forked from sin365/AxibugEmuOnline
812 lines
43 KiB
C++
812 lines
43 KiB
C++
//
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// ネットプレイクラス
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//
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// 明示的にWinSock Libをリンク
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#pragma comment(lib, "wsock32.lib")
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#include "DebugOut.h"
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#include "NetPlay.h"
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#define CLOSESOCKET(soc) if((soc)!=INVALID_SOCKET){::closesocket((soc));(soc)=INVALID_SOCKET;}
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static char* SocketErrorDump( int eno );
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CNetPlay NetPlay;
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CNetPlay::CNetPlay()
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{
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m_hWnd = m_hWndMsg = m_hWndChat = NULL;
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m_bConnect = FALSE;
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m_SocketConnect = INVALID_SOCKET;
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m_SocketData = INVALID_SOCKET;
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m_SocketChat = INVALID_SOCKET;
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m_nLatency = 0;
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m_nFrameCount = 0;
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m_nFrameStep = 0;
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m_hASyncTask = NULL;
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}
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CNetPlay::~CNetPlay()
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{
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// とりあえず
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Release();
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}
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BOOL CNetPlay::Initialize( HWND hWnd )
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{
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// とりあえず
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Release();
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// WinSock DLLの初期化
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if( ::WSAStartup( MAKEWORD(1,1), &m_WSAdata ) )
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return FALSE;
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// バージョン違うじゃ〜ん
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if( m_WSAdata.wVersion != MAKEWORD(1,1) ) {
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::WSACleanup();
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return FALSE;
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}
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m_hWnd = hWnd;
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return TRUE;
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}
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void CNetPlay::Release()
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{
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Disconnect();
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if( m_hWnd ) {
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::WSACleanup();
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m_hWnd = NULL;
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}
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}
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INT CNetPlay::ASyncHostCheck( HWND hWnd, const char* lpszHost )
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{
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DEBUGOUT( "CNetPlay:ASyncHostCheck [%s]\n", lpszHost );
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unsigned long IP_address = ::inet_addr( lpszHost );
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if( IP_address != INADDR_NONE ) {
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DEBUGOUT( "CNetPlay:生IPっす\n" );
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return 0;
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}
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m_hWndASync = hWnd;
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// ホスト検索開始
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m_hASyncTask = ::WSAAsyncGetHostByName( hWnd, WM_NETPLAY_HOSTBYNAME, lpszHost, m_HostEntry, MAXGETHOSTSTRUCT );
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if( m_hASyncTask ) {
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return 1;
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}
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return -1;
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}
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HRESULT CNetPlay::ASyncWndProc( HWND hWnd, WPARAM wParam, LPARAM lParam )
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{
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DEBUGOUT( "CNetPlay:ASyncWndProc\n" );
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if( WSAGETASYNCERROR(lParam) ) {
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DEBUGOUT( "CNetPlay:ASyncWndProc error.[%s]\n", SocketErrorDump( WSAGETASYNCERROR(lParam) ) );
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m_hWndASync = NULL;
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return 0;
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}
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if( m_hASyncTask == (HANDLE)wParam ) {
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if( m_hWndASync ) {
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m_hWndASync = NULL;
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return *((unsigned long *)((((struct hostent FAR *)m_HostEntry)->h_addr_list)[0]));
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}
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}
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return 0L;
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}
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BOOL CNetPlay::Connect( BOOL bServer, const char* lpszIP, unsigned short Port )
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{
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if( !m_hWnd )
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return FALSE;
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m_bServer = bServer;
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if( bServer ) {
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// Server
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// 接続通知ソケット作成
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if( m_SocketConnect == INVALID_SOCKET ) {
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m_SocketConnect = ::socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
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if( m_SocketConnect == INVALID_SOCKET ) {
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DEBUGOUT( "CNetPlay:socket failed.\n" );
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return FALSE;
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}
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}
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// 再利用を許可してみる
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unsigned long ulOpt = 1;
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if( ::setsockopt( m_SocketConnect, SOL_SOCKET, SO_REUSEADDR, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:setsockopt failed. (SO_REUSEADDR)\n" );
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CLOSESOCKET( m_SocketConnect );
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return FALSE;
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}
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// ポートと結びつける
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ZEROMEMORY( &m_SAddr_Server, sizeof(m_SAddr_Server) );
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m_SAddr_Server.sin_family = AF_INET;
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m_SAddr_Server.sin_addr.s_addr = ::htonl( INADDR_ANY );
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m_SAddr_Server.sin_port = ::htons( Port );
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if( ::bind( m_SocketConnect, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:bind failed.\n" );
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CLOSESOCKET( m_SocketConnect );
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return FALSE;
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}
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//-----------------
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// チャット用ソケット作成
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m_SocketChat = ::socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
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if( m_SocketChat == INVALID_SOCKET ) {
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DEBUGOUT( "create socket failed.[chat]\n" );
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Disconnect();
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return FALSE;
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}
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// ポートに接続
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if( ::bind( m_SocketChat, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:connect failed. [chat]\n" );
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Disconnect();
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return FALSE;
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}
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// ブロッキングモード設定
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unsigned long ulArg = 1;
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if( ::ioctlsocket( m_SocketChat, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:ioctlsocket failed.[chat]\n" );
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Disconnect();
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return FALSE;
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}
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//-----------------
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// 接続要求イベントの設定
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if( ::WSAAsyncSelect( m_SocketConnect, m_hWnd, WM_NETPLAY, FD_ACCEPT ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.\n" );
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CLOSESOCKET( m_SocketConnect );
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return FALSE;
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}
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// 接続要求受付開始してみる
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if( ::listen( m_SocketConnect, 1 ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:listen failed.\n" );
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CLOSESOCKET( m_SocketConnect );
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return FALSE;
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}
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} else {
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// Client
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unsigned long ulOpt;
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// IPアドレス？
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unsigned long IP_address = ::inet_addr( lpszIP );
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if( IP_address == INADDR_NONE ) {
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DEBUGOUT( "CNetPlay:IPアドレスが不正です。\"%s\"\n", lpszIP );
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return FALSE;
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}
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// データ通信ソケット作成
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m_SocketData = ::socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
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if( m_SocketData == INVALID_SOCKET ) {
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DEBUGOUT( "CNetPlay:socket failed.\n" );
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return FALSE;
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}
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// 再利用を許可してみる
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ulOpt = 1;
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if( ::setsockopt( m_SocketData, SOL_SOCKET, SO_REUSEADDR, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:setsockopt failed. (SO_REUSEADDR)\n" );
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CLOSESOCKET( m_SocketData );
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return FALSE;
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}
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// Nagleアルゴリズムの無効化
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ulOpt = 1;
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if( ::setsockopt( m_SocketData, IPPROTO_TCP, TCP_NODELAY, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:setsockopt failed.\n" );
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CLOSESOCKET( m_SocketData );
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return FALSE;
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}
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// ブロッキングモード設定
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unsigned long ulArg = 1;
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if( ::ioctlsocket( m_SocketData, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:ioctlsocket failed.\n" );
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CLOSESOCKET( m_SocketData );
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return FALSE;
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}
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//-----------------
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// チャット用ソケット作成
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m_SocketChat = ::socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
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if( m_SocketChat == INVALID_SOCKET ) {
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DEBUGOUT( "create socket failed.[chat]\n" );
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Disconnect();
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return FALSE;
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}
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// ブロッキングモード設定
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// unsigned long ulArg = 1;
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ulArg = 1;
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if( ::ioctlsocket( m_SocketChat, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:ioctlsocket failed.[chat]\n" );
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Disconnect();
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return FALSE;
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}
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//-----------------
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// 接続完了イベントの設定
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if( ::WSAAsyncSelect( m_SocketData, m_hWnd, WM_NETPLAY, FD_CONNECT ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.\n" );
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CLOSESOCKET( m_SocketData );
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return FALSE;
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}
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// 接続を要求してみる
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ZEROMEMORY( &m_SAddr_Server, sizeof(m_SAddr_Server) );
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m_SAddr_Server.sin_family = AF_INET;
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m_SAddr_Server.sin_addr.s_addr = IP_address;
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m_SAddr_Server.sin_port = ::htons( Port );
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if( ::connect( m_SocketData, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
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if( ::WSAGetLastError() != WSAEWOULDBLOCK ) {
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DEBUGOUT( "CNetPlay:connect failed.\n" );
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CLOSESOCKET( m_SocketData );
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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void CNetPlay::Disconnect()
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{
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#if defined(_DEBUG)||defined(_DEBUGOUT)
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if( m_bConnect ) {
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DEBUGOUT( "CNetPlay::Disconnect\n" );
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}
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#endif
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if( m_hASyncTask ) {
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::WSACancelAsyncRequest( m_hASyncTask );
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m_hASyncTask = NULL;
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}
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// ソケットをシャットダウンして破棄
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if( m_SocketConnect != INVALID_SOCKET ) {
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::shutdown( m_SocketConnect, SD_BOTH );
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CLOSESOCKET( m_SocketConnect );
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}
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if( m_SocketData != INVALID_SOCKET ) {
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::shutdown( m_SocketData, SD_BOTH );
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CLOSESOCKET( m_SocketData );
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}
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if( m_SocketChat != INVALID_SOCKET ) {
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::shutdown( m_SocketChat, SD_BOTH );
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CLOSESOCKET( m_SocketChat );
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}
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m_bConnect = FALSE;
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}
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INT CNetPlay::Send( BYTE data )
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return -1L;
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while( TRUE ) {
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if( ::send( m_SocketData, (char*)&data, sizeof(BYTE), 0 ) == SOCKET_ERROR ) {
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// ブロックされたかも知れないので再度挑戦
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if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
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::Sleep(0); // 固まらない措置
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continue;
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} else {
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// 致命的エラーっぽい
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DEBUGOUT( "CNetPlay:send failed. code=%d\n", ::WSAGetLastError() );
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Disconnect();
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return -1L;
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}
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} else {
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break;
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}
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}
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return 0L;
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}
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INT CNetPlay::Recv( BYTE& data )
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return -1L;
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// データが届いているかを確認
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unsigned long len = 0;
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if( ::ioctlsocket( m_SocketData, FIONREAD, (unsigned long*)&len ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:ioctlsocket failed.\n" );
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Disconnect();
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return -1L;
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}
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if( !len ) {
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// データが届いていない
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return 0L;
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} else {
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// 1バイト読み込み
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if( ::recv( m_SocketData, (char*)&data, sizeof(BYTE), 0 ) == SOCKET_ERROR ) {
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DEBUGOUT( "CNetPlay:recv failed.\n" );
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Disconnect();
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return -1L;
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}
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}
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return len;
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}
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INT CNetPlay::RecvTime( BYTE& data, unsigned long timeout )
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return -1L;
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INT ret;
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DWORD dwTimeOut = ::timeGetTime();
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while( (ret = NetPlay.Recv( data )) == 0 ) {
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// 固まらない措置
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::Sleep( 0 );
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// タイムアウトのチェック
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if( (::timeGetTime()-dwTimeOut) > timeout ) {
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return -1;
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}
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}
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return ret;
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}
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BOOL CNetPlay::RecvBuffer()
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return FALSE;
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BYTE buf[SOCKET_RECEIVE_SIZE];
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INT recvsize = ::recv( m_SocketData, (char*)buf, SOCKET_RECEIVE_SIZE, 0 );
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if( recvsize == 0 ) {
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return FALSE;
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} else if( recvsize == SOCKET_ERROR ) {
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if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
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return TRUE;
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} else {
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DEBUGOUT( "CNetPlay::RecvBuffer failed. [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
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return FALSE;
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}
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} else {
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INT p = m_nRecvPtr;
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for( INT i = 0; i < recvsize; i++ ) {
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m_RecvBuffer[p] = buf[i];
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p = (p+1) & SOCKET_BUFFER_SIZE-1;
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}
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m_nRecvPtr = p;
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m_nRecvSize += recvsize;
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}
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return TRUE;
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}
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INT CNetPlay::GetRecvBufferSize()
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return 0;
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return m_nRecvSize;
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}
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BOOL CNetPlay::BufferCheck()
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return 0;
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// LAN
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if( m_nLatency == 0 && m_nRecvSize < SOCKET_BLOCK_SIZE ) {
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return -1;
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}
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// Frame control
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// 速すぎか？
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if( m_nRecvSize < SOCKET_BLOCK_SIZE ) {
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return -1; // 少し待ってくれ
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}
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// 遅すぎか？
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if( m_nRecvSize > ((m_nLatency+2)*SOCKET_BLOCK_SIZE) ) {
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return 1; // 少し進めてくれ
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}
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return 0;
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}
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// 同期前処理(レイテンシの分だけ先に送信して同期を取る)
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INT CNetPlay::Sync()
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{
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BYTE senddata[SOCKET_BLOCK_SIZE];
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DEBUGOUT( "CNetPlay::Sync\n" );
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ZEROMEMORY( senddata, sizeof(senddata) );
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m_nFrameCount = 0;
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m_nRingPtr = m_nSendPtr = m_nRecvPtr = 0;
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m_nRecvSize = 0;
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DEBUGOUT( "CNetPlay::Sync sending...\n" );
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// データ送信
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for( INT i = 0; i < m_nLatency+1; i++ ) {
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while( TRUE ) {
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if( ::send( m_SocketData, (char*)senddata, SOCKET_BLOCK_SIZE, 0 ) == SOCKET_ERROR ) {
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// ブロックされたかも知れないので再度挑戦
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if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
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DEBUGOUT( "send::WSAEWOULDBLOCK!!\n" );
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::Sleep(0); // 固まらない措置
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continue;
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} else {
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// 致命的エラーっぽい
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DEBUGOUT( "CNetPlay:Sync send failed. [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
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Disconnect();
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return -1L;
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}
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} else {
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break;
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}
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}
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m_nSendPtr = (m_nSendPtr+SOCKET_BLOCK_SIZE) & SOCKET_BUFFER_SIZE-1;
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}
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// 相手データのバッファリングデータ待ち(10秒でタイムアウト)
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DWORD dwTime = ::timeGetTime();
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while( m_nRecvSize < (m_nLatency+1)*SOCKET_BLOCK_SIZE ) {
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if( !RecvBuffer() ) {
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DEBUGOUT( "CNetPlay:recv error.\n" );
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Disconnect();
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return -1;
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}
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if( (::timeGetTime()-dwTime) > 10*1000 ) {
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DEBUGOUT( "CNetPlay:Sync recv timeout.\n" );
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Disconnect();
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return -1;
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}
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::Sleep( 1 );
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}
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DEBUGOUT( "CNetPlay::Sync OK!\n" );
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return 0;
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}
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// プレイヤーキーの更新
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INT CNetPlay::ModifyPlayer( LPBYTE p1, LPBYTE p2 )
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{
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if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
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return -1L;
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// 送るべきポイントで送信
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if( m_nFrameCount == 0 ) {
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while( TRUE ) {
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if( ::send( m_SocketData, (char*)p1, SOCKET_BLOCK_SIZE, 0 ) == SOCKET_ERROR ) {
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// ブロックされたかも知れないので再度挑戦
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if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
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DEBUGOUT( "send::WSAEWOULDBLOCK!!\n" );
|
||
::Sleep(0); // 固まらない措置
|
||
continue;
|
||
} else {
|
||
// 致命的エラーっぽい
|
||
DEBUGOUT( "CNetPlay:ModifyPlayer send failed. code=%d\n", ::WSAGetLastError() );
|
||
Disconnect();
|
||
return -1L;
|
||
}
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// バッファに放り込む
|
||
for( INT i = 0; i < SOCKET_BLOCK_SIZE; i++ ) {
|
||
m_SendBuffer[ m_nSendPtr ] = p1[i];
|
||
m_nSendPtr = (m_nSendPtr+1) & SOCKET_BUFFER_SIZE-1;
|
||
}
|
||
}
|
||
|
||
// 相手データ待ち(10秒でタイムアウト)
|
||
DWORD dwTime = ::timeGetTime();
|
||
while( m_nRecvSize < SOCKET_BLOCK_SIZE ) {
|
||
if( !RecvBuffer() ) {
|
||
DEBUGOUT( "CNetPlay:ModifyPlayer recv error.\n" );
|
||
Disconnect();
|
||
return -1;
|
||
}
|
||
if( (::timeGetTime()-dwTime) > 10*1000 ) {
|
||
DEBUGOUT( "CNetPlay:ModifyPlayer recv timeout.\n" );
|
||
Disconnect();
|
||
return -1;
|
||
}
|
||
::Sleep( 1 );
|
||
}
|
||
|
||
// 情報更新
|
||
INT p = m_nRingPtr;
|
||
for( INT i = 0; i < SOCKET_BLOCK_SIZE; i++ ) {
|
||
p1[i] = m_SendBuffer[ p ];
|
||
p2[i] = m_RecvBuffer[ p ];
|
||
p = (p+1) & SOCKET_BUFFER_SIZE-1;
|
||
}
|
||
|
||
INT Count = m_nFrameCount;
|
||
|
||
// ステップ更新
|
||
if( ++m_nFrameCount > m_nFrameStep ) {
|
||
m_nFrameCount = 0;
|
||
|
||
m_nRingPtr = (m_nRingPtr+SOCKET_BLOCK_SIZE) & SOCKET_BUFFER_SIZE-1;
|
||
m_nRecvSize -= SOCKET_BLOCK_SIZE;
|
||
}
|
||
|
||
return Count;
|
||
}
|
||
|
||
void CNetPlay::ChatSend( LPCSTR lpStr )
|
||
{
|
||
if( !m_hWnd || !m_bConnect || m_SocketChat == INVALID_SOCKET )
|
||
return;
|
||
|
||
if( m_bServer ) {
|
||
DEBUGOUT( "ChatSend Server:%s", lpStr );
|
||
if( ::sendto( m_SocketChat, (char*)lpStr, ::strlen(lpStr)+1, 0, (struct sockaddr *)&m_SAddr_Client, sizeof(m_SAddr_Client) ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "ChatSend failed. Server:[%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
|
||
}
|
||
} else {
|
||
DEBUGOUT( "ChatSend Client:%s", lpStr );
|
||
if( ::sendto( m_SocketChat, (char*)lpStr, ::strlen(lpStr)+1, 0, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "ChatSend failed. Server:[%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
|
||
}
|
||
}
|
||
}
|
||
|
||
HRESULT CNetPlay::WndProc( HWND hWnd, WPARAM wParam, LPARAM lParam )
|
||
{
|
||
// エラー？
|
||
if( WSAGETSELECTERROR(lParam) ) {
|
||
DEBUGOUT( "CNetPlay::WndProc error.[%s]\n", SocketErrorDump( WSAGETSELECTERROR(lParam) ) );
|
||
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_CLOSE, 0, 0 );
|
||
}
|
||
|
||
return 0L;
|
||
}
|
||
|
||
switch( WSAGETSELECTEVENT(lParam) ) {
|
||
case FD_ACCEPT: {
|
||
DEBUGOUT( "Accepting...." );
|
||
ZEROMEMORY( &m_SAddr_Client, sizeof(m_SAddr_Client) );
|
||
int len = sizeof(m_SAddr_Client);
|
||
m_SocketData = ::accept( m_SocketConnect, (sockaddr*)&m_SAddr_Client, &len );
|
||
|
||
// 接続用ソケットは閉じる
|
||
::shutdown( m_SocketConnect, SD_BOTH );
|
||
CLOSESOCKET( m_SocketConnect );
|
||
|
||
if( m_SocketData == INVALID_SOCKET ) {
|
||
DEBUGOUT( "failed.\n" );
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
DEBUGOUT( "done.\n" );
|
||
|
||
// Nagleアルゴリズムの無効化
|
||
unsigned long ulOpt = 1;
|
||
if( ::setsockopt( m_SocketData, IPPROTO_TCP, TCP_NODELAY, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:setsockopt failed.\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
// ブロッキングモード設定
|
||
unsigned long ulArg = 1;
|
||
if( ::ioctlsocket( m_SocketData, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:ioctlsocket failed.\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
// 非同期イベントの設定
|
||
if( ::WSAAsyncSelect( m_SocketChat, m_hWnd, WM_NETPLAY, FD_READ ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.[CONNECT chat]\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
// 非同期イベントの設定
|
||
if( ::WSAAsyncSelect( m_SocketData, m_hWnd, WM_NETPLAY, FD_CLOSE ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.[ACCEPT data]\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
m_bConnect = TRUE;
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ACCEPT, 0, 0 );
|
||
}
|
||
break;
|
||
}
|
||
|
||
case FD_CONNECT: {
|
||
DEBUGOUT( "Connection done.\n" );
|
||
|
||
// 1バイトだけダミーデータを送る(何か間違ってる気もする…)
|
||
if( ::sendto( m_SocketChat, (char*)"", 1, 0, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:send failed. Client:[%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
// 非同期イベントの設定
|
||
if( ::WSAAsyncSelect( m_SocketChat, m_hWnd, WM_NETPLAY, FD_READ ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.[CONNECT chat]\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
|
||
// 非同期イベントの設定
|
||
if( ::WSAAsyncSelect( m_SocketData, m_hWnd, WM_NETPLAY, FD_CLOSE ) == SOCKET_ERROR ) {
|
||
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.[CONNECT data]\n" );
|
||
Disconnect();
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_ERROR, 0, 0 );
|
||
}
|
||
return 0L;
|
||
}
|
||
m_bConnect = TRUE;
|
||
if( m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_CONNECT, 0, 0 );
|
||
}
|
||
break;
|
||
}
|
||
|
||
case FD_CLOSE: {
|
||
DEBUGOUT( "Connection close.\n" );
|
||
if( m_bConnect && m_hWndMsg ) {
|
||
::PostMessage( m_hWndMsg, WM_NETPLAY_CLOSE, 0, 0 );
|
||
}
|
||
Disconnect();
|
||
break;
|
||
}
|
||
|
||
case FD_READ: {
|
||
// error is ignored :p
|
||
// DEBUGOUT( "FD_READ\n" );
|
||
INT recvsize = 0;
|
||
INT size = sizeof(struct sockaddr_in);
|
||
CHAR szBuf[256+1];
|
||
|
||
if( m_bServer ) {
|
||
recvsize = ::recvfrom( m_SocketChat, (char*)szBuf, sizeof(szBuf)-1, 0, (struct sockaddr *)&m_SAddr_Client, &size );
|
||
} else {
|
||
recvsize = ::recvfrom( m_SocketChat, (char*)szBuf, sizeof(szBuf)-1, 0, (struct sockaddr *)&m_SAddr_Server, &size );
|
||
}
|
||
|
||
if( recvsize == SOCKET_ERROR ) {
|
||
if( m_bServer ) {
|
||
DEBUGOUT( "FD_READ failed. Server [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
|
||
} else {
|
||
DEBUGOUT( "FD_READ failed. Client [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
|
||
}
|
||
} else if( recvsize > 0 ) {
|
||
szBuf[recvsize] = '\0';
|
||
|
||
if( m_hWndChat && ::IsWindow( m_hWndChat ) ) {
|
||
COPYDATASTRUCT cds;
|
||
cds.dwData = 0;
|
||
cds.lpData = (void*)szBuf;
|
||
cds.cbData = ::strlen(szBuf)+1; // 終端のNULLも送る
|
||
// 文字列送信
|
||
::SendMessage( m_hWndChat, WM_COPYDATA, (WPARAM)NULL, (LPARAM)&cds );
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
DEBUGOUT( "Unknown message.\n" );
|
||
break;
|
||
}
|
||
|
||
return 0L;
|
||
}
|
||
|
||
static char* SocketErrorDump( int eno )
|
||
{
|
||
switch( eno ) {
|
||
case 0: return "No error";
|
||
|
||
#if defined(_DEBUG)||defined(_DEBUGOUT)
|
||
case WSAEINTR: return "Interrupted system call";
|
||
case WSAEBADF: return "Bad file number";
|
||
case WSAEACCES: return "Permission denied";
|
||
case WSAEFAULT: return "Bad address";
|
||
case WSAEINVAL: return "Invalid argument";
|
||
case WSAEMFILE: return "Too many open sockets";
|
||
|
||
case WSAEWOULDBLOCK: return "Operation would block";
|
||
case WSAEINPROGRESS: return "Operation now in progress";
|
||
case WSAEALREADY: return "Operation already in progress";
|
||
case WSAENOTSOCK: return "Socket operation on non-socket";
|
||
case WSAEDESTADDRREQ: return "Destination address required";
|
||
case WSAEMSGSIZE: return "Message too long";
|
||
case WSAEPROTOTYPE: return "Protocol wrong type for socket";
|
||
case WSAENOPROTOOPT: return "Bad protocol option";
|
||
case WSAEPROTONOSUPPORT: return "Protocol not supported";
|
||
case WSAESOCKTNOSUPPORT: return "Socket type not supported";
|
||
case WSAEOPNOTSUPP: return "Operation not supported on socket";
|
||
case WSAEPFNOSUPPORT: return "Protocol family not supported";
|
||
case WSAEAFNOSUPPORT: return "Address family not supported";
|
||
case WSAEADDRINUSE: return "Address already in use";
|
||
case WSAEADDRNOTAVAIL: return "Can't assign requested address";
|
||
case WSAENETDOWN: return "Network is down";
|
||
case WSAENETUNREACH: return "Network is unreachable";
|
||
case WSAENETRESET: return "Net connection reset";
|
||
case WSAECONNABORTED: return "Software caused connection abort";
|
||
case WSAECONNRESET: return "Connection reset by peer";
|
||
case WSAENOBUFS: return "No buffer space available";
|
||
case WSAEISCONN: return "Socket is already connected";
|
||
case WSAENOTCONN: return "Socket is not connected";
|
||
case WSAESHUTDOWN: return "Can't send after socket shutdown";
|
||
case WSAETOOMANYREFS: return "Too many references, can't splice";
|
||
case WSAETIMEDOUT: return "Connection timed out";
|
||
case WSAECONNREFUSED: return "Connection refused";
|
||
case WSAELOOP: return "Too many levels of symbolic links";
|
||
case WSAENAMETOOLONG: return "File name too long";
|
||
case WSAEHOSTDOWN: return "Host is down";
|
||
case WSAEHOSTUNREACH: return "No route to host";
|
||
case WSAENOTEMPTY: return "Directory not empty";
|
||
case WSAEPROCLIM: return "Too many processes";
|
||
case WSAEUSERS: return "Too many users";
|
||
case WSAEDQUOT: return "Disc quota exceeded";
|
||
case WSAESTALE: return "Stale NFS file handle";
|
||
case WSAEREMOTE: return "Too many levels of remote in path";
|
||
|
||
case WSAEDISCON: return "Graceful shutdown in progress";
|
||
|
||
case WSASYSNOTREADY: return "Network system is unavailable";
|
||
case WSAVERNOTSUPPORTED: return "Winsock version out of range";
|
||
case WSANOTINITIALISED: return "WSAStartup not yet called";
|
||
|
||
case WSAHOST_NOT_FOUND: return "Host not found";
|
||
|
||
case WSATRY_AGAIN: return "WSATRY_AGAIN";
|
||
|
||
case WSANO_RECOVERY: return "WSANO_RECOVERY";
|
||
|
||
case WSANO_DATA: return "No host data of that type was found";
|
||
#endif
|
||
default: return "Unknown";
|
||
break;
|
||
}
|
||
return "";
|
||
}
|
||
|