Has anyone had issues with ns_parseheader or _ns_http_gets. I have a
function that pulls an XML document from another server and it returns
httppost invalid header: HTTP/1.1 200 OK
Every now and then under load. I'm running aol33.
In looking at the C code it appears ns_parseheader is expecting an ns_set
and headers excluding the status line. The code is from acs and does
set http [util_httpopen POST $url "" $timeout $http_referer]
set rfd [lindex $http 0]
set wfd [lindex $http 1]
#headers necesary for a post and the form variables
_ns_http_puts $timeout $wfd "Content-type:
application/x-www-form-urlencoded \r"
_ns_http_puts $timeout $wfd "Content-length: [string length
$formvars]\r"
_ns_http_puts $timeout $wfd \r
_ns_http_puts $timeout $wfd "$formvars\r"
flush $wfd
close $wfd
set rpset [ns_set new [_ns_http_gets $timeout $rfd]]
while 1 {
set line [_ns_http_gets $timeout $rfd]
if ![string length $line] break
ns_parseheader $rpset $line
}
set headers $rpset
set response [ns_set name $headers]
set status [lindex $response 1]
So I guess what this does is create a set named by the status line???, then
for each header line call ns_parseheader. It appears the first _ns_http_gets
is not getting the status line from the response causing ns_parseheader to
blow up. I've verified this by adding
set n [_ns_http_gets $timeout $rfd]
ds_comment $n
ns_log ERROR "httppost %$n%"
if { $n == "" } {
set n [_ns_http_gets $timeout $rfd]
ds_comment $n
ns_log ERROR "httppost2 %$n%"
}
The strange this is _ns_http_gets should not return a empty string.
Barry Books
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