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Node.js

Receive a 16-bit Integer from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveInt16, which reads exactly two bytes as a 16-bit integer and stores the result in the ReceivedInt property. Byte order and signedness are selectable.

Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var socket = new chilkat.Socket();

    //  Connect to the server using TLS.
    var bTls = true;
    var maxWaitMs = 5000;
    success = socket.Connect("example.com",5000,bTls,maxWaitMs);
    if (success == false) {
        console.log(socket.LastErrorText);
        return;
    }

    //  Read exactly two bytes as a 16-bit integer and store the result in the ReceivedInt property.
    //  The 1st argument selects byte order (true = big-endian); the 2nd selects unsigned interpretation.
    var bBigEndian = true;
    var bUnsigned = false;
    success = socket.ReceiveInt16(bBigEndian,bUnsigned);
    if (success == false) {
        console.log(socket.LastErrorText);
        return;
    }

    console.log("Received 16-bit integer: " + socket.ReceivedInt);

}

chilkatExample();