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Network: Fix serialization version checks (#15477)

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This fixes some incorrect assumptions that the read and write version ranges are identical - whereas they're in fact not.
This commit is contained in:
SmallJoker
2024-11-27 18:39:57 +01:00
committed by GitHub
parent 6c324cb871
commit c175046d30
11 changed files with 46 additions and 49 deletions
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19
src/serialization.h
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@@ -50,23 +50,30 @@
28: Added "private" flag to NodeMetadata
29: Switched compression to zstd, a bit of reorganization
*/
// This represents an uninitialized or invalid format
#define SER_FMT_VER_INVALID 255
constexpr u8 SER_FMT_VER_INVALID = 255;
// Highest supported serialization version
#define SER_FMT_VER_HIGHEST_READ 29
constexpr u8 SER_FMT_VER_HIGHEST_READ = 29;
// Saved on disk version
#define SER_FMT_VER_HIGHEST_WRITE 29
constexpr u8 SER_FMT_VER_HIGHEST_WRITE = 29;
// Lowest supported serialization version
#define SER_FMT_VER_LOWEST_READ 0
constexpr u8 SER_FMT_VER_LOWEST_READ = 0;
// Lowest serialization version for writing
// Can't do < 24 anymore; we have 16-bit dynamically allocated node IDs
// in memory; conversion just won't work in this direction.
#define SER_FMT_VER_LOWEST_WRITE 24
constexpr u8 SER_FMT_VER_LOWEST_WRITE = 24;
inline bool ser_ver_supported(s32 v) {
inline bool ser_ver_supported_read(s32 v)
{
return v >= SER_FMT_VER_LOWEST_READ && v <= SER_FMT_VER_HIGHEST_READ;
}
inline bool ser_ver_supported_write(s32 v)
{
return v >= SER_FMT_VER_LOWEST_WRITE && v <= SER_FMT_VER_HIGHEST_WRITE;
}
/*
Compression functions
*/