as a debug option SrufaceFlinger can now connect to DDMS
this is disabled by default. To enable:
setprop debug.sf.ddms 1
this debug option requires to restart SurfaceFlinger
Change-Id: Ic2f8050b29911b55bcd21721648b6978700c277d
diff --git a/services/surfaceflinger/DdmConnection.cpp b/services/surfaceflinger/DdmConnection.cpp
new file mode 100644
index 0000000..467a915
--- /dev/null
+++ b/services/surfaceflinger/DdmConnection.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#include <android_runtime/AndroidRuntime.h>
+
+#include "jni.h"
+#include "DdmConnection.h"
+
+extern "C" jint Java_com_android_internal_util_WithFramework_registerNatives(
+ JNIEnv* env, jclass clazz);
+
+namespace android {
+
+void DdmConnection::start(const char* name) {
+ JavaVM* vm;
+ JNIEnv* env;
+
+ // start a VM
+ JavaVMInitArgs args;
+ JavaVMOption opt;
+
+ opt.optionString =
+ "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
+
+ args.version = JNI_VERSION_1_4;
+ args.options = &opt;
+ args.nOptions = 1;
+ args.ignoreUnrecognized = JNI_FALSE;
+
+ if (JNI_CreateJavaVM(&vm, &env, &args) == 0) {
+ jclass startClass;
+ jmethodID startMeth;
+
+ // register native code
+ if (Java_com_android_internal_util_WithFramework_registerNatives(env, 0) == 0) {
+ // set our name by calling DdmHandleAppName.setAppName()
+ startClass = env->FindClass("android/ddm/DdmHandleAppName");
+ if (startClass) {
+ startMeth = env->GetStaticMethodID(startClass,
+ "setAppName", "(Ljava/lang/String;)V");
+ if (startMeth) {
+ jstring str = env->NewStringUTF(name);
+ env->CallStaticVoidMethod(startClass, startMeth, str);
+ env->DeleteLocalRef(str);
+ }
+ }
+
+ // initialize DDMS communication by calling
+ // DdmRegister.registerHandlers()
+ startClass = env->FindClass("android/ddm/DdmRegister");
+ if (startClass) {
+ startMeth = env->GetStaticMethodID(startClass,
+ "registerHandlers", "()V");
+ if (startMeth) {
+ env->CallStaticVoidMethod(startClass, startMeth);
+ }
+ }
+ }
+ }
+}
+
+}; // namespace android