diff options
Diffstat (limited to 'plugins/org.eclipse.tm.tcf/src/org/eclipse/tm/internal/tcf/services/remote/FileSystemProxy.java')
| -rw-r--r-- | plugins/org.eclipse.tm.tcf/src/org/eclipse/tm/internal/tcf/services/remote/FileSystemProxy.java | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/plugins/org.eclipse.tm.tcf/src/org/eclipse/tm/internal/tcf/services/remote/FileSystemProxy.java b/plugins/org.eclipse.tm.tcf/src/org/eclipse/tm/internal/tcf/services/remote/FileSystemProxy.java new file mode 100644 index 000000000..fb23c22e8 --- /dev/null +++ b/plugins/org.eclipse.tm.tcf/src/org/eclipse/tm/internal/tcf/services/remote/FileSystemProxy.java @@ -0,0 +1,583 @@ +/******************************************************************************* + * Copyright (c) 2007, 2008 Wind River Systems, Inc. and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Wind River Systems - initial API and implementation + *******************************************************************************/ +package org.eclipse.tm.internal.tcf.services.remote; + +import java.util.Collection; +import java.util.HashMap; +import java.util.Map; + +import org.eclipse.tm.tcf.core.Base64; +import org.eclipse.tm.tcf.core.Command; +import org.eclipse.tm.tcf.protocol.IChannel; +import org.eclipse.tm.tcf.protocol.IToken; +import org.eclipse.tm.tcf.services.IFileSystem; + + +public class FileSystemProxy implements IFileSystem { + + private final class FileHandle implements IFileHandle { + final String id; + + FileHandle(String id) { + this.id = id; + } + + public IFileSystem getService() { + return FileSystemProxy.this; + } + + public String toString() { + return "[File Handle '" + id + "']"; + } + } + + private static final class Status extends FileSystemException { + + private static final long serialVersionUID = -1636567076145085980L; + + private final int status; + + Status(int status, String message) { + super(message); + this.status = status; + } + + Status(Exception x) { + super(x); + this.status = STATUS_FAILURE; + } + + public int getStatus() { + return status; + } + } + + private abstract class FileSystemCommand extends Command { + + FileSystemCommand(String command, Object[] args) { + super(channel, FileSystemProxy.this, command, args); + } + + public Status toFSError(Object code, Object data) { + int error_code = ((Number)code).intValue(); + if (error_code == 0) return null; + String cmd = getCommandString(); + if (cmd.length() > 32) cmd = cmd.substring(0, 32) + "..."; + return new Status(error_code, + "TCF command exception:" + + "\nCommand: " + cmd + + "\nException: " + toErrorString(data) + + "\nError code: " + code); + } + } + + private final IChannel channel; + + public FileSystemProxy(IChannel channel) { + this.channel = channel; + } + + public IToken close(IFileHandle handle, final DoneClose done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + return new FileSystemCommand("close", new Object[]{ id }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneClose(token, s); + } + }.token; + } + + public IToken setstat(String path, FileAttrs attrs, final DoneSetStat done) { + Object dt = toObject(attrs); + return new FileSystemCommand("setstat", new Object[]{ path, dt }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneSetStat(token, s); + } + }.token; + } + + public IToken fsetstat(IFileHandle handle, FileAttrs attrs, final DoneSetStat done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + Object dt = toObject(attrs); + return new FileSystemCommand("fsetstat", new Object[]{ id, dt }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneSetStat(token, s); + } + }.token; + } + + public IToken stat(String path, final DoneStat done) { + return new FileSystemCommand("stat", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + FileAttrs a = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + a = toFileAttrs(args[2]); + } + } + done.doneStat(token, s, a); + } + }.token; + } + + public IToken fstat(IFileHandle handle, final DoneStat done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + return new FileSystemCommand("fstat", new Object[]{ id }) { + public void done(Exception error, Object[] args) { + Status s = null; + FileAttrs a = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + a = toFileAttrs(args[2]); + } + } + done.doneStat(token, s, a); + } + }.token; + } + + public IToken lstat(String path, final DoneStat done) { + return new FileSystemCommand("lstat", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + FileAttrs a = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + a = toFileAttrs(args[2]); + } + } + done.doneStat(token, s, a); + } + }.token; + } + + public IToken mkdir(String path, FileAttrs attrs, final DoneMkDir done) { + Object dt = toObject(attrs); + return new FileSystemCommand("mkdir", new Object[]{ path, dt }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneMkDir(token, s); + } + }.token; + } + + public IToken open(String file_name, int flags, FileAttrs attrs, final DoneOpen done) { + Object dt = toObject(attrs); + return new FileSystemCommand("open", new Object[]{ file_name, new Integer(flags), dt }) { + public void done(Exception error, Object[] args) { + Status s = null; + FileHandle h = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + h = toFileHandle(args[2]); + } + } + done.doneOpen(token, s, h); + } + }.token; + } + + public IToken opendir(String path, final DoneOpen done) { + return new FileSystemCommand("opendir", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + FileHandle h = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + h = toFileHandle(args[2]); + } + } + done.doneOpen(token, s, h); + } + }.token; + } + + public IToken read(IFileHandle handle, long offset, int len, final DoneRead done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + return new FileSystemCommand("read", new Object[]{ + id, Long.valueOf(offset), Integer.valueOf(len) }) { + public void done(Exception error, Object[] args) { + Status s = null; + byte[] b = null; + boolean eof = false; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 4; + s = toFSError(args[1], args[2]); + if (s == null) { + String str = (String)args[0]; + if (str != null) b = Base64.toByteArray(str.toCharArray()); + eof = ((Boolean)args[3]).booleanValue(); + } + } + done.doneRead(token, s, b, eof); + } + }.token; + } + + public IToken readdir(IFileHandle handle, final DoneReadDir done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + return new FileSystemCommand("readdir", new Object[]{ id }) { + public void done(Exception error, Object[] args) { + Status s = null; + DirEntry[] b = null; + boolean eof = false; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 4; + s = toFSError(args[1], args[2]); + if (s == null) { + b = toDirEntryArray(args[0]); + eof = ((Boolean)args[3]).booleanValue(); + } + } + done.doneReadDir(token, s, b, eof); + } + }.token; + } + + public IToken roots(final DoneRoots done) { + return new FileSystemCommand("roots", null) { + public void done(Exception error, Object[] args) { + Status s = null; + DirEntry[] b = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[1], args[2]); + if (s == null) { + b = toDirEntryArray(args[0]); + } + } + done.doneRoots(token, s, b); + } + }.token; + } + + public IToken readlink(String path, final DoneReadLink done) { + return new FileSystemCommand("readlink", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + String p = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + p = (String)args[2]; + } + } + done.doneReadLink(token, s, p); + } + }.token; + } + + public IToken realpath(String path, final DoneRealPath done) { + return new FileSystemCommand("realpath", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + String p = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 3; + s = toFSError(args[0], args[1]); + if (s == null) { + p = (String)args[2]; + } + } + done.doneRealPath(token, s, p); + } + }.token; + } + + public IToken remove(String file_name, final DoneRemove done) { + return new FileSystemCommand("remove", new Object[]{ file_name }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneRemove(token, s); + } + }.token; + } + + public IToken rename(String old_path, String new_path, final DoneRename done) { + return new FileSystemCommand("rename", new Object[]{ old_path, new_path }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneRename(token, s); + } + }.token; + } + + public IToken rmdir(String path, final DoneRemove done) { + return new FileSystemCommand("rmdir", new Object[]{ path }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneRemove(token, s); + } + }.token; + } + + public IToken symlink(String link_path, String target_path, final DoneSymLink done) { + return new FileSystemCommand("symlink", new Object[]{ link_path, target_path }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneSymLink(token, s); + } + }.token; + } + + public IToken write(IFileHandle handle, long offset, byte[] data, + int data_pos, int data_size, final DoneWrite done) { + assert handle.getService() == this; + String id = ((FileHandle)handle).id; + return new FileSystemCommand("write", new Object[]{ + id, Long.valueOf(offset), Base64.toBase64(data, data_pos, data_size) }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneWrite(token, s); + } + }.token; + } + + public IToken copy(String src_path, String dst_path, + boolean copy_permissions, boolean copy_uidgid, final DoneCopy done) { + return new FileSystemCommand("copy", new Object[]{ + src_path, dst_path, Boolean.valueOf(copy_permissions), + Boolean.valueOf(copy_uidgid) }) { + public void done(Exception error, Object[] args) { + Status s = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 2; + s = toFSError(args[0], args[1]); + } + done.doneCopy(token, s); + } + }.token; + } + + public IToken user(final DoneUser done) { + return new FileSystemCommand("user", null) { + @Override + public void done(Exception error, Object[] args) { + Status s = null; + int r_uid = 0; + int e_uid = 0; + int r_gid = 0; + int e_gid = 0; + String home = null; + if (error != null) { + s = new Status(error); + } + else { + assert args.length == 5; + r_uid = ((Number)args[0]).intValue(); + e_uid = ((Number)args[1]).intValue(); + r_gid = ((Number)args[2]).intValue(); + e_gid = ((Number)args[3]).intValue(); + home = (String)args[4]; + } + done.doneUser(token, s, r_uid, e_uid, r_gid, e_gid, home); + } + }.token; + } + + public String getName() { + return NAME; + } + + private Object toObject(FileAttrs attrs) { + if (attrs == null) return null; + Map<String,Object> m = new HashMap<String,Object>(); + if (attrs.attributes != null) m.putAll(attrs.attributes); + if ((attrs.flags & ATTR_SIZE) != 0) { + m.put("Size", Long.valueOf(attrs.size)); + } + if ((attrs.flags & ATTR_UIDGID) != 0) { + m.put("UID", Integer.valueOf(attrs.uid)); + m.put("GID", Integer.valueOf(attrs.gid)); + } + if ((attrs.flags & ATTR_PERMISSIONS) != 0) { + m.put("Permissions", Integer.valueOf(attrs.permissions)); + } + if ((attrs.flags & ATTR_ACMODTIME) != 0) { + m.put("ATime", Long.valueOf(attrs.atime)); + m.put("MTime", Long.valueOf(attrs.mtime)); + } + return m; + } + + @SuppressWarnings("unchecked") + private FileAttrs toFileAttrs(Object o) { + if (o == null) return null; + Map<String,Object> m = new HashMap<String,Object>((Map<String,Object>)o); + int flags = 0; + long size = 0; + int uid = 0; + int gid = 0; + int permissions = 0; + long atime = 0; + long mtime = 0; + Number n = (Number)m.remove("Size"); + if (n != null) { + size = n.longValue(); + flags |= ATTR_SIZE; + } + Number n1 = (Number)m.remove("UID"); + Number n2 = (Number)m.remove("GID"); + if (n1 != null && n2 != null) { + uid = n1.intValue(); + gid = n2.intValue(); + flags |= ATTR_UIDGID; + } + n = (Number)m.remove("Permissions"); + if (n != null) { + permissions = n.intValue(); + flags |= ATTR_PERMISSIONS; + } + n1 = (Number)m.remove("ATime"); + n2 = (Number)m.remove("MTime"); + if (n1 != null && n2 != null) { + atime = n1.longValue(); + mtime = n2.longValue(); + flags |= ATTR_ACMODTIME; + } + return new FileAttrs(flags, size, uid, gid, permissions, atime, mtime, m); + } + + private FileHandle toFileHandle(Object o) { + if (o == null) return null; + return new FileHandle(o.toString()); + } + + @SuppressWarnings("unchecked") + private DirEntry[] toDirEntryArray(Object o) { + if (o == null) return null; + Collection<Map<String,Object>> c = (Collection<Map<String,Object>>)o; + DirEntry[] res = new DirEntry[c.size()]; + int i = 0; + for (Map<String,Object> m : c) { + res[i++] = new DirEntry( + (String)m.get("FileName"), + (String)m.get("LongName"), + toFileAttrs(m.get("Attrs"))); + } + return res; + } +} |