gecko/netwerk/base/public/nsISocketTransport.idl
Christian Biesinger 60ccc8af25 bug 621558 - Disable IPv6 for the 300ms-delayed backup connection to improve
the user experience of people with broken IPv6 connectivity (i.e. implement
Chrome's "Happy Eyeballs" strategy)
r=mcmanus
2011-07-04 11:47:09 +02:00

192 lines
7.2 KiB
Plaintext

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 "nsITransport.idl"
interface nsIInterfaceRequestor;
native PRNetAddr(union PRNetAddr);
/**
* nsISocketTransport
*
* NOTE: Connection setup is triggered by opening an input or output stream,
* it does not start on its own. Completion of the connection setup is
* indicated by a STATUS_CONNECTED_TO notification to the event sink (if set).
*
* NOTE: This is a free-threaded interface, meaning that the methods on
* this interface may be called from any thread.
*/
[scriptable, uuid(19c37caa-fb41-4c32-bbf1-c6b31b75d789)]
interface nsISocketTransport : nsITransport
{
/**
* Get the host for the underlying socket connection.
*/
readonly attribute AUTF8String host;
/**
* Get the port for the underlying socket connection.
*/
readonly attribute long port;
/**
* Returns the IP address of the socket connection peer. This
* attribute is defined only once a connection has been established.
*/
[noscript] PRNetAddr getPeerAddr();
/**
* Returns the IP address of the initiating end. This attribute
* is defined only once a connection has been established.
*/
[noscript] PRNetAddr getSelfAddr();
/**
* Security info object returned from the secure socket provider. This
* object supports nsISSLSocketControl, nsITransportSecurityInfo, and
* possibly other interfaces.
*
* This attribute is only available once the socket is connected.
*/
readonly attribute nsISupports securityInfo;
/**
* Security notification callbacks passed to the secure socket provider
* via nsISSLSocketControl at socket creation time.
*
* NOTE: this attribute cannot be changed once a stream has been opened.
*/
attribute nsIInterfaceRequestor securityCallbacks;
/**
* Test if this socket transport is (still) connected.
*/
boolean isAlive();
/**
* Socket timeouts in seconds. To specify no timeout, pass PR_UINT32_MAX
* as aValue to setTimeout. The implementation may truncate timeout values
* to a smaller range of values (e.g., 0 to 0xFFFF).
*/
unsigned long getTimeout(in unsigned long aType);
void setTimeout(in unsigned long aType, in unsigned long aValue);
/**
* Values for the aType parameter passed to get/setTimeout.
*/
const unsigned long TIMEOUT_CONNECT = 0;
const unsigned long TIMEOUT_READ_WRITE = 1;
/**
* nsITransportEventSink status codes.
*
* Although these look like XPCOM error codes and are passed in an nsresult
* variable, they are *not* error codes. Note that while they *do* overlap
* with existing error codes in Necko, these status codes are confined
* within a very limited context where no error codes may appear, so there
* is no ambiguity.
*
* The values of these status codes must never change.
*
* The status codes appear in near-chronological order (not in numeric
* order). STATUS_RESOLVING may be skipped if the host does not need to be
* resolved. STATUS_WAITING_FOR is an optional status code, which the impl
* of this interface may choose not to generate.
*/
const unsigned long STATUS_RESOLVING = 0x804b0003;
const unsigned long STATUS_RESOLVED = 0x804b000b;
const unsigned long STATUS_CONNECTING_TO = 0x804b0007;
const unsigned long STATUS_CONNECTED_TO = 0x804b0004;
const unsigned long STATUS_SENDING_TO = 0x804b0005;
const unsigned long STATUS_WAITING_FOR = 0x804b000a;
const unsigned long STATUS_RECEIVING_FROM = 0x804b0006;
/**
* connectionFlags is a bitmask that can be used to modify underlying
* behavior of the socket connection. See the flags below.
*/
attribute unsigned long connectionFlags;
/**
* Values for the connectionFlags
*
* When making a new connection BYPASS_CACHE will force the Necko DNS
* cache entry to be refreshed with a new call to NSPR if it is set before
* opening the new stream.
*/
const unsigned long BYPASS_CACHE = (1 << 0);
/**
* When setting this flag, the socket will not apply any
* credentials when establishing a connection. For example,
* an SSL connection would not send any client-certificates
* if this flag is set.
*/
const unsigned long ANONYMOUS_CONNECT = (1 << 1);
/**
* If set, we will skip all IPv6 addresses the host may have and only
* connect to IPv4 ones.
*/
const unsigned long DISABLE_IPV6 = (1 << 2);
/**
* Socket QoS/ToS markings. Valid values are IPTOS_DSCP_AFxx or
* IPTOS_CLASS_CSx (or IPTOS_DSCP_EF, but currently no supported
* services require expedited-forwarding).
* Not setting this value will leave the socket with the default
* ToS value, which on most systems if IPTOS_CLASS_CS0 (formerly
* IPTOS_PREC_ROUTINE).
*/
attribute octet QoSBits;
};
%{C++
/**
* #define's for compatibility
*/
#define NS_NET_STATUS_RESOLVING_HOST nsISocketTransport::STATUS_RESOLVING
#define NS_NET_STATUS_RESOLVED_HOST nsISocketTransport::STATUS_RESOLVED
#define NS_NET_STATUS_CONNECTED_TO nsISocketTransport::STATUS_CONNECTED_TO
#define NS_NET_STATUS_SENDING_TO nsISocketTransport::STATUS_SENDING_TO
#define NS_NET_STATUS_RECEIVING_FROM nsISocketTransport::STATUS_RECEIVING_FROM
#define NS_NET_STATUS_CONNECTING_TO nsISocketTransport::STATUS_CONNECTING_TO
#define NS_NET_STATUS_WAITING_FOR nsISocketTransport::STATUS_WAITING_FOR
%}