Advantech EDG-4516+ Manual de usuario descargar pdf (Pagina 82)

EDG-4508+/4516+ User Manual 70

Example (EDG-4508+U):

SOCKADDR_IN HostAddr;

SOCKET HostSock;

SOCKADDR_IN ClntAddr;

SOCKET ClntSock;

int ClntAddrLen;

char RxData[256];

memset(&HostAddr, 0, sizeof(SOCKADDR_IN));

HostAddr..sin_family = AF_INET;

HostAddr..sin_addr.s_addr = INADDR_ANY;

HostAddr.sin_port = htons(5201);

//Define the TCP port of host PC. It's the same as the value that you key-

in it in the "Peer for Receiving Data" item of configuration utility//

HostSock = socket(AF_INET, SOCK_STREAM, 0);

// Create the socket of TCP on the Host//

bind(HostSock,(sockaddr *)&HostAddr, sizeof(HostAddr));

listen(HostSock, 1);

ClntAddrLen=sizeof(ClntAddr);

ClntSock = accept(HostSock, (sockaddr *)&ClntAddr, &ClntAddrLen);

//The host PC accepts the connection request from the EDG-4508+U/

EDG-4516+U //

recv(ClntSock, RxData, 256, 0);

//Receive the data from the port of EDG-4508+U/EDG-4516+U //

closesocket(ClntSock);

//Disconnect from the EDG-4508+U/EDG-4516+U //

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Advantech EDG-4516+ Manual de usuario Pagina 82