Send BinData Contents over a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.SendBd, which sends bytes from a BinData beginning at an offset. A numBytes of 0 sends from the offset through the end of the data.

import { BinData, Socket } from '@chilkat/react-native'

async function chilkatExample() {
  const socket = new Socket();

  // Connect to the server using TLS.
  const bTls = true;
  const maxWaitMs = 5000;
  try {
    await socket.connectAsync('example.com', 5000, bTls, maxWaitMs);
  } catch {
    console.log(socket.lastErrorText);
    return;
  }

  // Place some bytes into a BinData to be sent.
  const bd = new BinData();
  bd.appendString('message payload', 'utf-8');

  // Send bytes from the BinData starting at the given offset.  A numBytes of 0 sends from the offset
  // through the end of the data.
  try {
    await socket.sendBdAsync(bd, 0, 0);
  } catch {
    console.log(socket.lastErrorText);
    return;
  }

  console.log(`Sent ${bd.numBytes} bytes.`);
}