Tcl

Receive Bytes as Encoded Text from a Socket

Demonstrates Socket.ReceiveBytesENC, which receives one delivery of binary data and returns it encoded as text using a named encoding.

Background. The ENC methods move raw binary data to and from printable text using a named encoding such as base64 or hex, which is convenient for logging or for handling binary data as strings.

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Tcl


load ./chilkat.dll

set success 0

set socket [new_CkSocket]

#  Connect to the server using TLS.
set bTls 1
set maxWaitMs 5000
set success [CkSocket_Connect $socket "example.com" 5000 $bTls $maxWaitMs]
if {$success == 0} then {
    puts [CkSocket_lastErrorText $socket]
    delete_CkSocket $socket
    exit
}

#  Receive one delivery of binary data and return it encoded as text using the named encoding.  This
#  is convenient for logging or transporting binary data as printable text.
set encoded [CkSocket_receiveBytesENC $socket "base64"]
if {[CkSocket_get_LastMethodSuccess $socket] == 0} then {
    puts [CkSocket_lastErrorText $socket]
    delete_CkSocket $socket
    exit
}

puts "$encoded"

delete_CkSocket $socket