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Try to log useful messages at info and debug about what we are resolving and what answers we are getting wrt eventdns.

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svn:r6547
This commit is contained in:
Nick Mathewson 2006-06-05 23:01:22 +00:00
parent 542b8af592
commit 2bd7c19b73
1 changed files with 11 additions and 2 deletions
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13
src/or/dns.c
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@ -1084,9 +1084,15 @@ eventdns_callback(int result, char type, int count, int ttl, void *addresses,
uint32_t addr = 0;
if (result == DNS_ERR_NONE) {
if (type == DNS_IPv4_A && count) {
char answer_buf[INET_NTOA_BUF_LEN+1];
struct in_addr in;
uint32_t *addrs = addresses;
in.s_addr = addrs[0];
addr = ntohl(addrs[0]);
status = DNS_RESOLVE_SUCCEEDED;
tor_inet_ntoa(&in, answer_buf, sizeof(answer_buf));
log_debug(LD_EXIT, "eventdns said that %s resolves to %s",
escaped_safe_str(string_address), escaped_safe_str(answer_buf));
} else if (count) {
log_warn(LD_EXIT, "eventdns returned only non-IPv4 answers for %s.",
escaped_safe_str(string_address));
@ -1106,8 +1112,11 @@ static int
assign_to_dnsworker(connection_t *exitconn)
{
char *addr = tor_strdup(exitconn->address);
int r = eventdns_resolve(exitconn->address, DNS_QUERY_NO_SEARCH,
eventdns_callback, addr);
int r;
log_info(LD_EXIT, "Launching eventdns request for %s",
escaped_safe_str(exitconn->address));
r = eventdns_resolve(exitconn->address, DNS_QUERY_NO_SEARCH,
eventdns_callback, addr);
if (r) {
log_warn(LD_EXIT, "eventdns rejected address %s: error %d.",
escaped_safe_str(addr), r);