The Tor Browser: media/mtransport/transportlayer.cpp@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 // Original author: ekr@rtfm.com

     8 #include "logging.h"

     9 #include "transportflow.h"

    10 #include "transportlayer.h"

    11 #include "nsThreadUtils.h"

    13 // Logging context

    14 namespace mozilla {

    16 MOZ_MTLOG_MODULE("mtransport")

    18 nsresult TransportLayer::Init() {

    19   if (state_ != TS_NONE)

    20     return state_ == TS_ERROR ? NS_ERROR_FAILURE : NS_OK;

    22   nsresult rv = InitInternal();

    24   if (!NS_SUCCEEDED(rv)) {

    25     state_ = TS_ERROR;

    26     return rv;

    27   }

    28   state_ = TS_INIT;

    30   return NS_OK;

    31 }

    33 void TransportLayer::Inserted(TransportFlow *flow, TransportLayer *downward) {

    34   downward_ = downward;

    35   flow_id_ = flow->id();

    36   MOZ_MTLOG(ML_DEBUG, LAYER_INFO << "Inserted: downward='" <<

    37     (downward ? downward->id(): "none") << "'");

    39   WasInserted();

    40 }

    42 void TransportLayer::SetState(State state, const char *file, unsigned line) {

    43   if (state != state_) {

    44     MOZ_MTLOG(state == TS_ERROR ? ML_ERROR : ML_DEBUG,

    45               file << ":" << line << ": " <<

    46               LAYER_INFO << "state " << state_ << "->" << state);

    47     state_ = state;

    48     SignalStateChange(this, state);

    49   }

    50 }

    52 nsresult TransportLayer::RunOnThread(nsIRunnable *event) {

    53   if (target_) {

    54     nsIThread *thr;

    56     DebugOnly<nsresult> rv = NS_GetCurrentThread(&thr);

    57     MOZ_ASSERT(NS_SUCCEEDED(rv));

    59     if (target_ != thr) {

    60       return target_->Dispatch(event, NS_DISPATCH_SYNC);

    61     }

    62   }

    64   return event->Run();

    65 }

    67 }  // close namespace

The Tor Browser / file revision

media/mtransport/transportlayer.cpp@97036ab72558

media/mtransport/transportlayer.cpp