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chore: [client] - add some randomization to peer conn timeout

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This commit is contained in:
braginini 2022-01-01 14:03:03 +01:00
parent 4d2b194570
commit 828410b34c
1 changed files with 7 additions and 4 deletions
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11
client/internal/engine.go
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@ -12,14 +12,16 @@ import (
signal "github.com/wiretrustee/wiretrustee/signal/client"
sProto "github.com/wiretrustee/wiretrustee/signal/proto"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
"math/rand"
"strings"
"sync"
"time"
)
// PeerConnectionTimeout is a timeout of an initial connection attempt to a remote peer.
// E.g. this peer will wait PeerConnectionTimeout for the remote peer to respond, if not successful then it will retry the connection attempt.
const PeerConnectionTimeout = 40 * time.Second
// PeerConnectionTimeoutMax is a timeout of an initial connection attempt to a remote peer.
// E.g. this peer will wait PeerConnectionTimeoutMax for the remote peer to respond, if not successful then it will retry the connection attempt.
const PeerConnectionTimeoutMax = 45 //sec
const PeerConnectionTimeoutMin = 30 //sec
// EngineConfig is a config for the Engine
type EngineConfig struct {
@ -267,7 +269,8 @@ func (e *Engine) openPeerConnection(wgPort int, myKey wgtypes.Key, peer Peer) (*
e.peerMux.Unlock()
// blocks until the connection is open (or timeout)
err := conn.Open(PeerConnectionTimeout)
timeout := rand.Intn(PeerConnectionTimeoutMax-PeerConnectionTimeoutMin) + PeerConnectionTimeoutMin
err := conn.Open(time.Duration(timeout) * time.Second)
if err != nil {
return nil, err
}