swarm: network rewrite merge

swarm/pss/protocol_test.go

@@ -0,0 +1,158 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package pss
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strconv"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/p2p/discover"
+	"github.com/ethereum/go-ethereum/swarm/log"
+)
+
+type protoCtrl struct {
+	C        chan bool
+	protocol *Protocol
+	run      func(*p2p.Peer, p2p.MsgReadWriter) error
+}
+
+// simple ping pong protocol test for the pss devp2p emulation
+func TestProtocol(t *testing.T) {
+	t.Run("32", testProtocol)
+	t.Run("8", testProtocol)
+	t.Run("0", testProtocol)
+}
+
+func testProtocol(t *testing.T) {
+
+	// address hint size
+	var addrsize int64
+	paramstring := strings.Split(t.Name(), "/")
+	addrsize, _ = strconv.ParseInt(paramstring[1], 10, 0)
+	log.Info("protocol test", "addrsize", addrsize)
+
+	topic := PingTopic.String()
+
+	clients, err := setupNetwork(2, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var loaddrhex string
+	err = clients[0].Call(&loaddrhex, "pss_baseAddr")
+	if err != nil {
+		t.Fatalf("rpc get node 1 baseaddr fail: %v", err)
+	}
+	loaddrhex = loaddrhex[:2+(addrsize*2)]
+	var roaddrhex string
+	err = clients[1].Call(&roaddrhex, "pss_baseAddr")
+	if err != nil {
+		t.Fatalf("rpc get node 2 baseaddr fail: %v", err)
+	}
+	roaddrhex = roaddrhex[:2+(addrsize*2)]
+	lnodeinfo := &p2p.NodeInfo{}
+	err = clients[0].Call(&lnodeinfo, "admin_nodeInfo")
+	if err != nil {
+		t.Fatalf("rpc nodeinfo node 11 fail: %v", err)
+	}
+
+	var lpubkey string
+	err = clients[0].Call(&lpubkey, "pss_getPublicKey")
+	if err != nil {
+		t.Fatalf("rpc get node 1 pubkey fail: %v", err)
+	}
+	var rpubkey string
+	err = clients[1].Call(&rpubkey, "pss_getPublicKey")
+	if err != nil {
+		t.Fatalf("rpc get node 2 pubkey fail: %v", err)
+	}
+
+	time.Sleep(time.Millisecond * 1000) // replace with hive healthy code
+
+	lmsgC := make(chan APIMsg)
+	lctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+	defer cancel()
+	lsub, err := clients[0].Subscribe(lctx, "pss", lmsgC, "receive", topic)
+	defer lsub.Unsubscribe()
+	rmsgC := make(chan APIMsg)
+	rctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+	defer cancel()
+	rsub, err := clients[1].Subscribe(rctx, "pss", rmsgC, "receive", topic)
+	defer rsub.Unsubscribe()
+
+	// set reciprocal public keys
+	err = clients[0].Call(nil, "pss_setPeerPublicKey", rpubkey, topic, roaddrhex)
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = clients[1].Call(nil, "pss_setPeerPublicKey", lpubkey, topic, loaddrhex)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// add right peer's public key as protocol peer on left
+	nid, _ := discover.HexID("0x00") // this hack is needed to satisfy the p2p method
+	p := p2p.NewPeer(nid, fmt.Sprintf("%x", common.FromHex(loaddrhex)), []p2p.Cap{})
+	_, err = pssprotocols[lnodeinfo.ID].protocol.AddPeer(p, PingTopic, true, rpubkey)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// sends ping asym, checks delivery
+	pssprotocols[lnodeinfo.ID].C <- false
+	select {
+	case <-lmsgC:
+		log.Debug("lnode ok")
+	case cerr := <-lctx.Done():
+		t.Fatalf("test message timed out: %v", cerr)
+	}
+	select {
+	case <-rmsgC:
+		log.Debug("rnode ok")
+	case cerr := <-lctx.Done():
+		t.Fatalf("test message timed out: %v", cerr)
+	}
+
+	// sends ping asym, checks delivery
+	pssprotocols[lnodeinfo.ID].C <- false
+	select {
+	case <-lmsgC:
+		log.Debug("lnode ok")
+	case cerr := <-lctx.Done():
+		t.Fatalf("test message timed out: %v", cerr)
+	}
+	select {
+	case <-rmsgC:
+		log.Debug("rnode ok")
+	case cerr := <-lctx.Done():
+		t.Fatalf("test message timed out: %v", cerr)
+	}
+	rw := pssprotocols[lnodeinfo.ID].protocol.pubKeyRWPool[rpubkey]
+	pssprotocols[lnodeinfo.ID].protocol.RemovePeer(true, rpubkey)
+	if err := rw.WriteMsg(p2p.Msg{
+		Size:    3,
+		Payload: bytes.NewReader([]byte("foo")),
+	}); err == nil {
+		t.Fatalf("expected error on write")
+	}
+}