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AxibugEmuOnline/References/VirtuaNESex_src_191105/NetPlay.cpp

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readme + references
2024-08-05 17:58:53 +08:00
//
// <20>l<EFBFBD>b<EFBFBD>g<EFBFBD>v<EFBFBD><76><EFBFBD>C<EFBFBD>N<EFBFBD><4E><EFBFBD>X
//
// <20><><EFBFBD><EFBFBD><EFBFBD>I<EFBFBD><49>WinSock Lib<69><62><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N
#pragma comment(lib, "wsock32.lib")
#include "DebugOut.h"
#include "NetPlay.h"
#define CLOSESOCKET(soc) if((soc)!=INVALID_SOCKET){::closesocket((soc));(soc)=INVALID_SOCKET;}
static char* SocketErrorDump( int eno );
CNetPlay NetPlay;
CNetPlay::CNetPlay()
{
m_hWnd = m_hWndMsg = m_hWndChat = NULL;
m_bConnect = FALSE;
m_SocketConnect = INVALID_SOCKET;
m_SocketData = INVALID_SOCKET;
m_SocketChat = INVALID_SOCKET;
m_nLatency = 0;
m_nFrameCount = 0;
m_nFrameStep = 0;
m_hASyncTask = NULL;
}
CNetPlay::~CNetPlay()
{
// <20>Ƃ肠<C682><E882A0><EFBFBD><EFBFBD>
Release();
}
BOOL CNetPlay::Initialize( HWND hWnd )
{
// <20>Ƃ肠<C682><E882A0><EFBFBD><EFBFBD>
Release();
// WinSock DLL<4C>̏<EFBFBD><CC8F><EFBFBD><EFBFBD><EFBFBD>
if( ::WSAStartup( MAKEWORD(1,1), &m_WSAdata ) )
return FALSE;
// <20>o<EFBFBD>[<5B>W<EFBFBD><57><EFBFBD><EFBFBD><EFBFBD>Ⴄ<EFBFBD><E182A4><EFBFBD><EFBFBD><EFBFBD>`<60><>
if( m_WSAdata.wVersion != MAKEWORD(1,1) ) {
::WSACleanup();
return FALSE;
}
m_hWnd = hWnd;
return TRUE;
}
void CNetPlay::Release()
{
Disconnect();
if( m_hWnd ) {
::WSACleanup();
m_hWnd = NULL;
}
}
INT CNetPlay::ASyncHostCheck( HWND hWnd, const char* lpszHost )
{
DEBUGOUT( "CNetPlay:ASyncHostCheck [%s]\n", lpszHost );
unsigned long IP_address = ::inet_addr( lpszHost );
if( IP_address != INADDR_NONE ) {
DEBUGOUT( "CNetPlay:<3A><>IP<49><50><EFBFBD><EFBFBD>\n" );
return 0;
}
m_hWndASync = hWnd;
// <20>z<EFBFBD>X<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD>J<EFBFBD>n
m_hASyncTask = ::WSAAsyncGetHostByName( hWnd, WM_NETPLAY_HOSTBYNAME, lpszHost, m_HostEntry, MAXGETHOSTSTRUCT );
if( m_hASyncTask ) {
return 1;
}
return -1;
}
HRESULT CNetPlay::ASyncWndProc( HWND hWnd, WPARAM wParam, LPARAM lParam )
{
DEBUGOUT( "CNetPlay:ASyncWndProc\n" );
if( WSAGETASYNCERROR(lParam) ) {
DEBUGOUT( "CNetPlay:ASyncWndProc error.[%s]\n", SocketErrorDump( WSAGETASYNCERROR(lParam) ) );
m_hWndASync = NULL;
return 0;
}
if( m_hASyncTask == (HANDLE)wParam ) {
if( m_hWndASync ) {
m_hWndASync = NULL;
return *((unsigned long *)((((struct hostent FAR *)m_HostEntry)->h_addr_list)[0]));
}
}
return 0L;
}
BOOL CNetPlay::Connect( BOOL bServer, const char* lpszIP, unsigned short Port )
{
if( !m_hWnd )
return FALSE;
m_bServer = bServer;
if( bServer ) {
// Server
// <20>ڑ<EFBFBD><DA91>ʒm<CA92>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD>쐬
if( m_SocketConnect == INVALID_SOCKET ) {
m_SocketConnect = ::socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
if( m_SocketConnect == INVALID_SOCKET ) {
DEBUGOUT( "CNetPlay:socket failed.\n" );
return FALSE;
}
}
// <20>ė<EFBFBD><C497>p<EFBFBD><70><EFBFBD><EFBFBD><EFBFBD>‚<EFBFBD><C282>Ă݂<C482>
unsigned long ulOpt = 1;
if( ::setsockopt( m_SocketConnect, SOL_SOCKET, SO_REUSEADDR, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:setsockopt failed. (SO_REUSEADDR)\n" );
CLOSESOCKET( m_SocketConnect );
return FALSE;
}
// <20>|<7C>[<5B>g<EFBFBD>ƌ<EFBFBD><C68C>т‚<D182><C282><EFBFBD>
ZEROMEMORY( &m_SAddr_Server, sizeof(m_SAddr_Server) );
m_SAddr_Server.sin_family = AF_INET;
m_SAddr_Server.sin_addr.s_addr = ::htonl( INADDR_ANY );
m_SAddr_Server.sin_port = ::htons( Port );
if( ::bind( m_SocketConnect, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:bind failed.\n" );
CLOSESOCKET( m_SocketConnect );
return FALSE;
}
//-----------------
// <20>`<60><><EFBFBD>b<EFBFBD>g<EFBFBD>p<EFBFBD>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD>쐬
m_SocketChat = ::socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
if( m_SocketChat == INVALID_SOCKET ) {
DEBUGOUT( "create socket failed.[chat]\n" );
Disconnect();
return FALSE;
}
// <20>|<7C>[<5B>g<EFBFBD>ɐڑ<C990>
if( ::bind( m_SocketChat, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:connect failed. [chat]\n" );
Disconnect();
return FALSE;
}
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>L<EFBFBD><4C><EFBFBD>O<EFBFBD><4F><EFBFBD>[<5B>h<EFBFBD>ݒ<EFBFBD>
unsigned long ulArg = 1;
if( ::ioctlsocket( m_SocketChat, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:ioctlsocket failed.[chat]\n" );
Disconnect();
return FALSE;
}
//-----------------
// <20>ڑ<EFBFBD><DA91>v<EFBFBD><76><EFBFBD>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
if( ::WSAAsyncSelect( m_SocketConnect, m_hWnd, WM_NETPLAY, FD_ACCEPT ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.\n" );
CLOSESOCKET( m_SocketConnect );
return FALSE;
}
// <20>ڑ<EFBFBD><DA91>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD>t<EFBFBD>J<EFBFBD>n<EFBFBD><6E><EFBFBD>Ă݂<C482>
if( ::listen( m_SocketConnect, 1 ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:listen failed.\n" );
CLOSESOCKET( m_SocketConnect );
return FALSE;
}
} else {
// Client
unsigned long ulOpt;
// IP<49>A<EFBFBD>h<EFBFBD><68><EFBFBD>X<EFBFBD>H
unsigned long IP_address = ::inet_addr( lpszIP );
if( IP_address == INADDR_NONE ) {
DEBUGOUT( "CNetPlay:IP<49>A<EFBFBD>h<EFBFBD><68><EFBFBD>X<EFBFBD><58><EFBFBD>s<EFBFBD><73><EFBFBD>ł<EFBFBD><C582>B\"%s\"\n", lpszIP );
return FALSE;
}
// <20>f<EFBFBD>[<5B>^<5E>ʐM<CA90>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD>쐬
m_SocketData = ::socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
if( m_SocketData == INVALID_SOCKET ) {
DEBUGOUT( "CNetPlay:socket failed.\n" );
return FALSE;
}
// <20>ė<EFBFBD><C497>p<EFBFBD><70><EFBFBD><EFBFBD><EFBFBD>‚<EFBFBD><C282>Ă݂<C482>
ulOpt = 1;
if( ::setsockopt( m_SocketData, SOL_SOCKET, SO_REUSEADDR, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:setsockopt failed. (SO_REUSEADDR)\n" );
CLOSESOCKET( m_SocketData );
return FALSE;
}
// Nagle<6C>A<EFBFBD><41><EFBFBD>S<EFBFBD><53><EFBFBD>Y<EFBFBD><59><EFBFBD>̖<EFBFBD><CC96><EFBFBD><EFBFBD><EFBFBD>
ulOpt = 1;
if( ::setsockopt( m_SocketData, IPPROTO_TCP, TCP_NODELAY, (const char*)&ulOpt, sizeof(ulOpt) ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:setsockopt failed.\n" );
CLOSESOCKET( m_SocketData );
return FALSE;
}
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>L<EFBFBD><4C><EFBFBD>O<EFBFBD><4F><EFBFBD>[<5B>h<EFBFBD>ݒ<EFBFBD>
unsigned long ulArg = 1;
if( ::ioctlsocket( m_SocketData, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:ioctlsocket failed.\n" );
CLOSESOCKET( m_SocketData );
return FALSE;
}
//-----------------
// <20>`<60><><EFBFBD>b<EFBFBD>g<EFBFBD>p<EFBFBD>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD>쐬
m_SocketChat = ::socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
if( m_SocketChat == INVALID_SOCKET ) {
DEBUGOUT( "create socket failed.[chat]\n" );
Disconnect();
return FALSE;
}
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>L<EFBFBD><4C><EFBFBD>O<EFBFBD><4F><EFBFBD>[<5B>h<EFBFBD>ݒ<EFBFBD>
// unsigned long ulArg = 1;
ulArg = 1;
if( ::ioctlsocket( m_SocketChat, FIONBIO, &ulArg ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:ioctlsocket failed.[chat]\n" );
Disconnect();
return FALSE;
}
//-----------------
// <20>ڑ<EFBFBD><DA91><EFBFBD><EFBFBD><EFBFBD><EFBFBD>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
if( ::WSAAsyncSelect( m_SocketData, m_hWnd, WM_NETPLAY, FD_CONNECT ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:WSAAsyncSelect failed.\n" );
CLOSESOCKET( m_SocketData );
return FALSE;
}
// <20>ڑ<EFBFBD><DA91><EFBFBD><EFBFBD>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD>Ă݂<C482>
ZEROMEMORY( &m_SAddr_Server, sizeof(m_SAddr_Server) );
m_SAddr_Server.sin_family = AF_INET;
m_SAddr_Server.sin_addr.s_addr = IP_address;
m_SAddr_Server.sin_port = ::htons( Port );
if( ::connect( m_SocketData, (struct sockaddr *)&m_SAddr_Server, sizeof(m_SAddr_Server) ) == SOCKET_ERROR ) {
if( ::WSAGetLastError() != WSAEWOULDBLOCK ) {
DEBUGOUT( "CNetPlay:connect failed.\n" );
CLOSESOCKET( m_SocketData );
return FALSE;
}
}
}
return TRUE;
}
void CNetPlay::Disconnect()
{
#if defined(_DEBUG)||defined(_DEBUGOUT)
if( m_bConnect ) {
DEBUGOUT( "CNetPlay::Disconnect\n" );
}
#endif
if( m_hASyncTask ) {
::WSACancelAsyncRequest( m_hASyncTask );
m_hASyncTask = NULL;
}
// <20>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD>V<EFBFBD><56><EFBFBD>b<EFBFBD>g<EFBFBD>_<EFBFBD>E<EFBFBD><45><EFBFBD><EFBFBD><EFBFBD>Ĕj<C494><6A>
if( m_SocketConnect != INVALID_SOCKET ) {
::shutdown( m_SocketConnect, SD_BOTH );
CLOSESOCKET( m_SocketConnect );
}
if( m_SocketData != INVALID_SOCKET ) {
::shutdown( m_SocketData, SD_BOTH );
CLOSESOCKET( m_SocketData );
}
if( m_SocketChat != INVALID_SOCKET ) {
::shutdown( m_SocketChat, SD_BOTH );
CLOSESOCKET( m_SocketChat );
}
m_bConnect = FALSE;
}
INT CNetPlay::Send( BYTE data )
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return -1L;
while( TRUE ) {
if( ::send( m_SocketData, (char*)&data, sizeof(BYTE), 0 ) == SOCKET_ERROR ) {
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD>ꂽ<EFBFBD><EA82BD><EFBFBD><EFBFBD><EFBFBD>m<EFBFBD><6D><EFBFBD>Ȃ<EFBFBD><C882>̂ōēx<C493><78><EFBFBD><EFBFBD>
if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
::Sleep(0); // <20>ł܂<C582><DC82>Ȃ<EFBFBD><C882>[<5B>u
continue;
} else {
// <20>v<EFBFBD><76><EFBFBD>I<EFBFBD>G<EFBFBD><47><EFBFBD>[<5B><><EFBFBD>ۂ<EFBFBD>
DEBUGOUT( "CNetPlay:send failed. code=%d\n", ::WSAGetLastError() );
Disconnect();
return -1L;
}
} else {
break;
}
}
return 0L;
}
INT CNetPlay::Recv( BYTE& data )
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return -1L;
// <20>f<EFBFBD>[<5B>^<5E><><EFBFBD>͂<EFBFBD><CD82>Ă<EFBFBD><C482>邩<EFBFBD><E982A9><EFBFBD>m<EFBFBD>F
unsigned long len = 0;
if( ::ioctlsocket( m_SocketData, FIONREAD, (unsigned long*)&len ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:ioctlsocket failed.\n" );
Disconnect();
return -1L;
}
if( !len ) {
// <20>f<EFBFBD>[<5B>^<5E><><EFBFBD>͂<EFBFBD><CD82>Ă<EFBFBD><C482>Ȃ<EFBFBD>
return 0L;
} else {
// 1<>o<EFBFBD>C<EFBFBD>g<EFBFBD>ǂݍ<C782><DD8D><EFBFBD>
if( ::recv( m_SocketData, (char*)&data, sizeof(BYTE), 0 ) == SOCKET_ERROR ) {
DEBUGOUT( "CNetPlay:recv failed.\n" );
Disconnect();
return -1L;
}
}
return len;
}
INT CNetPlay::RecvTime( BYTE& data, unsigned long timeout )
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return -1L;
INT ret;
DWORD dwTimeOut = ::timeGetTime();
while( (ret = NetPlay.Recv( data )) == 0 ) {
// <20>ł܂<C582><DC82>Ȃ<EFBFBD><C882>[<5B>u
::Sleep( 0 );
// <20>^<5E>C<EFBFBD><43><EFBFBD>A<EFBFBD>E<EFBFBD>g<EFBFBD>̃`<60>F<EFBFBD>b<EFBFBD>N
if( (::timeGetTime()-dwTimeOut) > timeout ) {
return -1;
}
}
return ret;
}
BOOL CNetPlay::RecvBuffer()
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return FALSE;
BYTE buf[SOCKET_RECEIVE_SIZE];
INT recvsize = ::recv( m_SocketData, (char*)buf, SOCKET_RECEIVE_SIZE, 0 );
if( recvsize == 0 ) {
return FALSE;
} else if( recvsize == SOCKET_ERROR ) {
if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
return TRUE;
} else {
DEBUGOUT( "CNetPlay::RecvBuffer failed. [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
return FALSE;
}
} else {
INT p = m_nRecvPtr;
for( INT i = 0; i < recvsize; i++ ) {
m_RecvBuffer[p] = buf[i];
p = (p+1) & SOCKET_BUFFER_SIZE-1;
}
m_nRecvPtr = p;
m_nRecvSize += recvsize;
}
return TRUE;
}
INT CNetPlay::GetRecvBufferSize()
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return 0;
return m_nRecvSize;
}
BOOL CNetPlay::BufferCheck()
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return 0;
// LAN
if( m_nLatency == 0 && m_nRecvSize < SOCKET_BLOCK_SIZE ) {
return -1;
}
// Frame control
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
if( m_nRecvSize < SOCKET_BLOCK_SIZE ) {
return -1; // <20><><EFBFBD><EFBFBD><EFBFBD>҂<EFBFBD><D282>Ă<EFBFBD><C482><EFBFBD>
}
// <20>x<EFBFBD><78><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
if( m_nRecvSize > ((m_nLatency+2)*SOCKET_BLOCK_SIZE) ) {
return 1; // <20><><EFBFBD><EFBFBD><EFBFBD>i<EFBFBD>߂Ă<DF82><C482><EFBFBD>
}
return 0;
}
// <20><><EFBFBD><EFBFBD><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD>(<28><><EFBFBD>C<EFBFBD>e<EFBFBD><65><EFBFBD>V<EFBFBD>̕<EFBFBD><CC95><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɑ<EFBFBD><C991>M<EFBFBD><4D><EFBFBD>ē<EFBFBD><C493><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
INT CNetPlay::Sync()
{
BYTE senddata[SOCKET_BLOCK_SIZE];
DEBUGOUT( "CNetPlay::Sync\n" );
ZEROMEMORY( senddata, sizeof(senddata) );
m_nFrameCount = 0;
m_nRingPtr = m_nSendPtr = m_nRecvPtr = 0;
m_nRecvSize = 0;
DEBUGOUT( "CNetPlay::Sync sending...\n" );
// <20>f<EFBFBD>[<5B>^<5E><><EFBFBD>M
for( INT i = 0; i < m_nLatency+1; i++ ) {
while( TRUE ) {
if( ::send( m_SocketData, (char*)senddata, SOCKET_BLOCK_SIZE, 0 ) == SOCKET_ERROR ) {
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD>ꂽ<EFBFBD><EA82BD><EFBFBD><EFBFBD><EFBFBD>m<EFBFBD><6D><EFBFBD>Ȃ<EFBFBD><C882>̂ōēx<C493><78><EFBFBD><EFBFBD>
if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
DEBUGOUT( "send::WSAEWOULDBLOCK!!\n" );
::Sleep(0); // <20>ł܂<C582><DC82>Ȃ<EFBFBD><C882>[<5B>u
continue;
} else {
// <20>v<EFBFBD><76><EFBFBD>I<EFBFBD>G<EFBFBD><47><EFBFBD>[<5B><><EFBFBD>ۂ<EFBFBD>
DEBUGOUT( "CNetPlay:Sync send failed. [%s]\n", SocketErrorDump( ::WSAGetLastError() ) );
Disconnect();
return -1L;
}
} else {
break;
}
}
m_nSendPtr = (m_nSendPtr+SOCKET_BLOCK_SIZE) & SOCKET_BUFFER_SIZE-1;
}
// <20><><EFBFBD><EFBFBD><EFBFBD>f<EFBFBD>[<5B>^<5E>̃o<CC83>b<EFBFBD>t<EFBFBD>@<40><><EFBFBD><EFBFBD><EFBFBD>O<EFBFBD>f<EFBFBD>[<5B>^<5E>҂<EFBFBD>(10<31>b<EFBFBD>Ń^<5E>C<EFBFBD><43><EFBFBD>A<EFBFBD>E<EFBFBD>g)
DWORD dwTime = ::timeGetTime();
while( m_nRecvSize < (m_nLatency+1)*SOCKET_BLOCK_SIZE ) {
if( !RecvBuffer() ) {
DEBUGOUT( "CNetPlay:recv error.\n" );
Disconnect();
return -1;
}
if( (::timeGetTime()-dwTime) > 10*1000 ) {
DEBUGOUT( "CNetPlay:Sync recv timeout.\n" );
Disconnect();
return -1;
}
::Sleep( 1 );
}
DEBUGOUT( "CNetPlay::Sync OK!\n" );
return 0;
}
// <20>v<EFBFBD><76><EFBFBD>C<EFBFBD><43><EFBFBD>[<5B>L<EFBFBD>[<5B>̍X<CC8D>V
INT CNetPlay::ModifyPlayer( LPBYTE p1, LPBYTE p2 )
{
if( !m_hWnd || !m_bConnect || m_SocketData == INVALID_SOCKET )
return -1L;
// <20><><EFBFBD><EFBFBD><EFBFBD>ׂ<EFBFBD><D782>|<7C>C<EFBFBD><43><EFBFBD>g<EFBFBD>ő<EFBFBD><C591>M
if( m_nFrameCount == 0 ) {
while( TRUE ) {
if( ::send( m_SocketData, (char*)p1, SOCKET_BLOCK_SIZE, 0 ) == SOCKET_ERROR ) {
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD>ꂽ<EFBFBD><EA82BD><EFBFBD><EFBFBD><EFBFBD>m<EFBFBD><6D><EFBFBD>Ȃ<EFBFBD><C882>̂ōēx<C493><78><EFBFBD><EFBFBD>
if( ::WSAGetLastError() == WSAEWOULDBLOCK ) {
DEBUGOUT( "send::WSAEWOULDBLOCK!!\n" );
::Sleep(0); // <20>ł܂<C582><DC82>Ȃ<EFBFBD><C882>[<5B>u
continue;
} else {
// <20>v<EFBFBD><76><EFBFBD>I<EFBFBD>G<EFBFBD><47><EFBFBD>[<5B><><EFBFBD>ۂ<EFBFBD>
DEBUGOUT( "CNetPlay:ModifyPlayer send failed. code=%d\n", ::WSAGetLastError() );
Disconnect();
return -1L;
}
} else {
break;
}
}
// <20>o<EFBFBD>b<EFBFBD>t<EFBFBD>@<40>ɕ<EFBFBD><C995>荞<EFBFBD><E88D9E>
for( INT i = 0; i < SOCKET_BLOCK_SIZE; i++ ) {
m_SendBuffer[ m_nSendPtr ] = p1[i];
m_nSendPtr = (m_nSendPtr+1) & SOCKET_BUFFER_SIZE-1;
}
}
// <20><><EFBFBD><EFBFBD><EFBFBD>f<EFBFBD>[<5B>^<5E>҂<EFBFBD>(10<31>b<EFBFBD>Ń^<5E>C<EFBFBD><43><EFBFBD>A<EFBFBD>E<EFBFBD>g)
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 );
}
// <20><><EFBFBD><EFBFBD><EFBFBD>X<EFBFBD>V
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;
// <20>X<EFBFBD>e<EFBFBD>b<EFBFBD>v<EFBFBD>X<EFBFBD>V
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 )
{
// <20>G<EFBFBD><47><EFBFBD>[<5B>H
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 );
// <20>ڑ<EFBFBD><DA91>p<EFBFBD>\<5C>P<EFBFBD>b<EFBFBD>g<EFBFBD>͕‚<CD95><C282><EFBFBD>
::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<6C>A<EFBFBD><41><EFBFBD>S<EFBFBD><53><EFBFBD>Y<EFBFBD><59><EFBFBD>̖<EFBFBD><CC96><EFBFBD><EFBFBD><EFBFBD>
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;
}
// <20>u<EFBFBD><75><EFBFBD>b<EFBFBD>L<EFBFBD><4C><EFBFBD>O<EFBFBD><4F><EFBFBD>[<5B>h<EFBFBD>ݒ<EFBFBD>
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;
}
// <20>񓯊<EFBFBD><F193AF8A>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
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;
}
// <20>񓯊<EFBFBD><F193AF8A>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
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<>o<EFBFBD>C<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD>_<EFBFBD>~<7E>[<5B>f<EFBFBD>[<5B>^<5E>𑗂<EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD>Ԉ<EFBFBD><D488><EFBFBD><EFBFBD>Ă<EFBFBD><C482>C<EFBFBD><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>c)
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;
}
// <20>񓯊<EFBFBD><F193AF8A>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
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;
}
// <20>񓯊<EFBFBD><F193AF8A>C<EFBFBD>x<EFBFBD><78><EFBFBD>g<EFBFBD>̐ݒ<CC90>
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; // <20>I<EFBFBD>[<5B><>NULL<4C><4C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD><EFBFBD>񑗐M
::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 "";
}
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