yuzu_tester: Add 'yuzutest' service

src/yuzu_tester/service/yuzutest.cpp

+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+#include "common/string_util.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+#include "yuzu_tester/service/yuzutest.h"
+
+namespace Service::Yuzu {
+
+constexpr u64 SERVICE_VERSION = 1;
+
+class YuzuTest final : public ServiceFramework<YuzuTest> {
+public:
+    explicit YuzuTest(std::string data, std::function<void(u32, std::string)> finish_callback)
+        : ServiceFramework{"yuzutest"}, data(std::move(data)),
+          finish_callback(std::move(finish_callback)) {
+        static const FunctionInfo functions[] = {
+            {0, &YuzuTest::Initialize, "Initialize"},
+            {1, &YuzuTest::GetServiceVersion, "GetServiceVersion"},
+            {2, &YuzuTest::GetData, "GetData"},
+            {3, &YuzuTest::SetResultCode, "SetResultCode"},
+            {4, &YuzuTest::SetResultData, "SetResultData"},
+            {5, &YuzuTest::Finish, "Finish"},
+        };
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void Initialize(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Frontend, "called");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetServiceVersion(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Frontend, "called");
+        IPC::ResponseBuilder rb{ctx, 4};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(SERVICE_VERSION);
+    }
+
+    void GetData(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Frontend, "called");
+        const auto size = ctx.GetWriteBufferSize();
+        const auto write_size = std::min(size, data.size());
+        ctx.WriteBuffer(data.data(), write_size);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(write_size);
+    }
+
+    void SetResultCode(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto code = rp.PopRaw<u32>();
+
+        LOG_INFO(Frontend, "called with result_code={:08X}", code);
+        result_code = code;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetResultData(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto buffer = ctx.ReadBuffer();
+        std::string data = Common::StringFromFixedZeroTerminatedBuffer(
+            reinterpret_cast<const char*>(buffer.data()), buffer.size());
+
+        LOG_INFO(Frontend, "called with string={}", data);
+        result_string = data;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void Finish(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Frontend, "called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+
+        finish_callback(result_code, result_string);
+    }
+
+    std::string data;
+
+    u32 result_code = 0;
+    std::string result_string;
+
+    std::function<void(u64, std::string)> finish_callback;
+};
+
+void InstallInterfaces(SM::ServiceManager& sm, std::string data,
+                       std::function<void(u32, std::string)> finish_callback) {
+    std::make_shared<YuzuTest>(data, finish_callback)->InstallAsService(sm);
+}
+
+} // namespace Service::Yuzu

src/yuzu_tester/service/yuzutest.h

+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <string>
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::Yuzu {
+
+void InstallInterfaces(SM::ServiceManager& sm, std::string data,
+                       std::function<void(u32, std::string)> finish_callback);
+
+} // namespace Service::Yuzu