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/* $OpenBSD: util.c,v 1.1 2015/11/21 12:37:42 reyk Exp $ */
/*
* Copyright (c) 2006 - 2015 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <netdb.h>
#include <ctype.h>
#include "relayd.h"
const char *
host_error(enum host_error he)
{
switch (he) {
case HCE_NONE:
return ("none");
break;
case HCE_ABORT:
return ("aborted");
break;
case HCE_INTERVAL_TIMEOUT:
return ("interval timeout");
break;
case HCE_ICMP_OK:
return ("icmp ok");
break;
case HCE_ICMP_READ_TIMEOUT:
return ("icmp read timeout");
break;
case HCE_ICMP_WRITE_TIMEOUT:
return ("icmp write timeout");
break;
case HCE_TCP_SOCKET_ERROR:
return ("tcp socket error");
break;
case HCE_TCP_SOCKET_LIMIT:
return ("tcp socket limit");
break;
case HCE_TCP_SOCKET_OPTION:
return ("tcp socket option");
break;
case HCE_TCP_CONNECT_FAIL:
return ("tcp connect failed");
break;
case HCE_TCP_CONNECT_TIMEOUT:
return ("tcp connect timeout");
break;
case HCE_TCP_CONNECT_OK:
return ("tcp connect ok");
break;
case HCE_TCP_WRITE_TIMEOUT:
return ("tcp write timeout");
break;
case HCE_TCP_WRITE_FAIL:
return ("tcp write failed");
break;
case HCE_TCP_READ_TIMEOUT:
return ("tcp read timeout");
break;
case HCE_TCP_READ_FAIL:
return ("tcp read failed");
break;
case HCE_SCRIPT_OK:
return ("script ok");
break;
case HCE_SCRIPT_FAIL:
return ("script failed");
break;
case HCE_TLS_CONNECT_OK:
return ("tls connect ok");
break;
case HCE_TLS_CONNECT_FAIL:
return ("tls connect failed");
break;
case HCE_TLS_CONNECT_TIMEOUT:
return ("tls connect timeout");
break;
case HCE_TLS_CONNECT_ERROR:
return ("tls connect error");
break;
case HCE_TLS_READ_TIMEOUT:
return ("tls read timeout");
break;
case HCE_TLS_WRITE_TIMEOUT:
return ("tls write timeout");
break;
case HCE_TLS_READ_ERROR:
return ("tls read error");
break;
case HCE_TLS_WRITE_ERROR:
return ("tls write error");
break;
case HCE_SEND_EXPECT_FAIL:
return ("send/expect failed");
break;
case HCE_SEND_EXPECT_OK:
return ("send/expect ok");
break;
case HCE_HTTP_CODE_ERROR:
return ("http code malformed");
break;
case HCE_HTTP_CODE_FAIL:
return ("http code mismatch");
break;
case HCE_HTTP_CODE_OK:
return ("http code ok");
break;
case HCE_HTTP_DIGEST_ERROR:
return ("http digest malformed");
break;
case HCE_HTTP_DIGEST_FAIL:
return ("http digest mismatch");
break;
case HCE_HTTP_DIGEST_OK:
return ("http digest ok");
break;
}
/* NOTREACHED */
return ("invalid");
}
const char *
host_status(enum host_status status)
{
switch (status) {
case HOST_DOWN:
return ("down");
case HOST_UNKNOWN:
return ("unknown");
case HOST_UP:
return ("up");
};
/* NOTREACHED */
return ("invalid");
}
const char *
table_check(enum table_check check)
{
switch (check) {
case CHECK_NOCHECK:
return ("none");
case CHECK_ICMP:
return ("icmp");
case CHECK_TCP:
return ("tcp");
case CHECK_HTTP_CODE:
return ("http code");
case CHECK_HTTP_DIGEST:
return ("http digest");
case CHECK_SEND_EXPECT:
return ("send expect");
case CHECK_SCRIPT:
return ("script");
};
/* NOTREACHED */
return ("invalid");
}
const char *
print_availability(u_long cnt, u_long up)
{
static char buf[BUFSIZ];
if (cnt == 0)
return ("");
bzero(buf, sizeof(buf));
snprintf(buf, sizeof(buf), "%.2f%%", (double)up / cnt * 100);
return (buf);
}
const char *
print_host(struct sockaddr_storage *ss, char *buf, size_t len)
{
if (getnameinfo((struct sockaddr *)ss, ss->ss_len,
buf, len, NULL, 0, NI_NUMERICHOST) != 0) {
buf[0] = '\0';
return (NULL);
}
return (buf);
}
const char *
print_time(struct timeval *a, struct timeval *b, char *buf, size_t len)
{
struct timeval tv;
u_long h, sec, min;
timerclear(&tv);
timersub(a, b, &tv);
sec = tv.tv_sec % 60;
min = tv.tv_sec / 60 % 60;
h = tv.tv_sec / 60 / 60;
snprintf(buf, len, "%.2lu:%.2lu:%.2lu", h, min, sec);
return (buf);
}
const char *
printb_flags(const u_int32_t v, const char *bits)
{
static char buf[2][BUFSIZ];
static int idx = 0;
int i, any = 0;
char c, *p, *r;
p = r = buf[++idx % 2];
bzero(p, BUFSIZ);
if (bits) {
bits++;
while ((i = *bits++)) {
if (v & (1 << (i - 1))) {
if (any) {
*p++ = ',';
*p++ = ' ';
}
any = 1;
for (; (c = *bits) > 32; bits++) {
if (c == '_')
*p++ = ' ';
else
*p++ = tolower((u_char)c);
}
} else
for (; *bits > 32; bits++)
;
}
}
return (r);
}
void
getmonotime(struct timeval *tv)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
fatal("clock_gettime");
TIMESPEC_TO_TIMEVAL(tv, &ts);
}
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