2 files changed, 115 insertions, 0 deletions
diff --git a/packages/DefaultContainerService/jni/Android.mk b/packages/DefaultContainerService/jni/Android.mk
new file mode 100644
index 0000000..a2febec
--- /dev/null
+++ b/packages/DefaultContainerService/jni/Android.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_PRELINK_MODULE := false
+
+LOCAL_SRC_FILES := \
+    com_android_defcontainer_MeasurementUtils.cpp
+
+LOCAL_C_INCLUDES += \
+    $(JNI_H_INCLUDES)
+
+LOCAL_SHARED_LIBRARIES := \
+    libnativehelper \
+    libutils
+
+LOCAL_STATIC_LIBRARIES := \
+    libdiskusage
+
+LOCAL_MODULE := libdefcontainer_jni
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_SHARED_LIBRARY)
+\ No newline at end of file
diff --git a/packages/DefaultContainerService/jni/com_android_defcontainer_MeasurementUtils.cpp b/packages/DefaultContainerService/jni/com_android_defcontainer_MeasurementUtils.cpp
new file mode 100644
index 0000000..6579f95
--- /dev/null
+++ b/packages/DefaultContainerService/jni/com_android_defcontainer_MeasurementUtils.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "DefContainer-JNI"
+
+#include <JNIHelp.h>
+
+#include <diskusage/dirsize.h>
+#include <utils/Log.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+
+namespace android {
+
+static jlong native_measureDirectory(JNIEnv* env, jobject clazz, jstring directory) {
+    jlong ret = 0L;
+
+    const char* path = env->GetStringUTFChars(directory, NULL);
+    if (path == NULL) {
+        return ret;
+    }
+
+    int dirfd = open(path, O_DIRECTORY, O_RDONLY);
+    if (dirfd < 0) {
+        LOGI("error opening: %s: %s", path, strerror(errno));
+    } else {
+        ret = calculate_dir_size(dirfd);
+        close(dirfd);
+    }
+
+    env->ReleaseStringUTFChars(directory, path);
+
+    return ret;
+}
+
+static const JNINativeMethod g_methods[] = {
+    { "native_measureDirectory", "(Ljava/lang/String;)J", (void*)native_measureDirectory },
+};
+
+int register_com_android_defcontainer(JNIEnv *env) {
+    if (jniRegisterNativeMethods(
+            env, "com/android/defcontainer/MeasurementUtils", g_methods, NELEM(g_methods)) < 0) {
+        return JNI_ERR;
+    }
+
+    return JNI_VERSION_1_6;
+}
+
+} // namespace android
+
+int JNI_OnLoad(JavaVM *jvm, void* reserved) {
+    JNIEnv *env;
+
+    if (jvm->GetEnv((void**)&env, JNI_VERSION_1_6)) {
+        return JNI_ERR;
+    }
+
+    return android::register_com_android_defcontainer(env);
+}