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 17 package libcore.io; 18 19 import android.system.ErrnoException; 20 import android.system.GaiException; 21 import android.system.Int32Ref; 22 import android.system.Int64Ref; 23 import android.system.StructAddrinfo; 24 import android.system.StructCapUserData; 25 import android.system.StructCapUserHeader; 26 import android.system.StructFlock; 27 import android.system.StructGroupReq; 28 import android.system.StructIfaddrs; 29 import android.system.StructLinger; 30 import android.system.StructPasswd; 31 import android.system.StructPollfd; 32 import android.system.StructRlimit; 33 import android.system.StructStat; 34 import android.system.StructStatVfs; 35 import android.system.StructTimeval; 36 import android.system.StructUcred; 37 import android.system.StructUtsname; 38 39 import java.io.FileDescriptor; 40 import java.io.InterruptedIOException; 41 import java.net.InetAddress; 42 import java.net.InetSocketAddress; 43 import java.net.SocketAddress; 44 import java.net.SocketException; 45 import java.nio.ByteBuffer; 46 47 /** 48 * Subclass this if you want to override some {@link Os} methods but otherwise delegate. 49 */ 50 public class ForwardingOs implements Os { 51 protected final Os os; 52 53 public ForwardingOs(Os os) { 54 this.os = os; 55 } 56 57 public FileDescriptor accept(FileDescriptor fd, SocketAddress peerAddress) throws ErrnoException, SocketException { return os.accept(fd, peerAddress); } 58 public boolean access(String path, int mode) throws ErrnoException { return os.access(path, mode); } 59 public InetAddress[] android_getaddrinfo(String node, StructAddrinfo hints, int netId) throws GaiException { return os.android_getaddrinfo(node, hints, netId); } 60 public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException { os.bind(fd, address, port); } 61 public void bind(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException { os.bind(fd, address); } 62 @Override 63 public StructCapUserData[] capget(StructCapUserHeader hdr) throws ErrnoException { 64 return os.capget(hdr); 65 } 66 @Override 67 public void capset(StructCapUserHeader hdr, StructCapUserData[] data) throws ErrnoException { 68 os.capset(hdr, data); 69 } 70 public void chmod(String path, int mode) throws ErrnoException { os.chmod(path, mode); } 71 public void chown(String path, int uid, int gid) throws ErrnoException { os.chown(path, uid, gid); } 72 public void close(FileDescriptor fd) throws ErrnoException { os.close(fd); } 73 public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException { os.connect(fd, address, port); } 74 public void connect(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException { os.connect(fd, address); } 75 public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException { return os.dup(oldFd); } 76 public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException { return os.dup2(oldFd, newFd); } 77 public String[] environ() { return os.environ(); } 78 public void execv(String filename, String[] argv) throws ErrnoException { os.execv(filename, argv); } 79 public void execve(String filename, String[] argv, String[] envp) throws ErrnoException { os.execve(filename, argv, envp); } 80 public void fchmod(FileDescriptor fd, int mode) throws ErrnoException { os.fchmod(fd, mode); } 81 public void fchown(FileDescriptor fd, int uid, int gid) throws ErrnoException { os.fchown(fd, uid, gid); } 82 public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException, InterruptedIOException { return os.fcntlFlock(fd, cmd, arg); } 83 public int fcntlInt(FileDescriptor fd, int cmd, int arg) throws ErrnoException { return os.fcntlInt(fd, cmd, arg); } 84 public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException { return os.fcntlVoid(fd, cmd); } 85 public void fdatasync(FileDescriptor fd) throws ErrnoException { os.fdatasync(fd); } 86 public StructStat fstat(FileDescriptor fd) throws ErrnoException { return os.fstat(fd); } 87 public StructStatVfs fstatvfs(FileDescriptor fd) throws ErrnoException { return os.fstatvfs(fd); } 88 public void fsync(FileDescriptor fd) throws ErrnoException { os.fsync(fd); } 89 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException { os.ftruncate(fd, length); } 90 public String gai_strerror(int error) { return os.gai_strerror(error); } 91 public int getegid() { return os.getegid(); } 92 public int geteuid() { return os.geteuid(); } 93 public int getgid() { return os.getgid(); } 94 public String getenv(String name) { return os.getenv(name); } 95 public String getnameinfo(InetAddress address, int flags) throws GaiException { return os.getnameinfo(address, flags); } 96 public SocketAddress getpeername(FileDescriptor fd) throws ErrnoException { return os.getpeername(fd); } 97 public int getpgid(int pid) throws ErrnoException { return os.getpgid(pid); } 98 public int getpid() { return os.getpid(); } 99 public int getppid() { return os.getppid(); } 100 public StructPasswd getpwnam(String name) throws ErrnoException { return os.getpwnam(name); } 101 public StructPasswd getpwuid(int uid) throws ErrnoException { return os.getpwuid(uid); } 102 public StructRlimit getrlimit(int resource) throws ErrnoException { return os.getrlimit(resource); } 103 public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException { return os.getsockname(fd); } 104 public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptByte(fd, level, option); } 105 public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptInAddr(fd, level, option); } 106 public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptInt(fd, level, option); } 107 public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptLinger(fd, level, option); } 108 public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptTimeval(fd, level, option); } 109 public StructUcred getsockoptUcred(FileDescriptor fd, int level, int option) throws ErrnoException { return os.getsockoptUcred(fd, level, option); } 110 public int gettid() { return os.gettid(); } 111 public int getuid() { return os.getuid(); } 112 public byte[] getxattr(String path, String name) throws ErrnoException { return os.getxattr(path, name); } 113 public StructIfaddrs[] getifaddrs() throws ErrnoException { return os.getifaddrs(); } 114 public String if_indextoname(int index) { return os.if_indextoname(index); } 115 public int if_nametoindex(String name) { return os.if_nametoindex(name); } 116 public InetAddress inet_pton(int family, String address) { return os.inet_pton(family, address); } 117 public int ioctlFlags(FileDescriptor fd, String interfaceName) throws ErrnoException { return os.ioctlFlags(fd, interfaceName); }; 118 public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException { return os.ioctlInetAddress(fd, cmd, interfaceName); } 119 public int ioctlInt(FileDescriptor fd, int cmd, Int32Ref arg) throws ErrnoException { return os.ioctlInt(fd, cmd, arg); } 120 public int ioctlMTU(FileDescriptor fd, String interfaceName) throws ErrnoException { return os.ioctlMTU(fd, interfaceName); }; 121 public boolean isatty(FileDescriptor fd) { return os.isatty(fd); } 122 public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); } 123 public void lchown(String path, int uid, int gid) throws ErrnoException { os.lchown(path, uid, gid); } 124 public void link(String oldPath, String newPath) throws ErrnoException { os.link(oldPath, newPath); } 125 public void listen(FileDescriptor fd, int backlog) throws ErrnoException { os.listen(fd, backlog); } 126 public String[] listxattr(String path) throws ErrnoException { return os.listxattr(path); } 127 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException { return os.lseek(fd, offset, whence); } 128 public StructStat lstat(String path) throws ErrnoException { return os.lstat(path); } 129 public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException { os.mincore(address, byteCount, vector); } 130 public void mkdir(String path, int mode) throws ErrnoException { os.mkdir(path, mode); } 131 public void mkfifo(String path, int mode) throws ErrnoException { os.mkfifo(path, mode); } 132 public void mlock(long address, long byteCount) throws ErrnoException { os.mlock(address, byteCount); } 133 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); } 134 public void msync(long address, long byteCount, int flags) throws ErrnoException { os.msync(address, byteCount, flags); } 135 public void munlock(long address, long byteCount) throws ErrnoException { os.munlock(address, byteCount); } 136 public void munmap(long address, long byteCount) throws ErrnoException { os.munmap(address, byteCount); } 137 public FileDescriptor open(String path, int flags, int mode) throws ErrnoException { return os.open(path, flags, mode); } 138 public FileDescriptor[] pipe2(int flags) throws ErrnoException { return os.pipe2(flags); } 139 public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException { return os.poll(fds, timeoutMs); } 140 public void posix_fallocate(FileDescriptor fd, long offset, long length) throws ErrnoException { os.posix_fallocate(fd, offset, length); } 141 public int prctl(int option, long arg2, long arg3, long arg4, long arg5) throws ErrnoException { return os.prctl(option, arg2, arg3, arg4, arg5); }; 142 public int pread(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException { return os.pread(fd, buffer, offset); } 143 public int pread(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException { return os.pread(fd, bytes, byteOffset, byteCount, offset); } 144 public int pwrite(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException { return os.pwrite(fd, buffer, offset); } 145 public int pwrite(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException { return os.pwrite(fd, bytes, byteOffset, byteCount, offset); } 146 public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException { return os.read(fd, buffer); } 147 public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException { return os.read(fd, bytes, byteOffset, byteCount); } 148 public String readlink(String path) throws ErrnoException { return os.readlink(path); } 149 public String realpath(String path) throws ErrnoException { return os.realpath(path); } 150 public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException { return os.readv(fd, buffers, offsets, byteCounts); } 151 public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException { return os.recvfrom(fd, buffer, flags, srcAddress); } 152 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); } 153 public void remove(String path) throws ErrnoException { os.remove(path); } 154 public void removexattr(String path, String name) throws ErrnoException { os.removexattr(path, name); } 155 public void rename(String oldPath, String newPath) throws ErrnoException { os.rename(oldPath, newPath); } 156 public long sendfile(FileDescriptor outFd, FileDescriptor inFd, Int64Ref offset, long byteCount) throws ErrnoException { return os.sendfile(outFd, inFd, offset, byteCount); } 157 public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException { return os.sendto(fd, buffer, flags, inetAddress, port); } 158 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); } 159 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); } 160 public void setegid(int egid) throws ErrnoException { os.setegid(egid); } 161 public void setenv(String name, String value, boolean overwrite) throws ErrnoException { os.setenv(name, value, overwrite); } 162 public void seteuid(int euid) throws ErrnoException { os.seteuid(euid); } 163 public void setgid(int gid) throws ErrnoException { os.setgid(gid); } 164 public void setpgid(int pid, int pgid) throws ErrnoException { os.setpgid(pid, pgid); } 165 public void setregid(int rgid, int egid) throws ErrnoException { os.setregid(rgid, egid); } 166 public void setreuid(int ruid, int euid) throws ErrnoException { os.setreuid(ruid, euid); } 167 public int setsid() throws ErrnoException { return os.setsid(); } 168 public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptByte(fd, level, option, value); } 169 public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException { os.setsockoptIfreq(fd, level, option, value); } 170 public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptInt(fd, level, option, value); } 171 public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException { os.setsockoptIpMreqn(fd, level, option, value); } 172 public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException { os.setsockoptGroupReq(fd, level, option, value); } 173 public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException { os.setsockoptLinger(fd, level, option, value); } 174 public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException { os.setsockoptTimeval(fd, level, option, value); } 175 public void setuid(int uid) throws ErrnoException { os.setuid(uid); } 176 public void setxattr(String path, String name, byte[] value, int flags) throws ErrnoException { os.setxattr(path, name, value, flags); } 177 public void shutdown(FileDescriptor fd, int how) throws ErrnoException { os.shutdown(fd, how); } 178 public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException { return os.socket(domain, type, protocol); } 179 public void socketpair(int domain, int type, int protocol, FileDescriptor fd1, FileDescriptor fd2) throws ErrnoException { os.socketpair(domain, type, protocol, fd1, fd2); } 180 public long splice(FileDescriptor fdIn, Int64Ref offIn, FileDescriptor fdOut, Int64Ref offOut, long len, int flags) throws ErrnoException { return os.splice(fdIn, offIn, fdOut, offOut, len, flags); } 181 public StructStat stat(String path) throws ErrnoException { return os.stat(path); } 182 public StructStatVfs statvfs(String path) throws ErrnoException { return os.statvfs(path); } 183 public String strerror(int errno) { return os.strerror(errno); } 184 public String strsignal(int signal) { return os.strsignal(signal); } 185 public void symlink(String oldPath, String newPath) throws ErrnoException { os.symlink(oldPath, newPath); } 186 public long sysconf(int name) { return os.sysconf(name); } 187 public void tcdrain(FileDescriptor fd) throws ErrnoException { os.tcdrain(fd); } 188 public void tcsendbreak(FileDescriptor fd, int duration) throws ErrnoException { os.tcsendbreak(fd, duration); } 189 public int umask(int mask) { return os.umask(mask); } 190 public StructUtsname uname() { return os.uname(); } 191 public void unlink(String pathname) throws ErrnoException { os.unlink(pathname); } 192 public void unsetenv(String name) throws ErrnoException { os.unsetenv(name); } 193 public int waitpid(int pid, Int32Ref status, int options) throws ErrnoException { return os.waitpid(pid, status, options); } 194 public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException { return os.write(fd, buffer); } 195 public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException { return os.write(fd, bytes, byteOffset, byteCount); } 196 public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException { return os.writev(fd, buffers, offsets, byteCounts); } 197 } 198
