From 2f272c0551f984e83bc5abaf240e0dddb38a3326 Mon Sep 17 00:00:00 2001
From: Yabin Cui <yabinc@google.com>
Date: Fri, 24 Jun 2016 18:22:02 -0700
Subject: Create bootloader_message static library.

bootloader_messages merges bootloader_message_writer
and bootloader.cpp, so we can use the same library to
manage bootloader_message in normal boot and recovery mode.

Bug: 29582118

Change-Id: I9efdf776ef8f02b53911ff43a518e035e0c29618
---
 recovery.cpp | 44 +++++++++++++++++++++++++++++---------------
 1 file changed, 29 insertions(+), 15 deletions(-)

(limited to 'recovery.cpp')

diff --git a/recovery.cpp b/recovery.cpp
index 98148af0a..c4b36557b 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -44,6 +44,7 @@
 #include <android-base/parseint.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
+#include <bootloader_message/bootloader_message.h>
 #include <cutils/android_reboot.h>
 #include <cutils/properties.h>
 #include <log/logger.h> /* Android Log packet format */
@@ -52,7 +53,6 @@
 #include <healthd/BatteryMonitor.h>
 
 #include "adb_install.h"
-#include "bootloader.h"
 #include "common.h"
 #include "device.h"
 #include "error_code.h"
@@ -303,9 +303,13 @@ static void redirect_stdio(const char* filename) {
 //   - the contents of COMMAND_FILE (one per line)
 static void
 get_args(int *argc, char ***argv) {
-    struct bootloader_message boot;
-    memset(&boot, 0, sizeof(boot));
-    get_bootloader_message(&boot);  // this may fail, leaving a zeroed structure
+    bootloader_message boot = {};
+    std::string err;
+    if (!read_bootloader_message(&boot, &err)) {
+        LOGE("%s\n", err.c_str());
+        // If fails, leave a zeroed bootloader_message.
+        memset(&boot, 0, sizeof(boot));
+    }
     stage = strndup(boot.stage, sizeof(boot.stage));
 
     if (boot.command[0] != 0 && boot.command[0] != 255) {
@@ -367,16 +371,20 @@ get_args(int *argc, char ***argv) {
         strlcat(boot.recovery, (*argv)[i], sizeof(boot.recovery));
         strlcat(boot.recovery, "\n", sizeof(boot.recovery));
     }
-    set_bootloader_message(&boot);
+    if (!write_bootloader_message(boot, &err)) {
+        LOGE("%s\n", err.c_str());
+    }
 }
 
 static void
 set_sdcard_update_bootloader_message() {
-    struct bootloader_message boot;
-    memset(&boot, 0, sizeof(boot));
+    bootloader_message boot = {};
     strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
     strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
-    set_bootloader_message(&boot);
+    std::string err;
+    if (!write_bootloader_message(boot, &err)) {
+        LOGE("%s\n", err.c_str());
+    }
 }
 
 // Read from kernel log into buffer and write out to file.
@@ -537,9 +545,11 @@ finish_recovery(const char *send_intent) {
     copy_logs();
 
     // Reset to normal system boot so recovery won't cycle indefinitely.
-    struct bootloader_message boot;
-    memset(&boot, 0, sizeof(boot));
-    set_bootloader_message(&boot);
+    bootloader_message boot = {};
+    std::string err;
+    if (!write_bootloader_message(boot, &err)) {
+        LOGE("%s\n", err.c_str());
+    }
 
     // Remove the command file, so recovery won't repeat indefinitely.
     if (has_cache) {
@@ -916,8 +926,9 @@ static bool check_wipe_package(size_t wipe_package_size) {
         return false;
     }
     std::string wipe_package;
-    if (!read_wipe_package(wipe_package_size, &wipe_package)) {
-        LOGE("Failed to read wipe package.\n");
+    std::string err_str;
+    if (!read_wipe_package(&wipe_package, wipe_package_size, &err_str)) {
+        LOGE("Failed to read wipe package: %s\n", err_str.c_str());
         return false;
     }
     if (!verify_package(reinterpret_cast<const unsigned char*>(wipe_package.data()),
@@ -1369,7 +1380,7 @@ static bool is_battery_ok() {
 }
 
 static void set_retry_bootloader_message(int retry_count, int argc, char** argv) {
-    struct bootloader_message boot {};
+    bootloader_message boot = {};
     strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
     strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
 
@@ -1388,7 +1399,10 @@ static void set_retry_bootloader_message(int retry_count, int argc, char** argv)
         snprintf(buffer, sizeof(buffer), "--retry_count=%d\n", retry_count+1);
         strlcat(boot.recovery, buffer, sizeof(boot.recovery));
     }
-    set_bootloader_message(&boot);
+    std::string err;
+    if (!write_bootloader_message(boot, &err)) {
+        LOGE("%s\n", err.c_str());
+    }
 }
 
 static ssize_t logbasename(
-- 
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