/*******************************************************************************
* Copyright (c) 2007, 2012 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.tcf.internal.services.remote;
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.tcf.core.Command;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.protocol.JSON;
import org.eclipse.tcf.services.IRegisters;
public class RegistersProxy implements IRegisters {
private final IChannel channel;
private final Map<RegistersListener,IChannel.IEventListener> listeners =
new HashMap<RegistersListener,IChannel.IEventListener>();
private class Context implements RegistersContext {
private final Map<String,Object> props;
Context(Map<String,Object> props) {
this.props = props;
}
public int[] getBitNumbers() {
return toIntArray(props.get(PROP_BITS));
}
public String getDescription() {
return (String)props.get(PROP_DESCRIPTION);
}
public int getFirstBitNumber() {
Number n = (Number)props.get(PROP_FIST_BIT);
if (n == null) return 0;
return n.intValue();
}
public String getID() {
return (String)props.get(PROP_ID);
}
public String getName() {
return (String)props.get(PROP_NAME);
}
public NamedValue[] getNamedValues() {
return toValuesArray(props.get(PROP_VALUES));
}
public String getParentID() {
return (String)props.get(PROP_PARENT_ID);
}
public int getSize() {
Number n = (Number)props.get(PROP_SIZE);
if (n == null) return 0;
return n.intValue();
}
public Map<String, Object> getProperties() {
return props;
}
public boolean hasSideEffects() {
Boolean n = (Boolean)props.get(PROP_SIDE_EFFECTS);
if (n == null) return false;
return n.booleanValue();
}
public boolean isBigEndian() {
Boolean n = (Boolean)props.get(PROP_BIG_ENDIAN);
if (n == null) return false;
return n.booleanValue();
}
public boolean isFloat() {
Boolean n = (Boolean)props.get(PROP_FLOAT);
if (n == null) return false;
return n.booleanValue();
}
public boolean isLeftToRight() {
Boolean n = (Boolean)props.get(PROP_LEFT_TO_RIGHT);
if (n == null) return false;
return n.booleanValue();
}
public boolean isReadOnce() {
Boolean n = (Boolean)props.get(PROP_READ_ONCE);
if (n == null) return false;
return n.booleanValue();
}
public boolean isReadable() {
Boolean n = (Boolean)props.get(PROP_READBLE);
if (n == null) return false;
return n.booleanValue();
}
public boolean isVolatile() {
Boolean n = (Boolean)props.get(PROP_VOLATILE);
if (n == null) return false;
return n.booleanValue();
}
public boolean isWriteOnce() {
Boolean n = (Boolean)props.get(PROP_WRITE_ONCE);
if (n == null) return false;
return n.booleanValue();
}
public boolean isWriteable() {
Boolean n = (Boolean)props.get(PROP_WRITEABLE);
if (n == null) return false;
return n.booleanValue();
}
@SuppressWarnings("unchecked")
public Collection<String> canSearch() {
return (Collection<String>)props.get(PROP_CAN_SEARCH);
}
public Number getMemoryAddress() {
return (Number)props.get(PROP_MEMORY_ADDRESS);
}
public String getMemoryContext() {
return (String)props.get(PROP_MEMORY_CONTEXT);
}
public String getProcessID() {
return (String)props.get(PROP_PROCESS_ID);
}
public String getRole() {
return (String)props.get(PROP_ROLE);
}
public int getOffset() {
Number n = (Number)props.get(PROP_OFFSET);
if (n == null) return -1;
return n.intValue();
}
public IToken get(final DoneGet done) {
return new Command(channel, RegistersProxy.this, "get",
new Object[]{ getID() }) {
@Override
public void done(Exception error, Object[] args) {
byte[] val = null;
if (error == null) {
assert args.length == 2;
error = toError(args[0]);
val = JSON.toByteArray(args[1]);
}
done.doneGet(token, error, val);
}
}.token;
}
public IToken set(byte[] value, final DoneSet done) {
return new Command(channel, RegistersProxy.this, "set",
new Object[]{ getID(), new JSON.Binary(value, 0, value.length) }) {
@Override
public void done(Exception error, Object[] args) {
if (error == null) {
assert args.length == 1;
error = toError(args[0]);
}
done.doneSet(token, error);
}
}.token;
}
public IToken search(Map<String,Object> filter, final DoneSearch done) {
return new Command(channel, RegistersProxy.this, "search",
new Object[]{ getID(), filter }) {
@Override
public void done(Exception error, Object[] args) {
String[][] paths = null;
if (error == null) {
assert args.length == 2;
error = toError(args[0]);
paths = toPathArray(args[1]);
}
done.doneSearch(token, error, paths);
}
}.token;
}
public String toString() {
return "[Registers Context " + props.toString() + "]";
}
}
public RegistersProxy(IChannel channel) {
this.channel = channel;
}
public String getName() {
return NAME;
}
public IToken getChildren(String parent_context_id, final DoneGetChildren done) {
return new Command(channel, this, "getChildren", new Object[]{ parent_context_id }) {
@Override
public void done(Exception error, Object[] args) {
String[] arr = null;
if (error == null) {
assert args.length == 2;
error = toError(args[0]);
arr = toStringArray(args[1]);
}
done.doneGetChildren(token, error, arr);
}
}.token;
}
public IToken getContext(String id, final DoneGetContext done) {
return new Command(channel, this, "getContext", new Object[]{ id }) {
@SuppressWarnings("unchecked")
@Override
public void done(Exception error, Object[] args) {
Context ctx = null;
if (error == null) {
assert args.length == 2;
error = toError(args[0]);
if (args[1] != null) ctx = new Context((Map<String,Object>)args[1]);
}
done.doneGetContext(token, error, ctx);
}
}.token;
}
public IToken getm(Location[] locs, final DoneGet done) {
return new Command(channel, this, "getm", new Object[]{ locs }) {
@Override
public void done(Exception error, Object[] args) {
byte[] val = null;
if (error == null) {
assert args.length == 2;
error = toError(args[0]);
val = JSON.toByteArray(args[1]);
}
done.doneGet(token, error, val);
}
}.token;
}
public IToken setm(Location[] locs, byte[] value, final DoneSet done) {
return new Command(channel, this, "setm",
new Object[]{ locs, new JSON.Binary(value, 0, value.length) }) {
@Override
public void done(Exception error, Object[] args) {
if (error == null) {
assert args.length == 1;
error = toError(args[0]);
}
done.doneSet(token, error);
}
}.token;
}
public void addListener(final RegistersListener listener) {
IChannel.IEventListener l = new IChannel.IEventListener() {
public void event(String name, byte[] data) {
try {
Object[] args = JSON.parseSequence(data);
if (name.equals("contextChanged")) {
listener.contextChanged();
}
else if (name.equals("registerChanged")) {
assert args.length == 1;
listener.registerChanged((String)args[0]);
}
else {
throw new IOException("Registers service: unknown event: " + name);
}
}
catch (Throwable x) {
channel.terminate(x);
}
}
};
channel.addEventListener(this, l);
listeners.put(listener, l);
}
public void removeListener(RegistersListener listener) {
IChannel.IEventListener l = listeners.remove(listener);
if (l != null) channel.removeEventListener(this, l);
}
@SuppressWarnings("unchecked")
private String[] toStringArray(Object o) {
if (o == null) return null;
Collection<String> c = (Collection<String>)o;
return (String[])c.toArray(new String[c.size()]);
}
@SuppressWarnings("unchecked")
private int[] toIntArray(Object o) {
if (o == null) return null;
Collection<Number> c = (Collection<Number>)o;
int i = 0;
int[] arr = new int[c.size()];
for (Number n : c) arr[i++] = n.intValue();
return arr;
}
@SuppressWarnings("unchecked")
private String[][] toPathArray(Object o) {
if (o == null) return null;
Collection<Collection<String>> c = (Collection<Collection<String>>)o;
int i = 0;
String[][] r = new String[c.size()][];
for (Collection<String> p : c) {
r[i++] = (String[])p.toArray(new String[p.size()]);
}
return r;
}
private static class NamedValueInfo implements NamedValue {
private final String desc;
private final String name;
private final byte[] value;
NamedValueInfo(Map<String,Object> m) {
desc = (String)m.get("Description");
name = (String)m.get("Name");
value = JSON.toByteArray(m.get("Value"));
}
public String getDescription() {
return desc;
}
public String getName() {
return name;
}
public byte[] getValue() {
return value;
}
}
@SuppressWarnings("unchecked")
private NamedValue[] toValuesArray(Object o) {
Collection<Map<String,Object>> c = (Collection<Map<String,Object>>)o;
if (c == null) return null;
int i = 0;
NamedValue[] arr = new NamedValue[c.size()];
for (final Map<String,Object> m : c) {
arr[i++] = new NamedValueInfo(m);
}
return arr;
}
static {
JSON.addObjectWriter(Location.class, new JSON.ObjectWriter<Location>() {
public void write(Location l) throws IOException {
JSON.write('[');
JSON.writeObject(l.id);
JSON.write(',');
JSON.writeUInt(l.offs);
JSON.write(',');
JSON.writeUInt(l.size);
JSON.write(']');
}
});
}
}