node/lib/http.js

100 строки
2.5 KiB
JavaScript

'use strict';
const util = require('util');
const EventEmitter = require('events').EventEmitter;
exports.IncomingMessage = require('_http_incoming').IncomingMessage;
const common = require('_http_common');
exports.METHODS = util._extend([], common.methods).sort();
exports.OutgoingMessage = require('_http_outgoing').OutgoingMessage;
const server = require('_http_server');
exports.ServerResponse = server.ServerResponse;
exports.STATUS_CODES = server.STATUS_CODES;
const agent = require('_http_agent');
const Agent = exports.Agent = agent.Agent;
exports.globalAgent = agent.globalAgent;
const client = require('_http_client');
const ClientRequest = exports.ClientRequest = client.ClientRequest;
exports.request = function(options, cb) {
return new ClientRequest(options, cb);
};
exports.get = function(options, cb) {
var req = exports.request(options, cb);
req.end();
return req;
};
exports._connectionListener = server._connectionListener;
const Server = exports.Server = server.Server;
exports.createServer = function(requestListener) {
return new Server(requestListener);
};
// Legacy Interface
function Client(port, host) {
if (!(this instanceof Client)) return new Client(port, host);
EventEmitter.call(this);
host = host || 'localhost';
port = port || 80;
this.host = host;
this.port = port;
this.agent = new Agent({ host: host, port: port, maxSockets: 1 });
}
util.inherits(Client, EventEmitter);
Client.prototype.request = function(method, path, headers) {
var self = this;
var options = {};
options.host = self.host;
options.port = self.port;
if (method[0] === '/') {
headers = path;
path = method;
method = 'GET';
}
options.method = method;
options.path = path;
options.headers = headers;
options.agent = self.agent;
var c = new ClientRequest(options);
c.on('error', function(e) {
self.emit('error', e);
});
// The old Client interface emitted 'end' on socket end.
// This doesn't map to how we want things to operate in the future
// but it will get removed when we remove this legacy interface.
c.on('socket', function(s) {
s.on('end', function() {
if (self._decoder) {
var ret = self._decoder.end();
if (ret)
self.emit('data', ret);
}
self.emit('end');
});
});
return c;
};
exports.Client = util.deprecate(Client,
'http.Client will be removed soon. Do not use it.');
exports.createClient = util.deprecate(function(port, host) {
return new Client(port, host);
}, 'http.createClient is deprecated. Use `http.request` instead.');