Save I2CP client version for future reference

router/java/src/net/i2p/router/client/ClientConnectionRunner.java

@@ -67,6 +67,7 @@ class ClientConnectionRunner {
     private SessionId _sessionId;
     /** user's config */
     private SessionConfig _config;
+    private String _clientVersion;
     /** static mapping of MessageId to Payload, storing messages for retrieval */
     private final Map<MessageId, Payload> _messages; 
     /** lease set request state, or null if there is no request pending on at the moment */
@@ -177,6 +178,24 @@ class ClientConnectionRunner {
     
     /** current client's config */
     public SessionConfig getConfig() { return _config; }
+
+    /**
+     *  The client version.
+     *  @since 0.9.7
+     */
+    public void setClientVersion(String version) {
+        _clientVersion = version;
+    }
+
+    /**
+     *  The client version.
+     *  @return null if unknown or less than 0.8.7
+     *  @since 0.9.7
+     */
+    public String getClientVersion() {
+        return _clientVersion;
+    }
+
     /** current client's sessionkeymanager */
     public SessionKeyManager getSessionKeyManager() { return _sessionKeyManager; }
 

router/java/src/net/i2p/router/client/ClientMessageEventListener.java

@@ -134,7 +134,8 @@ class ClientMessageEventListener implements I2CPMessageReader.I2CPMessageEventLi
     private void handleGetDate(I2CPMessageReader reader, GetDateMessage message) {
         // sent by clients >= 0.8.7
         String clientVersion = message.getVersion();
-        // TODO - save client's version string for future reference
+        if (clientVersion != null)
+            _runner.setClientVersion(clientVersion);
         try {
             // only send version if the client can handle it (0.8.7 or greater)
             _runner.doSend(new SetDateMessage(clientVersion != null ? CoreVersion.VERSION : null));

router/java/src/net/i2p/router/client/QueuedClientConnectionRunner.java

@@ -1,5 +1,6 @@
 package net.i2p.router.client;
 
+import net.i2p.CoreVersion;
 import net.i2p.data.i2cp.I2CPMessage;
 import net.i2p.data.i2cp.I2CPMessageException;
 import net.i2p.internal.I2CPMessageQueue;
@@ -68,5 +69,21 @@ class QueuedClientConnectionRunner extends ClientConnectionRunner {
         if (!success)
             throw new I2CPMessageException("I2CP write to queue failed");
     }
-    
+
+    /**
+     *  Does nothing. Client version is the core version.
+     *  @since 0.9.7
+     */
+    @Override
+    public void setClientVersion(String version) {}
+
+    /**
+     *  The client version.
+     *  @return CoreVersion.VERSION
+     *  @since 0.9.7
+     */
+    @Override
+    public String getClientVersion() {
+        return CoreVersion.VERSION;
+    }
 }