daxi20/smartdns
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dns-debug: support record fail packet for debugging

Browse Source
This commit is contained in:
Nick Peng
2022-07-31 15:49:10 +08:00
parent ab415f2ee9
commit ac042e8bee
10 changed files with 363 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/dns_server.c
View File

@@ -557,8 +557,8 @@ static void _dns_server_audit_log(struct dns_server_post_context *context)
tm.min, tm.sec, tm.usec / 1000);
tlog_printf(dns_audit, "%s %s query %s, type %d, time %lums, speed: %.1fms, result %s\n", req_time, req_host,
request->domain, request->qtype, get_tick_count() - request->send_tick, ((float)request->ping_time) / 10,
req_result);
request->domain, request->qtype, get_tick_count() - request->send_tick,
((float)request->ping_time) / 10, req_result);
}
static void _dns_rrs_result_log(struct dns_server_post_context *context, struct dns_ip_address *addr_map)
@@ -3533,6 +3533,7 @@ static int _dns_server_process_cache_packet(struct dns_request *request, struct
request->ping_time = dns_cache->info.speed;
if (dns_decode(context.packet, context.packet_maxlen, cache_packet->data, cache_packet->head.size) != 0) {
tlog(TLOG_ERROR, "decode cache failed, %d, %d", context.packet_maxlen, context.inpacket_len);
return -1;
}
@@ -4159,6 +4160,9 @@ static int _dns_server_recv(struct dns_server_conn_head *conn, unsigned char *in
if (decode_len < 0) {
tlog(TLOG_DEBUG, "decode failed.\n");
ret = RECV_ERROR_INVALID_PACKET;
if (dns_save_fail_packet) {
dns_packet_save(dns_save_fail_packet_dir, "server", name, inpacket, inpacket_len);
}
goto errout;
}