Merge change 23388 into eclair

* changes:
  DDMS now queries the VM for its features.

tools/ddms/libs/ddmlib/src/com/android/ddmlib/Client.java

@@ -604,7 +604,7 @@ public class Client {
                         "Good handshake from client, sending HELO to " + mClientData.getPid());
                     JdwpPacket.consumeHandshake(mReadBuffer);
                     mConnState = ST_NEED_DDM_PKT;
-                    HandleHello.sendHELO(this, SERVER_PROTOCOL_VERSION);
+                    HandleHello.sendHelloCommands(this, SERVER_PROTOCOL_VERSION);
                     // see if we have another packet in the buffer
                     return getJdwpPacket();
                 case JdwpPacket.HANDSHAKE_BAD:

tools/ddms/libs/ddmlib/src/com/android/ddmlib/ClientData.java

@@ -24,6 +24,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -99,6 +100,18 @@ public class ClientData {
      */
     public final static String HEAP_OBJECTS_ALLOCATED = "objectsAllocated"; // $NON-NLS-1$
 
+    /**
+     * String for feature enabling starting/stopping method profiling
+     * @see #hasFeature(String)
+     */
+    public final static String FEATURE_PROFILING = "method-trace-profiling"; // $NON-NLS-1$
+
+    /**
+     * String for feature allowing to dump hprof files
+     * @see #hasFeature(String)
+     */
+    public final static String FEATURE_HPROF = "hprof-heap-dump"; // $NON-NLS-1$
+
     // is this a DDM-aware client?
     private boolean mIsDdmAware;
 
@@ -114,6 +127,9 @@ public class ClientData {
     // how interested are we in a debugger?
     private int mDebuggerInterest;
 
+    // List of supported feature by the client.
+    private final HashSet<String> mFeatures = new HashSet<String>();
+
     // Thread tracking (THCR, THDE).
     private TreeMap<Integer,ThreadInfo> mThreadMap;
 
@@ -498,5 +514,21 @@ public class ClientData {
     public synchronized AllocationInfo[] getAllocations() {
         return mAllocations;
     }
+
+    void addFeature(String feature) {
+        mFeatures.add(feature);
+    }
+
+    /**
+     * Returns true if the {@link Client} supports the given <var>feature</var>
+     * @param feature The feature to test.
+     * @return true if the feature is supported
+     *
+     * @see ClientData#FEATURE_PROFILING
+     * @see ClientData#FEATURE_HPROF
+     */
+    public boolean hasFeature(String feature) {
+        return mFeatures.contains(feature);
+    }
 }
 

tools/ddms/libs/ddmlib/src/com/android/ddmlib/HandleHello.java

@@ -29,7 +29,6 @@ final class HandleHello extends ChunkHandler {
 
     private static final HandleHello mInst = new HandleHello();
 
-
     private HandleHello() {}
 
     /**
@@ -55,6 +54,18 @@ final class HandleHello extends ChunkHandler {
         Log.d("ddm-hello", "Now disconnected: " + client);
     }
 
+    /**
+     * Sends HELLO-type commands to the VM after a good handshake.
+     * @param client
+     * @param serverProtocolVersion
+     * @throws IOException
+     */
+    public static void sendHelloCommands(Client client, int serverProtocolVersion)
+            throws IOException {
+        sendHELO(client, serverProtocolVersion);
+        sendFEAT(client);
+    }
+
     /**
      * Chunk handler entry point.
      */
@@ -141,6 +152,7 @@ final class HandleHello extends ChunkHandler {
         for (i = 0; i < featureCount; i++) {
             int len = data.getInt();
             String feature = getString(data, len);
+            client.getClientData().addFeature(feature);
 
             Log.d("ddm-hello", "Feature: " + feature);
         }
@@ -160,6 +172,5 @@ final class HandleHello extends ChunkHandler {
         Log.d("ddm-heap", "Sending " + name(CHUNK_FEAT));
         client.sendAndConsume(packet, mInst);
     }
-
 }
 

tools/ddms/libs/ddmuilib/src/com/android/ddmuilib/InfoPanel.java

@@ -39,11 +39,15 @@ public class InfoPanel extends TablePanel {
         "App description:",
         "VM version:",
         "Process ID:",
+        "Supports Profiling Control:",
+        "Supports HPROF Control:",
     };
     private static final int ENT_DDM_AWARE          = 0;
     private static final int ENT_APP_DESCR          = 1;
     private static final int ENT_VM_VERSION         = 2;
     private static final int ENT_PROCESS_ID         = 3;
+    private static final int ENT_SUPPORTS_PROFILING = 4;
+    private static final int ENT_SUPPORTS_HPROF     = 5;
 
     /**
      * Create our control(s).
@@ -160,6 +164,10 @@ public class InfoPanel extends TablePanel {
             item.setText(1, isDdmAware);
             item = mTable.getItem(ENT_PROCESS_ID);
             item.setText(1, pid);
+            item = mTable.getItem(ENT_SUPPORTS_PROFILING);
+            item.setText(1, Boolean.toString(cd.hasFeature(ClientData.FEATURE_PROFILING)));
+            item = mTable.getItem(ENT_SUPPORTS_HPROF);
+            item.setText(1, Boolean.toString(cd.hasFeature(ClientData.FEATURE_HPROF)));
         }
 
         mCol2.pack();