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128f95aa9b
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
61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; 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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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIRequest;
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/**
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* An instance of nsIFfpEventSink should be passed as the eventSink
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* argument of nsINetService::NewConnection for ftp URLs. It defines
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* the callbacks to the application program (the html parser).
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*/
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[scriptable, uuid(dd47ee00-18c2-11d3-9337-00104ba0fd40)]
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interface nsIProgressEventSink : nsISupports
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{
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/**
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* Notify the EventSink that progress has occurred for the URL load.<BR>
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*/
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void onProgress(in nsIRequest request,
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in nsISupports ctxt,
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in unsigned long aProgress,
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in unsigned long aProgressMax);
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/**
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* Notify the EventSink with a status message for the URL load.<BR>
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* @param status - A status code denoting the type of notification. This
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* can be a message to be displayed (e.g. for file I/O,
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* STATUS_READ_FROM, or STATUS_WROTE_TO), or can be an event
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* to be programmatically handled.
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* @param statusArg - An argument or arguments to the status notification.
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* These arguments will be formatted into any status or error
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* message. Multiple arguments can be passed by delimiting them
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* with newline ('\n') characters.
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*/
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void onStatus(in nsIRequest request,
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in nsISupports ctxt,
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in nsresult status,
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in wstring statusArg);
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};
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