关于http回应包数据获取的一个问题？

HTTP/1.1 200 OK
Set-Cookie: JSESSIONID=9BEE40CA8F90782222EC998A505018B7; Path=/swdx
Content-Type: text/xml;charset=utf-8
Transfer-Encoding: chunked
Date: Thu, 27 Aug 2009 05:49:19 GMT
Server: Apache-Coyote/1.12000
<?xml version="1.0" encoding="UTF-8"?><Package><totalCount>423</totalCount><MaxId>1952057</MaxId><Message><DeliverMessage><Id>1952057</Id><Userid>szmengwang</Userid><Srctermid>13474483970</Srctermid><Desttermid>07242341264</Desttermid><Content>adsfasdf</Content><Receivetime>2009-08-21 19:05:04.0</Receivetime></DeliverMessage><DeliverMessage><Id>1951249</Id><Userid>szmengwang</Userid><Srctermid>13891284139</Srctermid><Desttermid>07242341264</Desttermid><Content>: </Content><Receivetime>2009-08-21 15:43:02.0</Receivetime></DeliverMessage><DeliverMessage><Id>1951198</Id><Userid>szmengwang</Userid><Srctermid>13892231965</Srctermid><Desttermid>07242341264</Desttermid><Content>浣犲湪涓嶈缁欐垜鍙戜俊鎭?/Content><Receivetime>2009-08-21 15:24:03.0</Receivetime></DeliverMessage><DeliverMessage><Id>1951168</Id><Userid>szmengwang</Userid><Srctermid>13891215690</Srctermid><Desttermid>07242341264</Desttermid><Content>浣犱粬濡堜笉瑕佸彂浜?/Content><Receivetime>2009-08-21 15:13:54.0</Receivetime></DeliverMessage></Message></Package>
如上，是用抓包工具抓到的一个HTTP回应包我程序中用socket接收http请求，解析，可是recv函数返回的只有部分数据。那我应该如何获取全部数据呢？希望高手指点一二  谢谢了！~~~