1/* 2 * Copyright (C) 2011 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 17package libcore.io; 18 19import android.system.ErrnoException; 20import android.system.GaiException; 21import android.system.StructAddrinfo; 22import android.system.StructFlock; 23import android.system.StructGroupReq; 24import android.system.StructGroupSourceReq; 25import android.system.StructLinger; 26import android.system.StructPasswd; 27import android.system.StructPollfd; 28import android.system.StructStat; 29import android.system.StructStatVfs; 30import android.system.StructTimeval; 31import android.system.StructUcred; 32import android.system.StructUtsname; 33import android.util.MutableInt; 34import android.util.MutableLong; 35import java.io.FileDescriptor; 36import java.io.InterruptedIOException; 37import java.net.InetAddress; 38import java.net.InetSocketAddress; 39import java.net.SocketAddress; 40import java.net.SocketException; 41import java.nio.ByteBuffer; 42 43/** 44 * Subclass this if you want to override some {@link Os} methods but otherwise delegate. 45 */ 46public class ForwardingOs implements Os { 47 protected final Os os; 48 49 public ForwardingOs(Os os) { 50 this.os = os; 51 } 52 53 public FileDescriptor accept(FileDescriptor fd, SocketAddress peerAddress) throws ErrnoException, SocketException { return os.accept(fd, peerAddress); } 54 public boolean access(String path, int mode) throws ErrnoException { return os.access(path, mode); } 55 public InetAddress[] android_getaddrinfo(String node, StructAddrinfo hints, int netId) throws GaiException { return os.android_getaddrinfo(node, hints, netId); } 56 public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException { os.bind(fd, address, port); } 57 public void bind(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException { os.bind(fd, address); } 58 public void chmod(String path, int mode) throws ErrnoException { os.chmod(path, mode); } 59 public void chown(String path, int uid, int gid) throws ErrnoException { os.chown(path, uid, gid); } 60 public void close(FileDescriptor fd) throws ErrnoException { os.close(fd); } 61 public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException { os.connect(fd, address, port); } 62 public void connect(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException { os.connect(fd, address); } 63 public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException { return os.dup(oldFd); } 64 public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException { return os.dup2(oldFd, newFd); } 65 public String[] environ() { return os.environ(); } 66 public void execv(String filename, String[] argv) throws ErrnoException { os.execv(filename, argv); } 67 public void execve(String filename, String[] argv, String[] envp) throws ErrnoException { os.execve(filename, argv, envp); } 68 public void fchmod(FileDescriptor fd, int mode) throws ErrnoException { os.fchmod(fd, mode); } 69 public void fchown(FileDescriptor fd, int uid, int gid) throws ErrnoException { os.fchown(fd, uid, gid); } 70 public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException, InterruptedIOException { return os.fcntlFlock(fd, cmd, arg); } 71 public int fcntlInt(FileDescriptor fd, int cmd, int arg) throws ErrnoException { return os.fcntlInt(fd, cmd, arg); } 72 public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException { return os.fcntlVoid(fd, cmd); } 73 public void fdatasync(FileDescriptor fd) throws ErrnoException { os.fdatasync(fd); } 74 public StructStat fstat(FileDescriptor fd) throws ErrnoException { return os.fstat(fd); } 75 public StructStatVfs fstatvfs(FileDescriptor fd) throws ErrnoException { return os.fstatvfs(fd); } 76 public void fsync(FileDescriptor fd) throws ErrnoException { os.fsync(fd); } 77 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException { os.ftruncate(fd, length); } 78 public String gai_strerror(int error) { return os.gai_strerror(error); } 79 public int getegid() { return os.getegid(); } 80 public int geteuid() { return os.geteuid(); } 81 public int getgid() { return os.getgid(); } 82 public String getenv(String name) { return os.getenv(name); } 83 public String getnameinfo(InetAddress address, int flags) throws GaiException { return os.getnameinfo(address, flags); } 84 public SocketAddress getpeername(FileDescriptor fd) throws ErrnoException { return os.getpeername(fd); } 85 public int getpgid(int pid) throws ErrnoException { return os.getpgid(pid); } 86 public int getpid() { return os.getpid(); } 87 public int getppid() { return os.getppid(); } 88 public StructPasswd getpwnam(String name) throws ErrnoException { return os.getpwnam(name); } 89 public StructPasswd getpwuid(int uid) throws ErrnoException { return os.getpwuid(uid); } 90 public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException { return os.getsockname(fd); } 91 public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptByte(fd, level, option); } 92 public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptInAddr(fd, level, option); } 93 public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptInt(fd, level, option); } 94 public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptLinger(fd, level, option); } 95 public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptTimeval(fd, level, option); } 96 public StructUcred getsockoptUcred(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptUcred(fd, level, option); } 97 public int gettid() { return os.gettid(); } 98 public int getuid() { return os.getuid(); } 99 public int getxattr(String path, String name, byte[] outValue) throws ErrnoException { return os.getxattr(path, name, outValue); } 100 public String if_indextoname(int index) { return os.if_indextoname(index); } 101 public InetAddress inet_pton(int family, String address) { return os.inet_pton(family, address); } 102 public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException { return os.ioctlInetAddress(fd, cmd, interfaceName); } 103 public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException { return os.ioctlInt(fd, cmd, arg); } 104 public boolean isatty(FileDescriptor fd) { return os.isatty(fd); } 105 public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); } 106 public void lchown(String path, int uid, int gid) throws ErrnoException { os.lchown(path, uid, gid); } 107 public void link(String oldPath, String newPath) throws ErrnoException { os.link(oldPath, newPath); } 108 public void listen(FileDescriptor fd, int backlog) throws ErrnoException { os.listen(fd, backlog); } 109 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException { return os.lseek(fd, offset, whence); } 110 public StructStat lstat(String path) throws ErrnoException { return os.lstat(path); } 111 public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException { os.mincore(address, byteCount, vector); } 112 public void mkdir(String path, int mode) throws ErrnoException { os.mkdir(path, mode); } 113 public void mkfifo(String path, int mode) throws ErrnoException { os.mkfifo(path, mode); } 114 public void mlock(long address, long byteCount) throws ErrnoException { os.mlock(address, byteCount); } 115 public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException { return os.mmap(address, byteCount, prot, flags, fd, offset); } 116 public void msync(long address, long byteCount, int flags) throws ErrnoException { os.msync(address, byteCount, flags); } 117 public void munlock(long address, long byteCount) throws ErrnoException { os.munlock(address, byteCount); } 118 public void munmap(long address, long byteCount) throws ErrnoException { os.munmap(address, byteCount); } 119 public FileDescriptor open(String path, int flags, int mode) throws ErrnoException { return os.open(path, flags, mode); } 120 public FileDescriptor[] pipe2(int flags) throws ErrnoException { return os.pipe2(flags); } 121 public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException { return os.poll(fds, timeoutMs); } 122 public void posix_fallocate(FileDescriptor fd, long offset, long length) throws ErrnoException { os.posix_fallocate(fd, offset, length); } 123 public int prctl(int option, long arg2, long arg3, long arg4, long arg5) throws ErrnoException { return os.prctl(option, arg2, arg3, arg4, arg5); }; 124 public int pread(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException { return os.pread(fd, buffer, offset); } 125 public int pread(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException { return os.pread(fd, bytes, byteOffset, byteCount, offset); } 126 public int pwrite(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException { return os.pwrite(fd, buffer, offset); } 127 public int pwrite(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException { return os.pwrite(fd, bytes, byteOffset, byteCount, offset); } 128 public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException { return os.read(fd, buffer); } 129 public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException { return os.read(fd, bytes, byteOffset, byteCount); } 130 public String readlink(String path) throws ErrnoException { return os.readlink(path); } 131 public String realpath(String path) throws ErrnoException { return os.realpath(path); } 132 public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException { return os.readv(fd, buffers, offsets, byteCounts); } 133 public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException { return os.recvfrom(fd, buffer, flags, srcAddress); } 134 public int recvfrom(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException { return os.recvfrom(fd, bytes, byteOffset, byteCount, flags, srcAddress); } 135 public void remove(String path) throws ErrnoException { os.remove(path); } 136 public void removexattr(String path, String name) throws ErrnoException { os.removexattr(path, name); } 137 public void rename(String oldPath, String newPath) throws ErrnoException { os.rename(oldPath, newPath); } 138 public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException { return os.sendfile(outFd, inFd, inOffset, byteCount); } 139 public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException { return os.sendto(fd, buffer, flags, inetAddress, port); } 140 public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException { return os.sendto(fd, bytes, byteOffset, byteCount, flags, inetAddress, port); } 141 public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, SocketAddress address) throws ErrnoException, SocketException { return os.sendto(fd, bytes, byteOffset, byteCount, flags, address); } 142 public void setegid(int egid) throws ErrnoException { os.setegid(egid); } 143 public void setenv(String name, String value, boolean overwrite) throws ErrnoException { os.setenv(name, value, overwrite); } 144 public void seteuid(int euid) throws ErrnoException { os.seteuid(euid); } 145 public void setgid(int gid) throws ErrnoException { os.setgid(gid); } 146 public void setpgid(int pid, int pgid) throws ErrnoException { os.setpgid(pid, pgid); } 147 public void setregid(int rgid, int egid) throws ErrnoException { os.setregid(rgid, egid); } 148 public void setreuid(int ruid, int euid) throws ErrnoException { os.setreuid(ruid, euid); } 149 public int setsid() throws ErrnoException { return os.setsid(); } 150 public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptByte(fd, level, option, value); } 151 public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException { os.setsockoptIfreq(fd, level, option, value); } 152 public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptInt(fd, level, option, value); } 153 public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptIpMreqn(fd, level, option, value); } 154 public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException { os.setsockoptGroupReq(fd, level, option, value); } 155 public void setsockoptGroupSourceReq(FileDescriptor fd, int level, int option, StructGroupSourceReq value) throws ErrnoException { os.setsockoptGroupSourceReq(fd, level, option, value); } 156 public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException { os.setsockoptLinger(fd, level, option, value); } 157 public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException { os.setsockoptTimeval(fd, level, option, value); } 158 public void setuid(int uid) throws ErrnoException { os.setuid(uid); } 159 public void setxattr(String path, String name, byte[] value, int flags) throws ErrnoException { os.setxattr(path, name, value, flags); } 160 public void shutdown(FileDescriptor fd, int how) throws ErrnoException { os.shutdown(fd, how); } 161 public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException { return os.socket(domain, type, protocol); } 162 public void socketpair(int domain, int type, int protocol, FileDescriptor fd1, FileDescriptor fd2) throws ErrnoException { os.socketpair(domain, type, protocol, fd1, fd2); } 163 public StructStat stat(String path) throws ErrnoException { return os.stat(path); } 164 public StructStatVfs statvfs(String path) throws ErrnoException { return os.statvfs(path); } 165 public String strerror(int errno) { return os.strerror(errno); } 166 public String strsignal(int signal) { return os.strsignal(signal); } 167 public void symlink(String oldPath, String newPath) throws ErrnoException { os.symlink(oldPath, newPath); } 168 public long sysconf(int name) { return os.sysconf(name); } 169 public void tcdrain(FileDescriptor fd) throws ErrnoException { os.tcdrain(fd); } 170 public void tcsendbreak(FileDescriptor fd, int duration) throws ErrnoException { os.tcsendbreak(fd, duration); } 171 public int umask(int mask) { return os.umask(mask); } 172 public StructUtsname uname() { return os.uname(); } 173 public void unlink(String pathname) throws ErrnoException { os.unlink(pathname); } 174 public void unsetenv(String name) throws ErrnoException { os.unsetenv(name); } 175 public int waitpid(int pid, MutableInt status, int options) throws ErrnoException { return os.waitpid(pid, status, options); } 176 public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException { return os.write(fd, buffer); } 177 public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException { return os.write(fd, bytes, byteOffset, byteCount); } 178 public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException { return os.writev(fd, buffers, offsets, byteCounts); } 179} 180