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);
}
void
conn_pdu_write(struct connection *c, struct pdu *p)
{
struct iscsi_pdu *ipdu;
/* XXX I GUESS THIS SHOULD BE MOVED TO PDU SOMEHOW... */
ipdu = pdu_getbuf(p, NULL, PDU_HEADER);
switch (ISCSI_PDU_OPCODE(ipdu->opcode)) {
case ISCSI_OP_I_NOP:
case ISCSI_OP_SCSI_REQUEST:
case ISCSI_OP_TASK_REQUEST:
case ISCSI_OP_LOGIN_REQUEST:
case ISCSI_OP_TEXT_REQUEST:
case ISCSI_OP_DATA_OUT:
case ISCSI_OP_LOGOUT_REQUEST:
case ISCSI_OP_SNACK_REQUEST:
ipdu->expstatsn = ntohl(c->expstatsn);
break;
}
TAILQ_INSERT_TAIL(&c->pdu_w, p, entry);
event_add(&c->wev, NULL);
}
