| 1 | package harness |
| 2 | |
| 3 | import ( |
| 4 | "sync" |
| 5 | |
| 6 | . "github.com/ipfs/kubo/test/cli/testutils" |
| 7 | "github.com/multiformats/go-multiaddr" |
| 8 | ) |
| 9 | |
| 10 | // Nodes is a collection of Kubo nodes along with operations on groups of nodes. |
| 11 | type Nodes []*Node |
| 12 | |
| 13 | func (n Nodes) Init(args ...string) Nodes { |
| 14 | ForEachPar(n, func(node *Node) { node.Init(args...) }) |
| 15 | return n |
| 16 | } |
| 17 | |
| 18 | func (n Nodes) ForEachPar(f func(*Node)) { |
| 19 | var wg sync.WaitGroup |
| 20 | for _, node := range n { |
| 21 | wg.Add(1) |
| 22 | node := node |
| 23 | go func() { |
| 24 | defer wg.Done() |
| 25 | f(node) |
| 26 | }() |
| 27 | } |
| 28 | wg.Wait() |
| 29 | } |
| 30 | |
| 31 | func (n Nodes) Connect() Nodes { |
| 32 | for i, node := range n { |
| 33 | for j, otherNode := range n { |
| 34 | if i == j { |
| 35 | continue |
| 36 | } |
| 37 | // Do not connect in parallel, because that can cause TLS handshake problems on some platforms. |
| 38 | node.Connect(otherNode) |
| 39 | } |
| 40 | } |
| 41 | for _, node := range n { |
| 42 | firstPeer := node.Peers()[0] |
| 43 | if _, err := firstPeer.ValueForProtocol(multiaddr.P_P2P); err != nil { |
| 44 | log.Panicf("unexpected state for node %d with peer ID %s: %s", node.ID, node.PeerID(), err) |
| 45 | } |
| 46 | } |
| 47 | return n |
| 48 | } |
| 49 | |
| 50 | func (n Nodes) StartDaemons(args ...string) Nodes { |
| 51 | ForEachPar(n, func(node *Node) { node.StartDaemon(args...) }) |
| 52 | return n |
| 53 | } |
| 54 | |
| 55 | func (n Nodes) StopDaemons() Nodes { |
| 56 | ForEachPar(n, func(node *Node) { node.StopDaemon() }) |
| 57 | return n |
| 58 | } |