diff options
Diffstat (limited to 'lib/api/api-connect.js')
-rw-r--r-- | lib/api/api-connect.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/lib/api/api-connect.js b/lib/api/api-connect.js new file mode 100644 index 0000000..fd2b6ad --- /dev/null +++ b/lib/api/api-connect.js @@ -0,0 +1,104 @@ +'use strict' + +const { AsyncResource } = require('async_hooks') +const { InvalidArgumentError, RequestAbortedError, SocketError } = require('../core/errors') +const util = require('../core/util') +const { addSignal, removeSignal } = require('./abort-signal') + +class ConnectHandler extends AsyncResource { + constructor (opts, callback) { + if (!opts || typeof opts !== 'object') { + throw new InvalidArgumentError('invalid opts') + } + + if (typeof callback !== 'function') { + throw new InvalidArgumentError('invalid callback') + } + + const { signal, opaque, responseHeaders } = opts + + if (signal && typeof signal.on !== 'function' && typeof signal.addEventListener !== 'function') { + throw new InvalidArgumentError('signal must be an EventEmitter or EventTarget') + } + + super('UNDICI_CONNECT') + + this.opaque = opaque || null + this.responseHeaders = responseHeaders || null + this.callback = callback + this.abort = null + + addSignal(this, signal) + } + + onConnect (abort, context) { + if (!this.callback) { + throw new RequestAbortedError() + } + + this.abort = abort + this.context = context + } + + onHeaders () { + throw new SocketError('bad connect', null) + } + + onUpgrade (statusCode, rawHeaders, socket) { + const { callback, opaque, context } = this + + removeSignal(this) + + this.callback = null + + let headers = rawHeaders + // Indicates is an HTTP2Session + if (headers != null) { + headers = this.responseHeaders === 'raw' ? util.parseRawHeaders(rawHeaders) : util.parseHeaders(rawHeaders) + } + + this.runInAsyncScope(callback, null, null, { + statusCode, + headers, + socket, + opaque, + context + }) + } + + onError (err) { + const { callback, opaque } = this + + removeSignal(this) + + if (callback) { + this.callback = null + queueMicrotask(() => { + this.runInAsyncScope(callback, null, err, { opaque }) + }) + } + } +} + +function connect (opts, callback) { + if (callback === undefined) { + return new Promise((resolve, reject) => { + connect.call(this, opts, (err, data) => { + return err ? reject(err) : resolve(data) + }) + }) + } + + try { + const connectHandler = new ConnectHandler(opts, callback) + this.dispatch({ ...opts, method: 'CONNECT' }, connectHandler) + } catch (err) { + if (typeof callback !== 'function') { + throw err + } + const opaque = opts && opts.opaque + queueMicrotask(() => callback(err, { opaque })) + } +} + +module.exports = connect |