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Adding WASM support #64

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1 change: 1 addition & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ serde_json = { version = "1.0" }
erased-serde = "0.4"
pyo3 = { version = "0.20", features = ["extension-module"], optional=true}
log = { version = "0.4", optional = true }
wasm-bindgen = "0.2.92"

[dev-dependencies]
criterion = "0.5"
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40 changes: 40 additions & 0 deletions index.html
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@@ -0,0 +1,40 @@
<!doctype html>
<html lang="en-US">
<head>
<meta charset="utf-8" />
<title>Scalpel using WASM</title>
</head>
<body>

<h1>Scalpel using WASM</h1>
<h2>Byte Stream to be dissected</h2>
<p id="byteStream"></p>

<button id="dissectButton">Dissect Packet</button>
<div id="output"></div>

<script type="module">
import init, { dissect_packet } from "./pkg/scalpel.js";

const byteStream = "003096e6fc3900309605283888470001ddff45c0002800030000ff06a4e80a0102010a2200012af90017983210058dd58ea55010102099cd00000000";

async function initialize() {
await init();
showByteStream();
document.getElementById('dissectButton').addEventListener('click', handleDissectClick);
}

function handleDissectClick() {
const result = dissect_packet(byteStream);
document.getElementById('output').innerText = result;
}

function showByteStream() {
document.getElementById('byteStream').innerText = byteStream;
}

window.onload = initialize;
</script>

</body>
</html>
17 changes: 17 additions & 0 deletions src/lib.rs
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Expand Up @@ -57,6 +57,23 @@ pub use types::{ENCAP_TYPE_ETH, ENCAP_TYPE_LINUX_SLL, ENCAP_TYPE_LINUX_SLL2};
#[cfg(feature = "python-bindings")]
use pyo3::prelude::*;

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn dissect_packet(packet: String) -> String {
let _ = layers::register_defaults();

let packet = hex::decode(packet);

let packet = packet.unwrap();

let p = Packet::from_bytes(&packet, ENCAP_TYPE_ETH);

let p = p.unwrap();

serde_json::to_string_pretty(&p).unwrap()
}

/// Python bindings for packet dissection and sculpting in Rust (scalpel)
#[cfg(feature = "python-bindings")]
#[pymodule]
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