package ch.cern.mig.posix;
import java.io.File;
import java.io.IOException;
import com.sun.jna.LastErrorException;
import com.sun.jna.Platform;
public class BasePosix {
public static final int EPERM = 1;
public static final int ENOENT = 2;
public static final int ESRCH = 3;
public static final int EINTR = 4;
public static final int EIO = 5;
public static final int ENXIO = 6;
public static final int E2BIG = 7;
public static final int ENOEXEC = 8;
public static final int EBADF = 9;
public static final int ECHILD = 10;
public static final int EAGAIN = 11;
public static final int ENOMEM = 12;
public static final int EACCES = 13;
public static final int EFAULT = 14;
public static final int ENOTBLK = 15;
public static final int EBUSY = 16;
public static final int EEXIST = 17;
public static final int EXDEV = 18;
public static final int ENODEV = 19;
public static final int ENOTDIR = 20;
public static final int EISDIR = 21;
public static final int EINVAL = 22;
public LibC libc;
public BasePosix(LibC libc) {
this.libc = libc;
}
public int umask() {
int val = libc.umask(022);
libc.umask(val);
return val;
}
public int umask(int val) {
return libc.umask(val);
}
public int utimes(String path, Timeval[] timeval) {
return libc.utimes(path, timeval);
}
public int getpid() {
return libc.getpid();
}
public void mkdir(String name) throws LastErrorException {
libc.mkdir(name, 0777 - umask());
}
public void mkdir(String name, int mode) throws LastErrorException {
libc.mkdir(name, mode);
}
public void link(String from, String to) throws LastErrorException {
libc.link(from, to);
}
public File opendir(String path) throws LastErrorException {
File dir = new File(path);
if (!dir.exists())
throw new LastErrorException(ENOENT);
return dir;
}
public File open(String path) throws LastErrorException {
File file = new File(path);
boolean result = false;
try {
result = file.createNewFile();
} catch (IOException e) {
if (e.getMessage().equals("No such file or directory"))
throw new LastErrorException(ENOENT);
throw new LastErrorException(e.getMessage());
}
if (result)
if (file.canWrite())
return file;
else
throw new LastErrorException(EACCES);
else
throw new LastErrorException(EEXIST);
}
public void rename(String from, String to) throws LastErrorException {
libc.rename(from, to);
}
public void rmdir(String path) throws LastErrorException {
libc.rmdir(path);
}
public void unlink(String path) throws LastErrorException {
libc.unlink(path);
}
public FileStat newFileStat() {
if (Platform.isMac())
return new MacOSStat();
else if (Platform.isLinux())
if (Platform.is64Bit())
return new Linux64Stat();
else
return new LinuxStat();
else
throw new RuntimeException("Platform not supported");
}
public FileStat stat(String path) throws LastErrorException {
FileStat stat = newFileStat();
libc.stat(path, stat);
return stat;
}
public FileStat lstat(String path) throws LastErrorException {
FileStat stat = newFileStat();
libc.lstat(path, stat);
return stat;
}
}