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GP-507: Debug agents display log messages.

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This commit is contained in:
Dan
2021-08-19 14:31:37 -04:00
parent 5546d6c7ae
commit 3106cdfd51
5 changed files with 81 additions and 20 deletions
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Ghidra/Debug/Framework-Debugging/certification.manifest
+3
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@@ -1,4 +1,7 @@
##VERSION: 2.0
Module.manifest||GHIDRA||||END|
data/ExtensionPoint.manifest||GHIDRA||||END|
src/main/resources/agent.log4j.xml||GHIDRA||||END|
src/main/resources/log4j-appender-console.xml||GHIDRA||||END|
src/main/resources/log4j-appender-logpanel.xml||GHIDRA||||END|
src/test/resources/ghidra/dbg/model/test_schema.xml||GHIDRA||||END|
Ghidra/Debug/Framework-Debugging/src/main/java/ghidra/dbg/agent/AgentWindow.java
+34 -20
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@@ -23,27 +23,18 @@ import java.net.SocketAddress;
import javax.swing.*;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.AbstractAppender;
import org.apache.logging.log4j.core.config.Property;
import org.apache.logging.log4j.core.config.Configuration;
public class AgentWindow extends JFrame implements WindowListener {
public static final int MAX_LOG_CHARS = 10000;
import ghidra.framework.LoggingInitialization;
import ghidra.util.Msg;
import ghidra.util.Swing;
import log.LogListener;
import log.LogPanelAppender;
protected class WindowAppender extends AbstractAppender {
protected WindowAppender() {
super("agentAppender", null, null, true, Property.EMPTY_ARRAY);
}
@Override
public void append(LogEvent event) {
String allText = logArea.getText() + "\n" + event.getMessage().getFormattedMessage();
logArea.setText(
allText.substring(Math.max(0, allText.length() - MAX_LOG_CHARS), allText.length()));
// TODO: Scroll to bottom
}
}
public class AgentWindow extends JFrame implements WindowListener, LogListener {
public static final int MAX_LOG_CHARS = 100000;
protected final JTextArea logArea = new JTextArea();
protected final JScrollPane logScroll = new JScrollPane(logArea);
@@ -55,15 +46,38 @@ public class AgentWindow extends JFrame implements WindowListener {
add(new JLabel("<html>This agent is listening at <b>" + localAddress +
"</b>. Close this window to terminate it.</html>"), BorderLayout.NORTH);
logArea.setEditable(false);
logArea.setFont(Font.getFont(Font.MONOSPACED));
logArea.setFont(Font.decode(Font.MONOSPACED));
logArea.setAutoscrolls(true);
logScroll.setAutoscrolls(true);
add(logScroll);
setMinimumSize(new Dimension(400, 300));
setVisible(true);
System.setProperty("log4j.configuration", "agent.log4j.xml");
LoggingInitialization.initializeLoggingSystem();
LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
ctx.getConfiguration().addAppender(new WindowAppender());
Configuration config = ctx.getConfiguration();
Appender appender = config.getAppender("logPanel");
if (!(appender instanceof LogPanelAppender)) {
Msg.error(this, "Couldn't find LogPanelAppender instance in the Log4j context. " +
"Nothing will be logged to the agent's window.");
}
else {
LogPanelAppender logPanelAppender = (LogPanelAppender) appender;
logPanelAppender.setLogListener(this);
}
}
@Override
public void messageLogged(String message, boolean isError) {
String fMessage = isError ? "<font color=\"red\">" + message + "</font>" : message;
Swing.runIfSwingOrRunLater(() -> {
String allText = logArea.getText() + fMessage + "\n";
logArea.setText(
allText.substring(Math.max(0, allText.length() - MAX_LOG_CHARS), allText.length()));
JScrollBar vScroll = logScroll.getVerticalScrollBar();
vScroll.setValue(vScroll.getMaximum());
});
}
@Override
Ghidra/Debug/Framework-Debugging/src/main/resources/agent.log4j.xml
+28
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@@ -0,0 +1,28 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
Basic Log4j configuration.
Note the 'packages' attribute; this is required if an appender needs to reference a class
in the codebase. For this configuration it's necessary for the 'logPanel' appender, which
references LogPanelAppender.java.
-->
<Configuration monitorInterval="30" xmlns:xi="http://www.w3.org/2001/XInclude" packages="log">
<Appenders>
<xi:include href="log4j-appender-console.xml"/>
<xi:include href="log4j-appender-logpanel.xml"/>
</Appenders>
<Loggers>
<Logger name="db" level="DEBUG"/>
<Logger name="docking" level="DEBUG"/>
<Logger name="ghidra" level="DEBUG"/>
<Logger name="reverse" level="DEBUG"/>
<Logger name="util" level="DEBUG"/>
<Root level="ALL">
<AppenderRef ref="console" level="DEBUG"/>
<AppenderRef ref="logPanel" level="DEBUG"/>
</Root>
</Loggers>
</Configuration>
Ghidra/Debug/Framework-Debugging/src/main/resources/log4j-appender-console.xml
+9
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@@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Log4j appender that writes messages to the console. -->
<Console
name="console"
target="SYSTEM_OUT">
<PatternLayout pattern="%-5p %m (%c{1}) %ex %n"/>
</Console>
Ghidra/Debug/Framework-Debugging/src/main/resources/log4j-appender-logpanel.xml
+7
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@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Log4j appender that writes messages to the {@link LogPanelAppender}. -->
<LogPanelAppender name="logPanel">
<PatternLayout pattern="%-5p %m %ex"/>
</LogPanelAppender>