fixed #349.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@2368 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/TcpSlaveAgentListener.java

@@ -11,6 +11,7 @@ import java.io.DataInputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.File;
+import java.io.OutputStream;
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.logging.Level;
@@ -135,7 +136,7 @@ public class TcpSlaveAgentListener extends Thread {
                 }
 
                 String nodeName = in.readUTF();
-                Computer computer = Hudson.getInstance().getComputer(nodeName);
+                ComputerImpl computer = (ComputerImpl) Hudson.getInstance().getComputer(nodeName);
                 if(computer==null) {
                     error(out, "No such slave: "+nodeName);
                     return;
@@ -148,7 +149,10 @@ public class TcpSlaveAgentListener extends Thread {
 
                 out.println("Welcome");
 
-                ((ComputerImpl)computer).setChannel(s.getInputStream(),s.getOutputStream(),null,
+                OutputStream log = computer.openLogFile();
+                new PrintWriter(log).println("JNLP agent connected from "+s.getInetAddress());
+                
+                computer.setChannel(s.getInputStream(),s.getOutputStream(),log,
                     new Listener() {
                         public void onClosed(Channel channel, IOException cause) {
                             if(cause!=null)

core/src/main/java/hudson/model/Slave.java

@@ -229,14 +229,7 @@ public final class Slave implements Node, Serializable {
         private void launch(final Slave slave) {
             closeChannel();
 
-            OutputStream os;
-            try {
-                os = new FileOutputStream(getLogFile());
-            } catch (FileNotFoundException e) {
-                logger.log(Level.SEVERE, "Failed to create log file "+getLogFile(),e);
-                os = new NullStream();
-            }
-            final OutputStream launchLog = os;
+            final OutputStream launchLog = openLogFile();
 
             if(slave.agentCommand.length()>0) {
                 // launch the slave agent asynchronously
@@ -282,6 +275,17 @@ public final class Slave implements Node, Serializable {
             }
         }
 
+        public OutputStream openLogFile() {
+            OutputStream os;
+            try {
+                os = new FileOutputStream(getLogFile());
+            } catch (FileNotFoundException e) {
+                logger.log(Level.SEVERE, "Failed to create log file "+getLogFile(),e);
+                os = new NullStream();
+            }
+            return os;
+        }
+
         private final Object channelLock = new Object();
 
         /**