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authorJeffrey Wilcke <jeffrey@ethereum.org>2015-05-14 23:15:51 +0800
committerJeffrey Wilcke <jeffrey@ethereum.org>2015-05-14 23:15:51 +0800
commit90b94e64fcdc6a2099ec5c48e41acf7f95a6b804 (patch)
treef8b7c0336f69aa3c66560a57dc9e172eb81418e8 /p2p
parentff87c241a715833fa09cbed5e4acf0f1dfa9b745 (diff)
parentd2f119cf9b30a7568b5ebe7c290c3be30dc0f2de (diff)
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Merge pull request #971 from fjl/p2p-limit-tweaks
p2p: tweak connection limits
Diffstat (limited to 'p2p')
-rw-r--r--p2p/discover/database.go5
-rw-r--r--p2p/discover/table.go2
-rw-r--r--p2p/peer.go5
-rw-r--r--p2p/peer_test.go24
-rw-r--r--p2p/server.go4
-rw-r--r--p2p/server_test.go15
-rw-r--r--p2p/testlog_test.go25
7 files changed, 16 insertions, 64 deletions
diff --git a/p2p/discover/database.go b/p2p/discover/database.go
index dc0b97ddf..2b9da0423 100644
--- a/p2p/discover/database.go
+++ b/p2p/discover/database.go
@@ -17,6 +17,7 @@ import (
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/iterator"
+ "github.com/syndtr/goleveldb/leveldb/opt"
"github.com/syndtr/goleveldb/leveldb/storage"
"github.com/syndtr/goleveldb/leveldb/util"
)
@@ -72,8 +73,8 @@ func newMemoryNodeDB() (*nodeDB, error) {
// newPersistentNodeDB creates/opens a leveldb backed persistent node database,
// also flushing its contents in case of a version mismatch.
func newPersistentNodeDB(path string, version int) (*nodeDB, error) {
- // Try to open the cache, recovering any corruption
- db, err := leveldb.OpenFile(path, nil)
+ opts := &opt.Options{OpenFilesCacheCapacity: 5}
+ db, err := leveldb.OpenFile(path, opts)
if _, iscorrupted := err.(*errors.ErrCorrupted); iscorrupted {
db, err = leveldb.RecoverFile(path, nil)
}
diff --git a/p2p/discover/table.go b/p2p/discover/table.go
index 2c9cb80d5..5e6dd8d0d 100644
--- a/p2p/discover/table.go
+++ b/p2p/discover/table.go
@@ -25,7 +25,7 @@ const (
hashBits = len(common.Hash{}) * 8
nBuckets = hashBits + 1 // Number of buckets
- maxBondingPingPongs = 10
+ maxBondingPingPongs = 16
)
type Table struct {
diff --git a/p2p/peer.go b/p2p/peer.go
index ac691f2ce..c7ec08887 100644
--- a/p2p/peer.go
+++ b/p2p/peer.go
@@ -131,10 +131,11 @@ func (p *Peer) run() DiscReason {
case err := <-p.protoErr:
reason = discReasonForError(err)
case reason = <-p.disc:
+ p.politeDisconnect(reason)
+ reason = DiscRequested
}
close(p.closed)
- p.politeDisconnect(reason)
p.wg.Wait()
glog.V(logger.Debug).Infof("%v: Disconnected: %v\n", p, reason)
return reason
@@ -191,7 +192,7 @@ func (p *Peer) handle(msg Msg) error {
// check errors because, the connection will be closed after it.
rlp.Decode(msg.Payload, &reason)
glog.V(logger.Debug).Infof("%v: Disconnect Requested: %v\n", p, reason[0])
- return DiscRequested
+ return reason[0]
case msg.Code < baseProtocolLength:
// ignore other base protocol messages
return msg.Discard()
diff --git a/p2p/peer_test.go b/p2p/peer_test.go
index fb76818a0..59dcb7ba4 100644
--- a/p2p/peer_test.go
+++ b/p2p/peer_test.go
@@ -50,8 +50,6 @@ func testPeer(protos []Protocol) (func(), *conn, *Peer, <-chan DiscReason) {
}
func TestPeerProtoReadMsg(t *testing.T) {
- defer testlog(t).detach()
-
done := make(chan struct{})
proto := Protocol{
Name: "a",
@@ -88,8 +86,6 @@ func TestPeerProtoReadMsg(t *testing.T) {
}
func TestPeerProtoEncodeMsg(t *testing.T) {
- defer testlog(t).detach()
-
proto := Protocol{
Name: "a",
Length: 2,
@@ -112,8 +108,6 @@ func TestPeerProtoEncodeMsg(t *testing.T) {
}
func TestPeerWriteForBroadcast(t *testing.T) {
- defer testlog(t).detach()
-
closer, rw, peer, peerErr := testPeer([]Protocol{discard})
defer closer()
@@ -152,8 +146,6 @@ func TestPeerWriteForBroadcast(t *testing.T) {
}
func TestPeerPing(t *testing.T) {
- defer testlog(t).detach()
-
closer, rw, _, _ := testPeer(nil)
defer closer()
if err := SendItems(rw, pingMsg); err != nil {
@@ -165,26 +157,24 @@ func TestPeerPing(t *testing.T) {
}
func TestPeerDisconnect(t *testing.T) {
- defer testlog(t).detach()
-
closer, rw, _, disc := testPeer(nil)
defer closer()
if err := SendItems(rw, discMsg, DiscQuitting); err != nil {
t.Fatal(err)
}
- if err := ExpectMsg(rw, discMsg, []interface{}{DiscRequested}); err != nil {
- t.Error(err)
- }
- closer()
- if reason := <-disc; reason != DiscRequested {
- t.Errorf("run returned wrong reason: got %v, want %v", reason, DiscRequested)
+ select {
+ case reason := <-disc:
+ if reason != DiscQuitting {
+ t.Errorf("run returned wrong reason: got %v, want %v", reason, DiscRequested)
+ }
+ case <-time.After(500 * time.Millisecond):
+ t.Error("peer did not return")
}
}
// This test is supposed to verify that Peer can reliably handle
// multiple causes of disconnection occurring at the same time.
func TestPeerDisconnectRace(t *testing.T) {
- defer testlog(t).detach()
maybe := func() bool { return rand.Intn(1) == 1 }
for i := 0; i < 1000; i++ {
diff --git a/p2p/server.go b/p2p/server.go
index 3c6fb5893..8f768bdff 100644
--- a/p2p/server.go
+++ b/p2p/server.go
@@ -18,12 +18,12 @@ import (
)
const (
- defaultDialTimeout = 10 * time.Second
+ defaultDialTimeout = 15 * time.Second
refreshPeersInterval = 30 * time.Second
staticPeerCheckInterval = 15 * time.Second
// Maximum number of concurrently handshaking inbound connections.
- maxAcceptConns = 10
+ maxAcceptConns = 50
// Maximum number of concurrently dialing outbound connections.
maxDialingConns = 10
diff --git a/p2p/server_test.go b/p2p/server_test.go
index bf9df31ab..55fc81572 100644
--- a/p2p/server_test.go
+++ b/p2p/server_test.go
@@ -46,8 +46,6 @@ func startTestServer(t *testing.T, pf newPeerHook) *Server {
}
func TestServerListen(t *testing.T) {
- defer testlog(t).detach()
-
// start the test server
connected := make(chan *Peer)
srv := startTestServer(t, func(p *Peer) {
@@ -78,8 +76,6 @@ func TestServerListen(t *testing.T) {
}
func TestServerDial(t *testing.T) {
- defer testlog(t).detach()
-
// run a one-shot TCP server to handle the connection.
listener, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
@@ -126,8 +122,6 @@ func TestServerDial(t *testing.T) {
}
func TestServerBroadcast(t *testing.T) {
- defer testlog(t).detach()
-
var connected sync.WaitGroup
srv := startTestServer(t, func(p *Peer) {
p.running = matchProtocols([]Protocol{discard}, []Cap{discard.cap()}, p.rw)
@@ -172,8 +166,6 @@ func TestServerBroadcast(t *testing.T) {
//
// It also serves as a light-weight integration test.
func TestServerDisconnectAtCap(t *testing.T) {
- defer testlog(t).detach()
-
started := make(chan *Peer)
srv := &Server{
ListenAddr: "127.0.0.1:0",
@@ -224,8 +216,6 @@ func TestServerDisconnectAtCap(t *testing.T) {
// Tests that static peers are (re)connected, and done so even above max peers.
func TestServerStaticPeers(t *testing.T) {
- defer testlog(t).detach()
-
// Create a test server with limited connection slots
started := make(chan *Peer)
server := &Server{
@@ -312,7 +302,6 @@ func TestServerStaticPeers(t *testing.T) {
// Tests that trusted peers and can connect above max peer caps.
func TestServerTrustedPeers(t *testing.T) {
- defer testlog(t).detach()
// Create a trusted peer to accept connections from
key := newkey()
@@ -374,8 +363,6 @@ func TestServerTrustedPeers(t *testing.T) {
// Tests that a failed dial will temporarily throttle a peer.
func TestServerMaxPendingDials(t *testing.T) {
- defer testlog(t).detach()
-
// Start a simple test server
server := &Server{
ListenAddr: "127.0.0.1:0",
@@ -443,8 +430,6 @@ func TestServerMaxPendingDials(t *testing.T) {
}
func TestServerMaxPendingAccepts(t *testing.T) {
- defer testlog(t).detach()
-
// Start a test server and a peer sink for synchronization
started := make(chan *Peer)
server := &Server{
diff --git a/p2p/testlog_test.go b/p2p/testlog_test.go
deleted file mode 100644
index ac973bcf5..000000000
--- a/p2p/testlog_test.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package p2p
-
-import (
- "testing"
-
- "github.com/ethereum/go-ethereum/logger"
-)
-
-type testLogger struct{ t *testing.T }
-
-func testlog(t *testing.T) testLogger {
- logger.Reset()
- l := testLogger{t}
- logger.AddLogSystem(l)
- return l
-}
-
-func (l testLogger) LogPrint(msg logger.LogMsg) {
- l.t.Logf("%s", msg.String())
-}
-
-func (testLogger) detach() {
- logger.Flush()
- logger.Reset()
-}