From 895d5fea41177e444c18f4fdc820fffa5f67d5bf Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus@rgdd.se>
Date: Sat, 9 Dec 2023 17:08:45 +0100
Subject: Add drafty skeleton

---
 main.go | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 103 insertions(+), 2 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index 4ffa7f3..b602222 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,108 @@
 package main
 
-import "fmt"
+import (
+	"context"
+	"errors"
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+
+	"rgdd.se/silent-ct/internal/manager"
+	"rgdd.se/silent-ct/internal/options"
+	"rgdd.se/silent-ct/pkg/monitor"
+	"rgdd.se/silent-ct/pkg/server"
+)
 
 func main() {
-	fmt.Println("TODO: silent-ct")
+	opts, err := options.New(os.Args[0], os.Args[1:])
+	if err != nil {
+		if errors.Is(err, flag.ErrHelp) {
+			os.Exit(0)
+		}
+		die("options: %v", err)
+	}
+	var c options.Config
+	if err := c.FromFile(opts.ConfigFile); err != nil {
+		die("configuration: %v", err)
+	}
+
+	srv, err := server.New(server.Config{Address: opts.ListenAddr, Nodes: c.Nodes})
+	if err != nil {
+		die("create new server: %v", err)
+	}
+	mon, err := monitor.New(monitor.Config{Callback: &c.Monitor})
+	if err != nil {
+		die("create new monitor: %v", err)
+	}
+	mgr, err := manager.New(manager.Config{Nodes: c.Nodes})
+	if err != nil {
+		die("create new manager: %v", err)
+	}
+
+	configCh := make(chan []monitor.MessageLogConfig)
+	defer close(configCh)
+
+	progressCh := make(chan monitor.MessageLogProgress)
+	defer close(progressCh)
+
+	submitCh := make(chan server.MessageNodeSubmission)
+	defer close(submitCh)
+
+	errorCh := make(chan error)
+	defer close(errorCh)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	var wg sync.WaitGroup
+	defer wg.Wait()
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		defer cancel()
+		await(ctx)
+	}()
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		defer cancel()
+		if err := srv.Run(ctx, submitCh, errorCh); err != nil {
+			die("server: %v\n", err)
+		}
+	}()
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		defer cancel()
+		mon.Run(ctx, configCh, progressCh, errorCh)
+	}()
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		defer cancel()
+		if err := mgr.Run(ctx, submitCh, progressCh, configCh, errorCh); err != nil {
+			die("manager: %v\n", err)
+		}
+	}()
+}
+
+func await(ctx context.Context) {
+	sigs := make(chan os.Signal, 1)
+	defer close(sigs)
+
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	select {
+	case <-sigs:
+	case <-ctx.Done():
+	}
+}
+
+func die(format string, args ...interface{}) {
+	fmt.Printf("fatal: "+format, args)
+	os.Exit(1)
 }
-- 
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