mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-09 16:20:26 +00:00
more cleanup and fix a busyloop when the admin socket is shut down
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parent
e25ad9ed21
commit
1db7437b80
@ -25,7 +25,7 @@ type AdminSocket struct {
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listenaddr string
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listener net.Listener
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handlers map[string]handler
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started bool
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done chan struct{}
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}
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type AdminSocketResponse struct {
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@ -69,6 +69,8 @@ func (a *AdminSocket) Init(c *core.Core, state *config.NodeState, log *log.Logge
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a.handlers = make(map[string]handler)
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current := state.GetCurrent()
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a.listenaddr = current.AdminListen
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a.done = make(chan struct{})
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close(a.done) // Start in a done / not-started state
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_ = a.AddHandler("list", []string{}, func(_ json.RawMessage) (interface{}, error) {
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res := &ListResponse{
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List: map[string]ListEntry{},
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@ -144,21 +146,32 @@ func (a *AdminSocket) SetupAdminHandlers(na *AdminSocket) {
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// Start runs the admin API socket to listen for / respond to admin API calls.
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func (a *AdminSocket) Start() error {
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if a.listenaddr != "none" && a.listenaddr != "" {
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a.done = make(chan struct{})
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go a.listen()
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a.started = true
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}
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return nil
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}
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// IsStarted returns true if the module has been started.
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func (a *AdminSocket) IsStarted() bool {
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return a.started
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select {
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case <-a.done:
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// Not blocking, so we're not currently running
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return false
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default:
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// Blocked, so we must have started
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return true
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}
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}
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// Stop will stop the admin API and close the socket.
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func (a *AdminSocket) Stop() error {
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if a.listener != nil {
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a.started = false
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select {
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case <-a.done:
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default:
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close(a.done)
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}
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return a.listener.Close()
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}
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return nil
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@ -215,6 +228,14 @@ func (a *AdminSocket) listen() {
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conn, err := a.listener.Accept()
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if err == nil {
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go a.handleRequest(conn)
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} else {
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select {
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case <-a.done:
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// Not blocked, so we havent started or already stopped
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return
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default:
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// Blocked, so we're supposed to keep running
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}
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}
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}
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}
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@ -95,9 +95,11 @@ func (c *Core) _addPeerLoop() {
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}
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}
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c.addPeerTimer = time.AfterFunc(time.Minute, func() {
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c.Act(nil, c._addPeerLoop)
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})
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if c.addPeerTimer != nil {
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c.addPeerTimer = time.AfterFunc(time.Minute, func() {
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c.Act(nil, c._addPeerLoop)
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})
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}
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}
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// Start starts up Yggdrasil using the provided config.NodeConfig, and outputs
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@ -149,7 +151,9 @@ func (c *Core) _start(nc *config.NodeConfig, log *log.Logger) (*config.NodeState
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// return nil, err
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//}
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c.Act(c, c._addPeerLoop)
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c.addPeerTimer = time.AfterFunc(0, func() {
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c.Act(nil, c._addPeerLoop)
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})
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c.log.Infoln("Startup complete")
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return &c.config, nil
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@ -166,6 +170,7 @@ func (c *Core) _stop() {
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c.log.Infoln("Stopping...")
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if c.addPeerTimer != nil {
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c.addPeerTimer.Stop()
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c.addPeerTimer = nil
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}
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c.links.stop()
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/* FIXME this deadlocks, need a waitgroup or something to coordinate shutdown
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@ -142,7 +142,7 @@ func TestCore_Start_Transfer(t *testing.T) {
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if err != nil {
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t.Fatal(err)
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}
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if bytes.Compare(msg, buf) != 0 {
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if !bytes.Equal(msg, buf) {
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t.Fatal("expected echo")
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}
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<-done
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@ -31,7 +31,6 @@ import (
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)
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const default_timeout = 6 * time.Second
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const tcp_ping_interval = (default_timeout * 2 / 3)
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// The TCP listener and information about active TCP connections, to avoid duplication.
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type tcp struct {
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@ -17,11 +17,7 @@ import (
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"golang.org/x/net/ipv6"
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)
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const len_ETHER = 14
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type ICMPv6 struct {
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tun *TunAdapter
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}
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type ICMPv6 struct{}
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// Marshal returns the binary encoding of h.
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func ipv6Header_Marshal(h *ipv6.Header) ([]byte, error) {
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