PHP

Receive an Exact Number of Bytes into a BinData

Demonstrates Socket.ReceiveBdN, which receives exactly the requested number of bytes and appends them to a BinData, continuing until the full count is satisfied.

Background. Inactivity is controlled by MaxReadIdleMs: the call fails if incoming bytes halt for longer than MaxReadIdleMs milliseconds before the full amount is received. A single receive returns only what is currently available, whereas this counted receive waits for an exact number of bytes.

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Chilkat2 PHP

<?php

use Chilkat2\BinData;
use Chilkat2\Socket;

$socket = new Socket();

// Connect to the server using TLS.
$bTls = true;
$maxWaitMs = 5000;
try {
    $socket->Connect('example.com', 5000, $bTls, $maxWaitMs);

    // MaxReadIdleMs controls the inactivity limit for receiving.  The ReceiveBdN call will fail if
    // incoming bytes halt for longer than this many milliseconds before the full amount is received.
    $socket->MaxReadIdleMs = 15000;

    // Receive exactly the requested number of bytes, appending them to a BinData.  The method continues
    // receiving until the full count is satisfied or a failure occurs.
    $bd = new BinData();
    $socket->ReceiveBdN(256, $bd);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo 'Received ', $bd->NumBytes, " bytes.\n";