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//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || windows
package gnet
import (
"bytes"
crand "crypto/rand"
"io"
"math/rand"
"net"
"path/filepath"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
errorx "github.com/panjf2000/gnet/v2/pkg/errors"
"github.com/panjf2000/gnet/v2/pkg/logging"
bbPool "github.com/panjf2000/gnet/v2/pkg/pool/bytebuffer"
goPool "github.com/panjf2000/gnet/v2/pkg/pool/goroutine"
)
type connHandler struct {
network string
rspCh chan []byte
data []byte
}
type clientEvents struct {
*BuiltinEventEngine
tester *testing.T
svr *testClient
}
func (ev *clientEvents) OnBoot(e Engine) Action {
fd, err := e.Dup()
assert.ErrorIsf(ev.tester, err, errorx.ErrEmptyEngine, "expected error: %v, but got: %v",
errorx.ErrUnsupportedOp, err)
assert.EqualValuesf(ev.tester, fd, -1, "expected -1, but got: %d", fd)
fd, err = e.DupListener("tcp", "abc")
assert.ErrorIsf(ev.tester, err, errorx.ErrEmptyEngine, "expected error: %v, but got: %v",
errorx.ErrUnsupportedOp, err)
assert.EqualValuesf(ev.tester, fd, -1, "expected -1, but got: %d", fd)
return None
}
var pingMsg = []byte("PING\r\n")
func (ev *clientEvents) OnOpen(Conn) (out []byte, action Action) {
out = pingMsg
return
}
func (ev *clientEvents) OnClose(Conn, error) Action {
if ev.svr != nil {
if atomic.AddInt32(&ev.svr.clientActive, -1) == 0 {
return Shutdown
}
}
return None
}
func (ev *clientEvents) OnTraffic(c Conn) (action Action) {
handler := c.Context().(*connHandler)
packetLen := streamLen
if handler.network == "udp" {
packetLen = datagramLen
}
buf, err := c.Next(-1)
assert.NoError(ev.tester, err)
handler.data = append(handler.data, buf...)
if len(handler.data) < packetLen {
return
}
handler.rspCh <- handler.data
handler.data = nil
return
}
func (ev *clientEvents) OnTick() (delay time.Duration, action Action) {
delay = 200 * time.Millisecond
return
}
func (ev *clientEvents) OnShutdown(e Engine) {
fd, err := e.Dup()
assert.ErrorIsf(ev.tester, err, errorx.ErrEmptyEngine, "expected error: %v, but got: %v",
errorx.ErrUnsupportedOp, err)
assert.EqualValuesf(ev.tester, fd, -1, "expected -1, but got: %d", fd)
fd, err = e.DupListener("tcp", "abc")
assert.ErrorIsf(ev.tester, err, errorx.ErrEmptyEngine, "expected error: %v, but got: %v",
errorx.ErrUnsupportedOp, err)
assert.EqualValuesf(ev.tester, fd, -1, "expected -1, but got: %d", fd)
}
func TestClient(t *testing.T) {
// start an engine
// connect 10 clients
// each client will pipe random data for 1-3 seconds.
// the writes to the engine will be random sizes. 0KB - 1MB.
// the engine will echo back the data.
// waits for graceful connection closing.
t.Run("poll-LT", func(t *testing.T) {
t.Run("tcp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{false, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{false, 0, false, true, false, false, 10, LeastConnections})
})
})
t.Run("tcp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{false, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{false, 0, false, true, true, false, 10, LeastConnections})
})
})
t.Run("udp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{false, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{false, 0, false, true, false, false, 10, LeastConnections})
})
})
t.Run("udp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{false, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{false, 0, false, true, true, false, 10, LeastConnections})
})
})
t.Run("unix", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, false, true, false, false, 10, SourceAddrHash})
})
})
t.Run("unix-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, false, true, true, false, 10, SourceAddrHash})
})
})
})
t.Run("poll-ET", func(t *testing.T) {
t.Run("tcp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 0, false, true, false, false, 10, LeastConnections})
})
})
t.Run("tcp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 0, false, true, true, false, 10, LeastConnections})
})
})
t.Run("udp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 0, false, true, false, false, 10, LeastConnections})
})
})
t.Run("udp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 0, false, true, true, false, 10, LeastConnections})
})
})
t.Run("unix", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, false, true, false, false, 10, SourceAddrHash})
})
})
t.Run("unix-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, false, true, true, false, 10, SourceAddrHash})
})
})
})
t.Run("poll-ET-chunk", func(t *testing.T) {
t.Run("tcp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 1 << 18, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 1 << 19, false, true, false, false, 10, LeastConnections})
})
})
t.Run("tcp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 1 << 18, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 1 << 19, false, true, true, false, 10, LeastConnections})
})
})
t.Run("udp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 1 << 18, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 1 << 19, false, true, false, false, 10, LeastConnections})
})
})
t.Run("udp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 1 << 18, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 1 << 19, false, true, true, false, 10, LeastConnections})
})
})
t.Run("unix", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 1 << 18, false, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 1 << 19, false, true, false, false, 10, SourceAddrHash})
})
})
t.Run("unix-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 1 << 18, false, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 1 << 19, false, true, true, false, 10, SourceAddrHash})
})
})
})
t.Run("poll-reuseport-LT", func(t *testing.T) {
t.Run("tcp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{false, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{false, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("tcp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{false, 0, true, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{false, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("udp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{false, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{false, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("udp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{false, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{false, 0, true, true, true, false, 10, LeastConnections})
})
})
t.Run("unix", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("unix-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, true, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{false, 0, true, true, true, false, 10, LeastConnections})
})
})
})
t.Run("poll-reuseport-ET", func(t *testing.T) {
t.Run("tcp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("tcp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "tcp", ":9991", &testConf{true, 0, true, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "tcp", ":9992", &testConf{true, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("udp", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("udp-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "udp", ":9991", &testConf{true, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "udp", ":9992", &testConf{true, 0, true, true, true, false, 10, LeastConnections})
})
})
t.Run("unix", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, true, false, false, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, true, true, false, false, 10, LeastConnections})
})
})
t.Run("unix-async", func(t *testing.T) {
t.Run("1-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, true, false, true, false, 10, RoundRobin})
})
t.Run("N-loop", func(t *testing.T) {
runClient(t, "unix", testUnixAddr(t), &testConf{true, 0, true, true, true, false, 10, LeastConnections})
})
})
})
}
type testClient struct {
*BuiltinEventEngine
client *Client
tester *testing.T
eng Engine
network string
addr string
multicore bool
async bool
nclients int
started int32
connected int32
clientActive int32
disconnected int32
udpReadHeader int32
}
func (s *testClient) OnBoot(eng Engine) (action Action) {
s.eng = eng
return
}
func (s *testClient) OnOpen(c Conn) (out []byte, action Action) {
c.SetContext(&sync.Once{})
atomic.AddInt32(&s.connected, 1)
assert.NotNil(s.tester, c.LocalAddr(), "nil local addr")
assert.NotNil(s.tester, c.RemoteAddr(), "nil remote addr")
return
}
func (s *testClient) OnClose(c Conn, err error) (action Action) {
if err != nil {
logging.Debugf("error occurred on closed, %v\n", err)
}
if s.network != "udp" {
assert.IsType(s.tester, c.Context(), new(sync.Once), "invalid context")
}
atomic.AddInt32(&s.disconnected, 1)
if atomic.LoadInt32(&s.connected) == atomic.LoadInt32(&s.disconnected) &&
atomic.LoadInt32(&s.disconnected) == int32(s.nclients) {
action = Shutdown
}
return
}
func (s *testClient) OnShutdown(Engine) {
if s.network == "udp" {
assert.EqualValues(s.tester, int32(s.nclients), atomic.LoadInt32(&s.udpReadHeader))
}
}
func (s *testClient) OnTraffic(c Conn) (action Action) {
readHeader := func() {
ping := make([]byte, len(pingMsg))
n, err := io.ReadFull(c, ping)
assert.NoError(s.tester, err)
assert.EqualValues(s.tester, len(pingMsg), n)
assert.Equal(s.tester, string(pingMsg), string(ping), "bad header")
}
v := c.Context()
if v != nil {
v.(*sync.Once).Do(readHeader)
}
if s.async {
buf := bbPool.Get()
_, err := c.WriteTo(buf)
assert.NoError(s.tester, err, "WriteTo error")
if s.network == "tcp" || s.network == "unix" {
// just for test
_ = c.InboundBuffered()
_ = c.OutboundBuffered()
_, _ = c.Discard(1)
}
if v == nil && bytes.Equal(buf.Bytes(), pingMsg) {
atomic.AddInt32(&s.udpReadHeader, 1)
buf.Reset()
}
err = goPool.DefaultWorkerPool.Submit(
func() {
if buf.Len() > 0 {
err := c.AsyncWrite(buf.Bytes(), nil)
assert.NoError(s.tester, err)
}
})
assert.NoError(s.tester, err)
return
}
buf, err := c.Next(-1)
assert.NoError(s.tester, err, "Reading data error")
if v == nil && bytes.Equal(buf, pingMsg) {
atomic.AddInt32(&s.udpReadHeader, 1)
buf = nil
}
if len(buf) > 0 {
n, err := c.Write(buf)
assert.NoError(s.tester, err)
assert.EqualValues(s.tester, len(buf), n)
}
return
}
func (s *testClient) OnTick() (delay time.Duration, action Action) {
delay = 100 * time.Millisecond
if atomic.CompareAndSwapInt32(&s.started, 0, 1) {
for i := 0; i < s.nclients; i++ {
atomic.AddInt32(&s.clientActive, 1)
var netConn bool
if i%2 == 0 {
netConn = true
}
err := goPool.DefaultWorkerPool.Submit(
func() {
startGnetClient(s.tester, s.client, s.network, s.addr, s.multicore, s.async, netConn)
})
assert.NoError(s.tester, err)
}
}
if s.network == "udp" && atomic.LoadInt32(&s.clientActive) == 0 {
action = Shutdown
return
}
return
}
func runClient(t *testing.T, network, addr string, conf *testConf) {
ts := &testClient{
tester: t,
network: network,
addr: addr,
multicore: conf.multicore,
async: conf.async,
nclients: conf.clients,
}
var err error
clientEV := &clientEvents{tester: t, svr: ts}
ts.client, err = NewClient(
clientEV,
WithMulticore(conf.multicore),
WithEdgeTriggeredIO(conf.et),
WithEdgeTriggeredIOChunk(conf.etChunk),
WithTCPNoDelay(TCPNoDelay),
WithLockOSThread(true),
WithTicker(true),
)
assert.NoError(t, err)
err = ts.client.Start()
assert.NoError(t, err)
defer ts.client.Stop() //nolint:errcheck
err = Run(ts,
network+"://"+addr,
WithEdgeTriggeredIO(conf.et),
WithEdgeTriggeredIOChunk(conf.etChunk),
WithLockOSThread(conf.async),
WithMulticore(conf.multicore),
WithReusePort(conf.reuseport),
WithTicker(true),
WithTCPKeepAlive(time.Minute),
WithTCPKeepInterval(time.Second*10),
WithTCPKeepCount(10),
WithLoadBalancing(conf.lb))
assert.NoError(t, err)
}
func startGnetClient(t *testing.T, cli *Client, network, addr string, multicore, async, netDial bool) {
var (
c Conn
err error
)
handler := &connHandler{
network: network,
rspCh: make(chan []byte, 1),
}
if netDial {
var netConn net.Conn
netConn, err = net.Dial(network, addr)
assert.NoError(t, err)
c, err = cli.EnrollContext(netConn, handler)
} else {
c, err = cli.DialContext(network, addr, handler)
}
assert.NoError(t, err)
defer c.Close() //nolint:errcheck
err = c.Wake(nil)
assert.NoError(t, err)
rspCh := handler.rspCh
duration := time.Duration((rand.Float64()*2+1)*float64(time.Second)) / 2
logging.Debugf("test duration: %v", duration)
start := time.Now()
for time.Since(start) < duration {
reqData := make([]byte, streamLen)
if network == "udp" {
reqData = reqData[:datagramLen]
}
_, err = crand.Read(reqData)
assert.NoError(t, err)
err = c.AsyncWrite(reqData, nil)
assert.NoError(t, err)
respData := <-rspCh
assert.NoError(t, err)
if !async {
// assert.Equalf(t, reqData, respData, "response mismatch with protocol:%s, multi-core:%t, content of bytes: %d vs %d", network, multicore, string(reqData), string(respData))
assert.Equalf(
t,
reqData,
respData,
"response mismatch with protocol:%s, multi-core:%t, length of bytes: %d vs %d",
network,
multicore,
len(reqData),
len(respData),
)
}
}
}
type clientEventsForWake struct {
BuiltinEventEngine
tester *testing.T
ch chan struct{}
}
func (ev *clientEventsForWake) OnBoot(_ Engine) Action {
ev.ch = make(chan struct{})
return None
}
func (ev *clientEventsForWake) OnTraffic(c Conn) (action Action) {
n, err := c.Read(nil)
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, n)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
buf := make([]byte, 10)
n, err = c.Read(buf)
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, n)
assert.ErrorIsf(ev.tester, err, io.ErrShortBuffer, "expected error: %v, but got: %v", io.ErrShortBuffer, err)
buf, err = c.Next(10)
assert.Nilf(ev.tester, buf, "expected: %v, but got: %v", nil, buf)
assert.ErrorIsf(ev.tester, err, io.ErrShortBuffer, "expected error: %v, but got: %v", io.ErrShortBuffer, err)
buf, err = c.Next(-1)
assert.Emptyf(ev.tester, buf, "expected an empty slice, but got: %v", buf)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
buf, err = c.Peek(10)
assert.Nilf(ev.tester, buf, "expected: %v, but got: %v", nil, buf)
assert.ErrorIsf(ev.tester, err, io.ErrShortBuffer, "expected error: %v, but got: %v", io.ErrShortBuffer, err)
buf, err = c.Peek(-1)
assert.Emptyf(ev.tester, buf, "expected an empty slice, but got: %v", buf)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
n, err = c.Discard(10)
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, n)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
n, err = c.Discard(-1)
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, n)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
m, err := c.WriteTo(io.Discard)
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, m)
assert.NoErrorf(ev.tester, err, "expected: %v, but got: %v", nil, err)
n = c.InboundBuffered()
assert.Zerof(ev.tester, n, "expected: %v, but got: %v", 0, m)
<-ev.ch
return None
}
type serverEventsForWake struct {
BuiltinEventEngine
network, addr string
client *Client
clientEV *clientEventsForWake
tester *testing.T
clients int32
started int32
}
func (ev *serverEventsForWake) OnOpen(_ Conn) ([]byte, Action) {
atomic.AddInt32(&ev.clients, 1)
return nil, None
}
func (ev *serverEventsForWake) OnClose(_ Conn, _ error) Action {
if atomic.AddInt32(&ev.clients, -1) == 0 {
return Shutdown
}
return None
}
func (ev *serverEventsForWake) OnTick() (time.Duration, Action) {
if atomic.CompareAndSwapInt32(&ev.started, 0, 1) {
err := goPool.DefaultWorkerPool.Submit(func() {
testConnWakeImmediately(ev.tester, ev.client, ev.clientEV, ev.network, ev.addr)
})
assert.NoError(ev.tester, err)
}
return 100 * time.Millisecond, None
}
func testConnWakeImmediately(t *testing.T, client *Client, clientEV *clientEventsForWake, network, addr string) {
c, err := client.Dial(network, addr)
assert.NoErrorf(t, err, "failed to dial: %v", err)
err = c.Wake(nil)
assert.NoError(t, err)
err = c.Close()
assert.NoError(t, err)
clientEV.ch <- struct{}{}
}
func TestWakeConnImmediately(t *testing.T) {
currentLogger, currentFlusher := logging.GetDefaultLogger(), logging.GetDefaultFlusher()
t.Cleanup(func() {
logging.SetDefaultLoggerAndFlusher(currentLogger, currentFlusher) // restore
})
clientEV := &clientEventsForWake{tester: t}
logPath := filepath.Join(t.TempDir(), "gnet-test-wake-conn-immediately.log")
client, err := NewClient(clientEV,
WithSocketRecvBuffer(4*1024),
WithSocketSendBuffer(4*1024),
WithLogPath(logPath),
WithLogLevel(logging.WarnLevel),
WithReadBufferCap(512),
WithWriteBufferCap(512))
assert.NoError(t, err)
logging.Cleanup()
err = client.Start()
assert.NoError(t, err)
defer client.Stop() //nolint:errcheck
serverEV := &serverEventsForWake{tester: t, network: "tcp", addr: ":18888", client: client, clientEV: clientEV}
err = Run(serverEV, serverEV.network+"://"+serverEV.addr, WithTicker(true))
assert.NoError(t, err)
}
func TestClientReadOnEOF(t *testing.T) {
currentLogger, currentFlusher := logging.GetDefaultLogger(), logging.GetDefaultFlusher()
t.Cleanup(func() {
logging.SetDefaultLoggerAndFlusher(currentLogger, currentFlusher) // restore
})
ln, err := net.Listen("tcp", "127.0.0.1:9999")
assert.NoError(t, err)
defer ln.Close() //nolint:errcheck
err = goPool.DefaultWorkerPool.Submit(func() {
for {
conn, err := ln.Accept()
if err != nil {
break
}
err = goPool.DefaultWorkerPool.Submit(func() {
process(conn)
})
assert.NoError(t, err)
}
})
assert.NoError(t, err)
ev := &clientReadOnEOF{
result: make(chan struct {
data []byte
err error
}, 1),
data: []byte("test"),
}
cli, err := NewClient(ev,
WithSocketRecvBuffer(4*1024),
WithSocketSendBuffer(4*1024),
WithTCPKeepAlive(time.Minute),
WithLogger(zap.NewExample().Sugar()),
WithReadBufferCap(32*1024),
WithWriteBufferCap(32*1024))
assert.NoError(t, err)
defer cli.Stop() //nolint:errcheck
err = cli.Start()
assert.NoError(t, err)
_, err = cli.Dial("tcp", "127.0.0.1:9999")
assert.NoError(t, err)
select {
case res := <-ev.result:
assert.NoError(t, res.err)
assert.EqualValuesf(t, ev.data, res.data, "expected: %v, but got: %v", ev.data, res.data)
case <-time.After(5 * time.Second):
t.Errorf("timeout waiting for the result")
}
}
func process(conn net.Conn) {
defer conn.Close() //nolint:errcheck
buf := make([]byte, 8)
n, err := conn.Read(buf)
if err != nil {
return
}
_, _ = conn.Write(buf[:n])
_ = conn.Close()
}
type clientReadOnEOF struct {
BuiltinEventEngine
data []byte
result chan struct {
data []byte
err error
}
}
func (clientReadOnEOF) OnBoot(Engine) (action Action) {
return None
}
func (cli clientReadOnEOF) OnOpen(Conn) (out []byte, action Action) {
return cli.data, None
}
func (clientReadOnEOF) OnClose(Conn, error) (action Action) {
return Close
}
func (cli clientReadOnEOF) OnTraffic(c Conn) (action Action) {
data, err := c.Next(-1)
cli.result <- struct {
data []byte
err error
}{data: data, err: err}
return None
}