Message* CIMClientRep::_doRequest(
AutoPtr<CIMRequestMessage>& request,
const Uint32 expectedResponseMessageType
)
{
if (!_connected)
{
request.reset();
throw NotConnectedException();
}
String messageId = XmlWriter::getNextMessageId();
const_cast<String &>(request->messageId) = messageId;
_authenticator.setRequestMessage(0);
// ATTN-RK-P2-20020416: We should probably clear out the queue first.
PEGASUS_ASSERT(getCount() == 0); // Shouldn't be any messages in our queue
//
// Set HTTP method in request to POST
//
//Bug 478/418 - Change this to do post call, not mpost
request->setHttpMethod (HTTP_METHOD__POST);
// l10n
// Set the Accept-Languages and Content-Languages into
// the request message
request->operationContext.set(AcceptLanguageListContainer(requestAcceptLanguages));
request->operationContext.set(ContentLanguageListContainer(requestContentLanguages));
//gathering statistical information about client operation
ClientPerfDataStore* perfDataStore = ClientPerfDataStore::Instance();
perfDataStore->reset();
perfDataStore->setOperationType(request->getType());
perfDataStore->setMessageID(request->messageId);
// Sending a new request, so clear out the response Content-Languages
responseContentLanguages = ContentLanguages::EMPTY;
_requestEncoder->enqueue(request.get());
request.release();
Uint64 startMilliseconds = TimeValue::getCurrentTime().toMilliseconds();
Uint64 nowMilliseconds = startMilliseconds;
Uint64 stopMilliseconds = nowMilliseconds + _timeoutMilliseconds;
while (nowMilliseconds < stopMilliseconds)
{
//
// Wait until the timeout expires or an event occurs:
//
_monitor->run(Uint32(stopMilliseconds - nowMilliseconds));
//
// Check to see if incoming queue has a message
//
Message* response = dequeue();
if (response)
{
// Shouldn't be any more messages in our queue
PEGASUS_ASSERT(getCount() == 0);
//
// Reconnect to reset the connection
// if Server response contained a Connection: Close Header
//
if (response->getCloseConnect() == true) {
_reconnect();
response->setCloseConnect(false);
}
//
// Future: If M-POST is used and HTTP response is 501 Not
// Implemented or 510 Not Extended, retry with POST method
//
if (response->getType() == CLIENT_EXCEPTION_MESSAGE)
{
Exception* clientException =
((ClientExceptionMessage*)response)->clientException;
delete response;
AutoPtr<Exception> d(clientException);
// Make the ContentLanguage of the exception available through
// the CIMClient API (its also available in the exception).
responseContentLanguages = clientException->getContentLanguages();
//
// Determine and throw the specific class of client exception
//
CIMClientMalformedHTTPException* malformedHTTPException =
dynamic_cast<CIMClientMalformedHTTPException*>(
clientException);
if (malformedHTTPException)
{
throw *malformedHTTPException;
}
CIMClientHTTPErrorException* httpErrorException =
dynamic_cast<CIMClientHTTPErrorException*>(
clientException);
if (httpErrorException)
{
throw *httpErrorException;
}
CIMClientXmlException* xmlException =
dynamic_cast<CIMClientXmlException*>(clientException);
if (xmlException)
{
throw *xmlException;
}
CIMClientResponseException* responseException =
dynamic_cast<CIMClientResponseException*>(clientException);
if (responseException)
{
throw *responseException;
}
CIMException* cimException =
dynamic_cast<CIMException*>(clientException);
if (cimException)
{
throw *cimException;
}
throw *clientException;
}
else if (response->getType() == expectedResponseMessageType)
{
CIMResponseMessage* cimResponse = (CIMResponseMessage*)response;
if (cimResponse->messageId != messageId)
{
// l10n
// CIMClientResponseException responseException(
// String("Mismatched response message ID: Got \"") +
// cimResponse->messageId + "\", expected \"" +
// messageId + "\".");
MessageLoaderParms mlParms(
"Client.CIMClient.MISMATCHED_RESPONSE",
"Mismatched response message ID: Got \"$0\", "
"expected \"$1\".",
cimResponse->messageId, messageId);
String mlString(MessageLoader::getMessage(mlParms));
CIMClientResponseException responseException(mlString);
delete response;
throw responseException;
}
// l10n
// Get the Content-Languages from the response's operationContext
// and make available through the CIMClient API
responseContentLanguages =
((ContentLanguageListContainer)cimResponse->operationContext.get
(ContentLanguageListContainer::NAME)).getLanguages();
if (cimResponse->cimException.getCode() != CIM_ERR_SUCCESS)
{
CIMException cimException(
cimResponse->cimException.getCode(),
cimResponse->cimException.getMessage());
cimException.setContentLanguages(responseContentLanguages);
delete response;
throw cimException;
}
/* if excicution gets here everytihng is working correctly and a proper response
was generated and recived */
//check that client side statistics are valid before handing them to the
// client application via a call back
Boolean re_check = perfDataStore->checkMessageIDandType(cimResponse->messageId,
cimResponse->getType());
if (re_check && !perfDataStore->getStatError() && perfDataStore->isClassRegistered())
{
//if callback method throws an exception it will be seen by the client
//no try/catch block is used here intentionaly - becasue exceptions
//come from the client application so client app. should handle them
ClientOpPerformanceData item = perfDataStore->createPerfDataStruct();
perfDataStore->handler_prt->handleClientOpPerformanceData(item);
}//end of if statmet that call the callback method
return response;
}
else if (dynamic_cast<CIMRequestMessage*>(response) != 0)
{
// Respond to an authentication challenge
_requestEncoder->enqueue(response);
nowMilliseconds = TimeValue::getCurrentTime().toMilliseconds();
stopMilliseconds = nowMilliseconds + _timeoutMilliseconds;
continue;
}
else
{
// l10n
// CIMClientResponseException responseException(
// "Mismatched response message type.");
MessageLoaderParms mlParms(
"Client.CIMOperationResponseDecoder.MISMATCHED_RESPONSE_TYPE",
"Mismatched response message type.");
String mlString(MessageLoader::getMessage(mlParms));
CIMClientResponseException responseException(mlString);
delete response;
throw responseException;
}
}
nowMilliseconds = TimeValue::getCurrentTime().toMilliseconds();
pegasus_yield();
}
//
// Reconnect to reset the connection (disregard late response)
//
try
{
_reconnect();
}
catch (...)
{
}
//
// Throw timed out exception:
//
throw ConnectionTimeoutException();
}
Buffer WbemExecClient::issueRequest(const Buffer& request)
{
if (!_connected)
{
throw NotConnectedException();
}
HTTPMessage* httpRequest = new HTTPMessage(request);
// Note: A historical defect in the calculation of the Content-Length
// header makes it possible that wbemexec input files exist with a
// Content-Length value one larger than the actual content size. Adding
// and extra newline character to the end of the message keeps those old
// scripts working.
httpRequest->message << "\n";
_authenticator.setRequestMessage(httpRequest);
Boolean haveBeenChallenged = false;
HTTPMessage* httpResponse;
while (1)
{
HTTPMessage* httpRequestCopy =
new HTTPMessage(*(HTTPMessage*)_authenticator.getRequestMessage());
_addAuthHeader(httpRequestCopy);
Message* response = _doRequest(httpRequestCopy);
PEGASUS_ASSERT(response->getType() == HTTP_MESSAGE);
httpResponse = (HTTPMessage*)response;
// If we've already been challenged or if the response does not
// contain a challenge, there is nothing more to do.
String startLine;
Array<HTTPHeader> headers;
Uint32 contentLength;
httpResponse->parse(startLine, headers, contentLength);
if (haveBeenChallenged || !_checkNeedToResend(headers))
{
break;
}
// If the challenge contains a Connection: Close header, reestablish
// the connection.
String connectionHeader;
if (HTTPMessage::lookupHeader(
headers, "Connection", connectionHeader, false))
{
if (String::equalNoCase(connectionHeader, "Close"))
{
_reconnect();
}
}
// Prompt for a password, if necessary
if ((_password == String::EMPTY) && _isRemote)
{
_password = _promptForPassword();
_authenticator.setPassword(_password);
}
haveBeenChallenged = true;
delete httpResponse;
}
AutoPtr<HTTPMessage> origRequest(
(HTTPMessage*)_authenticator.releaseRequestMessage());
AutoPtr<HTTPMessage> destroyer(httpResponse);
return httpResponse->message;
}
void /*PORT_NAME*/_read() {
if (!/*PORT_NAME*/_client.connected()) {
/*PORT_NAME*/_reconnect();
}
/*PORT_NAME*/_client.loop();
}
