GODT-2312: used space is properly updated.

2023-01-30 15:18:44 +01:00
parent ce03bfbf0f
commit c8065c8092
20 changed files with 1484 additions and 563 deletions
--- a/go.mod
+++ b/go.mod
@ -7,7 +7,7 @@ require (
 	github.com/Masterminds/semver/v3 v3.1.1
 	github.com/ProtonMail/gluon v0.14.2-0.20230130104154-2c64e59b8f54
 	github.com/ProtonMail/go-autostart v0.0.0-20210130080809-00ed301c8e9a
-	github.com/ProtonMail/go-proton-api v0.3.1-0.20230130093944-dd1190680368
+	github.com/ProtonMail/go-proton-api v0.3.1-0.20230130144605-4b05f1e5c427
 	github.com/ProtonMail/go-rfc5322 v0.11.0
 	github.com/ProtonMail/gopenpgp/v2 v2.4.10
 	github.com/PuerkitoBio/goquery v1.8.0
--- a/go.sum
+++ b/go.sum
@ -41,8 +41,8 @@ github.com/ProtonMail/go-message v0.0.0-20210611055058-fabeff2ec753/go.mod h1:NB
 github.com/ProtonMail/go-mime v0.0.0-20220302105931-303f85f7fe0f/go.mod h1:NYt+V3/4rEeDuaev/zw1zCq8uqVEuPHzDPo3OZrlGJ4=
 github.com/ProtonMail/go-mime v0.0.0-20220429130430-2192574d760f h1:4IWzKjHzZxdrW9k4zl/qCwenOVHDbVDADPPHFLjs0Oc=
 github.com/ProtonMail/go-mime v0.0.0-20220429130430-2192574d760f/go.mod h1:qRZgbeASl2a9OwmsV85aWwRqic0NHPh+9ewGAzb4cgM=
-github.com/ProtonMail/go-proton-api v0.3.1-0.20230130093944-dd1190680368 h1:XWPaCK8ctgpvI+ZAYcsFiYWbuvkv3T4+WZq0o6Gnt2s=
-github.com/ProtonMail/go-proton-api v0.3.1-0.20230130093944-dd1190680368/go.mod h1:JUo5IQG0hNuPRuDpOUsCOvtee6UjTEHHF1QN2i8RSos=
+github.com/ProtonMail/go-proton-api v0.3.1-0.20230130144605-4b05f1e5c427 h1:M/sTrpruuxBtkeVFPoMd9WM2Kg36XlCTvYuv4q0urkg=
+github.com/ProtonMail/go-proton-api v0.3.1-0.20230130144605-4b05f1e5c427/go.mod h1:JUo5IQG0hNuPRuDpOUsCOvtee6UjTEHHF1QN2i8RSos=
 github.com/ProtonMail/go-rfc5322 v0.11.0 h1:o5Obrm4DpmQEffvgsVqG6S4BKwC1Wat+hYwjIp2YcCY=
 github.com/ProtonMail/go-rfc5322 v0.11.0/go.mod h1:6oOKr0jXvpoE6pwTx/HukigQpX2J9WUf6h0auplrFTw=
 github.com/ProtonMail/go-srp v0.0.5 h1:xhUioxZgDbCnpo9JehyFhwwsn9JLWkUGfB0oiKXgiGg=
--- a/internal/events/user.go
+++ b/internal/events/user.go
@ -156,3 +156,16 @@ type AddressModeChanged struct {
 func (event AddressModeChanged) String() string {
 	return fmt.Sprintf("AddressModeChanged: UserID: %s, AddressMode: %s", event.UserID, event.AddressMode)
 }
+
+// UsedSpaceChanged is emitted when the storage space used by the user has changed.
+type UsedSpaceChanged struct {
+	eventBase
+
+	UserID string
+
+	UsedSpace int
+}
+
+func (event UsedSpaceChanged) String() string {
+	return fmt.Sprintf("UsedSpaceChanged: UserID: %s, UsedSpace: %v", event.UserID, event.UsedSpace)
+}
--- a/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.cpp
+++ b/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.cpp
@ -52,6 +52,7 @@ UsersTab::UsersTab(QWidget *parent)
    connect(ui_.tableUserList, &QTableView::doubleClicked, this, &UsersTab::onEditUserButton);
    connect(ui_.buttonRemoveUser, &QPushButton::clicked, this, &UsersTab::onRemoveUserButton);
    connect(ui_.buttonUserBadEvent, &QPushButton::clicked, this, &UsersTab::onSendUserBadEvent);
+    connect(ui_.buttonUsedBytesChanged, &QPushButton::clicked, this, &UsersTab::onSendUsedBytesChangedEvent);
    connect(ui_.checkUsernamePasswordError, &QCheckBox::toggled, this, &UsersTab::updateGUIState);

    users_.append(randomUser());
@ -158,16 +159,50 @@ void UsersTab::onSendUserBadEvent() {
 }


+//****************************************************************************************************************************************************
+//
+//****************************************************************************************************************************************************
+void UsersTab::onSendUsedBytesChangedEvent() {
+    SPUser const user = selectedUser();
+    int const index = this->selectedIndex();
+
+    if (!user) {
+        app().log().error(QString("%1 failed. Unkown user.").arg(__FUNCTION__));
+        return;
+    }
+
+    if (UserState::Connected != user->state()) {
+        app().log().error(QString("%1 failed. User is not connected").arg(__FUNCTION__));
+    }
+
+    qint64 const usedBytes = qint64(ui_.spinUsedBytes->value());
+    user->setUsedBytes(usedBytes);
+    users_.touch(index);
+
+    GRPCService &grpc = app().grpc();
+    if (grpc.isStreaming()) {
+        QString const userID = user->id();
+        grpc.sendEvent(newUsedBytesChangedEvent(userID, usedBytes));
+    }
+
+    this->updateGUIState();
+}
+
+
 //****************************************************************************************************************************************************
 //
 //****************************************************************************************************************************************************
 void UsersTab::updateGUIState() {
    SPUser const user = selectedUser();
    bool const hasSelectedUser = user.get();
+    UserState const state = user ? user->state() : UserState::SignedOut;
+
    ui_.buttonEditUser->setEnabled(hasSelectedUser);
    ui_.buttonRemoveUser->setEnabled(hasSelectedUser);
-    ui_.groupBoxBadEvent->setEnabled(hasSelectedUser && (UserState::SignedOut != user->state()));
+    ui_.groupBoxBadEvent->setEnabled(hasSelectedUser && (UserState::SignedOut != state));
+    ui_.groupBoxUsedSpace->setEnabled(hasSelectedUser && (UserState::Connected == state));
    ui_.editUsernamePasswordError->setEnabled(ui_.checkUsernamePasswordError->isChecked());
+    ui_.spinUsedBytes->setValue(user ? user->usedBytes() : 0.0);
 }


--- a/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.h
+++ b/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.h
@ -61,6 +61,7 @@ private slots:
    void onRemoveUserButton(); ///< Remove the currently selected user.
    void onSelectionChanged(QItemSelection, QItemSelection); ///< Slot for the change of the selection.
    void onSendUserBadEvent(); ///< Slot for the 'Send Bad Event Error' button.
+    void onSendUsedBytesChangedEvent(); ///< Slot for the 'Send Used Bytes Changed Event' button.
    void updateGUIState(); ///< Update the GUI state.

 private: // member functions.
--- a/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.ui
+++ b/internal/frontend/bridge-gui/bridge-gui-tester/Tabs/UsersTab.ui
@ -66,6 +66,52 @@
       </property>
      </spacer>
     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBoxUsedSpace">
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="title">
+        <string>Used Bytes Changed</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_4">
+        <item>
+         <layout class="QHBoxLayout" name="hBoxUsedBytes" stretch="0,1">
+          <item>
+           <widget class="QLabel" name="labelUsedBytes">
+            <property name="text">
+             <string>Used Bytes</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QDoubleSpinBox" name="spinUsedBytes">
+            <property name="buttonSymbols">
+             <enum>QAbstractSpinBox::NoButtons</enum>
+            </property>
+            <property name="decimals">
+             <number>0</number>
+            </property>
+            <property name="maximum">
+             <double>1000000000000000.000000000000000</double>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item>
+         <widget class="QPushButton" name="buttonUsedBytesChanged">
+          <property name="text">
+           <string>Send Used Bytes Changed</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
     <item>
      <widget class="QGroupBox" name="groupBoxBadEvent">
       <property name="minimumSize">
--- a/internal/frontend/bridge-gui/bridge-gui/UserList.cpp
+++ b/internal/frontend/bridge-gui/bridge-gui/UserList.cpp
@ -38,6 +38,7 @@ void UserList::connectGRPCEvents() const {
    GRPCClient &client = app().grpc();
    connect(&client, &GRPCClient::userChanged, this, &UserList::onUserChanged);
    connect(&client, &GRPCClient::toggleSplitModeFinished, this, &UserList::onToggleSplitModeFinished);
+    connect(&client, &GRPCClient::usedBytesChanged, this, &UserList::onUsedBytesChanged);
 }


@ -223,3 +224,17 @@ void UserList::onToggleSplitModeFinished(QString const &userID) {
 int UserList::count() const {
    return users_.size();
 }
+
+
+//****************************************************************************************************************************************************
+/// \param[in] userID The userID.
+/// \param[in] usedBytes The used space, in bytes.
+//****************************************************************************************************************************************************
+void UserList::onUsedBytesChanged(QString const &userID, qint64 usedBytes) {
+    int const index = this->rowOfUserID(userID);
+    if (index < 0) {
+        app().log().error(QString("Received usedBytesChanged event for unknown userID %1").arg(userID));
+        return;
+    }
+    users_[index]->setUsedBytes(usedBytes);
+}
--- a/internal/frontend/bridge-gui/bridge-gui/UserList.h
+++ b/internal/frontend/bridge-gui/bridge-gui/UserList.h
@ -59,6 +59,7 @@ public:
 public slots: ///< handler for signals coming from the gRPC service
    void onUserChanged(QString const &userID);
    void onToggleSplitModeFinished(QString const &userID);
+    void onUsedBytesChanged(QString const &userID, qint64 usedBytes); ///< Slot for usedBytesChanged events.

 private: // data members
    QList<bridgepp::SPUser> users_; ///< The user list.
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.cpp
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.cpp
@ -574,6 +574,20 @@ SPStreamEvent newUserBadEvent(QString const &userID, QString const &errorMessage
 }


+//****************************************************************************************************************************************************
+/// \param[in] userID The userID.
+/// \param[in] usedBytes The number of used bytes.
+//****************************************************************************************************************************************************
+SPStreamEvent newUsedBytesChangedEvent(QString const &userID, qint64 usedBytes) {
+    auto event = new grpc::UsedBytesChangedEvent;
+    event->set_userid(userID.toStdString());
+    event->set_usedbytes(usedBytes);
+    auto userEvent = new grpc::UserEvent;
+    userEvent->set_allocated_usedbyteschangedevent(event);
+    return wrapUserEvent(userEvent);
+}
+
+
 //****************************************************************************************************************************************************
 /// \param[in] errorCode The error errorCode.
 /// \return The event.
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.h
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/EventFactory.h
@ -78,6 +78,7 @@ SPStreamEvent newToggleSplitModeFinishedEvent(QString const &userID); ///< Creat
 SPStreamEvent newUserDisconnectedEvent(QString const &username); ///< Create a new UserDisconnectedEvent event.
 SPStreamEvent newUserChangedEvent(QString const &userID); ///< Create a new UserChangedEvent event.
 SPStreamEvent newUserBadEvent(QString const &userID, QString const& errorMessage); ///< Create a new UserBadEvent event.
+SPStreamEvent newUsedBytesChangedEvent(QString const &userID, qint64 usedBytes);  ///< Create a new UsedBytesChangedEvent event.

 // Generic error event
 SPStreamEvent newGenericErrorEvent(grpc::ErrorCode errorCode); ///< Create a new GenericErrrorEvent event.
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.cpp
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.cpp
@ -1374,6 +1374,14 @@ void GRPCClient::processUserEvent(UserEvent const &event) {
        emit userBadEvent(userID, errorMessage);
        break;
    }
+    case UserEvent::kUsedBytesChangedEvent: {
+        UsedBytesChangedEvent const& e = event.usedbyteschangedevent();
+        QString const userID = QString::fromStdString(e.userid());
+        qint64 const usedBytes = e.usedbytes();
+        this->logTrace(QString("User event received: UsedBytesChangedEvent (userID = %1, usedBytes = %2).").arg(userID).arg(usedBytes));
+        emit usedBytesChanged(userID, usedBytes);
+        break;
+    }
    default:
        this->logError("Unknown User event received.");
    }
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.h
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/GRPCClient.h
@ -179,6 +179,7 @@ signals:
    void userDisconnected(QString const &username);
    void userChanged(QString const &userID);
    void userBadEvent(QString const &userID, QString const& errorMessage);
+    void usedBytesChanged(QString const &userID, qint64 usedBytes);

 public: // keychain related calls
    grpc::Status availableKeychains(QStringList &outKeychains);
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/bridge.pb.cc
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/bridge.pb.cc
@ -759,6 +759,20 @@ struct UserBadEventDefaultTypeInternal {
  };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 UserBadEventDefaultTypeInternal _UserBadEvent_default_instance_;
+PROTOBUF_CONSTEXPR UsedBytesChangedEvent::UsedBytesChangedEvent(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.userid_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
+  , /*decltype(_impl_.usedbytes_)*/int64_t{0}
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct UsedBytesChangedEventDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR UsedBytesChangedEventDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~UsedBytesChangedEventDefaultTypeInternal() {}
+  union {
+    UsedBytesChangedEvent _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 UsedBytesChangedEventDefaultTypeInternal _UsedBytesChangedEvent_default_instance_;
 PROTOBUF_CONSTEXPR GenericErrorEvent::GenericErrorEvent(
    ::_pbi::ConstantInitialized): _impl_{
    /*decltype(_impl_.code_)*/0
@ -773,7 +787,7 @@ struct GenericErrorEventDefaultTypeInternal {
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 GenericErrorEventDefaultTypeInternal _GenericErrorEvent_default_instance_;
 }  // namespace grpc
-static ::_pb::Metadata file_level_metadata_bridge_2eproto[58];
+static ::_pb::Metadata file_level_metadata_bridge_2eproto[59];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_bridge_2eproto[7];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_bridge_2eproto = nullptr;

@ -1199,6 +1213,7 @@ const uint32_t TableStruct_bridge_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(p
  ::_pbi::kInvalidFieldOffsetTag,
  ::_pbi::kInvalidFieldOffsetTag,
  ::_pbi::kInvalidFieldOffsetTag,
+  ::_pbi::kInvalidFieldOffsetTag,
  PROTOBUF_FIELD_OFFSET(::grpc::UserEvent, _impl_.event_),
  ~0u,  // no _has_bits_
  PROTOBUF_FIELD_OFFSET(::grpc::ToggleSplitModeFinishedEvent, _internal_metadata_),
@ -1230,6 +1245,14 @@ const uint32_t TableStruct_bridge_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(p
  PROTOBUF_FIELD_OFFSET(::grpc::UserBadEvent, _impl_.userid_),
  PROTOBUF_FIELD_OFFSET(::grpc::UserBadEvent, _impl_.errormessage_),
  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::grpc::UsedBytesChangedEvent, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::grpc::UsedBytesChangedEvent, _impl_.userid_),
+  PROTOBUF_FIELD_OFFSET(::grpc::UsedBytesChangedEvent, _impl_.usedbytes_),
+  ~0u,  // no _has_bits_
  PROTOBUF_FIELD_OFFSET(::grpc::GenericErrorEvent, _internal_metadata_),
  ~0u,  // no _extensions_
  ~0u,  // no _oneof_case_
@ -1291,11 +1314,12 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
  { 398, -1, -1, sizeof(::grpc::AddressChangedLogoutEvent)},
  { 405, -1, -1, sizeof(::grpc::ApiCertIssueEvent)},
  { 411, -1, -1, sizeof(::grpc::UserEvent)},
-  { 422, -1, -1, sizeof(::grpc::ToggleSplitModeFinishedEvent)},
-  { 429, -1, -1, sizeof(::grpc::UserDisconnectedEvent)},
-  { 436, -1, -1, sizeof(::grpc::UserChangedEvent)},
-  { 443, -1, -1, sizeof(::grpc::UserBadEvent)},
-  { 451, -1, -1, sizeof(::grpc::GenericErrorEvent)},
+  { 423, -1, -1, sizeof(::grpc::ToggleSplitModeFinishedEvent)},
+  { 430, -1, -1, sizeof(::grpc::UserDisconnectedEvent)},
+  { 437, -1, -1, sizeof(::grpc::UserChangedEvent)},
+  { 444, -1, -1, sizeof(::grpc::UserBadEvent)},
+  { 452, -1, -1, sizeof(::grpc::UsedBytesChangedEvent)},
+  { 460, -1, -1, sizeof(::grpc::GenericErrorEvent)},
 };

 static const ::_pb::Message* const file_default_instances[] = {
@ -1356,6 +1380,7 @@ static const ::_pb::Message* const file_default_instances[] = {
  &::grpc::_UserDisconnectedEvent_default_instance_._instance,
  &::grpc::_UserChangedEvent_default_instance_._instance,
  &::grpc::_UserBadEvent_default_instance_._instance,
+  &::grpc::_UsedBytesChangedEvent_default_instance_._instance,
  &::grpc::_GenericErrorEvent_default_instance_._instance,
 };

@ -1477,135 +1502,138 @@ const char descriptor_table_protodef_bridge_2eproto[] PROTOBUF_SECTION_VARIABLE(
  "KeyForRecipientEvent\022\r\n\005email\030\001 \001(\t\"&\n\023A"
  "ddressChangedEvent\022\017\n\007address\030\001 \001(\t\",\n\031A"
  "ddressChangedLogoutEvent\022\017\n\007address\030\001 \001("
-  "\t\"\023\n\021ApiCertIssueEvent\"\357\001\n\tUserEvent\022E\n\027"
+  "\t\"\023\n\021ApiCertIssueEvent\"\255\002\n\tUserEvent\022E\n\027"
  "toggleSplitModeFinished\030\001 \001(\0132\".grpc.Tog"
  "gleSplitModeFinishedEventH\000\0227\n\020userDisco"
  "nnected\030\002 \001(\0132\033.grpc.UserDisconnectedEve"
  "ntH\000\022-\n\013userChanged\030\003 \001(\0132\026.grpc.UserCha"
  "ngedEventH\000\022*\n\014userBadEvent\030\004 \001(\0132\022.grpc"
-  ".UserBadEventH\000B\007\n\005event\".\n\034ToggleSplitM"
-  "odeFinishedEvent\022\016\n\006userID\030\001 \001(\t\")\n\025User"
-  "DisconnectedEvent\022\020\n\010username\030\001 \001(\t\"\"\n\020U"
-  "serChangedEvent\022\016\n\006userID\030\001 \001(\t\"4\n\014UserB"
-  "adEvent\022\016\n\006userID\030\001 \001(\t\022\024\n\014errorMessage\030"
-  "\002 \001(\t\"2\n\021GenericErrorEvent\022\035\n\004code\030\001 \001(\016"
-  "2\017.grpc.ErrorCode*q\n\010LogLevel\022\r\n\tLOG_PAN"
-  "IC\020\000\022\r\n\tLOG_FATAL\020\001\022\r\n\tLOG_ERROR\020\002\022\014\n\010LO"
-  "G_WARN\020\003\022\014\n\010LOG_INFO\020\004\022\r\n\tLOG_DEBUG\020\005\022\r\n"
-  "\tLOG_TRACE\020\006*6\n\tUserState\022\016\n\nSIGNED_OUT\020"
-  "\000\022\n\n\006LOCKED\020\001\022\r\n\tCONNECTED\020\002*\242\001\n\016LoginEr"
-  "rorType\022\033\n\027USERNAME_PASSWORD_ERROR\020\000\022\r\n\t"
-  "FREE_USER\020\001\022\024\n\020CONNECTION_ERROR\020\002\022\r\n\tTFA"
-  "_ERROR\020\003\022\r\n\tTFA_ABORT\020\004\022\027\n\023TWO_PASSWORDS"
-  "_ERROR\020\005\022\027\n\023TWO_PASSWORDS_ABORT\020\006*[\n\017Upd"
-  "ateErrorType\022\027\n\023UPDATE_MANUAL_ERROR\020\000\022\026\n"
-  "\022UPDATE_FORCE_ERROR\020\001\022\027\n\023UPDATE_SILENT_E"
-  "RROR\020\002*k\n\022DiskCacheErrorType\022 \n\034DISK_CAC"
-  "HE_UNAVAILABLE_ERROR\020\000\022\036\n\032CANT_MOVE_DISK"
-  "_CACHE_ERROR\020\001\022\023\n\017DISK_FULL_ERROR\020\002*\335\001\n\033"
-  "MailServerSettingsErrorType\022\033\n\027IMAP_PORT"
-  "_STARTUP_ERROR\020\000\022\033\n\027SMTP_PORT_STARTUP_ER"
-  "ROR\020\001\022\032\n\026IMAP_PORT_CHANGE_ERROR\020\002\022\032\n\026SMT"
-  "P_PORT_CHANGE_ERROR\020\003\022%\n!IMAP_CONNECTION"
-  "_MODE_CHANGE_ERROR\020\004\022%\n!SMTP_CONNECTION_"
-  "MODE_CHANGE_ERROR\020\005*S\n\tErrorCode\022\021\n\rUNKN"
-  "OWN_ERROR\020\000\022\031\n\025TLS_CERT_EXPORT_ERROR\020\001\022\030"
-  "\n\024TLS_KEY_EXPORT_ERROR\020\0022\231\035\n\006Bridge\022I\n\013C"
-  "heckTokens\022\034.google.protobuf.StringValue"
-  "\032\034.google.protobuf.StringValue\022\?\n\013AddLog"
-  "Entry\022\030.grpc.AddLogEntryRequest\032\026.google"
-  ".protobuf.Empty\022:\n\010GuiReady\022\026.google.pro"
-  "tobuf.Empty\032\026.grpc.GuiReadyResponse\0226\n\004Q"
-  "uit\022\026.google.protobuf.Empty\032\026.google.pro"
-  "tobuf.Empty\0229\n\007Restart\022\026.google.protobuf"
-  ".Empty\032\026.google.protobuf.Empty\022C\n\rShowOn"
-  "Startup\022\026.google.protobuf.Empty\032\032.google"
-  ".protobuf.BoolValue\022F\n\020SetIsAutostartOn\022"
-  "\032.google.protobuf.BoolValue\032\026.google.pro"
-  "tobuf.Empty\022C\n\rIsAutostartOn\022\026.google.pr"
-  "otobuf.Empty\032\032.google.protobuf.BoolValue"
-  "\022F\n\020SetIsBetaEnabled\022\032.google.protobuf.B"
-  "oolValue\032\026.google.protobuf.Empty\022C\n\rIsBe"
-  "taEnabled\022\026.google.protobuf.Empty\032\032.goog"
-  "le.protobuf.BoolValue\022I\n\023SetIsAllMailVis"
-  "ible\022\032.google.protobuf.BoolValue\032\026.googl"
-  "e.protobuf.Empty\022F\n\020IsAllMailVisible\022\026.g"
-  "oogle.protobuf.Empty\032\032.google.protobuf.B"
-  "oolValue\022<\n\004GoOs\022\026.google.protobuf.Empty"
-  "\032\034.google.protobuf.StringValue\022>\n\014Trigge"
-  "rReset\022\026.google.protobuf.Empty\032\026.google."
-  "protobuf.Empty\022\?\n\007Version\022\026.google.proto"
-  "buf.Empty\032\034.google.protobuf.StringValue\022"
-  "@\n\010LogsPath\022\026.google.protobuf.Empty\032\034.go"
-  "ogle.protobuf.StringValue\022C\n\013LicensePath"
+  ".UserBadEventH\000\022<\n\025usedBytesChangedEvent"
+  "\030\005 \001(\0132\033.grpc.UsedBytesChangedEventH\000B\007\n"
+  "\005event\".\n\034ToggleSplitModeFinishedEvent\022\016"
+  "\n\006userID\030\001 \001(\t\")\n\025UserDisconnectedEvent\022"
+  "\020\n\010username\030\001 \001(\t\"\"\n\020UserChangedEvent\022\016\n"
+  "\006userID\030\001 \001(\t\"4\n\014UserBadEvent\022\016\n\006userID\030"
+  "\001 \001(\t\022\024\n\014errorMessage\030\002 \001(\t\":\n\025UsedBytes"
+  "ChangedEvent\022\016\n\006userID\030\001 \001(\t\022\021\n\tusedByte"
+  "s\030\002 \001(\003\"2\n\021GenericErrorEvent\022\035\n\004code\030\001 \001"
+  "(\0162\017.grpc.ErrorCode*q\n\010LogLevel\022\r\n\tLOG_P"
+  "ANIC\020\000\022\r\n\tLOG_FATAL\020\001\022\r\n\tLOG_ERROR\020\002\022\014\n\010"
+  "LOG_WARN\020\003\022\014\n\010LOG_INFO\020\004\022\r\n\tLOG_DEBUG\020\005\022"
+  "\r\n\tLOG_TRACE\020\006*6\n\tUserState\022\016\n\nSIGNED_OU"
+  "T\020\000\022\n\n\006LOCKED\020\001\022\r\n\tCONNECTED\020\002*\242\001\n\016Login"
+  "ErrorType\022\033\n\027USERNAME_PASSWORD_ERROR\020\000\022\r"
+  "\n\tFREE_USER\020\001\022\024\n\020CONNECTION_ERROR\020\002\022\r\n\tT"
+  "FA_ERROR\020\003\022\r\n\tTFA_ABORT\020\004\022\027\n\023TWO_PASSWOR"
+  "DS_ERROR\020\005\022\027\n\023TWO_PASSWORDS_ABORT\020\006*[\n\017U"
+  "pdateErrorType\022\027\n\023UPDATE_MANUAL_ERROR\020\000\022"
+  "\026\n\022UPDATE_FORCE_ERROR\020\001\022\027\n\023UPDATE_SILENT"
+  "_ERROR\020\002*k\n\022DiskCacheErrorType\022 \n\034DISK_C"
+  "ACHE_UNAVAILABLE_ERROR\020\000\022\036\n\032CANT_MOVE_DI"
+  "SK_CACHE_ERROR\020\001\022\023\n\017DISK_FULL_ERROR\020\002*\335\001"
+  "\n\033MailServerSettingsErrorType\022\033\n\027IMAP_PO"
+  "RT_STARTUP_ERROR\020\000\022\033\n\027SMTP_PORT_STARTUP_"
+  "ERROR\020\001\022\032\n\026IMAP_PORT_CHANGE_ERROR\020\002\022\032\n\026S"
+  "MTP_PORT_CHANGE_ERROR\020\003\022%\n!IMAP_CONNECTI"
+  "ON_MODE_CHANGE_ERROR\020\004\022%\n!SMTP_CONNECTIO"
+  "N_MODE_CHANGE_ERROR\020\005*S\n\tErrorCode\022\021\n\rUN"
+  "KNOWN_ERROR\020\000\022\031\n\025TLS_CERT_EXPORT_ERROR\020\001"
+  "\022\030\n\024TLS_KEY_EXPORT_ERROR\020\0022\231\035\n\006Bridge\022I\n"
+  "\013CheckTokens\022\034.google.protobuf.StringVal"
+  "ue\032\034.google.protobuf.StringValue\022\?\n\013AddL"
+  "ogEntry\022\030.grpc.AddLogEntryRequest\032\026.goog"
+  "le.protobuf.Empty\022:\n\010GuiReady\022\026.google.p"
+  "rotobuf.Empty\032\026.grpc.GuiReadyResponse\0226\n"
+  "\004Quit\022\026.google.protobuf.Empty\032\026.google.p"
+  "rotobuf.Empty\0229\n\007Restart\022\026.google.protob"
+  "uf.Empty\032\026.google.protobuf.Empty\022C\n\rShow"
+  "OnStartup\022\026.google.protobuf.Empty\032\032.goog"
+  "le.protobuf.BoolValue\022F\n\020SetIsAutostartO"
+  "n\022\032.google.protobuf.BoolValue\032\026.google.p"
+  "rotobuf.Empty\022C\n\rIsAutostartOn\022\026.google."
+  "protobuf.Empty\032\032.google.protobuf.BoolVal"
+  "ue\022F\n\020SetIsBetaEnabled\022\032.google.protobuf"
+  ".BoolValue\032\026.google.protobuf.Empty\022C\n\rIs"
+  "BetaEnabled\022\026.google.protobuf.Empty\032\032.go"
+  "ogle.protobuf.BoolValue\022I\n\023SetIsAllMailV"
+  "isible\022\032.google.protobuf.BoolValue\032\026.goo"
+  "gle.protobuf.Empty\022F\n\020IsAllMailVisible\022\026"
+  ".google.protobuf.Empty\032\032.google.protobuf"
+  ".BoolValue\022<\n\004GoOs\022\026.google.protobuf.Emp"
+  "ty\032\034.google.protobuf.StringValue\022>\n\014Trig"
+  "gerReset\022\026.google.protobuf.Empty\032\026.googl"
+  "e.protobuf.Empty\022\?\n\007Version\022\026.google.pro"
+  "tobuf.Empty\032\034.google.protobuf.StringValu"
+  "e\022@\n\010LogsPath\022\026.google.protobuf.Empty\032\034."
+  "google.protobuf.StringValue\022C\n\013LicensePa"
+  "th\022\026.google.protobuf.Empty\032\034.google.prot"
+  "obuf.StringValue\022L\n\024ReleaseNotesPageLink"
  "\022\026.google.protobuf.Empty\032\034.google.protob"
-  "uf.StringValue\022L\n\024ReleaseNotesPageLink\022\026"
-  ".google.protobuf.Empty\032\034.google.protobuf"
-  ".StringValue\022N\n\026DependencyLicensesLink\022\026"
-  ".google.protobuf.Empty\032\034.google.protobuf"
-  ".StringValue\022G\n\017LandingPageLink\022\026.google"
-  ".protobuf.Empty\032\034.google.protobuf.String"
-  "Value\022J\n\022SetColorSchemeName\022\034.google.pro"
-  "tobuf.StringValue\032\026.google.protobuf.Empt"
-  "y\022G\n\017ColorSchemeName\022\026.google.protobuf.E"
-  "mpty\032\034.google.protobuf.StringValue\022J\n\022Cu"
-  "rrentEmailClient\022\026.google.protobuf.Empty"
-  "\032\034.google.protobuf.StringValue\022;\n\tReport"
-  "Bug\022\026.grpc.ReportBugRequest\032\026.google.pro"
-  "tobuf.Empty\022M\n\025ExportTLSCertificates\022\034.g"
-  "oogle.protobuf.StringValue\032\026.google.prot"
-  "obuf.Empty\022E\n\rForceLauncher\022\034.google.pro"
-  "tobuf.StringValue\032\026.google.protobuf.Empt"
-  "y\022I\n\021SetMainExecutable\022\034.google.protobuf"
-  ".StringValue\032\026.google.protobuf.Empty\0223\n\005"
-  "Login\022\022.grpc.LoginRequest\032\026.google.proto"
-  "buf.Empty\0226\n\010Login2FA\022\022.grpc.LoginReques"
-  "t\032\026.google.protobuf.Empty\022=\n\017Login2Passw"
-  "ords\022\022.grpc.LoginRequest\032\026.google.protob"
-  "uf.Empty\022=\n\nLoginAbort\022\027.grpc.LoginAbort"
-  "Request\032\026.google.protobuf.Empty\022=\n\013Check"
-  "Update\022\026.google.protobuf.Empty\032\026.google."
-  "protobuf.Empty\022\?\n\rInstallUpdate\022\026.google"
-  ".protobuf.Empty\032\026.google.protobuf.Empty\022"
-  "L\n\026SetIsAutomaticUpdateOn\022\032.google.proto"
-  "buf.BoolValue\032\026.google.protobuf.Empty\022I\n"
-  "\023IsAutomaticUpdateOn\022\026.google.protobuf.E"
-  "mpty\032\032.google.protobuf.BoolValue\022E\n\rDisk"
-  "CachePath\022\026.google.protobuf.Empty\032\034.goog"
-  "le.protobuf.StringValue\022H\n\020SetDiskCacheP"
-  "ath\022\034.google.protobuf.StringValue\032\026.goog"
-  "le.protobuf.Empty\022E\n\017SetIsDoHEnabled\022\032.g"
-  "oogle.protobuf.BoolValue\032\026.google.protob"
-  "uf.Empty\022B\n\014IsDoHEnabled\022\026.google.protob"
-  "uf.Empty\032\032.google.protobuf.BoolValue\022D\n\022"
-  "MailServerSettings\022\026.google.protobuf.Emp"
-  "ty\032\026.grpc.ImapSmtpSettings\022G\n\025SetMailSer"
-  "verSettings\022\026.grpc.ImapSmtpSettings\032\026.go"
-  "ogle.protobuf.Empty\022@\n\010Hostname\022\026.google"
-  ".protobuf.Empty\032\034.google.protobuf.String"
-  "Value\022E\n\nIsPortFree\022\033.google.protobuf.In"
-  "t32Value\032\032.google.protobuf.BoolValue\022N\n\022"
-  "AvailableKeychains\022\026.google.protobuf.Emp"
-  "ty\032 .grpc.AvailableKeychainsResponse\022J\n\022"
-  "SetCurrentKeychain\022\034.google.protobuf.Str"
-  "ingValue\032\026.google.protobuf.Empty\022G\n\017Curr"
-  "entKeychain\022\026.google.protobuf.Empty\032\034.go"
-  "ogle.protobuf.StringValue\022=\n\013GetUserList"
-  "\022\026.google.protobuf.Empty\032\026.grpc.UserList"
-  "Response\0223\n\007GetUser\022\034.google.protobuf.St"
-  "ringValue\032\n.grpc.User\022F\n\020SetUserSplitMod"
-  "e\022\032.grpc.UserSplitModeRequest\032\026.google.p"
-  "rotobuf.Empty\022B\n\nLogoutUser\022\034.google.pro"
-  "tobuf.StringValue\032\026.google.protobuf.Empt"
-  "y\022B\n\nRemoveUser\022\034.google.protobuf.String"
-  "Value\032\026.google.protobuf.Empty\022Q\n\026Configu"
-  "reUserAppleMail\022\037.grpc.ConfigureAppleMai"
-  "lRequest\032\026.google.protobuf.Empty\022\?\n\016RunE"
-  "ventStream\022\030.grpc.EventStreamRequest\032\021.g"
-  "rpc.StreamEvent0\001\022A\n\017StopEventStream\022\026.g"
-  "oogle.protobuf.Empty\032\026.google.protobuf.E"
-  "mptyB6Z4github.com/ProtonMail/proton-bri"
-  "dge/v3/internal/grpcb\006proto3"
+  "uf.StringValue\022N\n\026DependencyLicensesLink"
+  "\022\026.google.protobuf.Empty\032\034.google.protob"
+  "uf.StringValue\022G\n\017LandingPageLink\022\026.goog"
+  "le.protobuf.Empty\032\034.google.protobuf.Stri"
+  "ngValue\022J\n\022SetColorSchemeName\022\034.google.p"
+  "rotobuf.StringValue\032\026.google.protobuf.Em"
+  "pty\022G\n\017ColorSchemeName\022\026.google.protobuf"
+  ".Empty\032\034.google.protobuf.StringValue\022J\n\022"
+  "CurrentEmailClient\022\026.google.protobuf.Emp"
+  "ty\032\034.google.protobuf.StringValue\022;\n\tRepo"
+  "rtBug\022\026.grpc.ReportBugRequest\032\026.google.p"
+  "rotobuf.Empty\022M\n\025ExportTLSCertificates\022\034"
+  ".google.protobuf.StringValue\032\026.google.pr"
+  "otobuf.Empty\022E\n\rForceLauncher\022\034.google.p"
+  "rotobuf.StringValue\032\026.google.protobuf.Em"
+  "pty\022I\n\021SetMainExecutable\022\034.google.protob"
+  "uf.StringValue\032\026.google.protobuf.Empty\0223"
+  "\n\005Login\022\022.grpc.LoginRequest\032\026.google.pro"
+  "tobuf.Empty\0226\n\010Login2FA\022\022.grpc.LoginRequ"
+  "est\032\026.google.protobuf.Empty\022=\n\017Login2Pas"
+  "swords\022\022.grpc.LoginRequest\032\026.google.prot"
+  "obuf.Empty\022=\n\nLoginAbort\022\027.grpc.LoginAbo"
+  "rtRequest\032\026.google.protobuf.Empty\022=\n\013Che"
+  "ckUpdate\022\026.google.protobuf.Empty\032\026.googl"
+  "e.protobuf.Empty\022\?\n\rInstallUpdate\022\026.goog"
+  "le.protobuf.Empty\032\026.google.protobuf.Empt"
+  "y\022L\n\026SetIsAutomaticUpdateOn\022\032.google.pro"
+  "tobuf.BoolValue\032\026.google.protobuf.Empty\022"
+  "I\n\023IsAutomaticUpdateOn\022\026.google.protobuf"
+  ".Empty\032\032.google.protobuf.BoolValue\022E\n\rDi"
+  "skCachePath\022\026.google.protobuf.Empty\032\034.go"
+  "ogle.protobuf.StringValue\022H\n\020SetDiskCach"
+  "ePath\022\034.google.protobuf.StringValue\032\026.go"
+  "ogle.protobuf.Empty\022E\n\017SetIsDoHEnabled\022\032"
+  ".google.protobuf.BoolValue\032\026.google.prot"
+  "obuf.Empty\022B\n\014IsDoHEnabled\022\026.google.prot"
+  "obuf.Empty\032\032.google.protobuf.BoolValue\022D"
+  "\n\022MailServerSettings\022\026.google.protobuf.E"
+  "mpty\032\026.grpc.ImapSmtpSettings\022G\n\025SetMailS"
+  "erverSettings\022\026.grpc.ImapSmtpSettings\032\026."
+  "google.protobuf.Empty\022@\n\010Hostname\022\026.goog"
+  "le.protobuf.Empty\032\034.google.protobuf.Stri"
+  "ngValue\022E\n\nIsPortFree\022\033.google.protobuf."
+  "Int32Value\032\032.google.protobuf.BoolValue\022N"
+  "\n\022AvailableKeychains\022\026.google.protobuf.E"
+  "mpty\032 .grpc.AvailableKeychainsResponse\022J"
+  "\n\022SetCurrentKeychain\022\034.google.protobuf.S"
+  "tringValue\032\026.google.protobuf.Empty\022G\n\017Cu"
+  "rrentKeychain\022\026.google.protobuf.Empty\032\034."
+  "google.protobuf.StringValue\022=\n\013GetUserLi"
+  "st\022\026.google.protobuf.Empty\032\026.grpc.UserLi"
+  "stResponse\0223\n\007GetUser\022\034.google.protobuf."
+  "StringValue\032\n.grpc.User\022F\n\020SetUserSplitM"
+  "ode\022\032.grpc.UserSplitModeRequest\032\026.google"
+  ".protobuf.Empty\022B\n\nLogoutUser\022\034.google.p"
+  "rotobuf.StringValue\032\026.google.protobuf.Em"
+  "pty\022B\n\nRemoveUser\022\034.google.protobuf.Stri"
+  "ngValue\032\026.google.protobuf.Empty\022Q\n\026Confi"
+  "gureUserAppleMail\022\037.grpc.ConfigureAppleM"
+  "ailRequest\032\026.google.protobuf.Empty\022\?\n\016Ru"
+  "nEventStream\022\030.grpc.EventStreamRequest\032\021"
+  ".grpc.StreamEvent0\001\022A\n\017StopEventStream\022\026"
+  ".google.protobuf.Empty\032\026.google.protobuf"
+  ".EmptyB6Z4github.com/ProtonMail/proton-b"
+  "ridge/v3/internal/grpcb\006proto3"
  ;
 static const ::_pbi::DescriptorTable* const descriptor_table_bridge_2eproto_deps[2] = {
  &::descriptor_table_google_2fprotobuf_2fempty_2eproto,
@ -1613,9 +1641,9 @@ static const ::_pbi::DescriptorTable* const descriptor_table_bridge_2eproto_deps
 };
 static ::_pbi::once_flag descriptor_table_bridge_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_bridge_2eproto = {
-    false, false, 9828, descriptor_table_protodef_bridge_2eproto,
+    false, false, 9950, descriptor_table_protodef_bridge_2eproto,
    "bridge.proto",
-    &descriptor_table_bridge_2eproto_once, descriptor_table_bridge_2eproto_deps, 2, 58,
+    &descriptor_table_bridge_2eproto_once, descriptor_table_bridge_2eproto_deps, 2, 59,
    schemas, file_default_instances, TableStruct_bridge_2eproto::offsets,
    file_level_metadata_bridge_2eproto, file_level_enum_descriptors_bridge_2eproto,
    file_level_service_descriptors_bridge_2eproto,
@ -12378,6 +12406,7 @@ class UserEvent::_Internal {
  static const ::grpc::UserDisconnectedEvent& userdisconnected(const UserEvent* msg);
  static const ::grpc::UserChangedEvent& userchanged(const UserEvent* msg);
  static const ::grpc::UserBadEvent& userbadevent(const UserEvent* msg);
+  static const ::grpc::UsedBytesChangedEvent& usedbyteschangedevent(const UserEvent* msg);
 };

 const ::grpc::ToggleSplitModeFinishedEvent&
@ -12396,6 +12425,10 @@ const ::grpc::UserBadEvent&
 UserEvent::_Internal::userbadevent(const UserEvent* msg) {
  return *msg->_impl_.event_.userbadevent_;
 }
+const ::grpc::UsedBytesChangedEvent&
+UserEvent::_Internal::usedbyteschangedevent(const UserEvent* msg) {
+  return *msg->_impl_.event_.usedbyteschangedevent_;
+}
 void UserEvent::set_allocated_togglesplitmodefinished(::grpc::ToggleSplitModeFinishedEvent* togglesplitmodefinished) {
  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
  clear_event();
@ -12456,6 +12489,21 @@ void UserEvent::set_allocated_userbadevent(::grpc::UserBadEvent* userbadevent) {
  }
  // @@protoc_insertion_point(field_set_allocated:grpc.UserEvent.userBadEvent)
 }
+void UserEvent::set_allocated_usedbyteschangedevent(::grpc::UsedBytesChangedEvent* usedbyteschangedevent) {
+  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaForAllocation();
+  clear_event();
+  if (usedbyteschangedevent) {
+    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena =
+      ::PROTOBUF_NAMESPACE_ID::Arena::InternalGetOwningArena(usedbyteschangedevent);
+    if (message_arena != submessage_arena) {
+      usedbyteschangedevent = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
+          message_arena, usedbyteschangedevent, submessage_arena);
+    }
+    set_has_usedbyteschangedevent();
+    _impl_.event_.usedbyteschangedevent_ = usedbyteschangedevent;
+  }
+  // @@protoc_insertion_point(field_set_allocated:grpc.UserEvent.usedBytesChangedEvent)
+}
 UserEvent::UserEvent(::PROTOBUF_NAMESPACE_ID::Arena* arena,
                         bool is_message_owned)
  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
@ -12493,6 +12541,11 @@ UserEvent::UserEvent(const UserEvent& from)
          from._internal_userbadevent());
      break;
    }
+    case kUsedBytesChangedEvent: {
+      _this->_internal_mutable_usedbyteschangedevent()->::grpc::UsedBytesChangedEvent::MergeFrom(
+          from._internal_usedbyteschangedevent());
+      break;
+    }
    case EVENT_NOT_SET: {
      break;
    }
@ -12559,6 +12612,12 @@ void UserEvent::clear_event() {
      }
      break;
    }
+    case kUsedBytesChangedEvent: {
+      if (GetArenaForAllocation() == nullptr) {
+        delete _impl_.event_.usedbyteschangedevent_;
+      }
+      break;
+    }
    case EVENT_NOT_SET: {
      break;
    }
@ -12615,6 +12674,14 @@ const char* UserEvent::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx
        } else
          goto handle_unusual;
        continue;
+      // .grpc.UsedBytesChangedEvent usedBytesChangedEvent = 5;
+      case 5:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 42)) {
+          ptr = ctx->ParseMessage(_internal_mutable_usedbyteschangedevent(), ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
      default:
        goto handle_unusual;
    }  // switch
@ -12672,6 +12739,13 @@ uint8_t* UserEvent::_InternalSerialize(
        _Internal::userbadevent(this).GetCachedSize(), target, stream);
  }

+  // .grpc.UsedBytesChangedEvent usedBytesChangedEvent = 5;
+  if (_internal_has_usedbyteschangedevent()) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(5, _Internal::usedbyteschangedevent(this),
+        _Internal::usedbyteschangedevent(this).GetCachedSize(), target, stream);
+  }
+
  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
@ -12717,6 +12791,13 @@ size_t UserEvent::ByteSizeLong() const {
          *_impl_.event_.userbadevent_);
      break;
    }
+    // .grpc.UsedBytesChangedEvent usedBytesChangedEvent = 5;
+    case kUsedBytesChangedEvent: {
+      total_size += 1 +
+        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+          *_impl_.event_.usedbyteschangedevent_);
+      break;
+    }
    case EVENT_NOT_SET: {
      break;
    }
@ -12760,6 +12841,11 @@ void UserEvent::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROT
          from._internal_userbadevent());
      break;
    }
+    case kUsedBytesChangedEvent: {
+      _this->_internal_mutable_usedbyteschangedevent()->::grpc::UsedBytesChangedEvent::MergeFrom(
+          from._internal_usedbyteschangedevent());
+      break;
+    }
    case EVENT_NOT_SET: {
      break;
    }
@ -13655,6 +13741,236 @@ void UserBadEvent::InternalSwap(UserBadEvent* other) {

 // ===================================================================

+class UsedBytesChangedEvent::_Internal {
+ public:
+};
+
+UsedBytesChangedEvent::UsedBytesChangedEvent(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                         bool is_message_owned)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
+  SharedCtor(arena, is_message_owned);
+  // @@protoc_insertion_point(arena_constructor:grpc.UsedBytesChangedEvent)
+}
+UsedBytesChangedEvent::UsedBytesChangedEvent(const UsedBytesChangedEvent& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  UsedBytesChangedEvent* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.userid_){}
+    , decltype(_impl_.usedbytes_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  _impl_.userid_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.userid_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_userid().empty()) {
+    _this->_impl_.userid_.Set(from._internal_userid(), 
+      _this->GetArenaForAllocation());
+  }
+  _this->_impl_.usedbytes_ = from._impl_.usedbytes_;
+  // @@protoc_insertion_point(copy_constructor:grpc.UsedBytesChangedEvent)
+}
+
+inline void UsedBytesChangedEvent::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.userid_){}
+    , decltype(_impl_.usedbytes_){int64_t{0}}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+  _impl_.userid_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.userid_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+}
+
+UsedBytesChangedEvent::~UsedBytesChangedEvent() {
+  // @@protoc_insertion_point(destructor:grpc.UsedBytesChangedEvent)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void UsedBytesChangedEvent::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.userid_.Destroy();
+}
+
+void UsedBytesChangedEvent::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void UsedBytesChangedEvent::Clear() {
+// @@protoc_insertion_point(message_clear_start:grpc.UsedBytesChangedEvent)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.userid_.ClearToEmpty();
+  _impl_.usedbytes_ = int64_t{0};
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* UsedBytesChangedEvent::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  while (!ctx->Done(&ptr)) {
+    uint32_t tag;
+    ptr = ::_pbi::ReadTag(ptr, &tag);
+    switch (tag >> 3) {
+      // string userID = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
+          auto str = _internal_mutable_userid();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+          CHK_(::_pbi::VerifyUTF8(str, "grpc.UsedBytesChangedEvent.userID"));
+        } else
+          goto handle_unusual;
+        continue;
+      // int64 usedBytes = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
+          _impl_.usedbytes_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      default:
+        goto handle_unusual;
+    }  // switch
+  handle_unusual:
+    if ((tag == 0) || ((tag & 7) == 4)) {
+      CHK_(ptr);
+      ctx->SetLastTag(tag);
+      goto message_done;
+    }
+    ptr = UnknownFieldParse(
+        tag,
+        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+        ptr, ctx);
+    CHK_(ptr != nullptr);
+  }  // while
+message_done:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto message_done;
+#undef CHK_
+}
+
+uint8_t* UsedBytesChangedEvent::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:grpc.UsedBytesChangedEvent)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string userID = 1;
+  if (!this->_internal_userid().empty()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_userid().data(), static_cast<int>(this->_internal_userid().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "grpc.UsedBytesChangedEvent.userID");
+    target = stream->WriteStringMaybeAliased(
+        1, this->_internal_userid(), target);
+  }
+
+  // int64 usedBytes = 2;
+  if (this->_internal_usedbytes() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteInt64ToArray(2, this->_internal_usedbytes(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:grpc.UsedBytesChangedEvent)
+  return target;
+}
+
+size_t UsedBytesChangedEvent::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:grpc.UsedBytesChangedEvent)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // string userID = 1;
+  if (!this->_internal_userid().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_userid());
+  }
+
+  // int64 usedBytes = 2;
+  if (this->_internal_usedbytes() != 0) {
+    total_size += ::_pbi::WireFormatLite::Int64SizePlusOne(this->_internal_usedbytes());
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData UsedBytesChangedEvent::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    UsedBytesChangedEvent::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*UsedBytesChangedEvent::GetClassData() const { return &_class_data_; }
+
+
+void UsedBytesChangedEvent::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<UsedBytesChangedEvent*>(&to_msg);
+  auto& from = static_cast<const UsedBytesChangedEvent&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:grpc.UsedBytesChangedEvent)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (!from._internal_userid().empty()) {
+    _this->_internal_set_userid(from._internal_userid());
+  }
+  if (from._internal_usedbytes() != 0) {
+    _this->_internal_set_usedbytes(from._internal_usedbytes());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void UsedBytesChangedEvent::CopyFrom(const UsedBytesChangedEvent& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:grpc.UsedBytesChangedEvent)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool UsedBytesChangedEvent::IsInitialized() const {
+  return true;
+}
+
+void UsedBytesChangedEvent::InternalSwap(UsedBytesChangedEvent* other) {
+  using std::swap;
+  auto* lhs_arena = GetArenaForAllocation();
+  auto* rhs_arena = other->GetArenaForAllocation();
+  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
+      &_impl_.userid_, lhs_arena,
+      &other->_impl_.userid_, rhs_arena
+  );
+  swap(_impl_.usedbytes_, other->_impl_.usedbytes_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata UsedBytesChangedEvent::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_bridge_2eproto_getter, &descriptor_table_bridge_2eproto_once,
+      file_level_metadata_bridge_2eproto[57]);
+}
+
+// ===================================================================
+
 class GenericErrorEvent::_Internal {
 public:
 };
@ -13831,7 +14147,7 @@ void GenericErrorEvent::InternalSwap(GenericErrorEvent* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata GenericErrorEvent::GetMetadata() const {
  return ::_pbi::AssignDescriptors(
      &descriptor_table_bridge_2eproto_getter, &descriptor_table_bridge_2eproto_once,
-      file_level_metadata_bridge_2eproto[57]);
+      file_level_metadata_bridge_2eproto[58]);
 }

 // @@protoc_insertion_point(namespace_scope)
@ -14065,6 +14381,10 @@ template<> PROTOBUF_NOINLINE ::grpc::UserBadEvent*
 Arena::CreateMaybeMessage< ::grpc::UserBadEvent >(Arena* arena) {
  return Arena::CreateMessageInternal< ::grpc::UserBadEvent >(arena);
 }
+template<> PROTOBUF_NOINLINE ::grpc::UsedBytesChangedEvent*
+Arena::CreateMaybeMessage< ::grpc::UsedBytesChangedEvent >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::grpc::UsedBytesChangedEvent >(arena);
+}
 template<> PROTOBUF_NOINLINE ::grpc::GenericErrorEvent*
 Arena::CreateMaybeMessage< ::grpc::GenericErrorEvent >(Arena* arena) {
  return Arena::CreateMessageInternal< ::grpc::GenericErrorEvent >(arena);
--- a/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/bridge.pb.h
+++ b/internal/frontend/bridge-gui/bridgepp/bridgepp/GRPC/bridge.pb.h
@ -202,6 +202,9 @@ extern UpdateSilentRestartNeededDefaultTypeInternal _UpdateSilentRestartNeeded_d
 class UpdateVersionChanged;
 struct UpdateVersionChangedDefaultTypeInternal;
 extern UpdateVersionChangedDefaultTypeInternal _UpdateVersionChanged_default_instance_;
+class UsedBytesChangedEvent;
+struct UsedBytesChangedEventDefaultTypeInternal;
+extern UsedBytesChangedEventDefaultTypeInternal _UsedBytesChangedEvent_default_instance_;
 class User;
 struct UserDefaultTypeInternal;
 extern UserDefaultTypeInternal _User_default_instance_;
@ -276,6 +279,7 @@ template<> ::grpc::UpdateManualReadyEvent* Arena::CreateMaybeMessage<::grpc::Upd
 template<> ::grpc::UpdateManualRestartNeededEvent* Arena::CreateMaybeMessage<::grpc::UpdateManualRestartNeededEvent>(Arena*);
 template<> ::grpc::UpdateSilentRestartNeeded* Arena::CreateMaybeMessage<::grpc::UpdateSilentRestartNeeded>(Arena*);
 template<> ::grpc::UpdateVersionChanged* Arena::CreateMaybeMessage<::grpc::UpdateVersionChanged>(Arena*);
+template<> ::grpc::UsedBytesChangedEvent* Arena::CreateMaybeMessage<::grpc::UsedBytesChangedEvent>(Arena*);
 template<> ::grpc::User* Arena::CreateMaybeMessage<::grpc::User>(Arena*);
 template<> ::grpc::UserBadEvent* Arena::CreateMaybeMessage<::grpc::UserBadEvent>(Arena*);
 template<> ::grpc::UserChangedEvent* Arena::CreateMaybeMessage<::grpc::UserChangedEvent>(Arena*);
@ -9077,6 +9081,7 @@ class UserEvent final :
    kUserDisconnected = 2,
    kUserChanged = 3,
    kUserBadEvent = 4,
+    kUsedBytesChangedEvent = 5,
    EVENT_NOT_SET = 0,
  };

@ -9162,6 +9167,7 @@ class UserEvent final :
    kUserDisconnectedFieldNumber = 2,
    kUserChangedFieldNumber = 3,
    kUserBadEventFieldNumber = 4,
+    kUsedBytesChangedEventFieldNumber = 5,
  };
  // .grpc.ToggleSplitModeFinishedEvent toggleSplitModeFinished = 1;
  bool has_togglesplitmodefinished() const;
@ -9235,6 +9241,24 @@ class UserEvent final :
      ::grpc::UserBadEvent* userbadevent);
  ::grpc::UserBadEvent* unsafe_arena_release_userbadevent();

+  // .grpc.UsedBytesChangedEvent usedBytesChangedEvent = 5;
+  bool has_usedbyteschangedevent() const;
+  private:
+  bool _internal_has_usedbyteschangedevent() const;
+  public:
+  void clear_usedbyteschangedevent();
+  const ::grpc::UsedBytesChangedEvent& usedbyteschangedevent() const;
+  PROTOBUF_NODISCARD ::grpc::UsedBytesChangedEvent* release_usedbyteschangedevent();
+  ::grpc::UsedBytesChangedEvent* mutable_usedbyteschangedevent();
+  void set_allocated_usedbyteschangedevent(::grpc::UsedBytesChangedEvent* usedbyteschangedevent);
+  private:
+  const ::grpc::UsedBytesChangedEvent& _internal_usedbyteschangedevent() const;
+  ::grpc::UsedBytesChangedEvent* _internal_mutable_usedbyteschangedevent();
+  public:
+  void unsafe_arena_set_allocated_usedbyteschangedevent(
+      ::grpc::UsedBytesChangedEvent* usedbyteschangedevent);
+  ::grpc::UsedBytesChangedEvent* unsafe_arena_release_usedbyteschangedevent();
+
  void clear_event();
  EventCase event_case() const;
  // @@protoc_insertion_point(class_scope:grpc.UserEvent)
@ -9244,6 +9268,7 @@ class UserEvent final :
  void set_has_userdisconnected();
  void set_has_userchanged();
  void set_has_userbadevent();
+  void set_has_usedbyteschangedevent();

  inline bool has_event() const;
  inline void clear_has_event();
@ -9259,6 +9284,7 @@ class UserEvent final :
      ::grpc::UserDisconnectedEvent* userdisconnected_;
      ::grpc::UserChangedEvent* userchanged_;
      ::grpc::UserBadEvent* userbadevent_;
+      ::grpc::UsedBytesChangedEvent* usedbyteschangedevent_;
    } event_;
    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
    uint32_t _oneof_case_[1];
@ -9897,6 +9923,170 @@ class UserBadEvent final :
 };
 // -------------------------------------------------------------------

+class UsedBytesChangedEvent final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:grpc.UsedBytesChangedEvent) */ {
+ public:
+  inline UsedBytesChangedEvent() : UsedBytesChangedEvent(nullptr) {}
+  ~UsedBytesChangedEvent() override;
+  explicit PROTOBUF_CONSTEXPR UsedBytesChangedEvent(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  UsedBytesChangedEvent(const UsedBytesChangedEvent& from);
+  UsedBytesChangedEvent(UsedBytesChangedEvent&& from) noexcept
+    : UsedBytesChangedEvent() {
+    *this = ::std::move(from);
+  }
+
+  inline UsedBytesChangedEvent& operator=(const UsedBytesChangedEvent& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline UsedBytesChangedEvent& operator=(UsedBytesChangedEvent&& from) noexcept {
+    if (this == &from) return *this;
+    if (GetOwningArena() == from.GetOwningArena()
+  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
+        && GetOwningArena() != nullptr
+  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
+    ) {
+      InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
+    return GetDescriptor();
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
+    return default_instance().GetMetadata().descriptor;
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
+    return default_instance().GetMetadata().reflection;
+  }
+  static const UsedBytesChangedEvent& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const UsedBytesChangedEvent* internal_default_instance() {
+    return reinterpret_cast<const UsedBytesChangedEvent*>(
+               &_UsedBytesChangedEvent_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    57;
+
+  friend void swap(UsedBytesChangedEvent& a, UsedBytesChangedEvent& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(UsedBytesChangedEvent* other) {
+    if (other == this) return;
+  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() != nullptr &&
+        GetOwningArena() == other->GetOwningArena()) {
+   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() == other->GetOwningArena()) {
+  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
+      InternalSwap(other);
+    } else {
+      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
+    }
+  }
+  void UnsafeArenaSwap(UsedBytesChangedEvent* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  UsedBytesChangedEvent* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<UsedBytesChangedEvent>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const UsedBytesChangedEvent& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const UsedBytesChangedEvent& from) {
+    UsedBytesChangedEvent::MergeImpl(*this, from);
+  }
+  private:
+  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
+  public:
+  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
+  bool IsInitialized() const final;
+
+  size_t ByteSizeLong() const final;
+  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
+  uint8_t* _InternalSerialize(
+      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
+  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
+
+  private:
+  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
+  void SharedDtor();
+  void SetCachedSize(int size) const final;
+  void InternalSwap(UsedBytesChangedEvent* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "grpc.UsedBytesChangedEvent";
+  }
+  protected:
+  explicit UsedBytesChangedEvent(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                       bool is_message_owned = false);
+  public:
+
+  static const ClassData _class_data_;
+  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
+
+  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  enum : int {
+    kUserIDFieldNumber = 1,
+    kUsedBytesFieldNumber = 2,
+  };
+  // string userID = 1;
+  void clear_userid();
+  const std::string& userid() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_userid(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_userid();
+  PROTOBUF_NODISCARD std::string* release_userid();
+  void set_allocated_userid(std::string* userid);
+  private:
+  const std::string& _internal_userid() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_userid(const std::string& value);
+  std::string* _internal_mutable_userid();
+  public:
+
+  // int64 usedBytes = 2;
+  void clear_usedbytes();
+  int64_t usedbytes() const;
+  void set_usedbytes(int64_t value);
+  private:
+  int64_t _internal_usedbytes() const;
+  void _internal_set_usedbytes(int64_t value);
+  public:
+
+  // @@protoc_insertion_point(class_scope:grpc.UsedBytesChangedEvent)
+ private:
+  class _Internal;
+
+  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  struct Impl_ {
+    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr userid_;
+    int64_t usedbytes_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_bridge_2eproto;
+};
+// -------------------------------------------------------------------
+
 class GenericErrorEvent final :
    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:grpc.GenericErrorEvent) */ {
 public:
@ -9945,7 +10135,7 @@ class GenericErrorEvent final :
               &_GenericErrorEvent_default_instance_);
  }
  static constexpr int kIndexInFileMessages =
-    57;
+    58;

  friend void swap(GenericErrorEvent& a, GenericErrorEvent& b) {
    a.Swap(&b);
@ -15728,6 +15918,80 @@ inline ::grpc::UserBadEvent* UserEvent::mutable_userbadevent() {
  return _msg;
 }

+// .grpc.UsedBytesChangedEvent usedBytesChangedEvent = 5;
+inline bool UserEvent::_internal_has_usedbyteschangedevent() const {
+  return event_case() == kUsedBytesChangedEvent;
+}
+inline bool UserEvent::has_usedbyteschangedevent() const {
+  return _internal_has_usedbyteschangedevent();
+}
+inline void UserEvent::set_has_usedbyteschangedevent() {
+  _impl_._oneof_case_[0] = kUsedBytesChangedEvent;
+}
+inline void UserEvent::clear_usedbyteschangedevent() {
+  if (_internal_has_usedbyteschangedevent()) {
+    if (GetArenaForAllocation() == nullptr) {
+      delete _impl_.event_.usedbyteschangedevent_;
+    }
+    clear_has_event();
+  }
+}
+inline ::grpc::UsedBytesChangedEvent* UserEvent::release_usedbyteschangedevent() {
+  // @@protoc_insertion_point(field_release:grpc.UserEvent.usedBytesChangedEvent)
+  if (_internal_has_usedbyteschangedevent()) {
+    clear_has_event();
+    ::grpc::UsedBytesChangedEvent* temp = _impl_.event_.usedbyteschangedevent_;
+    if (GetArenaForAllocation() != nullptr) {
+      temp = ::PROTOBUF_NAMESPACE_ID::internal::DuplicateIfNonNull(temp);
+    }
+    _impl_.event_.usedbyteschangedevent_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline const ::grpc::UsedBytesChangedEvent& UserEvent::_internal_usedbyteschangedevent() const {
+  return _internal_has_usedbyteschangedevent()
+      ? *_impl_.event_.usedbyteschangedevent_
+      : reinterpret_cast< ::grpc::UsedBytesChangedEvent&>(::grpc::_UsedBytesChangedEvent_default_instance_);
+}
+inline const ::grpc::UsedBytesChangedEvent& UserEvent::usedbyteschangedevent() const {
+  // @@protoc_insertion_point(field_get:grpc.UserEvent.usedBytesChangedEvent)
+  return _internal_usedbyteschangedevent();
+}
+inline ::grpc::UsedBytesChangedEvent* UserEvent::unsafe_arena_release_usedbyteschangedevent() {
+  // @@protoc_insertion_point(field_unsafe_arena_release:grpc.UserEvent.usedBytesChangedEvent)
+  if (_internal_has_usedbyteschangedevent()) {
+    clear_has_event();
+    ::grpc::UsedBytesChangedEvent* temp = _impl_.event_.usedbyteschangedevent_;
+    _impl_.event_.usedbyteschangedevent_ = nullptr;
+    return temp;
+  } else {
+    return nullptr;
+  }
+}
+inline void UserEvent::unsafe_arena_set_allocated_usedbyteschangedevent(::grpc::UsedBytesChangedEvent* usedbyteschangedevent) {
+  clear_event();
+  if (usedbyteschangedevent) {
+    set_has_usedbyteschangedevent();
+    _impl_.event_.usedbyteschangedevent_ = usedbyteschangedevent;
+  }
+  // @@protoc_insertion_point(field_unsafe_arena_set_allocated:grpc.UserEvent.usedBytesChangedEvent)
+}
+inline ::grpc::UsedBytesChangedEvent* UserEvent::_internal_mutable_usedbyteschangedevent() {
+  if (!_internal_has_usedbyteschangedevent()) {
+    clear_event();
+    set_has_usedbyteschangedevent();
+    _impl_.event_.usedbyteschangedevent_ = CreateMaybeMessage< ::grpc::UsedBytesChangedEvent >(GetArenaForAllocation());
+  }
+  return _impl_.event_.usedbyteschangedevent_;
+}
+inline ::grpc::UsedBytesChangedEvent* UserEvent::mutable_usedbyteschangedevent() {
+  ::grpc::UsedBytesChangedEvent* _msg = _internal_mutable_usedbyteschangedevent();
+  // @@protoc_insertion_point(field_mutable:grpc.UserEvent.usedBytesChangedEvent)
+  return _msg;
+}
+
 inline bool UserEvent::has_event() const {
  return event_case() != EVENT_NOT_SET;
 }
@ -16005,6 +16269,80 @@ inline void UserBadEvent::set_allocated_errormessage(std::string* errormessage)

 // -------------------------------------------------------------------

+// UsedBytesChangedEvent
+
+// string userID = 1;
+inline void UsedBytesChangedEvent::clear_userid() {
+  _impl_.userid_.ClearToEmpty();
+}
+inline const std::string& UsedBytesChangedEvent::userid() const {
+  // @@protoc_insertion_point(field_get:grpc.UsedBytesChangedEvent.userID)
+  return _internal_userid();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void UsedBytesChangedEvent::set_userid(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.userid_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:grpc.UsedBytesChangedEvent.userID)
+}
+inline std::string* UsedBytesChangedEvent::mutable_userid() {
+  std::string* _s = _internal_mutable_userid();
+  // @@protoc_insertion_point(field_mutable:grpc.UsedBytesChangedEvent.userID)
+  return _s;
+}
+inline const std::string& UsedBytesChangedEvent::_internal_userid() const {
+  return _impl_.userid_.Get();
+}
+inline void UsedBytesChangedEvent::_internal_set_userid(const std::string& value) {
+  
+  _impl_.userid_.Set(value, GetArenaForAllocation());
+}
+inline std::string* UsedBytesChangedEvent::_internal_mutable_userid() {
+  
+  return _impl_.userid_.Mutable(GetArenaForAllocation());
+}
+inline std::string* UsedBytesChangedEvent::release_userid() {
+  // @@protoc_insertion_point(field_release:grpc.UsedBytesChangedEvent.userID)
+  return _impl_.userid_.Release();
+}
+inline void UsedBytesChangedEvent::set_allocated_userid(std::string* userid) {
+  if (userid != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.userid_.SetAllocated(userid, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.userid_.IsDefault()) {
+    _impl_.userid_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:grpc.UsedBytesChangedEvent.userID)
+}
+
+// int64 usedBytes = 2;
+inline void UsedBytesChangedEvent::clear_usedbytes() {
+  _impl_.usedbytes_ = int64_t{0};
+}
+inline int64_t UsedBytesChangedEvent::_internal_usedbytes() const {
+  return _impl_.usedbytes_;
+}
+inline int64_t UsedBytesChangedEvent::usedbytes() const {
+  // @@protoc_insertion_point(field_get:grpc.UsedBytesChangedEvent.usedBytes)
+  return _internal_usedbytes();
+}
+inline void UsedBytesChangedEvent::_internal_set_usedbytes(int64_t value) {
+  
+  _impl_.usedbytes_ = value;
+}
+inline void UsedBytesChangedEvent::set_usedbytes(int64_t value) {
+  _internal_set_usedbytes(value);
+  // @@protoc_insertion_point(field_set:grpc.UsedBytesChangedEvent.usedBytes)
+}
+
+// -------------------------------------------------------------------
+
 // GenericErrorEvent

 // .grpc.ErrorCode code = 1;
@ -16144,6 +16482,8 @@ inline void GenericErrorEvent::set_code(::grpc::ErrorCode value) {

 // -------------------------------------------------------------------

+// -------------------------------------------------------------------
+

 // @@protoc_insertion_point(namespace_scope)

--- a/internal/frontend/grpc/bridge.pb.go
+++ b/internal/frontend/grpc/bridge.pb.go
--- a/internal/frontend/grpc/bridge.proto
+++ b/internal/frontend/grpc/bridge.proto
@ -448,6 +448,7 @@ message UserEvent {
    UserDisconnectedEvent userDisconnected = 2;
    UserChangedEvent userChanged = 3;
    UserBadEvent userBadEvent = 4;
+    UsedBytesChangedEvent  usedBytesChangedEvent= 5;
  }
 }

@ -468,6 +469,11 @@ message UserBadEvent {
  string errorMessage = 2;
 }

+message UsedBytesChangedEvent {
+  string userID = 1;
+  int64 usedBytes = 2;
+}
+
 //**********************************************************
 // Generic errors
 //**********************************************************
--- a/internal/frontend/grpc/event_factory.go
+++ b/internal/frontend/grpc/event_factory.go
@ -177,6 +177,10 @@ func NewUserBadEvent(userID string, errorMessage string) *StreamEvent {
 	return userEvent(&UserEvent{Event: &UserEvent_UserBadEvent{UserBadEvent: &UserBadEvent{UserID: userID, ErrorMessage: errorMessage}}})
 }

+func NewUsedBytesChangedEvent(userID string, usedBytes int) *StreamEvent {
+	return userEvent(&UserEvent{Event: &UserEvent_UsedBytesChangedEvent{UsedBytesChangedEvent: &UsedBytesChangedEvent{UserID: userID, UsedBytes: int64(usedBytes)}}})
+}
+
 func NewGenericErrorEvent(errorCode ErrorCode) *StreamEvent {
 	return genericErrorEvent(&GenericErrorEvent{Code: errorCode})
 }
--- a/internal/frontend/grpc/service.go
+++ b/internal/frontend/grpc/service.go
@ -305,6 +305,9 @@ func (s *Service) watchEvents() {
 		case events.AddressModeChanged:
 			_ = s.SendEvent(NewUserChangedEvent(event.UserID))

+		case events.UsedSpaceChanged:
+			_ = s.SendEvent(NewUsedBytesChangedEvent(event.UserID, event.UsedSpace))
+
 		case events.UserDeauth:
 			// This is the event the GUI cares about.
 			_ = s.SendEvent(NewUserChangedEvent(event.UserID))
--- a/internal/frontend/grpc/service_stream.go
+++ b/internal/frontend/grpc/service_stream.go
@ -174,6 +174,7 @@ func (s *Service) StartEventTest() error { //nolint:funlen
 		NewUserToggleSplitModeFinishedEvent("userID"),
 		NewUserDisconnectedEvent("username"),
 		NewUserChangedEvent("userID"),
+		NewUsedBytesChangedEvent("userID", 1000),
 	}

 	for _, event := range events {
--- a/internal/user/events.go
+++ b/internal/user/events.go
@ -66,6 +66,10 @@ func (user *User) handleAPIEvent(ctx context.Context, event proton.Event) error
 		}
 	}

+	if event.UsedSpace != nil {
+		user.handleUsedSpaceChange(*event.UsedSpace)
+	}
+
 	return nil
 }

@ -655,6 +659,20 @@ func (user *User) handleUpdateDraftEvent(ctx context.Context, event proton.Messa
 	}, user.apiUserLock, user.apiAddrsLock, user.apiLabelsLock, user.updateChLock)
 }

+func (user *User) handleUsedSpaceChange(usedSpace int) {
+	safe.Lock(func() {
+		if user.apiUser.UsedSpace == usedSpace {
+			return
+		}
+
+		user.apiUser.UsedSpace = usedSpace
+		user.eventCh.Enqueue(events.UsedSpaceChanged{
+			UserID:    user.apiUser.ID,
+			UsedSpace: usedSpace,
+		})
+	}, user.apiUserLock)
+}
+
 func getMailboxName(label proton.Label) []string {
 	var name []string