gtp-protocol 1.5.3

Group Text Protocol — the text-messaging sub-protocol of the Group Protocol Stack. Provides idempotent text delivery on top of the GBP base layer.
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# gtp-protocol

**Group Text Protocol** — text-messaging sub-protocol of the
[Group Protocol Stack](https://github.com/F000NKKK/Group-Protocol-Stack).

GTP is to GBP what TCP is to IP: it adds idempotent message-level semantics
on top of the GBP base layer's framing and AEAD.

## What this crate provides

* `GtpMessage` — the text message envelope; can be encoded as CBOR,
  Protobuf, or FlatBuffers (selected by `PayloadCodec`).
* `GtpClient` — stateful client that:
  * sends text messages through a `gbp_node::GroupNode` with a caller-chosen
    `PayloadCodec` (default `Cbor` for backward compat);
  * accepts incoming plaintext payloads delivered by GBP (codec echoed from
    the `payload_received` event) and rejects duplicates by `(sender_id, message_id)`.

## Example

```rust,ignore
use gtp::GtpClient;

let mut client = GtpClient::new();
let frame = client.send(&mut node, &mut sealer, target, 0xCAFE_F00D, "hello")?;
// hand `frame.wire` to your transport...
```

## License

Licensed under [Apache License, Version 2.0](../../LICENSE).