From 919cdfd15447846ee4d3acffb7570463897a7722 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Wed, 19 Apr 2023 20:45:10 +0300
Subject: add global timeout

---
 cmd/gogios/main.go  | 10 +++++++++-
 internal/execute.go |  4 ++--
 internal/run.go     |  6 ++++--
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/cmd/gogios/main.go b/cmd/gogios/main.go
index f9ec195..e125bd2 100644
--- a/cmd/gogios/main.go
+++ b/cmd/gogios/main.go
@@ -1,13 +1,21 @@
 package main
 
 import (
+	"context"
 	"flag"
+	"time"
 
 	"codeberg.org/snonux/gogios/internal"
 )
 
 func main() {
 	configFile := flag.String("cfg", "/etc/gogios.json", "The config file")
+	timeout := flag.Int("timeout", 5, "Global timeout in minutes")
 	flag.Parse()
-	internal.Run(*configFile)
+
+	ctx, cancel := context.WithTimeout(context.Background(),
+		time.Duration(*timeout)*time.Minute)
+	defer cancel()
+
+	internal.Run(ctx, *configFile)
 }
diff --git a/internal/execute.go b/internal/execute.go
index d8f426f..1029ff7 100644
--- a/internal/execute.go
+++ b/internal/execute.go
@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-func execute(state state, config config) state {
+func execute(globalCtx context.Context, state state, config config) state {
 	limiterCh := make(chan struct{}, config.CheckConcurrency)
 	inputCh := make(chan namedCheck)
 	outputCh := make(chan checkResult)
@@ -40,7 +40,7 @@ func execute(state state, config config) state {
 				inputWg.Done()
 			}()
 
-			ctx, cancel := context.WithTimeout(context.Background(),
+			ctx, cancel := context.WithTimeout(globalCtx,
 				time.Duration(config.CheckTimeoutS)*time.Second)
 			defer cancel()
 
diff --git a/internal/run.go b/internal/run.go
index 417b81b..ef9919d 100644
--- a/internal/run.go
+++ b/internal/run.go
@@ -1,6 +1,8 @@
 package internal
 
-func Run(configFile string) {
+import "context"
+
+func Run(cts context.Context, configFile string) {
 	config, err := newConfig(configFile)
 	if err != nil {
 		panic(err)
@@ -11,7 +13,7 @@ func Run(configFile string) {
 		notifyError(config, err)
 	}
 
-	state = execute(state, config)
+	state = execute(ctx, state, config)
 
 	if err := state.persist(); err != nil {
 		notifyError(config, err)
-- 
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