Receive Text up to a Match into a StringBuilder

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveUntilMatchSb, which receives bytes until an exact byte sequence is found and appends the received text to a StringBuilder.

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoSocket
    Boolean iBTls
    Integer iMaxWaitMs
    String sCommand
    Variant vSb
    Handle hoSb
    String sResponse
    String sTemp1
    Boolean bTemp1

    Move False To iSuccess

    Get Create (RefClass(cComChilkatSocket)) To hoSocket
    If (Not(IsComObjectCreated(hoSocket))) Begin
        Send CreateComObject of hoSocket
    End

    //  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.
    Move True To iBTls
    Move 5000 To iMaxWaitMs
    Get ComConnect Of hoSocket "example.com" 5000 iBTls iMaxWaitMs To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  StringCharset controls the character encoding used when sending and receiving text.
    Set ComStringCharset Of hoSocket To "utf-8"
    //  Send a request using a simple application-defined text protocol in which each message ends with a
    //  CRLF.
    Move "STATUS" + (character(13)) + (character(10)) To sCommand
    Get ComSendString Of hoSocket sCommand To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Receive bytes until an exact byte sequence is found, appending the received text to a
    //  StringBuilder.  The match may span multiple underlying network reads.
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSb
    If (Not(IsComObjectCreated(hoSb))) Begin
        Send CreateComObject of hoSb
    End
    Get pvComObject of hoSb to vSb
    Get ComReceiveUntilMatchSb Of hoSocket "<EOM>" vSb To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComGetAsString Of hoSb To sResponse
    Get ComLastMethodSuccess Of hoSb To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoSb To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln sResponse


End_Procedure