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Receive a Bounded String from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveStringMaxN, which receives and decodes text like ReceiveString but reads at most a given number of input bytes.

Background. The limit is measured in bytes, not Unicode characters, so a byte limit can split a multibyte character or a protocol token. Decoding uses StringCharset.

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Local $bSuccess = False

$oSocket = ObjCreate("Chilkat.Socket")

;  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.
Local $bTls = True
Local $iMaxWaitMs = 5000
$bSuccess = $oSocket.Connect("example.com",5000,$bTls,$iMaxWaitMs)
If ($bSuccess = False) Then
    ConsoleWrite($oSocket.LastErrorText & @CRLF)
    Exit
EndIf

;  StringCharset controls the character encoding used when sending and receiving text.
$oSocket.StringCharset = "utf-8"
;  Send a request using a simple application-defined text protocol in which each message ends with a
;  CRLF.
Local $sCommand = "STATUS" & @CRLF
$bSuccess = $oSocket.SendString($sCommand)
If ($bSuccess = False) Then
    ConsoleWrite($oSocket.LastErrorText & @CRLF)
    Exit
EndIf

;  Receive and decode text like ReceiveString, but read at most the given number of input bytes.
;  The limit is measured in bytes, not Unicode characters.
Local $sFirstChunk = $oSocket.ReceiveStringMaxN(64)
If ($oSocket.LastMethodSuccess = False) Then
    ConsoleWrite($oSocket.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite($sFirstChunk & @CRLF)