X-Git-Url: https://git.giacomolli.uk/onechat/blobdiff_plain/75b9579355e1adcdbb1255a7e8e4582e0a431f3d..b1be0ee8530df5db8973bfe355f2f6d3149383a0:/daemon.go?ds=sidebyside

diff --git a/daemon.go b/daemon.go
index 4c0f466..5c94a4f 100644
--- a/daemon.go
+++ b/daemon.go
@@ -7,7 +7,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"net"
 	"os"
 	"path/filepath"
@@ -25,12 +24,13 @@ const (
 	daemonClientEvents = 1024
 )
 
-// daemon runs "onechat daemon": it owns the root agent and its files and serves
-// the clients on the Unix socket in the data directory until ctx ends. When
-// telegram.json exists, it also runs the Telegram bot. It also keeps a linked
-// WhatsApp device connected. It holds the lock of the token file, so it is the
-// only process that refreshes the tokens and opens the WhatsApp session. Its
-// log lines go to out, through the loggers of daemonLogger.
+// daemon runs "onechat daemon": it owns the root, its children, and their
+// files, and serves the clients on the Unix socket in the data directory until
+// ctx ends. When telegram.json exists, it also runs the Telegram bot. It also
+// keeps a linked WhatsApp device connected. It holds the lock of the token
+// file, so it is the only process that refreshes the tokens and opens the
+// WhatsApp session. Its log lines go to out, through the loggers of
+// daemonLogger.
 func daemon(ctx context.Context, out io.Writer) (err error) {
 	dir, err := dataDir()
 	if err != nil {
@@ -65,6 +65,7 @@ func daemon(ctx context.Context, out io.Writer) (err error) {
 	}()
 
 	whatsappSetDeviceProps()
+
 	logger := daemonLogger(out, "onechat: ")
 	whatsapp, err := openWhatsApp(ctx, dir, time.Now, daemonLogger(out, "whatsapp: "), whatsappNewClient)
 	if err != nil {
@@ -80,58 +81,50 @@ func daemon(ctx context.Context, out io.Writer) (err error) {
 		return err
 	}
 
-	agent, err := openAgent(filepath.Join(dir, daemonAgentDirName))
-	if err != nil {
-		return err
-	}
-
-	client := newModelClient(address, auth, agent.CacheKey(), filepath.Join(agent.dir, "usage.jsonl"))
-	memory, err := openMemory(ctx, agent.dir, time.Now, newCompactor(client, agent.Prompt, config.Compactor))
+	agents, err := openDaemonAgents(ctx, dir, address, auth, config.Compactor, time.Now, logger)
 	if err != nil {
 		return err
 	}
 
 	defer func() {
-		err = errors.Join(err, memory.Close())
+		err = errors.Join(err, agents.Close())
 	}()
 
-	schedules, err := openSchedules(filepath.Join(agent.dir, scheduleFileName), time.Now)
-	if err != nil {
-		return err
-	}
-
-	subagents := newSubagents(filepath.Join(agent.dir, subagentDirName), time.Now, subagentNameRandom)
-	defer func() {
-		err = errors.Join(err, subagents.Close())
-	}()
+	root := agents[0]
+	agent := root.agent
+	schedules := root.schedules
 
 	listener, err := daemonListenSocket(socket)
 	if err != nil {
 		return err
 	}
 
-	linked := "WhatsApp is not linked"
+	linked := "not linked"
 	if whatsapp.isLinked() {
-		linked = "WhatsApp is linked"
+		linked = "linked"
 	}
 
-	logger.Printf("%s is ready: socket %s, model %s at %s effort, commands run in %s, %s, active schedules: %d", agent.config.Name, listener.Addr(), agent.config.Model, agent.config.Effort, agent.config.Workdir, linked, schedules.Len())
+	logger.Info("ready", "version", version, "socket", listener.Addr(), "model", agent.config.Model, "effort", agent.config.Effort, "workdir", agent.config.Workdir, "whatsapp", linked, "schedules", schedules.Len(), "children", agents.ChildNames())
 
 	var telegram *TelegramBot
+
 	if hasBot {
 		telegram = newTelegramBot(newTelegramAPI(telegramAPIURL, botSettings.Token), botSettings.Owner, filepath.Join(agent.dir, telegramOffsetFileName), daemonLogger(out, "telegram: "))
-		logger.Print("the Telegram bot waits for messages of its owner")
+
+		logger.Info("Telegram bot started")
 	}
 
 	return daemonServe(ctx, listener, telegram, whatsapp, schedules, func(notify func(Event)) (*TurnLoop, error) {
-		return newTurnLoop(agent, memory, subagents, whatsapp, schedules, client, time.Now, notify)
-	})
+		return root.Loop(whatsapp, notify)
+	}, agents[1:]...)
 }
 
 // DaemonHub holds the connected clients and sends each event to all of them. It
-// runs the WhatsApp commands of the clients on whatsapp.
+// runs the WhatsApp commands of the clients on whatsapp. snapshot locks all
+// agents and subagents during a backup copy.
 type DaemonHub struct {
 	whatsapp *WhatsApp
+	snapshot func(context.Context, func() error) error
 
 	mutex   sync.Mutex
 	clients map[*DaemonClient]bool
@@ -154,10 +147,12 @@ func (h *DaemonHub) Accept(ctx context.Context, listener net.Listener, l *TurnLo
 		}
 
 		h.mutex.Lock()
+
 		h.clients[client] = true
 		h.mutex.Unlock()
 
 		h.workers.Add(2)
+
 		go h.write(client)
 		go h.read(ctx, client, l)
 
@@ -194,16 +189,30 @@ func (h *DaemonHub) read(ctx context.Context, client *DaemonClient, l *TurnLoop)
 
 	scanner := bufio.NewScanner(client.conn)
 	scanner.Buffer(make([]byte, 64*1024), socketRequestBytes)
+
 	for ctx.Err() == nil && scanner.Scan() {
 		var request SocketRequest
+
 		err := json.Unmarshal(scanner.Bytes(), &request)
 		if err == nil {
-			err = daemonRunRequest(l, h.whatsapp, request, func(text string) {
-				h.Send(client, Event{
-					Kind: "notice",
-					Text: text,
+			if request.Type == "backup" {
+				var size int64
+
+				size, err = backupData(ctx, filepath.Dir(l.agent.dir), request.Text, h.whatsapp, h.snapshot)
+				if err == nil {
+					h.Send(client, Event{
+						Kind: "backup",
+						Text: fmt.Sprintf("%s (%d bytes)", request.Text, size),
+					})
+				}
+			} else {
+				err = daemonRunRequest(l, h.whatsapp, request, func(text string) {
+					h.Send(client, Event{
+						Kind: "notice",
+						Text: text,
+					})
 				})
-			})
+			}
 		}
 
 		if err != nil {
@@ -251,6 +260,7 @@ func (h *DaemonHub) remove(client *DaemonClient) {
 	delete(h.clients, client)
 	client.once.Do(func() {
 		close(client.events)
+
 		_ = client.conn.Close()
 	})
 }
@@ -268,9 +278,11 @@ func (h *DaemonHub) Broadcast(event Event) {
 // CloseAll drops every client and waits for their readers and writers.
 func (h *DaemonHub) CloseAll() {
 	h.mutex.Lock()
+
 	for client := range h.clients {
 		h.remove(client)
 	}
+
 	h.mutex.Unlock()
 
 	h.workers.Wait()
@@ -316,8 +328,10 @@ func daemonListenSocket(path string) (net.Listener, error) {
 // logs its batches and notes in the loop and tells all clients its notices, and
 // a failure of whatsapp stops the agent. It runs schedules, which log their
 // runs in the loop, and a failure of schedules stops the agent too. When bot is
-// not nil, it runs the bot too, and a failure of the bot stops the agent.
-func daemonServe(ctx context.Context, listener net.Listener, bot *TelegramBot, whatsapp *WhatsApp, schedules *Schedules, start func(notify func(Event)) (*TurnLoop, error)) error {
+// not nil, it runs the bot too, and a failure of the bot stops the agent. Each
+// child runs its own loop and schedules with no client events. A failed child
+// stops the daemon, and backups lock all loops before they copy data.
+func daemonServe(ctx context.Context, listener net.Listener, bot *TelegramBot, whatsapp *WhatsApp, schedules *Schedules, start func(notify func(Event)) (*TurnLoop, error), children ...*DaemonAgent) error {
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
@@ -339,8 +353,58 @@ func daemonServe(ctx context.Context, listener net.Listener, bot *TelegramBot, w
 		return errors.Join(err, listener.Close())
 	}
 
+	if bot != nil {
+		l.tools.imageShow.bot = bot
+	}
+
+	loops := []*TurnLoop{l}
+	for _, child := range children {
+		loop, err := child.Loop(nil, func(Event) {
+		})
+		if err != nil {
+			return errors.Join(fmt.Errorf("start child %q: %w", child.agent.config.Name, err), listener.Close())
+		}
+
+		loops = append(loops, loop)
+	}
+
+	messages, err := openDaemonMessages(loops)
+	if err != nil {
+		return errors.Join(fmt.Errorf("open agent messages: %w", err), listener.Close())
+	}
+
+	hub.snapshot = func(ctx context.Context, snapshot func() error) error {
+		return messages.SnapshotAgents(ctx, snapshot)
+	}
+
+	runtime := &DaemonChildren{
+		ctx:      ctx,
+		cancel:   cancel,
+		root:     l,
+		messages: messages,
+	}
+	l.tools.children = runtime
+
 	var workers sync.WaitGroup
+
+	childErrors := make([]error, len(children))
+	for i, child := range children {
+		workers.Add(1)
+
+		go func() {
+			defer workers.Done()
+
+			childErrors[i] = daemonRunChild(ctx, loops[i+1], child.schedules)
+			if childErrors[i] != nil {
+				child.logger.Error("child stopped", "err", childErrors[i])
+			}
+
+			cancel()
+		}()
+	}
+
 	workers.Add(2)
+
 	go func() {
 		defer workers.Done()
 
@@ -348,29 +412,37 @@ func daemonServe(ctx context.Context, listener net.Listener, bot *TelegramBot, w
 	}()
 
 	var whatsappErr error
+
 	go func() {
 		defer workers.Done()
 
 		whatsappErr = whatsapp.Run(ctx, l, notify)
+
 		cancel()
 	}()
 
 	var schedulesErr error
+
 	workers.Add(1)
+
 	go func() {
 		defer workers.Done()
 
 		schedulesErr = schedules.Run(ctx, l)
+
 		cancel()
 	}()
 
 	var botErr error
+
 	if bot != nil {
 		workers.Add(1)
+
 		go func() {
 			defer workers.Done()
 
 			botErr = bot.Run(ctx, l, whatsapp)
+
 			cancel()
 		}()
 	}
@@ -381,11 +453,36 @@ func daemonServe(ctx context.Context, listener net.Listener, bot *TelegramBot, w
 	}
 
 	cancel()
+
 	err = errors.Join(err, listener.Close())
+
 	hub.CloseAll()
 	workers.Wait()
 
-	return errors.Join(err, whatsappErr, schedulesErr, botErr)
+	return errors.Join(err, whatsappErr, schedulesErr, botErr, errors.Join(childErrors...), runtime.Close())
+}
+
+// daemonRunChild runs a child's turn loop and its schedules until either stops.
+// Its events stay in its own log.
+func daemonRunChild(ctx context.Context, loop *TurnLoop, schedules *Schedules) error {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	done := make(chan error, 1)
+	go func() {
+		done <- schedules.Run(ctx, loop)
+
+		cancel()
+	}()
+
+	err := loop.Run(ctx)
+	if errors.Is(err, context.Canceled) {
+		err = nil
+	}
+
+	cancel()
+
+	return errors.Join(err, <-done)
 }
 
 // daemonRunRequest runs one request of a client. The answers of a WhatsApp
@@ -400,6 +497,27 @@ func daemonRunRequest(l *TurnLoop, whatsapp *WhatsApp, request SocketRequest, an
 		_, err := l.Submit(terminalSource, request.Text)
 
 		return err
+	case "image":
+		if !filepath.IsAbs(request.Path) {
+			return errors.New("use /image PATH [caption]")
+		}
+
+		data, err := imageReadFile(request.Path)
+		if err != nil {
+			return fmt.Errorf("read terminal image: %w", err)
+		}
+
+		name, err := l.agent.Images().Save(data)
+		if err != nil {
+			return fmt.Errorf("store terminal image: %w", err)
+		}
+
+		_, err = l.Submit(terminalSource, imageText([]string{name}, request.Text))
+		if err != nil {
+			return fmt.Errorf("submit terminal image: %w", err)
+		}
+
+		return nil
 	case "interrupt":
 		if !l.Interrupt() {
 			return errors.New("no turn runs")
@@ -421,25 +539,3 @@ func daemonRunRequest(l *TurnLoop, whatsapp *WhatsApp, request SocketRequest, an
 		return fmt.Errorf("unknown request %q", request.Type)
 	}
 }
-
-// daemonLogger returns the logger of the part of the daemon with prefix, such
-// as "telegram: ", on out. The journal adds the time to each line and sets
-// JOURNAL_STREAM for a service, so then the lines have no time stamp. Otherwise
-// each line has the standard time stamp.
-func daemonLogger(out io.Writer, prefix string) *log.Logger {
-	if os.Getenv("JOURNAL_STREAM") != "" {
-		return log.New(out, prefix, 0)
-	}
-
-	return log.New(out, prefix, log.LstdFlags)
-}
-
-// durationText returns d for a log line: rounded to the second, or to the
-// millisecond when it is shorter than a second.
-func durationText(d time.Duration) string {
-	if d < time.Second {
-		return d.Round(time.Millisecond).String()
-	}
-
-	return d.Round(time.Second).String()
-}