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A few more minor changes; minor code cleanup and improved error reporting

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of errors in thye recv call.
This commit is contained in:
Michael Sawyer 2000-08-02 14:38:51 +00:00
parent aabfa856aa
commit 5da4ef4cf4
1 changed files with 21 additions and 10 deletions
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31
bin/dig/dighost.c
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@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dighost.c,v 1.106 2000/08/01 01:11:15 tale Exp $ */
/* $Id: dighost.c,v 1.107 2000/08/02 14:38:51 mws Exp $ */
/*
* Notice to programmers: Do not use this code as an example of how to
@ -725,11 +725,11 @@ add_question(dns_message_t *message, dns_name_t *name,
static void
check_if_done(void) {
debug("check_if_done()");
debug("sockcount=%d, recvcount=%d, sendcount=%d, list %s",
sockcount, recvcount, sendcount,
ISC_LIST_EMPTY(lookup_list)?"empty":"full");
if ((sockcount == 0) && (recvcount == 0) && (sendcount == 0)
&& ISC_LIST_EMPTY(lookup_list)) {
debug("list %s", ISC_LIST_EMPTY(lookup_list)?"empty":"full");
if (ISC_LIST_EMPTY(lookup_list) && current_lookup == NULL) {
INSIST(sockcount == 0);
INSIST(recvcount == 0);
INSIST(sendcount == 0);
debug("shutting down");
dighost_shutdown();
}
@ -1493,6 +1493,8 @@ connect_timeout(isc_task_t *task, isc_event_t *event) {
}
}
else {
printf(";; connection timed out; no servers could be "
"reached\n");
cancel_lookup(lookup);
}
UNLOCK_LOOKUP;
@ -1535,13 +1537,13 @@ tcp_length_done(isc_task_t *task, isc_event_t *event) {
return;
}
if (sevent->result != ISC_R_SUCCESS) {
debug("buffer allocate connect_timeout");
result = isc_buffer_allocate(mctx, &b, 256);
check_result(result, "isc_buffer_allocate");
result = isc_sockaddr_totext(&query->sockaddr, b);
check_result(result, "isc_sockaddr_totext");
isc_buffer_usedregion(b, &r);
printf("%.*s: %s\n", (int)r.length, r.base,
printf(";; communications error to %.*s: %s\n",
(int)r.length, r.base,
isc_result_totext(sevent->result));
isc_buffer_free(&b);
l = query->lookup;
@ -2166,8 +2168,17 @@ recv_done(isc_task_t *task, isc_event_t *event) {
UNLOCK_LOOKUP;
return;
}
fatal("recv_done got result %s",
isc_result_totext(sevent->result));
printf(";; communications error: %s\n",
isc_result_totext(sevent->result));
isc_socket_detach(&query->sock);
sockcount--;
debug("sockcount=%d",sockcount);
INSIST(sockcount >= 0);
isc_event_free(&event);
clear_query(query);
check_next_lookup(l);
UNLOCK_LOOKUP;
return;
}
/*