Initial commit

Code/Framework/AzNetworking/AzNetworking/PacketLayer/IPacket.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#pragma once
+
+#include <AzCore/RTTI/TypeInfo.h>
+#include <AzCore/RTTI/TypeSafeIntegral.h>
+#include <AzCore/std/smart_ptr/unique_ptr.h>
+
+namespace AzNetworking
+{
+    class ISerializer;
+
+    AZ_TYPE_SAFE_INTEGRAL(PacketType, uint16_t);
+
+    //! @class IPacket
+    //! @brief Base class for all packets.
+    class IPacket
+    {
+    public:
+
+        AZ_TYPE_INFO(IPacket, "{1B33BFE8-8A4B-44E3-8C8D-3B924093227C}");
+
+        virtual ~IPacket() = default;
+
+        //! Returns the packet type.
+        //! @return packet type
+        virtual PacketType GetPacketType() const = 0;
+
+        //! Returns an identical copy of the current packet instance, caller assumes ownership.
+        //! @return copy of the current packet instance, caller assumes ownership
+        virtual AZStd::unique_ptr<IPacket> Clone() const = 0;
+
+        //! Base serialize method for all serializable structures or classes to implement.
+        //! @param serializer ISerializer instance to use for serialization
+        //! @return boolean true for success, false for serialization failure
+        virtual bool Serialize(ISerializer& serializer) = 0;
+    };
+}
+
+AZ_TYPE_SAFE_INTEGRAL_SERIALIZEBINDING(AzNetworking::PacketType);

Code/Framework/AzNetworking/AzNetworking/PacketLayer/IPacketHeader.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#pragma once
+
+#include <AzCore/Preprocessor/Enum.h>
+#include <AzNetworking/PacketLayer/IPacket.h>
+#include <AzNetworking/DataStructures/FixedSizeBitset.h>
+#include <AzNetworking/ConnectionLayer/ConnectionMetrics.h>
+
+namespace AzNetworking
+{
+    AZ_ENUM_CLASS(PacketFlag
+        , Compressed
+        , MAX
+    );
+    using PacketFlagBitset = FixedSizeBitset<1, uint8_t>;
+    static_assert(aznumeric_cast<int>(PacketFlag::MAX) <= 8, "PacketFlags are limited to 1 byte (8 flags)");
+
+    //! @class IPacketHeader
+    //! @brief A packet header that lets us deduce packet type for any incoming packet.
+    class IPacketHeader
+    {
+    public:
+
+        AZ_TYPE_INFO(IPacketHeader, "{90A0EFE3-01A4-4F04-87CF-E98E94D49648}");
+
+        virtual ~IPacketHeader() = default;
+
+        //! Returns the packet type.
+        //! @return packet type
+        virtual PacketType GetPacketType() const = 0;
+
+        //! Returns the packet id.
+        //! @return PacketId
+        virtual PacketId GetPacketId() const = 0;
+
+        //! Returns if the specified packet flag is set for this packet.
+        //! @return true if the flag is set for this packet
+        virtual bool IsPacketFlagSet(PacketFlag flag) const = 0;
+
+        //! Sets the specified packet flag for this packet.
+        virtual void SetPacketFlag(PacketFlag flag, bool value) = 0;
+    };
+}