Shulou(Shulou.com)06/02 Report--

Header file

# include

# include

# include

# include

# include

# pragma comment (lib, "WS2_32.lib")

source code

/ / initialize Winsock

WSADATA wsaData

Int iResult

IResult = WSAStartup (MAKEWORD (2,2), & wsaData)

If (iResult! = 0) {

Printf ("WSAStartup failed:% d\ n", iResult)

Return NULL

}

/ / get connection properties

Struct addrinfo * result = NULL, * ptr = NULL, hints

ZeroMemory (& hints, sizeof (hints))

Hints.ai_family = AF_INET

Hints.ai_socktype = SOCK_STREAM

Hints.ai_protocol = IPPROTO_TCP

IResult = getaddrinfo ("192.168.0.18", "7002", & hints, & result)

/ / iResult = getaddrinfo ("192.168.37.187", "7002", & hints, & result)

If (iResult! = 0) {

Printf ("getaddrinfo failed:% d\ n", iResult)

WSACleanup ()

Return NULL

}

/ / create a Socket object

Ptr = result

SOCKET ConnectSocket = INVALID_SOCKET

ConnectSocket = socket (ptr- > ai_family, ptr- > ai_socktype, ptr- > ai_protocol)

If (ConnectSocket = = INVALID_SOCKET) {

Printf ("Error at socket ():% ld\ n", WSAGetLastError ())

Freeaddrinfo (result)

WSACleanup ()

Return NULL

}

/ / Link

IResult = connect (ConnectSocket, ptr- > ai_addr, (int) ptr- > ai_addrlen)

If (iResult = = SOCKET_ERROR) {

Printf ("Error at socket ():% ld\ n", WSAGetLastError ())

Closesocket (ConnectSocket)

ConnectSocket = INVALID_SOCKET

}

Int nSendBuf = 32 * 1000ram / set to 32K

Setsockopt (ConnectSocket, SOL_SOCKET, SO_RCVTIMEO, (const char*) & nSendBuf, sizeof (int))

/ / Should really try the next address returned by getaddrinfo

/ / if the connect call failed

/ / But for this simple example we just free the resources

/ / returned by getaddrinfo and print an arror message

/ / freeaddrinfo (result)

If (ConnectSocket = = INVALID_SOCKET) {

Printf ("Unable to connect to server!\ n")

WSACleanup ()

Return NULL

}

Send (ConnectSocket, strSendContext.c_str (), strSendContext.length (), 0)

Char szbuffer [1024] = {0}

Recv (ConnectSocket, szbuffer, 1024, 0)

:: closesocket (ConnectSocket)

Description

Current embedded code for automated testing

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