Martino Ferrari
102 lines
2.7 KiB
Go
102 lines
2.7 KiB
Go
package main
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import (
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"context"
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"embed"
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"flag"
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"fmt"
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"io/fs"
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"log/slog"
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"os"
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"os/signal"
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"syscall"
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"github.com/uopi/uopi/internal/broker"
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"github.com/uopi/uopi/internal/config"
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"github.com/uopi/uopi/internal/datasource/epics"
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"github.com/uopi/uopi/internal/datasource/stub"
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"github.com/uopi/uopi/internal/datasource/synthetic"
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"github.com/uopi/uopi/internal/server"
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"github.com/uopi/uopi/internal/storage"
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"github.com/uopi/uopi/web"
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)
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// The web package's embed.go embeds web/dist at build time.
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// This blank import ensures the compiler includes the package.
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var _ embed.FS
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func main() {
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configPath := flag.String("config", "", "path to TOML config file (optional)")
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flag.Parse()
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log := slog.New(slog.NewTextHandler(os.Stdout, nil))
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cfg, err := config.Load(*configPath)
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if err != nil {
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log.Error("failed to load config", "err", err)
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os.Exit(1)
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}
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if err := os.MkdirAll(cfg.Server.StorageDir, 0o755); err != nil {
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log.Error("failed to create storage dir", "dir", cfg.Server.StorageDir, "err", err)
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os.Exit(1)
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}
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store, err := storage.New(cfg.Server.StorageDir)
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if err != nil {
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log.Error("failed to open interface store", "err", err)
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os.Exit(1)
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}
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webFS, err := fs.Sub(web.FS, "dist")
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if err != nil {
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log.Error("failed to sub web dist", "err", err)
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os.Exit(1)
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}
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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brk := broker.New(ctx, log)
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// Stub data source is always registered — it provides synthetic test signals
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// used by demo interfaces and unit tests.
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stubDS := stub.New()
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if err := stubDS.Connect(ctx); err != nil {
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log.Error("stub connect", "err", err)
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os.Exit(1)
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}
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brk.Register(stubDS)
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// Synthetic data source: computes derived signals from upstream sources via
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// configurable DSP pipelines defined in synthetic.json inside the storage dir.
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var synthDS *synthetic.Synthetic
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if cfg.Synthetic.Enabled {
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synthDS = synthetic.New(cfg.Server.StorageDir, brk, log)
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if err := synthDS.Connect(ctx); err != nil {
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log.Warn("synthetic connect failed — continuing without synthetic signals", "err", err)
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synthDS = nil
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} else {
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brk.Register(synthDS)
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}
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}
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// EPICS Channel Access data source (requires -tags epics build).
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// epics.Available() returns false when built without the tag.
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if cfg.EPICS.Enabled && epics.Available() {
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ds := epics.New(cfg.EPICS.CAAddrList, cfg.EPICS.ArchiveURL)
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if err := ds.Connect(ctx); err != nil {
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log.Error("epics connect", "err", err)
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} else {
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brk.Register(ds)
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}
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}
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srv := server.New(cfg.Server.Listen, webFS, brk, synthDS, store, cfg.EPICS.ChannelFinderURL, log)
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if err := srv.Start(ctx); err != nil {
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fmt.Fprintf(os.Stderr, "server error: %v\n", err)
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os.Exit(1)
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}
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}
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