Tue, 06 Jan 2015 21:39:09 +0100
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.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | // Original author: ekr@rtfm.com |
michael@0 | 8 | #include "logging.h" |
michael@0 | 9 | #include "transportflow.h" |
michael@0 | 10 | #include "transportlayer.h" |
michael@0 | 11 | #include "nsThreadUtils.h" |
michael@0 | 12 | |
michael@0 | 13 | // Logging context |
michael@0 | 14 | namespace mozilla { |
michael@0 | 15 | |
michael@0 | 16 | MOZ_MTLOG_MODULE("mtransport") |
michael@0 | 17 | |
michael@0 | 18 | nsresult TransportLayer::Init() { |
michael@0 | 19 | if (state_ != TS_NONE) |
michael@0 | 20 | return state_ == TS_ERROR ? NS_ERROR_FAILURE : NS_OK; |
michael@0 | 21 | |
michael@0 | 22 | nsresult rv = InitInternal(); |
michael@0 | 23 | |
michael@0 | 24 | if (!NS_SUCCEEDED(rv)) { |
michael@0 | 25 | state_ = TS_ERROR; |
michael@0 | 26 | return rv; |
michael@0 | 27 | } |
michael@0 | 28 | state_ = TS_INIT; |
michael@0 | 29 | |
michael@0 | 30 | return NS_OK; |
michael@0 | 31 | } |
michael@0 | 32 | |
michael@0 | 33 | void TransportLayer::Inserted(TransportFlow *flow, TransportLayer *downward) { |
michael@0 | 34 | downward_ = downward; |
michael@0 | 35 | flow_id_ = flow->id(); |
michael@0 | 36 | MOZ_MTLOG(ML_DEBUG, LAYER_INFO << "Inserted: downward='" << |
michael@0 | 37 | (downward ? downward->id(): "none") << "'"); |
michael@0 | 38 | |
michael@0 | 39 | WasInserted(); |
michael@0 | 40 | } |
michael@0 | 41 | |
michael@0 | 42 | void TransportLayer::SetState(State state, const char *file, unsigned line) { |
michael@0 | 43 | if (state != state_) { |
michael@0 | 44 | MOZ_MTLOG(state == TS_ERROR ? ML_ERROR : ML_DEBUG, |
michael@0 | 45 | file << ":" << line << ": " << |
michael@0 | 46 | LAYER_INFO << "state " << state_ << "->" << state); |
michael@0 | 47 | state_ = state; |
michael@0 | 48 | SignalStateChange(this, state); |
michael@0 | 49 | } |
michael@0 | 50 | } |
michael@0 | 51 | |
michael@0 | 52 | nsresult TransportLayer::RunOnThread(nsIRunnable *event) { |
michael@0 | 53 | if (target_) { |
michael@0 | 54 | nsIThread *thr; |
michael@0 | 55 | |
michael@0 | 56 | DebugOnly<nsresult> rv = NS_GetCurrentThread(&thr); |
michael@0 | 57 | MOZ_ASSERT(NS_SUCCEEDED(rv)); |
michael@0 | 58 | |
michael@0 | 59 | if (target_ != thr) { |
michael@0 | 60 | return target_->Dispatch(event, NS_DISPATCH_SYNC); |
michael@0 | 61 | } |
michael@0 | 62 | } |
michael@0 | 63 | |
michael@0 | 64 | return event->Run(); |
michael@0 | 65 | } |
michael@0 | 66 | |
michael@0 | 67 | } // close namespace |