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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 "nsIRequest.idl"
interface nsIInterfaceRequestor;
interface nsINetAddr;
%{ C++
#include "mozilla/BasePrincipal.h"
namespace mozilla {
namespace net {
union NetAddr;
class TCPFastOpen;
}
}
%}
native NetAddr(mozilla::net::NetAddr);
[ptr] native NetAddrPtr(mozilla::net::NetAddr);
native OriginAttributes(mozilla::OriginAttributes);
[ref] native const_OriginAttributesRef(const mozilla::OriginAttributes);
[ptr] native TCPFastOpenPtr(mozilla::net::TCPFastOpen);
/**
* 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(79221831-85e2-43a8-8152-05d77d6fde31)]
interface nsISocketTransport : nsITransport
{
/**
* Get the peer's host for the underlying socket connection.
* For Unix domain sockets, this is a pathname, or the empty string for
* unnamed and abstract socket addresses.
*/
readonly attribute AUTF8String host;
/**
* Get the port for the underlying socket connection.
* For Unix domain sockets, this is zero.
*/
readonly attribute long port;
/**
* The origin attributes are used to create sockets. The first party domain
* will eventually be used to isolate OCSP cache and is only non-empty when
* "privacy.firstparty.isolate" is enabled. Setting this is the only way to
* carry origin attributes down to NSPR layers which are final consumers.
* It must be set before the socket transport is built.
*/
[implicit_jscontext, binaryname(ScriptableOriginAttributes)]
attribute jsval originAttributes;
[noscript, nostdcall, binaryname(GetOriginAttributes)]
OriginAttributes binaryGetOriginAttributes();
[noscript, nostdcall, binaryname(SetOriginAttributes)]
void binarySetOriginAttributes(in const_OriginAttributesRef aOriginAttrs);
/**
* 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();
/**
* Bind to a specific local address.
*/
[noscript] void bind(in NetAddrPtr aLocalAddr);
/**
* 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);
/**
* Sets the SO_LINGER option with the specified values for the l_onoff and
* l_linger parameters. This applies PR_SockOpt_Linger before PR_Close and
* can be used with a timeout of zero to send an RST packet when closing.
*/
void setLinger(in boolean aPolarity, in short aTimeout);
/**
* True to set addr and port reuse socket options.
*/
void setReuseAddrPort(in bool reuseAddrPort);
/**
* 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;
const unsigned long STATUS_TLS_HANDSHAKE_STARTING = 0x804b000c;
const unsigned long STATUS_TLS_HANDSHAKE_ENDED = 0x804b000d;
/**
* 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);
/**
* If set, indicates that the socket should not connect if the hostname
* resolves to an RFC1918 address or IPv6 equivalent.
*/
const unsigned long DISABLE_RFC1918 = (1 << 5);
/**
* If set, do not use newer protocol features that might have interop problems
* on the Internet. Intended only for use with critical infra like the updater.
* default is false.
*/
const unsigned long BE_CONSERVATIVE = (1 << 6);
/**
* If set, do not use TRR for resolving the host name. Intended only for
* retries or other scenarios when TRR is deemed likely to have returned a
* wrong adddress.
*/
const unsigned long DISABLE_TRR = (1 << 7);
/**
* Values for the connectionFlags
*
* When using BYPASS_CACHE, setting this bit will invalidate the existing
* cached entry immediately while the new resolve is being done to avoid
* other users from using stale content in the mean time.
*/
const unsigned long REFRESH_CACHE = (1 << 8);
/**
* If this flag is set then it means that if connecting the preferred ip
* family has failed, retry with the oppsite one once more.
*/
const unsigned long RETRY_WITH_DIFFERENT_IP_FAMILY = (1 << 9);
/**
* If we know that a server speaks only tls <1.3 there is no need to try
* to use esni and query dns for esni keys.
*/
const unsigned long DONT_TRY_ESNI = (1 << 10);
/**
* These two bits encode the TRR mode of the request.
* Use the static helper methods convert between the TRR mode and flags.
*/
const unsigned long TRR_MODE_FLAGS = (1 << 11) | (1 << 12);
%{C++
static uint32_t GetFlagsFromTRRMode(nsIRequest::TRRMode aMode) {
return static_cast<uint32_t>(aMode) << 11;
}
static nsIRequest::TRRMode GetTRRModeFromFlags(uint32_t aFlags) {
return static_cast<nsIRequest::TRRMode>((aFlags & TRR_MODE_FLAGS) >> 11);
}
%}
/**
* An opaque flags for non-standard behavior of the TLS system.
* It is unlikely this will need to be set outside of telemetry studies
* relating to the TLS implementation.
*/
attribute unsigned long tlsFlags;
/**
* 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;
/**
* TCP keepalive configuration (support varies by platform).
* Note that the attribute as well as the setter can only accessed
* in the socket thread.
*/
attribute boolean keepaliveEnabled;
void setKeepaliveVals(in long keepaliveIdleTime,
in long keepaliveRetryInterval);
[noscript] void setFastOpenCallback(in TCPFastOpenPtr aFastOpen);
readonly attribute nsresult firstRetryError;
/**
* If true, this socket transport has found out the prefered family
* according it's connection flags could not be used to establish
* connections any more. Hence, the preference should be reset.
*/
readonly attribute boolean resetIPFamilyPreference;
/**
* This attribute holds information whether esni has been used.
* The value is set after PR_Connect is called.
*/
readonly attribute boolean esniUsed;
/**
* IP address resolved using TRR.
*/
bool resolvedByTRR();
};