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 <jane...@gmail.com> 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 <jan...@gmail.com> 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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