"context"
"errors"
"fmt"
+ "log"
"path/filepath"
"sync"
"time"
)
-// newTurnLoop returns the loop of agent with its memory and its subagents. Its
-// calls go through client, and notify gets each event. The clock gives the date
-// of a turn.
-func newTurnLoop(agent *Agent, memory *Memory, subagents *Subagents, client ChainClient, clock func() time.Time, notify func(Event)) (*TurnLoop, error) {
+// newTurnLoop returns the loop of agent with its memory, its subagents, and the
+// WhatsApp link and the schedules of its tools. Its calls go through client,
+// and notify gets each event. The clock gives the date of a turn. logger gets
+// the failed turns and the ends of the subagents.
+func newTurnLoop(agent *Agent, memory *Memory, subagents *Subagents, whatsapp *WhatsApp, schedules *Schedules, client ChainClient, clock func() time.Time, logger *log.Logger, notify func(Event)) (*TurnLoop, error) {
layout, err := loadViewLayout(filepath.Join(agent.dir, viewLayoutFileName))
if err != nil {
return nil, err
client: client,
layout: layout,
clock: clock,
+ logger: logger,
notify: notify,
wake: make(chan struct{}, 1),
}
client: client,
state: l.state,
report: l.Report,
+ note: l.note,
+ fail: l.fail,
+ logger: logger,
notify: notify,
running: make(map[string]*SubagentRun),
}
chat: memory,
subagents: subagents,
runs: l.runs,
+ whatsapp: whatsapp,
+ schedules: schedules,
workdir: agent.config.Workdir,
}
}
// Event tells the clients what the agent does as it happens. Kind is the kind
-// of a logged message (user, reply, tool, echo, work), or one of ready, busy,
-// idle, error, and subagent, which tells that the subagent Text starts a run. ID is the ID of a logged message. Source names the client that
-// sent a user message, such as terminal or telegram, so that each client can
-// show the messages of the others.
+// of a logged message (user, reply, tool, echo, note, work), or one of ready,
+// busy, idle, error, and subagent, which tells that the subagent Text starts a
+// run. ID is the ID of a logged message. Source names the client that sent a
+// user message, such as terminal or telegram, so that each client can show the
+// messages of the others, or the subagent of a report. Status tells how the run
+// of a report ended: finished, stopped, or failed.
type Event struct {
Kind string `json:"kind"`
ID int `json:"id,omitempty"`
Text string `json:"text,omitempty"`
Source string `json:"source,omitempty"`
+ Status string `json:"status,omitempty"`
}
// TurnLoop runs the turns of one agent. A user message goes to the log when it
runs *SubagentRuns
layout *ViewLayout
clock func() time.Time
+ logger *log.Logger
notify func(Event)
wake chan struct{}
return message, nil
}
-// Report logs the report text of a subagent as a work message and tells the
-// clients. Unless the subagent was stopped, the report joins the waiting
-// messages and wakes the loop, as a user message of Submit does. A failed write
-// stops the loop, because the log refuses all writes after it.
-func (l *TurnLoop) Report(text string, stopped bool) {
- message, err := l.record("work", "", text)
-
- l.mutex.Lock()
+// Report logs the report text of the subagent name as a work message and tells
+// the clients, with the status of the run. Unless the subagent was stopped, the
+// report joins the waiting messages and wakes the loop, as a user message of
+// Submit does. A failed write stops the loop, because the log refuses all
+// writes after it.
+func (l *TurnLoop) Report(name, text, status string) {
+ message, err := l.Work(name, text, status)
switch {
case err != nil:
- l.failure = fmt.Errorf("%w: %w", errChainLogWrite, err)
- case !stopped:
- l.pending = append(l.pending, message)
+ l.fail(fmt.Errorf("%w: %w", errChainLogWrite, err))
+ case status != subagentStopped:
+ l.Wake(message)
}
+}
+
+// Work logs text as a work message of source, such as the name of a subagent,
+// and tells the clients, with status. The message starts no turn until it goes
+// to Wake.
+func (l *TurnLoop) Work(source, text, status string) (Message, error) {
+ message, err := l.memory.Append("work", text)
+ if err != nil {
+ return Message{}, err
+ }
+
+ l.notify(Event{
+ Kind: "work",
+ ID: message.ID,
+ Text: text,
+ Source: source,
+ Status: status,
+ })
+
+ return message, nil
+}
+
+// Wake adds the logged messages to the waiting messages and wakes the loop
+// once, as a user message of Submit does. They join the first request of a new
+// turn together, or the next request of a running turn after the tool results.
+func (l *TurnLoop) Wake(messages ...Message) {
+ if len(messages) == 0 {
+ return
+ }
+
+ l.mutex.Lock()
+ l.pending = append(l.pending, messages...)
l.mutex.Unlock()
select {
}
}
+// StopSubagent ends the run of the subagent name and tells if it ran. Its
+// report is logged, but it starts no turn.
+func (l *TurnLoop) StopSubagent(name string) (bool, error) {
+ return l.runs.Stop(name)
+}
+
// Interrupt ends the running turn. A running tool is killed, and the turn sends
// no further request.
func (l *TurnLoop) Interrupt() bool {
}
// Run runs a turn each time user messages or reports wait, until ctx ends. It
-// returns the error of a failed log write, which stops the agent. At its end
-// it ends the runs of the subagents and waits for them.
+// returns the error of a failed log write, which stops the agent. At its start
+// it resumes the subagents that a stop of the daemon cut, and at its end it
+// ends the runs of the subagents and waits for them.
func (l *TurnLoop) Run(ctx context.Context) error {
defer l.runs.Close()
+ err := l.runs.Resume(ctx)
+ if err != nil {
+ return fmt.Errorf("resume subagents: %w", err)
+ }
+
for {
for l.waiting() {
err := l.turn(ctx)
}
}
+// note logs a note and tells the clients. A note starts no turn.
+func (l *TurnLoop) note(text string) error {
+ _, err := l.record("note", "", text)
+
+ return err
+}
+
// record logs a message and tells the clients, with the client source of a user
// message.
func (l *TurnLoop) record(kind, source, text string) (Message, error) {
return len(l.pending) > 0
}
+// fail stops the loop with err.
+func (l *TurnLoop) fail(err error) {
+ l.mutex.Lock()
+ l.failure = errors.Join(l.failure, err)
+ l.mutex.Unlock()
+
+ select {
+ case l.wake <- struct{}{}:
+ default:
+ }
+}
+
// failed returns the error of a failed write of a report.
func (l *TurnLoop) failed() error {
l.mutex.Lock()
}
// turn runs one turn. A failed or interrupted model call ends the turn and
-// tells the clients. The messages of the turn stay in the log and the view, and
-// the next turn starts only with a new message, so a lasting failure such as a
-// needed login does not repeat. Only a failed log write is an error of turn.
+// tells the clients. A failure also goes to the logger, so that it is not lost
+// when no client is connected, but an interrupt does not. The messages of the
+// turn stay in the log and the view, and the next turn starts only with a new
+// message, so a lasting failure such as a needed login does not repeat. Only a
+// failed log write is an error of turn.
func (l *TurnLoop) turn(ctx context.Context) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
err := l.chain(ctx)
if err != nil && !errors.Is(err, errChainLogWrite) {
+ if ctx.Err() == nil {
+ l.logger.Printf("the turn stops before its end, and the agent waits for the next message: %v", err)
+ }
+
l.notify(Event{
Kind: "error",
Text: turnError(ctx, err),
projects / onechat / blobdiff