tendermint/p2p/dummy/peer.go
Anton Kaliaev 2449bf7300 p2p: file descriptor leaks (#3150)
* close peer's connection to avoid fd leak

Fixes #2967

* rename peer#Addr to RemoteAddr

* fix test

* fixes after Ethan's review

* bring back the check

* changelog entry

* write a test for switch#acceptRoutine

* increase timeouts? :(

* remove extra assertNPeersWithTimeout

* simplify test

* assert number of peers (just to be safe)

* Cleanup in OnStop

* run tests with verbose flag on CircleCI

* spawn a reading routine to prevent connection from closing

* get port from the listener

random port is faster, but often results in

```
panic: listen tcp 127.0.0.1:44068: bind: address already in use [recovered]
        panic: listen tcp 127.0.0.1:44068: bind: address already in use

goroutine 79 [running]:
testing.tRunner.func1(0xc0001bd600)
        /usr/local/go/src/testing/testing.go:792 +0x387
panic(0x974d20, 0xc0001b0500)
        /usr/local/go/src/runtime/panic.go:513 +0x1b9
github.com/tendermint/tendermint/p2p.MakeSwitch(0xc0000f42a0, 0x0, 0x9fb9cc, 0x9, 0x9fc346, 0xb, 0xb42128, 0x0, 0x0, 0x0, ...)
        /home/vagrant/go/src/github.com/tendermint/tendermint/p2p/test_util.go:182 +0xa28
github.com/tendermint/tendermint/p2p.MakeConnectedSwitches(0xc0000f42a0, 0x2, 0xb42128, 0xb41eb8, 0x4f1205, 0xc0001bed80, 0x4f16ed)
        /home/vagrant/go/src/github.com/tendermint/tendermint/p2p/test_util.go:75 +0xf9
github.com/tendermint/tendermint/p2p.MakeSwitchPair(0xbb8d20, 0xc0001bd600, 0xb42128, 0x2f7, 0x4f16c0)
        /home/vagrant/go/src/github.com/tendermint/tendermint/p2p/switch_test.go:94 +0x4c
github.com/tendermint/tendermint/p2p.TestSwitches(0xc0001bd600)
        /home/vagrant/go/src/github.com/tendermint/tendermint/p2p/switch_test.go:117 +0x58
testing.tRunner(0xc0001bd600, 0xb42038)
        /usr/local/go/src/testing/testing.go:827 +0xbf
created by testing.(*T).Run
        /usr/local/go/src/testing/testing.go:878 +0x353
exit status 2
FAIL    github.com/tendermint/tendermint/p2p    0.350s
```
2019-01-22 13:23:18 -05:00

101 lines
2.0 KiB
Go

package dummy
import (
"net"
cmn "github.com/tendermint/tendermint/libs/common"
p2p "github.com/tendermint/tendermint/p2p"
tmconn "github.com/tendermint/tendermint/p2p/conn"
)
type peer struct {
cmn.BaseService
kv map[string]interface{}
}
var _ p2p.Peer = (*peer)(nil)
// NewPeer creates new dummy peer.
func NewPeer() *peer {
p := &peer{
kv: make(map[string]interface{}),
}
p.BaseService = *cmn.NewBaseService(nil, "peer", p)
return p
}
// FlushStop just calls Stop.
func (p *peer) FlushStop() {
p.Stop()
}
// ID always returns dummy.
func (p *peer) ID() p2p.ID {
return p2p.ID("dummy")
}
// IsOutbound always returns false.
func (p *peer) IsOutbound() bool {
return false
}
// IsPersistent always returns false.
func (p *peer) IsPersistent() bool {
return false
}
// NodeInfo always returns empty node info.
func (p *peer) NodeInfo() p2p.NodeInfo {
return p2p.DefaultNodeInfo{}
}
// RemoteIP always returns localhost.
func (p *peer) RemoteIP() net.IP {
return net.ParseIP("127.0.0.1")
}
// Addr always returns tcp://localhost:8800.
func (p *peer) RemoteAddr() net.Addr {
return &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8800}
}
// CloseConn always returns nil.
func (p *peer) CloseConn() error {
return nil
}
// Status always returns empry connection status.
func (p *peer) Status() tmconn.ConnectionStatus {
return tmconn.ConnectionStatus{}
}
// Send does not do anything and just returns true.
func (p *peer) Send(byte, []byte) bool {
return true
}
// TrySend does not do anything and just returns true.
func (p *peer) TrySend(byte, []byte) bool {
return true
}
// Set records value under key specified in the map.
func (p *peer) Set(key string, value interface{}) {
p.kv[key] = value
}
// Get returns a value associated with the key. Nil is returned if no value
// found.
func (p *peer) Get(key string) interface{} {
if value, ok := p.kv[key]; ok {
return value
}
return nil
}
// OriginalAddr always returns nil.
func (p *peer) OriginalAddr() *p2p.NetAddress {
return nil
}