diff options
Diffstat (limited to 'p2p/discover/udp_test.go')
-rw-r--r-- | p2p/discover/udp_test.go | 85 |
1 files changed, 79 insertions, 6 deletions
diff --git a/p2p/discover/udp_test.go b/p2p/discover/udp_test.go index 032cbd499..a86d3737b 100644 --- a/p2p/discover/udp_test.go +++ b/p2p/discover/udp_test.go @@ -1,28 +1,30 @@ // Copyright 2015 The go-ethereum Authors -// This file is part of go-ethereum. +// This file is part of the go-ethereum library. // -// go-ethereum is free software: you can redistribute it and/or modify +// 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. // -// go-ethereum is distributed in the hope that it will be useful, +// 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 +// 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>. +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. package discover import ( "bytes" "crypto/ecdsa" + "encoding/binary" "errors" "fmt" "io" logpkg "log" + "math/rand" "net" "os" "path/filepath" @@ -138,6 +140,77 @@ func TestUDP_pingTimeout(t *testing.T) { } } +func TestUDP_responseTimeouts(t *testing.T) { + t.Parallel() + test := newUDPTest(t) + defer test.table.Close() + + rand.Seed(time.Now().UnixNano()) + randomDuration := func(max time.Duration) time.Duration { + return time.Duration(rand.Int63n(int64(max))) + } + + var ( + nReqs = 200 + nTimeouts = 0 // number of requests with ptype > 128 + nilErr = make(chan error, nReqs) // for requests that get a reply + timeoutErr = make(chan error, nReqs) // for requests that time out + ) + for i := 0; i < nReqs; i++ { + // Create a matcher for a random request in udp.loop. Requests + // with ptype <= 128 will not get a reply and should time out. + // For all other requests, a reply is scheduled to arrive + // within the timeout window. + p := &pending{ + ptype: byte(rand.Intn(255)), + callback: func(interface{}) bool { return true }, + } + binary.BigEndian.PutUint64(p.from[:], uint64(i)) + if p.ptype <= 128 { + p.errc = timeoutErr + nTimeouts++ + } else { + p.errc = nilErr + time.AfterFunc(randomDuration(60*time.Millisecond), func() { + if !test.udp.handleReply(p.from, p.ptype, nil) { + t.Logf("not matched: %v", p) + } + }) + } + test.udp.addpending <- p + time.Sleep(randomDuration(30 * time.Millisecond)) + } + + // Check that all timeouts were delivered and that the rest got nil errors. + // The replies must be delivered. + var ( + recvDeadline = time.After(20 * time.Second) + nTimeoutsRecv, nNil = 0, 0 + ) + for i := 0; i < nReqs; i++ { + select { + case err := <-timeoutErr: + if err != errTimeout { + t.Fatalf("got non-timeout error on timeoutErr %d: %v", i, err) + } + nTimeoutsRecv++ + case err := <-nilErr: + if err != nil { + t.Fatalf("got non-nil error on nilErr %d: %v", i, err) + } + nNil++ + case <-recvDeadline: + t.Fatalf("exceeded recv deadline") + } + } + if nTimeoutsRecv != nTimeouts { + t.Errorf("wrong number of timeout errors received: got %d, want %d", nTimeoutsRecv, nTimeouts) + } + if nNil != nReqs-nTimeouts { + t.Errorf("wrong number of successful replies: got %d, want %d", nNil, nReqs-nTimeouts) + } +} + func TestUDP_findnodeTimeout(t *testing.T) { t.Parallel() test := newUDPTest(t) @@ -167,7 +240,7 @@ func TestUDP_findnode(t *testing.T) { for i := 0; i < bucketSize; i++ { nodes.push(nodeAtDistance(test.table.self.sha, i+2), bucketSize) } - test.table.add(nodes.entries) + test.table.stuff(nodes.entries) // ensure there's a bond with the test node, // findnode won't be accepted otherwise. |