diff options
Diffstat (limited to '')
| -rw-r--r-- | dom/media/webrtc/jsapi/MediaTransportHandlerIPC.cpp | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/MediaTransportHandlerIPC.cpp b/dom/media/webrtc/jsapi/MediaTransportHandlerIPC.cpp new file mode 100644 index 0000000000..6369d229ee --- /dev/null +++ b/dom/media/webrtc/jsapi/MediaTransportHandlerIPC.cpp @@ -0,0 +1,414 @@ +/* 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 "MediaTransportHandlerIPC.h" +#include "mozilla/dom/MediaTransportChild.h" +#include "nsThreadUtils.h" +#include "mozilla/net/SocketProcessBridgeChild.h" +#include "mozilla/RefPtr.h" +#include "mozilla/ipc/BackgroundChild.h" +#include "mozilla/ipc/PBackgroundChild.h" +#include "common/browser_logging/CSFLog.h" + +namespace mozilla { + +static const char* mthipcLogTag = "MediaTransportHandler"; +#ifdef LOGTAG +# undef LOGTAG +#endif +#define LOGTAG mthipcLogTag + +MediaTransportHandlerIPC::MediaTransportHandlerIPC( + nsISerialEventTarget* aCallbackThread) + : MediaTransportHandler(aCallbackThread) {} + +void MediaTransportHandlerIPC::Initialize() { + mInitPromise = net::SocketProcessBridgeChild::GetSocketProcessBridge()->Then( + mCallbackThread, __func__, + [this, self = RefPtr<MediaTransportHandlerIPC>(this)]( + const RefPtr<net::SocketProcessBridgeChild>& aBridge) { + ipc::PBackgroundChild* actor = + ipc::BackgroundChild::GetOrCreateSocketActorForCurrentThread(); + // An actor that can't send is possible if the socket process has + // crashed but hasn't been reconnected properly. See + // SocketProcessBridgeChild::ActorDestroy for more info. + if (!actor || !actor->CanSend()) { + NS_WARNING( + "MediaTransportHandlerIPC async init failed! Webrtc networking " + "will not work!"); + return InitPromise::CreateAndReject( + nsCString("GetOrCreateSocketActorForCurrentThread failed!"), + __func__); + } + MediaTransportChild* child = new MediaTransportChild(this); + // PBackgroungChild owns mChild! When it is done with it, + // mChild will let us know it it going away. + mChild = actor->SendPMediaTransportConstructor(child); + CSFLogDebug(LOGTAG, "%s Init done", __func__); + return InitPromise::CreateAndResolve(true, __func__); + }, + [=](const nsCString& aError) { + CSFLogError(LOGTAG, + "MediaTransportHandlerIPC async init failed! Webrtc " + "networking will not work! Error was %s", + aError.get()); + NS_WARNING( + "MediaTransportHandlerIPC async init failed! Webrtc networking " + "will not work!"); + return InitPromise::CreateAndReject(aError, __func__); + }); +} + +RefPtr<MediaTransportHandler::IceLogPromise> +MediaTransportHandlerIPC::GetIceLog(const nsCString& aPattern) { + return mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /* dummy */) { + if (!mChild) { + return IceLogPromise::CreateAndReject(NS_ERROR_FAILURE, __func__); + } + // Compiler has trouble deducing the return type here for some reason, + // so we use a temp variable as a hint. + // SendGetIceLog _almost_ returns an IceLogPromise; the reject value + // differs (ipc::ResponseRejectReason vs nsresult) so we need to + // convert. + RefPtr<IceLogPromise> promise = mChild->SendGetIceLog(aPattern)->Then( + mCallbackThread, __func__, + [](WebrtcGlobalLog&& aLogLines) { + return IceLogPromise::CreateAndResolve(std::move(aLogLines), + __func__); + }, + [](ipc::ResponseRejectReason aReason) { + return IceLogPromise::CreateAndReject(NS_ERROR_FAILURE, __func__); + }); + return promise; + }, + [](const nsCString& aError) { + return IceLogPromise::CreateAndReject(NS_ERROR_FAILURE, __func__); + }); +} + +void MediaTransportHandlerIPC::ClearIceLog() { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendClearIceLog(); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::EnterPrivateMode() { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendEnterPrivateMode(); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::ExitPrivateMode() { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendExitPrivateMode(); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::CreateIceCtx(const std::string& aName) { + CSFLogDebug(LOGTAG, "MediaTransportHandlerIPC::CreateIceCtx start"); + + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + CSFLogDebug(LOGTAG, "%s starting", __func__); + if (NS_WARN_IF(!mChild->SendCreateIceCtx(aName))) { + CSFLogError(LOGTAG, "%s failed!", __func__); + } + } + }, + [](const nsCString& aError) {}); +} + +nsresult MediaTransportHandlerIPC::SetIceConfig( + const nsTArray<dom::RTCIceServer>& aIceServers, + dom::RTCIceTransportPolicy aIcePolicy) { + // Run some validation on this side of the IPC boundary so we can return + // errors synchronously. We don't actually use the results. It might make + // sense to move this check to PeerConnection and have this API take the + // converted form, but we would need to write IPC serialization code for + // the NrIce*Server types. + std::vector<NrIceStunServer> stunServers; + std::vector<NrIceTurnServer> turnServers; + nsresult rv = ConvertIceServers(aIceServers, &stunServers, &turnServers); + if (NS_FAILED(rv)) { + return rv; + } + + mInitPromise->Then( + mCallbackThread, __func__, + [=, iceServers = aIceServers.Clone(), + self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + if (NS_WARN_IF(!mChild->SendSetIceConfig(std::move(iceServers), + aIcePolicy))) { + CSFLogError(LOGTAG, "%s failed!", __func__); + } + } + }, + [](const nsCString& aError) {}); + + return NS_OK; +} + +void MediaTransportHandlerIPC::Destroy() { + if (mChild) { + MediaTransportChild::Send__delete__(mChild); + mChild = nullptr; + } + delete this; +} + +// We will probably be able to move the proxy lookup stuff into +// this class once we move mtransport to its own process. +void MediaTransportHandlerIPC::SetProxyConfig( + NrSocketProxyConfig&& aProxyConfig) { + mInitPromise->Then( + mCallbackThread, __func__, + [aProxyConfig = std::move(aProxyConfig), this, + self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) mutable { + if (mChild) { + mChild->SendSetProxyConfig(aProxyConfig.GetConfig()); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::EnsureProvisionalTransport( + const std::string& aTransportId, const std::string& aLocalUfrag, + const std::string& aLocalPwd, int aComponentCount) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendEnsureProvisionalTransport(aTransportId, aLocalUfrag, + aLocalPwd, aComponentCount); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::SetTargetForDefaultLocalAddressLookup( + const std::string& aTargetIp, uint16_t aTargetPort) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendSetTargetForDefaultLocalAddressLookup(aTargetIp, + aTargetPort); + } + }, + [](const nsCString& aError) {}); +} + +// We set default-route-only as late as possible because it depends on what +// capture permissions have been granted on the window, which could easily +// change between Init (ie; when the PC is created) and StartIceGathering +// (ie; when we set the local description). +void MediaTransportHandlerIPC::StartIceGathering( + bool aDefaultRouteOnly, bool aObfuscateHostAddresses, + // TODO(bug 1522205): It probably makes sense to look this up internally + const nsTArray<NrIceStunAddr>& aStunAddrs) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, stunAddrs = aStunAddrs.Clone(), + self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendStartIceGathering(aDefaultRouteOnly, + aObfuscateHostAddresses, stunAddrs); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::ActivateTransport( + const std::string& aTransportId, const std::string& aLocalUfrag, + const std::string& aLocalPwd, size_t aComponentCount, + const std::string& aUfrag, const std::string& aPassword, + const nsTArray<uint8_t>& aKeyDer, const nsTArray<uint8_t>& aCertDer, + SSLKEAType aAuthType, bool aDtlsClient, const DtlsDigestList& aDigests, + bool aPrivacyRequested) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, keyDer = aKeyDer.Clone(), certDer = aCertDer.Clone(), + self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendActivateTransport(aTransportId, aLocalUfrag, aLocalPwd, + aComponentCount, aUfrag, aPassword, + keyDer, certDer, aAuthType, aDtlsClient, + aDigests, aPrivacyRequested); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::RemoveTransportsExcept( + const std::set<std::string>& aTransportIds) { + std::vector<std::string> transportIds(aTransportIds.begin(), + aTransportIds.end()); + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendRemoveTransportsExcept(transportIds); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::StartIceChecks( + bool aIsControlling, const std::vector<std::string>& aIceOptions) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendStartIceChecks(aIsControlling, aIceOptions); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::SendPacket(const std::string& aTransportId, + MediaPacket&& aPacket) { + mInitPromise->Then( + mCallbackThread, __func__, + [this, self = RefPtr<MediaTransportHandlerIPC>(this), aTransportId, + aPacket = std::move(aPacket)](bool /*dummy*/) mutable { + if (mChild) { + mChild->SendSendPacket(aTransportId, aPacket); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::AddIceCandidate( + const std::string& aTransportId, const std::string& aCandidate, + const std::string& aUfrag, const std::string& aObfuscatedAddress) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendAddIceCandidate(aTransportId, aCandidate, aUfrag, + aObfuscatedAddress); + } + }, + [](const nsCString& aError) {}); +} + +void MediaTransportHandlerIPC::UpdateNetworkState(bool aOnline) { + mInitPromise->Then( + mCallbackThread, __func__, + [=, self = RefPtr<MediaTransportHandlerIPC>(this)](bool /*dummy*/) { + if (mChild) { + mChild->SendUpdateNetworkState(aOnline); + } + }, + [](const nsCString& aError) {}); +} + +RefPtr<dom::RTCStatsPromise> MediaTransportHandlerIPC::GetIceStats( + const std::string& aTransportId, DOMHighResTimeStamp aNow) { + using IPCPromise = dom::PMediaTransportChild::GetIceStatsPromise; + return mInitPromise + ->Then(mCallbackThread, __func__, + [aTransportId, aNow, this, self = RefPtr(this)]( + const InitPromise::ResolveOrRejectValue& aValue) { + if (aValue.IsReject()) { + return IPCPromise::CreateAndResolve( + MakeUnique<dom::RTCStatsCollection>(), + "MediaTransportHandlerIPC::GetIceStats_1"); + } + if (!mChild) { + return IPCPromise::CreateAndResolve( + MakeUnique<dom::RTCStatsCollection>(), + "MediaTransportHandlerIPC::GetIceStats_1"); + } + return mChild->SendGetIceStats(aTransportId, aNow); + }) + ->Then(mCallbackThread, __func__, + [](IPCPromise::ResolveOrRejectValue&& aValue) { + if (aValue.IsReject()) { + return dom::RTCStatsPromise::CreateAndResolve( + MakeUnique<dom::RTCStatsCollection>(), + "MediaTransportHandlerIPC::GetIceStats_2"); + } + return dom::RTCStatsPromise::CreateAndResolve( + std::move(aValue.ResolveValue()), + "MediaTransportHandlerIPC::GetIceStats_2"); + }); +} + +MediaTransportChild::MediaTransportChild(MediaTransportHandlerIPC* aUser) + : mUser(aUser) {} + +MediaTransportChild::~MediaTransportChild() { mUser->mChild = nullptr; } + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnCandidate( + const string& transportId, const CandidateInfo& candidateInfo) { + mUser->OnCandidate(transportId, candidateInfo); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnAlpnNegotiated( + const string& alpn) { + mUser->OnAlpnNegotiated(alpn); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnGatheringStateChange( + const int& state) { + mUser->OnGatheringStateChange(static_cast<dom::RTCIceGatheringState>(state)); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnConnectionStateChange( + const int& state) { + mUser->OnConnectionStateChange( + static_cast<dom::RTCIceConnectionState>(state)); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnPacketReceived( + const string& transportId, const MediaPacket& packet) { + mUser->OnPacketReceived(transportId, packet); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnEncryptedSending( + const string& transportId, const MediaPacket& packet) { + mUser->OnEncryptedSending(transportId, packet); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnStateChange( + const string& transportId, const int& state) { + mUser->OnStateChange(transportId, static_cast<TransportLayer::State>(state)); + return ipc::IPCResult::Ok(); +} + +mozilla::ipc::IPCResult MediaTransportChild::RecvOnRtcpStateChange( + const string& transportId, const int& state) { + mUser->OnRtcpStateChange(transportId, + static_cast<TransportLayer::State>(state)); + return ipc::IPCResult::Ok(); +} + +} // namespace mozilla |