In *theory* you might be able to do this by sending two multipart/mixed
MIME sections, each having a Content-Encoding: gzip header. But I can't
imagine that any browser would support it and display it properly.


On Fri, May 24, 2013 at 3:45 PM, Tim Caswell <[email protected]> wrote:

> I'm afraid I don't know gzip format well enough to answer that.  It's
> fairly well documented at http://www.gzip.org/zlib/rfc-gzip.html though.
>
>
> On Fri, May 24, 2013 at 2:42 PM, Sławek Janecki <[email protected]> wrote:
>
>> Is there any way to 'hack' it? For example striping gzpi headers from 2nd
>> gzip chunk? Or that header is binded to gziped data?
>>
>>
>> On Friday, May 24, 2013 9:37:28 PM UTC+2, Tim Caswell wrote:
>>
>>> gzip has internal headers that must only appear at the beginning.  You
>>> can't send two gzip documents in the same document.  The browsers don't
>>> support that.
>>>
>>> If you have the same two chunks all the time, you can combine and then
>>> gzip once and send the one resulting chunk.
>>>
>>>
>>> On Fri, May 24, 2013 at 2:04 PM, Sławek Janecki <[email protected]>wrote:
>>>
>>>> Lets say I have 2 individually gziped html chunks in memory. Can I send
>>>> chunk1+chunk2 to HTTP client? Does any browser supports this? Or there is
>>>> no way to do this and I have to gzip the whole stream not individual 
>>>> chunks?
>>>>
>>>> I want to serve to clients for example chunk1+chunk2 and chunk2+chunk1
>>>> etc (different order) but I don't want to compress the whole page every
>>>> time and I dont want to cache the whole page. I want to use precompressed
>>>> cached chunks and send them.
>>>>
>>>> nodejs code (node v0.10.7):
>>>>
>>>> // creating pre cached data buffersvar zlib = require('zlib');var chunk1, 
>>>> chunk2;
>>>> zlib.gzip(new Buffer('test1'), function(err, data){
>>>>   chunk1 = data;});
>>>> zlib.gzip(new Buffer('test2'), function(err, data){
>>>>   chunk2 = data;});
>>>>
>>>> var http = require('http');
>>>> http.createServer(function (req, res) {
>>>>       res.writeHead(200, {'Content-Type': 'text/plain', 
>>>> 'Content-Encoding': 'gzip'});
>>>>       // writing two pre gziped buffers
>>>>       res.write(chunk1); // if I send only this one everything is OK
>>>>       res.write(chunk2); // if I send two chunks Chrome trying to download 
>>>> file
>>>>       res.end();}).listen(8080);
>>>>
>>>> When my example server returns this kind of response Chrome browser
>>>> display download window (it doesnt understand it :/
>>>>
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