add dat base

bus.go

@@ -65,7 +65,7 @@ func (b *EventBus) JoinPrivileged(service ActiveService) {
 }
 
 func (b *EventBus) RunCommand(command Command) {
-	if cd := command.CommandDescription(); !strings.HasPrefix(cd, "SetStateBatch(") {
+	if cd := command.CommandDescription(); !strings.HasPrefix(cd, "SetState") {
 		if setStates := atomic.LoadInt32(&b.setStates); setStates > 0 {
 			fmt.Println("[INFO]", setStates, "SetStates commands hidden.")
 			atomic.AddInt32(&b.setStates, -setStates)
@@ -74,7 +74,7 @@ func (b *EventBus) RunCommand(command Command) {
 		fmt.Println("[COMMAND]", cd)
 	} else {
 		if atomic.AddInt32(&b.setStates, 1) >= 1000 {
-			fmt.Println("[INFO] 100 SetStates commands hidden.")
+			fmt.Println("[INFO] 1000 SetStates commands hidden.")
 			atomic.AddInt32(&b.setStates, -1000)
 		}
 	}
@@ -99,7 +99,7 @@ func (b *EventBus) send(message serviceMessage) {
 
 	for _, service := range b.privilegedList {
 		if message.command != nil {
-			service.HandleCommand(nil, message.command)
+			service.HandleCommand(b, message.command)
 		}
 		if message.event != nil {
 			service.HandleEvent(nil, message.event)

cmd/lucifer4-color/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"git.aiterp.net/lucifer3/server/internal/color"
+	"os"
+)
+
+func main() {
+	col := color.MustParse(os.Args[len(os.Args)-1])
+
+	if col, ok := col.ToXY(); ok {
+		fmt.Println(col.String())
+	}
+	if col, ok := col.ToHS(); ok {
+		fmt.Println(col.String())
+	}
+	if col, ok := col.ToHSK(); ok {
+		fmt.Println(col.String())
+	}
+	if col, ok := col.ToRGB(); ok {
+		fmt.Println(col.String())
+	}
+}

commands/assign.go

@@ -3,13 +3,19 @@ package commands
 import (
 	"fmt"
 	lucifer3 "git.aiterp.net/lucifer3/server"
+	"github.com/google/uuid"
 )
 
 type Assign struct {
+	ID     *uuid.UUID      `json:"id"`
 	Match  string          `json:"match"`
 	Effect lucifer3.Effect `json:"effect"`
 }
 
 func (c Assign) CommandDescription() string {
-	return fmt.Sprintf("Assign(%s, %s)", c.Match, c.Effect.EffectDescription())
+	if c.ID != nil {
+		return fmt.Sprintf("Assign(%s, %s, id=%s)", c.Match, c.Effect.EffectDescription(), *c.ID)
+	} else {
+		return fmt.Sprintf("Assign(%s, %s)", c.Match, c.Effect.EffectDescription())
+	}
 }

commands/device.go

@@ -58,3 +58,11 @@ func (c SearchDevices) Matches(driver string) (string, bool) {
 func (c SearchDevices) CommandDescription() string {
 	return fmt.Sprintf("SearchDevices(%s, %#+v)", c.ID, c.Hint)
 }
+
+type ForgetDevice struct {
+	ID string `json:"id"`
+}
+
+func (c ForgetDevice) CommandDescription() string {
+	return fmt.Sprintf("ForgetDevice(%s)", c.ID)
+}

device/pointer.go

@@ -1,6 +1,7 @@
 package device
 
 import (
+	"git.aiterp.net/lucifer3/server/internal/gentools"
 	"strings"
 )
 
@@ -13,32 +14,46 @@ type Pointer struct {
 	Aliases []string `json:"aliases"`
 }
 
-func (p *Pointer) AddAlias(alias string) {
+func (p *Pointer) AddAlias(alias string) (added *string, removed *string) {
+	if !strings.HasPrefix(alias, "lucifer:") {
+		return
+	}
+
+	for _, alias2 := range p.Aliases {
+		if alias2 == alias {
+			return
+		}
+	}
+
 	if strings.HasPrefix(alias, "lucifer:name:") {
 		for i, alias2 := range p.Aliases {
 			if strings.HasPrefix(alias2, "lucifer:name:") {
 				p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...)
+				removed = gentools.ShallowCopy(&alias2)
 				break
 			}
 		}
 	}
 
-	for _, alias2 := range p.Aliases {
-		if alias2 == alias {
-			return
-		}
-	}
-
+	added = gentools.ShallowCopy(&alias)
 	p.Aliases = append(p.Aliases, alias)
+	return
 }
 
-func (p *Pointer) RemoveAlias(alias string) {
+func (p *Pointer) RemoveAlias(alias string) bool {
+	if strings.HasPrefix(alias, "lucifer:name:") {
+		// Name cannot be removed like this.
+		return false
+	}
+
 	for i, alias2 := range p.Aliases {
 		if alias2 == alias {
 			p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...)
-			break
+			return true
 		}
 	}
+
+	return false
 }
 
 func (p *Pointer) Name() string {

effects/serializable.go

@@ -14,7 +14,7 @@ type serializedEffect struct {
 }
 
 type Serializable struct {
-	lucifer3.Effect
+	Effect lucifer3.Effect
 }
 
 func (s *Serializable) UnmarshalJSON(raw []byte) error {

events/alias.go

@@ -0,0 +1,21 @@
+package events
+
+import "fmt"
+
+type AliasAdded struct {
+	ID    string
+	Alias string
+}
+
+func (e AliasAdded) EventDescription() string {
+	return fmt.Sprintf("AliasAdded(id=%s, alias=%s)", e.ID, e.Alias)
+}
+
+type AliasRemoved struct {
+	ID    string
+	Alias string
+}
+
+func (e AliasRemoved) EventDescription() string {
+	return fmt.Sprintf("AliasRemoved(id=%s, alias=%s)", e.ID, e.Alias)
+}

events/assignment.go

@@ -0,0 +1,34 @@
+package events
+
+import (
+	"fmt"
+	lucifer3 "git.aiterp.net/lucifer3/server"
+	"github.com/google/uuid"
+)
+
+type AssignmentCreated struct {
+	ID     uuid.UUID
+	Match  string
+	Effect lucifer3.Effect
+}
+
+func (e AssignmentCreated) EventDescription() string {
+	return fmt.Sprintf("AssignmentCreated(id=%s, match=%s, effect=%s)", e.ID, e.Match, e.Effect.EffectDescription())
+}
+
+type AssignmentRemoved struct {
+	ID uuid.UUID
+}
+
+func (e AssignmentRemoved) EventDescription() string {
+	return fmt.Sprintf("AssignmentRemoved(id=%s)", e.ID)
+}
+
+type DeviceAssigned struct {
+	DeviceID     string     `json:"deviceId"`
+	AssignmentID *uuid.UUID `json:"assignmentId"`
+}
+
+func (e DeviceAssigned) EventDescription() string {
+	return fmt.Sprintf("DeviceAssigned(device=%s, %s)", e.DeviceID, e.AssignmentID)
+}

events/device.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"git.aiterp.net/lucifer3/server/device"
 	"git.aiterp.net/lucifer3/server/internal/color"
+	"git.aiterp.net/lucifer3/server/internal/formattools"
+	"os"
 )
 
 type DeviceConnected struct {
@@ -24,7 +26,7 @@ func (e DeviceDisconnected) EventDescription() string {
 }
 
 type HardwareState struct {
-	ID                string              `json:"internalId"`
+	ID                string              `json:"id"`
 	InternalName      string              `json:"internalName"`
 	SupportFlags      device.SupportFlags `json:"supportFlags"`
 	ColorFlags        device.ColorFlags   `json:"colorFlags"`
@@ -34,6 +36,7 @@ type HardwareState struct {
 	State             device.State        `json:"state"`
 	BatteryPercentage *int                `json:"batteryPercentage"`
 	Unreachable       bool                `json:"unreachable"`
+	Stale             bool                `json:"stale,omitempty"`
 }
 
 func (e HardwareState) EventDescription() string {
@@ -53,6 +56,7 @@ type HardwareMetadata struct {
 	Icon            string `json:"icon,omitempty"`
 	SerialNumber    string `json:"serialNumber,omitempty"`
 	FirmwareVersion string `json:"firmwareVersion,omitempty"`
+	Stale           bool   `json:"stale,omitempty"`
 }
 
 func (e HardwareMetadata) EventDescription() string {
@@ -85,6 +89,17 @@ type DeviceAccepted struct {
 }
 
 func (e DeviceAccepted) EventDescription() string {
-	// TODO: Use formattools.Asterisks
-	return fmt.Sprintf("DeviceAccepted(id:%s, apiKey:%s)", e.ID, e.APIKey)
+	if os.Getenv("DEV_SHOW_API_KEYS") == "true" {
+		return fmt.Sprintf("DeviceAccepted(id:%s, apiKey:%s)", e.ID, e.APIKey)
+	} else {
+		return fmt.Sprintf("DeviceAccepted(id:%s, apiKey:%s)", e.ID, formattools.Asterisks(e.APIKey))
+	}
+}
+
+type DeviceForgotten struct {
+	ID string `json:"id"`
+}
+
+func (e DeviceForgotten) EventDescription() string {
+	return fmt.Sprintf("DeviceForgotten(id:%s)", e.ID)
 }

events/log.go

@@ -3,7 +3,7 @@ package events
 import "fmt"
 
 type Log struct {
-	ID      string `json:"id"`
+	ID      string `json:"id,omitempty"`
 	Level   string `json:"level"`
 	Code    string `json:"code"`
 	Message string `json:"message"`

events/program.go

@@ -0,0 +1,7 @@
+package events
+
+type Started struct{}
+
+func (Started) EventDescription() string {
+	return "Started()"
+}

go.mod

@@ -4,6 +4,9 @@ go 1.19
 
 require github.com/lucasb-eyer/go-colorful v1.2.0
 
-require github.com/gobwas/glob v0.2.3
-
-require golang.org/x/sync v0.1.0 // indirect
+require (
+	github.com/go-sql-driver/mysql v1.7.0
+	github.com/gobwas/glob v0.2.3
+	github.com/google/uuid v1.3.0
+	golang.org/x/sync v0.1.0
+)

go.sum

@@ -1,5 +1,9 @@
+github.com/go-sql-driver/mysql v1.7.0 h1:ueSltNNllEqE3qcWBTD0iQd3IpL/6U+mJxLkazJ7YPc=
+github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
 github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=

services/effectenforcer.go

@@ -5,6 +5,8 @@ import (
 	"git.aiterp.net/lucifer3/server/commands"
 	"git.aiterp.net/lucifer3/server/device"
 	"git.aiterp.net/lucifer3/server/events"
+	"git.aiterp.net/lucifer3/server/internal/gentools"
+	"github.com/google/uuid"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -42,7 +44,7 @@ func (s *effectEnforcer) HandleEvent(_ *lucifer3.EventBus, event lucifer3.Event)
 		// If the device is managed by the effect enforcer, cause the effect to be
 		// re-ran.
 		s.mu.Lock()
-		if run, ok := s.index[event.ID]; ok && run.due.IsZero() {
+		if run, ok := s.index[event.ID]; ok {
 			run.due = time.Now()
 		}
 		s.mu.Unlock()
@@ -59,10 +61,35 @@ func (s *effectEnforcer) HandleCommand(bus *lucifer3.EventBus, command lucifer3.
 				allowedIDs = append(allowedIDs, ptr.ID)
 			}
 		}
+		if len(pointers) == 0 {
+			if command.ID != nil {
+				bus.RunEvent(events.AssignmentRemoved{ID: *command.ID})
+			} else {
+				bus.RunEvent(events.Log{
+					Level:   "info",
+					Code:    "assignment_matched_none",
+					Message: "Assignment to \"" + command.Match + "\" matched no devices.",
+				})
+			}
+
+			return
+		}
+
+		id := uuid.New()
+		if command.ID != nil {
+			id = *command.ID
+		}
+
+		bus.RunEvent(events.AssignmentCreated{
+			ID:     id,
+			Match:  command.Match,
+			Effect: command.Effect,
+		})
 
 		s.mu.Lock()
 		// Create a new run
 		newRun := &effectEnforcerRun{
+			id:     id,
 			due:    time.Now(),
 			ids:    allowedIDs,
 			effect: command.Effect,
@@ -81,17 +108,28 @@ func (s *effectEnforcer) HandleCommand(bus *lucifer3.EventBus, command lucifer3.
 		if atomic.CompareAndSwapUint32(&s.started, 0, 1) {
 			go s.runLoop(bus)
 		}
+
+		for _, deviceID := range allowedIDs {
+			bus.RunEvent(events.DeviceAssigned{
+				DeviceID:     deviceID,
+				AssignmentID: gentools.Ptr(id),
+			})
+		}
 	}
 }
 
 func (s *effectEnforcer) runLoop(bus *lucifer3.EventBus) {
 	deleteList := make([]int, 0, 8)
 	batch := make(commands.SetStateBatch, 64)
+	deleteIDs := make([]uuid.UUID, 0)
 
 	for now := range time.NewTicker(time.Millisecond * 50).C {
+		deleteIDs = deleteIDs[:0]
+
 		s.mu.Lock()
 		for i, run := range s.list {
 			if run.dead {
+				deleteIDs = append(deleteIDs, run.id)
 				deleteList = append(deleteList, i-len(deleteList))
 				continue
 			}
@@ -123,13 +161,17 @@ func (s *effectEnforcer) runLoop(bus *lucifer3.EventBus) {
 
 		if len(deleteList) > 0 {
 			for _, i := range deleteList {
-				deleteList = append(deleteList[:i], deleteList[i+1:]...)
+				s.list = append(s.list[:i], s.list[i+1:]...)
 			}
 
 			deleteList = deleteList[:0]
 		}
 		s.mu.Unlock()
 
+		for _, id := range deleteIDs {
+			bus.RunEvent(events.AssignmentRemoved{ID: id})
+		}
+
 		if len(batch) > 0 {
 			bus.RunCommand(batch)
 			batch = make(commands.SetStateBatch, 64)
@@ -138,6 +180,7 @@ func (s *effectEnforcer) runLoop(bus *lucifer3.EventBus) {
 }
 
 type effectEnforcerRun struct {
+	id     uuid.UUID
 	due    time.Time
 	ids    []string
 	effect lucifer3.Effect

services/hue/bridge.go

@@ -196,10 +196,12 @@ func (b *Bridge) ApplyPatches(resources []ResourceData) (events []lucifer3.Event
 
 func (b *Bridge) SetStates(patch map[string]device.State) {
 	b.mu.Lock()
-	newStates := gentools.CopyMap(b.desiredStates)
+	desiredStates := b.desiredStates
 	resources := b.resources
 	b.mu.Unlock()
 
+	desiredStates = gentools.CopyMap(desiredStates)
+
 	prefix := "hue:" + b.host + ":"
 	for id, state := range patch {
 		if !strings.HasPrefix(id, prefix) {
@@ -213,14 +215,14 @@ func (b *Bridge) SetStates(patch map[string]device.State) {
 		}
 
 		if !state.Empty() {
-			newStates[id] = resource.FixState(state, resources)
+			desiredStates[id] = resource.FixState(state, resources)
 		} else {
-			delete(newStates, id)
+			delete(desiredStates, id)
 		}
 	}
 
 	b.mu.Lock()
-	b.desiredStates = newStates
+	b.desiredStates = desiredStates
 	b.mu.Unlock()
 
 	b.triggerCongruenceCheck()
@@ -289,8 +291,8 @@ func (b *Bridge) makeCongruentLoop(ctx context.Context) {
 			break
 		}
 
-		// Make sure this loop takes half a second
-		rateLimit := time.After(time.Second / 2)
+		// Make sure this loop doesn't spam too hard
+		rateLimit := time.After(time.Second / 10)
 
 		// Take states
 		b.mu.Lock()
@@ -305,6 +307,7 @@ func (b *Bridge) makeCongruentLoop(ctx context.Context) {
 
 		updates := make(map[string]ResourceUpdate)
 		for id, desired := range desiredStates {
+
 			active, activeOK := activeStates[id]
 			lightID := resources[id].ServiceID("light")
 			if !reachable[id] || !activeOK || lightID == nil {
@@ -423,10 +426,10 @@ func (b *Bridge) makeCongruentLoop(ctx context.Context) {
 			b.mu.Unlock()
 
 			cancel()
-		}
 
-		// Wait the remaining time for the rate limit
-		<-rateLimit
+			// Wait the remaining time for the rate limit
+			<-rateLimit
+		}
 	}
 }
 

services/mysqldb/migrations/20221229182826_device_hwstate.sql

@@ -0,0 +1,16 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE device_info
+(
+    id   VARCHAR(255) NOT NULL,
+    kind VARCHAR(255) NOT NULL,
+    data JSON         NOT NULL,
+
+    PRIMARY KEY (id, kind)
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE device_info;
+-- +goose StatementEnd

services/mysqldb/migrations/20221229213541_device_assignment.sql

@@ -0,0 +1,15 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE device_assignment
+(
+    id           CHAR(36)  NOT NULL PRIMARY KEY,
+    created_date TIMESTAMP NOT NULL,
+    `match`      TEXT      NOT NULL,
+    effect       JSON      NOT NULL
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE device_assignment;
+-- +goose StatementEnd

services/mysqldb/migrations/20221230104518_device_auth.sql

@@ -0,0 +1,14 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE device_auth
+(
+    id      VARCHAR(255) NOT NULL PRIMARY KEY,
+    api_key TEXT         NOT NULL,
+    extras  JSON         NOT NULL
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE device_auth;
+-- +goose StatementEnd

services/mysqldb/migrations/20221231155702_device_alias.sql

@@ -0,0 +1,15 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE device_alias
+(
+    id    VARCHAR(255)  NOT NULL,
+    alias VARCHAR(1023) NOT NULL,
+
+    PRIMARY KEY (id, alias)
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE device_alias;
+-- +goose StatementEnd

services/mysqldb/mysqlgen/db.go

@@ -0,0 +1,238 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+
+package mysqlgen
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+func Prepare(ctx context.Context, db DBTX) (*Queries, error) {
+	q := Queries{db: db}
+	var err error
+	if q.deleteDeviceAliasStmt, err = db.PrepareContext(ctx, deleteDeviceAlias); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceAlias: %w", err)
+	}
+	if q.deleteDeviceAliasByIDStmt, err = db.PrepareContext(ctx, deleteDeviceAliasByID); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceAliasByID: %w", err)
+	}
+	if q.deleteDeviceAliasByIDLikeStmt, err = db.PrepareContext(ctx, deleteDeviceAliasByIDLike); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceAliasByIDLike: %w", err)
+	}
+	if q.deleteDeviceAssignmentStmt, err = db.PrepareContext(ctx, deleteDeviceAssignment); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceAssignment: %w", err)
+	}
+	if q.deleteDeviceAuthStmt, err = db.PrepareContext(ctx, deleteDeviceAuth); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceAuth: %w", err)
+	}
+	if q.deleteDeviceInfoStmt, err = db.PrepareContext(ctx, deleteDeviceInfo); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceInfo: %w", err)
+	}
+	if q.deleteDeviceInfoByIDStmt, err = db.PrepareContext(ctx, deleteDeviceInfoByID); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceInfoByID: %w", err)
+	}
+	if q.deleteDeviceInfoLikeStmt, err = db.PrepareContext(ctx, deleteDeviceInfoLike); err != nil {
+		return nil, fmt.Errorf("error preparing query DeleteDeviceInfoLike: %w", err)
+	}
+	if q.insertDeviceAliasStmt, err = db.PrepareContext(ctx, insertDeviceAlias); err != nil {
+		return nil, fmt.Errorf("error preparing query InsertDeviceAlias: %w", err)
+	}
+	if q.listDeviceAliasesStmt, err = db.PrepareContext(ctx, listDeviceAliases); err != nil {
+		return nil, fmt.Errorf("error preparing query ListDeviceAliases: %w", err)
+	}
+	if q.listDeviceAssignmentsStmt, err = db.PrepareContext(ctx, listDeviceAssignments); err != nil {
+		return nil, fmt.Errorf("error preparing query ListDeviceAssignments: %w", err)
+	}
+	if q.listDeviceAuthStmt, err = db.PrepareContext(ctx, listDeviceAuth); err != nil {
+		return nil, fmt.Errorf("error preparing query ListDeviceAuth: %w", err)
+	}
+	if q.listDeviceInfosStmt, err = db.PrepareContext(ctx, listDeviceInfos); err != nil {
+		return nil, fmt.Errorf("error preparing query ListDeviceInfos: %w", err)
+	}
+	if q.replaceDeviceAssignmentStmt, err = db.PrepareContext(ctx, replaceDeviceAssignment); err != nil {
+		return nil, fmt.Errorf("error preparing query ReplaceDeviceAssignment: %w", err)
+	}
+	if q.replaceDeviceAuthStmt, err = db.PrepareContext(ctx, replaceDeviceAuth); err != nil {
+		return nil, fmt.Errorf("error preparing query ReplaceDeviceAuth: %w", err)
+	}
+	if q.replaceDeviceInfoStmt, err = db.PrepareContext(ctx, replaceDeviceInfo); err != nil {
+		return nil, fmt.Errorf("error preparing query ReplaceDeviceInfo: %w", err)
+	}
+	return &q, nil
+}
+
+func (q *Queries) Close() error {
+	var err error
+	if q.deleteDeviceAliasStmt != nil {
+		if cerr := q.deleteDeviceAliasStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceAliasStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceAliasByIDStmt != nil {
+		if cerr := q.deleteDeviceAliasByIDStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceAliasByIDStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceAliasByIDLikeStmt != nil {
+		if cerr := q.deleteDeviceAliasByIDLikeStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceAliasByIDLikeStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceAssignmentStmt != nil {
+		if cerr := q.deleteDeviceAssignmentStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceAssignmentStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceAuthStmt != nil {
+		if cerr := q.deleteDeviceAuthStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceAuthStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceInfoStmt != nil {
+		if cerr := q.deleteDeviceInfoStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceInfoStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceInfoByIDStmt != nil {
+		if cerr := q.deleteDeviceInfoByIDStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceInfoByIDStmt: %w", cerr)
+		}
+	}
+	if q.deleteDeviceInfoLikeStmt != nil {
+		if cerr := q.deleteDeviceInfoLikeStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing deleteDeviceInfoLikeStmt: %w", cerr)
+		}
+	}
+	if q.insertDeviceAliasStmt != nil {
+		if cerr := q.insertDeviceAliasStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing insertDeviceAliasStmt: %w", cerr)
+		}
+	}
+	if q.listDeviceAliasesStmt != nil {
+		if cerr := q.listDeviceAliasesStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing listDeviceAliasesStmt: %w", cerr)
+		}
+	}
+	if q.listDeviceAssignmentsStmt != nil {
+		if cerr := q.listDeviceAssignmentsStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing listDeviceAssignmentsStmt: %w", cerr)
+		}
+	}
+	if q.listDeviceAuthStmt != nil {
+		if cerr := q.listDeviceAuthStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing listDeviceAuthStmt: %w", cerr)
+		}
+	}
+	if q.listDeviceInfosStmt != nil {
+		if cerr := q.listDeviceInfosStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing listDeviceInfosStmt: %w", cerr)
+		}
+	}
+	if q.replaceDeviceAssignmentStmt != nil {
+		if cerr := q.replaceDeviceAssignmentStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing replaceDeviceAssignmentStmt: %w", cerr)
+		}
+	}
+	if q.replaceDeviceAuthStmt != nil {
+		if cerr := q.replaceDeviceAuthStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing replaceDeviceAuthStmt: %w", cerr)
+		}
+	}
+	if q.replaceDeviceInfoStmt != nil {
+		if cerr := q.replaceDeviceInfoStmt.Close(); cerr != nil {
+			err = fmt.Errorf("error closing replaceDeviceInfoStmt: %w", cerr)
+		}
+	}
+	return err
+}
+
+func (q *Queries) exec(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) (sql.Result, error) {
+	switch {
+	case stmt != nil && q.tx != nil:
+		return q.tx.StmtContext(ctx, stmt).ExecContext(ctx, args...)
+	case stmt != nil:
+		return stmt.ExecContext(ctx, args...)
+	default:
+		return q.db.ExecContext(ctx, query, args...)
+	}
+}
+
+func (q *Queries) query(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) (*sql.Rows, error) {
+	switch {
+	case stmt != nil && q.tx != nil:
+		return q.tx.StmtContext(ctx, stmt).QueryContext(ctx, args...)
+	case stmt != nil:
+		return stmt.QueryContext(ctx, args...)
+	default:
+		return q.db.QueryContext(ctx, query, args...)
+	}
+}
+
+func (q *Queries) queryRow(ctx context.Context, stmt *sql.Stmt, query string, args ...interface{}) *sql.Row {
+	switch {
+	case stmt != nil && q.tx != nil:
+		return q.tx.StmtContext(ctx, stmt).QueryRowContext(ctx, args...)
+	case stmt != nil:
+		return stmt.QueryRowContext(ctx, args...)
+	default:
+		return q.db.QueryRowContext(ctx, query, args...)
+	}
+}
+
+type Queries struct {
+	db                            DBTX
+	tx                            *sql.Tx
+	deleteDeviceAliasStmt         *sql.Stmt
+	deleteDeviceAliasByIDStmt     *sql.Stmt
+	deleteDeviceAliasByIDLikeStmt *sql.Stmt
+	deleteDeviceAssignmentStmt    *sql.Stmt
+	deleteDeviceAuthStmt          *sql.Stmt
+	deleteDeviceInfoStmt          *sql.Stmt
+	deleteDeviceInfoByIDStmt      *sql.Stmt
+	deleteDeviceInfoLikeStmt      *sql.Stmt
+	insertDeviceAliasStmt         *sql.Stmt
+	listDeviceAliasesStmt         *sql.Stmt
+	listDeviceAssignmentsStmt     *sql.Stmt
+	listDeviceAuthStmt            *sql.Stmt
+	listDeviceInfosStmt           *sql.Stmt
+	replaceDeviceAssignmentStmt   *sql.Stmt
+	replaceDeviceAuthStmt         *sql.Stmt
+	replaceDeviceInfoStmt         *sql.Stmt
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db:                            tx,
+		tx:                            tx,
+		deleteDeviceAliasStmt:         q.deleteDeviceAliasStmt,
+		deleteDeviceAliasByIDStmt:     q.deleteDeviceAliasByIDStmt,
+		deleteDeviceAliasByIDLikeStmt: q.deleteDeviceAliasByIDLikeStmt,
+		deleteDeviceAssignmentStmt:    q.deleteDeviceAssignmentStmt,
+		deleteDeviceAuthStmt:          q.deleteDeviceAuthStmt,
+		deleteDeviceInfoStmt:          q.deleteDeviceInfoStmt,
+		deleteDeviceInfoByIDStmt:      q.deleteDeviceInfoByIDStmt,
+		deleteDeviceInfoLikeStmt:      q.deleteDeviceInfoLikeStmt,
+		insertDeviceAliasStmt:         q.insertDeviceAliasStmt,
+		listDeviceAliasesStmt:         q.listDeviceAliasesStmt,
+		listDeviceAssignmentsStmt:     q.listDeviceAssignmentsStmt,
+		listDeviceAuthStmt:            q.listDeviceAuthStmt,
+		listDeviceInfosStmt:           q.listDeviceInfosStmt,
+		replaceDeviceAssignmentStmt:   q.replaceDeviceAssignmentStmt,
+		replaceDeviceAuthStmt:         q.replaceDeviceAuthStmt,
+		replaceDeviceInfoStmt:         q.replaceDeviceInfoStmt,
+	}
+}

services/mysqldb/mysqlgen/device.sql.go

@@ -0,0 +1,301 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+// source: device.sql
+
+package mysqlgen
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const deleteDeviceAlias = `-- name: DeleteDeviceAlias :exec
+DELETE
+FROM device_alias
+WHERE id = ?
+  AND alias = ?
+`
+
+type DeleteDeviceAliasParams struct {
+	ID    string
+	Alias string
+}
+
+func (q *Queries) DeleteDeviceAlias(ctx context.Context, arg DeleteDeviceAliasParams) error {
+	_, err := q.exec(ctx, q.deleteDeviceAliasStmt, deleteDeviceAlias, arg.ID, arg.Alias)
+	return err
+}
+
+const deleteDeviceAliasByID = `-- name: DeleteDeviceAliasByID :exec
+DELETE
+FROM device_alias
+WHERE id = ?
+`
+
+func (q *Queries) DeleteDeviceAliasByID(ctx context.Context, id string) error {
+	_, err := q.exec(ctx, q.deleteDeviceAliasByIDStmt, deleteDeviceAliasByID, id)
+	return err
+}
+
+const deleteDeviceAliasByIDLike = `-- name: DeleteDeviceAliasByIDLike :exec
+DELETE
+FROM device_alias
+WHERE id LIKE ?
+`
+
+func (q *Queries) DeleteDeviceAliasByIDLike(ctx context.Context, id string) error {
+	_, err := q.exec(ctx, q.deleteDeviceAliasByIDLikeStmt, deleteDeviceAliasByIDLike, id)
+	return err
+}
+
+const deleteDeviceAssignment = `-- name: DeleteDeviceAssignment :exec
+DELETE
+FROM device_assignment
+WHERE id = ?
+`
+
+func (q *Queries) DeleteDeviceAssignment(ctx context.Context, id uuid.UUID) error {
+	_, err := q.exec(ctx, q.deleteDeviceAssignmentStmt, deleteDeviceAssignment, id)
+	return err
+}
+
+const deleteDeviceAuth = `-- name: DeleteDeviceAuth :exec
+DELETE
+FROM device_auth
+WHERE id = ?
+`
+
+func (q *Queries) DeleteDeviceAuth(ctx context.Context, id string) error {
+	_, err := q.exec(ctx, q.deleteDeviceAuthStmt, deleteDeviceAuth, id)
+	return err
+}
+
+const deleteDeviceInfo = `-- name: DeleteDeviceInfo :exec
+DELETE
+FROM device_info
+WHERE id = ?
+  AND kind = ?
+`
+
+type DeleteDeviceInfoParams struct {
+	ID   string
+	Kind string
+}
+
+func (q *Queries) DeleteDeviceInfo(ctx context.Context, arg DeleteDeviceInfoParams) error {
+	_, err := q.exec(ctx, q.deleteDeviceInfoStmt, deleteDeviceInfo, arg.ID, arg.Kind)
+	return err
+}
+
+const deleteDeviceInfoByID = `-- name: DeleteDeviceInfoByID :exec
+DELETE
+FROM device_info
+WHERE id = ?
+`
+
+func (q *Queries) DeleteDeviceInfoByID(ctx context.Context, id string) error {
+	_, err := q.exec(ctx, q.deleteDeviceInfoByIDStmt, deleteDeviceInfoByID, id)
+	return err
+}
+
+const deleteDeviceInfoLike = `-- name: DeleteDeviceInfoLike :exec
+DELETE
+FROM device_info
+WHERE id LIKE ?
+`
+
+func (q *Queries) DeleteDeviceInfoLike(ctx context.Context, id string) error {
+	_, err := q.exec(ctx, q.deleteDeviceInfoLikeStmt, deleteDeviceInfoLike, id)
+	return err
+}
+
+const insertDeviceAlias = `-- name: InsertDeviceAlias :exec
+INSERT INTO device_alias (id, alias)
+VALUES (?, ?)
+`
+
+type InsertDeviceAliasParams struct {
+	ID    string
+	Alias string
+}
+
+func (q *Queries) InsertDeviceAlias(ctx context.Context, arg InsertDeviceAliasParams) error {
+	_, err := q.exec(ctx, q.insertDeviceAliasStmt, insertDeviceAlias, arg.ID, arg.Alias)
+	return err
+}
+
+const listDeviceAliases = `-- name: ListDeviceAliases :many
+SELECT id, alias
+FROM device_alias
+`
+
+func (q *Queries) ListDeviceAliases(ctx context.Context) ([]DeviceAlias, error) {
+	rows, err := q.query(ctx, q.listDeviceAliasesStmt, listDeviceAliases)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []DeviceAlias{}
+	for rows.Next() {
+		var i DeviceAlias
+		if err := rows.Scan(&i.ID, &i.Alias); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listDeviceAssignments = `-- name: ListDeviceAssignments :many
+SELECT id, created_date, ` + "`" + `match` + "`" + `, effect
+FROM device_assignment
+ORDER BY created_date
+`
+
+func (q *Queries) ListDeviceAssignments(ctx context.Context) ([]DeviceAssignment, error) {
+	rows, err := q.query(ctx, q.listDeviceAssignmentsStmt, listDeviceAssignments)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []DeviceAssignment{}
+	for rows.Next() {
+		var i DeviceAssignment
+		if err := rows.Scan(
+			&i.ID,
+			&i.CreatedDate,
+			&i.Match,
+			&i.Effect,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listDeviceAuth = `-- name: ListDeviceAuth :many
+SELECT id, api_key, extras
+FROM device_auth
+`
+
+func (q *Queries) ListDeviceAuth(ctx context.Context) ([]DeviceAuth, error) {
+	rows, err := q.query(ctx, q.listDeviceAuthStmt, listDeviceAuth)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []DeviceAuth{}
+	for rows.Next() {
+		var i DeviceAuth
+		if err := rows.Scan(&i.ID, &i.ApiKey, &i.Extras); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listDeviceInfos = `-- name: ListDeviceInfos :many
+SELECT id, kind, data
+FROM device_info
+`
+
+func (q *Queries) ListDeviceInfos(ctx context.Context) ([]DeviceInfo, error) {
+	rows, err := q.query(ctx, q.listDeviceInfosStmt, listDeviceInfos)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []DeviceInfo{}
+	for rows.Next() {
+		var i DeviceInfo
+		if err := rows.Scan(&i.ID, &i.Kind, &i.Data); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const replaceDeviceAssignment = `-- name: ReplaceDeviceAssignment :exec
+REPLACE INTO device_assignment (id, created_date, ` + "`" + `match` + "`" + `, effect)
+VALUES (?, ?, ?, ?)
+`
+
+type ReplaceDeviceAssignmentParams struct {
+	ID          uuid.UUID
+	CreatedDate time.Time
+	Match       string
+	Effect      json.RawMessage
+}
+
+func (q *Queries) ReplaceDeviceAssignment(ctx context.Context, arg ReplaceDeviceAssignmentParams) error {
+	_, err := q.exec(ctx, q.replaceDeviceAssignmentStmt, replaceDeviceAssignment,
+		arg.ID,
+		arg.CreatedDate,
+		arg.Match,
+		arg.Effect,
+	)
+	return err
+}
+
+const replaceDeviceAuth = `-- name: ReplaceDeviceAuth :exec
+REPLACE INTO device_auth (id, api_key, extras)
+VALUES (?, ?, ?)
+`
+
+type ReplaceDeviceAuthParams struct {
+	ID     string
+	ApiKey string
+	Extras json.RawMessage
+}
+
+func (q *Queries) ReplaceDeviceAuth(ctx context.Context, arg ReplaceDeviceAuthParams) error {
+	_, err := q.exec(ctx, q.replaceDeviceAuthStmt, replaceDeviceAuth, arg.ID, arg.ApiKey, arg.Extras)
+	return err
+}
+
+const replaceDeviceInfo = `-- name: ReplaceDeviceInfo :exec
+REPLACE INTO device_info (id, kind, data)
+VALUES (?, ?, ?)
+`
+
+type ReplaceDeviceInfoParams struct {
+	ID   string
+	Kind string
+	Data json.RawMessage
+}
+
+func (q *Queries) ReplaceDeviceInfo(ctx context.Context, arg ReplaceDeviceInfoParams) error {
+	_, err := q.exec(ctx, q.replaceDeviceInfoStmt, replaceDeviceInfo, arg.ID, arg.Kind, arg.Data)
+	return err
+}

services/mysqldb/mysqlgen/models.go

@@ -0,0 +1,36 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+
+package mysqlgen
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type DeviceAlias struct {
+	ID    string
+	Alias string
+}
+
+type DeviceAssignment struct {
+	ID          uuid.UUID
+	CreatedDate time.Time
+	Match       string
+	Effect      json.RawMessage
+}
+
+type DeviceAuth struct {
+	ID     string
+	ApiKey string
+	Extras json.RawMessage
+}
+
+type DeviceInfo struct {
+	ID   string
+	Kind string
+	Data json.RawMessage
+}

services/mysqldb/queries/device.sql

@@ -0,0 +1,74 @@
+-- name: ListDeviceInfos :many
+SELECT *
+FROM device_info;
+
+-- name: ListDeviceAssignments :many
+SELECT *
+FROM device_assignment
+ORDER BY created_date;
+
+-- name: ListDeviceAuth :many
+SELECT *
+FROM device_auth;
+
+-- name: ListDeviceAliases :many
+SELECT *
+FROM device_alias;
+
+-- name: InsertDeviceAlias :exec
+INSERT INTO device_alias (id, alias)
+VALUES (?, ?);
+
+-- name: ReplaceDeviceAuth :exec
+REPLACE INTO device_auth (id, api_key, extras)
+VALUES (?, ?, ?);
+
+-- name: ReplaceDeviceInfo :exec
+REPLACE INTO device_info (id, kind, data)
+VALUES (?, ?, ?);
+
+-- name: ReplaceDeviceAssignment :exec
+REPLACE INTO device_assignment (id, created_date, `match`, effect)
+VALUES (?, ?, ?, ?);
+
+-- name: DeleteDeviceInfo :exec
+DELETE
+FROM device_info
+WHERE id = ?
+  AND kind = ?;
+
+-- name: DeleteDeviceInfoByID :exec
+DELETE
+FROM device_info
+WHERE id = ?;
+
+-- name: DeleteDeviceInfoLike :exec
+DELETE
+FROM device_info
+WHERE id LIKE ?;
+
+-- name: DeleteDeviceAssignment :exec
+DELETE
+FROM device_assignment
+WHERE id = ?;
+
+-- name: DeleteDeviceAuth :exec
+DELETE
+FROM device_auth
+WHERE id = ?;
+
+-- name: DeleteDeviceAlias :exec
+DELETE
+FROM device_alias
+WHERE id = ?
+  AND alias = ?;
+
+-- name: DeleteDeviceAliasByID :exec
+DELETE
+FROM device_alias
+WHERE id = ?;
+
+-- name: DeleteDeviceAliasByIDLike :exec
+DELETE
+FROM device_alias
+WHERE id LIKE ?;

services/mysqldb/service.go

@@ -0,0 +1,321 @@
+package mysqldb
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	lucifer3 "git.aiterp.net/lucifer3/server"
+	"git.aiterp.net/lucifer3/server/commands"
+	"git.aiterp.net/lucifer3/server/effects"
+	"git.aiterp.net/lucifer3/server/events"
+	"git.aiterp.net/lucifer3/server/internal/gentools"
+	"git.aiterp.net/lucifer3/server/services/mysqldb/mysqlgen"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+type database struct {
+	db *sql.DB
+}
+
+func (d *database) Active() bool {
+	return true
+}
+
+func (d *database) HandleEvent(bus *lucifer3.EventBus, event lucifer3.Event) {
+	q := mysqlgen.New(d.db)
+	timeout, cancel := context.WithTimeout(context.Background(), time.Second/2)
+	defer cancel()
+
+	switch event := event.(type) {
+	case events.Started:
+		timeout, cancel := context.WithTimeout(context.Background(), time.Second*10)
+		defer cancel()
+
+		// Fetch all aliases first
+		aliases, err := q.ListDeviceAliases(timeout)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_list_aliases",
+				Message: "Database could not list aliases: " + err.Error(),
+			})
+		}
+
+		auths, err := q.ListDeviceAuth(timeout)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_list_device_infos",
+				Message: "Hardware State serialization failed: " + err.Error(),
+			})
+		}
+		for _, auth := range auths {
+			bus.RunCommand(commands.ConnectDevice{
+				ID:     auth.ID,
+				APIKey: auth.ApiKey,
+			})
+		}
+
+		infos, err := q.ListDeviceInfos(timeout)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_list_device_infos",
+				Message: "Hardware State serialization failed: " + err.Error(),
+			})
+		}
+		for _, info := range infos {
+			switch info.Kind {
+			case "hardware_state":
+				staleEvent := events.HardwareState{}
+				err := json.Unmarshal(info.Data, &staleEvent)
+				if err == nil {
+					bus.RunEvent(staleEvent)
+				}
+			case "hardware_metadata":
+				staleEvent := events.HardwareMetadata{}
+				err := json.Unmarshal(info.Data, &staleEvent)
+				if err == nil {
+					bus.RunEvent(staleEvent)
+				}
+			}
+		}
+
+		// Run the aliases now
+		for _, alias := range aliases {
+			bus.RunCommand(commands.AddAlias{
+				Match: alias.ID,
+				Alias: alias.Alias,
+			})
+		}
+
+		assignments, err := q.ListDeviceAssignments(timeout)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_list_assignments",
+				Message: "Database could not list assignments: " + err.Error(),
+			})
+		}
+		for _, ass := range assignments {
+			effect := effects.Serializable{}
+			err := json.Unmarshal(ass.Effect, &effect)
+			if err != nil {
+				bus.RunEvent(events.Log{
+					Level:   "error",
+					Code:    "database_could_not_deserialize_effect",
+					Message: err.Error(),
+				})
+				continue
+			}
+
+			bus.RunCommand(commands.Assign{
+				ID:     gentools.ShallowCopy(&ass.ID),
+				Match:  ass.Match,
+				Effect: effect.Effect,
+			})
+		}
+
+	case events.DeviceAccepted:
+		if event.Extras == nil {
+			event.Extras = map[string]string{}
+		}
+
+		extras, err := json.Marshal(event.Extras)
+		if err != nil {
+			extras = []byte("{}")
+		}
+
+		err = q.ReplaceDeviceAuth(timeout, mysqlgen.ReplaceDeviceAuthParams{
+			ID:     event.ID,
+			ApiKey: event.APIKey,
+			Extras: extras,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_save_device_auth",
+				Message: "Device auth save failed: " + err.Error(),
+			})
+		}
+
+	case events.HardwareState:
+		if event.Stale {
+			return
+		}
+
+		event.Stale = true
+		serialized, err := json.Marshal(event)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_serialize_hardware_state",
+				Message: "Hardware State serialization failed: " + err.Error(),
+			})
+			return
+		}
+
+		err = q.ReplaceDeviceInfo(timeout, mysqlgen.ReplaceDeviceInfoParams{
+			ID:   event.ID,
+			Kind: "hardware_state",
+			Data: serialized,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_save_hardware_state",
+				Message: err.Error(),
+			})
+
+			return
+		}
+
+	case events.HardwareMetadata:
+		if event.Stale {
+			return
+		}
+
+		event.Stale = true
+		serialized, err := json.Marshal(event)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_serialize_hardware_state",
+				Message: "Hardware State serialization failed: " + err.Error(),
+			})
+			return
+		}
+
+		err = q.ReplaceDeviceInfo(timeout, mysqlgen.ReplaceDeviceInfoParams{
+			ID:   event.ID,
+			Kind: "hardware_metadata",
+			Data: serialized,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_save_hardware_state",
+				Message: err.Error(),
+			})
+
+			return
+		}
+
+	case events.AssignmentCreated:
+		serialized, err := json.Marshal(&effects.Serializable{Effect: event.Effect})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_serialize_effect",
+				Message: err.Error(),
+			})
+			return
+		}
+
+		err = q.ReplaceDeviceAssignment(timeout, mysqlgen.ReplaceDeviceAssignmentParams{
+			ID:          event.ID,
+			CreatedDate: time.Now().UTC(),
+			Match:       event.Match,
+			Effect:      serialized,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_save_assignment",
+				Message: err.Error(),
+			})
+			return
+		}
+
+	case events.AssignmentRemoved:
+		err := q.DeleteDeviceAssignment(timeout, event.ID)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_assignment",
+				Message: err.Error(),
+			})
+			return
+		}
+
+	case events.AliasAdded:
+		err := q.InsertDeviceAlias(timeout, mysqlgen.InsertDeviceAliasParams{
+			ID:    event.ID,
+			Alias: event.Alias,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_assignment",
+				Message: err.Error(),
+			})
+			return
+		}
+
+	case events.AliasRemoved:
+		err := q.DeleteDeviceAlias(timeout, mysqlgen.DeleteDeviceAliasParams{
+			ID:    event.ID,
+			Alias: event.Alias,
+		})
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_assignment",
+				Message: err.Error(),
+			})
+			return
+		}
+
+	case events.DeviceForgotten:
+		err := q.DeleteDeviceInfoByID(timeout, event.ID)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_info",
+				Message: "Failed to remove device info: " + err.Error(),
+			})
+		}
+		_ = q.DeleteDeviceAuth(timeout, event.ID)
+		err = q.DeleteDeviceAliasByID(timeout, event.ID)
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_aliases",
+				Message: "Failed to remove device aliases: " + err.Error(),
+			})
+		}
+		err = q.DeleteDeviceAliasByIDLike(timeout, event.ID+":%")
+		if err != nil {
+			bus.RunEvent(events.Log{
+				Level:   "error",
+				Code:    "database_could_not_remove_sub_aliases",
+				Message: "Failed to remove sub-device aliases: " + err.Error(),
+			})
+		}
+	}
+}
+
+func (d *database) HandleCommand(*lucifer3.EventBus, lucifer3.Command) {}
+
+func Connect(host string, port int, username, password, dbname string) (lucifer3.ActiveService, error) {
+	db, err := sql.Open("mysql", fmt.Sprintf(
+		"%s:%s@(%s:%d)/%s?parseTime=true", username, password, host, port, dbname,
+	))
+	if err != nil {
+		return nil, err
+	}
+
+	db.SetMaxOpenConns(10)
+	db.SetMaxIdleConns(10)
+	db.SetConnMaxIdleTime(time.Minute)
+
+	err = db.Ping()
+	if err != nil {
+		return nil, err
+	}
+
+	return &database{db: db}, nil
+}

services/mysqldb/sqltypes/nullrawmessage.go

@@ -0,0 +1,36 @@
+package sqltypes
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+)
+
+type NullRawMessage struct {
+	RawMessage json.RawMessage
+	Valid      bool
+}
+
+func (n *NullRawMessage) Scan(value interface{}) error {
+	if value == nil {
+		n.RawMessage, n.Valid = json.RawMessage{}, false
+		return nil
+	}
+	buf, ok := value.([]byte)
+
+	if !ok {
+		return errors.New("cannot parse to bytes")
+	}
+
+	n.RawMessage, n.Valid = buf, true
+
+	return nil
+}
+
+func (n NullRawMessage) Value() (driver.Value, error) {
+	if !n.Valid {
+		return nil, nil
+	}
+
+	return []byte(n.RawMessage), nil
+}

services/resolver.go

@@ -79,12 +79,27 @@ func (r *Resolver) HandleEvent(_ *lucifer3.EventBus, event lucifer3.Event) {
 	}
 }
 
-func (r *Resolver) HandleCommand(_ *lucifer3.EventBus, command lucifer3.Command) {
+func (r *Resolver) HandleCommand(bus *lucifer3.EventBus, command lucifer3.Command) {
+	var aliasEvents []lucifer3.Event
+
 	switch command := command.(type) {
 	case commands.AddAlias:
 		r.mu.Lock()
 		for _, ptr := range r.resolve(command.Match) {
-			ptr.AddAlias(command.Alias)
+			added, removed := ptr.AddAlias(command.Alias)
+
+			if added != nil {
+				aliasEvents = append(aliasEvents, events.AliasAdded{
+					ID:    ptr.ID,
+					Alias: *added,
+				})
+			}
+			if removed != nil {
+				aliasEvents = append(aliasEvents, events.AliasRemoved{
+					ID:    ptr.ID,
+					Alias: *removed,
+				})
+			}
 		}
 		if strings.HasPrefix(command.Alias, "lucifer:name:") {
 			r.sortPointers()
@@ -94,13 +109,22 @@ func (r *Resolver) HandleCommand(_ *lucifer3.EventBus, command lucifer3.Command)
 	case commands.RemoveAlias:
 		r.mu.Lock()
 		for _, ptr := range r.resolve(command.Match) {
-			ptr.RemoveAlias(command.Alias)
+			if ptr.RemoveAlias(command.Alias) {
+				aliasEvents = append(aliasEvents, events.AliasRemoved{
+					ID:    ptr.ID,
+					Alias: command.Alias,
+				})
+			}
 		}
 		if strings.HasPrefix(command.Alias, "lucifer:name:") {
 			r.sortPointers()
 		}
 		r.mu.Unlock()
 	}
+
+	if len(aliasEvents) > 0 {
+		go bus.RunEvents(aliasEvents)
+	}
 }
 
 func (r *Resolver) ensure(id string) *device.Pointer {

sqlc.yaml

@@ -0,0 +1,28 @@
+version: "1"
+packages:
+  - name: "mysqlgen"
+    path: "./services/mysqldb/mysqlgen"
+    queries: "./services/mysqldb/queries"
+    schema: "./services/mysqldb/migrations"
+    engine: "mysql"
+    emit_prepared_queries: true
+    emit_interface: false
+    emit_exact_table_names: false
+    emit_empty_slices: true
+    emit_json_tags: false
+overrides:
+  - go_type: "git.aiterp.net/lucifer3/server/services/mysqldb/sqltypes.NullRawMessage"
+    db_type: "json"
+    nullable: true
+  - go_type: "float64"
+    db_type: "float"
+  - go_type: "float64"
+    db_type: "float"
+    nullable: true
+  - go_type: "int"
+    db_type: "int"
+  - go_type: "github.com/google/uuid.UUID"
+    db_type: "char"
+  - go_type: "github.com/google/uuid.NullUUID"
+    db_type: "char"
+    nullable: true