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/*
* verify.h
*
* Copyright (c) 2020, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*/
#ifndef _VERIFY_H_
#define _VERIFY_H_
#ifndef USE_MINI_EVENT
# ifdef HAVE_EVENT_H
# include <event.h>
# else
# include <event2/event.h>
# include "event2/event_struct.h"
# include "event2/event_compat.h"
# endif
#else
# include "mini_event.h"
#endif
/*
* Track position in zone to feed verifier more data as the input descriptor
* becomes available.
*/
struct verifier_zone_feed {
FILE *fh;
struct event event;
zone_rr_iter_type rriter;
struct state_pretty_rr *rrprinter;
struct region *region;
struct buffer *buffer;
};
/* 40 is (estimated) space already used on each logline.
* (time, pid, priority, etc)
*/
#define LOGLINELEN (MAXSYSLOGMSGLEN-40)
#define LOGBUFSIZE (LOGLINELEN * 2)
/*
* STDOUT and STDERR are logged per line. Lines that exceed LOGLINELEN, are
* split over multiple entries. Line breaks are indicated with "..." in the log
* before and after the break.
*/
struct verifier_stream {
int fd;
struct event event;
int priority;
int cut;
char buf[LOGBUFSIZE+1];
size_t cnt;
size_t off;
};
struct verifier {
struct nsd *nsd;
struct zone *zone;
pid_t pid;
int was_ok;
struct timeval timeout;
struct event timeout_event;
struct verifier_zone_feed zone_feed;
struct verifier_stream output_stream;
struct verifier_stream error_stream;
};
struct zone *verify_next_zone(struct nsd *nsd, struct zone *zone);
void verify_zone(struct nsd *nsd, struct zone *zone);
void verify_handle_signal(int sig, short event, void *arg);
void verify_handle_exit(int fd, short event, void *arg);
void verify_handle_command(int fd, short event, void *arg);
#endif /* _VERIFY_H_ */
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