1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "jni.h" 18 #include <sys/socket.h> 19 20 // Convert from sockaddr_storage to Inet4Address (AF_INET), Inet6Address (AF_INET6), or 21 // InetUnixAddress (AF_UNIX). If 'port' is non-NULL and the address family includes a notion 22 // of port number, *port will be set to the port number. 23 jobject sockaddrToInetAddress(JNIEnv* env, const sockaddr_storage& ss, int* port); 24 25 // Convert from InetAddress to sockaddr_storage. An InetUnixAddress will be converted to 26 // an AF_UNIX sockaddr_un. An Inet6Address will be converted to an AF_INET6 sockaddr_in6. 27 // An Inet4Address will be converted to an IPv4-mapped AF_INET6 sockaddr_in6. This is what 28 // you want if you're about to perform an operation on a socket, since all our sockets 29 // are AF_INET6. 30 bool inetAddressToSockaddr(JNIEnv* env, jobject inetAddress, int port, 31 sockaddr_storage& ss, socklen_t& sa_len); 32 33 // Convert from InetAddress to sockaddr_storage. An InetUnixAddress will be converted to 34 // an AF_UNIX sockaddr_un. An Inet6Address will be converted to an AF_INET6 sockaddr_in6. 35 // An Inet4Address will be converted to a sockaddr_in. This is probably only useful for 36 // getnameinfo(2), where we'll be presenting the result to the user and the user may actually 37 // care whether the original address was pure IPv4 or an IPv4-mapped IPv6 address, and 38 // for the MCAST_JOIN_GROUP, MCAST_LEAVE_GROUP, and other multicast socket options. 39 bool inetAddressToSockaddrVerbatim(JNIEnv* env, jobject inetAddress, int port, 40 sockaddr_storage& ss, socklen_t& sa_len); 41 42 43 44 // Changes 'fd' to be blocking/non-blocking. Returns false and sets errno on failure. 45 // @Deprecated - use IoUtils.setBlocking 46 bool setBlocking(int fd, bool blocking); 47