I found in Nginx that:
struct ngx_http_request_s {
…
ngx_http_request_t *main;
…
};
what does this argument mean?
I also found a similar argument in Apache:
request_rec* request_rec::main
//Pointer to the main request if this is a sub-request (see
http_request.h)
so,
Do they have the same meaning?
and if yes, what dose a main request and a sub-request mean? What’s the
difference between the 2 http requests?
hope anybody’s help. Thx~~
Posted at Nginx Forum:
Just out of curiosity, if GET #1 is index.html and this file has an
img tag, is the second GET a subrequest?
–
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On Thu, May 27, 2010 at 02:55:57AM -0400, 4everpan wrote:
//Pointer to the main request if this is a sub-request (see http_request.h)
so,
Do they have the same meaning?
and if yes, what dose a main request and a sub-request mean? What’s the difference between the 2 http requests?
Yes, this is the same as in Apache.
Subrequests are requests made inside a request, for example, in SSI:
<!--# include virtual="/header.html" -->
–
Igor S.
http://sysoev.ru/en/
On Thu, May 27, 2010 at 09:38:07AM +0100, Nuno Magalhães wrote:
Just out of curiosity, if GET #1 is index.html and this file has an
img tag, is the second GET a subrequest?
No. The image request is a separate client request.
Subrequests are invisible to a client as well as internal redirects.
–
Igor S.
http://sysoev.ru/en/
Igor S. Wrote:
nginx mailing list
[email protected]
nginx Info Page
It’s really a surprise for me that Igor S. answered my first
question in our forum! (^o^)/~
But I’m not familiar with SSI or shtml protocal… So… let me think
about it:
When I enter the URL “http://www.g.cn” into IE, the URL will be
redirected to “http://www.google.cn” such as follows:
Started Time Sent Received Method Result Type URL
Dose the GET of URL"Google" is a
sub-request of the GET of URL"http://www.g.cn/"?
Posted at Nginx Forum:
agentzh Wrote:
- 0.000 0.134 Â 406 Â Â 532 Â Â GET Â Â
Both of them are “main requests”.
Cheers,
-agentzh
nginx mailing list
[email protected]
nginx Info Page
I see… thx~ seems I need to look into the details of HTTP
protocal first…
Posted at Nginx Forum:
On Fri, May 28, 2010 at 2:19 PM, 4everpan [email protected] wrote:
But I’m not familiar with SSI or shtml protocal… So… let me think about it:
When I enter the URL “http://www.g.cn” into IE, the URL will be redirected to “http://www.google.cn” such as follows:
Started Time Sent Received Method Result Type URL
Dose the GET of URL"Google" is a sub-request of the GET of URL"http://www.g.cn/"?
No.
Both of them are “main requests”.
Cheers,
-agentzh