go-waku/examples/chat2-reliable/test_utils.go

72 lines
1.7 KiB
Go

package main
import (
"context"
"fmt"
"sync"
"github.com/libp2p/go-libp2p/core/host"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/waku-org/go-waku/waku/v2/node"
)
type TestNetworkController struct {
nodes []*node.WakuNode
chats []*Chat
mu sync.Mutex
ctx context.Context
}
func NewNetworkController(ctx context.Context, nodes []*node.WakuNode, chats []*Chat) *TestNetworkController {
return &TestNetworkController{
nodes: nodes,
chats: chats,
ctx: ctx,
}
}
func (nc *TestNetworkController) DisconnectNode(node *node.WakuNode) {
nc.mu.Lock()
defer nc.mu.Unlock()
for _, other := range nc.nodes {
if node != other {
nc.disconnectPeers(node.Host(), other.Host())
}
}
}
func (nc *TestNetworkController) ReconnectNode(node *node.WakuNode) {
nc.mu.Lock()
defer nc.mu.Unlock()
for _, other := range nc.nodes {
if node != other && !nc.IsConnected(node, other) {
nc.connectPeers(node.Host(), other.Host())
fmt.Printf("Reconnected node %s to node %s\n", node.Host().ID().String(), other.Host().ID().String())
}
}
}
func (nc *TestNetworkController) disconnectPeers(h1, h2 host.Host) {
h1.Network().ClosePeer(h2.ID())
h2.Network().ClosePeer(h1.ID())
}
func (nc *TestNetworkController) connectPeers(h1, h2 host.Host) {
_, err := h1.Network().DialPeer(nc.ctx, h2.ID())
if err != nil {
fmt.Printf("Error connecting peers: %v\n", err)
}
}
func (nc *TestNetworkController) IsConnected(n1, n2 *node.WakuNode) bool {
peerID, err := peer.Decode(n2.ID())
if err != nil {
fmt.Printf("Error decoding peer ID: %v\n", err)
return false
}
return n1.Host().Network().Connectedness(peerID) == network.Connected
}