1 files changed, 53 insertions, 0 deletions
diff --git a/minadbd/minadbd_types.h b/minadbd/minadbd_types.h
new file mode 100644
index 000000000..7bd69096a
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+++ b/minadbd/minadbd_types.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+// The message between recovery and minadbd is 8 bytes in size unless the length is explicitly
+// specified. Both the command and status has the format |prefix(4 bytes) + encoded enum(4 bytes)|.
+constexpr size_t kMinadbdMessageSize = 8;
+constexpr char const kMinadbdCommandPrefix[] = "COMD";
+constexpr char const kMinadbdStatusPrefix[] = "STAT";
+
+enum MinadbdErrorCode : int {
+  kMinadbdSuccess = 0,
+  kMinadbdArgumentsParsingError = 1,
+  kMinadbdSocketIOError = 2,
+  kMinadbdMessageFormatError = 3,
+  kMinadbdAdbVersionError = 4,
+  kMinadbdPackageSizeError = 5,
+  kMinadbdFuseStartError = 6,
+  kMinadbdUnsupportedCommandError = 7,
+  kMinadbdCommandExecutionError = 8,
+  kMinadbdErrorUnknown = 9,
+};
+
+enum class MinadbdCommandStatus : uint32_t {
+  kSuccess = 0,
+  kFailure = 1,
+};
+
+enum class MinadbdCommands : uint32_t {
+  kInstall = 0,
+  kUiPrint = 1,
+  kError = 2,
+};
+
+static_assert(kMinadbdMessageSize == sizeof(kMinadbdCommandPrefix) - 1 + sizeof(MinadbdCommands));
+static_assert(kMinadbdMessageSize ==
+              sizeof(kMinadbdStatusPrefix) - 1 + sizeof(MinadbdCommandStatus));