forked from mirror/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
590 lines
18 KiB
590 lines
18 KiB
// Copyright 2015 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 p2p
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"net"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/davecgh/go-spew/spew"
|
|
"github.com/ethereum/go-ethereum/internal/testlog"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/p2p/enr"
|
|
"github.com/ethereum/go-ethereum/p2p/netutil"
|
|
)
|
|
|
|
func init() {
|
|
spew.Config.Indent = "\t"
|
|
}
|
|
|
|
type dialtest struct {
|
|
init *dialstate // state before and after the test.
|
|
rounds []round
|
|
}
|
|
|
|
type round struct {
|
|
peers []*Peer // current peer set
|
|
done []task // tasks that got done this round
|
|
new []task // the result must match this one
|
|
}
|
|
|
|
func runDialTest(t *testing.T, test dialtest) {
|
|
var (
|
|
vtime time.Time
|
|
running int
|
|
)
|
|
pm := func(ps []*Peer) map[enode.ID]*Peer {
|
|
m := make(map[enode.ID]*Peer)
|
|
for _, p := range ps {
|
|
m[p.ID()] = p
|
|
}
|
|
return m
|
|
}
|
|
for i, round := range test.rounds {
|
|
for _, task := range round.done {
|
|
running--
|
|
if running < 0 {
|
|
panic("running task counter underflow")
|
|
}
|
|
test.init.taskDone(task, vtime)
|
|
}
|
|
|
|
new := test.init.newTasks(running, pm(round.peers), vtime)
|
|
if !sametasks(new, round.new) {
|
|
t.Errorf("ERROR round %d: got %v\nwant %v\nstate: %v\nrunning: %v",
|
|
i, spew.Sdump(new), spew.Sdump(round.new), spew.Sdump(test.init), spew.Sdump(running))
|
|
}
|
|
t.Logf("round %d (running %d) new tasks: %s", i, running, strings.TrimSpace(spew.Sdump(new)))
|
|
|
|
// Time advances by 16 seconds on every round.
|
|
vtime = vtime.Add(16 * time.Second)
|
|
running += len(new)
|
|
}
|
|
}
|
|
|
|
// This test checks that dynamic dials are launched from discovery results.
|
|
func TestDialStateDynDial(t *testing.T) {
|
|
config := &Config{Logger: testlog.Logger(t, log.LvlTrace)}
|
|
runDialTest(t, dialtest{
|
|
init: newDialState(enode.ID{}, 5, config),
|
|
rounds: []round{
|
|
// A discovery query is launched.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
new: []task{
|
|
&discoverTask{want: 3},
|
|
},
|
|
},
|
|
// Dynamic dials are launched when it completes.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
done: []task{
|
|
&discoverTask{results: []*enode.Node{
|
|
newNode(uintID(2), nil), // this one is already connected and not dialed.
|
|
newNode(uintID(3), nil),
|
|
newNode(uintID(4), nil),
|
|
newNode(uintID(5), nil),
|
|
newNode(uintID(6), nil), // these are not tried because max dyn dials is 5
|
|
newNode(uintID(7), nil), // ...
|
|
}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(3), nil)},
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(4), nil)},
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(5), nil)},
|
|
},
|
|
},
|
|
// Some of the dials complete but no new ones are launched yet because
|
|
// the sum of active dial count and dynamic peer count is == maxDynDials.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(4), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(3), nil)},
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(4), nil)},
|
|
},
|
|
},
|
|
// No new dial tasks are launched in the this round because
|
|
// maxDynDials has been reached.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(4), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(5), nil)},
|
|
},
|
|
new: []task{
|
|
&waitExpireTask{Duration: 19 * time.Second},
|
|
},
|
|
},
|
|
// In this round, the peer with id 2 drops off. The query
|
|
// results from last discovery lookup are reused.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(4), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(6), nil)},
|
|
},
|
|
},
|
|
// More peers (3,4) drop off and dial for ID 6 completes.
|
|
// The last query result from the discovery lookup is reused
|
|
// and a new one is spawned because more candidates are needed.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(6), nil)},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(7), nil)},
|
|
&discoverTask{want: 2},
|
|
},
|
|
},
|
|
// Peer 7 is connected, but there still aren't enough dynamic peers
|
|
// (4 out of 5). However, a discovery is already running, so ensure
|
|
// no new is started.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(5), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(7), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(7), nil)},
|
|
},
|
|
},
|
|
// Finish the running node discovery with an empty set. A new lookup
|
|
// should be immediately requested.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(0), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(5), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(7), nil)}},
|
|
},
|
|
done: []task{
|
|
&discoverTask{},
|
|
},
|
|
new: []task{
|
|
&discoverTask{want: 2},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
// Tests that bootnodes are dialed if no peers are connectd, but not otherwise.
|
|
func TestDialStateDynDialBootnode(t *testing.T) {
|
|
config := &Config{
|
|
BootstrapNodes: []*enode.Node{
|
|
newNode(uintID(1), nil),
|
|
newNode(uintID(2), nil),
|
|
newNode(uintID(3), nil),
|
|
},
|
|
Logger: testlog.Logger(t, log.LvlTrace),
|
|
}
|
|
runDialTest(t, dialtest{
|
|
init: newDialState(enode.ID{}, 5, config),
|
|
rounds: []round{
|
|
{
|
|
new: []task{
|
|
&discoverTask{want: 5},
|
|
},
|
|
},
|
|
{
|
|
done: []task{
|
|
&discoverTask{
|
|
results: []*enode.Node{
|
|
newNode(uintID(4), nil),
|
|
newNode(uintID(5), nil),
|
|
},
|
|
},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(4), nil)},
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(5), nil)},
|
|
&discoverTask{want: 3},
|
|
},
|
|
},
|
|
// No dials succeed, bootnodes still pending fallback interval
|
|
{},
|
|
// 1 bootnode attempted as fallback interval was reached
|
|
{
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(4), nil)},
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(5), nil)},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(1), nil)},
|
|
},
|
|
},
|
|
// No dials succeed, 2nd bootnode is attempted
|
|
{
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(1), nil)},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(2), nil)},
|
|
},
|
|
},
|
|
// No dials succeed, 3rd bootnode is attempted
|
|
{
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(2), nil)},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(3), nil)},
|
|
},
|
|
},
|
|
// No dials succeed, 1st bootnode is attempted again, expired random nodes retried
|
|
{
|
|
done: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(3), nil)},
|
|
&discoverTask{results: []*enode.Node{
|
|
newNode(uintID(6), nil),
|
|
}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: newNode(uintID(6), nil)},
|
|
&discoverTask{want: 4},
|
|
},
|
|
},
|
|
// Random dial succeeds, no more bootnodes are attempted
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(6), nil)}},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func newNode(id enode.ID, ip net.IP) *enode.Node {
|
|
var r enr.Record
|
|
if ip != nil {
|
|
r.Set(enr.IP(ip))
|
|
}
|
|
return enode.SignNull(&r, id)
|
|
}
|
|
|
|
// // This test checks that candidates that do not match the netrestrict list are not dialed.
|
|
func TestDialStateNetRestrict(t *testing.T) {
|
|
// This table always returns the same random nodes
|
|
// in the order given below.
|
|
nodes := []*enode.Node{
|
|
newNode(uintID(1), net.ParseIP("127.0.0.1")),
|
|
newNode(uintID(2), net.ParseIP("127.0.0.2")),
|
|
newNode(uintID(3), net.ParseIP("127.0.0.3")),
|
|
newNode(uintID(4), net.ParseIP("127.0.0.4")),
|
|
newNode(uintID(5), net.ParseIP("127.0.2.5")),
|
|
newNode(uintID(6), net.ParseIP("127.0.2.6")),
|
|
newNode(uintID(7), net.ParseIP("127.0.2.7")),
|
|
newNode(uintID(8), net.ParseIP("127.0.2.8")),
|
|
}
|
|
restrict := new(netutil.Netlist)
|
|
restrict.Add("127.0.2.0/24")
|
|
|
|
runDialTest(t, dialtest{
|
|
init: newDialState(enode.ID{}, 10, &Config{NetRestrict: restrict}),
|
|
rounds: []round{
|
|
{
|
|
new: []task{
|
|
&discoverTask{want: 10},
|
|
},
|
|
},
|
|
{
|
|
done: []task{
|
|
&discoverTask{results: nodes},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: dynDialedConn, dest: nodes[4]},
|
|
&dialTask{flags: dynDialedConn, dest: nodes[5]},
|
|
&dialTask{flags: dynDialedConn, dest: nodes[6]},
|
|
&dialTask{flags: dynDialedConn, dest: nodes[7]},
|
|
&discoverTask{want: 6},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
// This test checks that static dials are launched.
|
|
func TestDialStateStaticDial(t *testing.T) {
|
|
config := &Config{
|
|
StaticNodes: []*enode.Node{
|
|
newNode(uintID(1), nil),
|
|
newNode(uintID(2), nil),
|
|
newNode(uintID(3), nil),
|
|
newNode(uintID(4), nil),
|
|
newNode(uintID(5), nil),
|
|
},
|
|
Logger: testlog.Logger(t, log.LvlTrace),
|
|
}
|
|
runDialTest(t, dialtest{
|
|
init: newDialState(enode.ID{}, 0, config),
|
|
rounds: []round{
|
|
// Static dials are launched for the nodes that
|
|
// aren't yet connected.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(3), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(4), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(5), nil)},
|
|
},
|
|
},
|
|
// No new tasks are launched in this round because all static
|
|
// nodes are either connected or still being dialed.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(3), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(3), nil)},
|
|
},
|
|
},
|
|
// No new dial tasks are launched because all static
|
|
// nodes are now connected.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(4), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(4), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(5), nil)},
|
|
},
|
|
new: []task{
|
|
&waitExpireTask{Duration: 19 * time.Second},
|
|
},
|
|
},
|
|
// Wait a round for dial history to expire, no new tasks should spawn.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(2), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(4), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
},
|
|
// If a static node is dropped, it should be immediately redialed,
|
|
// irrespective whether it was originally static or dynamic.
|
|
{
|
|
done: []task{
|
|
&waitExpireTask{Duration: 19 * time.Second},
|
|
},
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: dynDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(3), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(5), nil)}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(2), nil)},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
// This test checks that past dials are not retried for some time.
|
|
func TestDialStateCache(t *testing.T) {
|
|
config := &Config{
|
|
StaticNodes: []*enode.Node{
|
|
newNode(uintID(1), nil),
|
|
newNode(uintID(2), nil),
|
|
newNode(uintID(3), nil),
|
|
},
|
|
Logger: testlog.Logger(t, log.LvlTrace),
|
|
}
|
|
runDialTest(t, dialtest{
|
|
init: newDialState(enode.ID{}, 0, config),
|
|
rounds: []round{
|
|
// Static dials are launched for the nodes that
|
|
// aren't yet connected.
|
|
{
|
|
peers: nil,
|
|
new: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(1), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(2), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(3), nil)},
|
|
},
|
|
},
|
|
// No new tasks are launched in this round because all static
|
|
// nodes are either connected or still being dialed.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(1), nil)},
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(2), nil)},
|
|
},
|
|
},
|
|
// A salvage task is launched to wait for node 3's history
|
|
// entry to expire.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
done: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(3), nil)},
|
|
},
|
|
new: []task{
|
|
&waitExpireTask{Duration: 19 * time.Second},
|
|
},
|
|
},
|
|
// Still waiting for node 3's entry to expire in the cache.
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
},
|
|
{
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
},
|
|
// The cache entry for node 3 has expired and is retried.
|
|
{
|
|
done: []task{
|
|
&waitExpireTask{Duration: 19 * time.Second},
|
|
},
|
|
peers: []*Peer{
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(1), nil)}},
|
|
{rw: &conn{flags: staticDialedConn, node: newNode(uintID(2), nil)}},
|
|
},
|
|
new: []task{
|
|
&dialTask{flags: staticDialedConn, dest: newNode(uintID(3), nil)},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
func TestDialResolve(t *testing.T) {
|
|
config := &Config{
|
|
Logger: testlog.Logger(t, log.LvlTrace),
|
|
Dialer: TCPDialer{&net.Dialer{Deadline: time.Now().Add(-5 * time.Minute)}},
|
|
}
|
|
resolved := newNode(uintID(1), net.IP{127, 0, 55, 234})
|
|
resolver := &resolveMock{answer: resolved}
|
|
state := newDialState(enode.ID{}, 0, config)
|
|
|
|
// Check that the task is generated with an incomplete ID.
|
|
dest := newNode(uintID(1), nil)
|
|
state.addStatic(dest)
|
|
tasks := state.newTasks(0, nil, time.Time{})
|
|
if !reflect.DeepEqual(tasks, []task{&dialTask{flags: staticDialedConn, dest: dest}}) {
|
|
t.Fatalf("expected dial task, got %#v", tasks)
|
|
}
|
|
|
|
// Now run the task, it should resolve the ID once.
|
|
srv := &Server{
|
|
Config: *config,
|
|
log: config.Logger,
|
|
staticNodeResolver: resolver,
|
|
}
|
|
tasks[0].Do(srv)
|
|
if !reflect.DeepEqual(resolver.calls, []*enode.Node{dest}) {
|
|
t.Fatalf("wrong resolve calls, got %v", resolver.calls)
|
|
}
|
|
|
|
// Report it as done to the dialer, which should update the static node record.
|
|
state.taskDone(tasks[0], time.Now())
|
|
if state.static[uintID(1)].dest != resolved {
|
|
t.Fatalf("state.dest not updated")
|
|
}
|
|
}
|
|
|
|
// compares task lists but doesn't care about the order.
|
|
func sametasks(a, b []task) bool {
|
|
if len(a) != len(b) {
|
|
return false
|
|
}
|
|
next:
|
|
for _, ta := range a {
|
|
for _, tb := range b {
|
|
if reflect.DeepEqual(ta, tb) {
|
|
continue next
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func uintID(i uint32) enode.ID {
|
|
var id enode.ID
|
|
binary.BigEndian.PutUint32(id[:], i)
|
|
return id
|
|
}
|
|
|
|
// for TestDialResolve
|
|
type resolveMock struct {
|
|
calls []*enode.Node
|
|
answer *enode.Node
|
|
}
|
|
|
|
func (t *resolveMock) Resolve(n *enode.Node) *enode.Node {
|
|
t.calls = append(t.calls, n)
|
|
return t.answer
|
|
}
|
|
|