gecko-dev/extensions/datetime/nsDateTimeChannel.h
dougt%netscape.com 128f95aa9b Relanding Necko Changes.
Revising nsIChannel to allow for overlapped i/o. This consists of three parts:

1. Factoring nsIChannel into a protocol specific part, the nsIChannel, and a socket specific, the nsITransport.
2. Derive the nsIChannel from a nsIRequest.
2. Changes the notification system from necko and the URILoader to pass the nsIRequest interface instead of nsIChannel interface.

This goal stems from wanting to be able to have active AsyncRead and AsyncWrite operations on nsSocketTransport.
This is desired because it would greatly simplify the task of maintaining persistent/reusable socket connections
for FTP, HTTP, and Imap (and potentially other protocols). The problem with the existing nsIChannel interface is
that it does not allow one to selectively suspend just one of the read or write operations while keeping the other active.

r=darin@netscape.com
sr=rpotts@netscape.com
2001-02-21 20:38:08 +00:00

79 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// A datetime channel retrieves date time information from
// RFC 867 compliant datetime servers. The date/time returned
// to the caller is of MIME type "text/plain".
#ifndef nsDateTimeChannel_h___
#define nsDateTimeChannel_h___
#include "nsString.h"
#include "nsILoadGroup.h"
#include "nsIInputStream.h"
#include "nsIInterfaceRequestor.h"
#include "nsCOMPtr.h"
#include "nsXPIDLString.h"
#include "nsIChannel.h"
#include "nsIURI.h"
#include "nsDateTimeHandler.h"
#include "nsIStreamListener.h"
class nsDateTimeChannel
: public nsIChannel,
public nsIStreamListener {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUEST
NS_DECL_NSICHANNEL
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSISTREAMOBSERVER
// nsDateTimeChannel methods:
nsDateTimeChannel();
virtual ~nsDateTimeChannel();
// Define a Create method to be used with a factory:
static NS_METHOD
Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult);
nsresult Init(nsIURI* uri);
protected:
nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
nsCOMPtr<nsIURI> mOriginalURI;
nsCOMPtr<nsIURI> mUrl;
nsCOMPtr<nsIStreamListener> mListener;
PRUint32 mLoadAttributes;
nsCOMPtr<nsILoadGroup> mLoadGroup;
nsCString mContentType;
PRInt32 mContentLength;
nsCOMPtr<nsISupports> mOwner;
PRInt32 mPort;
nsXPIDLCString mHost;
};
#endif /* nsDateTimeChannel_h___ */