Receive Text up to a Matching Sequence

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveUntilMatch, which receives bytes until an exact byte sequence is found. The match string is encoded using StringCharset and compared byte-for-byte.

load ./chilkat.dll

set success 0

set socket [new_CkSocket]

#  Connect to the server using TLS.  The 3rd argument enables the TLS handshake after the TCP
#  connection succeeds; the 4th is the maximum time to wait, in milliseconds.
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
}

#  StringCharset controls the character encoding used when sending and receiving text.
CkSocket_put_StringCharset $socket "utf-8"
#  Send a request using a simple application-defined text protocol in which each message ends with a
#  CRLF.
set command "STATUS\r\n"
set success [CkSocket_SendString $socket $command]
if {$success == 0} then {
    puts [CkSocket_lastErrorText $socket]
    delete_CkSocket $socket
    exit
}

#  Receive bytes until an exact byte sequence is found.  The match string is encoded using
#  StringCharset and compared byte-for-byte.  Here the server marks the end of its response with an
#  application-defined marker.
set response [CkSocket_receiveUntilMatch $socket "<EOM>"]
if {[CkSocket_get_LastMethodSuccess $socket] == 0} then {
    puts [CkSocket_lastErrorText $socket]
    delete_CkSocket $socket
    exit
}

puts "$response"

delete_CkSocket $socket