Macintosh-Tools/wrp
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print my own IP addresses

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This commit is contained in:
Antoni Sawicki 2022-12-08 01:49:46 -08:00
parent c816ef712a
commit d8f5c6fb28
1 changed files with 32 additions and 4 deletions
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36
wrp.go
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@ -24,6 +24,7 @@ import (
"log"
"math"
"math/rand"
"net"
"net/http"
"net/url"
"os"
@ -517,13 +518,42 @@ builtin:
return string(tmpl)
}
// Main...
// Print my own IP addresses
func printIPs(b string) {
ap := strings.Split(b, ":")
if len(ap) < 1 {
log.Fatal("Wrong format of ipaddress:port")
}
log.Printf("Listen address: %v", b)
if ap[0] != "" && ap[0] != "0.0.0.0" {
return
}
a, err := net.InterfaceAddrs()
if err != nil {
log.Print("Unable to get interfaces: ", err)
return
}
var m string
for _, i := range a {
n, ok := i.(*net.IPNet)
if !ok || n.IP.IsLoopback() || strings.Contains(n.IP.String(), ":") {
continue
}
m = m + n.IP.String() + " "
}
log.Print("My IP addresses: ", m)
}
// Main
func main() {
var err error
flag.Parse()
log.Printf("Web Rendering Proxy Version %s\n", version)
log.Printf("Args: %q", os.Args)
if len(os.Getenv("PORT")) > 0 {
*addr = ":" + os.Getenv(("PORT"))
}
printIPs(*addr)
n, err := fmt.Sscanf(*fgeom, "%dx%dx%d", &defGeom.w, &defGeom.h, &defGeom.c)
if err != nil || n != 3 {
log.Fatalf("Unable to parse -g geometry flag / %s", err)
@ -557,8 +587,6 @@ func main() {
http.HandleFunc("/shutdown/", haltServer)
http.HandleFunc("/favicon.ico", http.NotFound)
log.Printf("Web Rendering Proxy Version %s\n", version)
log.Printf("Args: %q", os.Args)
log.Printf("Default Img Type: %v, Geometry: %+v", *defType, defGeom)
htmlTmpl, err = template.New("wrp.html").Parse(tmpl(*htmFnam))
@ -566,7 +594,7 @@ func main() {
log.Fatal(err)
}
log.Printf("Starting WRP http server on %s\n", *addr)
log.Print("Starting WRP http server")
srv.Addr = *addr
err = srv.ListenAndServe()
if err != nil {