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Some improvements for custom message handling

This commit is contained in:
Christian Basler 2015-12-02 17:45:50 +01:00
parent 99266712fa
commit 991a0e5f86
7 changed files with 72 additions and 26 deletions
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13
domain/src/main/java/ch/dissem/bitmessage/entity/CustomMessage.java
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@ -16,10 +16,7 @@
package ch.dissem.bitmessage.entity;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.*;
import static ch.dissem.bitmessage.utils.Decode.bytes;
@ -65,4 +62,12 @@ public class CustomMessage implements MessagePayload {
"Programmer: did you forget to override #write()?");
}
}
public static CustomMessage error(String message) {
try {
return new CustomMessage(("ERROR\n" + message).getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
}

14
domain/src/main/java/ch/dissem/bitmessage/ports/NetworkHandler.java
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@ -16,6 +16,7 @@
package ch.dissem.bitmessage.ports;
import ch.dissem.bitmessage.entity.CustomMessage;
import ch.dissem.bitmessage.entity.ObjectMessage;
import ch.dissem.bitmessage.entity.valueobject.InventoryVector;
import ch.dissem.bitmessage.utils.Property;
@ -34,7 +35,18 @@ public interface NetworkHandler {
* An implementation should disconnect if either the timeout is reached or the returned thread is interrupted.
* </p>
*/
Future<?> synchronize(InetAddress trustedHost, int port, MessageListener listener, long timeoutInSeconds);
Future<?> synchronize(InetAddress server, int port, MessageListener listener, long timeoutInSeconds);
/**
* Send a custom message to a specific node (that should implement handling for this message type) and returns
* the response, which in turn is expected to be a {@link CustomMessage}.
*
* @param server the node's address
* @param port the node's port
* @param request the request
* @return the response
*/
CustomMessage send(InetAddress server, int port, CustomMessage request);
/**
* Start a full network node, accepting incoming connections and relaying objects.

12
extensions/src/main/java/ch/dissem/bitmessage/extensions/pow/ProofOfWorkRequest.java
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@ -24,6 +24,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import static ch.dissem.bitmessage.extensions.pow.ProofOfWorkRequest.Request.CALCULATE;
import static ch.dissem.bitmessage.utils.Decode.*;
/**
@ -35,7 +36,11 @@ public class ProofOfWorkRequest implements Streamable {
private final Request request;
private final byte[] data;
private ProofOfWorkRequest(BitmessageAddress sender, byte[] initialHash, Request request, byte[] data) {
public ProofOfWorkRequest(BitmessageAddress sender, byte[] initialHash, Request request) {
this(sender, initialHash, request, new byte[0]);
}
public ProofOfWorkRequest(BitmessageAddress sender, byte[] initialHash, Request request, byte[] data) {
this.sender = sender;
this.initialHash = initialHash;
this.request = request;
@ -76,11 +81,8 @@ public class ProofOfWorkRequest implements Streamable {
public enum Request {
CALCULATE,
QUERY,
ERROR,
OK,
QUEUED,
CALCULATING,
QUERY,
COMPLETE
}
}

2
gradle/wrapper/gradle-wrapper.properties vendored
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@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-2.5-all.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip

12
networking/src/main/java/ch/dissem/bitmessage/networking/Connection.java
View File

@ -260,11 +260,6 @@ public class Connection {
ctx.getNodeRegistry().offerAddresses(addr.getAddresses());
break;
case CUSTOM:
MessagePayload response = ctx.getCustomCommandHandler().handle((CustomMessage) messagePayload);
if (response != null) {
send(response);
}
break;
case VERACK:
case VERSION:
throw new RuntimeException("Unexpectedly received '" + messagePayload.getCommand() + "' command");
@ -400,6 +395,13 @@ public class Connection {
break;
}
break;
case CUSTOM:
MessagePayload response = ctx.getCustomCommandHandler().handle((CustomMessage) msg.getPayload());
if (response != null) {
send(response);
}
disconnect();
break;
default:
throw new NodeException("Command 'version' or 'verack' expected, but was '"
+ msg.getPayload().getCommand() + "'");

29
networking/src/main/java/ch/dissem/bitmessage/networking/DefaultNetworkHandler.java
View File

@ -18,8 +18,12 @@ package ch.dissem.bitmessage.networking;
import ch.dissem.bitmessage.InternalContext;
import ch.dissem.bitmessage.InternalContext.ContextHolder;
import ch.dissem.bitmessage.entity.CustomMessage;
import ch.dissem.bitmessage.entity.NetworkMessage;
import ch.dissem.bitmessage.entity.valueobject.InventoryVector;
import ch.dissem.bitmessage.entity.valueobject.NetworkAddress;
import ch.dissem.bitmessage.exception.NodeException;
import ch.dissem.bitmessage.factory.Factory;
import ch.dissem.bitmessage.ports.NetworkHandler;
import ch.dissem.bitmessage.utils.Collections;
import ch.dissem.bitmessage.utils.Property;
@ -71,9 +75,9 @@ public class DefaultNetworkHandler implements NetworkHandler, ContextHolder {
}
@Override
public Future<?> synchronize(InetAddress trustedHost, int port, MessageListener listener, long timeoutInSeconds) {
public Future<?> synchronize(InetAddress server, int port, MessageListener listener, long timeoutInSeconds) {
try {
Connection connection = Connection.sync(ctx, trustedHost, port, listener, timeoutInSeconds);
Connection connection = Connection.sync(ctx, server, port, listener, timeoutInSeconds);
Future<?> reader = pool.submit(connection.getReader());
pool.execute(connection.getWriter());
return reader;
@ -82,6 +86,27 @@ public class DefaultNetworkHandler implements NetworkHandler, ContextHolder {
}
}
@Override
public CustomMessage send(InetAddress server, int port, CustomMessage request) {
try (Socket socket = new Socket(server, port)) {
socket.setSoTimeout(Connection.READ_TIMEOUT);
new NetworkMessage(request).write(socket.getOutputStream());
NetworkMessage networkMessage = Factory.getNetworkMessage(3, socket.getInputStream());
if (networkMessage != null && networkMessage.getPayload() instanceof CustomMessage) {
return (CustomMessage) networkMessage.getPayload();
} else {
if (networkMessage == null) {
throw new NodeException("No response from node " + server);
} else {
throw new NodeException("Unexpected response from node " +
server + ": " + networkMessage.getPayload().getCommand());
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void start(final MessageListener listener) {
if (listener == null) {

16
wif/src/test/java/ch/dissem/bitmessage/wif/WifExporterTest.java
View File

@ -72,14 +72,14 @@ public class WifExporterTest {
@Test
public void testAddIdentity() throws Exception {
String expected = "[BM-2DAjcCFrqFrp88FUxExhJ9kPqHdunQmiyn]\n" +
"label = Nuked Address\n" +
"enabled = true\n" +
"decoy = false\n" +
"noncetrialsperbyte = 320\n" +
"payloadlengthextrabytes = 14000\n" +
"privsigningkey = 5KU2gbe9u4rKJ8PHYb1rvwMnZnAJj4gtV5GLwoYckeYzygWUzB9\n" +
"privencryptionkey = 5KHd4c6cavd8xv4kzo3PwnVaYuBgEfg7voPQ5V97aZKgpYBXGck\n\n";
String expected = "[BM-2DAjcCFrqFrp88FUxExhJ9kPqHdunQmiyn]" + System.lineSeparator() +
"label = Nuked Address" + System.lineSeparator() +
"enabled = true" + System.lineSeparator() +
"decoy = false" + System.lineSeparator() +
"noncetrialsperbyte = 320" + System.lineSeparator() +
"payloadlengthextrabytes = 14000" + System.lineSeparator() +
"privsigningkey = 5KU2gbe9u4rKJ8PHYb1rvwMnZnAJj4gtV5GLwoYckeYzygWUzB9" + System.lineSeparator() +
"privencryptionkey = 5KHd4c6cavd8xv4kzo3PwnVaYuBgEfg7voPQ5V97aZKgpYBXGck" + System.lineSeparator() + System.lineSeparator();
importer = new WifImporter(ctx, expected);
exporter.addIdentity(importer.getIdentities().get(0));
assertEquals(expected, exporter.toString());