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

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/* vim:set ts=4 sw=4 et cindent: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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.
*
* The Initial Developer of the Original Code is IBM Corporation.
* Portions created by IBM Corporation are Copyright (C) 2003
* IBM Corporation. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface nsIServerSocketListener;
interface nsISocketTransport;
native PRNetAddr(union PRNetAddr);
[ptr] native PRNetAddrPtr(union PRNetAddr);
/**
* nsIServerSocket
*
* An interface to a server socket that can accept incoming connections.
*/
[scriptable, uuid(a5b64be0-d563-46bb-ae95-132e46fcd42f)]
interface nsIServerSocket : nsISupports
{
/**
* init
*
* This method initializes a server socket.
*
* @param aPort
* The port of the server socket. Pass -1 to indicate no preference,
* and a port will be selected automatically.
* @param aLoopbackOnly
* If true, the server socket will only respond to connections on the
* local loopback interface. Otherwise, it will accept connections
* from any interface. To specify a particular network interface,
* use initWithAddress.
* @param aBackLog
* The maximum length the queue of pending connections may grow to.
* This parameter may be silently limited by the operating system.
* Pass -1 to use the default value.
*/
void init(in long aPort, in boolean aLoopbackOnly, in long aBackLog);
/**
* initWithAddress
*
* This method initializes a server socket, and binds it to a particular
* local address (and hence a particular local network interface).
*
* @param aAddr
* The address to which this server socket should be bound.
* @param aBackLog
* The maximum length the queue of pending connections may grow to.
* This parameter may be silently limited by the operating system.
* Pass -1 to use the default value.
*/
[noscript] void initWithAddress([const] in PRNetAddrPtr aAddr, in long aBackLog);
/**
* close
*
* This method closes a server socket. This does not affect already
* connected client sockets (i.e., the nsISocketTransport instances
* created from this server socket). This will cause the onStopListening
* event to asynchronously fire with a status of NS_BINDING_ABORTED.
*/
void close();
/**
* asyncListen
*
* This method puts the server socket in the listening state. It will
* asynchronously listen for and accept client connections. The listener
* will be notified once for each client connection that is accepted. The
* listener's onSocketAccepted method will be called on the same thread
* that called asyncListen (the calling thread must have a nsIEventTarget).
*
* The listener will be passed a reference to an already connected socket
* transport (nsISocketTransport). See below for more details.
*
* @param aListener
* The listener to be notified when client connections are accepted.
*/
void asyncListen(in nsIServerSocketListener aListener);
/**
* Returns the port of this server socket.
*/
readonly attribute long port;
/**
* Returns the address to which this server socket is bound. Since a
* server socket may be bound to multiple network devices, this address
* may not necessarily be specific to a single network device. In the
* case of an IP socket, the IP address field would be zerod out to
* indicate a server socket bound to all network devices. Therefore,
* this method cannot be used to determine the IP address of the local
* system. See nsIDNSService::myHostName if this is what you need.
*/
[noscript] PRNetAddr getAddress();
};
/**
* nsIServerSocketListener
*
* This interface is notified whenever a server socket accepts a new connection.
* The transport is in the connected state, and read/write streams can be opened
* using the normal nsITransport API. The address of the client can be found by
* calling the nsISocketTransport::GetAddress method or by inspecting
* nsISocketTransport::GetHost, which returns a string representation of the
* client's IP address (NOTE: this may be an IPv4 or IPv6 string literal).
*/
[scriptable, uuid(836d98ec-fee2-4bde-b609-abd5e966eabd)]
interface nsIServerSocketListener : nsISupports
{
/**
* onSocketAccepted
*
* This method is called when a client connection is accepted.
*
* @param aServ
* The server socket.
* @param aTransport
* The connected socket transport.
*/
void onSocketAccepted(in nsIServerSocket aServ,
in nsISocketTransport aTransport);
/**
* onStopListening
*
* This method is called when the listening socket stops for some reason.
* The server socket is effectively dead after this notification.
*
* @param aServ
* The server socket.
* @param aStatus
* The reason why the server socket stopped listening. If the
* server socket was manually closed, then this value will be
* NS_BINDING_ABORTED.
*/
void onStopListening(in nsIServerSocket aServ, in nsresult aStatus);
};