зеркало из https://github.com/mozilla/gecko-dev.git
321 строка
8.4 KiB
C++
321 строка
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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// datetime implementation
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#include "nsDateTimeChannel.h"
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#include "nsIServiceManager.h"
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#include "nsILoadGroup.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsXPIDLString.h"
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#include "nsISocketTransportService.h"
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static NS_DEFINE_CID(kSocketTransportServiceCID, NS_SOCKETTRANSPORTSERVICE_CID);
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// nsDateTimeChannel methods
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nsDateTimeChannel::nsDateTimeChannel() {
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NS_INIT_REFCNT();
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mContentLength = -1;
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mPort = -1;
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}
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nsDateTimeChannel::~nsDateTimeChannel() {
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}
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NS_IMPL_ISUPPORTS4(nsDateTimeChannel, nsIChannel, nsIRequest, nsIStreamListener, nsIStreamObserver)
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nsresult
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nsDateTimeChannel::Init(const char* verb,
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nsIURI* uri,
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nsILoadGroup* aLoadGroup,
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nsIInterfaceRequestor* notificationCallbacks,
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nsLoadFlags loadAttributes,
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nsIURI* originalURI,
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PRUint32 bufferSegmentSize,
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PRUint32 bufferMaxSize)
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{
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nsresult rv;
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mOriginalURI = originalURI ? originalURI : uri;
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mUrl = uri;
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rv = SetLoadAttributes(loadAttributes);
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if (NS_FAILED(rv)) return rv;
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rv = SetLoadGroup(aLoadGroup);
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if (NS_FAILED(rv)) return rv;
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rv = SetNotificationCallbacks(notificationCallbacks);
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if (NS_FAILED(rv)) return rv;
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rv = mUrl->GetPort(&mPort);
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if (NS_FAILED(rv) || mPort < 1)
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mPort = DATETIME_PORT;
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rv = mUrl->GetPath(getter_Copies(mHost));
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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NS_METHOD
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nsDateTimeChannel::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult)
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{
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nsDateTimeChannel* dc = new nsDateTimeChannel();
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if (dc == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(dc);
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nsresult rv = dc->QueryInterface(aIID, aResult);
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NS_RELEASE(dc);
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIRequest methods:
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NS_IMETHODIMP
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nsDateTimeChannel::IsPending(PRBool *result)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Cancel(void)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Suspend(void)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::Resume(void)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIChannel methods:
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NS_IMETHODIMP
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nsDateTimeChannel::GetOriginalURI(nsIURI * *aURI)
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{
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*aURI = mOriginalURI;
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NS_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetURI(nsIURI * *aURI)
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{
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*aURI = mUrl;
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NS_IF_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::OpenInputStream(PRUint32 startPosition, PRInt32 readCount,
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nsIInputStream **_retval)
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{
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nsresult rv = NS_OK;
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NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIChannel> channel;
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rv = socketService->CreateTransport(mHost, mPort, mHost, 32, 32, getter_AddRefs(channel));
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if (NS_FAILED(rv)) return rv;
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rv = channel->SetNotificationCallbacks(mCallbacks);
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if (NS_FAILED(rv)) return rv;
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return channel->OpenInputStream(startPosition, readCount, _retval);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::OpenOutputStream(PRUint32 startPosition, nsIOutputStream **_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::AsyncOpen(nsIStreamObserver *observer, nsISupports* ctxt)
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{
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nsresult rv = NS_OK;
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NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIChannel> channel;
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rv = socketService->CreateTransport(mHost, mPort, mHost, 32, 32, getter_AddRefs(channel));
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if (NS_FAILED(rv)) return rv;
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rv = channel->SetNotificationCallbacks(mCallbacks);
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if (NS_FAILED(rv)) return rv;
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return channel->AsyncOpen(observer, ctxt);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::AsyncRead(PRUint32 startPosition, PRInt32 readCount,
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nsISupports *ctxt,
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nsIStreamListener *aListener)
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{
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nsresult rv = NS_OK;
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NS_WITH_SERVICE(nsISocketTransportService, socketService, kSocketTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIChannel> channel;
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rv = socketService->CreateTransport(mHost, mPort, mHost, 32, 32, getter_AddRefs(channel));
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if (NS_FAILED(rv)) return rv;
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rv = channel->SetNotificationCallbacks(mCallbacks);
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if (NS_FAILED(rv)) return rv;
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mListener = aListener;
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return channel->AsyncRead(startPosition, readCount, ctxt, this);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::AsyncWrite(nsIInputStream *fromStream,
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PRUint32 startPosition,
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PRInt32 writeCount,
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nsISupports *ctxt,
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nsIStreamObserver *observer)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetLoadAttributes(PRUint32 *aLoadAttributes)
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{
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*aLoadAttributes = mLoadAttributes;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetLoadAttributes(PRUint32 aLoadAttributes)
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{
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mLoadAttributes = aLoadAttributes;
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return NS_OK;
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}
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#define DATETIME_TYPE "text/plain"
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NS_IMETHODIMP
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nsDateTimeChannel::GetContentType(char* *aContentType) {
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if (!aContentType) return NS_ERROR_NULL_POINTER;
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*aContentType = nsCRT::strdup(DATETIME_TYPE);
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if (!*aContentType) return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetContentLength(PRInt32 *aContentLength)
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{
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*aContentLength = mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
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{
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*aLoadGroup = mLoadGroup;
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NS_IF_ADDREF(*aLoadGroup);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
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{
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if (mLoadGroup) // if we already had a load group remove ourselves...
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(void)mLoadGroup->RemoveChannel(this, nsnull, nsnull, nsnull);
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mLoadGroup = aLoadGroup;
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if (mLoadGroup) {
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return mLoadGroup->AddChannel(this, nsnull);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetOwner(nsISupports* *aOwner)
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{
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*aOwner = mOwner.get();
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NS_IF_ADDREF(*aOwner);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetOwner(nsISupports* aOwner)
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{
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mOwner = aOwner;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
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{
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*aNotificationCallbacks = mCallbacks.get();
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NS_IF_ADDREF(*aNotificationCallbacks);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDateTimeChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
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{
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mCallbacks = aNotificationCallbacks;
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return NS_OK;
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}
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// nsIStreamObserver methods
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NS_IMETHODIMP
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nsDateTimeChannel::OnStartRequest(nsIChannel *aChannel, nsISupports *aContext) {
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return mListener->OnStartRequest(this, aContext);
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}
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NS_IMETHODIMP
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nsDateTimeChannel::OnStopRequest(nsIChannel* aChannel, nsISupports* aContext,
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nsresult aStatus, const PRUnichar* aMsg) {
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if (mLoadGroup) {
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nsresult rv = mLoadGroup->RemoveChannel(this, nsnull, aStatus, aMsg);
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if (NS_FAILED(rv)) return rv;
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}
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return mListener->OnStopRequest(this, aContext, aStatus, aMsg);
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}
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// nsIStreamListener method
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NS_IMETHODIMP
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nsDateTimeChannel::OnDataAvailable(nsIChannel* aChannel, nsISupports* aContext,
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nsIInputStream *aInputStream, PRUint32 aSourceOffset,
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PRUint32 aLength) {
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mContentLength = aLength;
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return mListener->OnDataAvailable(this, aContext, aInputStream, aSourceOffset, aLength);
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}
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