Move some system services to separate directories

Refactored the directory structure so that services can be optionally
excluded. This is step 1. Will be followed by another change that makes
it possible to remove services from the build.

Change-Id: Ideacedfd34b5e213217ad3ff4ebb21c4a8e73f85

1 files changed, 157 insertions, 0 deletions

diff --git a/services/core/jni/com_android_server_UsbDeviceManager.cpp b/services/core/jni/com_android_server_UsbDeviceManager.cpp
new file mode 100644
index 0000000..3551733
--- /dev/null
+++ b/services/core/jni/com_android_server_UsbDeviceManager.cpp
@@ -0,0 +1,157 @@
+/*
+ * 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 "UsbDeviceManagerJNI"
+#include "utils/Log.h"
+
+#include "jni.h"
+#include "JNIHelp.h"
+#include "android_runtime/AndroidRuntime.h"
+#include "android_runtime/Log.h"
+
+#include <stdio.h>
+#include <asm/byteorder.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/usb/f_accessory.h>
+
+#define DRIVER_NAME "/dev/usb_accessory"
+
+namespace android
+{
+
+static struct parcel_file_descriptor_offsets_t
+{
+    jclass mClass;
+    jmethodID mConstructor;
+} gParcelFileDescriptorOffsets;
+
+static void checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) {
+    if (env->ExceptionCheck()) {
+        ALOGE("An exception was thrown by callback '%s'.", methodName);
+        LOGE_EX(env);
+        env->ExceptionClear();
+    }
+}
+
+static void set_accessory_string(JNIEnv *env, int fd, int cmd, jobjectArray strArray, int index)
+{
+    char buffer[256];
+
+    buffer[0] = 0;
+    int length = ioctl(fd, cmd, buffer);
+    if (buffer[0]) {
+        jstring obj = env->NewStringUTF(buffer);
+        env->SetObjectArrayElement(strArray, index, obj);
+        env->DeleteLocalRef(obj);
+    }
+}
+
+
+static jobjectArray android_server_UsbDeviceManager_getAccessoryStrings(JNIEnv *env, jobject thiz)
+{
+    int fd = open(DRIVER_NAME, O_RDWR);
+    if (fd < 0) {
+        ALOGE("could not open %s", DRIVER_NAME);
+        return NULL;
+    }
+    jclass stringClass = env->FindClass("java/lang/String");
+    jobjectArray strArray = env->NewObjectArray(6, stringClass, NULL);
+    if (!strArray) goto out;
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_MANUFACTURER, strArray, 0);
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_MODEL, strArray, 1);
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_DESCRIPTION, strArray, 2);
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_VERSION, strArray, 3);
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_URI, strArray, 4);
+    set_accessory_string(env, fd, ACCESSORY_GET_STRING_SERIAL, strArray, 5);
+
+out:
+    close(fd);
+    return strArray;
+}
+
+static jobject android_server_UsbDeviceManager_openAccessory(JNIEnv *env, jobject thiz)
+{
+    int fd = open(DRIVER_NAME, O_RDWR);
+    if (fd < 0) {
+        ALOGE("could not open %s", DRIVER_NAME);
+        return NULL;
+    }
+    jobject fileDescriptor = jniCreateFileDescriptor(env, fd);
+    if (fileDescriptor == NULL) {
+        return NULL;
+    }
+    return env->NewObject(gParcelFileDescriptorOffsets.mClass,
+        gParcelFileDescriptorOffsets.mConstructor, fileDescriptor);
+}
+
+static jboolean android_server_UsbDeviceManager_isStartRequested(JNIEnv *env, jobject thiz)
+{
+    int fd = open(DRIVER_NAME, O_RDWR);
+    if (fd < 0) {
+        ALOGE("could not open %s", DRIVER_NAME);
+        return false;
+    }
+    int result = ioctl(fd, ACCESSORY_IS_START_REQUESTED);
+    close(fd);
+    return (result == 1);
+}
+
+static jint android_server_UsbDeviceManager_getAudioMode(JNIEnv *env, jobject thiz)
+{
+    int fd = open(DRIVER_NAME, O_RDWR);
+    if (fd < 0) {
+        ALOGE("could not open %s", DRIVER_NAME);
+        return false;
+    }
+    int result = ioctl(fd, ACCESSORY_GET_AUDIO_MODE);
+    close(fd);
+    return result;
+}
+
+static JNINativeMethod method_table[] = {
+    { "nativeGetAccessoryStrings",  "()[Ljava/lang/String;",
+                                    (void*)android_server_UsbDeviceManager_getAccessoryStrings },
+    { "nativeOpenAccessory",        "()Landroid/os/ParcelFileDescriptor;",
+                                    (void*)android_server_UsbDeviceManager_openAccessory },
+    { "nativeIsStartRequested",     "()Z",
+                                    (void*)android_server_UsbDeviceManager_isStartRequested },
+    { "nativeGetAudioMode",         "()I",
+                                    (void*)android_server_UsbDeviceManager_getAudioMode },
+};
+
+int register_android_server_UsbDeviceManager(JNIEnv *env)
+{
+    jclass clazz = env->FindClass("com/android/server/usb/UsbDeviceManager");
+    if (clazz == NULL) {
+        ALOGE("Can't find com/android/server/usb/UsbDeviceManager");
+        return -1;
+    }
+
+    clazz = env->FindClass("android/os/ParcelFileDescriptor");
+    LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.ParcelFileDescriptor");
+    gParcelFileDescriptorOffsets.mClass = (jclass) env->NewGlobalRef(clazz);
+    gParcelFileDescriptorOffsets.mConstructor = env->GetMethodID(clazz, "<init>", "(Ljava/io/FileDescriptor;)V");
+    LOG_FATAL_IF(gParcelFileDescriptorOffsets.mConstructor == NULL,
+                 "Unable to find constructor for android.os.ParcelFileDescriptor");
+
+    return jniRegisterNativeMethods(env, "com/android/server/usb/UsbDeviceManager",
+            method_table, NELEM(method_table));
+}
+
+};