/
maxrx_test.go
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/
maxrx_test.go
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// Copyright 2018 The Mangos Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package test
import (
"bytes"
"testing"
"time"
"nanomsg.org/go-mangos"
"nanomsg.org/go-mangos/protocol/rep"
"nanomsg.org/go-mangos/protocol/req"
"nanomsg.org/go-mangos/transport/tcp"
"nanomsg.org/go-mangos/transport/ws"
)
func TestMaxRxSizeInvalidNegative(t *testing.T) {
srep, err := rep.NewSocket()
if err != nil {
t.Errorf("Failed to make REP: %v", err)
return
}
defer srep.Close()
err = srep.SetOption(mangos.OptionMaxRecvSize, -1)
switch err {
case mangos.ErrBadValue: // expected result
case nil:
t.Errorf("Negative test fail, permitted negative max recv size")
default:
t.Errorf("Negative test fail (-1), wrong error %v", err)
}
}
func TestMaxRxSizeInvalidNotInt(t *testing.T) {
srep, err := rep.NewSocket()
if err != nil {
t.Errorf("Failed to make REP: %v", err)
return
}
defer srep.Close()
err = srep.SetOption(mangos.OptionMaxRecvSize, "garbage")
switch err {
case mangos.ErrBadValue: // expected result
case nil:
t.Errorf("Negative test fail, permitted non-int value")
default:
t.Errorf("Negative test fail (garbage), wrong error %v", err)
}
}
func TestMaxRxSizeSet(t *testing.T) {
srep, err := rep.NewSocket()
if err != nil {
t.Errorf("Failed to make REP: %v", err)
return
}
defer srep.Close()
err = srep.SetOption(mangos.OptionMaxRecvSize, 100)
if err != nil {
t.Errorf("Failed SetOption: %v", err)
return
}
v, err := srep.GetOption(mangos.OptionMaxRecvSize)
if err != nil {
t.Errorf("Failed GetOption: %v", err)
return
}
if val, ok := v.(int); !ok {
t.Errorf("Returned value not type int")
} else if val != 100 {
t.Errorf("Returned value %d not %d", val, 100)
}
}
func TestMaxRxSizeDefault(t *testing.T) {
srep, err := rep.NewSocket()
if err != nil {
t.Errorf("Failed to make REP: %v", err)
return
}
defer srep.Close()
v, err := srep.GetOption(mangos.OptionMaxRecvSize)
if err != nil {
t.Errorf("Failed GetOption: %v", err)
return
}
if val, ok := v.(int); !ok {
t.Errorf("Returned value not type int")
} else if val != 1024*1024 {
t.Errorf("Returned value %d not %d", val, 1024*1024)
}
}
func testMaxRx(t *testing.T, addr string, tran mangos.Transport) {
maxrx := 100
rp, err := rep.NewSocket()
if err != nil {
t.Errorf("Failed to make REP: %v", err)
return
}
defer rp.Close()
rp.AddTransport(tran)
// Now try setting the option
err = rp.SetOption(mangos.OptionMaxRecvSize, maxrx)
if err != nil {
t.Errorf("Failed set MaxRecvSize: %v", err)
return
}
// At this point, we can issue requests on rq, and read them from rp.
if err = rp.SetOption(mangos.OptionRecvDeadline, time.Millisecond*20); err != nil {
t.Errorf("Failed set recv deadline")
return
}
if err = rp.Listen(addr); err != nil {
t.Errorf("Failed listen: %v", err)
return
}
rq, err := req.NewSocket()
if err != nil {
t.Errorf("Failed to make REQ: %v", err)
return
}
defer rq.Close()
rq.AddTransport(tran)
if err = rq.Dial(addr); err != nil {
t.Errorf("Failed dial: %v", err)
return
}
time.Sleep(time.Millisecond * 10)
msg1 := make([]byte, maxrx+1)
msg2 := make([]byte, maxrx+1)
for i := 0; i < len(msg1); i++ {
msg1[i] = 'A' + byte(i%26)
msg2[i] = 'A' + byte(i%26)
}
// NB: maxrx *includes* the header.
if err = rq.Send(msg1[:maxrx-8]); err != nil {
t.Errorf("Failed first send: %v", err)
return
}
v, err := rp.Recv()
if err != nil {
t.Errorf("Failed first recv: %v", err)
return
} else if !bytes.Equal(v, msg2[:maxrx-8]) {
t.Errorf("Got wrong message: %v", v)
return
} else {
t.Logf("Got good message")
}
if err = rq.Send(msg1); err != nil {
t.Errorf("Failed send drop: %v", err)
return
}
v, err = rp.Recv()
switch err {
case mangos.ErrRecvTimeout: // expected
t.Logf("MaxRx honored")
case nil:
t.Errorf("Message not dropped: %v", v)
default:
t.Errorf("Got unexpected error: %v", err)
}
}
func TestMaxRxTCP(t *testing.T) {
testMaxRx(t, AddrTestTCP(), tcp.NewTransport())
}
func TestMaxRxWS(t *testing.T) {
testMaxRx(t, AddrTestWS(), ws.NewTransport())
}