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我正在使用PHP尝试发送http 206内容.但是,即使我确认内容是在服务器上发送的,接收到标头后客户端仍会以某种方式立即报告已关闭的连接.
我认为这与标头或类似的设置有关.顶级代码是:
$headers['content-length'] = $range['end']-$range['start']+1;
header('http/1.1 206 Partial Content');
header("Pragma: {$headers['pragma']}");
header("Cache-Control: {$headers['cache-control']}");
header("Content-type: {$headers['content-type']}");
header("Content-Disposition: {$headers['content-disposition']}; filename=\"{$headers['filename']}\"");
header("Content-range: {$range['start']}-{$range['end']}/{$reqFile['size']}");
header("Content-length: {$headers['content-length']}");
outputFileRange($reqFile['handle'], $range['start'], $range['end']);
WGET输出
当我尝试通过wget获取时:
$wget -t 1 -d -SO /dev/null --header="X-BACkend-Port: 80" --header="Range: bytes=50-" http://1.2.3.4/download/123.ogv
我得到以下内容:
SetTing --server-response (serverresponsE) to 1
SetTing --output-document (outputdocument) to /dev/null
SetTing --header (header) to X-BACkend-Port: 80
SetTing --header (header) to Range: bytes=50-
DEBUG output created by Wget 1.13.4 on linux-gnu.
URI encoding = `UTF-8'
--2013-10-18 11:05:36-- http://1.2.3.4/download/123.ogv
ConnecTing to 1.2.3.4:80... connected.
Created socket 4.
Releasing 0x0855da38 (new refcount 0).
deleting unused 0x0855da38.
---request begin---
GET /download/123.ogv http/1.1
User-Agent: Wget/1.13.4 (linux-gnu)
Accept: */*
Host: 1.2.3.4
Connection: Keep-Alive
X-BACkend-Port: 80
Range: bytes=50-
---request end---
http request sent, awaiTing response...
---response begin---
http/1.1 206 Partial Content
Server: Nginx/0.7.67
Date: Fri, 18 Oct 2013 07:05:36 GMT
Content-Type: application/octet-stream
Connection: keep-alive
X-Powered-By: PHP/5.3.3-7+squeeze17
Pragma:
Cache-Control:
Content-Disposition: attachment; filename="123.ogv"
Content-range: 50-6642903/6642903
Content-length: 6642854
---response end---
http/1.1 206 Partial Content
Server: Nginx/0.7.67
Date: Fri, 18 Oct 2013 07:05:36 GMT
Content-Type: application/octet-stream
Connection: keep-alive
X-Powered-By: PHP/5.3.3-7+squeeze17
Pragma:
Cache-Control:
Content-Disposition: attachment; filename="123.ogv"
Content-range: 50-6642903/6642903
Content-length: 6642854
Registered socket 4 for persistent reuse.
Disabling further reuse of socket 4.
Closed fd 4
Giving up.
解决方法:
尝试设置内容范围:50-6642902 / 6642903
根据http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
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