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.

LOCAL nSuccess
LOCAL oSocket
LOCAL nBTls
LOCAL nMaxWaitMs
LOCAL cCommand
LOCAL cFirstChunk

nSuccess := 0

oSocket := CreateObject("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.
nBTls := 1
nMaxWaitMs := 5000
nSuccess := oSocket:Connect("example.com", 5000, nBTls, nMaxWaitMs)
IF (nSuccess == 0)
    ? oSocket:LastErrorText
    oSocket:destroy()
    RETURN
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.
cCommand := "STATUS" + Chr(13) + Chr(10)
nSuccess := oSocket:SendString(cCommand)
IF (nSuccess == 0)
    ? oSocket:LastErrorText
    oSocket:destroy()
    RETURN
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.
cFirstChunk := oSocket:ReceiveStringMaxN(64)
IF (oSocket:LastMethodSuccess == 0)
    ? oSocket:LastErrorText
    oSocket:destroy()
    RETURN
ENDIF

? cFirstChunk

oSocket:destroy()