MCD uses regexp instead of exact interface name

[nncp.git] / src / cmd / nncp-caller / main.go

diff --git a/src/cmd/nncp-caller/main.go b/src/cmd/nncp-caller/main.go
index 981e42e68d204e3faadf845d25036ac32a329d55..690244141eaf87e151112c3822b7c8ff9c637ff0 100644 (file)
--- a/src/cmd/nncp-caller/main.go
+++ b/src/cmd/nncp-caller/main.go
@@ -23,7 +23,9 @@ import (
        "flag"
        "fmt"
        "log"
+       "net"
        "os"
+       "regexp"
        "sync"
        "time"
 
@@ -125,9 +127,21 @@ func main() {
                }
        }
 
-       for _, ifiName := range ctx.MCDRxIfis {
-               if err = ctx.MCDRx(ifiName); err != nil {
-                       log.Printf("Can not run MCD reception on %s: %s", ifiName, err)
+       ifis, err := net.Interfaces()
+       if err != nil {
+               log.Fatalln("Can not get network interfaces list:", err)
+       }
+       for _, ifiReString := range ctx.MCDRxIfis {
+               ifiRe, err := regexp.CompilePOSIX(ifiReString)
+               if err != nil {
+                       log.Fatalf("Can not compile POSIX regexp \"%s\": %s", ifiReString, err)
+               }
+               for _, ifi := range ifis {
+                       if ifiRe.MatchString(ifi.Name) {
+                               if err = ctx.MCDRx(ifi.Name); err != nil {
+                                       log.Printf("Can not run MCD reception on %s: %s", ifi.Name, err)
+                               }
+                       }
                }
        }