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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 nsIFile;
interface nsISocketTransport;
interface nsIProxyInfo;
interface nsIRunnable;
%{C++
class nsASocketHandler;
struct PRFileDesc;
%}
[ptr] native PRFileDescPtr(PRFileDesc);
[ptr] native nsASocketHandlerPtr(nsASocketHandler);
[scriptable, uuid(ad56b25f-e6bb-4db3-9f7b-5b7db33fd2b1)]
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);
/**
* Create a transport built on a Unix domain socket, connecting to the
* given filename.
*
* Since Unix domain sockets are always local to the machine, they are
* not affected by the nsIIOService's 'offline' flag.
*
* On systems that don't support Unix domain sockets at all, this
* returns NS_ERROR_SOCKET_ADDRESS_NOT_SUPPORTED.
*
* The system-level socket API may impose restrictions on the length of
* the filename that are stricter than those of the underlying
* filesystem. If the file name is too long, this returns
* NS_ERROR_FILE_NAME_TOO_LONG.
*
* The |aPath| parameter must specify an existing directory entry.
* Otherwise, this returns NS_ERROR_FILE_NOT_FOUND.
*
* The program must have search permission on all components of the
* path prefix of |aPath|, and read and write permission on |aPath|
* itself. Without such permission, this returns
* NS_ERROR_CONNECTION_REFUSED.
*
* The |aPath| parameter must refer to a unix-domain socket. Otherwise,
* this returns NS_ERROR_CONNECTION_REFUSED. (POSIX specifies
* ECONNREFUSED when "the target address was not listening for
* connections", and this is what Linux returns.)
*
* @param aPath
* The file name of the Unix domain socket to which we should
* connect.
*/
nsISocketTransport createUnixDomainTransport(in nsIFile aPath);
/**
* 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);
};
[scriptable, uuid(c5204623-5b58-4a16-8b2e-67c34dd02e3f)]
interface nsIRoutedSocketTransportService : nsISocketTransportService
{
// use this instead of createTransport when you have a transport
// that distinguishes between origin and route (aka connection)
nsISocketTransport createRoutedTransport([array, size_is(aTypeCount)]
in string aSocketTypes,
in unsigned long aTypeCount,
in AUTF8String aHost, // origin
in long aPort, // origin
in AUTF8String aHostRoute,
in long aPortRoute,
in nsIProxyInfo aProxyInfo);
};
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