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Allow capturing network traffic and loading it in wireshark

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This commit is contained in:
Fabian 2022-07-26 20:01:05 +09:00
parent cdfc8a0f1f
commit 00d2b35222
3 changed files with 31 additions and 0 deletions
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1
debug.html
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@ -265,6 +265,7 @@ function load_next()
<input type="button" value="Save State" id="save_state">
<input type="button" value="Load State" id="load_state"> <input type="file" style="display: none" id="load_state_input">
<input type="button" value="Memory Dump" id="memory_dump">
<input type="button" value="Capture network traffic" id="capture_network_traffic">
<input type="button" value="Disable mouse" id="toggle_mouse">
<input type="button" value="Lock mouse" id="lock_mouse">
<input type="button" value="Go fullscreen" id="fullscreen">

1
index.html
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@ -185,6 +185,7 @@
<input type="button" value="Save State" id="save_state">
<input type="button" value="Load State" id="load_state"> <input type="file" style="display: none" id="load_state_input">
<input type="button" value="Memory Dump" id="memory_dump">
<input type="button" value="Capture network traffic" id="capture_network_traffic" title="In wireshark: file -> import from hex -> tick direction indication, timestamp %s.%f">
<input type="button" value="Disable mouse" id="toggle_mouse">
<input type="button" value="Lock mouse" id="lock_mouse">
<input type="button" value="Go fullscreen" id="fullscreen">

29
src/browser/main.js
View file

@ -1632,6 +1632,35 @@
// $("memory_dump_dmp").blur();
//};
$("capture_network_traffic").onclick = function()
{
this.value = "0 packets";
let capture = [];
function do_capture(direction, data)
{
capture.push({ direction, time: performance.now() / 1000, hex_dump: hex_dump(data) });
$("capture_network_traffic").value = capture.length + " packets";
}
emulator.emulator_bus.register("net0-receive", do_capture.bind(this, "I"));
emulator.add_listener("net0-send", do_capture.bind(this, "O"));
this.onclick = function()
{
const capture_raw = capture.map(({ direction, time, hex_dump }) => {
// https://www.wireshark.org/docs/wsug_html_chunked/ChIOImportSection.html
// In wireshark: file -> import from hex -> tick direction indication, timestamp %s.%f
return direction + " " + time.toFixed(6) + hex_dump + "\n";
}).join("");
dump_file(capture_raw, "traffic.hex");
capture = [];
this.value = "0 packets";
};
};
$("save_state").onclick = async function()
{
const result = await emulator.save_state();