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more logging in ipv4_test

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This commit is contained in:
Song Gao 2016-04-16 12:41:15 -05:00
parent dd043efd91
commit 4a6164f5ed
1 changed files with 3 additions and 1 deletions
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4
ipv4_test.go
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@ -15,8 +15,9 @@ func startRead(ch chan<- []byte, ifce *Interface) {
go func() { go func() {
for { for {
buffer := make([]byte, BUFFERSIZE) buffer := make([]byte, BUFFERSIZE)
_, err := ifce.Read(buffer) n, err := ifce.Read(buffer)
if err == nil { if err == nil {
buffer = buffer[:n:n]
ch <- buffer ch <- buffer
} }
} }
@ -73,6 +74,7 @@ readFrame:
if waterutil.IPv4Protocol(packet) != waterutil.ICMP { if waterutil.IPv4Protocol(packet) != waterutil.ICMP {
continue readFrame continue readFrame
} }
t.Logf("received broadcast frame: %#v\n", buffer)
break readFrame break readFrame
case <-timeout: case <-timeout:
t.Fatal("Waiting for broadcast packet timeout") t.Fatal("Waiting for broadcast packet timeout")