diff options
Diffstat (limited to 'lib/asyn-ares.c')
| -rw-r--r-- | lib/asyn-ares.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/asyn-ares.c b/lib/asyn-ares.c index 19fe853..e73e41d 100644 --- a/lib/asyn-ares.c +++ b/lib/asyn-ares.c @@ -110,7 +110,7 @@ struct thread_data { }; /* How long we are willing to wait for additional parallel responses after - obtaining a "definitive" one. + obtaining a "definitive" one. For old c-ares without getaddrinfo. This is intended to equal the c-ares default timeout. cURL always uses that default value. Unfortunately, c-ares doesn't expose its default timeout in @@ -120,6 +120,8 @@ struct thread_data { */ #define HAPPY_EYEBALLS_DNS_TIMEOUT 5000 +#define CARES_TIMEOUT_PER_ATTEMPT 2000 + /* * Curl_resolver_global_init() - the generic low-level asynchronous name * resolve API. Called from curl_global_init() to initialize global resolver @@ -173,6 +175,9 @@ CURLcode Curl_resolver_init(struct Curl_easy *easy, void **resolver) int optmask = ARES_OPT_SOCK_STATE_CB; options.sock_state_cb = sock_state_cb; options.sock_state_cb_data = easy; + options.timeout = CARES_TIMEOUT_PER_ATTEMPT; + optmask |= ARES_OPT_TIMEOUTMS; + status = ares_init_options((ares_channel*)resolver, &options, optmask); if(status != ARES_SUCCESS) { if(status == ARES_ENOMEM) @@ -770,9 +775,14 @@ struct Curl_addrinfo *Curl_resolver_getaddrinfo(struct Curl_easy *data, int pf = PF_INET; memset(&hints, 0, sizeof(hints)); #ifdef CURLRES_IPV6 - if((data->conn->ip_version != CURL_IPRESOLVE_V4) && Curl_ipv6works(data)) + if((data->conn->ip_version != CURL_IPRESOLVE_V4) && + Curl_ipv6works(data)) { /* The stack seems to be IPv6-enabled */ - pf = PF_UNSPEC; + if(data->conn->ip_version == CURL_IPRESOLVE_V6) + pf = PF_INET6; + else + pf = PF_UNSPEC; + } #endif /* CURLRES_IPV6 */ hints.ai_family = pf; hints.ai_socktype = (data->conn->transport == TRNSPRT_TCP)? |