| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed 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 "starboard/socket.h" |
| |
| #include <errno.h> |
| #include <netdb.h> |
| #include <sys/socket.h> |
| |
| #include "starboard/log.h" |
| #include "starboard/shared/posix/socket_internal.h" |
| |
| namespace sbposix = starboard::shared::posix; |
| |
| SbSocketResolution* SbSocketResolve(const char* hostname, int filters) { |
| struct addrinfo* ai = NULL; |
| struct addrinfo hints = {0}; |
| |
| if (filters & kSbSocketResolveFilterIpv4) { |
| if (filters & kSbSocketResolveFilterIpv6) { |
| hints.ai_family = AF_UNSPEC; |
| } else { |
| hints.ai_family = AF_INET; |
| } |
| } else if (filters & kSbSocketResolveFilterIpv6) { |
| hints.ai_family = AF_INET6; |
| } else { |
| hints.ai_family = AF_UNSPEC; |
| } |
| |
| hints.ai_flags = AI_ADDRCONFIG; |
| hints.ai_socktype = SOCK_STREAM; |
| |
| // Actually make the call to get the data. |
| int err = getaddrinfo(hostname, NULL, &hints, &ai); |
| if (err != 0 || ai == NULL) { |
| return NULL; |
| } |
| |
| int address_count = 0; |
| for (const struct addrinfo* i = ai; i != NULL; i = i->ai_next) { |
| ++address_count; |
| } |
| |
| SbSocketResolution* result = new SbSocketResolution(); |
| |
| // Translate all the sockaddrs. |
| sbposix::SockAddr* sock_addrs = new sbposix::SockAddr[address_count]; |
| bool* parsed = new bool[address_count]; |
| int index = 0; |
| int skip = 0; |
| for (const struct addrinfo *i = ai; i != NULL; i = i->ai_next, ++index) { |
| // Skip over any addresses we can't parse. |
| parsed[index] = sock_addrs[index].FromSockaddr(i->ai_addr); |
| if (!parsed[index]) { |
| ++skip; |
| } |
| } |
| |
| result->address_count = address_count - skip; |
| result->addresses = new SbSocketAddress[result->address_count]; |
| |
| int result_index = 0; |
| for (int i = 0; i < address_count; ++i) { |
| if (parsed[i] && |
| sock_addrs[i].ToSbSocketAddress(&result->addresses[result_index])) { |
| ++result_index; |
| } |
| } |
| |
| delete[] parsed; |
| delete[] sock_addrs; |
| freeaddrinfo(ai); |
| return result; |
| } |