gecko-dev/netwerk/base/public/nsISocketTransportService.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsISocketTransport;
interface nsIProxyInfo;
interface nsIRunnable;
%{C++
class nsASocketHandler;
struct PRFileDesc;
%}
[ptr] native PRFileDescPtr(PRFileDesc);
[ptr] native nsASocketHandlerPtr(nsASocketHandler);
[scriptable, uuid(185B3A5D-8729-436D-9693-7BDCCB9C2216)]
interface nsISocketTransportService : nsISupports
{
/**
* Creates a transport for a specified host and port.
*
* @param aSocketTypes
* array of socket type strings. null if using default socket type.
* @param aTypeCount
* specifies length of aSocketTypes.
* @param aHost
* specifies the target hostname or IP address literal of the peer
* for this socket.
* @param aPort
* specifies the target port of the peer for this socket.
* @param aProxyInfo
* specifies the transport-layer proxy type to use. null if no
* proxy. used for communicating information about proxies like
* SOCKS (which are transparent to upper protocols).
*
* @see nsIProxiedProtocolHandler
* @see nsIProtocolProxyService::GetProxyInfo
*
* NOTE: this function can be called from any thread
*/
nsISocketTransport createTransport([array, size_is(aTypeCount)]
in string aSocketTypes,
in unsigned long aTypeCount,
in AUTF8String aHost,
in long aPort,
in nsIProxyInfo aProxyInfo);
/**
* Adds a new socket to the list of controlled sockets.
*
* This will fail with the error code NS_ERROR_NOT_AVAILABLE if the maximum
* number of sockets is already reached.
* In this case, the notifyWhenCanAttachSocket method should be used.
*
* @param aFd
* Open file descriptor of the socket to control.
* @param aHandler
* Socket handler that will receive notifications when the socket is
* ready or detached.
*
* NOTE: this function may only be called from an event dispatch on the
* socket thread.
*/
[noscript] void attachSocket(in PRFileDescPtr aFd,
in nsASocketHandlerPtr aHandler);
/**
* if the number of sockets reaches the limit, then consumers can be
* notified when the number of sockets becomes less than the limit. the
* notification is asynchronous, delivered via the given nsIRunnable
* instance on the socket transport thread.
*
* @param aEvent
* Event that will receive the notification when a new socket can
* be attached
*
* NOTE: this function may only be called from an event dispatch on the
* socket thread.
*/
[noscript] void notifyWhenCanAttachSocket(in nsIRunnable aEvent);
};