Cocos2d-x如何设置http头

最近想应用Cocos2d-x的WebSocket做个网络小游戏,cpp-test的WebSocket部分基本看明白了,服务端用SuperWebSocket也研究得差不多了。现在就是不知道,Cocos2d-x发出去的http头在哪儿设置,现在每次发给服务器的都是一段字符串,我想至少应该在握手的时候发个SessionID和用户名吧,
通过服务端得到的目前的http头是这样的:


GET /sample HTTP/1.1
Pragma: no-cache
Cache-Control: no-cache
Host: localhost
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Key: KSO+hOFs1q5SkEnx8bvp6w==
Origin: http://localhost
Sec-WebSocket-Protocol: default-protocol
Sec-WebSocket-Extensions: x-webkit-deflate-frame,deflate-frame
Sec-WebSocket-Version: 13

SuperWebSocket自带的例子中的http头是这样的:


GET /sample HTTP/1.1
Host: localhost:2011
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Upgrade: websocket
Origin: http://localhost:2111
Sec-WebSocket-Version: 13
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36
Accept-Encoding: gzip, deflate, sdch
Accept-Language: zh-CN,zh;q=0.8,en;q=0.6
Cookie: ASP.NET_SessionId=olxtfqgbfl0ckizhxeye02ky; name=a
Sec-WebSocket-Key: nNBva3sX4q2nVGatijCGfw==
Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits

请教各位大神,Cocos2d-x应该怎么设这个头,至少能加个Cookie也好,应该在哪儿设置?

:7: 大家早上好,召唤大神~~