Agilent Technologies E4406A VSA Programming Examples, Using Java Programming Over Socket LAN

Programming Examples

Using Java Programming Over Socket LAN

Socks(URL appletB)

{

appletBase = appletB;

//Set up for port array. port[SCPI] = SCPI_PORT;

//Initialize the sock array

for ( int i = 0; i < MAX_NUM_OF_SOCKETS; i++ ) { sock[i] = null;

sockIn[i] = null; sockOut[i] = null; sockOpen[i] = false;

}

}

//***** Sockects open/close routines

//Open the socket(s) if not already opened public void OpenSockets()

{

try {

//Open each socket if possible

for ( int i = 0; i < MAX_NUM_OF_SOCKETS; i++ ) { if ( !sockOpen[i] ) {

sock[i] = new Socket(appletBase.getHost(),port[i]); sockIn[i] = new DataInputStream(sock[i].getInputStream()); sockOut[i] = new PrintStream(sock[i].getOutputStream()); if ( (sock[i] != null) && (sockIn[i] != null) &&

(sockOut[i] != null) ) { sockOpen[i] = true;

}

}

}

}

catch (IOException e) {

System.out.println("Sock, Open Error "+e.getMessage());

176 Chapter 3