From 86199a47e18942c49423b04eb1f3deacd6072849 Mon Sep 17 00:00:00 2001
From: Connor O'Brien <connoro@google.com>
Date: Tue, 8 Nov 2016 18:58:44 -0800
Subject: Convert update_verifier to boot HIDL HAL

Test: Flashed device and confirmed update_verifier runs successfully
Change-Id: I5bce4ece1e3ba98f57299c9cf469a5e2a5226ff2
Signed-off-by: Connor O'Brien <connoro@google.com>
---
 update_verifier/Android.mk          |  9 ++++++++-
 update_verifier/update_verifier.cpp | 31 +++++++++++++++++--------------
 2 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/update_verifier/Android.mk b/update_verifier/Android.mk
index 090db998b..5d118f873 100644
--- a/update_verifier/Android.mk
+++ b/update_verifier/Android.mk
@@ -20,7 +20,14 @@ LOCAL_CLANG := true
 LOCAL_SRC_FILES := update_verifier.cpp
 
 LOCAL_MODULE := update_verifier
-LOCAL_SHARED_LIBRARIES := libbase libcutils libhardware liblog
+LOCAL_SHARED_LIBRARIES := \
+    libbase \
+    libcutils \
+    libhardware \
+    liblog \
+    libutils \
+    libhidl \
+    android.hardware.boot@1.0
 
 LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
 LOCAL_CFLAGS := -Werror
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
index 93ac605b1..e97a3adba 100644
--- a/update_verifier/update_verifier.cpp
+++ b/update_verifier/update_verifier.cpp
@@ -45,7 +45,12 @@
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
 #include <cutils/properties.h>
-#include <hardware/boot_control.h>
+#include <android/hardware/boot/1.0/IBootControl.h>
+
+using android::sp;
+using android::hardware::boot::V1_0::IBootControl;
+using android::hardware::boot::V1_0::BoolResult;
+using android::hardware::boot::V1_0::CommandResult;
 
 constexpr auto CARE_MAP_FILE = "/data/ota_package/care_map.txt";
 constexpr int BLOCKSIZE = 4096;
@@ -142,21 +147,18 @@ int main(int argc, char** argv) {
     LOG(INFO) << "Started with arg " << i << ": " << argv[i];
   }
 
-  const hw_module_t* hw_module;
-  if (hw_get_module("bootctrl", &hw_module) != 0) {
+  sp<IBootControl> module = IBootControl::getService("bootctrl");
+  if (module == nullptr) {
     LOG(ERROR) << "Error getting bootctrl module.";
     return -1;
   }
 
-  boot_control_module_t* module = reinterpret_cast<boot_control_module_t*>(
-      const_cast<hw_module_t*>(hw_module));
-  module->init(module);
-
-  unsigned current_slot = module->getCurrentSlot(module);
-  int is_successful= module->isSlotMarkedSuccessful(module, current_slot);
-  LOG(INFO) << "Booting slot " << current_slot << ": isSlotMarkedSuccessful=" << is_successful;
+  uint32_t current_slot = module->getCurrentSlot();
+  BoolResult is_successful = module->isSlotMarkedSuccessful(current_slot);
+  LOG(INFO) << "Booting slot " << current_slot << ": isSlotMarkedSuccessful="
+            << static_cast<int32_t>(is_successful);
 
-  if (is_successful == 0) {
+  if (is_successful == BoolResult::FALSE) {
     // The current slot has not booted successfully.
     char verity_mode[PROPERTY_VALUE_MAX];
     if (property_get("ro.boot.veritymode", verity_mode, "") == -1) {
@@ -175,9 +177,10 @@ int main(int argc, char** argv) {
       return -1;
     }
 
-    int ret = module->markBootSuccessful(module);
-    if (ret != 0) {
-      LOG(ERROR) << "Error marking booted successfully: " << strerror(-ret);
+    CommandResult cr;
+    module->markBootSuccessful([&cr](CommandResult result) { cr = result; });
+    if (!cr.success) {
+      LOG(ERROR) << "Error marking booted successfully: " << cr.errMsg;
       return -1;
     }
     LOG(INFO) << "Marked slot " << current_slot << " as booted successfully.";
-- 
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