new and improved Resolver.

cmd/bustest/main.go

@@ -6,16 +6,16 @@ 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/color"
-	"git.aiterp.net/lucifer3/server/internal/gentools"
 	"git.aiterp.net/lucifer3/server/services"
+	"log"
 	"time"
 )
 
 func main() {
 	bus := lucifer3.EventBus{}
 
-	bus.Join(services.Resolver())
+	resolver := services.NewResolver()
+	bus.Join(resolver)
 
 	bus.RunEvent(events.Connected{Prefix: "nanoleaf:10.80.1.11"})
 
@@ -32,24 +32,25 @@ func main() {
 	}
 
 	bus.RunCommand(commands.ReplaceScene{
-		IDs:     []string{"lucifer:name:Hexagon*"},
+		Match:   "lucifer:name:Hex*",
 		SceneID: 7,
 	})
 
-	time.Sleep(time.Second / 4)
+	time.Sleep(time.Second / 8)
 
-	for _, id := range []string{"nanoleaf:10.80.1.11:e28c", "nanoleaf:10.80.1.11:67db", "nanoleaf:10.80.1.11:f744", "nanoleaf:10.80.1.11:d057", "nanoleaf:10.80.1.11:73c1"} {
-		bus.RunCommand(commands.SetState{
-			ID: id,
-			State: device.State{
-				Power:     gentools.Ptr(true),
-				Intensity: gentools.Ptr(0.75),
-				Color:     gentools.Ptr(color.MustParse("xy:0.3209,0.1542")),
-			},
+	bus.RunCommand(commands.AddAlias{
+		Match: "nanoleaf:10.80.1.{11,7,16,5}:*",
+		Alias: "lucifer:tag:Magic Lamps",
 	})
-	}
 
-	time.Sleep(time.Second / 2)
+	time.Sleep(time.Second / 8)
+
+	bus.RunCommand(commands.ReplaceScene{
+		Match:   "lucifer:name:Hex*",
+		SceneID: 7,
+	})
+
+	time.Sleep(time.Second / 8)
 
 	bus.RunEvent(events.HardwareState{
 		ID:           "nanoleaf:10.80.1.11:40e5",
@@ -58,21 +59,14 @@ func main() {
 		ColorFlags:   device.CFlagRGB,
 		State:        device.State{},
 	})
-	bus.RunCommand(commands.ReplaceScene{
-		IDs:     []string{"lucifer:name:Hexagon*"},
-		SceneID: 7,
-	})
 
-	time.Sleep(time.Second / 4)
+	time.Sleep(time.Second / 8)
 
-	bus.RunCommand(commands.SetState{
-		ID: "nanoleaf:10.80.1.11:40e5",
-		State: device.State{
-			Power:     gentools.Ptr(true),
-			Intensity: gentools.Ptr(0.75),
-			Color:     gentools.Ptr(color.MustParse("xy:0.3209,0.1542")),
-		},
-	})
+	log.Println("Search \"**:Hexagon {1,5,6}\"")
+	for _, dev := range resolver.Resolve("lucifer:name:Hexagon {1,5,6}") {
+		log.Println("- ID:", dev.ID)
+		log.Println("  Aliases:", dev.Aliases)
+	}
 
 	time.Sleep(time.Second / 4)
 }

commands/edit.go

@@ -2,32 +2,22 @@ package commands
 
 import (
 	"fmt"
-	"git.aiterp.net/lucifer3/server/internal/formattools"
 )
 
-type SetName struct {
-	ID   string
-	Name string
+type AddAlias struct {
+	Match string
+	Alias string
 }
 
-func (c SetName) CommandDescription() string {
-	return fmt.Sprintf("SetName(%v, %s)", c.ID, c.Name)
+func (c AddAlias) CommandDescription() string {
+	return fmt.Sprintf("AddAlias(%v, %v)", c.Match, c.Alias)
 }
 
-type AddTag struct {
-	IDs []string
-	Tag string
+type RemoveAlias struct {
+	Match string
+	Alias string
 }
 
-func (c AddTag) CommandDescription() string {
-	return fmt.Sprintf("AddTag(%v, %s)", formattools.CompactIDList(c.IDs), c.Tag)
-}
-
-type RemoveTag struct {
-	IDs []string
-	Tag string
-}
-
-func (c RemoveTag) CommandDescription() string {
-	return fmt.Sprintf("RemoveTag(%v, %s)", formattools.CompactIDList(c.IDs), c.Tag)
+func (c RemoveAlias) CommandDescription() string {
+	return fmt.Sprintf("RemoveAlias(%v, %v)", c.Match, c.Alias)
 }

commands/scene.go

@@ -2,22 +2,21 @@ package commands
 
 import (
 	"fmt"
-	"git.aiterp.net/lucifer3/server/internal/formattools"
 )
 
 type ReplaceScene struct {
-	IDs     []string `json:"ids"`
+	Match   string `json:"match"`
 	SceneID int64  `json:"sceneId"`
 }
 
 func (c ReplaceScene) CommandDescription() string {
-	return fmt.Sprintf("ReplaceScene(%v, %d)", formattools.CompactIDList(c.IDs), c.SceneID)
+	return fmt.Sprintf("ReplaceScene(%v, %d)", c.Match, c.SceneID)
 }
 
 type ClearScene struct {
-	IDs []string `json:"ids"`
+	Match string `json:"match"`
 }
 
 func (c ClearScene) CommandDescription() string {
-	return fmt.Sprintf("ClearScene(%v)", formattools.CompactIDList(c.IDs))
+	return fmt.Sprintf("ClearScene(%v)", c.Match)
 }

device/Resolver.go

@@ -0,0 +1,5 @@
+package device
+
+type Resolver interface {
+	Resolve(pattern string) []Pointer
+}

device/pointer.go

@@ -0,0 +1,65 @@
+package device
+
+import (
+	"strings"
+)
+
+type PointerMatcher interface {
+	Match(str string) bool
+}
+
+type Pointer struct {
+	ID      string   `json:"id"`
+	Aliases []string `json:"aliases"`
+}
+
+func (p *Pointer) AddAlias(alias string) {
+	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:]...)
+				break
+			}
+		}
+	}
+
+	for _, alias2 := range p.Aliases {
+		if alias2 == alias {
+			return
+		}
+	}
+
+	p.Aliases = append(p.Aliases, alias)
+}
+
+func (p *Pointer) RemoveAlias(alias string) {
+	for i, alias2 := range p.Aliases {
+		if alias2 == alias {
+			p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...)
+			break
+		}
+	}
+}
+
+func (p *Pointer) Name() string {
+	for _, alias := range p.Aliases {
+		if strings.HasPrefix(alias, "lucifer:name:") {
+			return alias
+		}
+	}
+
+	return ""
+}
+
+func (p *Pointer) Matches(matcher PointerMatcher) bool {
+	if matcher.Match(p.ID) {
+		return true
+	}
+	for _, alias := range p.Aliases {
+		if matcher.Match(alias) {
+			return true
+		}
+	}
+
+	return false
+}

go.mod

@@ -3,3 +3,5 @@ module git.aiterp.net/lucifer3/server
 go 1.19
 
 require github.com/lucasb-eyer/go-colorful v1.2.0
+
+require github.com/gobwas/glob v0.2.3 // indirect

go.sum

@@ -1,2 +1,4 @@
+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/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=

services/resolver.go

@@ -3,143 +3,105 @@ package services
 import (
 	lucifer3 "git.aiterp.net/lucifer3/server"
 	"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"
-	"reflect"
-	"strings"
+	"github.com/gobwas/glob"
+	"sync"
 )
 
-func Resolver() lucifer3.Service {
-	return &resolver{
-		tags:  make(map[string][]string),
-		names: make(map[string][]string),
+func NewResolver() *Resolver {
+	return &Resolver{
+		pointers: make([]*device.Pointer, 0, 128),
 	}
 }
 
-type resolver struct {
-	tags  map[string][]string
-	names map[string][]string
+// Resolver implements both device.Resolver and lucifer3.Service. There should be only one of them as it keeps its
+// state from event-sourcery.
+type Resolver struct {
+	mu       sync.Mutex
+	pointers []*device.Pointer
 }
 
-func (r *resolver) Active() bool {
-	return true
-}
-
-func (r *resolver) HandleEvent(_ *lucifer3.EventBus, event lucifer3.Event) {
-	switch event := event.(type) {
-	case events.HardwareState:
-		// On HardwareState, use the internal name if (and only if) it is not already named.
-
-		if event.InternalName != "" {
-			found := false
-			for _, ids := range r.names {
-				i := gentools.IndexOf(ids, event.ID)
-				if i != -1 {
-					found = true
-					break
+func (r *Resolver) ensure(id string) *device.Pointer {
+	for _, ptr := range r.pointers {
+		if ptr.ID == id {
+			return ptr
 		}
 	}
 
-			if !found {
-				r.names[event.InternalName] = append(r.names[event.InternalName], event.ID)
-			}
-		}
-	}
+	r.pointers = append(r.pointers, &device.Pointer{
+		ID: id,
+	})
+
+	return r.pointers[len(r.pointers)-1]
 }
 
-func (r *resolver) rerun(bus *lucifer3.EventBus, resolveList *[]string, command interface{}) {
-	newList := make([]string, 0, 16)
-
-	for _, id := range *resolveList {
-		switch {
-		case strings.HasPrefix(id, "lucifer:tag:"):
-			tag := id[12:]
-			if len(newList) == 0 {
-				newList = append(newList, r.tags[tag]...)
-			} else {
-				gentools.AddUniques(&newList, r.tags[tag]...)
-			}
-		case strings.HasPrefix(id, "lucifer:name:"):
-			name := id[13:]
-			if strings.HasSuffix(name, "*") {
-				prefix := name[:len(name)-1]
-				for name, ids := range r.names {
-					if strings.HasPrefix(name, prefix) {
-						gentools.AddUniques(&newList, ids...)
-					}
-				}
-			} else if strings.HasPrefix(name, "*") {
-				suffix := name[1:]
-				for name, ids := range r.names {
-					if strings.HasSuffix(name, suffix) {
-						gentools.AddUniques(&newList, ids...)
-					}
-				}
-			} else {
-				gentools.AddUniques(&newList, r.names[name]...)
+func (r *Resolver) resolve(pattern string) []*device.Pointer {
+	g, err := glob.Compile(pattern, ':')
+	if err != nil {
+		return []*device.Pointer{}
 	}
+
+	res := make([]*device.Pointer, 0, 32)
+	for _, ptr := range r.pointers {
+		if ptr.Matches(g) {
+			res = append(res, ptr)
 		}
 	}
 
-	if len(newList) > 0 {
-		*resolveList = newList
+	return res
+}
 
-		bus.RunCommand(reflect.Indirect(reflect.ValueOf(command)).Interface().(lucifer3.Command))
+func (r *Resolver) Resolve(pattern string) []device.Pointer {
+	g, err := glob.Compile(pattern, ':')
+	if err != nil {
+		return []device.Pointer{}
 	}
-}
 
-func (r *resolver) HandleCommand(bus *lucifer3.EventBus, command lucifer3.Command) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
 
-	switch command := command.(type) {
-	case commands.Assign:
-		r.rerun(bus, &command.IDs, &command)
-	case commands.ReplaceScene:
-		r.rerun(bus, &command.IDs, &command)
-	case commands.ClearScene:
-		r.rerun(bus, &command.IDs, &command)
-	case commands.SetName:
-		if !strings.HasPrefix(command.ID, "lucifer:") {
-			for name := range r.names {
-				i := gentools.IndexOf(r.names[name], command.ID)
-				if i != -1 {
-					r.names[name] = append(r.names[name][:i], r.names[name][i+1:]...)
-				}
-			}
-			r.names[command.Name] = append(r.names[command.Name], command.ID)
+	res := make([]device.Pointer, 0, 32)
+	for _, ptr := range r.pointers {
+		if ptr.Matches(g) {
+			res = append(res, *ptr)
 		}
-	case commands.AddTag:
-		for _, id := range command.IDs {
-			if strings.HasPrefix(id, "lucifer:") {
-				continue
 	}
 
-			found := false
-			for _, id2 := range r.tags[command.Tag] {
-				if id == id2 {
-					found = true
-					break
-				}
-			}
-			if !found {
-				r.tags[command.Tag] = append(r.tags[command.Tag], id)
-			}
-		}
+	return res
+}
 
-		r.rerun(bus, &command.IDs, &command)
-	case commands.RemoveTag:
-		for _, id := range command.IDs {
-			if strings.HasPrefix(id, "lucifer:") {
-				continue
-			}
+func (r *Resolver) Active() bool {
+	return true
+}
 
-			for i, id2 := range r.tags[command.Tag] {
-				if id == id2 {
-					r.tags[command.Tag] = append(r.tags[command.Tag][:i], r.tags[command.Tag][i+1:]...)
-					break
+func (r *Resolver) HandleEvent(_ *lucifer3.EventBus, event lucifer3.Event) {
+	switch event := event.(type) {
+	// On HardwareState, use the internal name if (and only if) it is not already named.
+	case events.HardwareState:
+		r.mu.Lock()
+		ptr := r.ensure(event.ID)
+		if event.InternalName != "" && ptr.Name() == "" {
+			ptr.AddAlias("lucifer:name:" + event.InternalName)
 		}
+		r.mu.Unlock()
 	}
+}
+
+func (r *Resolver) HandleCommand(_ *lucifer3.EventBus, command lucifer3.Command) {
+	switch command := command.(type) {
+	case commands.AddAlias:
+		r.mu.Lock()
+		for _, ptr := range r.resolve(command.Match) {
+			ptr.AddAlias(command.Alias)
 		}
+		r.mu.Unlock()
 
-		r.rerun(bus, &command.IDs, &command)
+	case commands.RemoveAlias:
+		r.mu.Lock()
+		for _, ptr := range r.resolve(command.Match) {
+			ptr.AddAlias(command.Alias)
+		}
+		r.mu.Unlock()
 	}
 }