diff options
Diffstat (limited to 'src/or/eventdns.c')
| -rw-r--r-- | src/or/eventdns.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/or/eventdns.c b/src/or/eventdns.c index c0d974e0bc..8ed486214c 100644 --- a/src/or/eventdns.c +++ b/src/or/eventdns.c @@ -785,8 +785,9 @@ reply_handle(struct request *const req, // we regard these errors as marking a bad nameserver if (req->reissue_count < global_max_reissues) { char msg[64]; - snprintf(msg, sizeof(msg), "Bad response %d", - error); + + snprintf(msg, sizeof(msg), "Bad response %d (%s)", + error, evdns_err_to_string(error)); nameserver_failed(req->ns, msg); if (!request_reissue(req)) return; } @@ -2292,6 +2293,7 @@ main(int c, char **v) { event_dispatch(); return 0; } +#endif int evdns_init(void) @@ -2306,7 +2308,24 @@ evdns_init(void) return (res); } -#endif +const char * +evdns_err_to_string(int err) +{ + switch (err) { + case DNS_ERR_NONE: return "no error"; + case DNS_ERR_FORMAT: return "misformatted query"; + case DNS_ERR_SERVERFAILED: return "server failed"; + case DNS_ERR_NOTEXIST: return "name does not exist"; + case DNS_ERR_NOTIMPL: return "query not implemented"; + case DNS_ERR_REFUSED: return "refused"; + + case DNS_ERR_TRUNCATED: return "reply truncated or ill-formed"; + case DNS_ERR_UNKNOWN: return "unknown"; + case DNS_ERR_TIMEOUT: return "request timed out"; + case DNS_ERR_SHUTDOWN: return "dns subsystem shut down"; + default: return "[Unknown error code]"; + } +} void evdns_shutdown(int fail_requests) |