Network: First commit
Former-commit-id: ec8697acc51569f5043e4f70e4cf42f1c5dc487c
This commit is contained in:
Lynix
639
src/Nazara/Network/Win32/SocketImpl.cpp
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639
src/Nazara/Network/Win32/SocketImpl.cpp
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@@ -0,0 +1,639 @@
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Network module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Network/Win32/SocketImpl.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/Log.hpp>
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#include <Nazara/Network/Win32/IpAddressImpl.hpp>
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#include <Mstcpip.h>
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#include <Nazara/Network/Debug.hpp>
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namespace Nz
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{
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SocketHandle SocketImpl::Accept(SocketHandle handle, IpAddress* address, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = static_cast<int>(nameBuffer.size());
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SocketHandle newClient = accept(handle, reinterpret_cast<sockaddr*>(&nameBuffer), &bufferLength);
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if (newClient != InvalidHandle)
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{
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if (address)
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*address = IpAddressImpl::FromSockAddr(reinterpret_cast<const sockaddr*>(&nameBuffer));
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if (error)
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*error = SocketError_NoError;
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}
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else
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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}
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return newClient;
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}
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SocketState SocketImpl::Bind(SocketHandle handle, const IpAddress& address, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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NazaraAssert(address.IsValid(), "Invalid address");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = IpAddressImpl::ToSockAddr(address, nameBuffer.data());
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if (bind(handle, reinterpret_cast<const sockaddr*>(&nameBuffer), bufferLength) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return SocketState_NotConnected;
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}
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if (error)
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*error = SocketError_NoError;
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return SocketState_Bound;
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}
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SocketHandle SocketImpl::Create(NetProtocol protocol, SocketType type, SocketError* error)
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{
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NazaraAssert(protocol != NetProtocol_Any, "Any protocol is not supported for socket creation");
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NazaraAssert(type <= SocketType_Max, "Type has value out of enum");
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SocketHandle handle = socket(TranslateNetProtocolToAF(protocol), TranslateSocketTypeToSock(type), 0);
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if (handle == InvalidHandle && error != nullptr)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return handle;
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}
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void SocketImpl::Close(SocketHandle handle)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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if (closesocket(handle) == SOCKET_ERROR)
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NazaraWarning("Failed to close socket: " + Error::GetLastSystemError(WSAGetLastError()));
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}
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void SocketImpl::ClearErrorCode(SocketHandle handle)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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if (GetLastError(handle, nullptr) < 0)
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NazaraWarning("Failed to clear socket error code: " + Error::GetLastSystemError(WSAGetLastError()));
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}
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SocketState SocketImpl::Connect(SocketHandle handle, const IpAddress& address, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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NazaraAssert(address.IsValid(), "Invalid address");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = IpAddressImpl::ToSockAddr(address, nameBuffer.data());
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if (error)
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*error = SocketError_NoError;
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// Clear socket error status
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ClearErrorCode(handle);
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if (connect(handle, reinterpret_cast<const sockaddr*>(nameBuffer.data()), bufferLength) == SOCKET_ERROR)
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{
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int errorCode = WSAGetLastError();
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switch (errorCode) //< Check for "normal errors" first
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{
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case WSAEALREADY:
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case WSAEWOULDBLOCK:
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return SocketState_Connecting;
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case WSAEISCONN:
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return SocketState_Connected;
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}
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if (error)
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{
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if (errorCode == WSAEADDRNOTAVAIL)
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*error = SocketError_ConnectionRefused; //< ConnectionRefused seems more legit than AddressNotAvailable in connect case
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else
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*error = TranslateWSAErrorToSocketError(errorCode);
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}
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return SocketState_NotConnected;
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}
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return SocketState_Connected;
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}
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SocketState SocketImpl::Connect(SocketHandle handle, const IpAddress& address, UInt64 msTimeout, SocketError* error)
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{
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SocketState state = Connect(handle, address, error);
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if (state == SocketState_Connecting)
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{
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// http://developerweb.net/viewtopic.php?id=3196
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fd_set localSet;
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FD_ZERO(&localSet);
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FD_SET(handle, &localSet);
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timeval tv;
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tv.tv_sec = static_cast<long>(msTimeout / 1000ULL);
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tv.tv_usec = static_cast<long>((msTimeout % 1000ULL) * 1000ULL);
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int ret = select(0, nullptr, &localSet, &localSet, (msTimeout > 0) ? &tv : nullptr);
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if (ret > 0)
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{
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int code = GetLastErrorCode(handle, error);
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if (code < 0) //< GetLastSocketError() failed
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return SocketState_NotConnected;
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if (code)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(code);
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return SocketState_NotConnected;
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}
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}
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else if (ret == 0)
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{
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if (error)
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*error = SocketError_TimedOut;
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return SocketState_NotConnected;
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}
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else
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return SocketState_NotConnected;
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}
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if (error)
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*error = SocketError_NoError;
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state = SocketState_Connected;
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}
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return state;
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}
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bool SocketImpl::Initialize()
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{
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int errorCode = WSAStartup(MAKEWORD(2, 2), &s_WSA);
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if (errorCode != 0)
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{
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NazaraError("Failed to initialize Windows Socket 2.2: " + Error::GetLastSystemError(errorCode));
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return false;
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}
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NazaraDebug("Initialized Windows Socket " + String::Number(LOBYTE(s_WSA.wVersion)) + '.' + String::Number(HIBYTE(s_WSA.wVersion)) + " (" + String(s_WSA.szDescription) + ')');
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return true;
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}
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SocketError SocketImpl::GetLastError(SocketHandle handle, SocketError* error)
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{
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int code = GetLastErrorCode(handle, error);
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if (code < 0)
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return SocketError_Internal;
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return TranslateWSAErrorToSocketError(code);
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}
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int SocketImpl::GetLastErrorCode()
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{
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return WSAGetLastError();
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}
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int SocketImpl::GetLastErrorCode(SocketHandle handle, SocketError* error)
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{
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int code;
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int codeLength = sizeof(code);
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if (getsockopt(handle, SOL_SOCKET, SO_ERROR, reinterpret_cast<char*>(&code), &codeLength) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return -1;
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}
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if (error)
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*error = SocketError_NoError;
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return code;
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}
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SocketState SocketImpl::Listen(SocketHandle handle, const IpAddress& address, unsigned queueSize, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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NazaraAssert(address.IsValid(), "Invalid address");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = IpAddressImpl::ToSockAddr(address, nameBuffer.data());
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if (bind(handle, reinterpret_cast<const sockaddr*>(&nameBuffer), bufferLength) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return SocketState_NotConnected;
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}
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if (listen(handle, queueSize) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return SocketState_NotConnected;
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}
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if (error)
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*error = SocketError_NoError;
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return SocketState_Bound;
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}
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unsigned int SocketImpl::QueryAvailableBytes(SocketHandle handle, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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u_long availableBytes;
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if (ioctlsocket(handle, FIONREAD, &availableBytes) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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availableBytes = 0;
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}
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if (error)
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*error = SocketError_NoError;
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return availableBytes;
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}
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unsigned int SocketImpl::QueryMaxDatagramSize(SocketHandle handle, SocketError* error)
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{
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unsigned int code;
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int codeLength = sizeof(code);
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if (getsockopt(handle, SOL_SOCKET, SO_MAX_MSG_SIZE, reinterpret_cast<char*>(&code), &codeLength) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return -1;
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}
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if (error)
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*error = SocketError_NoError;
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return code;
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}
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IpAddress SocketImpl::QueryPeerAddress(SocketHandle handle, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = static_cast<int>(nameBuffer.size());
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if (getpeername(handle, reinterpret_cast<sockaddr*>(nameBuffer.data()), &bufferLength) == SOCKET_ERROR)
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(WSAGetLastError());
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return IpAddress();
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}
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if (error)
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*error = SocketError_NoError;
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return IpAddressImpl::FromSockAddr(reinterpret_cast<sockaddr*>(nameBuffer.data()));
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}
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IpAddress SocketImpl::QuerySocketAddress(SocketHandle handle, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = static_cast<int>(nameBuffer.size());
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if (getsockname(handle, reinterpret_cast<sockaddr*>(nameBuffer.data()), &bufferLength) == SOCKET_ERROR)
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{
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if (error)
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{
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int errorCode = WSAGetLastError();
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if (errorCode == WSAEINVAL)
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*error = SocketError_NoError;
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else
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*error = TranslateWSAErrorToSocketError(errorCode);
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}
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return IpAddress();
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}
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if (error)
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*error = SocketError_NoError;
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return IpAddressImpl::FromSockAddr(reinterpret_cast<sockaddr*>(nameBuffer.data()));
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}
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bool SocketImpl::Receive(SocketHandle handle, void* buffer, int length, int* read, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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NazaraAssert(buffer && length > 0, "Invalid buffer");
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int byteRead = recv(handle, reinterpret_cast<char*>(buffer), length, 0);
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if (byteRead == SOCKET_ERROR)
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{
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int errorCode = WSAGetLastError();
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switch (errorCode)
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{
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case WSAEWOULDBLOCK:
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{
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// If we have no data and are not blocking, return true with 0 byte read
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byteRead = 0;
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break;
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}
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default:
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(errorCode);
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return false; //< Error
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}
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}
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}
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else if (byteRead == 0)
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{
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if (error)
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*error = SocketError_ConnectionClosed;
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return false; //< Connection has been closed
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}
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if (read)
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*read = byteRead;
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if (error)
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*error = SocketError_NoError;
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return true;
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}
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bool SocketImpl::ReceiveFrom(SocketHandle handle, void* buffer, int length, IpAddress* from, int* read, SocketError* error)
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{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
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NazaraAssert(buffer && length > 0, "Invalid buffer");
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IpAddressImpl::SockAddrBuffer nameBuffer;
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int bufferLength = static_cast<int>(nameBuffer.size());
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IpAddress senderIp;
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int byteRead = recvfrom(handle, reinterpret_cast<char*>(buffer), length, 0, reinterpret_cast<sockaddr*>(&nameBuffer), &bufferLength);
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if (byteRead == SOCKET_ERROR)
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{
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int errorCode = WSAGetLastError();
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switch (errorCode)
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{
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case WSAEWOULDBLOCK:
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{
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// If we have no data and are not blocking, return true with 0 byte read
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byteRead = 0;
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senderIp = IpAddress::Invalid;
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break;
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}
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default:
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{
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if (error)
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*error = TranslateWSAErrorToSocketError(errorCode);
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return false; //< Error
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}
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}
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}
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else if (byteRead == 0)
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{
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if (error)
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*error = SocketError_ConnectionClosed;
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return false; //< Connection closed
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}
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else // else we received something
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senderIp = IpAddressImpl::FromSockAddr(reinterpret_cast<const sockaddr*>(&nameBuffer));
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if (from)
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*from = senderIp;
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if (read)
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*read = byteRead;
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||||
|
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if (error)
|
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*error = SocketError_NoError;
|
||||
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return true;
|
||||
}
|
||||
|
||||
bool SocketImpl::Send(SocketHandle handle, const void* buffer, int length, int* sent, SocketError* error)
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||||
{
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NazaraAssert(handle != InvalidHandle, "Invalid handle");
|
||||
NazaraAssert(buffer && length > 0, "Invalid buffer");
|
||||
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||||
int byteSent = send(handle, reinterpret_cast<const char*>(buffer), length, 0);
|
||||
if (byteSent == SOCKET_ERROR)
|
||||
{
|
||||
if (error)
|
||||
*error = TranslateWSAErrorToSocketError(WSAGetLastError());
|
||||
|
||||
return false; //< Error
|
||||
}
|
||||
|
||||
if (sent)
|
||||
*sent = byteSent;
|
||||
|
||||
if (error)
|
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*error = SocketError_NoError;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SocketImpl::SendTo(SocketHandle handle, const void* buffer, int length, const IpAddress& to, int* sent, SocketError* error)
|
||||
{
|
||||
NazaraAssert(handle != InvalidHandle, "Invalid handle");
|
||||
NazaraAssert(buffer && length > 0, "Invalid buffer");
|
||||
|
||||
IpAddressImpl::SockAddrBuffer nameBuffer;
|
||||
int bufferLength = IpAddressImpl::ToSockAddr(to, nameBuffer.data());
|
||||
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||||
int byteSent = sendto(handle, reinterpret_cast<const char*>(buffer), length, 0, reinterpret_cast<const sockaddr*>(nameBuffer.data()), bufferLength);
|
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if (byteSent == SOCKET_ERROR)
|
||||
{
|
||||
if (error)
|
||||
*error = TranslateWSAErrorToSocketError(WSAGetLastError());
|
||||
|
||||
return false; //< Error
|
||||
}
|
||||
|
||||
if (sent)
|
||||
*sent = byteSent;
|
||||
|
||||
if (error)
|
||||
*error = SocketError_NoError;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SocketImpl::SetBlocking(SocketHandle handle, bool blocking, SocketError* error)
|
||||
{
|
||||
NazaraAssert(handle != InvalidHandle, "Invalid handle");
|
||||
|
||||
u_long block = (blocking) ? 0 : 1;
|
||||
if (ioctlsocket(handle, FIONBIO, &block) == SOCKET_ERROR)
|
||||
{
|
||||
if (error)
|
||||
*error = TranslateWSAErrorToSocketError(WSAGetLastError());
|
||||
|
||||
return false; //< Error
|
||||
}
|
||||
|
||||
if (error)
|
||||
*error = SocketError_NoError;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SocketImpl::SetKeepAlive(SocketHandle handle, bool enabled, UInt64 msTime, UInt64 msInterval, SocketError* error)
|
||||
{
|
||||
NazaraAssert(handle != InvalidHandle, "Invalid handle");
|
||||
|
||||
tcp_keepalive keepAlive;
|
||||
keepAlive.onoff = (enabled) ? 1 : 0;
|
||||
keepAlive.keepaliveinterval = static_cast<ULONG>(msInterval);
|
||||
keepAlive.keepalivetime = static_cast<ULONG>(msTime);
|
||||
|
||||
DWORD dummy; //< byteReturned
|
||||
if (!WSAIoctl(handle, SIO_KEEPALIVE_VALS, &keepAlive, sizeof(keepAlive), nullptr, 0, &dummy, nullptr, nullptr))
|
||||
{
|
||||
if (error)
|
||||
*error = TranslateWSAErrorToSocketError(WSAGetLastError());
|
||||
|
||||
return false; //< Error
|
||||
}
|
||||
|
||||
if (error)
|
||||
*error = SocketError_NoError;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
SocketError SocketImpl::TranslateWSAErrorToSocketError(int error)
|
||||
{
|
||||
switch (error)
|
||||
{
|
||||
case 0:
|
||||
return SocketError_NoError;
|
||||
|
||||
// Engine error
|
||||
case WSAEACCES:
|
||||
case WSAEBADF:
|
||||
case WSAEINVAL:
|
||||
case WSAEFAULT:
|
||||
case WSAENOTSOCK:
|
||||
case WSAEPROTOTYPE:
|
||||
case WSA_INVALID_HANDLE:
|
||||
return SocketError_Internal;
|
||||
|
||||
case WSAEADDRNOTAVAIL:
|
||||
case WSAEADDRINUSE:
|
||||
return SocketError_AddressNotAvailable;
|
||||
|
||||
case WSAEAFNOSUPPORT:
|
||||
case WSAEPFNOSUPPORT:
|
||||
case WSAEOPNOTSUPP:
|
||||
case WSAEPROTONOSUPPORT:
|
||||
case WSAESOCKTNOSUPPORT:
|
||||
return SocketError_NotSupported;
|
||||
|
||||
// Those are not errors and should have been handled before the call
|
||||
case WSAEALREADY:
|
||||
case WSAEISCONN:
|
||||
case WSAEWOULDBLOCK:
|
||||
return SocketError_Internal;
|
||||
|
||||
case WSAECONNREFUSED:
|
||||
return SocketError_ConnectionRefused;
|
||||
|
||||
case WSAEMSGSIZE:
|
||||
return SocketError_DatagramSize;
|
||||
|
||||
case WSAEMFILE:
|
||||
case WSAENOBUFS:
|
||||
case WSA_NOT_ENOUGH_MEMORY:
|
||||
return SocketError_ResourceError;
|
||||
|
||||
case WSAENOTCONN:
|
||||
case WSAESHUTDOWN:
|
||||
return SocketError_ConnectionClosed;
|
||||
|
||||
case WSAEHOSTUNREACH:
|
||||
return SocketError_UnreachableHost;
|
||||
|
||||
case WSAENETDOWN:
|
||||
case WSAENETUNREACH:
|
||||
return SocketError_NetworkError;
|
||||
|
||||
case WSANOTINITIALISED:
|
||||
return SocketError_NotInitialized;
|
||||
|
||||
case WSAETIMEDOUT:
|
||||
return SocketError_TimedOut;
|
||||
}
|
||||
|
||||
NazaraWarning("Unhandled WinSock error: " + Error::GetLastSystemError(error) + " (" + String::Number(error) + ')');
|
||||
return SocketError_Unknown;
|
||||
}
|
||||
|
||||
int SocketImpl::TranslateNetProtocolToAF(NetProtocol protocol)
|
||||
{
|
||||
NazaraAssert(protocol <= NetProtocol_Max, "Protocol has value out of enum");
|
||||
|
||||
static int addressFamily[] = {
|
||||
AF_UNSPEC, //< NetProtocol_Any
|
||||
AF_INET, //< NetProtocol_IPv4
|
||||
AF_INET6 //< NetProtocol_IPv6
|
||||
};
|
||||
static_assert(sizeof(addressFamily) / sizeof(int) == NetProtocol_Max + 1, "Address family array is incomplete");
|
||||
|
||||
return addressFamily[protocol];
|
||||
}
|
||||
|
||||
int SocketImpl::TranslateSocketTypeToSock(SocketType type)
|
||||
{
|
||||
NazaraAssert(type <= SocketType_Max, "Socket type has value out of enum");
|
||||
|
||||
static int socketType[] = {
|
||||
SOCK_RAW, //< SocketType_Raw
|
||||
SOCK_STREAM, //< SocketType_TCP
|
||||
SOCK_DGRAM //< SocketType_UDP
|
||||
};
|
||||
static_assert(sizeof(socketType) / sizeof(int) == SocketType_Max + 1, "Socket type array is incomplete");
|
||||
|
||||
return socketType[type];
|
||||
}
|
||||
|
||||
void SocketImpl::Uninitialize()
|
||||
{
|
||||
WSACleanup();
|
||||
}
|
||||
|
||||
SocketHandle SocketImpl::InvalidHandle = INVALID_SOCKET;
|
||||
WSADATA SocketImpl::s_WSA;
|
||||
}
|
||||
Reference in New Issue
Block a user