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| author |   Dave Barach <dave@barachs.net> | 2017-10-20 09:21:35 -0400 |
|---|---|---|
| committer | Dave Barach <dave@barachs.net> | 2017-10-20 09:34:11 -0400 |
| commit | d2080159c4287f3c1d491fa60da2cb6e9ab47b55 (patch) | |
| tree | 4923b4ba67507f4628084a5a8e459a19c675ea15 /src/vnet/dns/resolver_process.c | |
| parent | 3491d7f1d05ee5e05ebf0f6129d54c5ca85e22cf (diff) | |
Add reverse DNS (ip to name) resolution
Change-Id: Ic531d820b1846ff7363e5c396ac0b1176e87b401
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/dns/resolver_process.c')
| -rw-r--r-- | src/vnet/dns/resolver_process.c | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/src/vnet/dns/resolver_process.c b/src/vnet/dns/resolver_process.c index 5603371db52..f473422112f 100644 --- a/src/vnet/dns/resolver_process.c +++ b/src/vnet/dns/resolver_process.c @@ -44,6 +44,10 @@ extern int vnet_dns_response_to_reply (u8 * response, vl_api_dns_resolve_name_reply_t * rmp, u32 * min_ttlp); +extern int +vnet_dns_response_to_name (u8 * response, + vl_api_dns_resolve_ip_reply_t * rmp, + u32 * min_ttlp); static void resolve_event (dns_main_t * dm, f64 now, u8 * reply) @@ -95,29 +99,47 @@ resolve_event (dns_main_t * dm, f64 now, u8 * reply) ep->flags |= DNS_CACHE_ENTRY_FLAG_VALID; /* Most likely, send 1 message */ - for (i = 0; i < vec_len (ep->api_clients_to_notify); i++) + for (i = 0; i < vec_len (ep->pending_api_requests); i++) { vl_api_registration_t *regp; - vl_api_dns_resolve_name_reply_t *rmp; regp = vl_api_client_index_to_registration - (ep->api_clients_to_notify[i]); + (ep->pending_api_requests[i].client_index); if (regp == 0) continue; - rmp = vl_msg_api_alloc (sizeof (*rmp) + vec_len (ep->dns_response)); - rmp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DNS_RESOLVE_NAME_REPLY); - rmp->context = ep->api_client_contexts[i]; - min_ttl = ~0; - rv = vnet_dns_response_to_reply (ep->dns_response, rmp, &min_ttl); - if (min_ttl != ~0) - ep->expiration_time = now + min_ttl; - rmp->retval = clib_host_to_net_u32 (rv); - vl_msg_api_send (regp, (u8 *) rmp); + if (ep->pending_api_requests[i].request_type + == DNS_API_PENDING_NAME_TO_IP) + { + vl_api_dns_resolve_name_reply_t *rmp; + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = + clib_host_to_net_u16 (VL_API_DNS_RESOLVE_NAME_REPLY); + rmp->context = ep->pending_api_requests[i].client_context; + min_ttl = ~0; + rv = vnet_dns_response_to_reply (ep->dns_response, rmp, &min_ttl); + if (min_ttl != ~0) + ep->expiration_time = now + min_ttl; + rmp->retval = clib_host_to_net_u32 (rv); + vl_msg_api_send (regp, (u8 *) rmp); + } + else + { + vl_api_dns_resolve_ip_reply_t *rmp; + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = + clib_host_to_net_u16 (VL_API_DNS_RESOLVE_IP_REPLY); + rmp->context = ep->pending_api_requests[i].client_context; + min_ttl = ~0; + rv = vnet_dns_response_to_name (ep->dns_response, rmp, &min_ttl); + if (min_ttl != ~0) + ep->expiration_time = now + min_ttl; + rmp->retval = clib_host_to_net_u32 (rv); + vl_msg_api_send (regp, (u8 *) rmp); + } } - vec_free (ep->api_clients_to_notify); - vec_free (ep->api_client_contexts); + vec_free (ep->pending_api_requests); /* $$$ Add ip4/ip6 reply code */ vec_free (ep->ip4_peers_to_notify); |