// New creates a DHT node. If config is nil, DefaultConfig will be used.
// Changing the config after calling this function has no effect.
//
// This method replaces NewDHTNode.
func New(config *Config) (node *DHT, err error) {
if config == nil {
config = DefaultConfig
}
// Copy to avoid changes.
cfg := *config
node = &DHT{
config: cfg,
routingTable: newRoutingTable(),
peerStore: newPeerStore(cfg.MaxInfoHashes, cfg.MaxInfoHashPeers),
PeersRequestResults: make(chan map[InfoHash][]string, 1),
stop: make(chan bool),
exploredNeighborhood: false,
// Buffer to avoid blocking on sends.
remoteNodeAcquaintance: make(chan remoteNodeAcquaintanceInfo, 100),
// Buffer to avoid deadlocks and blocking on sends.
peersRequest: make(chan ihReq, 100),
nodesRequest: make(chan ihReq, 100),
pingRequest: make(chan *remoteNode),
portRequest: make(chan int),
clientThrottle: nettools.NewThrottler(),
tokenSecrets: []string{newTokenSecret(), newTokenSecret()},
}
//c := openStore(cfg.Port, cfg.SaveRoutingTable)
//node.store = c
if len(cfg.NodeID) != 20 {
nid := randNodeId()
//c.Id = randNodeId()
cfg.NodeID = string(nid)
log.V(4).Infof("Using a new random node ID: %x %d", nid, len(nid))
//saveStore(*c)
}
// The types don't match because JSON marshalling needs []byte.
//node.nodeId = string(c.Id)
node.nodeId = cfg.NodeID
// XXX refactor.
node.routingTable.nodeId = node.nodeId
// This is called before the engine is up and ready to read from the
// underlying channel.
/*go func() {
for addr, _ := range c.Remotes {
node.AddNode(addr)
}
}()*/
return
}
func NewDHTNode(port, numTargetPeers int, storeEnabled bool) (node *DHT, err error) {
node = &DHT{
port: port,
routingTable: newRoutingTable(),
peerStore: newPeerStore(),
PeersRequestResults: make(chan map[InfoHash][]string, 1),
exploredNeighborhood: false,
// Buffer to avoid blocking on sends.
remoteNodeAcquaintance: make(chan string, 100),
// Buffer to avoid deadlocks and blocking on sends.
peersRequest: make(chan ihReq, 100),
nodesRequest: make(chan ihReq, 100),
pingRequest: make(chan *remoteNode),
numTargetPeers: numTargetPeers,
clientThrottle: nettools.NewThrottler(),
}
c := openStore(port, storeEnabled)
node.store = c
if len(c.Id) != 20 {
c.Id = randNodeId()
l4g.Info("newId: %x %d", c.Id, len(c.Id))
saveStore(*c)
}
// The types don't match because JSON marshalling needs []byte.
node.nodeId = string(c.Id)
expNodeIds.Add(fmt.Sprintf("%x", node.nodeId), 0)
// XXX refactor.
node.routingTable.nodeId = node.nodeId
// This is called before the engine is up and ready to read from the
// underlying channel.
go func() {
for addr, _ := range c.Remotes {
node.AddNode(addr)
}
}()
return
}
