simple external socket logger

exposes a TCP log server at port 8000 for hakkun mods and sysmodules to use with minimal effort

use

• build the project
• copy build/exefs.nsp to /atmosphere/contents/0200AB7430EF0001/toolbox.json

ovl-sysmodules

• copy toolbox.json to /atmosphere/contents/0200AB7430EF0001/toolbox.json
• enable the sysmodule in the sysmodules overlay

boot2.flag

• create /atmosphere/contents/0200AB7430EF0001/boot2.flag
• reboot your switch

hakkun

add this to your project

#include "hk/sf/sf.h"
#include "hk/svc/api.h"
#include "hk/util/Stream.h"

void hk::diag::hkLogSink(const char* msg, size len) {
    static hk::Handle lightHandle = 0;
    if (!lightHandle) {
        auto res = svc::ConnectToNamedPort(&lightHandle, "hklog");
        if (res.failed())
            svc::Break(svc::BreakReason_User, nullptr, res.getValue());
    };

    hk::util::Stream stream(hk::svc::getTLS()->ipcMessageBuffer, hk::sf::cTlsBufferSize);
    stream.write(hk::sf::hipc::Header { .tag = 0, .sendBufferCount = 1, .dataWords = 8 });
    stream.write(hk::sf::hipc::Buffer(sf::hipc::BufferMode::Normal, u64(msg), len));
    auto res = svc::SendSyncRequest(lightHandle);
    if (res.failed())
        svc::Break(svc::BreakReason_User, nullptr, res.getValue());
}

supported hipc tags

• 0 - Log with newline
• 1 - Log without newline