AutoIt

Send a Staged REST Request with No Body

Demonstrates Rest.SendReqNoBody, which sends a request without a body as the first step of the staged request model. After it succeeds, the response header and body are read separately.

Background. The staged request model separates sending from reading: a SendReq method transmits the request, ReadResponseHeader reads the status line and headers, and a ReadResp method reads the body. This gives fine control over large or streamed messages compared with the single-call full-request methods.

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Local $bSuccess = False

$oRest = ObjCreate("Chilkat.Rest")
Local $bTls = True
Local $bAutoReconnect = True
$bSuccess = $oRest.Connect("example.com",443,$bTls,$bAutoReconnect)
If ($bSuccess = False) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

;  Send a request without a request body.  This is a low-level send: after it succeeds, read the
;  response header and body separately.
$bSuccess = $oRest.SendReqNoBody("GET","/api/items/123")
If ($bSuccess = False) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

;  After sending, read the response status line and header fields.  The return value is the HTTP
;  status code, or -1 if no response was received.
Local $iStatusCode = $oRest.ReadResponseHeader()
If ($iStatusCode < 0) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Response status code: " & $iStatusCode & @CRLF)

;  Read the response body as text.
Local $sResponseBody = $oRest.ReadRespBodyString()
If ($oRest.LastMethodSuccess = False) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite($sResponseBody & @CRLF)