mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-09-20 03:42:32 +00:00
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
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package main
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import "fmt"
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import "net"
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import "time"
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// TODO look into netmap + libpcap to bypass the kernel as much as possible
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func basic_test() {
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// TODO need a way to look up who our link-local neighbors are for each iface!
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//addr, err := net.ResolveUDPAddr("udp", "[ff02::1%veth0]:9001")
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addr, err := net.ResolveUDPAddr("udp", "[ff02::1]:9001")
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if err != nil { panic(err) }
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sock, err := net.ListenMulticastUDP("udp", nil, addr)
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if err != nil { panic(err) }
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defer sock.Close()
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go func () {
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saddr, err := net.ResolveUDPAddr("udp", "[::]:0")
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if err != nil { panic(err) }
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send, err := net.ListenUDP("udp", saddr)
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if err != nil { panic(err) }
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defer send.Close()
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msg := make([]byte, 1280)
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for {
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//fmt.Println("Sending...")
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send.WriteTo(msg, addr)
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}
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}()
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numPackets := 1000
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start := time.Now()
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msg := make([]byte, 2000)
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for i := 0 ; i < numPackets ; i++ {
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//fmt.Println("Reading:", i)
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sock.ReadFromUDP(msg)
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}
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timed := time.Since(start)
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fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
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}
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func main () {
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basic_test()
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}
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