tor-browser

The Tor Browser
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WebrtcTCPSocketParent.cpp (3247B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
      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/. */
      6 
      7 #include "WebrtcTCPSocketParent.h"
      8 
      9 #include "WebrtcTCPSocket.h"
     10 #include "WebrtcTCPSocketLog.h"
     11 #include "mozilla/net/NeckoParent.h"
     12 
     13 using namespace mozilla::dom;
     14 using namespace mozilla::ipc;
     15 
     16 namespace mozilla::net {
     17 
     18 mozilla::ipc::IPCResult WebrtcTCPSocketParent::RecvAsyncOpen(
     19    const nsACString& aHost, const int& aPort, const nsACString& aLocalAddress,
     20    const int& aLocalPort, const bool& aUseTls,
     21    const Maybe<WebrtcProxyConfig>& aProxyConfig) {
     22  LOG(("WebrtcTCPSocketParent::RecvAsyncOpen %p to %s:%d\n", this,
     23       PromiseFlatCString(aHost).get(), aPort));
     24 
     25  MOZ_ASSERT(mChannel, "webrtc TCP socket should be non-null");
     26  if (!mChannel) {
     27    return IPC_FAIL(this, "Called with null channel.");
     28  }
     29 
     30  mChannel->Open(aHost, aPort, aLocalAddress, aLocalPort, aUseTls,
     31                 aProxyConfig);
     32 
     33  return IPC_OK();
     34 }
     35 
     36 mozilla::ipc::IPCResult WebrtcTCPSocketParent::RecvWrite(
     37    nsTArray<uint8_t>&& aWriteData) {
     38  LOG(("WebrtcTCPSocketParent::RecvWrite %p for %zu\n", this,
     39       aWriteData.Length()));
     40 
     41  // Need to check this here in case there are Writes in the queue after OnClose
     42  if (mChannel) {
     43    mChannel->Write(std::move(aWriteData));
     44  }
     45 
     46  return IPC_OK();
     47 }
     48 
     49 mozilla::ipc::IPCResult WebrtcTCPSocketParent::RecvClose() {
     50  LOG(("WebrtcTCPSocketParent::RecvClose %p\n", this));
     51 
     52  CleanupChannel();
     53 
     54  IProtocol* mgr = Manager();
     55  if (!Send__delete__(this)) {
     56    return IPC_FAIL_NO_REASON(mgr);
     57  }
     58 
     59  return IPC_OK();
     60 }
     61 
     62 void WebrtcTCPSocketParent::ActorDestroy(ActorDestroyReason aWhy) {
     63  LOG(("WebrtcTCPSocketParent::ActorDestroy %p for %d\n", this, aWhy));
     64 
     65  CleanupChannel();
     66 }
     67 
     68 WebrtcTCPSocketParent::WebrtcTCPSocketParent(const Maybe<dom::TabId>& aTabId) {
     69  MOZ_COUNT_CTOR(WebrtcTCPSocketParent);
     70 
     71  LOG(("WebrtcTCPSocketParent::WebrtcTCPSocketParent %p\n", this));
     72 
     73  mChannel = new WebrtcTCPSocket(this);
     74  if (aTabId.isSome()) {
     75    mChannel->SetTabId(*aTabId);
     76  }
     77 }
     78 
     79 WebrtcTCPSocketParent::~WebrtcTCPSocketParent() {
     80  MOZ_COUNT_DTOR(WebrtcTCPSocketParent);
     81 
     82  LOG(("WebrtcTCPSocketParent::~WebrtcTCPSocketParent %p\n", this));
     83 
     84  CleanupChannel();
     85 }
     86 
     87 // WebrtcTCPSocketCallback
     88 void WebrtcTCPSocketParent::OnClose(nsresult aReason) {
     89  LOG(("WebrtcTCPSocketParent::OnClose %p\n", this));
     90 
     91  if (mChannel) {
     92    (void)SendOnClose(aReason);
     93  }
     94 
     95  CleanupChannel();
     96 }
     97 
     98 void WebrtcTCPSocketParent::OnRead(nsTArray<uint8_t>&& aReadData) {
     99  LOG(("WebrtcTCPSocketParent::OnRead %p %zu\n", this, aReadData.Length()));
    100 
    101  if (mChannel && !SendOnRead(std::move(aReadData))) {
    102    CleanupChannel();
    103  }
    104 }
    105 
    106 void WebrtcTCPSocketParent::OnConnected(const nsACString& aProxyType) {
    107  LOG(("WebrtcTCPSocketParent::OnConnected %p\n", this));
    108 
    109  if (mChannel && !SendOnConnected(aProxyType)) {
    110    CleanupChannel();
    111  }
    112 }
    113 
    114 void WebrtcTCPSocketParent::CleanupChannel() {
    115  if (mChannel) {
    116    mChannel->Close();
    117    mChannel = nullptr;
    118  }
    119 }
    120 
    121 }  // namespace mozilla::net