09-13-2011
Quote:
Originally Posted by
alister
When Firefox requests the file, it indicates that it accepts gzip encoding. When wget or curl ask for it, they do not indicate this. In a bizarre attempt to be helpful, instead of sending you the compressed text file, or redirecting, or refusing to comply, the webserver sends you plain text.
Could this be server-side compression gone wrong? Many webservers support sending text
as zipped data, but to do the reverse operation is just weird. It'd make sense for character encodings but not for a file on disk. You don't have to say you accept binary/unknown to download binary/unknown...
---------- Post updated at 10:22 AM ---------- Previous update was at 10:19 AM ----------
--header 'Accept-Encoding: gzip' works for wget too.
Last edited by Corona688; 09-13-2011 at 01:32 PM..
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LEARN ABOUT DEBIAN
ns_connflush
Ns_ConnFlush(3aolserver) AOLserver Library Procedures Ns_ConnFlush(3aolserver)
__________________________________________________________________________________________________________________________________________________
NAME
Ns_ConnFlush, Ns_ConnFlushDirect - Flush content to an open connection
SYNOPSIS
#include "ns.h"
int
Ns_ConnFlush(conn, buf, len, stream)
int
Ns_ConnFlushDirect(conn, buf, len, stream)
ARGUMENTS
char *buf (in) Pointer to buffer to send.
Ns_Conn conn (in) Pointer to current connection.
int len (in) Length of bytes pointed to by buf.
int stream (in) Boolean value to indicate a streamed response.
_________________________________________________________________
DESCRIPTION
These routines support sending content to the client through the connection's communcation driver. They support generating both complete
single responses or streaming content through multiple calls. They both take a pointer to the current connection specified by the conn
argument and a pointer to content to send specified by buf of length len. If len is negative, buf is assumed to be a null terminated
string and len is calculated by strlen.
The stream argument, if zero, indicates a single response should be generated. In this case, an appropriate content-length header is gen-
erated, the content is sent, and the connection is closed with Ns_ConnClose. If stream is not zero, the call is assumed to be one of
potential multiple calls which will send content incrementally to the client. Content streamed in this case is sent either in chunked
encoding mode for HTTP/1.1 clients or directly, without a content-length as was common in pre-HTTP/1.1 applications. Applications which
stream content should be sure to make a final call Ns_ConnFlush or Ns_ConnFlushDirect with stream set to zero to correctly flush and close
the connection.
The Ns_ConnFlush and Ns_ConnFlushDirect differ in their treatment of the given content before sending. Ns_ConnFlushDirect does not alter
the content in anyway, treating is as an arbitrary array of bytes. Ns_ConnFlush assumes the content is UTF-8 text, e.g., the result of an
ADP page execution. In this case, if the connection has an associated output encoding set with the Ns_ConnSetEncoding routine, it will be
used to encode the content in the requested character set (e.g., from UTF-8 to iso8859-1). In addition, if the server has gzip compression
enabled, the nszlib module is loaded, the connection has been marked for gzip compression with the Ns_ConnSetGzipFlag, and the size of the
output data is greater than the server configured minimun gzip compression size, the content will be compressed and an appropriate header
will be generated for the client. Gzip compression is not supported when content is streamed to the client.
The first call to Ns_ConnFlush or Ns_ConnFlushDirect for a connection, in stream or single response mode, will result in appropriate head-
ers being constructed and sent first before any user data. These headers include the basic headers constructed via Ns_ConnSetRequiredHead-
ers plus any additional application specific headers queued for output via Ns_ConnSetHeaders or Ns_ConnCondSetHeaders. The Ns_ConnFlush
routine may add additional headers as needed to specify chunked and/or gzip encoding.
EXAMPLE
The following example generates a simple text response:
Ns_ConnSetStatus(conn, 200);
Ns_ConnSetType(conn, "text/plain");
Ns_ConnFlush(conn, "Hello", 5, 0);
The following example demonstrates streaming:
Ns_ConnSetStatus(conn, 200);
Ns_ConnSetType(conn, "text/plain");
for (i = 0; i < 10; ++i) {
sprintf(buf, "stream: %d0, i);
Ns_ConnFlush(conn, buf, -1, 1);
}
Ns_ConnFlush(conn, "done!", 5, 0);
SEE ALSO
Ns_ConnSend(n), Ns_ConnClose(3), Ns_ConnSetRequiredHeaders(3), Ns_ConnQueueHeaders(3)
KEYWORDS
connection i/o, gzip, stream, encoding, flush
AOLserver 4.5 Ns_ConnFlush(3aolserver)