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b6518caa9c
The fixture check now also reads every recorded client game message with the struct the server reads it with (GameMessageHandler::CreateReceived) and writes it again: it must read the whole message and give back the same bits. Game message fields are decoded with the server's structs in the fixture tests. A synthetic fixture, built in the test from the server's own structs (login, position update, a client game message), goes through the export steps (portable, anonymised, saved, read again) and passes the same checks; recorded fixtures stay in tests/fixtures-local and are never committed. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
32 lines
1.4 KiB
C++
32 lines
1.4 KiB
C++
#ifndef __GAMEMESSAGEDECODER__H__
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#define __GAMEMESSAGEDECODER__H__
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#include <optional>
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#include "BitStream.h"
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#include "json.hpp"
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#include "MessageType/Game.h"
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/**
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* Reads a game message's fields for the dashboard's message inspector, using the server's own typed message struct
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* and its Deserialize, so what is shown is exactly what the server reads. Messages the server has no typed struct
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* for (the ones handled by reading the stream inline) aren't decoded; the inspector shows their bytes instead.
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*/
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namespace GameMessageDecoder {
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// Whether a message sent in this direction has a typed struct
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bool CanDecode(MessageType::Game messageId, bool toServer);
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// The message's fields, read from `payload` (the bits after the object ID and message ID), or nullopt when it has
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// no typed struct or doesn't read cleanly
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std::optional<nlohmann::json> Decode(MessageType::Game messageId, bool toServer, RakNet::BitStream& payload);
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/**
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* Reads a message a client sent with the struct the server reads it with, and writes it again. nullopt when the
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* server has no typed struct for it or it doesn't read; otherwise whether it read the whole message (padding
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* after the last field aside) and the same bits came back. The capture fixture tests run it on every recorded client message.
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*/
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std::optional<bool> RoundTripReceived(MessageType::Game messageId, RakNet::BitStream& payload);
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}
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#endif //!__GAMEMESSAGEDECODER__H__
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