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fix of

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fumiama
2021-12-31 12:50:47 +08:00
parent 7c9e722df2
commit dc450ba2e6
1 changed files with 7 additions and 3 deletions
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10
lower/nic.go
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@@ -71,9 +71,9 @@ func (nc *NIC) Start(m *link.Me) {
continue continue
} }
packet = packet[:n] packet = packet[:n]
_, rem := send(m, packet) n, rem := send(m, packet)
for len(rem) > 20 { for len(rem) > 20 && n > 0 {
_, rem = send(m, rem) n, rem = send(m, rem)
} }
if len(rem) > 0 { if len(rem) > 0 {
off = copy(buf, rem) off = copy(buf, rem)
@@ -115,6 +115,10 @@ func send(m *link.Me, packet []byte) (n int, rem []byte) {
return len(packet), nil return len(packet), nil
} }
totl := waterutil.IPv4TotalLength(packet) totl := waterutil.IPv4TotalLength(packet)
if int(totl) > len(packet) {
rem = packet
return
}
rem = packet[totl:] rem = packet[totl:]
packet = packet[:totl] packet = packet[:totl]
n = int(totl) n = int(totl)