(PowerShell) Socket Send and Receive BinData

Demonstrates the Chilkat Socket ReceiveBdN and SendBd methods.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$sock = New-Object Chilkat.Socket

# --------------------------------------------------------------------
# This example uses the public TCP echo service at https://tcpbin.com/
# --------------------------------------------------------------------

$useTls = $false
$port = 4242
$maxWaitMs = 5000
$success = $sock.Connect("tcpbin.com",$port,$useTls,$maxWaitMs)
if ($success -eq $false) {
    $($sock.LastErrorText)
    exit
}

# Wait a max of 2 seconds for a response..
$sock.MaxReadIdleMs = 2000

# Send 26 bytes contained in a Chilkat BinData
$bdToSend = New-Object Chilkat.BinData
$i = 0
$byteVal = 65
while ($i -lt 26) {
    $bdToSend.AppendByte($byteVal)
    $byteVal = $byteVal + 1
    $i = $i + 1
}

# Send the contents of the BinData
# Pass zero's in the 2nd and 3rd arguments to send the entire contents of the BinData.
$sock.SendBd($bdToSend,0,0)

# The tcpbin.com echo server only echoes after receiving an LF (linefeed char)
$sock.SendByte(10)

# The echo server will echo back whatever is sent to it.
# We should be able to read the same bytes back..
$bdRecv = New-Object Chilkat.BinData
# Receive the 26 bytes previously sent, plus the LF char.
$success = $sock.ReceiveBdN(27,$bdRecv)
if ($success -eq $false) {
    $($sock.LastErrorText)
    exit
}

# Show the contents of bdRecv in hex format
$($bdRecv.GetEncoded("hex"))

# Output:  4142434445464748494A4B4C4D4E4F505152535455565758595A0A