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body_bytes_sent always 0

March 23, 2011 06:12PM
I'm trying to configure a post_action to submit details of downloads to our app but when I do the body_bytes_sent is always 0 even after a successful download.

The flow we have is:-
1. external request
2. proxy pass to app for authorisation
3. app returns X-Accel-Redirect if authorised then process download
4. post_action to internal location
5. internal location proxy passes to app to register download including size which is used to determine if download completed

Its #5 where the issue appears as the download size passed via X-Bytes-Sent is always 0

Here's the config for #4 and #5

location /files {
alias /data/files/;
internal;
post_action /internal/finish_download;
}

location = /internal/finish_download {
internal;
proxy_set_header Host internal;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Original-Host $server_name;
proxy_set_header X-Original-Uri $request_uri;
proxy_set_header X-Bytes-Sent $body_bytes_sent;
proxy_set_header X-Range $http_range;
proxy_pass http://balancer/internal/finish_download;
}


Everything else seems to work fine its just X-Bytes-Sent is always 0, I've checked in the access entry and size is set correctly so it seems that $body_bytes_sent is lost by the time it gets into the post_action location.
Subject Author Posted

body_bytes_sent always 0

steveh March 23, 2011 06:12PM

Re: body_bytes_sent always 0

steveh March 23, 2011 07:20PM



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