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+/**
+ * @file llvoicewebrtc.h
+ * @brief Declaration of LLWebRTCVoiceClient class which is the interface to the voice client process.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2023, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+#ifndef LL_VOICE_WEBRTC_H
+#define LL_VOICE_WEBRTC_H
+
+class LLVOAvatar;
+class LLWebRTCProtocolParser;
+
+#include "lliopipe.h"
+#include "llpumpio.h"
+#include "llchainio.h"
+#include "lliosocket.h"
+#include "v3math.h"
+#include "llframetimer.h"
+#include "llviewerregion.h"
+#include "llcallingcard.h" // for LLFriendObserver
+#include "lleventcoro.h"
+#include "llcoros.h"
+#include <queue>
+
+#ifdef LL_USESYSTEMLIBS
+# include "expat.h"
+#else
+# include "expat/expat.h"
+#endif
+#include "llvoiceclient.h"
+
+// WebRTC Includes
+#include <llwebrtc.h>
+
+class LLAvatarName;
+class LLWebRTCVoiceClientMuteListObserver;
+
+
+class LLWebRTCVoiceClient : public LLSingleton<LLWebRTCVoiceClient>,
+ virtual public LLVoiceModuleInterface,
+ virtual public LLVoiceEffectInterface,
+ public llwebrtc::LLWebRTCDevicesObserver,
+ public llwebrtc::LLWebRTCSignalingObserver
+{
+ LLSINGLETON(LLWebRTCVoiceClient);
+ LOG_CLASS(LLWebRTCVoiceClient);
+ virtual ~LLWebRTCVoiceClient();
+
+public:
+ /// @name LLVoiceModuleInterface virtual implementations
+ /// @see LLVoiceModuleInterface
+ //@{
+ virtual void init(LLPumpIO *pump); // Call this once at application startup (creates connector)
+ virtual void terminate(); // Call this to clean up during shutdown
+
+ virtual const LLVoiceVersionInfo& getVersion();
+
+ virtual void updateSettings(); // call after loading settings and whenever they change
+
+ // Returns true if WebRTC has successfully logged in and is not in error state
+ virtual bool isVoiceWorking() const;
+
+ /////////////////////
+ /// @name Tuning
+ //@{
+ virtual void tuningStart();
+ virtual void tuningStop();
+ virtual bool inTuningMode();
+
+ virtual void tuningSetMicVolume(float volume);
+ virtual void tuningSetSpeakerVolume(float volume);
+ virtual float tuningGetEnergy(void);
+ //@}
+
+ /////////////////////
+ /// @name Devices
+ //@{
+ // This returns true when it's safe to bring up the "device settings" dialog in the prefs.
+ // i.e. when the daemon is running and connected, and the device lists are populated.
+ virtual bool deviceSettingsAvailable();
+ virtual bool deviceSettingsUpdated(); //return if the list has been updated and never fetched, only to be called from the voicepanel.
+
+ // Requery the WebRTC daemon for the current list of input/output devices.
+ // If you pass true for clearCurrentList, deviceSettingsAvailable() will be false until the query has completed
+ // (use this if you want to know when it's done).
+ // If you pass false, you'll have no way to know when the query finishes, but the device lists will not appear empty in the interim.
+ virtual void refreshDeviceLists(bool clearCurrentList = true);
+
+ virtual void setCaptureDevice(const std::string& name);
+ virtual void setRenderDevice(const std::string& name);
+
+ virtual LLVoiceDeviceList& getCaptureDevices();
+ virtual LLVoiceDeviceList& getRenderDevices();
+ //@}
+
+ virtual void getParticipantList(std::set<LLUUID> &participants);
+ virtual bool isParticipant(const LLUUID& speaker_id);
+
+ // Send a text message to the specified user, initiating the session if necessary.
+ // virtual BOOL sendTextMessage(const LLUUID& participant_id, const std::string& message) const {return false;};
+
+ // close any existing text IM session with the specified user
+ virtual void endUserIMSession(const LLUUID &uuid);
+
+ // Returns true if calling back the session URI after the session has closed is possible.
+ // Currently this will be false only for PSTN P2P calls.
+ // NOTE: this will return true if the session can't be found.
+ virtual BOOL isSessionCallBackPossible(const LLUUID &session_id);
+
+ // Returns true if the session can accepte text IM's.
+ // Currently this will be false only for PSTN P2P calls.
+ // NOTE: this will return true if the session can't be found.
+ virtual BOOL isSessionTextIMPossible(const LLUUID &session_id);
+
+
+ ////////////////////////////
+ /// @name Channel stuff
+ //@{
+ // returns true iff the user is currently in a proximal (local spatial) channel.
+ // Note that gestures should only fire if this returns true.
+ virtual bool inProximalChannel();
+
+ virtual void setNonSpatialChannel(const std::string &uri,
+ const std::string &credentials);
+
+ virtual bool setSpatialChannel(const std::string &uri,
+ const std::string &credentials);
+
+ virtual void leaveNonSpatialChannel();
+
+ virtual void leaveChannel(void);
+
+ // Returns the URI of the current channel, or an empty string if not currently in a channel.
+ // NOTE that it will return an empty string if it's in the process of joining a channel.
+ virtual std::string getCurrentChannel();
+ //@}
+
+
+ //////////////////////////
+ /// @name invitations
+ //@{
+ // start a voice channel with the specified user
+ virtual void callUser(const LLUUID &uuid);
+ virtual bool isValidChannel(std::string &channelHandle);
+ virtual bool answerInvite(std::string &channelHandle);
+ virtual void declineInvite(std::string &channelHandle);
+ //@}
+
+ /////////////////////////
+ /// @name Volume/gain
+ //@{
+ virtual void setVoiceVolume(F32 volume);
+ virtual void setMicGain(F32 volume);
+ //@}
+
+ /////////////////////////
+ /// @name enable disable voice and features
+ //@{
+ virtual bool voiceEnabled();
+ virtual void setVoiceEnabled(bool enabled);
+ virtual BOOL lipSyncEnabled();
+ virtual void setLipSyncEnabled(BOOL enabled);
+ virtual void setMuteMic(bool muted); // Set the mute state of the local mic.
+ //@}
+
+ //////////////////////////
+ /// @name nearby speaker accessors
+ //@{
+ virtual BOOL getVoiceEnabled(const LLUUID& id); // true if we've received data for this avatar
+ virtual std::string getDisplayName(const LLUUID& id);
+ virtual BOOL isParticipantAvatar(const LLUUID &id);
+ virtual BOOL getIsSpeaking(const LLUUID& id);
+ virtual BOOL getIsModeratorMuted(const LLUUID& id);
+ virtual F32 getCurrentPower(const LLUUID& id); // "power" is related to "amplitude" in a defined way. I'm just not sure what the formula is...
+ virtual BOOL getOnMuteList(const LLUUID& id);
+ virtual F32 getUserVolume(const LLUUID& id);
+ virtual void setUserVolume(const LLUUID& id, F32 volume); // set's volume for specified agent, from 0-1 (where .5 is nominal)
+ //@}
+
+ // authorize the user
+ virtual void userAuthorized(const std::string& user_id,
+ const LLUUID &agentID);
+
+ //////////////////////////////
+ /// @name Status notification
+ //@{
+ virtual void addObserver(LLVoiceClientStatusObserver* observer);
+ virtual void removeObserver(LLVoiceClientStatusObserver* observer);
+ virtual void addObserver(LLFriendObserver* observer);
+ virtual void removeObserver(LLFriendObserver* observer);
+ virtual void addObserver(LLVoiceClientParticipantObserver* observer);
+ virtual void removeObserver(LLVoiceClientParticipantObserver* observer);
+ //@}
+
+ virtual std::string sipURIFromID(const LLUUID &id);
+ //@}
+
+ /// @name LLVoiceEffectInterface virtual implementations
+ /// @see LLVoiceEffectInterface
+ //@{
+
+ //////////////////////////
+ /// @name Accessors
+ //@{
+ virtual bool setVoiceEffect(const LLUUID& id);
+ virtual const LLUUID getVoiceEffect();
+ virtual LLSD getVoiceEffectProperties(const LLUUID& id);
+
+ virtual void refreshVoiceEffectLists(bool clear_lists);
+ virtual const voice_effect_list_t& getVoiceEffectList() const;
+ virtual const voice_effect_list_t& getVoiceEffectTemplateList() const;
+ //@}
+
+ //////////////////////////////
+ /// @name Status notification
+ //@{
+ virtual void addObserver(LLVoiceEffectObserver* observer);
+ virtual void removeObserver(LLVoiceEffectObserver* observer);
+ //@}
+
+ //////////////////////////////
+ /// @name Devices change notification
+ // LLWebRTCDevicesObserver
+ //@{
+ void OnRenderDevicesChanged(const llwebrtc::LLWebRTCVoiceDeviceList &render_devices) override;
+ void OnCaptureDevicesChanged(const llwebrtc::LLWebRTCVoiceDeviceList &render_devices) override;
+ //@}
+
+ //////////////////////////////
+ /// @name Signaling notification
+ // LLWebRTCSignalingObserver
+ //@{
+ void OnIceGatheringState(IceGatheringState state) override;
+ void OnIceCandidate(const llwebrtc::LLWebRTCIceCandidate &candidate) override;
+ void OnOfferAvailable(const std::string &sdp) override;
+ void OnAudioEstablished(llwebrtc::LLWebRTCAudioInterface *audio_interface) override;
+ //@}
+
+ void processIceUpdates();
+ void onIceUpdateComplete(const LLSD& result);
+ void onIceUpdateError(int retries, std::string url, LLSD body, const LLSD& result);
+
+
+ //////////////////////////////
+ /// @name Effect preview buffer
+ //@{
+ virtual void enablePreviewBuffer(bool enable);
+ virtual void recordPreviewBuffer();
+ virtual void playPreviewBuffer(const LLUUID& effect_id = LLUUID::null);
+ virtual void stopPreviewBuffer();
+
+ virtual bool isPreviewRecording();
+ virtual bool isPreviewPlaying();
+ //@}
+
+ //@}
+
+ bool onCheckVoiceEffect(const std::string& voice_effect_name);
+ void onClickVoiceEffect(const std::string& voice_effect_name);
+
+protected:
+ //////////////////////
+ // WebRTC Specific definitions
+
+ friend class LLWebRTCVoiceClientMuteListObserver;
+ friend class LLWebRTCVoiceClientFriendsObserver;
+
+
+ enum streamState
+ {
+ streamStateUnknown = 0,
+ streamStateIdle = 1,
+ streamStateConnected = 2,
+ streamStateRinging = 3,
+ streamStateConnecting = 6, // same as WebRTC session_media_connecting enum
+ streamStateDisconnecting = 7, //Same as WebRTC session_media_disconnecting enum
+ };
+
+ struct participantState
+ {
+ public:
+ participantState(const std::string &uri);
+
+ bool updateMuteState(); // true if mute state has changed
+ bool isAvatar();
+
+ std::string mURI;
+ LLUUID mAvatarID;
+ std::string mAccountName;
+ std::string mDisplayName;
+ LLFrameTimer mSpeakingTimeout;
+ F32 mLastSpokeTimestamp;
+ F32 mPower;
+ F32 mVolume;
+ std::string mGroupID;
+ int mUserVolume;
+ bool mPTT;
+ bool mIsSpeaking;
+ bool mIsModeratorMuted;
+ bool mOnMuteList; // true if this avatar is on the user's mute list (and should be muted)
+ bool mVolumeSet; // true if incoming volume messages should not change the volume
+ bool mVolumeDirty; // true if this participant needs a volume command sent (either mOnMuteList or mUserVolume has changed)
+ bool mAvatarIDValid;
+ bool mIsSelf;
+ };
+ typedef boost::shared_ptr<participantState> participantStatePtr_t;
+ typedef boost::weak_ptr<participantState> participantStateWptr_t;
+
+ typedef std::map<const std::string, participantStatePtr_t> participantMap;
+ typedef std::map<const LLUUID, participantStatePtr_t> participantUUIDMap;
+
+ struct sessionState
+ {
+ public:
+ typedef boost::shared_ptr<sessionState> ptr_t;
+ typedef boost::weak_ptr<sessionState> wptr_t;
+
+ typedef boost::function<void(const ptr_t &)> sessionFunc_t;
+
+ static ptr_t createSession();
+ ~sessionState();
+
+ participantStatePtr_t addParticipant(const std::string &uri);
+ void removeParticipant(const participantStatePtr_t &participant);
+ void removeAllParticipants();
+
+ participantStatePtr_t findParticipant(const std::string &uri);
+ participantStatePtr_t findParticipantByID(const LLUUID& id);
+
+ static ptr_t matchSessionByHandle(const std::string &handle);
+ static ptr_t matchCreatingSessionByURI(const std::string &uri);
+ static ptr_t matchSessionByURI(const std::string &uri);
+ static ptr_t matchSessionByParticipant(const LLUUID &participant_id);
+
+ bool isCallBackPossible();
+ bool isTextIMPossible();
+
+ static void for_each(sessionFunc_t func);
+
+ std::string mHandle;
+ std::string mGroupHandle;
+ std::string mSIPURI;
+ std::string mAlias;
+ std::string mName;
+ std::string mAlternateSIPURI;
+ std::string mHash; // Channel password
+ std::string mErrorStatusString;
+ std::queue<std::string> mTextMsgQueue;
+
+ LLUUID mIMSessionID;
+ LLUUID mCallerID;
+ int mErrorStatusCode;
+ int mMediaStreamState;
+ bool mCreateInProgress; // True if a Session.Create has been sent for this session and no response has been received yet.
+ bool mMediaConnectInProgress; // True if a Session.MediaConnect has been sent for this session and no response has been received yet.
+ bool mVoiceInvitePending; // True if a voice invite is pending for this session (usually waiting on a name lookup)
+ bool mTextInvitePending; // True if a text invite is pending for this session (usually waiting on a name lookup)
+ bool mSynthesizedCallerID; // True if the caller ID is a hash of the SIP URI -- this means we shouldn't do a name lookup.
+ bool mIsChannel; // True for both group and spatial channels (false for p2p, PSTN)
+ bool mIsSpatial; // True for spatial channels
+ bool mIsP2P;
+ bool mIncoming;
+ bool mVoiceActive;
+ bool mReconnect; // Whether we should try to reconnect to this session if it's dropped
+
+ // Set to true when the volume/mute state of someone in the participant list changes.
+ // The code will have to walk the list to find the changed participant(s).
+ bool mVolumeDirty;
+ bool mMuteDirty;
+
+ bool mParticipantsChanged;
+ participantMap mParticipantsByURI;
+ participantUUIDMap mParticipantsByUUID;
+
+ LLUUID mVoiceFontID;
+
+ static void VerifySessions();
+
+ private:
+ sessionState();
+
+ static std::set<wptr_t> mSession; // canonical list of outstanding sessions.
+ std::set<wptr_t>::iterator mMyIterator; // used for delete
+
+ static void for_eachPredicate(const wptr_t &a, sessionFunc_t func);
+
+ static bool testByHandle(const LLWebRTCVoiceClient::sessionState::wptr_t &a, std::string handle);
+ static bool testByCreatingURI(const LLWebRTCVoiceClient::sessionState::wptr_t &a, std::string uri);
+ static bool testBySIPOrAlterateURI(const LLWebRTCVoiceClient::sessionState::wptr_t &a, std::string uri);
+ static bool testByCallerId(const LLWebRTCVoiceClient::sessionState::wptr_t &a, LLUUID participantId);
+
+ };
+ typedef boost::shared_ptr<sessionState> sessionStatePtr_t;
+
+ typedef std::map<std::string, sessionStatePtr_t> sessionMap;
+
+ ///////////////////////////////////////////////////////
+ // Private Member Functions
+ //////////////////////////////////////////////////////
+
+
+
+ //////////////////////////////
+ /// @name TVC/Server management and communication
+ //@{
+ // Call this if the connection to the daemon terminates unexpectedly. It will attempt to reset everything and relaunch.
+ void daemonDied();
+
+ // Call this if we're just giving up on voice (can't provision an account, etc.). It will clean up and go away.
+ void giveUp();
+
+ // write to the tvc
+ bool writeString(const std::string &str);
+
+ void connectorCreate();
+ void connectorShutdown();
+ void closeSocket(void);
+
+// void requestVoiceAccountProvision(S32 retries = 3);
+ void setLoginInfo(
+ const std::string& account_name,
+ const std::string& password,
+ const std::string& channel_sdp);
+ void loginSendMessage();
+ void logout();
+ void logoutSendMessage();
+
+
+ //@}
+
+ //------------------------------------
+ // tuning
+
+ void tuningRenderStartSendMessage(const std::string& name, bool loop);
+ void tuningRenderStopSendMessage();
+
+ void tuningCaptureStartSendMessage(int duration);
+ void tuningCaptureStopSendMessage();
+
+ //----------------------------------
+ // devices
+ void clearCaptureDevices();
+ void addCaptureDevice(const LLVoiceDevice& device);
+
+ void clearRenderDevices();
+ void addRenderDevice(const LLVoiceDevice& device);
+ void setDevicesListUpdated(bool state);
+ void buildSetAudioDevices(std::ostringstream &stream);
+
+ // local audio updates, mic mute, speaker mute, mic volume and speaker volumes
+ void sendLocalAudioUpdates();
+
+ /////////////////////////////
+ // Response/Event handlers
+ void connectorCreateResponse(int statusCode, std::string &statusString, std::string &connectorHandle, std::string &versionID);
+ void loginResponse(int statusCode, std::string &statusString, std::string &accountHandle, int numberOfAliases);
+ void sessionCreateResponse(std::string &requestId, int statusCode, std::string &statusString, std::string &sessionHandle);
+ void sessionGroupAddSessionResponse(std::string &requestId, int statusCode, std::string &statusString, std::string &sessionHandle);
+ void sessionConnectResponse(std::string &requestId, int statusCode, std::string &statusString);
+ void logoutResponse(int statusCode, std::string &statusString);
+ void connectorShutdownResponse(int statusCode, std::string &statusString);
+
+ void accountLoginStateChangeEvent(std::string &accountHandle, int statusCode, std::string &statusString, int state);
+ void mediaCompletionEvent(std::string &sessionGroupHandle, std::string &mediaCompletionType);
+ void mediaStreamUpdatedEvent(std::string &sessionHandle, std::string &sessionGroupHandle, int statusCode, std::string &statusString, int state, bool incoming);
+ void sessionAddedEvent(std::string &uriString, std::string &alias, std::string &sessionHandle, std::string &sessionGroupHandle, bool isChannel, bool incoming, std::string &nameString, std::string &applicationString);
+ void sessionGroupAddedEvent(std::string &sessionGroupHandle);
+ void sessionRemovedEvent(std::string &sessionHandle, std::string &sessionGroupHandle);
+ void participantAddedEvent(std::string &sessionHandle, std::string &sessionGroupHandle, std::string &uriString, std::string &alias, std::string &nameString, std::string &displayNameString, int participantType);
+ void participantRemovedEvent(std::string &sessionHandle, std::string &sessionGroupHandle, std::string &uriString, std::string &alias, std::string &nameString);
+ void participantUpdatedEvent(std::string &sessionHandle, std::string &sessionGroupHandle, std::string &uriString, std::string &alias, bool isModeratorMuted, bool isSpeaking, int volume, F32 energy);
+ void voiceServiceConnectionStateChangedEvent(int statusCode, std::string &statusString, std::string &build_id);
+ void auxAudioPropertiesEvent(F32 energy);
+ void messageEvent(std::string &sessionHandle, std::string &uriString, std::string &alias, std::string &messageHeader, std::string &messageBody, std::string &applicationString);
+ void sessionNotificationEvent(std::string &sessionHandle, std::string &uriString, std::string &notificationType);
+
+ void muteListChanged();
+
+ /////////////////////////////
+ // VAD changes
+ // disable auto-VAD and configure VAD parameters explicitly
+ void setupVADParams(unsigned int vad_auto, unsigned int vad_hangover, unsigned int vad_noise_floor, unsigned int vad_sensitivity);
+ void onVADSettingsChange();
+
+ /////////////////////////////
+ // Sending updates of current state
+ void updatePosition(void);
+ void setCameraPosition(const LLVector3d &position, const LLVector3 &velocity, const LLMatrix3 &rot);
+ void setAvatarPosition(const LLVector3d &position, const LLVector3 &velocity, const LLQuaternion &rot);
+ bool channelFromRegion(LLViewerRegion *region, std::string &name);
+
+ void setEarLocation(S32 loc);
+
+
+ /////////////////////////////
+ // Accessors for data related to nearby speakers
+
+ // MBW -- XXX -- Not sure how to get this data out of the TVC
+ BOOL getUsingPTT(const LLUUID& id);
+ std::string getGroupID(const LLUUID& id); // group ID if the user is in group chat (empty string if not applicable)
+
+ /////////////////////////////
+ BOOL getAreaVoiceDisabled(); // returns true if the area the avatar is in is speech-disabled.
+ // Use this to determine whether to show a "no speech" icon in the menu bar.
+
+
+ /////////////////////////////
+ // Recording controls
+ void recordingLoopStart(int seconds = 3600, int deltaFramesPerControlFrame = 200);
+ void recordingLoopSave(const std::string& filename);
+ void recordingStop();
+
+ // Playback controls
+ void filePlaybackStart(const std::string& filename);
+ void filePlaybackStop();
+ void filePlaybackSetPaused(bool paused);
+ void filePlaybackSetMode(bool vox = false, float speed = 1.0f);
+
+ participantStatePtr_t findParticipantByID(const LLUUID& id);
+
+
+#if 0
+ ////////////////////////////////////////
+ // voice sessions.
+ typedef std::set<sessionStatePtr_t> sessionSet;
+
+ typedef sessionSet::iterator sessionIterator;
+ sessionIterator sessionsBegin(void);
+ sessionIterator sessionsEnd(void);
+#endif
+
+ sessionStatePtr_t findSession(const std::string &handle);
+ sessionStatePtr_t findSessionBeingCreatedByURI(const std::string &uri);
+ sessionStatePtr_t findSession(const LLUUID &participant_id);
+
+ sessionStatePtr_t addSession(const std::string &uri, const std::string &handle = std::string());
+ void clearSessionHandle(const sessionStatePtr_t &session);
+ void setSessionHandle(const sessionStatePtr_t &session, const std::string &handle);
+ void setSessionURI(const sessionStatePtr_t &session, const std::string &uri);
+ void deleteSession(const sessionStatePtr_t &session);
+ void deleteAllSessions(void);
+
+ void verifySessionState(void);
+
+ void joinedAudioSession(const sessionStatePtr_t &session);
+ void leftAudioSession(const sessionStatePtr_t &session);
+
+ // This is called in several places where the session _may_ need to be deleted.
+ // It contains logic for whether to delete the session or keep it around.
+ void reapSession(const sessionStatePtr_t &session);
+
+ // Returns true if the session seems to indicate we've moved to a region on a different voice server
+ bool sessionNeedsRelog(const sessionStatePtr_t &session);
+
+
+ //////////////////////////////////////
+ // buddy list stuff, needed for SLIM later
+ struct buddyListEntry
+ {
+ buddyListEntry(const std::string &uri);
+ std::string mURI;
+ std::string mDisplayName;
+ LLUUID mUUID;
+ bool mOnlineSL;
+ bool mOnlineSLim;
+ bool mCanSeeMeOnline;
+ bool mHasBlockListEntry;
+ bool mHasAutoAcceptListEntry;
+ bool mNameResolved;
+ bool mInSLFriends;
+ bool mInWebRTCBuddies;
+ };
+
+ typedef std::map<std::string, buddyListEntry*> buddyListMap;
+
+ /////////////////////////////
+ // session control messages
+
+ void accountListBlockRulesSendMessage();
+ void accountListAutoAcceptRulesSendMessage();
+
+ void sessionGroupCreateSendMessage();
+ void sessionCreateSendMessage(const sessionStatePtr_t &session, bool startAudio = true, bool startText = false);
+ void sessionGroupAddSessionSendMessage(const sessionStatePtr_t &session, bool startAudio = true, bool startText = false);
+ void sessionMediaConnectSendMessage(const sessionStatePtr_t &session); // just joins the audio session
+ void sessionTextConnectSendMessage(const sessionStatePtr_t &session); // just joins the text session
+ void sessionTerminateSendMessage(const sessionStatePtr_t &session);
+ void sessionGroupTerminateSendMessage(const sessionStatePtr_t &session);
+ void sessionMediaDisconnectSendMessage(const sessionStatePtr_t &session);
+ // void sessionTextDisconnectSendMessage(sessionState *session);
+
+
+
+ // Pokes the state machine to leave the audio session next time around.
+ void sessionTerminate();
+
+ // Pokes the state machine to shut down the connector and restart it.
+ void requestRelog();
+
+ // Does the actual work to get out of the audio session
+ void leaveAudioSession();
+
+ friend class LLWebRTCVoiceClientCapResponder;
+
+
+ void lookupName(const LLUUID &id);
+ void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
+ void avatarNameResolved(const LLUUID &id, const std::string &name);
+ static void predAvatarNameResolution(const LLWebRTCVoiceClient::sessionStatePtr_t &session, LLUUID id, std::string name);
+
+ boost::signals2::connection mAvatarNameCacheConnection;
+
+ /////////////////////////////
+ // Voice fonts
+
+ void addVoiceFont(const S32 id,
+ const std::string &name,
+ const std::string &description,
+ const LLDate &expiration_date,
+ bool has_expired,
+ const S32 font_type,
+ const S32 font_status,
+ const bool template_font = false);
+ void accountGetSessionFontsResponse(int statusCode, const std::string &statusString);
+ void accountGetTemplateFontsResponse(int statusCode, const std::string &statusString);
+
+private:
+
+ LLVoiceVersionInfo mVoiceVersion;
+
+ // Coroutine support methods
+ //---
+ void voiceControlCoro();
+ void voiceControlStateMachine();
+ int mVoiceControlState;
+
+ bool endAndDisconnectSession();
+
+ bool callbackEndDaemon(const LLSD& data);
+ bool provisionVoiceAccount();
+ void OnVoiceAccountProvisioned(const LLSD& body);
+ void OnVoiceAccountProvisionFailure(std::string url, int retries, LLSD body, const LLSD& result);
+ bool establishVoiceConnection();
+ bool breakVoiceConnection(bool wait);
+ bool loginToWebRTC();
+ void logoutOfWebRTC(bool wait);
+
+ bool requestParcelVoiceInfo();
+
+ bool addAndJoinSession(const sessionStatePtr_t &nextSession);
+ bool terminateAudioSession(bool wait);
+
+ bool waitForChannel();
+ bool runSession(const sessionStatePtr_t &session);
+
+ void recordingAndPlaybackMode();
+ int voiceRecordBuffer();
+ int voicePlaybackBuffer();
+
+ bool performMicTuning();
+ //---
+ /// Clean up objects created during a voice session.
+ void cleanUp();
+
+ bool mSessionTerminateRequested;
+ bool mRelogRequested;
+ // Number of times (in a row) "stateJoiningSession" case for spatial channel is reached in stateMachine().
+ // The larger it is the greater is possibility there is a problem with connection to voice server.
+ // Introduced while fixing EXT-4313.
+ int mSpatialJoiningNum;
+
+ static void idle(void *user_data);
+
+ LLHost mDaemonHost;
+ LLSocket::ptr_t mSocket;
+
+ // We should kill the voice daemon in case of connection alert
+ bool mTerminateDaemon;
+
+ friend class LLWebRTCProtocolParser;
+
+ std::string mAccountName;
+ std::string mAccountPassword;
+ std::string mChannelSDP;
+ std::string mRemoteChannelSDP;
+ std::string mAccountDisplayName;
+
+
+ bool mTuningMode;
+ float mTuningEnergy;
+ std::string mTuningAudioFile;
+ int mTuningMicVolume;
+ bool mTuningMicVolumeDirty;
+ int mTuningSpeakerVolume;
+ bool mTuningSpeakerVolumeDirty;
+ bool mDevicesListUpdated; // set to true when the device list has been updated
+ // and false when the panelvoicedevicesettings has queried for an update status.
+
+ std::string mSpatialSessionURI;
+ std::string mSpatialSessionCredentials;
+
+ std::string mMainSessionGroupHandle; // handle of the "main" session group.
+
+ std::string mChannelName; // Name of the channel to be looked up
+ bool mAreaVoiceDisabled;
+ sessionStatePtr_t mAudioSession; // Session state for the current audio session
+ bool mAudioSessionChanged; // set to true when the above pointer gets changed, so observers can be notified.
+
+ sessionStatePtr_t mNextAudioSession; // Session state for the audio session we're trying to join
+
+ S32 mCurrentParcelLocalID; // Used to detect parcel boundary crossings
+ std::string mCurrentRegionName; // Used to detect parcel boundary crossings
+
+ bool mConnectorEstablished; // set by "Create Connector" response
+ bool mAccountLoggedIn; // set by login message
+ int mNumberOfAliases;
+ U32 mCommandCookie;
+
+ int mLoginRetryCount;
+
+ sessionMap mSessionsByHandle; // Active sessions, indexed by session handle. Sessions which are being initiated may not be in this map.
+#if 0
+ sessionSet mSessions; // All sessions, not indexed. This is the canonical session list.
+#endif
+
+ bool mBuddyListMapPopulated;
+ bool mBlockRulesListReceived;
+ bool mAutoAcceptRulesListReceived;
+ buddyListMap mBuddyListMap;
+
+ llwebrtc::LLWebRTCDeviceInterface *mWebRTCDeviceInterface;
+ llwebrtc::LLWebRTCSignalInterface *mWebRTCSignalingInterface;
+ llwebrtc::LLWebRTCAudioInterface *mWebRTCAudioInterface;
+
+ LLVoiceDeviceList mCaptureDevices;
+ LLVoiceDeviceList mRenderDevices;
+ std::vector<llwebrtc::LLWebRTCIceCandidate> mIceCandidates;
+ bool mIceCompleted;
+
+ bool mIsInitialized;
+ bool mShutdownComplete;
+
+ bool checkParcelChanged(bool update = false);
+ bool switchChannel(std::string uri = std::string(), bool spatial = true, bool no_reconnect = false, bool is_p2p = false, std::string hash = "");
+ void joinSession(const sessionStatePtr_t &session);
+
+ std::string nameFromAvatar(LLVOAvatar *avatar);
+ std::string nameFromID(const LLUUID &id);
+ bool IDFromName(const std::string name, LLUUID &uuid);
+ std::string displayNameFromAvatar(LLVOAvatar *avatar);
+
+
+ bool inSpatialChannel(void);
+ std::string getAudioSessionURI();
+ std::string getAudioSessionHandle();
+
+ void setHidden(bool hidden); //virtual
+ void sendPositionAndVolumeUpdate(void);
+
+ void sendFriendsListUpdates();
+
+#if 0
+ // start a text IM session with the specified user
+ // This will be asynchronous, the session may be established at a future time.
+ sessionStatePtr_t startUserIMSession(const LLUUID& uuid);
+#endif
+
+ void enforceTether(void);
+
+ bool mSpatialCoordsDirty;
+
+ LLVector3d mCameraPosition;
+ LLVector3d mCameraRequestedPosition;
+ LLVector3 mCameraVelocity;
+ LLMatrix3 mCameraRot;
+
+ LLVector3d mAvatarPosition;
+ LLVector3 mAvatarVelocity;
+ LLQuaternion mAvatarRot;
+
+ bool mMuteMic;
+ bool mMuteMicDirty;
+ bool mHidden; //Set to true during teleport to hide the agent's position.
+
+ // Set to true when the friends list is known to have changed.
+ bool mFriendsListDirty;
+
+ enum
+ {
+ earLocCamera = 0, // ear at camera
+ earLocAvatar, // ear at avatar
+ earLocMixed // ear at avatar location/camera direction
+ };
+
+ S32 mEarLocation;
+
+ bool mSpeakerVolumeDirty;
+ bool mSpeakerMuteDirty;
+ int mSpeakerVolume;
+
+ int mMicVolume;
+ bool mMicVolumeDirty;
+
+ bool mVoiceEnabled;
+ bool mWriteInProgress;
+ std::string mWriteString;
+ size_t mWriteOffset;
+
+ BOOL mLipSyncEnabled;
+
+ typedef std::set<LLVoiceClientParticipantObserver*> observer_set_t;
+ observer_set_t mParticipantObservers;
+
+ void notifyParticipantObservers();
+
+ typedef std::set<LLVoiceClientStatusObserver*> status_observer_set_t;
+ status_observer_set_t mStatusObservers;
+
+ void notifyStatusObservers(LLVoiceClientStatusObserver::EStatusType status);
+
+ typedef std::set<LLFriendObserver*> friend_observer_set_t;
+ friend_observer_set_t mFriendObservers;
+ void notifyFriendObservers();
+
+ // Voice Fonts
+
+ void expireVoiceFonts();
+ void deleteVoiceFont(const LLUUID& id);
+ void deleteAllVoiceFonts();
+ void deleteVoiceFontTemplates();
+
+ S32 getVoiceFontIndex(const LLUUID& id) const;
+ S32 getVoiceFontTemplateIndex(const LLUUID& id) const;
+
+ void accountGetSessionFontsSendMessage();
+ void accountGetTemplateFontsSendMessage();
+ void sessionSetVoiceFontSendMessage(const sessionStatePtr_t &session);
+
+ void updateVoiceMorphingMenu();
+ void notifyVoiceFontObservers();
+
+ typedef enum e_voice_font_type
+ {
+ VOICE_FONT_TYPE_NONE = 0,
+ VOICE_FONT_TYPE_ROOT = 1,
+ VOICE_FONT_TYPE_USER = 2,
+ VOICE_FONT_TYPE_UNKNOWN
+ } EVoiceFontType;
+
+ typedef enum e_voice_font_status
+ {
+ VOICE_FONT_STATUS_NONE = 0,
+ VOICE_FONT_STATUS_FREE = 1,
+ VOICE_FONT_STATUS_NOT_FREE = 2,
+ VOICE_FONT_STATUS_UNKNOWN
+ } EVoiceFontStatus;
+
+ struct voiceFontEntry
+ {
+ voiceFontEntry(LLUUID& id);
+ ~voiceFontEntry();
+
+ LLUUID mID;
+ S32 mFontIndex;
+ std::string mName;
+ LLDate mExpirationDate;
+ S32 mFontType;
+ S32 mFontStatus;
+ bool mIsNew;
+
+ LLFrameTimer mExpiryTimer;
+ LLFrameTimer mExpiryWarningTimer;
+ };
+
+ bool mVoiceFontsReceived;
+ bool mVoiceFontsNew;
+ bool mVoiceFontListDirty;
+ voice_effect_list_t mVoiceFontList;
+ voice_effect_list_t mVoiceFontTemplateList;
+
+ typedef std::map<const LLUUID, voiceFontEntry*> voice_font_map_t;
+ voice_font_map_t mVoiceFontMap;
+ voice_font_map_t mVoiceFontTemplateMap;
+
+ typedef std::set<LLVoiceEffectObserver*> voice_font_observer_set_t;
+ voice_font_observer_set_t mVoiceFontObservers;
+
+ LLFrameTimer mVoiceFontExpiryTimer;
+
+
+ // Audio capture buffer
+
+ void captureBufferRecordStartSendMessage();
+ void captureBufferRecordStopSendMessage();
+ void captureBufferPlayStartSendMessage(const LLUUID& voice_font_id = LLUUID::null);
+ void captureBufferPlayStopSendMessage();
+
+ bool mCaptureBufferMode; // Disconnected from voice channels while using the capture buffer.
+ bool mCaptureBufferRecording; // A voice sample is being captured.
+ bool mCaptureBufferRecorded; // A voice sample is captured in the buffer ready to play.
+ bool mCaptureBufferPlaying; // A voice sample is being played.
+
+ LLTimer mCaptureTimer;
+ LLUUID mPreviewVoiceFont;
+ LLUUID mPreviewVoiceFontLast;
+ S32 mPlayRequestCount;
+ bool mIsInTuningMode;
+ bool mIsInChannel;
+ bool mIsJoiningSession;
+ bool mIsWaitingForFonts;
+ bool mIsLoggingIn;
+ bool mIsLoggedIn;
+ bool mIsProcessingChannels;
+ bool mIsCoroutineActive;
+
+ // This variables can last longer than WebRTC in coroutines so we need them as static
+ static bool sShuttingDown;
+ static bool sConnected;
+ static LLPumpIO* sPump;
+
+ LLEventMailDrop mWebRTCPump;
+};
+
+
+/**
+ * @class LLWebRTCProtocolParser
+ * @brief This class helps construct new LLIOPipe specializations
+ * @see LLIOPipe
+ *
+ * THOROUGH_DESCRIPTION
+ */
+class LLWebRTCProtocolParser : public LLIOPipe
+{
+ LOG_CLASS(LLWebRTCProtocolParser);
+public:
+ LLWebRTCProtocolParser();
+ virtual ~LLWebRTCProtocolParser();
+
+protected:
+ /* @name LLIOPipe virtual implementations
+ */
+ //@{
+ /**
+ * @brief Process the data in buffer
+ */
+ virtual EStatus process_impl(
+ const LLChannelDescriptors& channels,
+ buffer_ptr_t& buffer,
+ bool& eos,
+ LLSD& context,
+ LLPumpIO* pump);
+ //@}
+
+ std::string mInput;
+
+ // Expat control members
+ XML_Parser parser;
+ int responseDepth;
+ bool ignoringTags;
+ bool isEvent;
+ int ignoreDepth;
+
+ // Members for processing responses. The values are transient and only valid within a call to processResponse().
+ int returnCode;
+ int statusCode;
+ std::string statusString;
+ std::string requestId;
+ std::string actionString;
+ std::string connectorHandle;
+ std::string versionID;
+ std::string mBuildID;
+ std::string accountHandle;
+ std::string sessionHandle;
+ std::string sessionGroupHandle;
+ std::string alias;
+ std::string applicationString;
+
+ // Members for processing events. The values are transient and only valid within a call to processResponse().
+ std::string eventTypeString;
+ int state;
+ std::string uriString;
+ bool isChannel;
+ bool incoming;
+ bool enabled;
+ std::string nameString;
+ std::string audioMediaString;
+ std::string deviceString;
+ std::string displayNameString;
+ int participantType;
+ bool isLocallyMuted;
+ bool isModeratorMuted;
+ bool isSpeaking;
+ int volume;
+ F32 energy;
+ std::string messageHeader;
+ std::string messageBody;
+ std::string notificationType;
+ bool hasText;
+ bool hasAudio;
+ bool hasVideo;
+ bool terminated;
+ std::string blockMask;
+ std::string presenceOnly;
+ std::string autoAcceptMask;
+ std::string autoAddAsBuddy;
+ int numberOfAliases;
+ std::string subscriptionHandle;
+ std::string subscriptionType;
+ S32 id;
+ std::string descriptionString;
+ LLDate expirationDate;
+ bool hasExpired;
+ S32 fontType;
+ S32 fontStatus;
+ std::string mediaCompletionType;
+
+ // Members for processing text between tags
+ std::string textBuffer;
+ bool accumulateText;
+
+ void reset();
+
+ void processResponse(std::string tag);
+
+ static void XMLCALL ExpatStartTag(void *data, const char *el, const char **attr);
+ static void XMLCALL ExpatEndTag(void *data, const char *el);
+ static void XMLCALL ExpatCharHandler(void *data, const XML_Char *s, int len);
+
+ void StartTag(const char *tag, const char **attr);
+ void EndTag(const char *tag);
+ void CharData(const char *buffer, int length);
+ LLDate expiryTimeStampToLLDate(const std::string& WebRTC_ts);
+
+};
+
+class LLWebRTCSecurity : public LLSingleton<LLWebRTCSecurity>
+{
+ LLSINGLETON(LLWebRTCSecurity);
+ virtual ~LLWebRTCSecurity();
+
+ public:
+ std::string connectorHandle() { return mConnectorHandle; };
+ std::string accountHandle() { return mAccountHandle; };
+
+ private:
+ std::string mConnectorHandle;
+ std::string mAccountHandle;
+};
+
+class LLVoiceWebRTCStats : public LLSingleton<LLVoiceWebRTCStats>
+{
+ LLSINGLETON(LLVoiceWebRTCStats);
+ LOG_CLASS(LLVoiceWebRTCStats);
+ virtual ~LLVoiceWebRTCStats();
+
+ private:
+ F64SecondsImplicit mStartTime;
+
+ U32 mConnectCycles;
+
+ F64 mConnectTime;
+ U32 mConnectAttempts;
+
+ F64 mProvisionTime;
+ U32 mProvisionAttempts;
+
+ F64 mEstablishTime;
+ U32 mEstablishAttempts;
+
+ public:
+
+ void reset();
+ void connectionAttemptStart();
+ void connectionAttemptEnd(bool success);
+ void provisionAttemptStart();
+ void provisionAttemptEnd(bool success);
+ void establishAttemptStart();
+ void establishAttemptEnd(bool success);
+ LLSD read();
+};
+
+#endif //LL_WebRTC_VOICE_CLIENT_H
+
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