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/* $OpenBSD: logmsg.c,v 1.1 2016/09/02 16:22:31 benno Exp $ */
/*
* Copyright (c) 2009 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2003, 2004 Henning Brauer <henning@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 <arpa/inet.h>
#include <endian.h>
#include <event.h>
#include <scsi/iscsi.h>
#include <stdio.h>
#include <string.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/types.h>
#include "iscsid.h"
#include "log.h"
extern int debug;
extern int verbose;
void
log_hexdump(void *buf, size_t len)
{
u_char b[16];
size_t i, j, l;
if (!debug)
return;
for (i = 0; i < len; i += l) {
fprintf(stderr, "%4zi:", i);
l = sizeof(b) < len - i ? sizeof(b) : len - i;
memcpy(b, (char *)buf + i, l);
for (j = 0; j < sizeof(b); j++) {
if (j % 2 == 0)
fprintf(stderr, " ");
if (j % 8 == 0)
fprintf(stderr, " ");
if (j < l)
fprintf(stderr, "%02x", (int)b[j]);
else
fprintf(stderr, " ");
}
fprintf(stderr, " |");
for (j = 0; j < l; j++) {
if (b[j] >= 0x20 && b[j] <= 0x7e)
fprintf(stderr, "%c", b[j]);
else
fprintf(stderr, ".");
}
fprintf(stderr, "|\n");
}
}
void
log_pdu(struct pdu *p, int all)
{
struct iscsi_pdu *pdu;
void *b;
size_t s;
if (!debug)
return;
if (!(pdu = pdu_getbuf(p, NULL, PDU_HEADER))) {
log_debug("empty pdu");
return;
}
fprintf(stderr, "PDU: op %x%s flags %02x%02x%02x ahs %d len %d\n",
ISCSI_PDU_OPCODE(pdu->opcode), ISCSI_PDU_I(pdu) ? " I" : "",
pdu->flags, pdu->_reserved1[0], pdu->_reserved1[1],
pdu->ahslen, pdu->datalen[0] << 16 | pdu->datalen[1] << 8 |
pdu->datalen[2]);
fprintf(stderr, " lun %02x%02x%02x%02x%02x%02x%02x%02x itt %u "
"cmdsn %u expstatsn %u\n", pdu->lun[0], pdu->lun[1], pdu->lun[2],
pdu->lun[3], pdu->lun[4], pdu->lun[5], pdu->lun[6], pdu->lun[7],
ntohl(pdu->itt), ntohl(pdu->cmdsn), ntohl(pdu->expstatsn));
log_hexdump(pdu, sizeof(*pdu));
if (all && (b = pdu_getbuf(p, &s, PDU_DATA)))
log_hexdump(b, s);
}
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