diff options
Diffstat (limited to 'contrib/unbound/services/listen_dnsport.h')
| -rw-r--r-- | contrib/unbound/services/listen_dnsport.h | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/contrib/unbound/services/listen_dnsport.h b/contrib/unbound/services/listen_dnsport.h index 4d37aca5eee4..61fb9a0b44e8 100644 --- a/contrib/unbound/services/listen_dnsport.h +++ b/contrib/unbound/services/listen_dnsport.h @@ -21,16 +21,16 @@ * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @@ -46,6 +46,7 @@ struct listen_list; struct config_file; struct addrinfo; +struct sldns_buffer; /** * Listening for queries structure. @@ -57,7 +58,7 @@ struct listen_dnsport { /** buffer shared by UDP connections, since there is only one datagram at any time. */ - ldns_buffer* udp_buff; + struct sldns_buffer* udp_buff; /** list of comm points used to get incoming events */ struct listen_list* cps; @@ -106,9 +107,13 @@ struct listen_port { * interfaces for IP4 and/or IP6, for UDP and/or TCP. * On the given port number. It creates the sockets. * @param cfg: settings on what ports to open. + * @param reuseport: set to true if you want reuseport, or NULL to not have it, + * set to false on exit if reuseport failed to apply (because of no + * kernel support). * @return: linked list of ports or NULL on error. */ -struct listen_port* listening_ports_open(struct config_file* cfg); +struct listen_port* listening_ports_open(struct config_file* cfg, + int* reuseport); /** * Close and delete the (list of) listening ports. @@ -178,19 +183,26 @@ void listen_start_accept(struct listen_dnsport* listen); IPv6 proto (family) is not available. * @param rcv: set size on rcvbuf with socket option, if 0 it is not set. * @param snd: set size on sndbuf with socket option, if 0 it is not set. + * @param listen: if true, this is a listening UDP port, eg port 53, and + * set SO_REUSEADDR on it. + * @param reuseport: if nonNULL and true, try to set SO_REUSEPORT on + * listening UDP port. Set to false on return if it failed to do so. * @return: the socket. -1 on error. */ int create_udp_sock(int family, int socktype, struct sockaddr* addr, socklen_t addrlen, int v6only, int* inuse, int* noproto, int rcv, - int snd); + int snd, int listen, int* reuseport); /** * Create and bind TCP listening socket * @param addr: address info ready to make socket. * @param v6only: enable ip6 only flag on ip6 sockets. * @param noproto: if error caused by lack of protocol support. + * @param reuseport: if nonNULL and true, try to set SO_REUSEPORT on + * listening UDP port. Set to false on return if it failed to do so. * @return: the socket. -1 on error. */ -int create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto); +int create_tcp_accept_sock(struct addrinfo *addr, int v6only, int* noproto, + int* reuseport); #endif /* LISTEN_DNSPORT_H */ |