commit 739e1f8cdaee7ad448086f61412d118cb18152c5
author San Mehat <san@google.com> Tue Feb 09 19:30:34 2010 -0800
committer Android (Google) Code Review <android-gerrit@google.com> Tue Feb 09 19:30:34 2010 -0800
tree 0fa259858bc835d739550151e8f77ced37598563
parent 46d350233328b703455ae10bf3ef724fa6733662
parent 6cdd9c08565a6871ad72cd388adfdfca23532e5e

Merge "MountService: Add isSecureContainerMounted() API call"

core/java/android/os/storage/IMountService.aidl

diff --git a/core/java/android/os/storage/IMountService.aidl b/core/java/android/os/storage/IMountService.aidl
index 84e3f58..3d1ef25 100644
--- a/core/java/android/os/storage/IMountService.aidl
+++ b/core/java/android/os/storage/IMountService.aidl
@@ -109,6 +109,11 @@
     int unmountSecureContainer(String id);
 
     /*
+     * Returns true if the specified container is mounted
+     */
+    boolean isSecureContainerMounted(String id);
+
+    /*
      * Rename an unmounted secure container.
      * Returns an int consistent with MountServiceResultCode
      */

services/java/com/android/server/MountService.java

diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index 8d45033..456244a 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -37,6 +37,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 import java.util.ArrayList;
+import java.util.HashSet;
 
 import java.io.File;
 import java.io.FileReader;
@@ -116,6 +117,11 @@
     private boolean                               mBooted;
     private boolean                               mReady;
 
+    /**
+     * Private hash of currently mounted secure containers.
+     */
+    private HashSet<String> mAsecMountSet = new HashSet<String>();
+
     private void waitForReady() {
         while (mReady == false) {
             for (int retries = 5; retries > 0; retries--) {
@@ -862,6 +868,12 @@
         } catch (NativeDaemonConnectorException e) {
             rc = StorageResultCode.OperationFailedInternalError;
         }
+
+        if (rc == StorageResultCode.OperationSucceeded) {
+            synchronized (mAsecMountSet) {
+                mAsecMountSet.add(id);
+            }
+        }
         return rc;
     }
 
@@ -870,6 +882,12 @@
         waitForReady();
         warnOnNotMounted();
 
+        synchronized (mAsecMountSet) {
+            if (!mAsecMountSet.contains(id)) {
+                return StorageResultCode.OperationFailedVolumeNotMounted;
+            }
+         }
+
         int rc = StorageResultCode.OperationSucceeded;
         String cmd = String.format("asec unmount %s", id);
         try {
@@ -877,9 +895,25 @@
         } catch (NativeDaemonConnectorException e) {
             rc = StorageResultCode.OperationFailedInternalError;
         }
+
+        if (rc == StorageResultCode.OperationSucceeded) {
+            synchronized (mAsecMountSet) {
+                mAsecMountSet.remove(id);
+            }
+        }
         return rc;
     }
 
+    public boolean isSecureContainerMounted(String id) {
+        validatePermission(android.Manifest.permission.ASEC_ACCESS);
+        waitForReady();
+        warnOnNotMounted();
+
+        synchronized (mAsecMountSet) {
+            return mAsecMountSet.contains(id);
+        }
+    }
+
     public int renameSecureContainer(String oldId, String newId) {
         validatePermission(android.Manifest.permission.ASEC_RENAME);
         waitForReady();