Hi everybody,
My system have very specific needs to upload really large files sometimes.
My upload limit is actually 400MB, but I've received a request to raise this
value to 2GB.
I'm using AOLServer 4.5.1 and I know this is based on ns_limits command. So,
I used the following piece of code to raise the upload size:
set max_file_upload_mb 2500
set size [expr $max_file_upload_mb * 1024 * 1024]
ns_limits set default -maxupload $size
However, the response was completely unexpected:
nrunning 3 nwaiting 0 ntimeout 0 ndropped 0 noverflow 0 maxwait 100
maxupload -1673527296 timeout 60 maxrun 100
*maxupload* had a negative size! I started digging up in C source code from
AOLServer, and I guess I've found the problem. In the file nsd/limits.c we
have the following piece of code:
int i, val;
static CONST char *opts[] = {
"get", "set", "list", "register", NULL
};
enum {
LGetIdx, LSetIdx, LListIdx, LRegisterIdx
} opt;
static CONST char *cfgs[] = {
"-maxrun", "-maxwait", "-maxupload", "-timeout", NULL
};
(...)
switch (cfg) {
case LCUploadIdx:
limitsPtr->maxupload = val;
break;
}
}
It seems like *maxupload* receives the value from *val*, wich is an int var.
If I'm not wrong, the maximum value for C int vars is 2,147,483,647, and I
was trying to setup this value to 2,621,440,000, wich seems to be causing an
overflow.
Considering all this, if I just change the line below everything should
work, right?
int i, val;
I could just use:
int i;
bigint val;
Did I say something wrong or this line of thinking make any sense?
--
Eduardo Santos
Analista de Sistemas
http://eduardosan.wordpress.com
http://twitter.com/eduardosan
--
AOLserver - http://www.aolserver.com/
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