ref: 83246e296ea433b65b9d295b5e08fedd39ff1ab7
dir: /appl/svc/httpd/stats.b/
implement Stats;
include "sys.m";
sys : Sys;
include "bufio.m";
bufio: Bufio;
Iobuf: import bufio;
include "draw.m";
draw: Draw;
include "contents.m";
include "cache.m";
cache : Cache;
include "httpd.m";
Private_info: import Httpd;
include "date.m";
date : Date;
include "parser.m";
pars : Parser;
include "daytime.m";
daytime: Daytime;
Stats: module
{
init: fn(g : ref Private_info, req: Httpd->Request);
};
badmod(p: string)
{
sys->fprint(sys->fildes(2), "stats: cannot load %s: %r\n", p);
raise "fail:bad module";
}
init(k : ref Private_info, req: Httpd->Request)
{
sys = load Sys "$Sys";
draw = load Draw "$Draw";
daytime = load Daytime Daytime->PATH;
if(daytime == nil) badmod(Daytime->PATH);
pars = load Parser Parser->PATH;
if(pars == nil) badmod(Parser->PATH);
date = load Date Date->PATH;
if(date == nil) badmod(Date->PATH);
date->init();
bufio=k.bufio;
send(k, req.method, req.version, req.uri, req.search);
}
send(g: ref Private_info, meth, vers, uri, search : string)
{
if(meth=="");
if(uri=="");
if(search=="");
if(vers != ""){
if (g.version == nil)
sys->print("stats: version is unknown.\n");
g.bout.puts(sys->sprint("%s 200 OK\r\n", g.version));
g.bout.puts("Server: Charon\r\n");
g.bout.puts("MIME-version: 1.0\r\n");
g.bout.puts(sys->sprint("Date: %s\r\n", date->dateconv(daytime->now())));
g.bout.puts("Content-type: text/html\r\n");
g.bout.puts(sys->sprint("Expires: %s\r\n", date->dateconv(daytime->now())));
g.bout.puts("\r\n");
}
g.bout.puts("<head><title>Cache Information</title></head>\r\n");
g.bout.puts("<body><h1>Cache Information</h1>\r\n");
g.bout.puts("These are the pages stored in the server cache:<p>\r\n");
lis:=(g.cache)->dump();
while (lis!=nil){
(a,b,d):=hd lis;
g.bout.puts(sys->sprint("<a href=\"%s\"> %s</a> \t size %d \t tag %d.<p>\r\n",a,a,b,d));
lis = tl lis;
}
g.bout.flush();
}