The Tor Browser / file comparison
comparison: netwerk/protocol/rtsp/RtspChannelChild.cpp
netwerk/protocol/rtsp/RtspChannelChild.cpp
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:ce4681ed823b |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set sw=2 ts=8 et 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 | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "RtspChannelChild.h" | |
| 8 #include "mozilla/ipc/URIUtils.h" | |
| 9 | |
| 10 using namespace mozilla::ipc; | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace net { | |
| 14 | |
| 15 //----------------------------------------------------------------------------- | |
| 16 // RtspChannelChild | |
| 17 //----------------------------------------------------------------------------- | |
| 18 RtspChannelChild::RtspChannelChild(nsIURI *aUri) | |
| 19 : mIPCOpen(false) | |
| 20 , mCanceled(false) | |
| 21 { | |
| 22 nsBaseChannel::SetURI(aUri); | |
| 23 } | |
| 24 | |
| 25 RtspChannelChild::~RtspChannelChild() | |
| 26 { | |
| 27 } | |
| 28 | |
| 29 nsIStreamingProtocolController* | |
| 30 RtspChannelChild::GetController() | |
| 31 { | |
| 32 return mMediaStreamController; | |
| 33 } | |
| 34 | |
| 35 void | |
| 36 RtspChannelChild::ReleaseController() | |
| 37 { | |
| 38 if (mMediaStreamController) { | |
| 39 mMediaStreamController = nullptr; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 //----------------------------------------------------------------------------- | |
| 44 // IPDL | |
| 45 //----------------------------------------------------------------------------- | |
| 46 void | |
| 47 RtspChannelChild::AddIPDLReference() | |
| 48 { | |
| 49 NS_ABORT_IF_FALSE(!mIPCOpen, | |
| 50 "Attempt to retain more than one IPDL reference"); | |
| 51 mIPCOpen = true; | |
| 52 AddRef(); | |
| 53 } | |
| 54 | |
| 55 void | |
| 56 RtspChannelChild::ReleaseIPDLReference() | |
| 57 { | |
| 58 NS_ABORT_IF_FALSE(mIPCOpen, "Attempt to release nonexistent IPDL reference"); | |
| 59 mIPCOpen = false; | |
| 60 Release(); | |
| 61 } | |
| 62 | |
| 63 //----------------------------------------------------------------------------- | |
| 64 // nsISupports | |
| 65 //----------------------------------------------------------------------------- | |
| 66 NS_IMPL_ISUPPORTS_INHERITED(RtspChannelChild, | |
| 67 nsBaseChannel, | |
| 68 nsIChannel, | |
| 69 nsIChildChannel) | |
| 70 | |
| 71 //----------------------------------------------------------------------------- | |
| 72 // nsBaseChannel::nsIChannel | |
| 73 //----------------------------------------------------------------------------- | |
| 74 NS_IMETHODIMP | |
| 75 RtspChannelChild::GetContentType(nsACString& aContentType) | |
| 76 { | |
| 77 aContentType.AssignLiteral("RTSP"); | |
| 78 return NS_OK; | |
| 79 } | |
| 80 | |
| 81 class CallListenerOnStartRequestEvent : public nsRunnable | |
| 82 { | |
| 83 public: | |
| 84 CallListenerOnStartRequestEvent(nsIStreamListener *aListener, | |
| 85 nsIRequest *aRequest, nsISupports *aContext) | |
| 86 : mListener(aListener) | |
| 87 , mRequest(aRequest) | |
| 88 , mContext(aContext) | |
| 89 { | |
| 90 MOZ_RELEASE_ASSERT(aListener); | |
| 91 } | |
| 92 NS_IMETHOD Run() | |
| 93 { | |
| 94 MOZ_ASSERT(NS_IsMainThread()); | |
| 95 mListener->OnStartRequest(mRequest, mContext); | |
| 96 return NS_OK; | |
| 97 } | |
| 98 private: | |
| 99 nsRefPtr<nsIStreamListener> mListener; | |
| 100 nsRefPtr<nsIRequest> mRequest; | |
| 101 nsRefPtr<nsISupports> mContext; | |
| 102 }; | |
| 103 | |
| 104 NS_IMETHODIMP | |
| 105 RtspChannelChild::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext) | |
| 106 { | |
| 107 // Precondition checks. | |
| 108 MOZ_ASSERT(aListener); | |
| 109 nsCOMPtr<nsIURI> uri = nsBaseChannel::URI(); | |
| 110 NS_ENSURE_TRUE(uri, NS_ERROR_ILLEGAL_VALUE); | |
| 111 | |
| 112 // Create RtspController. | |
| 113 nsCOMPtr<nsIStreamingProtocolControllerService> mediaControllerService = | |
| 114 do_GetService(MEDIASTREAMCONTROLLERSERVICE_CONTRACTID); | |
| 115 MOZ_RELEASE_ASSERT(mediaControllerService, | |
| 116 "Cannot proceed if media controller service is unavailable!"); | |
| 117 mediaControllerService->Create(this, getter_AddRefs(mMediaStreamController)); | |
| 118 MOZ_ASSERT(mMediaStreamController); | |
| 119 | |
| 120 // Add ourselves to the load group. | |
| 121 if (mLoadGroup) { | |
| 122 mLoadGroup->AddRequest(this, nullptr); | |
| 123 } | |
| 124 | |
| 125 // Dispatch mListener's OnStartRequest directly. mListener is expected to | |
| 126 // create an RtspMediaResource and use the RtspController we just created to | |
| 127 // manage the control and data streams to and from the network. | |
| 128 mListener = aListener; | |
| 129 mListenerContext = aContext; | |
| 130 NS_DispatchToMainThread( | |
| 131 new CallListenerOnStartRequestEvent(mListener, this, mListenerContext)); | |
| 132 | |
| 133 return NS_OK; | |
| 134 } | |
| 135 | |
| 136 //----------------------------------------------------------------------------- | |
| 137 // nsBaseChannel::nsIStreamListener::nsIRequestObserver | |
| 138 //----------------------------------------------------------------------------- | |
| 139 NS_IMETHODIMP | |
| 140 RtspChannelChild::OnStartRequest(nsIRequest *aRequest, nsISupports *aContext) | |
| 141 { | |
| 142 MOZ_CRASH("Should never be called"); | |
| 143 } | |
| 144 | |
| 145 NS_IMETHODIMP | |
| 146 RtspChannelChild::OnStopRequest(nsIRequest *aRequest, nsISupports *aContext, | |
| 147 nsresult aStatusCode) | |
| 148 { | |
| 149 MOZ_CRASH("Should never be called"); | |
| 150 } | |
| 151 | |
| 152 //----------------------------------------------------------------------------- | |
| 153 // nsBaseChannel::nsIStreamListener | |
| 154 //----------------------------------------------------------------------------- | |
| 155 NS_IMETHODIMP | |
| 156 RtspChannelChild::OnDataAvailable(nsIRequest *aRequest, | |
| 157 nsISupports *aContext, | |
| 158 nsIInputStream *aInputStream, | |
| 159 uint64_t aOffset, | |
| 160 uint32_t aCount) | |
| 161 { | |
| 162 MOZ_CRASH("Should never be called"); | |
| 163 } | |
| 164 | |
| 165 //----------------------------------------------------------------------------- | |
| 166 // nsBaseChannel::nsIChannel::nsIRequest | |
| 167 //----------------------------------------------------------------------------- | |
| 168 class CallListenerOnStopRequestEvent : public nsRunnable | |
| 169 { | |
| 170 public: | |
| 171 CallListenerOnStopRequestEvent(nsIStreamListener *aListener, | |
| 172 nsIRequest *aRequest, | |
| 173 nsISupports *aContext, nsresult aStatus) | |
| 174 : mListener(aListener) | |
| 175 , mRequest(aRequest) | |
| 176 , mContext(aContext) | |
| 177 , mStatus(aStatus) | |
| 178 { | |
| 179 MOZ_RELEASE_ASSERT(aListener); | |
| 180 } | |
| 181 NS_IMETHOD Run() | |
| 182 { | |
| 183 MOZ_ASSERT(NS_IsMainThread()); | |
| 184 mListener->OnStopRequest(mRequest, mContext, mStatus); | |
| 185 return NS_OK; | |
| 186 } | |
| 187 private: | |
| 188 nsRefPtr<nsIStreamListener> mListener; | |
| 189 nsRefPtr<nsIRequest> mRequest; | |
| 190 nsRefPtr<nsISupports> mContext; | |
| 191 nsresult mStatus; | |
| 192 }; | |
| 193 | |
| 194 NS_IMETHODIMP | |
| 195 RtspChannelChild::Cancel(nsresult status) | |
| 196 { | |
| 197 if (mCanceled) { | |
| 198 return NS_OK; | |
| 199 } | |
| 200 | |
| 201 mCanceled = true; | |
| 202 // Stop RtspController. | |
| 203 if (mMediaStreamController) { | |
| 204 mMediaStreamController->Stop(); | |
| 205 } | |
| 206 | |
| 207 // Call mListener's OnStopRequest to do clean up. | |
| 208 NS_DispatchToMainThread( | |
| 209 new CallListenerOnStopRequestEvent(mListener, this, | |
| 210 mListenerContext, status)); | |
| 211 mListener = nullptr; | |
| 212 mListenerContext = nullptr; | |
| 213 | |
| 214 // Remove ourselves from the load group. | |
| 215 if (mLoadGroup) { | |
| 216 mLoadGroup->RemoveRequest(this, nullptr, status); | |
| 217 } | |
| 218 | |
| 219 return NS_OK; | |
| 220 } | |
| 221 | |
| 222 NS_IMETHODIMP | |
| 223 RtspChannelChild::Suspend() | |
| 224 { | |
| 225 MOZ_CRASH("Should never be called"); | |
| 226 } | |
| 227 | |
| 228 NS_IMETHODIMP | |
| 229 RtspChannelChild::Resume() | |
| 230 { | |
| 231 MOZ_CRASH("Should never be called"); | |
| 232 } | |
| 233 | |
| 234 //----------------------------------------------------------------------------- | |
| 235 // nsBaseChannel | |
| 236 //----------------------------------------------------------------------------- | |
| 237 NS_IMETHODIMP | |
| 238 RtspChannelChild::OpenContentStream(bool aAsync, | |
| 239 nsIInputStream **aStream, | |
| 240 nsIChannel **aChannel) | |
| 241 { | |
| 242 MOZ_CRASH("Should never be called"); | |
| 243 } | |
| 244 | |
| 245 //----------------------------------------------------------------------------- | |
| 246 // nsIChildChannel | |
| 247 //----------------------------------------------------------------------------- | |
| 248 NS_IMETHODIMP | |
| 249 RtspChannelChild::ConnectParent(uint32_t id) | |
| 250 { | |
| 251 // Create RtspChannelParent for redirection. | |
| 252 AddIPDLReference(); | |
| 253 RtspChannelConnectArgs connectArgs; | |
| 254 SerializeURI(nsBaseChannel::URI(), connectArgs.uri()); | |
| 255 connectArgs.channelId() = id; | |
| 256 if (!gNeckoChild->SendPRtspChannelConstructor(this, connectArgs)) { | |
| 257 return NS_ERROR_FAILURE; | |
| 258 } | |
| 259 | |
| 260 return NS_OK; | |
| 261 } | |
| 262 | |
| 263 NS_IMETHODIMP | |
| 264 RtspChannelChild::CompleteRedirectSetup(nsIStreamListener *aListener, | |
| 265 nsISupports *aContext) | |
| 266 { | |
| 267 return AsyncOpen(aListener, aContext); | |
| 268 } | |
| 269 | |
| 270 } // namespace net | |
| 271 } // namespace mozilla |
