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move allocation out of loop

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This commit is contained in:
Callan Bryant 2020-10-25 14:59:46 +00:00
parent 19f25ff847
commit cb75689825
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GPG Key ID: C31FA9DF3ACBFFAA
1 changed files with 4 additions and 2 deletions
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6
configtypes.go
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@ -165,8 +165,9 @@ func (conf DsnetConfig) MustAllocateIP() net.IP {
// avoids broadcast addr + overflow // avoids broadcast addr + overflow
max := (1 << zeros) - 2 max := (1 << zeros) - 2
IP := make(net.IP, len(network.IP))
for i := min; i <= max; i++ { for i := min; i <= max; i++ {
IP := make(net.IP, len(network.IP))
// dst, src! // dst, src!
copy(IP, network.IP) copy(IP, network.IP)
@ -195,9 +196,10 @@ func (conf DsnetConfig) MustAllocateIP6() net.IP {
rbs := make([]byte, zeros) rbs := make([]byte, zeros)
rand.Seed(time.Now().UTC().UnixNano()) rand.Seed(time.Now().UTC().UnixNano())
IP := make(net.IP, len(network.IP))
for i := 0; i <= 10000; i++ { for i := 0; i <= 10000; i++ {
rand.Read(rbs) rand.Read(rbs)
IP := make(net.IP, len(network.IP))
// dst, src! Copy prefix of IP // dst, src! Copy prefix of IP
copy(IP, network.IP) copy(IP, network.IP)