From cd0d29d4afd1910b584fb374265548adaf3f46ef Mon Sep 17 00:00:00 2001
From: Connor O'Brien <connoro@google.com>
Date: Mon, 10 Oct 2016 14:41:35 -0700
Subject: [PATCH] Add android.hardware.boot_control@1.0 service.

Bug: 31864052
Change-Id: I982077d71a81c0bc8d081f0cc7e83180b97f2b87
Signed-off-by: Connor O'Brien <connoro@google.com>
---
 boot/1.0/default/Android.mk                   | 17 +++++++
 .../android.hardware.boot@1.0-service.rc      |  4 ++
 boot/1.0/default/service.cpp                  | 44 +++++++++++++++++++
 3 files changed, 65 insertions(+)
 create mode 100644 boot/1.0/default/android.hardware.boot@1.0-service.rc
 create mode 100644 boot/1.0/default/service.cpp

diff --git a/boot/1.0/default/Android.mk b/boot/1.0/default/Android.mk
index 563f1883ee..50fd1e4ac3 100644
--- a/boot/1.0/default/Android.mk
+++ b/boot/1.0/default/Android.mk
@@ -15,3 +15,20 @@ LOCAL_SHARED_LIBRARIES := \
     android.hardware.boot@1.0 \
 
 include $(BUILD_SHARED_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_MODULE := android.hardware.boot@1.0-service
+LOCAL_INIT_RC := android.hardware.boot@1.0-service.rc
+LOCAL_SRC_FILES := \
+    service.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    liblog \
+    libhwbinder \
+    libhardware \
+    libhidl \
+    libutils \
+    android.hardware.boot@1.0 \
+
+include $(BUILD_EXECUTABLE)
diff --git a/boot/1.0/default/android.hardware.boot@1.0-service.rc b/boot/1.0/default/android.hardware.boot@1.0-service.rc
new file mode 100644
index 0000000000..57c1aff31c
--- /dev/null
+++ b/boot/1.0/default/android.hardware.boot@1.0-service.rc
@@ -0,0 +1,4 @@
+service boot-hal-1-0 /system/bin/hw/android.hardware.boot@1.0-service
+    class hal
+    user system
+    group system readproc
diff --git a/boot/1.0/default/service.cpp b/boot/1.0/default/service.cpp
new file mode 100644
index 0000000000..b059f9a24b
--- /dev/null
+++ b/boot/1.0/default/service.cpp
@@ -0,0 +1,44 @@
+#define LOG_TAG "android.hardware.boot@1.0-service"
+#include <utils/Log.h>
+
+#include <iostream>
+#include <unistd.h>
+
+#include <android/hardware/boot/1.0/IBootControl.h>
+
+#include <hidl/IServiceManager.h>
+#include <hwbinder/IPCThreadState.h>
+#include <hwbinder/ProcessState.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+using android::sp;
+
+using android::hardware::IPCThreadState;
+using android::hardware::ProcessState;
+
+using ::android::hardware::boot::V1_0::IBootControl;
+
+int main (int /* argc */, char * /* argv */ []) {
+    ALOGI("Service is starting.");
+    const char instance[] = "bootctrl";
+    ALOGI("Retrieving default implementation of instance %s.",
+          instance);
+
+    sp<IBootControl> service = IBootControl::getService(instance, true /* getStub */);
+
+    if (service.get() == nullptr) {
+        ALOGE("IBootControl::getService returned NULL, exiting");
+        return -1;
+    }
+
+    LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
+
+    ALOGI("Registering instance %s.", instance);
+    service->registerAsService(instance);
+    ALOGI("Ready.");
+
+    ProcessState::self()->setThreadPoolMaxThreadCount(0);
+    ProcessState::self()->startThreadPool();
+    IPCThreadState::self()->joinThreadPool();
+}