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Log window: stream the hook's logs over IPC into an in-app Log panel

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Add a shared log ring (common/coop/log_ring.hpp): a lossy multi-producer /
single-consumer ring named coop_log_<pid>. The hook logs from several threads,
so producers claim a slot with fetch_add and publish each record with a
release store of its sequence; the consumer reads in order and tolerates
losing the oldest lines if it falls a whole ring behind.

The DLL's logf() now formats once and pushes every line to the ring (the file
trace stays as an opt-in mirror); the worker attaches the ring right after IPC
connect so bring-up is captured. The host (IpcServer) creates the ring at
injection time and exposes drain_logs(); a new LogPanel pulls new lines each
frame into a bounded rolling buffer and renders them with auto-scroll, a
filter, and clear. Added to the View menu (and UiState.show_log).

Verified against Phantom Brave via coop_audio_probe, which now also creates the
ring and drains it: the full hook bring-up trace streamed over IPC. All four
tests pass.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
BlackMark
2026-06-19 20:25:04 +02:00
parent 0935dccfc4
commit 9557b9ca69
15 changed files with 371 additions and 21 deletions
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21
hook/src/dllmain.cpp
View File

@@ -14,6 +14,7 @@
#include "audio_hook.hpp"
#include "coop/audio_ring.hpp"
#include "coop/log_ring.hpp"
#include "coop/shared_memory.hpp"
#include "debug_log.hpp"
#include "focus_spoof.hpp"
@@ -27,6 +28,7 @@ namespace
coop::hook::IpcClient g_ipc;
std::atomic<bool> g_running{true};
coop::SharedMemory g_audio_shm; // the host's audio ring, opened when present
coop::SharedMemory g_log_shm; // the host's log ring, opened when present
DWORD WINAPI worker_thread(LPVOID)
{
@@ -38,6 +40,24 @@ DWORD WINAPI worker_thread(LPVOID)
coop::hook::logf("worker_thread: IPC connect FAILED (no host mapping); exiting");
return 0;
}
// Attach the host's log ring first so the rest of bring-up streams to the Log
// window. The host creates it at injection time; it's normally already there.
{
const std::wstring log_name = coop::log_ring_name(GetCurrentProcessId());
if (g_log_shm.open(log_name, coop::log_ring_total_size(coop::kLogCapacity)))
{
auto* lr = g_log_shm.as<coop::LogRing>();
if (coop::log_ring_valid(*lr))
{
coop::hook::set_log_ring(lr);
}
else
{
g_log_shm.reset();
}
}
}
coop::hook::logf("worker_thread: IPC connected");
// The audio render-hook instantiates a COM enumerator on this thread.
@@ -161,6 +181,7 @@ BOOL APIENTRY DllMain(HMODULE module, DWORD reason, LPVOID reserved)
if (reserved == nullptr)
{
g_running.store(false, std::memory_order_relaxed);
coop::hook::set_log_ring(nullptr);
coop::hook::remove_focus_spoof();
coop::hook::remove_xinput_hooks();
coop::hook::remove_audio_hooks();