Commit graph

8 commits

Author SHA1 Message Date
Kamron Batman
e1e1a7c640
fix: Bumps deps. Updates copyrights (#2353) 2026-03-05 19:36:54 -08:00
Kamron Batman
6f444488a5
fix: Fixes crashing due to bad packet assumptions. (#1829)
### Summary
- Fixes various exploits that can crash the shard when the client misbehaves.
- Clients will now be disconnected if they send packets that are marked as out of game only (new flag), while they are in-game.


> [!Note]
> **Developer Note**
> Added an `OutOfGameOnly` which should be used to flag packets as only available out of the game.
> This is the opposite of, yet not the converse to `InGameOnly`.
2024-06-07 18:08:07 -07:00
Kamron Batman
7d9bc9ff0a
fix: Fixes thread guard and cleans up incoming packet reader (#1641)
### Summary
* Fixes syntax compile error when THREADGUARD is enabled.
* Removes `int packetLength` from incoming packet handles since they aren't needed.

### Developer Notes
Incoming packet handler `SpanReader` is now properly scoped to that packet by length.
2023-12-19 17:04:09 -08:00
Kamron Batman
10a69bf754
feat: Adds a memory mirrored ring buffer for networking. (#1533)
## Breaking Changes

Incoming packet registration signature has changed to:
```cs
delegate* void OnReceiveCallback(NetState state, SpanReader reader, int packetLength);

IncomingPackets.Register(int packetID, int length, bool ingame, OnReceiveCallback onReceive);
```

For example, an incoming packet handler signature would now look like this:
```cs
public static void SomeIncomingPacket(NetState state, SpanReader reader, int packetLength)
{
    // Parse the data
}
```

## Summary

Updates the network Pipe class to use a mirrored memory technique. This technique involves mapping the same physical memory to two contiguous virtual memory spaces so the byte buffer appears duplicated. This allows writing to a double-sized array to wrap around without the need for the `CircularBuffer` classes.

In practice this allows us to use `Span<byte>` as if the buffer was a regular array.


### Bug Fixes

- [X] Fixes bad fixed length string parsing
2023-10-09 00:57:53 -07:00
Kamron Batman
8389bfacfe
chore: Updates copyright (#1448) 2023-08-09 09:09:26 -07:00
Kamron Batman
f268d5d4e2
fix: Cleans up core code (#1187)
**Only one functional change**
* Fixes a bug in LogFactory where `Warning` is being logged as `Information`

Non-functional changes:
* Updates/Fixes copyright headers
* Removes namespace scopes for core files.

View with [whitespace off](https://github.com/modernuo/ModernUO/pull/1187/files?w=1).
2022-10-10 21:47:08 -07:00
Stefano Merotta
f24b98f8e2
fix: Replaces throttlers and packet callbacks with function pointers (#1063)
Replaces multi-cast delegates with function pointers to gain 25% in performance and lower allocations.
2022-06-15 12:48:43 -07:00
Kamron Batman
5e3b42bf9c
fix(network): Adds ConnectUO (#551)
- [X] Adds ability to create new protocol extension packets
- [X] Adds freeshard protocol extension support (packet 0xF1)
- [X] Adds ConnectUO support
- [X] Adds arbitrary read for `CircularBufferReader` and `SpanReader`
2021-03-15 14:14:33 -07:00