| /* |
| Copyright (c) 2012-2013 Martin Sustrik All rights reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #ifndef NN_DNS_INCLUDED |
| #define NN_DNS_INCLUDED |
| |
| #include "../../aio/fsm.h" |
| |
| #include <stddef.h> |
| |
| /* Checks the hostname according to RFC 952 and RFC 1123. |
| Returns 0 in case the it is valid. */ |
| int nn_dns_check_hostname (const char *name, size_t namelen); |
| |
| /* Events generated by the DNS state machine. */ |
| #define NN_DNS_DONE 1 |
| #define NN_DNS_STOPPED 2 |
| |
| #if defined NN_HAVE_GETADDRINFO_A && !defined NN_DISABLE_GETADDRINFO_A |
| #include "dns_getaddrinfo_a.h" |
| #else |
| #include "dns_getaddrinfo.h" |
| #endif |
| |
| struct nn_dns_result { |
| int error; |
| struct sockaddr_storage addr; |
| size_t addrlen; |
| }; |
| |
| void nn_dns_init (struct nn_dns *self, int src, struct nn_fsm *owner); |
| void nn_dns_term (struct nn_dns *self); |
| |
| int nn_dns_isidle (struct nn_dns *self); |
| void nn_dns_start (struct nn_dns *self, const char *addr, size_t addrlen, |
| int ipv4only, struct nn_dns_result *result); |
| void nn_dns_stop (struct nn_dns *self); |
| |
| #endif |