeySignature(key1, key2, challenge);
var actual = data.slice(0, 16).toString('binary');
// Handshaking fails; we're donezo
if (actual != expected) {
debug(
'expected=\'' + str2hex(expected) + '\'; ' +
'actual=\'' + str2hex(actual) + '\''
);
process.nextTick(function() {
// N.B. Emit 'wserror' here, as 'error' is a reserved word in the
// EventEmitter world, and gets thrown.
self.emit(
'wserror',
new Error('Invalid handshake from server:' +
'expected \'' + str2hex(expected) + '\', ' +
'actual \'' + str2hex(actual) + '\''
)
);
if (self.onerror) {
self.onerror();
}
finishClose();
});
}
//
// Un-register our data handler and add the one to be used
// for the normal, non-handshaking case. If we have extra
// data left over, manually fire off the handler on
// whatever remains.
//
stream.removeAllListeners('data');
stream.on('data', dataListener);
readyState = OPEN;
process.nextTick(function() {
self.emit('open');
if (self.onopen) {
self.onopen();
}
});
// Consume any leftover data
if (data.length > 16) {
stream.emit('data', data.slice(16, data.length));
}
}
});
stream.on('fd', fdListener);
stream.on('error', errorListener);
stream.on('close', function() {
errorListener(new Error('Stream closed unexpectedly.'));
});
stream.emit('data', head);
};
})());
httpReq.write(challenge, 'binary');
httpReq.end();
})();