130 lines
3.1 KiB
Go
130 lines
3.1 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"os"
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"runtime/debug"
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"git.netflux.io/rob/octoplex/internal/domain"
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"git.netflux.io/rob/octoplex/internal/event"
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pb "git.netflux.io/rob/octoplex/internal/generated/grpc"
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"git.netflux.io/rob/octoplex/internal/protocol"
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"git.netflux.io/rob/octoplex/internal/terminal"
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"golang.design/x/clipboard"
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"golang.org/x/sync/errgroup"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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)
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var (
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// version is the version of the application.
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version string
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// commit is the commit hash of the application.
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commit string
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// date is the date of the build.
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date string
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)
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func main() {
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if err := run(); err != nil {
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os.Stderr.WriteString("Error: " + err.Error() + "\n")
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os.Exit(1)
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}
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}
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func run() error {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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g, ctx := errgroup.WithContext(ctx)
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// TODO: logger from config
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fptr, err := os.OpenFile("octoplex.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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return fmt.Errorf("open log file: %w", err)
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}
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logger := slog.New(slog.NewTextHandler(fptr, nil))
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bus := event.NewBus(logger)
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var clipboardAvailable bool
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if err = clipboard.Init(); err != nil {
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logger.Warn("Clipboard not available", "err", err)
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} else {
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clipboardAvailable = true
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}
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buildInfo, ok := debug.ReadBuildInfo()
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if !ok {
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return fmt.Errorf("read build info: %w", err)
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}
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conn, err := grpc.NewClient("localhost:50051", grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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return fmt.Errorf("connect to gRPC server: %w", err)
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}
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apiClient := pb.NewInternalAPIClient(conn)
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stream, err := apiClient.Communicate(ctx)
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if err != nil {
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return fmt.Errorf("create gRPC stream: %w", err)
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}
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g.Go(func() error {
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for {
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envelope, recErr := stream.Recv()
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if recErr != nil {
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return fmt.Errorf("receive envelope: %w", recErr)
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}
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evt := envelope.GetEvent()
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if evt == nil {
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logger.Error("Received envelope without event")
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continue
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}
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logger.Debug("Received event", "type", fmt.Sprintf("%T", evt))
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bus.Send(protocol.EventFromProto(evt))
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}
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})
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ui, err := terminal.StartUI(ctx, terminal.StartParams{
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EventBus: bus,
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Dispatcher: func(cmd event.Command) {
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logger.Info("Command dispatched", "cmd", cmd.Name())
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if sendErr := stream.Send(&pb.Envelope{Payload: &pb.Envelope_Command{Command: protocol.CommandToProto(cmd)}}); sendErr != nil {
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logger.Error("Error sending command to gRPC API", "err", sendErr)
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}
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},
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ClipboardAvailable: clipboardAvailable,
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BuildInfo: domain.BuildInfo{
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GoVersion: buildInfo.GoVersion,
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Version: version,
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Commit: commit,
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Date: date,
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},
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Logger: logger.With("component", "ui"),
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})
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if err != nil {
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return fmt.Errorf("start terminal user interface: %w", err)
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}
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defer ui.Close()
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errUIClosed := errors.New("UI closed")
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g.Go(func() error {
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ui.Wait()
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logger.Info("UI closed!")
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return errUIClosed
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})
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if err := g.Wait(); err == errUIClosed {
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logger.Info("UI closed, exiting")
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return nil
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} else {
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logger.Error("UI closed with error", "err", err)
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return fmt.Errorf("errgroup.Wait: %w", err)
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}
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}
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