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[or-cvs] [puppetor/master] Make the tor executable configurable.



Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date: Tue, 28 Jul 2009 21:11:49 +0200
Subject: Make the tor executable configurable.
Commit: e1081959873bbe01fd3b784f8a3e6f8053c2c29e

---
 src/org/torproject/puppetor/ProxyNode.java         |   15 ++++++++
 .../torproject/puppetor/impl/ProxyNodeImpl.java    |   37 ++++++++++++++++++--
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/src/org/torproject/puppetor/ProxyNode.java b/src/org/torproject/puppetor/ProxyNode.java
index 8ddf3b5..50a5688 100644
--- a/src/org/torproject/puppetor/ProxyNode.java
+++ b/src/org/torproject/puppetor/ProxyNode.java
@@ -5,6 +5,7 @@
  */
 package org.torproject.puppetor;
 
+import java.io.File;
 import java.rmi.Remote;
 import java.rmi.RemoteException;
 import java.util.List;
@@ -306,4 +307,18 @@ public interface ProxyNode extends Remote {
      */
     public abstract List<String> getConfiguration() throws RemoteException;
 
+    /**
+     * Configures this node to use the given tor executable rather than the
+     * one that is in the system path.
+     *
+     * @param executable
+     *            The tor executable that will be used.
+     * @throws IllegalStateException
+     *             Thrown if node is not in state
+     *             <code>NodeState.CONFIGURING</code>.
+     * @throws IllegalArgumentException
+     *             Thrown if the passed file does not exist or is a directory.
+     */
+    public abstract void setTorExecutable(File executable) throws RemoteException;
+
 }
diff --git a/src/org/torproject/puppetor/impl/ProxyNodeImpl.java b/src/org/torproject/puppetor/impl/ProxyNodeImpl.java
index c7e4e4d..fc2bb72 100644
--- a/src/org/torproject/puppetor/impl/ProxyNodeImpl.java
+++ b/src/org/torproject/puppetor/impl/ProxyNodeImpl.java
@@ -38,10 +38,8 @@ public class ProxyNodeImpl extends UnicastRemoteObject implements ProxyNode {
 
     /**
      * Executable file containing Tor.
-     * 
-     * TODO make this configurable!
      */
-    protected static final File torExecutable = new File("tor");
+    protected File torExecutable = new File("tor");
 
     /**
      * The <code>torrc</code> configuration file of this Tor node.
@@ -719,6 +717,39 @@ public class ProxyNodeImpl extends UnicastRemoteObject implements ProxyNode {
         return new ArrayList<String>(this.configuration);
     }
 
+    public void setTorExecutable(File executable) {
+
+        // log entering
+        this.logger.entering(this.getClass().getName(), "setTorExecutable");
+
+        // check state
+        if (this.nodeState != NodeState.CONFIGURING) {
+            IllegalStateException e = new IllegalStateException(
+                    "Cannot change the tor executable after configuring!");
+            this.logger.throwing(this.getClass().getName(), "setTorExecutable",
+                    e);
+            throw e;
+        }
+
+        // check if the file exists and is not a directory
+        if (executable == null || !executable.exists() ||
+                executable.isDirectory()) {
+            IllegalArgumentException e = new IllegalArgumentException(
+                    "tor executable " + (executable == null ? "(null)"
+                    : executable.getAbsolutePath()) + " is not a valid "
+                    + "file!");
+            this.logger.throwing(this.getClass().getName(), "setTorExecutable",
+                    e);
+            throw e;
+        }
+
+        // set executable
+        this.torExecutable = executable;
+
+        // log exiting
+        this.logger.exiting(this.getClass().getName(), "setTorExecutable");
+    }
+
     /**
      * Template configuration of proxy nodes.
      */
-- 
1.5.6.5