1 files changed, 74 insertions, 0 deletions
diff --git a/mtp/ffs/MtpPacket.h b/mtp/ffs/MtpPacket.h
new file mode 100644
index 000000000..b7570917f
--- /dev/null
+++ b/mtp/ffs/MtpPacket.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef _MTP_PACKET_H
+#define _MTP_PACKET_H
+
+#include <android-base/macros.h>
+
+#include "MtpDebug.h"
+#include "MtpTypes.h"
+
+struct usb_device;
+struct usb_request;
+
+class MtpPacket {
+
+protected:
+	uint8_t*			mBuffer;
+	// current size of the buffer
+	size_t				mBufferSize;
+	// number of bytes to add when resizing the buffer
+	size_t				mAllocationIncrement;
+	// size of the data in the packet
+	size_t				mPacketSize;
+
+public:
+	explicit			MtpPacket(int bufferSize);
+	virtual				~MtpPacket();
+
+	// sets packet size to the default container size and sets buffer to zero
+	virtual void		reset();
+
+	void				allocate(size_t length);
+	void				dump();
+	void				copyFrom(const MtpPacket& src);
+
+	uint16_t			getContainerCode() const;
+	void				setContainerCode(uint16_t code);
+
+	uint16_t			getContainerType() const;
+
+	MtpTransactionID	getTransactionID() const;
+	void				setTransactionID(MtpTransactionID id);
+
+	uint32_t			getParameter(int index) const;
+	void				setParameter(int index, uint32_t value);
+
+#ifdef MTP_HOST
+	int					transfer(struct usb_request* request);
+#endif
+
+protected:
+	uint16_t			getUInt16(int offset) const;
+	uint32_t			getUInt32(int offset) const;
+	void				putUInt16(int offset, uint16_t value);
+	void				putUInt32(int offset, uint32_t value);
+
+	DISALLOW_COPY_AND_ASSIGN(MtpPacket);
+};
+
+#endif // _MTP_PACKET_H