Bluetooth: Make HciPacketizer reusable
Test: VtsHalBluetoothV1_0TargetTest passes
Change-Id: I480d156225af2a5dd879f47a897af0b01dab5663
diff --git a/bluetooth/1.0/default/hci_packetizer.h b/bluetooth/1.0/default/hci_packetizer.h
new file mode 100644
index 0000000..e9c01dc
--- /dev/null
+++ b/bluetooth/1.0/default/hci_packetizer.h
@@ -0,0 +1,54 @@
+//
+// Copyright 2017 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 <functional>
+
+#include <hidl/HidlSupport.h>
+
+#include "hci_internals.h"
+
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace hci {
+
+using ::android::hardware::hidl_vec;
+using HciPacketReadyCallback = std::function<void(void)>;
+
+class HciPacketizer {
+ public:
+ HciPacketizer(HciPacketReadyCallback packet_cb) : hci_packet_ready_cb_(packet_cb) {};
+ void OnDataReady(int fd);
+ const hidl_vec<uint8_t>& GetPacket() const;
+ HciPacketType GetPacketType() const;
+
+ protected:
+ enum HciParserState { HCI_IDLE, HCI_TYPE_READY, HCI_PAYLOAD };
+ HciParserState hci_parser_state_{HCI_IDLE};
+ HciPacketType hci_packet_type_{HCI_PACKET_TYPE_UNKNOWN};
+ uint8_t hci_packet_preamble_[HCI_PREAMBLE_SIZE_MAX];
+ hidl_vec<uint8_t> hci_packet_;
+ size_t hci_packet_bytes_remaining_;
+ size_t hci_packet_bytes_read_;
+ HciPacketReadyCallback hci_packet_ready_cb_;
+};
+
+} // namespace hci
+} // namespace bluetooth
+} // namespace hardware
+} // namespace android