| #ifndef PROACTOR_NETADDR_INTERNAL_H |
| #define PROACTOR_NETADDR_INTERNAL_H |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <proton/netaddr.h> |
| |
| /* Common code for proactors that use the POSIX/Winsock sockaddr library for socket addresses. */ |
| |
| struct pn_netaddr_t { |
| struct sockaddr_storage ss; |
| pn_netaddr_t *next; |
| }; |
| |
| const struct sockaddr *pn_netaddr_sockaddr(const pn_netaddr_t *na) { |
| return na ? (struct sockaddr*)&na->ss : NULL; |
| } |
| |
| size_t pn_netaddr_socklen(const pn_netaddr_t *na) { |
| if (!na) return 0; |
| switch (na->ss.ss_family) { |
| case AF_INET: return sizeof(struct sockaddr_in); |
| case AF_INET6: return sizeof(struct sockaddr_in6); |
| default: return sizeof(na->ss); |
| } |
| } |
| |
| const pn_netaddr_t *pn_netaddr_next(const pn_netaddr_t *na) { |
| return na ? na->next : NULL; |
| } |
| |
| #ifndef NI_MAXHOST |
| # define NI_MAXHOST 1025 |
| #endif |
| |
| #ifndef NI_MAXSERV |
| # define NI_MAXSERV 32 |
| #endif |
| |
| int pn_netaddr_host_port(const pn_netaddr_t* na, char *host, size_t hlen, char *port, size_t plen) { |
| return getnameinfo(pn_netaddr_sockaddr(na), pn_netaddr_socklen(na), |
| host, hlen, port, plen, NI_NUMERICHOST | NI_NUMERICSERV); |
| } |
| |
| int pn_netaddr_str(const pn_netaddr_t* na, char *buf, size_t len) { |
| char host[NI_MAXHOST]; |
| char port[NI_MAXSERV]; |
| int err = pn_netaddr_host_port(na, host, sizeof(host), port, sizeof(port)); |
| if (!err) { |
| return pn_proactor_addr(buf, len, host, port); |
| } else { |
| if (buf) *buf = '\0'; |
| return 0; |
| } |
| } |
| |
| /* Return port or -1 if sa is not a known address type */ |
| static int get_port(const struct sockaddr *sa) { |
| switch (sa->sa_family) { |
| case AF_INET: return ((struct sockaddr_in*)sa)->sin_port; |
| case AF_INET6: return ((struct sockaddr_in6*)sa)->sin6_port; |
| default: return -1; |
| } |
| } |
| |
| /* Set the port in sa or do nothing if it is not a known address type */ |
| static void set_port(struct sockaddr *sa, uint16_t port) { |
| switch (sa->sa_family) { |
| case AF_INET: ((struct sockaddr_in*)sa)->sin_port = port; break; |
| case AF_INET6: ((struct sockaddr_in6*)sa)->sin6_port = port; break; |
| default: break; |
| } |
| } |
| |
| /* If want has port=0 and got has port > 0 then return port of got, else return 0 */ |
| static uint16_t check_dynamic_port(const struct sockaddr *want, const struct sockaddr *got) { |
| if (get_port(want) == 0) { |
| int port = get_port(got); |
| if (port > 0) return (uint16_t)port; |
| } |
| return 0; |
| } |
| |
| #endif /*!PROACTOR_NETADDR_INTERNAL_H*/ |