fix: OOM on large file
Remove the etag middleware since it requires the entire file to be read into memory.
This commit is contained in:
parent
25041eff69
commit
fc229b1f06
|
@ -2,7 +2,7 @@
|
||||||
|
|
||||||
A **very simple** HTTP server that might come in handy from time to time.
|
A **very simple** HTTP server that might come in handy from time to time.
|
||||||
|
|
||||||
The only thing it does is serving static files in the current directory.
|
The only thing it does is serve static files in the current directory.
|
||||||
|
|
||||||
## Usage
|
## Usage
|
||||||
|
|
||||||
|
|
81
main.go
81
main.go
|
@ -6,12 +6,10 @@ import (
|
||||||
"os"
|
"os"
|
||||||
"os/signal"
|
"os/signal"
|
||||||
"strconv"
|
"strconv"
|
||||||
"sync"
|
|
||||||
"syscall"
|
"syscall"
|
||||||
"time"
|
"time"
|
||||||
|
|
||||||
"github.com/gofiber/fiber/v2"
|
"github.com/gofiber/fiber/v2"
|
||||||
"github.com/gofiber/fiber/v2/middleware/etag"
|
|
||||||
"github.com/kanna5/qrtxt"
|
"github.com/kanna5/qrtxt"
|
||||||
)
|
)
|
||||||
|
|
||||||
|
@ -26,27 +24,8 @@ func getLocalAddr() (string, error) {
|
||||||
return host, err
|
return host, err
|
||||||
}
|
}
|
||||||
|
|
||||||
func main() {
|
func serve(port int) (*fiber.App, <-chan error) {
|
||||||
listenPort := 8080
|
ch := make(chan error)
|
||||||
|
|
||||||
var err error
|
|
||||||
if len(os.Args) >= 2 {
|
|
||||||
portStr := os.Args[1]
|
|
||||||
listenPort, err = strconv.Atoi(portStr)
|
|
||||||
}
|
|
||||||
if err != nil {
|
|
||||||
panic(fmt.Errorf("cannot parse port number: %w", err))
|
|
||||||
}
|
|
||||||
if listenPort < 1 || listenPort > 65535 {
|
|
||||||
panic(fmt.Errorf("invalid port number: %d", listenPort))
|
|
||||||
}
|
|
||||||
|
|
||||||
localAddr, err := getLocalAddr()
|
|
||||||
if err != nil {
|
|
||||||
panic(fmt.Errorf("cannot get local address: %w", err))
|
|
||||||
}
|
|
||||||
|
|
||||||
fullAddress := fmt.Sprintf("http://%s:%d/", localAddr, listenPort)
|
|
||||||
|
|
||||||
app := fiber.New(fiber.Config{
|
app := fiber.New(fiber.Config{
|
||||||
AppName: "StaticFileServer",
|
AppName: "StaticFileServer",
|
||||||
|
@ -56,21 +35,51 @@ func main() {
|
||||||
RequestMethods: []string{"GET", "HEAD"},
|
RequestMethods: []string{"GET", "HEAD"},
|
||||||
ServerHeader: "StaticFileServer",
|
ServerHeader: "StaticFileServer",
|
||||||
})
|
})
|
||||||
app.Use(etag.New())
|
|
||||||
app.Static("/", "./", fiber.Static{Browse: true})
|
app.Static("/", "./", fiber.Static{Browse: true})
|
||||||
|
|
||||||
|
go func() {
|
||||||
|
defer close(ch)
|
||||||
|
ch <- app.Listen(":" + strconv.Itoa(port))
|
||||||
|
}()
|
||||||
|
|
||||||
|
return app, ch
|
||||||
|
}
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
listenPort := 8080
|
||||||
|
|
||||||
|
var err error
|
||||||
|
if len(os.Args) >= 2 {
|
||||||
|
portStr := os.Args[1]
|
||||||
|
listenPort, err = strconv.Atoi(portStr)
|
||||||
|
}
|
||||||
|
if err != nil {
|
||||||
|
panic(fmt.Errorf("Cannot parse port number: %w", err))
|
||||||
|
}
|
||||||
|
if listenPort < 1 || listenPort > 65535 {
|
||||||
|
panic(fmt.Errorf("Invalid port number: %d", listenPort))
|
||||||
|
}
|
||||||
|
|
||||||
|
localAddr, err := getLocalAddr()
|
||||||
|
if err != nil {
|
||||||
|
panic(fmt.Errorf("Cannot get local address: %w", err))
|
||||||
|
}
|
||||||
|
|
||||||
|
fullAddress := fmt.Sprintf("http://%s:%d/", localAddr, listenPort)
|
||||||
|
|
||||||
|
app, errCh := serve(listenPort)
|
||||||
|
// Early check to see if the server is started successfully. This might not be reliable
|
||||||
|
select {
|
||||||
|
case err := <-errCh:
|
||||||
|
panic(fmt.Errorf("Cannot start server: %w", err))
|
||||||
|
case <-time.After(1 * time.Millisecond):
|
||||||
|
}
|
||||||
|
|
||||||
if qrText, err := qrtxt.Encode(fullAddress, qrtxt.Low); err == nil {
|
if qrText, err := qrtxt.Encode(fullAddress, qrtxt.Low); err == nil {
|
||||||
fmt.Println(qrText)
|
fmt.Println(qrText)
|
||||||
}
|
}
|
||||||
fmt.Printf("\nListening on %s\n", fullAddress)
|
fmt.Printf("\nListening on %s\n", fullAddress)
|
||||||
|
|
||||||
wg := sync.WaitGroup{}
|
|
||||||
wg.Add(1)
|
|
||||||
go func() {
|
|
||||||
defer wg.Done()
|
|
||||||
err = app.Listen(":" + strconv.Itoa(listenPort))
|
|
||||||
}()
|
|
||||||
|
|
||||||
sigCh := make(chan os.Signal, 1)
|
sigCh := make(chan os.Signal, 1)
|
||||||
signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
|
signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
|
||||||
go func() {
|
go func() {
|
||||||
|
@ -78,9 +87,13 @@ func main() {
|
||||||
_ = app.Shutdown()
|
_ = app.Shutdown()
|
||||||
}()
|
}()
|
||||||
|
|
||||||
wg.Wait()
|
err, ok := <-errCh
|
||||||
if err != nil {
|
if !ok {
|
||||||
panic(fmt.Errorf("cannot start server: %w", err))
|
panic("Server closed unexpectedly")
|
||||||
}
|
}
|
||||||
|
if err != nil {
|
||||||
|
panic(fmt.Errorf("Failed to run server: %w", err))
|
||||||
|
}
|
||||||
|
|
||||||
fmt.Println("Bye!")
|
fmt.Println("Bye!")
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue