| 1 |
#pragma once |
| 2 |
|
| 3 |
#include "stdafx.h" |
| 4 |
#include "SocketX.h" |
| 5 |
|
| 6 |
////////////////////////////////////////////////////////////////////////// |
| 7 |
|
| 8 |
IMPLEMENT_DYNAMIC(CClientSocket, IBaseSocket) |
| 9 |
|
| 10 |
CClientSocket::CClientSocket() |
| 11 |
{ |
| 12 |
ZeroMemory(&m_PeerAddr, sizeof(m_PeerAddr)); |
| 13 |
} |
| 14 |
|
| 15 |
CClientSocket::~CClientSocket() |
| 16 |
{ |
| 17 |
} |
| 18 |
|
| 19 |
void CClientSocket::OnConnect(SOCKET hSocket, int nErrorCode) |
| 20 |
{ |
| 21 |
SOCKADDR SockAddr; |
| 22 |
NETADDR NetAddr; |
| 23 |
|
| 24 |
if (nErrorCode != 0) |
| 25 |
{ |
| 26 |
TRACE1("***** ERROR: OnConnect(%d) *****\n", nErrorCode); |
| 27 |
return; |
| 28 |
} |
| 29 |
|
| 30 |
if (!doGetPeerName(hSocket, &SockAddr) || !AsyncSelect(FD_CLIENT)) |
| 31 |
{ |
| 32 |
return; |
| 33 |
} |
| 34 |
|
| 35 |
CopyMemory(&m_PeerAddr, &SockAddr, sizeof(m_PeerAddr)); |
| 36 |
|
| 37 |
ConvertSockAddrToNetAddr(&SockAddr, NetAddr); |
| 38 |
m_SockMsg.pTgtObj->OnSocketConnectMessage(m_SockMsg.dwSocketID, NetAddr); |
| 39 |
} |
| 40 |
|
| 41 |
void CClientSocket::OnReceive(SOCKET hSocket, int nErrorCode) |
| 42 |
{ |
| 43 |
CByteArray data; |
| 44 |
SOCKADDR SockAddr; |
| 45 |
NETADDR NetAddr; |
| 46 |
|
| 47 |
if (nErrorCode != 0) |
| 48 |
{ |
| 49 |
TRACE1("***** ERROR: OnReceive(%d) *****\n", nErrorCode); |
| 50 |
return; |
| 51 |
} |
| 52 |
|
| 53 |
if (!doGetPeerName(hSocket, &SockAddr) || !doReceive(hSocket, data)) |
| 54 |
{ |
| 55 |
return; |
| 56 |
} |
| 57 |
|
| 58 |
ConvertSockAddrToNetAddr(&SockAddr, NetAddr); |
| 59 |
m_SockMsg.pTgtObj->OnSocketReceiveMessage(m_SockMsg.dwSocketID, NetAddr, data); |
| 60 |
} |
| 61 |
|
| 62 |
void CClientSocket::OnSend(SOCKET hSocket, int nErrorCode) |
| 63 |
{ |
| 64 |
if (nErrorCode != 0) |
| 65 |
{ |
| 66 |
TRACE1("***** ERROR: OnSend(%d) *****\n", nErrorCode); |
| 67 |
return; |
| 68 |
} |
| 69 |
|
| 70 |
m_SockMsg.pTgtObj->OnSocketSendMessage(m_SockMsg.dwSocketID); |
| 71 |
} |
| 72 |
|
| 73 |
void CClientSocket::OnClose(SOCKET hSocket, int nErrorCode) |
| 74 |
{ |
| 75 |
NETADDR NetAddr; |
| 76 |
|
| 77 |
// WinSock Error(10053) Keep-Alive timeout |
| 78 |
if (nErrorCode != 10053 && nErrorCode != 0) |
| 79 |
{ |
| 80 |
TRACE1("***** ERROR: OnClose(%d) *****\n", nErrorCode); |
| 81 |
return; |
| 82 |
} |
| 83 |
|
| 84 |
ConvertSockAddrToNetAddr(&m_PeerAddr, NetAddr); |
| 85 |
m_SockMsg.pTgtObj->OnSocketCloseMessage(m_SockMsg.dwSocketID, NetAddr); |
| 86 |
} |
| 87 |
|
| 88 |
BOOL CClientSocket::CreateSocket(SOCKMSG SockMsg) |
| 89 |
{ |
| 90 |
if (!IBaseSocket::CreateSocketWindow()) |
| 91 |
{ |
| 92 |
return FALSE; |
| 93 |
} |
| 94 |
|
| 95 |
SetTargetWnd(SockMsg); |
| 96 |
|
| 97 |
m_hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 98 |
|
| 99 |
if (m_hSocket == INVALID_SOCKET) |
| 100 |
{ |
| 101 |
TRACE1("***** ERROR: socket(%d) *****\n", GetLastError()); |
| 102 |
m_dwError = GetLastError(); |
| 103 |
return FALSE; |
| 104 |
} |
| 105 |
|
| 106 |
SetSendTimeout(m_dwSendTimeout); |
| 107 |
SetRecieveTimeout(m_dwReceiveTimeout); |
| 108 |
|
| 109 |
return TRUE; |
| 110 |
} |
| 111 |
|
| 112 |
BOOL CClientSocket::Initialize(SOCKMSG SockMsg) |
| 113 |
{ |
| 114 |
BOOL fSend, fReceive, flag = TRUE; |
| 115 |
|
| 116 |
if (!CreateSocket(SockMsg)) |
| 117 |
{ |
| 118 |
return FALSE; |
| 119 |
} |
| 120 |
|
| 121 |
// TCP Option(no delay) |
| 122 |
if (!SetSockOpt(TCP_NODELAY, (LPSTR)&flag, sizeof(flag))) |
| 123 |
{ |
| 124 |
CloseSocket(); |
| 125 |
return FALSE; |
| 126 |
} |
| 127 |
|
| 128 |
// buffer size |
| 129 |
fSend = fReceive = FALSE; |
| 130 |
|
| 131 |
for (UINT nBufSize = SX_TCP_MAXBUFSIZE; nBufSize > 0; nBufSize /= 2) |
| 132 |
{ |
| 133 |
if (!fSend && SetSendBufferSize(nBufSize)) |
| 134 |
{ |
| 135 |
fSend = TRUE; |
| 136 |
} |
| 137 |
|
| 138 |
if (!fReceive && SetReceiveBufferSize(nBufSize)) |
| 139 |
{ |
| 140 |
fReceive = TRUE; |
| 141 |
} |
| 142 |
|
| 143 |
if (fSend && fReceive && TRUE) |
| 144 |
{ |
| 145 |
break; |
| 146 |
} |
| 147 |
} |
| 148 |
|
| 149 |
return TRUE; |
| 150 |
} |
| 151 |
|
| 152 |
BOOL CClientSocket::SyncConnect(const LPSOCKADDR lpDstAddr, int nLength, DWORD dwTimeout) |
| 153 |
{ |
| 154 |
WSANETWORKEVENTS wnEvent; |
| 155 |
WSAEVENT hEvent; |
| 156 |
DWORD dwRet, dwOption, dwError; |
| 157 |
BOOL fRet = FALSE; |
| 158 |
int nRet; |
| 159 |
|
| 160 |
hEvent = WSACreateEvent(); |
| 161 |
|
| 162 |
if (hEvent == WSA_INVALID_EVENT) |
| 163 |
{ |
| 164 |
TRACE1("***** ERROR: WSACreateEvent(%d) *****\n", GetLastError()); |
| 165 |
m_dwError = GetLastError(); |
| 166 |
return FALSE; |
| 167 |
} |
| 168 |
|
| 169 |
nRet = WSAEventSelect(m_hSocket, hEvent, FD_CONNECT); |
| 170 |
|
| 171 |
if (nRet == SOCKET_ERROR) |
| 172 |
{ |
| 173 |
TRACE1("***** ERROR: WSAEventSelect(%d) *****\n", GetLastError()); |
| 174 |
m_dwError = GetLastError(); |
| 175 |
WSACloseEvent(hEvent); |
| 176 |
return FALSE; |
| 177 |
} |
| 178 |
|
| 179 |
nRet = connect(m_hSocket, lpDstAddr, nLength); |
| 180 |
|
| 181 |
if (nRet == SOCKET_ERROR) |
| 182 |
{ |
| 183 |
dwError = GetLastError(); |
| 184 |
|
| 185 |
if (dwError != WSAEWOULDBLOCK) |
| 186 |
{ |
| 187 |
TRACE1("***** ERROR: connect(%d) *****\n", GetLastError()); |
| 188 |
m_dwError = dwError; |
| 189 |
goto END; |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
// Wait... |
| 194 |
dwRet = WSAWaitForMultipleEvents(1, &hEvent, FALSE, dwTimeout, FALSE); |
| 195 |
|
| 196 |
switch (dwRet) |
| 197 |
{ |
| 198 |
case WSA_WAIT_TIMEOUT: |
| 199 |
case WSA_WAIT_FAILED: |
| 200 |
TRACE1("***** ERROR: WSAWaitForMultipleEvents(%d) *****\n", GetLastError()); |
| 201 |
m_dwError = GetLastError(); |
| 202 |
goto END; |
| 203 |
|
| 204 |
default: |
| 205 |
nRet = WSAEnumNetworkEvents(m_hSocket, hEvent, &wnEvent); |
| 206 |
|
| 207 |
if (nRet == SOCKET_ERROR) |
| 208 |
{ |
| 209 |
TRACE1("***** ERROR: WSAEnumNetworkEvents(%d) *****\n", GetLastError()); |
| 210 |
m_dwError = GetLastError(); |
| 211 |
goto END; |
| 212 |
} |
| 213 |
|
| 214 |
if ((wnEvent.lNetworkEvents & FD_CONNECT) && |
| 215 |
(wnEvent.iErrorCode[FD_CONNECT_BIT] == 0)) |
| 216 |
{ |
| 217 |
fRet = TRUE; |
| 218 |
} |
| 219 |
} |
| 220 |
|
| 221 |
END: |
| 222 |
WSAEventSelect(m_hSocket, hEvent, 0); |
| 223 |
WSACloseEvent(hEvent); |
| 224 |
|
| 225 |
// Blocking socket |
| 226 |
dwOption = 0; |
| 227 |
IOCtlSocket(FIONBIO, &dwOption); |
| 228 |
|
| 229 |
return fRet; |
| 230 |
} |
| 231 |
|
| 232 |
BOOL CClientSocket::SyncConnect(const LPCSTR lpDstAddr, WORD wPort, int nLength, DWORD dwTimeout) |
| 233 |
{ |
| 234 |
SOCKADDR_IN siAddr; |
| 235 |
MakeSockAddrIN(&siAddr, inet_addr(lpDstAddr), wPort); |
| 236 |
return SyncConnect((LPSOCKADDR)&siAddr, sizeof(siAddr), dwTimeout); |
| 237 |
} |
| 238 |
|
| 239 |
BOOL CClientSocket::AsyncConnect(const LPSOCKADDR lpDstAddr, int nLength) |
| 240 |
{ |
| 241 |
if (!AsyncSelect(FD_CONNECT)) |
| 242 |
{ |
| 243 |
return FALSE; |
| 244 |
} |
| 245 |
|
| 246 |
if (connect(m_hSocket, lpDstAddr, nLength) == SOCKET_ERROR) |
| 247 |
{ |
| 248 |
m_dwError = GetLastError(); |
| 249 |
|
| 250 |
if (m_dwError != WSAEWOULDBLOCK) |
| 251 |
{ |
| 252 |
TRACE1("***** ERROR: connect(%d) *****\n", GetLastError()); |
| 253 |
return FALSE; |
| 254 |
} |
| 255 |
} |
| 256 |
|
| 257 |
return TRUE; |
| 258 |
} |
| 259 |
|
| 260 |
BOOL CClientSocket::AsyncConnect(const LPCSTR lpDstAddr, WORD wPort, int nLength) |
| 261 |
{ |
| 262 |
SOCKADDR_IN siAddr; |
| 263 |
MakeSockAddrIN(&siAddr, inet_addr(lpDstAddr), wPort); |
| 264 |
return AsyncConnect((LPSOCKADDR)&siAddr, sizeof(siAddr)); |
| 265 |
} |
| 266 |
|
| 267 |
////////////////////////////////////////////////////////////////////////// |
Parent Directory
Revision Log