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// Copyright 2021 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "Common/SocketContext.h"
#include "Common/Logging/Log.h"
#include "Common/Network.h"
namespace Common
{
#ifdef _WIN32
SocketContext::SocketContext()
{
std::lock_guard<std::mutex> g(s_lock);
if (s_num_objects == 0)
{
const int ret = WSAStartup(MAKEWORD(2, 2), &s_data);
if (ret == 0)
{
INFO_LOG_FMT(COMMON, "WSAStartup succeeded, wVersion={}.{}, wHighVersion={}.{}",
int(LOBYTE(s_data.wVersion)), int(HIBYTE(s_data.wVersion)),
int(LOBYTE(s_data.wHighVersion)), int(HIBYTE(s_data.wHighVersion)));
}
else
{
// The WSAStartup function directly returns the extended error code in the return value.
// A call to the WSAGetLastError function is not needed and should not be used.
//
// Source:
// https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsastartup
ERROR_LOG_FMT(COMMON, "WSAStartup failed with error {}: {}", ret,
Common::DecodeNetworkError(ret));
}
}
s_num_objects++;
}
SocketContext::~SocketContext()
{
std::lock_guard<std::mutex> g(s_lock);
s_num_objects--;
if (s_num_objects == 0)
{
WSACleanup();
}
}
std::mutex SocketContext::s_lock;
size_t SocketContext::s_num_objects = 0;
WSADATA SocketContext::s_data;
#else
SocketContext::SocketContext() = default;
SocketContext::~SocketContext() = default;
#endif
} // namespace Common
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