Hidlize IBase and use IBase instead of IBinder.

Note: system/libhidl/base is the libhidlbase project.
system/libhidl/transport/base is the
android.hidl.base@1.0 HAL files.

Test: hidl_test

Change-Id: Ic3464b5e50c0896de9b26f44a409496f8df37c39
diff --git a/base/HidlSupport.cpp b/base/HidlSupport.cpp
index 0103d14..1e383a7 100644
--- a/base/HidlSupport.cpp
+++ b/base/HidlSupport.cpp
@@ -151,8 +151,6 @@
     return mSize == 0;
 }
 
-const char* IBase::descriptor = "android.hardware.base@0.0::IBase";
-
 // ----------------------------------------------------------------------
 // HidlInstrumentor implementation.
 HidlInstrumentor::HidlInstrumentor(const std::string &prefix) {
diff --git a/base/include/hidl/HidlSupport.h b/base/include/hidl/HidlSupport.h
index 7d649ef..0e66ceb 100644
--- a/base/include/hidl/HidlSupport.h
+++ b/base/include/hidl/HidlSupport.h
@@ -686,19 +686,6 @@
     return hidl_version(major,minor);
 }
 
-struct IBase : virtual public RefBase {
-    virtual bool isRemote() const = 0;
-    // HIDL reserved methods follow.
-    virtual ::android::hardware::Return<void> interfaceChain(
-            std::function<void(const hidl_vec<hidl_string>&)> _hidl_cb) = 0;
-    // This method notifies the interface that one or more system properties have changed.
-    // The default implementation calls report_sysprop_change() in libcutils, which in turn
-    // calls a set of registered callbacks (eg to update trace tags).
-    virtual ::android::hardware::Return<void> notifySyspropsChanged() = 0;
-    // descriptor for HIDL reserved methods.
-    static const char* descriptor;
-};
-
 #if defined(__LP64__)
 #define HAL_LIBRARY_PATH_SYSTEM "/system/lib64/hw/"
 #define HAL_LIBRARY_PATH_VENDOR "/vendor/lib64/hw/"
diff --git a/transport/Android.bp b/transport/Android.bp
index ac4cb12..4f97ff6 100644
--- a/transport/Android.bp
+++ b/transport/Android.bp
@@ -16,6 +16,7 @@
     "manager/1.0",
     "memory/1.0",
     "memory/1.0/default",
+    "base/1.0"
 ]
 
 cc_library_shared {
@@ -36,9 +37,18 @@
 
     export_include_dirs: ["include"],
 
-    generated_sources: ["android.hidl.manager@1.0_genc++"],
-    generated_headers: ["android.hidl.manager@1.0_genc++_headers"],
-    export_generated_headers: ["android.hidl.manager@1.0_genc++_headers"],
+    generated_sources: [
+        "android.hidl.manager@1.0_genc++",
+        "android.hidl.base@1.0_genc++"
+    ],
+    generated_headers: [
+        "android.hidl.manager@1.0_genc++_headers",
+        "android.hidl.base@1.0_genc++_headers"
+    ],
+    export_generated_headers: [
+        "android.hidl.manager@1.0_genc++_headers",
+        "android.hidl.base@1.0_genc++_headers"
+    ],
 
     srcs: [
         "HidlBinderSupport.cpp",
diff --git a/transport/base/1.0/Android.bp b/transport/base/1.0/Android.bp
new file mode 100644
index 0000000..0bb6b4a
--- /dev/null
+++ b/transport/base/1.0/Android.bp
@@ -0,0 +1,50 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+genrule {
+    name: "android.hidl.base@1.0_genc++",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.base@1.0",
+    srcs: [
+        "IBase.hal",
+    ],
+    out: [
+        "android/hidl/base/1.0/BaseAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hidl.base@1.0_genc++_headers",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.base@1.0",
+    srcs: [
+        "IBase.hal",
+    ],
+    out: [
+        "android/hidl/base/1.0/IBase.h",
+        "android/hidl/base/1.0/IHwBase.h",
+        "android/hidl/base/1.0/BnBase.h",
+        "android/hidl/base/1.0/BpBase.h",
+        "android/hidl/base/1.0/BsBase.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hidl.base@1.0",
+    generated_sources: ["android.hidl.base@1.0_genc++"],
+    generated_headers: ["android.hidl.base@1.0_genc++_headers"],
+    export_generated_headers: ["android.hidl.base@1.0_genc++_headers"],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "libutils",
+    ],
+}
diff --git a/transport/base/1.0/Android.mk b/transport/base/1.0/Android.mk
new file mode 100644
index 0000000..1e07a22
--- /dev/null
+++ b/transport/base/1.0/Android.mk
@@ -0,0 +1,68 @@
+# This file is autogenerated by hidl-gen. Do not edit manually.
+
+LOCAL_PATH := $(call my-dir)
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hidl.base@1.0-java
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+#
+# Build IBase.hal
+#
+GEN := $(intermediates)/android/hidl/base/1.0/IBase.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IBase.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
+        android.hidl.base@1.0::IBase
+
+$(GEN): $(LOCAL_PATH)/IBase.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_JAVA_LIBRARY)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hidl.base@1.0-java-static
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+#
+# Build IBase.hal
+#
+GEN := $(intermediates)/android/hidl/base/1.0/IBase.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IBase.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
+        android.hidl.base@1.0::IBase
+
+$(GEN): $(LOCAL_PATH)/IBase.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/transport/base/1.0/IBase.hal b/transport/base/1.0/IBase.hal
new file mode 100644
index 0000000..379213a
--- /dev/null
+++ b/transport/base/1.0/IBase.hal
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hidl.base@1.0;
+
+/*
+ * The ancestor for all interfaces.
+ *
+ * All HAL files will have this interface implicitly imported. If an interface
+ * does not explicitly extend from another interface, it will implicitly extend
+ * from IBase. (This is like java.lang.Object in Java.)
+ *
+ * Methods defined here are shared by all interfaces (this is like
+ * java.lang.Object.notify(), for example.) However, the behavior of these
+ * functions cannot be overridden.
+ */
+interface IBase {
+
+    /*
+     * Provides run-time type information for this object.
+     * For example, for the following interface definition:
+     *     package android.hardware.foo@1.0;
+     *     interface IParent {};
+     *     interface IChild {};
+     * Calling interfaceChain on an IChild object will yield the following:
+     *     ["android.hardware.foo@1.0::IChild",
+     *      "android.hardware.foo@1.0::IParent"
+     *      "android.hidl.base@1.0::IBase"]
+     *
+     * @return indicator a vector of descriptors of the run-time type of the
+     *         object.
+     */
+    interfaceChain() generates (vec<string> indicator);
+
+    /*
+     * This method notifies the interface that one or more system properties
+     * have changed. The default implementation calls
+     * (C++)  report_sysprop_change() in libcutils or
+     * (Java) android.os.SystemProperties.reportSyspropChanged,
+     * which in turn calls a set of registered callbacks (eg to update trace
+     * tags).
+     */
+    oneway notifySyspropsChanged();
+};
diff --git a/transport/include/hidl/HidlBinderSupport.h b/transport/include/hidl/HidlBinderSupport.h
index d6a308b..fb209c4 100644
--- a/transport/include/hidl/HidlBinderSupport.h
+++ b/transport/include/hidl/HidlBinderSupport.h
@@ -320,19 +320,18 @@
     {                                                                                    \
         using ::android::sp;                                                             \
         using ::android::hardware::defaultServiceManager;                                \
-        using ::android::hardware::IBinder;                                              \
         using ::android::hidl::manager::V1_0::IServiceManager;                           \
         sp<I##INTERFACE> iface;                                                          \
         const sp<IServiceManager> sm = defaultServiceManager();                          \
         if (sm != nullptr && !getStub) {                                                 \
-            sp<IBinder> binderIface;                                                     \
+            sp<::android::hidl::base::V1_0::IBase> base;                                 \
             ::android::hardware::Return<void> ret =                                      \
                 sm->get(PACKAGE "::I" #INTERFACE, serviceName.c_str(),                   \
-                    [&binderIface](sp<IBinder> iface) {                                  \
-                        binderIface = iface;                                             \
+                    [&base](sp<::android::hidl::base::V1_0::IBase> found) {              \
+                        base = found;                                                    \
                     });                                                                  \
             if (ret.getStatus().isOk()) {                                                \
-                iface = IHw##INTERFACE::asInterface(binderIface);                        \
+                iface = I##INTERFACE::castFrom(base);                                    \
                 if (iface != nullptr) {                                                  \
                     return iface;                                                        \
                 }                                                                        \
diff --git a/transport/manager/1.0/Android.bp b/transport/manager/1.0/Android.bp
index 212fd28..5cd06d6 100644
--- a/transport/manager/1.0/Android.bp
+++ b/transport/manager/1.0/Android.bp
@@ -3,7 +3,7 @@
 genrule {
     name: "android.hidl.manager@1.0_genc++",
     tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport android.hidl.manager@1.0",
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.manager@1.0",
     srcs: [
         "IServiceManager.hal",
         "IServiceNotification.hal",
@@ -17,7 +17,7 @@
 genrule {
     name: "android.hidl.manager@1.0_genc++_headers",
     tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport android.hidl.manager@1.0",
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.manager@1.0",
     srcs: [
         "IServiceManager.hal",
         "IServiceNotification.hal",
@@ -48,11 +48,13 @@
         "liblog",
         "libutils",
         "libcutils",
+        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
+        "android.hidl.base@1.0",
     ],
 }
diff --git a/transport/manager/1.0/Android.mk b/transport/manager/1.0/Android.mk
index 9721993..1d1b508 100644
--- a/transport/manager/1.0/Android.mk
+++ b/transport/manager/1.0/Android.mk
@@ -12,6 +12,10 @@
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
+LOCAL_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java \
+
+
 #
 # Build IServiceManager.hal
 #
@@ -24,7 +28,9 @@
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
 $(GEN): PRIVATE_CUSTOM_TOOL = \
         $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava -randroid.hidl:system/libhidl/transport \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
         android.hidl.manager@1.0::IServiceManager
 
 $(GEN): $(LOCAL_PATH)/IServiceManager.hal
@@ -41,7 +47,9 @@
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
 $(GEN): PRIVATE_CUSTOM_TOOL = \
         $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava -randroid.hidl:system/libhidl/transport \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
         android.hidl.manager@1.0::IServiceNotification
 
 $(GEN): $(LOCAL_PATH)/IServiceNotification.hal
@@ -60,6 +68,10 @@
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java-static \
+
+
 #
 # Build IServiceManager.hal
 #
@@ -72,7 +84,9 @@
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
 $(GEN): PRIVATE_CUSTOM_TOOL = \
         $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava -randroid.hidl:system/libhidl/transport \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
         android.hidl.manager@1.0::IServiceManager
 
 $(GEN): $(LOCAL_PATH)/IServiceManager.hal
@@ -89,7 +103,9 @@
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
 $(GEN): PRIVATE_CUSTOM_TOOL = \
         $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava -randroid.hidl:system/libhidl/transport \
+        -Ljava \
+        -randroid.hidl:system/libhidl/transport \
+        -randroid.hidl:system/libhidl/transport \
         android.hidl.manager@1.0::IServiceNotification
 
 $(GEN): $(LOCAL_PATH)/IServiceNotification.hal
diff --git a/transport/memory/1.0/Android.bp b/transport/memory/1.0/Android.bp
index 5839197..efebe7e 100644
--- a/transport/memory/1.0/Android.bp
+++ b/transport/memory/1.0/Android.bp
@@ -3,7 +3,7 @@
 genrule {
     name: "android.hidl.memory@1.0_genc++",
     tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport android.hidl.memory@1.0",
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.memory@1.0",
     srcs: [
         "IAllocator.hal",
         "IMapper.hal",
@@ -19,7 +19,7 @@
 genrule {
     name: "android.hidl.memory@1.0_genc++_headers",
     tools: ["hidl-gen"],
-    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport android.hidl.memory@1.0",
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hidl:system/libhidl/transport -randroid.hidl:system/libhidl/transport android.hidl.memory@1.0",
     srcs: [
         "IAllocator.hal",
         "IMapper.hal",
@@ -56,11 +56,13 @@
         "liblog",
         "libutils",
         "libcutils",
+        "android.hidl.base@1.0",
     ],
     export_shared_lib_headers: [
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libutils",
+        "android.hidl.base@1.0",
     ],
 }
diff --git a/transport/memory/1.0/default/Android.bp b/transport/memory/1.0/default/Android.bp
index b5079e8..4bc24a2 100644
--- a/transport/memory/1.0/default/Android.bp
+++ b/transport/memory/1.0/default/Android.bp
@@ -31,6 +31,7 @@
         "libutils",
         "libhidlbase",
         "libhidltransport",
+        "android.hidl.base@1.0",
         "android.hidl.memory@1.0",
     ],
 }
@@ -42,6 +43,7 @@
     init_rc: ["android.hidl.memory@1.0-service.rc"],
 
     shared_libs: [
+        "android.hidl.base@1.0",
         "android.hidl.memory@1.0",
         "libhidlbase",
         "libhidltransport",
diff --git a/update-makefiles.sh b/update-makefiles.sh
index 4e17f64..6a77a7d 100755
--- a/update-makefiles.sh
+++ b/update-makefiles.sh
@@ -1,12 +1,15 @@
 #!/bin/bash
 
 # TODO(b/33276472)
-
-if [ ! -d system/libhidl ] ; then
-  echo "Where is system/libhidl?";
+if [ ! -d system/libhidl/transport ] ; then
+  echo "Where is system/libhidl/transport?";
   exit 1;
 fi
 
+#base
+hidl-gen -Lmakefile -r android.hidl:system/libhidl/transport android.hidl.base@1.0
+hidl-gen -Landroidbp -r android.hidl:system/libhidl/transport android.hidl.base@1.0
+
 #manager
 hidl-gen -Lmakefile -r android.hidl:system/libhidl/transport android.hidl.manager@1.0
 hidl-gen -Landroidbp -r android.hidl:system/libhidl/transport android.hidl.manager@1.0