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Split net stack into eth/arp/ipv4/icmp, deferred handler responses, ping tests

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This commit is contained in:
Ian Gulliver
2026-04-11 08:15:41 +09:00
parent 34efaeefd5
commit c35c1de76a
16 changed files with 522 additions and 330 deletions
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25
firmware/include/dispatch.h
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@@ -1,10 +1,24 @@
#pragma once
#include <cstdint>
#include <functional>
#include <optional>
#include <span>
#include "wire.h"
using handler_fn = msgpack::result<size_t> (*)(uint32_t message_id, std::span<const uint8_t> payload, span_writer &out);
struct responder {
uint32_t message_id;
std::function<void(std::span<const uint8_t>)> send;
template <typename T>
void respond(const T& msg) const {
uint8_t buf[1024];
span_writer out(buf, sizeof(buf));
auto r = encode_response_into(out, message_id, msg);
if (r) send({buf, *r});
}
};
using handler_fn = void (*)(responder resp, std::span<const uint8_t> payload);
struct handler_entry {
int8_t type_id;
@@ -12,16 +26,19 @@ struct handler_entry {
};
template <typename Req, auto Fn>
msgpack::result<size_t> typed_handler(uint32_t message_id, std::span<const uint8_t> payload, span_writer &out) {
void typed_handler(responder resp, std::span<const uint8_t> payload) {
msgpack::parser p(payload.data(), static_cast<int>(payload.size()));
Req req;
auto tup = req.as_tuple();
auto r = msgpack::unpack(p, tup);
if (!r) {
return encode_response_into(out, message_id, DeviceError{1, "decode request ext_id=" +
resp.respond(DeviceError{1, "decode request ext_id=" +
std::to_string(Req::ext_id) + ": msgpack error " + std::to_string(static_cast<int>(r.error()))});
return;
}
return encode_response_into(out, message_id, Fn(req));
auto result = Fn(resp, req);
if (result)
resp.respond(*result);
}
void dispatch_init();