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- #include <u.h>
- #include <libc.h>
- #include "httpd.h"
- #include "httpsrv.h"
- int logall[3]; /* logall[2] is in "Common Log Format" */
- static char *
- monname[12] =
- {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- };
- void
- logit(HConnect *c, char *fmt, ...)
- {
- char buf[4096];
- va_list arg;
- HSPriv *p;
- va_start(arg, fmt);
- vseprint(buf, buf+sizeof(buf), fmt, arg);
- va_end(arg);
- p = nil;
- if(c != nil)
- p = c->private;
- if(p != nil && p->remotesys != nil)
- syslog(0, HTTPLOG, "%s %s", p->remotesys, buf);
- else
- syslog(0, HTTPLOG, "%s", buf);
- }
- void
- writelog(HConnect *c, char *fmt, ...)
- {
- HSPriv *p;
- char buf[HBufSize+500], *bufp, *bufe;
- char statuscode[4];
- vlong objectsize;
- ulong now, today;
- int logfd;
- va_list arg;
- Tm *tm;
- if(c == nil)
- return;
- p = c->private;
- bufe = buf + sizeof(buf);
- now = time(nil);
- tm = gmtime(now);
- today = now / (24*60*60);
- /* verbose logfile, for research on web traffic */
- logfd = logall[today & 1];
- if(logfd > 0){
- if(c->hstop == c->header || c->hstop[-1] != '\n')
- *c->hstop = '\n';
- *c->hstop = '\0';
- bufp = seprint(buf, bufe, "==========\n");
- bufp = seprint(bufp, bufe, "LogTime: %D\n", now);
- bufp = seprint(bufp, bufe, "ConnTime: %D\n", c->reqtime);
- bufp = seprint(bufp, bufe, "RemoteIP: %s\n", p->remotesys);
- bufp = seprint(bufp, bufe, "Port: %s\n", p->remoteserv);
- va_start(arg, fmt);
- bufp = vseprint(bufp, bufe, fmt, arg);
- va_end(arg);
- if(c->req.uri != nil && c->req.uri[0] != 0)
- bufp = seprint(bufp, bufe, "FinalURI: %s\n", c->req.uri);
- bufp = seprint(bufp, bufe, "----------\n%s\n", (char*)c->header);
- write(logfd, buf, bufp-buf); /* append-only file */
- }
- /* another log, with less information but formatted for common analysis tools */
- if(logall[2] > 0 && strncmp(fmt, "Reply: ", 7) == 0){
- objectsize = 0;
- strecpy(statuscode, statuscode+4, fmt+7);
- if( fmt[7] == '%'){
- va_start(arg, fmt);
- vseprint(statuscode, statuscode+4, fmt+7, arg);
- va_end(arg);
- }else if(
- strcmp(fmt+7, "200 file %lld %lld\n") == 0 ||
- strcmp(fmt+7, "206 partial content %lld %lld\n") == 0 ||
- strcmp(fmt+7, "206 partial content, early termination %lld %lld\n") == 0){
- va_start(arg, fmt);
- objectsize = va_arg(arg, vlong); /* length in sendfd.c */
- objectsize = va_arg(arg, vlong); /* wrote in sendfd.c */
- va_end(arg);
- }
- bufp = seprint(buf, bufe, "%s - -", p->remotesys);
- bufp = seprint(bufp, bufe, " [%.2d/%s/%d:%.2d:%.2d:%.2d +0000]", tm->mday, monname[tm->mon], tm->year+1900, tm->hour, tm->min, tm->sec);
- if(c->req.uri == nil || c->req.uri[0] == 0){
- bufp = seprint(bufp, bufe, " \"%.*s\"",
- (int)utfnlen((char*)c->header, strcspn((char*)c->header, "\r\n")),
- (char*)c->header);
- }else{
- /* use more canonical form of URI, if available */
- bufp = seprint(bufp, bufe, " \"%s %s HTTP/%d.%d\"", c->req.meth, c->req.uri, c->req.vermaj, c->req.vermin);
- }
- bufp = seprint(bufp, bufe, " %s %lld\n", statuscode, objectsize);
- write(logall[2], buf, bufp-buf); /* append-only file */
- }
- }
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