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This commit is contained in:
Neil Alexander 2018-01-04 22:37:51 +00:00
parent ae7b07ae6a
commit b3ebe76b59
45 changed files with 5037 additions and 4288 deletions
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24
misc/tests/atomic-toy.go
View file

@ -7,16 +7,16 @@ import "runtime"
func main() {
var ops uint64 = 0
for i := 0 ; i < 4 ; i++ {
go func () {
for {
atomic.AddUint64(&ops, 1)
runtime.Gosched()
}
}()
}
time.Sleep(1*time.Second)
opsFinal := atomic.LoadUint64(&ops)
fmt.Println("ops:", opsFinal)
var ops uint64 = 0
for i := 0; i < 4; i++ {
go func() {
for {
atomic.AddUint64(&ops, 1)
runtime.Gosched()
}
}()
}
time.Sleep(1 * time.Second)
opsFinal := atomic.LoadUint64(&ops)
fmt.Println("ops:", opsFinal)
}

73
misc/tests/bandwidth.go
View file

@ -4,39 +4,50 @@ import "fmt"
import "net"
import "time"
func main () {
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil { panic(err) }
listener, err := net.ListenTCP("tcp", addr)
if err != nil { panic(err) }
defer listener.Close()
func main() {
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil {
panic(err)
}
listener, err := net.ListenTCP("tcp", addr)
if err != nil {
panic(err)
}
defer listener.Close()
packetSize := 65535
numPackets := 65535
packetSize := 65535
numPackets := 65535
go func () {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, packetSize)
for idx := 0 ; idx < numPackets ; idx++ { send.Write(msg) }
}()
go func() {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, packetSize)
for idx := 0; idx < numPackets; idx++ {
send.Write(msg)
}
}()
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil { panic(err) }
defer sock.Close()
read := 0
buf := make([]byte, packetSize)
for {
n, err := sock.Read(buf)
read += n
if err != nil { break }
}
timed := time.Since(start)
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil {
panic(err)
}
defer sock.Close()
read := 0
buf := make([]byte, packetSize)
for {
n, err := sock.Read(buf)
read += n
if err != nil {
break
}
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f bits/sec\n", 8*float64(read)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f bits/sec\n", 8*float64(read)/timed.Seconds())
}

56
misc/tests/channelbenchmark.go
View file

@ -5,32 +5,32 @@ import "fmt"
import "sync"
func main() {
fmt.Println("Testing speed of recv+send loop")
const count = 10000000
c := make(chan []byte, 1)
c<-[]byte{}
var wg sync.WaitGroup
worker := func () {
for idx := 0 ; idx < count ; idx++ {
p := <-c
select {
case c<-p:
default:
}
}
wg.Done()
}
nIter := 0
start := time.Now()
for idx := 0 ; idx < 1 ; idx++ {
go worker()
nIter += count
wg.Add(1)
}
wg.Wait()
stop := time.Now()
timed := stop.Sub(start)
fmt.Printf("%d iterations in %s\n", nIter, timed)
fmt.Printf("%f iterations per second\n", float64(nIter)/timed.Seconds())
fmt.Printf("%s per iteration\n", timed/time.Duration(nIter))
fmt.Println("Testing speed of recv+send loop")
const count = 10000000
c := make(chan []byte, 1)
c <- []byte{}
var wg sync.WaitGroup
worker := func() {
for idx := 0; idx < count; idx++ {
p := <-c
select {
case c <- p:
default:
}
}
wg.Done()
}
nIter := 0
start := time.Now()
for idx := 0; idx < 1; idx++ {
go worker()
nIter += count
wg.Add(1)
}
wg.Wait()
stop := time.Now()
timed := stop.Sub(start)
fmt.Printf("%d iterations in %s\n", nIter, timed)
fmt.Printf("%f iterations per second\n", float64(nIter)/timed.Seconds())
fmt.Printf("%s per iteration\n", timed/time.Duration(nIter))
}

78
misc/tests/gob-test.go
View file

@ -6,47 +6,51 @@ import "time"
import "fmt"
type testStruct struct {
First uint64
Second float64
Third []byte
First uint64
Second float64
Third []byte
}
func testFunc(tickerDuration time.Duration) {
chn := make(chan []byte)
ticker := time.NewTicker(tickerDuration)
defer ticker.Stop()
send := testStruct{First: 1, Second: 2, Third: []byte{3, 4, 5}}
buf := bytes.NewBuffer(nil)
enc := gob.NewEncoder(buf)
dec := gob.NewDecoder(buf)
sendCall := func () {
err := enc.EncodeValue(&send)
if err != nil { panic(err) }
bs := make([]byte, buf.Len())
buf.Read(bs)
fmt.Println("send:", bs)
go func() { chn<-bs }()
}
recvCall := func (bs []byte) {
buf.Write(bs)
recv := testStruct{}
err := dec.DecodeValue(&recv)
fmt.Println("recv:", bs)
if err != nil { panic(err) }
}
for {
select {
case bs := <-chn : recvCall(bs)
case <-ticker.C : sendCall()
}
}
chn := make(chan []byte)
ticker := time.NewTicker(tickerDuration)
defer ticker.Stop()
send := testStruct{First: 1, Second: 2, Third: []byte{3, 4, 5}}
buf := bytes.NewBuffer(nil)
enc := gob.NewEncoder(buf)
dec := gob.NewDecoder(buf)
sendCall := func() {
err := enc.EncodeValue(&send)
if err != nil {
panic(err)
}
bs := make([]byte, buf.Len())
buf.Read(bs)
fmt.Println("send:", bs)
go func() { chn <- bs }()
}
recvCall := func(bs []byte) {
buf.Write(bs)
recv := testStruct{}
err := dec.DecodeValue(&recv)
fmt.Println("recv:", bs)
if err != nil {
panic(err)
}
}
for {
select {
case bs := <-chn:
recvCall(bs)
case <-ticker.C:
sendCall()
}
}
}
func main() {
go testFunc(100*time.Millisecond) // Does not crash
time.Sleep(time.Second)
go testFunc(time.Nanosecond) // Does crash
time.Sleep(time.Second)
go testFunc(100 * time.Millisecond) // Does not crash
time.Sleep(time.Second)
go testFunc(time.Nanosecond) // Does crash
time.Sleep(time.Second)
}

30
misc/tests/goroutine-test.go
View file

@ -4,19 +4,19 @@ import "sync"
import "time"
import "fmt"
func main () {
const reqs = 1000000
var wg sync.WaitGroup
start := time.Now()
for idx := 0 ; idx < reqs ; idx++ {
wg.Add(1)
go func () { wg.Done() } ()
}
wg.Wait()
stop := time.Now()
timed := stop.Sub(start)
fmt.Printf("%d goroutines in %s (%f per second)\n",
reqs,
timed,
reqs/timed.Seconds())
func main() {
const reqs = 1000000
var wg sync.WaitGroup
start := time.Now()
for idx := 0; idx < reqs; idx++ {
wg.Add(1)
go func() { wg.Done() }()
}
wg.Wait()
stop := time.Now()
timed := stop.Sub(start)
fmt.Printf("%d goroutines in %s (%f per second)\n",
reqs,
timed,
reqs/timed.Seconds())
}

68
misc/tests/multicast.go
View file

@ -8,42 +8,50 @@ import "time"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
//addr, err := net.ResolveUDPAddr("udp", "[ff02::1%veth0]:9001")
addr, err := net.ResolveUDPAddr("udp", "[ff02::1]:9001")
if err != nil { panic(err) }
sock, err := net.ListenMulticastUDP("udp", nil, addr)
if err != nil { panic(err) }
defer sock.Close()
// TODO need a way to look up who our link-local neighbors are for each iface!
//addr, err := net.ResolveUDPAddr("udp", "[ff02::1%veth0]:9001")
addr, err := net.ResolveUDPAddr("udp", "[ff02::1]:9001")
if err != nil {
panic(err)
}
sock, err := net.ListenMulticastUDP("udp", nil, addr)
if err != nil {
panic(err)
}
defer sock.Close()
go func () {
saddr, err := net.ResolveUDPAddr("udp", "[::]:0")
if err != nil { panic(err) }
send, err := net.ListenUDP("udp", saddr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
for {
//fmt.Println("Sending...")
send.WriteTo(msg, addr)
}
}()
go func() {
saddr, err := net.ResolveUDPAddr("udp", "[::]:0")
if err != nil {
panic(err)
}
send, err := net.ListenUDP("udp", saddr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
for {
//fmt.Println("Sending...")
send.WriteTo(msg, addr)
}
}()
numPackets := 1000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
//fmt.Println("Reading:", i)
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
numPackets := 1000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
//fmt.Println("Reading:", i)
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
func main () {
func main() {
basic_test()
basic_test()
}

122
misc/tests/packetbenchmark.go
View file

@ -4,75 +4,89 @@ import "fmt"
import "net"
import "time"
// TODO look into netmap + libpcap to bypass the kernel as much as possible
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
var ip *net.IP
ifaces, err := net.Interfaces()
if err != nil { panic(err) }
var zone string
for _, iface := range ifaces {
addrs, err := iface.Addrs()
if err != nil { panic(err) }
for _, addr := range addrs {
addrIP, _, _ := net.ParseCIDR(addr.String())
if addrIP.To4() != nil { continue } // IPv6 only
if !addrIP.IsLinkLocalUnicast() { continue }
zone = iface.Name
ip = &addrIP
}
addrs, err = iface.MulticastAddrs()
if err != nil { panic(err) }
for _, addr := range addrs {
fmt.Println(addr.String())
}
}
if ip == nil { panic("No link-local IPv6 found") }
fmt.Println("Using address:", *ip)
var ip *net.IP
ifaces, err := net.Interfaces()
if err != nil {
panic(err)
}
var zone string
for _, iface := range ifaces {
addrs, err := iface.Addrs()
if err != nil {
panic(err)
}
for _, addr := range addrs {
addrIP, _, _ := net.ParseCIDR(addr.String())
if addrIP.To4() != nil {
continue
} // IPv6 only
if !addrIP.IsLinkLocalUnicast() {
continue
}
zone = iface.Name
ip = &addrIP
}
addrs, err = iface.MulticastAddrs()
if err != nil {
panic(err)
}
for _, addr := range addrs {
fmt.Println(addr.String())
}
}
if ip == nil {
panic("No link-local IPv6 found")
}
fmt.Println("Using address:", *ip)
addr := net.UDPAddr{IP: *ip, Port: 9001, Zone: zone}
addr := net.UDPAddr{IP: *ip, Port: 9001, Zone: zone}
saddr := net.UDPAddr{IP: *ip, Port: 9002, Zone: zone}
send, err := net.ListenUDP("udp", &saddr)
defer send.Close()
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", &addr)
defer sock.Close()
if err != nil { panic(err) }
saddr := net.UDPAddr{IP: *ip, Port: 9002, Zone: zone}
send, err := net.ListenUDP("udp", &saddr)
defer send.Close()
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", &addr)
defer sock.Close()
if err != nil {
panic(err)
}
const buffSize = 1048576*100
const buffSize = 1048576 * 100
send.SetWriteBuffer(buffSize)
sock.SetReadBuffer(buffSize)
sock.SetWriteBuffer(buffSize)
send.SetWriteBuffer(buffSize)
sock.SetReadBuffer(buffSize)
sock.SetWriteBuffer(buffSize)
go func() {
msg := make([]byte, 1280)
for {
send.WriteTo(msg, &addr)
}
}()
go func () {
msg := make([]byte, 1280)
for {
send.WriteTo(msg, &addr)
}
}()
numPackets := 100000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
_, addr, _ := sock.ReadFrom(msg)
sock.WriteTo(msg, addr)
}
timed := time.Since(start)
numPackets := 100000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
_, addr, _ := sock.ReadFrom(msg)
sock.WriteTo(msg, addr)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
func main () {
func main() {
basic_test()
basic_test()
}

134
misc/tests/pool.go
View file

@ -1,83 +1,89 @@
package main
import "fmt"
//import "net"
import "time"
import "runtime"
import "sync/atomic"
func poolbench() {
nWorkers := runtime.GOMAXPROCS(0)
work := make(chan func(), 1)
workers := make(chan chan<- func(), nWorkers)
makeWorker := func() chan<- func() {
ch := make(chan func())
go func() {
for {
f := <-ch
f()
select {
case workers<-(ch):
default: return
}
}
}()
return ch
}
getWorker := func() chan<- func() {
select {
case ch := <-workers: return ch
default: return makeWorker()
}
}
dispatcher := func() {
for {
w := <-work
ch := getWorker()
ch<-w
}
}
go dispatcher()
var count uint64
const nCounts = 1000000
for idx := 0 ; idx < nCounts ; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
work <- f
}
for atomic.LoadUint64(&count) < nCounts {}
nWorkers := runtime.GOMAXPROCS(0)
work := make(chan func(), 1)
workers := make(chan chan<- func(), nWorkers)
makeWorker := func() chan<- func() {
ch := make(chan func())
go func() {
for {
f := <-ch
f()
select {
case workers <- (ch):
default:
return
}
}
}()
return ch
}
getWorker := func() chan<- func() {
select {
case ch := <-workers:
return ch
default:
return makeWorker()
}
}
dispatcher := func() {
for {
w := <-work
ch := getWorker()
ch <- w
}
}
go dispatcher()
var count uint64
const nCounts = 1000000
for idx := 0; idx < nCounts; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
work <- f
}
for atomic.LoadUint64(&count) < nCounts {
}
}
func normalbench() {
var count uint64
const nCounts = 1000000
ch := make(chan struct{}, 1)
ch<-struct{}{}
for idx := 0 ; idx < nCounts ; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
f()
<-ch
ch<-struct{}{}
}
var count uint64
const nCounts = 1000000
ch := make(chan struct{}, 1)
ch <- struct{}{}
for idx := 0; idx < nCounts; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
f()
<-ch
ch <- struct{}{}
}
}
func gobench() {
var count uint64
const nCounts = 1000000
for idx := 0 ; idx < nCounts ; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
go f()
}
for atomic.LoadUint64(&count) < nCounts {}
var count uint64
const nCounts = 1000000
for idx := 0; idx < nCounts; idx++ {
f := func() { atomic.AddUint64(&count, 1) }
go f()
}
for atomic.LoadUint64(&count) < nCounts {
}
}
func main() {
start := time.Now()
poolbench()
fmt.Println(time.Since(start))
start = time.Now()
normalbench()
fmt.Println(time.Since(start))
start = time.Now()
gobench()
fmt.Println(time.Since(start))
start := time.Now()
poolbench()
fmt.Println(time.Since(start))
start = time.Now()
normalbench()
fmt.Println(time.Since(start))
start = time.Now()
gobench()
fmt.Println(time.Since(start))
}

109
misc/tests/quic.go
View file

@ -1,64 +1,76 @@
package main
import (
"fmt"
"time"
"bytes"
"sync"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"math/big"
quic "github.com/lucas-clemente/quic-go"
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"fmt"
quic "github.com/lucas-clemente/quic-go"
"math/big"
"sync"
"time"
)
const addr = "[::1]:9001"
func main () {
go run_server()
run_client()
func main() {
go run_server()
run_client()
}
func run_server() {
listener, err := quic.ListenAddr(addr, generateTLSConfig(), nil)
if err != nil { panic(err) }
ses, err := listener.Accept()
if err != nil { panic(err) }
for {
stream, err := ses.AcceptStream()
if err != nil { panic(err) }
go func() {
defer stream.Close()
bs := bytes.Buffer{}
_, err := bs.ReadFrom(stream)
if err != nil { panic(err) } //<-- TooManyOpenStreams
}()
}
listener, err := quic.ListenAddr(addr, generateTLSConfig(), nil)
if err != nil {
panic(err)
}
ses, err := listener.Accept()
if err != nil {
panic(err)
}
for {
stream, err := ses.AcceptStream()
if err != nil {
panic(err)
}
go func() {
defer stream.Close()
bs := bytes.Buffer{}
_, err := bs.ReadFrom(stream)
if err != nil {
panic(err)
} //<-- TooManyOpenStreams
}()
}
}
func run_client() {
msgSize := 1048576
msgCount := 128
ses, err := quic.DialAddr(addr, &tls.Config{InsecureSkipVerify: true}, nil)
if err != nil { panic(err) }
bs := make([]byte, msgSize)
wg := sync.WaitGroup{}
start := time.Now()
for idx := 0 ; idx < msgCount ; idx++ {
wg.Add(1)
go func() {
defer wg.Done()
stream, err := ses.OpenStreamSync()
if err != nil { panic(err) }
defer stream.Close()
stream.Write(bs)
}() // "go" this later
}
wg.Wait()
timed := time.Since(start)
fmt.Println("Client finished", timed, fmt.Sprintf("%f Bits/sec", 8*float64(msgSize*msgCount)/timed.Seconds()))
msgSize := 1048576
msgCount := 128
ses, err := quic.DialAddr(addr, &tls.Config{InsecureSkipVerify: true}, nil)
if err != nil {
panic(err)
}
bs := make([]byte, msgSize)
wg := sync.WaitGroup{}
start := time.Now()
for idx := 0; idx < msgCount; idx++ {
wg.Add(1)
go func() {
defer wg.Done()
stream, err := ses.OpenStreamSync()
if err != nil {
panic(err)
}
defer stream.Close()
stream.Write(bs)
}() // "go" this later
}
wg.Wait()
timed := time.Since(start)
fmt.Println("Client finished", timed, fmt.Sprintf("%f Bits/sec", 8*float64(msgSize*msgCount)/timed.Seconds()))
}
// Setup a bare-bones TLS config for the server
@ -81,4 +93,3 @@ func generateTLSConfig() *tls.Config {
}
return &tls.Config{Certificates: []tls.Certificate{tlsCert}}
}

93
misc/tests/socktest.go
View file

@ -11,59 +11,64 @@ import "runtime/pprof"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
addr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", addr)
if err != nil { panic(err) }
defer sock.Close()
addr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", addr)
if err != nil {
panic(err)
}
defer sock.Close()
go func () {
send, err := net.DialUDP("udp", nil, addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
}
}()
go func() {
send, err := net.DialUDP("udp", nil, addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
}
}()
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
sock.ReadFrom(msg)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
sock.ReadFrom(msg)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

111
misc/tests/socktest2.go
View file

@ -11,67 +11,74 @@ import "runtime/pprof"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
addr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", addr)
if err != nil { panic(err) }
defer sock.Close()
addr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", addr)
if err != nil {
panic(err)
}
defer sock.Close()
go func () {
send, err := net.DialUDP("udp", nil, addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
for {
for len(bss) < 1024 {
bss = append(bss, msg)
}
bss.WriteTo(send)
//bss = bss[:0]
//send.Write(msg)
}
}()
go func() {
send, err := net.DialUDP("udp", nil, addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
for {
for len(bss) < 1024 {
bss = append(bss, msg)
}
bss.WriteTo(send)
//bss = bss[:0]
//send.Write(msg)
}
}()
numPackets := 1000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
n, err := sock.Read(msg)
if err != nil { panic(err) }
fmt.Println(n)
}
timed := time.Since(start)
numPackets := 1000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
n, err := sock.Read(msg)
if err != nil {
panic(err)
}
fmt.Println(n)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

163
misc/tests/socktest_linklocal.go
View file

@ -11,89 +11,106 @@ import "time"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
var ip *net.IP
ifaces, err := net.Interfaces()
if err != nil { panic(err) }
var zone string
for _, iface := range ifaces {
addrs, err := iface.Addrs()
if err != nil { panic(err) }
for _, addr := range addrs {
addrIP, _, _ := net.ParseCIDR(addr.String())
if addrIP.To4() != nil { continue } // IPv6 only
if !addrIP.IsLinkLocalUnicast() { continue }
fmt.Println(iface.Name, addrIP)
zone = iface.Name
ip = &addrIP
}
if ip != nil { break }
/*
addrs, err = iface.MulticastAddrs()
if err != nil { panic(err) }
for _, addr := range addrs {
fmt.Println(addr.String())
}
*/
}
if ip == nil { panic("No link-local IPv6 found") }
fmt.Println("Using address:", *ip)
addr := net.UDPAddr{IP: *ip, Port: 9001, Zone: zone}
var ip *net.IP
ifaces, err := net.Interfaces()
if err != nil {
panic(err)
}
var zone string
for _, iface := range ifaces {
addrs, err := iface.Addrs()
if err != nil {
panic(err)
}
for _, addr := range addrs {
addrIP, _, _ := net.ParseCIDR(addr.String())
if addrIP.To4() != nil {
continue
} // IPv6 only
if !addrIP.IsLinkLocalUnicast() {
continue
}
fmt.Println(iface.Name, addrIP)
zone = iface.Name
ip = &addrIP
}
if ip != nil {
break
}
/*
addrs, err = iface.MulticastAddrs()
if err != nil { panic(err) }
for _, addr := range addrs {
fmt.Println(addr.String())
}
*/
}
if ip == nil {
panic("No link-local IPv6 found")
}
fmt.Println("Using address:", *ip)
addr := net.UDPAddr{IP: *ip, Port: 9001, Zone: zone}
laddr, err := net.ResolveUDPAddr("udp", "[::]:9001")
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", laddr)
if err != nil { panic(err) }
defer sock.Close()
laddr, err := net.ResolveUDPAddr("udp", "[::]:9001")
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", laddr)
if err != nil {
panic(err)
}
defer sock.Close()
go func () {
send, err := net.DialUDP("udp", nil, &addr)
//send, err := net.ListenUDP("udp", nil)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
//send.WriteToUDP(msg, &addr)
}
}()
go func() {
send, err := net.DialUDP("udp", nil, &addr)
//send, err := net.ListenUDP("udp", nil)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
//send.WriteToUDP(msg, &addr)
}
}()
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

141
misc/tests/socktest_tcp.go
View file

@ -13,82 +13,91 @@ const buffSize = 32
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil { panic(err) }
listener, err := net.ListenTCP("tcp", addr)
if err != nil { panic(err) }
defer listener.Close()
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil {
panic(err)
}
listener, err := net.ListenTCP("tcp", addr)
if err != nil {
panic(err)
}
defer listener.Close()
go func () {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
for {
for len(bss) < 1 { //buffSize {
bss = append(bss, msg)
}
bss := net.Buffers{[]byte{0,1,2,3}, []byte{0,1}, msg}
bss.WriteTo(send)
//send.Write(msg)
}
}()
go func() {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
for {
for len(bss) < 1 { //buffSize {
bss = append(bss, msg)
}
bss := net.Buffers{[]byte{0, 1, 2, 3}, []byte{0, 1}, msg}
bss.WriteTo(send)
//send.Write(msg)
}
}()
numPackets := 1000000
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil { panic(err) }
defer sock.Close()
for i := 0 ; i < numPackets ; i++ {
msg := make([]byte, 1280*buffSize)
n, err := sock.Read(msg)
if err != nil { panic(err) }
msg = msg[:n]
for len(msg) > 1286 {
// handle message
i++
msg = msg[1286:]
}
// handle remaining fragment of message
//fmt.Println(n)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil {
panic(err)
}
defer sock.Close()
for i := 0; i < numPackets; i++ {
msg := make([]byte, 1280*buffSize)
n, err := sock.Read(msg)
if err != nil {
panic(err)
}
msg = msg[:n]
for len(msg) > 1286 {
// handle message
i++
msg = msg[1286:]
}
// handle remaining fragment of message
//fmt.Println(n)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
_ = func (in (chan<- int)) {
close(in)
}
_ = func(in chan<- int) {
close(in)
}
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

99
misc/tests/socktest_udp.go
View file

@ -11,62 +11,67 @@ import "runtime/pprof"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
addr, err := net.ResolveUDPAddr("udp", "[::1]:0")
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", addr)
if err != nil { panic(err) }
defer sock.Close()
addr, err := net.ResolveUDPAddr("udp", "[::1]:0")
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", addr)
if err != nil {
panic(err)
}
defer sock.Close()
go func () {
raddr := sock.LocalAddr().(*net.UDPAddr)
send, err := net.DialUDP("udp", nil, raddr)
//send, err := net.ListenUDP("udp", addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
//send.WriteToUDP(msg, raddr)
}
}()
go func() {
raddr := sock.LocalAddr().(*net.UDPAddr)
send, err := net.DialUDP("udp", nil, raddr)
//send, err := net.ListenUDP("udp", addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
for {
send.Write(msg)
//send.WriteToUDP(msg, raddr)
}
}()
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
sock.ReadFromUDP(msg)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

99
misc/tests/socktest_udp2.go
View file

@ -11,62 +11,69 @@ import "runtime/pprof"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
saddr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil { panic(err) }
raddr, err := net.ResolveUDPAddr("udp", "[::1]:9002")
if err != nil { panic(err) }
saddr, err := net.ResolveUDPAddr("udp", "[::1]:9001")
if err != nil {
panic(err)
}
raddr, err := net.ResolveUDPAddr("udp", "[::1]:9002")
if err != nil {
panic(err)
}
send, err := net.DialUDP("udp", saddr, raddr)
if err != nil { panic(err) }
defer send.Close()
send, err := net.DialUDP("udp", saddr, raddr)
if err != nil {
panic(err)
}
defer send.Close()
recv, err := net.DialUDP("udp", raddr, saddr)
if err != nil { panic(err) }
defer recv.Close()
recv, err := net.DialUDP("udp", raddr, saddr)
if err != nil {
panic(err)
}
defer recv.Close()
go func () {
msg := make([]byte, 1280)
for {
send.Write(msg)
}
}()
go func() {
msg := make([]byte, 1280)
for {
send.Write(msg)
}
}()
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0 ; i < numPackets ; i++ {
recv.Read(msg)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
msg := make([]byte, 2000)
for i := 0; i < numPackets; i++ {
recv.Read(msg)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

130
misc/tests/socktest_udp_nodial.go
View file

@ -11,78 +11,82 @@ import "runtime/pprof"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
sock, err := net.ListenUDP("udp", nil)
if err != nil { panic(err) }
defer sock.Close()
sock, err := net.ListenUDP("udp", nil)
if err != nil {
panic(err)
}
defer sock.Close()
ch := make(chan []byte, 1)
ch := make(chan []byte, 1)
writer := func () {
raddr := sock.LocalAddr().(*net.UDPAddr)
//send, err := net.ListenUDP("udp", nil)
//if err != nil { panic(err) }
//defer send.Close()
for {
select {
case <-ch:
default:
}
msg := make([]byte, 1280)
sock.WriteToUDP(msg, raddr)
//send.WriteToUDP(msg, raddr)
}
}
go writer()
//go writer()
//go writer()
//go writer()
writer := func() {
raddr := sock.LocalAddr().(*net.UDPAddr)
//send, err := net.ListenUDP("udp", nil)
//if err != nil { panic(err) }
//defer send.Close()
for {
select {
case <-ch:
default:
}
msg := make([]byte, 1280)
sock.WriteToUDP(msg, raddr)
//send.WriteToUDP(msg, raddr)
}
}
go writer()
//go writer()
//go writer()
//go writer()
numPackets := 65536
size := 0
start := time.Now()
success := 0
for i := 0 ; i < numPackets ; i++ {
msg := make([]byte, 2048)
n, _, err := sock.ReadFromUDP(msg)
if err != nil { panic(err) }
size += n
select {
case ch <- msg: success += 1
default:
}
}
timed := time.Since(start)
numPackets := 65536
size := 0
start := time.Now()
success := 0
for i := 0; i < numPackets; i++ {
msg := make([]byte, 2048)
n, _, err := sock.ReadFromUDP(msg)
if err != nil {
panic(err)
}
size += n
select {
case ch <- msg:
success += 1
default:
}
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f bits per second\n", 8*float64(size)/timed.Seconds())
fmt.Println("Success:", success, "/", numPackets)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f bits per second\n", 8*float64(size)/timed.Seconds())
fmt.Println("Success:", success, "/", numPackets)
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

187
misc/tests/socktest_udp_sendmmsg.go
View file

@ -13,105 +13,112 @@ import "golang.org/x/net/ipv6"
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
udpAddr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
if err != nil { panic(err) }
sock, err := net.ListenUDP("udp", udpAddr)
if err != nil { panic(err) }
defer sock.Close()
udpAddr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
if err != nil {
panic(err)
}
sock, err := net.ListenUDP("udp", udpAddr)
if err != nil {
panic(err)
}
defer sock.Close()
writer := func () {
raddr := sock.LocalAddr().(*net.UDPAddr)
send, err := net.ListenUDP("udp", nil)
if err != nil { panic(err) }
defer send.Close()
conn := ipv6.NewPacketConn(send)
defer conn.Close()
var msgs []ipv6.Message
for idx := 0 ; idx < 1024 ; idx++ {
msg := ipv6.Message{Addr: raddr, Buffers: [][]byte{make([]byte, 1280)}}
msgs = append(msgs, msg)
}
for {
/*
var msgs []ipv6.Message
for idx := 0 ; idx < 1024 ; idx++ {
msg := ipv6.Message{Addr: raddr, Buffers: [][]byte{make([]byte, 1280)}}
msgs = append(msgs, msg)
}
*/
conn.WriteBatch(msgs, 0)
}
writer := func() {
raddr := sock.LocalAddr().(*net.UDPAddr)
send, err := net.ListenUDP("udp", nil)
if err != nil {
panic(err)
}
defer send.Close()
conn := ipv6.NewPacketConn(send)
defer conn.Close()
var msgs []ipv6.Message
for idx := 0; idx < 1024; idx++ {
msg := ipv6.Message{Addr: raddr, Buffers: [][]byte{make([]byte, 1280)}}
msgs = append(msgs, msg)
}
for {
/*
var msgs []ipv6.Message
for idx := 0 ; idx < 1024 ; idx++ {
msg := ipv6.Message{Addr: raddr, Buffers: [][]byte{make([]byte, 1280)}}
msgs = append(msgs, msg)
}
*/
conn.WriteBatch(msgs, 0)
}
}
go writer()
//go writer()
//go writer()
//go writer()
}
go writer()
//go writer()
//go writer()
//go writer()
numPackets := 65536
size := 0
count := 0
start := time.Now()
/*
conn := ipv6.NewPacketConn(sock)
defer conn.Close()
for ; count < numPackets ; count++ {
msgs := make([]ipv6.Message, 1024)
for _, msg := range msgs {
msg.Buffers = append(msg.Buffers, make([]byte, 2048))
}
n, err := conn.ReadBatch(msgs, 0)
if err != nil { panic(err) }
fmt.Println("DEBUG: n", n)
for _, msg := range msgs[:n] {
fmt.Println("DEBUG: msg", msg)
size += msg.N
//for _, bs := range msg.Buffers {
// size += len(bs)
//}
count++
}
}
//*/
//*
for ; count < numPackets ; count++ {
msg := make([]byte, 2048)
n, _, err := sock.ReadFromUDP(msg)
if err != nil { panic(err) }
size += n
}
//*/
timed := time.Since(start)
numPackets := 65536
size := 0
count := 0
start := time.Now()
/*
conn := ipv6.NewPacketConn(sock)
defer conn.Close()
for ; count < numPackets ; count++ {
msgs := make([]ipv6.Message, 1024)
for _, msg := range msgs {
msg.Buffers = append(msg.Buffers, make([]byte, 2048))
}
n, err := conn.ReadBatch(msgs, 0)
if err != nil { panic(err) }
fmt.Println("DEBUG: n", n)
for _, msg := range msgs[:n] {
fmt.Println("DEBUG: msg", msg)
size += msg.N
//for _, bs := range msg.Buffers {
// size += len(bs)
//}
count++
}
}
//*/
//*
for ; count < numPackets; count++ {
msg := make([]byte, 2048)
n, _, err := sock.ReadFromUDP(msg)
if err != nil {
panic(err)
}
size += n
}
//*/
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(count)/timed.Seconds())
fmt.Printf("%f bits/second\n", float64(8*size)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(count)/timed.Seconds())
fmt.Printf("%f bits/second\n", float64(8*size)/timed.Seconds())
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

145
misc/tests/tcptest.go
View file

@ -13,84 +13,93 @@ const buffSize = 32
func basic_test() {
// TODO need a way to look up who our link-local neighbors are for each iface!
// TODO need a way to look up who our link-local neighbors are for each iface!
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil { panic(err) }
listener, err := net.ListenTCP("tcp", addr)
if err != nil { panic(err) }
defer listener.Close()
addr, err := net.ResolveTCPAddr("tcp", "[::1]:9001")
if err != nil {
panic(err)
}
listener, err := net.ListenTCP("tcp", addr)
if err != nil {
panic(err)
}
defer listener.Close()
go func () {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil { panic(err) }
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
count := 0
for {
time.Sleep(100*time.Millisecond)
for len(bss) < count {
bss = append(bss, msg)
}
bss.WriteTo(send)
count++
//send.Write(msg)
}
}()
go func() {
send, err := net.DialTCP("tcp", nil, addr)
if err != nil {
panic(err)
}
defer send.Close()
msg := make([]byte, 1280)
bss := make(net.Buffers, 0, 1024)
count := 0
for {
time.Sleep(100 * time.Millisecond)
for len(bss) < count {
bss = append(bss, msg)
}
bss.WriteTo(send)
count++
//send.Write(msg)
}
}()
numPackets := 1000000
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil { panic(err) }
defer sock.Close()
for {
msg := make([]byte, 1280*buffSize)
n, err := sock.Read(msg)
if err != nil { panic(err) }
msg = msg[:n]
fmt.Println("Read:", n)
for len(msg) > 1280 {
// handle message
msg = msg[1280:]
}
// handle remaining fragment of message
//fmt.Println(n)
}
timed := time.Since(start)
numPackets := 1000000
start := time.Now()
//msg := make([]byte, 1280)
sock, err := listener.AcceptTCP()
if err != nil {
panic(err)
}
defer sock.Close()
for {
msg := make([]byte, 1280*buffSize)
n, err := sock.Read(msg)
if err != nil {
panic(err)
}
msg = msg[:n]
fmt.Println("Read:", n)
for len(msg) > 1280 {
// handle message
msg = msg[1280:]
}
// handle remaining fragment of message
//fmt.Println(n)
}
timed := time.Since(start)
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
fmt.Printf("%f packets per second\n", float64(numPackets)/timed.Seconds())
_ = func (in (chan<- int)) {
close(in)
}
_ = func(in chan<- int) {
close(in)
}
}
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`")
var memprofile = flag.String("memprofile", "", "write memory profile to this file")
func main () {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func () { pprof.WriteHeapProfile(f) ; f.Close() }()
}
basic_test()
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(fmt.Sprintf("could not create CPU profile: ", err))
}
if err := pprof.StartCPUProfile(f); err != nil {
panic(fmt.Sprintf("could not start CPU profile: ", err))
}
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(fmt.Sprintf("could not create memory profile: ", err))
}
defer func() { pprof.WriteHeapProfile(f); f.Close() }()
}
basic_test()
}

75
misc/tests/tunbench-client.go
View file

@ -1,11 +1,11 @@
package main
import (
"fmt"
"fmt"
"log"
"net"
"os/exec"
"time"
"net"
"os/exec"
"time"
"github.com/songgao/water"
)
@ -17,54 +17,56 @@ func setup_dev() *water.Interface {
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
return ifce
return ifce
}
func setup_dev1() *water.Interface {
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", ifce.Name(),
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", ifce.Name(),
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
}
func connect(ifce *water.Interface) {
conn, err := net.DialTimeout("tcp", "192.168.2.2:9001", time.Second)
if err != nil { panic(err) }
sock := conn.(*net.TCPConn)
// TODO go a worker to move packets to/from the tun
conn, err := net.DialTimeout("tcp", "192.168.2.2:9001", time.Second)
if err != nil {
panic(err)
}
sock := conn.(*net.TCPConn)
// TODO go a worker to move packets to/from the tun
}
func bench() {
}
func main() {
ifce := setup_dev1()
connect(ifce)
bench()
fmt.Println("Done?")
return
ifce := setup_dev1()
connect(ifce)
bench()
fmt.Println("Done?")
return
ifce, err := water.New(water.Config{
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
log.Printf("Interface Name: %s\n", ifce.Name())
@ -73,10 +75,9 @@ func main() {
for {
n, err := ifce.Read(packet)
if err != nil {
panic(err)
panic(err)
log.Fatal(err)
}
log.Printf("Packet Received: % x\n", packet[:n])
}
}

135
misc/tests/tunbench-server.go
View file

@ -1,10 +1,10 @@
package main
import (
"fmt"
"fmt"
"log"
"net"
"os/exec"
"net"
"os/exec"
"github.com/songgao/water"
)
@ -17,84 +17,84 @@ func setup_dev() *water.Interface {
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
return ifce
return ifce
}
func setup_dev1() *water.Interface {
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::1/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::1/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
}
func addNS(name string) {
cmd := exec.COmmand("ip", "netns", "add", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
cmd := exec.COmmand("ip", "netns", "add", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
}
func delNS(name string) {
cmd := exec.COmmand("ip", "netns", "delete", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
cmd := exec.COmmand("ip", "netns", "delete", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
}
func doInNetNS(comm ...string) *exec.Cmd {
return exec.Command("ip", "netns", "exec", netnsName, comm...)
return exec.Command("ip", "netns", "exec", netnsName, comm...)
}
func setup_dev2() *water.Interface {
ifce := setup_dev()
addNS(netnsName)
cmd := exec.Command("ip", "link", "set", ifce.Name(), "netns", netnsName)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to move tun to netns")
}
cmd = doInNetNS("ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = doInNetNS("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to bring up interface")
}
return ifce
ifce := setup_dev()
addNS(netnsName)
cmd := exec.Command("ip", "link", "set", ifce.Name(), "netns", netnsName)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to move tun to netns")
}
cmd = doInNetNS("ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = doInNetNS("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to bring up interface")
}
return ifce
}
func connect() {
@ -109,7 +109,7 @@ func main() {
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
log.Printf("Interface Name: %s\n", ifce.Name())
@ -118,10 +118,9 @@ func main() {
for {
n, err := ifce.Read(packet)
if err != nil {
panic(err)
panic(err)
log.Fatal(err)
}
log.Printf("Packet Received: % x\n", packet[:n])
}
}

140
misc/tests/tunbench.go
View file

@ -1,10 +1,10 @@
package main
import (
"fmt"
"fmt"
"log"
"net"
"os/exec"
"net"
"os/exec"
"github.com/songgao/water"
)
@ -17,87 +17,86 @@ func setup_dev() *water.Interface {
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
return ifce
return ifce
}
func setup_dev1() *water.Interface {
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::1/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
ifce := setup_dev()
cmd := exec.Command("ip", "-f", "inet6",
"addr", "add", "fc00::1/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to assign address")
}
cmd = exec.Command("ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err = cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to bring up interface")
}
return ifce
}
func addNS(name string) {
cmd := exec.COmmand("ip", "netns", "add", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
cmd := exec.COmmand("ip", "netns", "add", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
}
func delNS(name string) {
cmd := exec.COmmand("ip", "netns", "delete", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
cmd := exec.COmmand("ip", "netns", "delete", name)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to setup netns")
}
}
func doInNetNS(comm ...string) *exec.Cmd {
return exec.Command("ip", "netns", "exec", netnsName, comm...)
return exec.Command("ip", "netns", "exec", netnsName, comm...)
}
func setup_dev2() *water.Interface {
ifce := setup_dev()
addNS(netnsName)
cmd := exec.Command("ip", "link", "set", ifce.Name(), "netns", netnsName)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to move tun to netns")
}
cmd =
cmd = exec.Command(
"ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = exec.Command(
"ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to bring up interface")
}
return ifce
ifce := setup_dev()
addNS(netnsName)
cmd := exec.Command("ip", "link", "set", ifce.Name(), "netns", netnsName)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to move tun to netns")
}
cmd = exec.Command(
"ip", "-f", "inet6",
"addr", "add", "fc00::2/8",
"dev", ifce.Name())
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
panic("Failed to assign address")
}
cmd = exec.Command(
"ip", "link", "set",
"dev", tun.name,
"mtu", fmt.Sprintf("%d", mtu),
"up")
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(string(err))
panic("Failed to bring up interface")
}
return ifce
}
func connect() {
@ -112,7 +111,7 @@ func main() {
DeviceType: water.TUN,
})
if err != nil {
panic(err)
panic(err)
}
log.Printf("Interface Name: %s\n", ifce.Name())
@ -121,10 +120,9 @@ func main() {
for {
n, err := ifce.Read(packet)
if err != nil {
panic(err)
panic(err)
log.Fatal(err)
}
log.Printf("Packet Received: % x\n", packet[:n])
}
}

10
misc/tests/tuntest.go
View file

@ -27,14 +27,18 @@ func main() {
}
}()
address := net.ParseIP("fc00::1")
address := net.ParseIP("fc00::1")
tuntap, err := tun.OpenTun(address)
if err != nil { panic(err) }
if err != nil {
panic(err)
}
defer tuntap.Close()
// read data from tun into rCh channel.
wg.Add(1)
go func() {
if err := tuntap.Read(rCh); err != nil { panic(err) }
if err := tuntap.Read(rCh); err != nil {
panic(err)
}
wg.Done()
}()
wg.Wait()

59
misc/tests/wire-test.go
View file

@ -6,34 +6,35 @@ import "fmt"
import "time"
func main() {
for idx := 0 ; idx < 64 ; idx++ {
num := uint64(1) << uint(idx)
encoded := make([]byte, 10)
length := wire.Encode_uint64(num, encoded)
decoded, _ := wire.Decode_uint64(encoded[:length])
if decoded != num { panic(fmt.Sprintf("%d != %d", decoded, num)) }
}
const count = 1000000
start := time.Now()
encoded := make([]byte, 10)
//num := ^uint64(0) // Longest possible value for full uint64 range
num := ^uint64(0) >> 1 // Largest positive int64 (real use case)
//num := uint64(0) // Shortest possible value, most will be of this length
length := wire.Encode_uint64(num, encoded)
for idx := 0 ; idx < count ; idx++ {
wire.Encode_uint64(num, encoded)
}
timed := time.Since(start)
fmt.Println("Ops:", count/timed.Seconds())
fmt.Println("Time:", timed.Nanoseconds()/count)
for idx := 0; idx < 64; idx++ {
num := uint64(1) << uint(idx)
encoded := make([]byte, 10)
length := wire.Encode_uint64(num, encoded)
decoded, _ := wire.Decode_uint64(encoded[:length])
if decoded != num {
panic(fmt.Sprintf("%d != %d", decoded, num))
}
}
const count = 1000000
start := time.Now()
encoded := make([]byte, 10)
//num := ^uint64(0) // Longest possible value for full uint64 range
num := ^uint64(0) >> 1 // Largest positive int64 (real use case)
//num := uint64(0) // Shortest possible value, most will be of this length
length := wire.Encode_uint64(num, encoded)
for idx := 0; idx < count; idx++ {
wire.Encode_uint64(num, encoded)
}
timed := time.Since(start)
fmt.Println("Ops:", count/timed.Seconds())
fmt.Println("Time:", timed.Nanoseconds()/count)
encoded = encoded[:length]
start = time.Now()
for idx := 0 ; idx < count ; idx++ {
wire.Decode_uint64(encoded)
}
timed = time.Since(start)
fmt.Println("Ops:", count/timed.Seconds())
fmt.Println("Time:", timed.Nanoseconds()/count)
encoded = encoded[:length]
start = time.Now()
for idx := 0; idx < count; idx++ {
wire.Decode_uint64(encoded)
}
timed = time.Since(start)
fmt.Println("Ops:", count/timed.Seconds())
fmt.Println("Time:", timed.Nanoseconds()/count)
}