Merge pull request #2740 from Firescar96/removepeer

node, p2p, internal: Add ability to remove peers via admin interface
This commit is contained in:
Felix Lange
2016-07-29 12:34:28 +02:00
committed by GitHub
5 changed files with 48 additions and 0 deletions

View File

@ -121,6 +121,11 @@ func (s *dialstate) addStatic(n *discover.Node) {
s.static[n.ID] = &dialTask{flags: staticDialedConn, dest: n}
}
func (s *dialstate) removeStatic(n *discover.Node) {
// This removes a task so future attempts to connect will not be made.
delete(s.static, n.ID)
}
func (s *dialstate) newTasks(nRunning int, peers map[discover.NodeID]*Peer, now time.Time) []task {
var newtasks []task
isDialing := func(id discover.NodeID) bool {

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@ -142,6 +142,7 @@ type Server struct {
quit chan struct{}
addstatic chan *discover.Node
removestatic chan *discover.Node
posthandshake chan *conn
addpeer chan *conn
delpeer chan *Peer
@ -257,6 +258,14 @@ func (srv *Server) AddPeer(node *discover.Node) {
}
}
// RemovePeer disconnects from the given node
func (srv *Server) RemovePeer(node *discover.Node) {
select {
case srv.removestatic <- node:
case <-srv.quit:
}
}
// Self returns the local node's endpoint information.
func (srv *Server) Self() *discover.Node {
srv.lock.Lock()
@ -327,6 +336,7 @@ func (srv *Server) Start() (err error) {
srv.delpeer = make(chan *Peer)
srv.posthandshake = make(chan *conn)
srv.addstatic = make(chan *discover.Node)
srv.removestatic = make(chan *discover.Node)
srv.peerOp = make(chan peerOpFunc)
srv.peerOpDone = make(chan struct{})
@ -395,6 +405,7 @@ type dialer interface {
newTasks(running int, peers map[discover.NodeID]*Peer, now time.Time) []task
taskDone(task, time.Time)
addStatic(*discover.Node)
removeStatic(*discover.Node)
}
func (srv *Server) run(dialstate dialer) {
@ -458,6 +469,15 @@ running:
// it will keep the node connected.
glog.V(logger.Detail).Infoln("<-addstatic:", n)
dialstate.addStatic(n)
case n := <-srv.removestatic:
// This channel is used by RemovePeer to send a
// disconnect request to a peer and begin the
// stop keeping the node connected
glog.V(logger.Detail).Infoln("<-removestatic:", n)
dialstate.removeStatic(n)
if p, ok := peers[n.ID]; ok {
p.Disconnect(DiscRequested)
}
case op := <-srv.peerOp:
// This channel is used by Peers and PeerCount.
op(peers)

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@ -301,6 +301,8 @@ func (tg taskgen) taskDone(t task, now time.Time) {
}
func (tg taskgen) addStatic(*discover.Node) {
}
func (tg taskgen) removeStatic(*discover.Node) {
}
type testTask struct {
index int