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

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/* -*- Mode: IDL; tab-width: 4; 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 "nsITransport.idl"
#include "nsINetAddr.idl"
interface nsIInterfaceRequestor;
%{ C++
#include "mozilla/net/DNS.h"
%}
native NetAddr(mozilla::net::NetAddr);
/**
* 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(A8318027-0DDC-4E60-A89B-D81AFE3B5020)]
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] NetAddr getPeerAddr();
/**
* Returns the IP address of the initiating end. This attribute
* is defined only once a connection has been established.
*/
[noscript] NetAddr getSelfAddr();
/**
* Returns a scriptable version of getPeerAddr. This attribute is defined
* only once a connection has been established.
*/
nsINetAddr getScriptablePeerAddr();
/**
* Returns a scriptable version of getSelfAddr. This attribute is defined
* only once a connection has been established.
*/
nsINetAddr getScriptableSelfAddr();
/**
* 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 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.
*
* In C++, these constants have a type of uint32_t, so C++ callers must use
* the NS_NET_STATUS_* constants defined below, which have a type of
* nsresult.
*/
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);
/**
* If set, indicates that the connection was initiated from a source
* defined as being private in the sense of Private Browsing. Generally,
* there should be no state shared between connections that are private
* and those that are not; it is OK for multiple private connections
* to share state with each other, and it is OK for multiple non-private
* connections to share state with each other.
*/
const unsigned long NO_PERMANENT_STORAGE = (1 << 3);
/**
* If set, we will skip all IPv4 addresses the host may have and only
* connect to IPv6 ones.
*/
const unsigned long DISABLE_IPV4 = (1 << 4);
/**
* 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;
/**
* TCP send and receive buffer sizes. A value of 0 means OS level
* auto-tuning is in effect.
*/
attribute unsigned long recvBufferSize;
attribute unsigned long sendBufferSize;
};