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Merge pull request #750 from milosgajdos83/node-peers

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[WIP] Neighbour is now Peer. Peer is a node in network topology.
This commit is contained in:
Asim Aslam 2019-09-13 12:00:16 -07:00 committed by GitHub
commit ef86c9625b
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14 changed files with 1042 additions and 1157 deletions
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399
network/default.go
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@ -1,7 +1,6 @@
package network package network
import ( import (
"container/list"
"errors" "errors"
"sync" "sync"
"time" "time"
@ -30,61 +29,10 @@ var (
) )
var ( var (
// ErrMsgUnknown is returned when unknown message is attempted to send or receive
ErrMsgUnknown = errors.New("unknown message")
// ErrClientNotFound is returned when client for tunnel channel could not be found // ErrClientNotFound is returned when client for tunnel channel could not be found
ErrClientNotFound = errors.New("client not found") ErrClientNotFound = errors.New("client not found")
) )
// node is network node
type node struct {
sync.RWMutex
// id is node id
id string
// address is node address
address string
// neighbours maps the node neighbourhood
neighbours map[string]*node
// network returns the node network
network Network
// lastSeen stores the time the node has been seen last time
lastSeen time.Time
}
// Id is node ide
func (n *node) Id() string {
return n.id
}
// Address returns node address
func (n *node) Address() string {
return n.address
}
// Network returns node network
func (n *node) Network() Network {
return n.network
}
// Neighbourhood returns node neighbourhood
func (n *node) Neighbourhood() []Node {
var nodes []Node
n.RLock()
for _, neighbourNode := range n.neighbours {
// make a copy of the node
n := &node{
id: neighbourNode.id,
address: neighbourNode.address,
network: neighbourNode.network,
}
// NOTE: we do not care about neighbour's neighbours
nodes = append(nodes, n)
}
n.RUnlock()
return nodes
}
// network implements Network interface // network implements Network interface
type network struct { type network struct {
// node is network node // node is network node
@ -156,9 +104,9 @@ func newNetwork(opts ...Option) Network {
network := &network{ network := &network{
node: &node{ node: &node{
id: options.Id, id: options.Id,
address: options.Address, address: options.Address,
neighbours: make(map[string]*node), peers: make(map[string]*node),
}, },
options: options, options: options,
Router: options.Router, Router: options.Router,
@ -176,9 +124,10 @@ func newNetwork(opts ...Option) Network {
// Options returns network options // Options returns network options
func (n *network) Options() Options { func (n *network) Options() Options {
n.Lock() n.RLock()
defer n.RUnlock()
options := n.options options := n.options
n.Unlock()
return options return options
} }
@ -248,7 +197,6 @@ func (n *network) handleNetConn(sess tunnel.Session, msg chan *transport.Message
for { for {
m := new(transport.Message) m := new(transport.Message)
if err := sess.Recv(m); err != nil { if err := sess.Recv(m); err != nil {
// TODO: should we bail here?
log.Debugf("Network tunnel [%s] receive error: %v", NetworkChannel, err) log.Debugf("Network tunnel [%s] receive error: %v", NetworkChannel, err)
return return
} }
@ -307,81 +255,70 @@ func (n *network) processNetChan(client transport.Client, listener tunnel.Listen
if pbNetConnect.Node.Id == n.options.Id { if pbNetConnect.Node.Id == n.options.Id {
continue continue
} }
n.Lock()
log.Debugf("Network received connect message from: %s", pbNetConnect.Node.Id) log.Debugf("Network received connect message from: %s", pbNetConnect.Node.Id)
// if the entry already exists skip adding it peer := &node{
if neighbour, ok := n.neighbours[pbNetConnect.Node.Id]; ok { id: pbNetConnect.Node.Id,
// update lastSeen timestamp address: pbNetConnect.Node.Address,
if n.neighbours[pbNetConnect.Node.Id].lastSeen.Before(now) { peers: make(map[string]*node),
neighbour.lastSeen = now lastSeen: now,
}
if ok := n.node.AddPeer(peer); !ok {
log.Debugf("Network peer exists, refreshing: %s", peer.id)
// update lastSeen time for the existing node
if ok := n.RefreshPeer(peer.id, now); !ok {
log.Debugf("Network failed refreshing peer: %s", peer.id)
} }
n.Unlock()
continue continue
} }
// add a new neighbour // get node peers down to MaxDepth encoded in protobuf
// NOTE: new node does not have any neighbours msg := PeersToProto(n.node, MaxDepth)
n.neighbours[pbNetConnect.Node.Id] = &node{
id: pbNetConnect.Node.Id,
address: pbNetConnect.Node.Address,
neighbours: make(map[string]*node),
lastSeen: now,
}
n.Unlock()
// advertise yourself to the network // advertise yourself to the network
if err := n.sendMsg("neighbour", NetworkChannel); err != nil { if err := n.sendMsg("peer", msg, NetworkChannel); err != nil {
log.Debugf("Network failed to advertise neighbours: %v", err) log.Debugf("Network failed to advertise peers: %v", err)
} }
// advertise all the routes when a new node has connected // advertise all the routes when a new node has connected
if err := n.Router.Solicit(); err != nil { if err := n.Router.Solicit(); err != nil {
log.Debugf("Network failed to solicit routes: %s", err) log.Debugf("Network failed to solicit routes: %s", err)
} }
case "neighbour": case "peer":
// mark the time the message has been received // mark the time the message has been received
now := time.Now() now := time.Now()
pbNetNeighbour := &pbNet.Neighbour{} pbNetPeer := &pbNet.Peer{}
if err := proto.Unmarshal(m.Body, pbNetNeighbour); err != nil { if err := proto.Unmarshal(m.Body, pbNetPeer); err != nil {
log.Debugf("Network tunnel [%s] neighbour unmarshal error: %v", NetworkChannel, err) log.Debugf("Network tunnel [%s] peer unmarshal error: %v", NetworkChannel, err)
continue continue
} }
// don't process your own messages // don't process your own messages
if pbNetNeighbour.Node.Id == n.options.Id { if pbNetPeer.Node.Id == n.options.Id {
continue continue
} }
n.Lock() log.Debugf("Network received peer message from: %s", pbNetPeer.Node.Id)
log.Debugf("Network received neighbour message from: %s", pbNetNeighbour.Node.Id) peer := &node{
// only add the neighbour if it is NOT already in node's list of neighbours id: pbNetPeer.Node.Id,
_, exists := n.neighbours[pbNetNeighbour.Node.Id] address: pbNetPeer.Node.Address,
if !exists { peers: make(map[string]*node),
n.neighbours[pbNetNeighbour.Node.Id] = &node{ lastSeen: now,
id: pbNetNeighbour.Node.Id, }
address: pbNetNeighbour.Node.Address, if ok := n.node.AddPeer(peer); ok {
neighbours: make(map[string]*node), // send a solicit message when discovering new peer
lastSeen: now, msg := &pbRtr.Solicit{
Id: n.options.Id,
} }
} if err := n.sendMsg("solicit", msg, ControlChannel); err != nil {
// update lastSeen timestamp
if n.neighbours[pbNetNeighbour.Node.Id].lastSeen.Before(now) {
n.neighbours[pbNetNeighbour.Node.Id].lastSeen = now
}
// update/store the neighbour node neighbours
// NOTE: * we do NOT update lastSeen time for the neighbours of the neighbour
// * even though we are NOT interested in neighbours of neighbours here
// we still allocate the map of neighbours for each of them
for _, pbNeighbour := range pbNetNeighbour.Neighbours {
neighbourNode := &node{
id: pbNeighbour.Id,
address: pbNeighbour.Address,
neighbours: make(map[string]*node),
}
n.neighbours[pbNetNeighbour.Node.Id].neighbours[pbNeighbour.Id] = neighbourNode
}
n.Unlock()
// send a solicit message when discovering a new node
// NOTE: we need to send the solicit message here after the Lock is released as sendMsg locks, too
if !exists {
if err := n.sendMsg("solicit", ControlChannel); err != nil {
log.Debugf("Network failed to send solicit message: %s", err) log.Debugf("Network failed to send solicit message: %s", err)
} }
continue
}
log.Debugf("Network peer exists, refreshing: %s", pbNetPeer.Node.Id)
// update lastSeen time for the peer
if ok := n.RefreshPeer(pbNetPeer.Node.Id, now); !ok {
log.Debugf("Network failed refreshing peer: %s", pbNetPeer.Node.Id)
}
// NOTE: we don't unpack MaxDepth toplogy
peer = UnpackPeerTopology(pbNetPeer, now, MaxDepth-1)
log.Debugf("Network updating topology of node: %s", n.node.id)
if ok := n.node.UpdatePeer(peer); !ok {
log.Debugf("Network failed to update peers")
} }
case "close": case "close":
pbNetClose := &pbNet.Close{} pbNetClose := &pbNet.Close{}
@ -393,13 +330,11 @@ func (n *network) processNetChan(client transport.Client, listener tunnel.Listen
if pbNetClose.Node.Id == n.options.Id { if pbNetClose.Node.Id == n.options.Id {
continue continue
} }
n.Lock()
log.Debugf("Network received close message from: %s", pbNetClose.Node.Id) log.Debugf("Network received close message from: %s", pbNetClose.Node.Id)
if err := n.pruneNode(pbNetClose.Node.Id); err != nil { if err := n.pruneNode(pbNetClose.Node.Id); err != nil {
log.Debugf("Network failed to prune the node %s: %v", pbNetClose.Node.Id, err) log.Debugf("Network failed to prune the node %s: %v", pbNetClose.Node.Id, err)
continue continue
} }
n.Unlock()
} }
case <-n.closed: case <-n.closed:
return return
@ -408,68 +343,29 @@ func (n *network) processNetChan(client transport.Client, listener tunnel.Listen
} }
// sendMsg sends a message to the tunnel channel // sendMsg sends a message to the tunnel channel
func (n *network) sendMsg(msgType string, channel string) error { func (n *network) sendMsg(method string, msg proto.Message, channel string) error {
node := &pbNet.Node{ body, err := proto.Marshal(msg)
Id: n.options.Id,
Address: n.options.Address,
}
var protoMsg proto.Message
switch msgType {
case "connect":
protoMsg = &pbNet.Connect{
Node: node,
}
case "close":
protoMsg = &pbNet.Close{
Node: node,
}
case "solicit":
protoMsg = &pbNet.Solicit{
Node: node,
}
case "neighbour":
n.RLock()
nodes := make([]*pbNet.Node, len(n.neighbours))
i := 0
for id := range n.neighbours {
nodes[i] = &pbNet.Node{
Id: id,
Address: n.neighbours[id].address,
}
i++
}
n.RUnlock()
protoMsg = &pbNet.Neighbour{
Node: node,
Neighbours: nodes,
}
default:
return ErrMsgUnknown
}
body, err := proto.Marshal(protoMsg)
if err != nil { if err != nil {
return err return err
} }
// create transport message and chuck it down the pipe // create transport message and chuck it down the pipe
m := transport.Message{ m := transport.Message{
Header: map[string]string{ Header: map[string]string{
"Micro-Method": msgType, "Micro-Method": method,
}, },
Body: body, Body: body,
} }
// check if the channel client is initialized
n.RLock() n.RLock()
client, ok := n.tunClient[channel] client, ok := n.tunClient[channel]
if !ok { if !ok || client == nil {
n.RUnlock() n.RUnlock()
return ErrClientNotFound return ErrClientNotFound
} }
n.RUnlock() n.RUnlock()
log.Debugf("Network sending %s message from: %s", msgType, node.Id) log.Debugf("Network sending %s message from: %s", method, n.options.Id)
if err := client.Send(&m); err != nil { if err := client.Send(&m); err != nil {
return err return err
} }
@ -477,7 +373,7 @@ func (n *network) sendMsg(msgType string, channel string) error {
return nil return nil
} }
// announce announces node neighbourhood to the network // announce announces node peers to the network
func (n *network) announce(client transport.Client) { func (n *network) announce(client transport.Client) {
announce := time.NewTicker(AnnounceTime) announce := time.NewTicker(AnnounceTime)
defer announce.Stop() defer announce.Stop()
@ -487,19 +383,20 @@ func (n *network) announce(client transport.Client) {
case <-n.closed: case <-n.closed:
return return
case <-announce.C: case <-announce.C:
msg := PeersToProto(n.node, MaxDepth)
// advertise yourself to the network // advertise yourself to the network
if err := n.sendMsg("neighbour", NetworkChannel); err != nil { if err := n.sendMsg("peer", msg, NetworkChannel); err != nil {
log.Debugf("Network failed to advertise neighbours: %v", err) log.Debugf("Network failed to advertise peers: %v", err)
continue continue
} }
} }
} }
} }
// pruneNode removes a node with given id from the list of neighbours. It also removes all routes originted by this node. // pruneNode removes a node with given id from the list of peers. It also removes all routes originted by this node.
// NOTE: this method is not thread-safe; when calling it make sure you lock the particular code segment
func (n *network) pruneNode(id string) error { func (n *network) pruneNode(id string) error {
delete(n.neighbours, id) // DeletePeer serializes access
n.node.DeletePeer(id)
// lookup all the routes originated at this node // lookup all the routes originated at this node
q := router.NewQuery( q := router.NewQuery(
router.QueryRouter(id), router.QueryRouter(id),
@ -531,7 +428,7 @@ func (n *network) prune() {
return return
case <-prune.C: case <-prune.C:
n.Lock() n.Lock()
for id, node := range n.neighbours { for id, node := range n.peers {
if id == n.options.Id { if id == n.options.Id {
continue continue
} }
@ -589,8 +486,8 @@ func (n *network) acceptCtrlConn(l tunnel.Listener, recv chan *transport.Message
// setRouteMetric calculates metric of the route and updates it in place // setRouteMetric calculates metric of the route and updates it in place
// - Local route metric is 1 // - Local route metric is 1
// - Routes with ID of adjacent neighbour are 10 // - Routes with ID of adjacent nodes are 10
// - Routes of neighbours of the advertiser are 100 // - Routes by peers of the advertiser are 100
// - Routes beyond your neighbourhood are 1000 // - Routes beyond your neighbourhood are 1000
func (n *network) setRouteMetric(route *router.Route) { func (n *network) setRouteMetric(route *router.Route) {
// we are the origin of the route // we are the origin of the route
@ -599,25 +496,21 @@ func (n *network) setRouteMetric(route *router.Route) {
return return
} }
n.RLock() // check if the route origin is our peer
// check if the route origin is our neighbour if _, ok := n.peers[route.Router]; ok {
if _, ok := n.neighbours[route.Router]; ok {
route.Metric = 10 route.Metric = 10
n.RUnlock()
return return
} }
// check if the route origin is the neighbour of our neighbour // check if the route origin is the peer of our peer
for _, node := range n.neighbours { for _, peer := range n.peers {
for id := range node.neighbours { for id := range peer.peers {
if route.Router == id { if route.Router == id {
route.Metric = 100 route.Metric = 100
n.RUnlock()
return return
} }
} }
} }
n.RUnlock()
// the origin of the route is beyond our neighbourhood // the origin of the route is beyond our neighbourhood
route.Metric = 1000 route.Metric = 1000
@ -637,7 +530,6 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
// switch on type of message and take action // switch on type of message and take action
switch m.Header["Micro-Method"] { switch m.Header["Micro-Method"] {
case "advert": case "advert":
now := time.Now()
pbRtrAdvert := &pbRtr.Advert{} pbRtrAdvert := &pbRtr.Advert{}
if err := proto.Unmarshal(m.Body, pbRtrAdvert); err != nil { if err := proto.Unmarshal(m.Body, pbRtrAdvert); err != nil {
log.Debugf("Network fail to unmarshal advert message: %v", err) log.Debugf("Network fail to unmarshal advert message: %v", err)
@ -647,41 +539,23 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
if pbRtrAdvert.Id == n.options.Id { if pbRtrAdvert.Id == n.options.Id {
continue continue
} }
// loookup advertising node in our neighbourhood log.Debugf("Network received advert message with %d events from: %s", len(pbRtrAdvert.Events), pbRtrAdvert.Id)
n.RLock() // loookup advertising node in our peer topology
log.Debugf("Network received advert message from: %s", pbRtrAdvert.Id) advertNode := n.node.GetPeerNode(pbRtrAdvert.Id)
advertNode, ok := n.neighbours[pbRtrAdvert.Id] if advertNode == nil {
if !ok { // if we can't find the node in our topology (MaxDepth) we skipp prcessing adverts
// advertising node has not been registered as our neighbour, yet log.Debugf("Network skipping advert message from unknown peer: %s", pbRtrAdvert.Id)
// let's add it to the map of our neighbours continue
advertNode = &node{
id: pbRtrAdvert.Id,
neighbours: make(map[string]*node),
lastSeen: now,
}
n.neighbours[pbRtrAdvert.Id] = advertNode
// send a solicit message when discovering a new node
if err := n.sendMsg("solicit", NetworkChannel); err != nil {
log.Debugf("Network failed to send solicit message: %s", err)
}
} }
n.RUnlock()
var events []*router.Event var events []*router.Event
for _, event := range pbRtrAdvert.Events { for _, event := range pbRtrAdvert.Events {
// set the address of the advertising node
// we know Route.Gateway is the address of advertNode
// NOTE: this is true only when advertNode had not been registered
// as our neighbour when we received the advert from it
if advertNode.address == "" {
advertNode.address = event.Route.Gateway
}
// if advertising node id is not the same as Route.Router
// we know the advertising node is not the origin of the route // we know the advertising node is not the origin of the route
if advertNode.id != event.Route.Router { if pbRtrAdvert.Id != event.Route.Router {
// if the origin router is not in the advertising node neighbourhood // if the origin router is not the advertising node peer
// we can't rule out potential routing loops so we bail here // we can't rule out potential routing loops so we bail here
if _, ok := advertNode.neighbours[event.Route.Router]; !ok { if peer := advertNode.GetPeerNode(event.Route.Router); peer == nil {
log.Debugf("Network skipping advert message from peer: %s", pbRtrAdvert.Id)
continue continue
} }
} }
@ -695,7 +569,9 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
Metric: int(event.Route.Metric), Metric: int(event.Route.Metric),
} }
// set the route metric // set the route metric
n.node.RLock()
n.setRouteMetric(&route) n.setRouteMetric(&route)
n.node.RUnlock()
// throw away metric bigger than 1000 // throw away metric bigger than 1000
if route.Metric > 1000 { if route.Metric > 1000 {
log.Debugf("Network route metric %d dropping node: %s", route.Metric, route.Router) log.Debugf("Network route metric %d dropping node: %s", route.Metric, route.Router)
@ -709,6 +585,7 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
} }
events = append(events, e) events = append(events, e)
} }
// create an advert and process it
advert := &router.Advert{ advert := &router.Advert{
Id: pbRtrAdvert.Id, Id: pbRtrAdvert.Id,
Type: router.AdvertType(pbRtrAdvert.Type), Type: router.AdvertType(pbRtrAdvert.Type),
@ -717,21 +594,22 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
Events: events, Events: events,
} }
log.Debugf("Network router processing advert: %s", advert.Id)
if err := n.Router.Process(advert); err != nil { if err := n.Router.Process(advert); err != nil {
log.Debugf("Network failed to process advert %s: %v", advert.Id, err) log.Debugf("Network failed to process advert %s: %v", advert.Id, err)
continue
} }
case "solicit": case "solicit":
pbNetSolicit := &pbNet.Solicit{} pbRtrSolicit := &pbRtr.Solicit{}
if err := proto.Unmarshal(m.Body, pbNetSolicit); err != nil { if err := proto.Unmarshal(m.Body, pbRtrSolicit); err != nil {
log.Debugf("Network fail to unmarshal solicit message: %v", err) log.Debugf("Network fail to unmarshal solicit message: %v", err)
continue continue
} }
log.Debugf("Network received solicit message from: %s", pbNetSolicit.Node.Id) log.Debugf("Network received solicit message from: %s", pbRtrSolicit.Id)
// don't process your own messages // ignore solicitation when requested by you
if pbNetSolicit.Node.Id == n.options.Id { if pbRtrSolicit.Id == n.options.Id {
continue continue
} }
log.Debugf("Network router flushing routes for: %s", pbRtrSolicit.Id)
// advertise all the routes when a new node has connected // advertise all the routes when a new node has connected
if err := n.Router.Solicit(); err != nil { if err := n.Router.Solicit(); err != nil {
log.Debugf("Network failed to solicit routes: %s", err) log.Debugf("Network failed to solicit routes: %s", err)
@ -769,29 +647,14 @@ func (n *network) advertise(client transport.Client, advertChan <-chan *router.A
} }
events = append(events, e) events = append(events, e)
} }
pbRtrAdvert := &pbRtr.Advert{ msg := &pbRtr.Advert{
Id: advert.Id, Id: advert.Id,
Type: pbRtr.AdvertType(advert.Type), Type: pbRtr.AdvertType(advert.Type),
Timestamp: advert.Timestamp.UnixNano(), Timestamp: advert.Timestamp.UnixNano(),
Events: events, Events: events,
} }
body, err := proto.Marshal(pbRtrAdvert) if err := n.sendMsg("advert", msg, ControlChannel); err != nil {
if err != nil { log.Debugf("Network failed to advertise routes: %v", err)
// TODO: should we bail here?
log.Debugf("Network failed to marshal advert message: %v", err)
continue
}
// create transport message and chuck it down the pipe
m := transport.Message{
Header: map[string]string{
"Micro-Method": "advert",
},
Body: body,
}
log.Debugf("Network sending advert message from: %s", pbRtrAdvert.Id)
if err := client.Send(&m); err != nil {
log.Debugf("Network failed to send advert %s: %v", pbRtrAdvert.Id, err)
continue continue
} }
case <-n.closed: case <-n.closed:
@ -805,6 +668,7 @@ func (n *network) Connect() error {
n.Lock() n.Lock()
// return if already connected // return if already connected
if n.connected { if n.connected {
n.Unlock()
return nil return nil
} }
@ -816,6 +680,7 @@ func (n *network) Connect() error {
// connect network tunnel // connect network tunnel
if err := n.Tunnel.Connect(); err != nil { if err := n.Tunnel.Connect(); err != nil {
n.Unlock()
return err return err
} }
@ -827,6 +692,7 @@ func (n *network) Connect() error {
// dial into ControlChannel to send route adverts // dial into ControlChannel to send route adverts
ctrlClient, err := n.Tunnel.Dial(ControlChannel, tunnel.DialMulticast()) ctrlClient, err := n.Tunnel.Dial(ControlChannel, tunnel.DialMulticast())
if err != nil { if err != nil {
n.Unlock()
return err return err
} }
@ -835,12 +701,14 @@ func (n *network) Connect() error {
// listen on ControlChannel // listen on ControlChannel
ctrlListener, err := n.Tunnel.Listen(ControlChannel) ctrlListener, err := n.Tunnel.Listen(ControlChannel)
if err != nil { if err != nil {
n.Unlock()
return err return err
} }
// dial into NetworkChannel to send network messages // dial into NetworkChannel to send network messages
netClient, err := n.Tunnel.Dial(NetworkChannel, tunnel.DialMulticast()) netClient, err := n.Tunnel.Dial(NetworkChannel, tunnel.DialMulticast())
if err != nil { if err != nil {
n.Unlock()
return err return err
} }
@ -849,6 +717,7 @@ func (n *network) Connect() error {
// listen on NetworkChannel // listen on NetworkChannel
netListener, err := n.Tunnel.Listen(NetworkChannel) netListener, err := n.Tunnel.Listen(NetworkChannel)
if err != nil { if err != nil {
n.Unlock()
return err return err
} }
@ -857,17 +726,20 @@ func (n *network) Connect() error {
// start the router // start the router
if err := n.options.Router.Start(); err != nil { if err := n.options.Router.Start(); err != nil {
n.Unlock()
return err return err
} }
// start advertising routes // start advertising routes
advertChan, err := n.options.Router.Advertise() advertChan, err := n.options.Router.Advertise()
if err != nil { if err != nil {
n.Unlock()
return err return err
} }
// start the server // start the server
if err := n.server.Start(); err != nil { if err := n.server.Start(); err != nil {
n.Unlock()
return err return err
} }
n.Unlock() n.Unlock()
@ -876,13 +748,19 @@ func (n *network) Connect() error {
// NOTE: in theory we could do this as soon as // NOTE: in theory we could do this as soon as
// Dial to NetworkChannel succeeds, but instead // Dial to NetworkChannel succeeds, but instead
// we initialize all other node resources first // we initialize all other node resources first
if err := n.sendMsg("connect", NetworkChannel); err != nil { msg := &pbNet.Connect{
Node: &pbNet.Node{
Id: n.options.Id,
Address: n.options.Address,
},
}
if err := n.sendMsg("connect", msg, NetworkChannel); err != nil {
log.Debugf("Network failed to send connect message: %s", err) log.Debugf("Network failed to send connect message: %s", err)
} }
// go resolving network nodes // go resolving network nodes
go n.resolve() go n.resolve()
// broadcast neighbourhood // broadcast peers
go n.announce(netClient) go n.announce(netClient)
// prune stale nodes // prune stale nodes
go n.prune() go n.prune()
@ -900,48 +778,6 @@ func (n *network) Connect() error {
return nil return nil
} }
// Nodes returns a list of all network nodes
func (n *network) Nodes() []Node {
//track the visited nodes
visited := make(map[string]*node)
// queue of the nodes to visit
queue := list.New()
// we need to freeze the network graph here
// otherwise we might get invalid results
n.RLock()
defer n.RUnlock()
// push network node to the back of queue
queue.PushBack(n.node)
// mark the node as visited
visited[n.node.id] = n.node
// keep iterating over the queue until its empty
for queue.Len() > 0 {
// pop the node from the front of the queue
qnode := queue.Front()
// iterate through all of its neighbours
// mark the visited nodes; enqueue the non-visted
for id, node := range qnode.Value.(*node).neighbours {
if _, ok := visited[id]; !ok {
visited[id] = node
queue.PushBack(node)
}
}
// remove the node from the queue
queue.Remove(qnode)
}
var nodes []Node
// collect all the nodes and return them
for _, node := range visited {
nodes = append(nodes, node)
}
return nodes
}
func (n *network) close() error { func (n *network) close() error {
// stop the server // stop the server
if err := n.server.Stop(); err != nil { if err := n.server.Stop(); err != nil {
@ -963,7 +799,6 @@ func (n *network) close() error {
// Close closes network connection // Close closes network connection
func (n *network) Close() error { func (n *network) Close() error {
// lock this operation
n.Lock() n.Lock()
if !n.connected { if !n.connected {
@ -984,9 +819,13 @@ func (n *network) Close() error {
// unlock the lock otherwise we'll deadlock sending the close // unlock the lock otherwise we'll deadlock sending the close
n.Unlock() n.Unlock()
// send close message only if we managed to connect to NetworkChannel msg := &pbNet.Close{
log.Debugf("Sending close message from: %s", n.options.Id) Node: &pbNet.Node{
if err := n.sendMsg("close", NetworkChannel); err != nil { Id: n.options.Id,
Address: n.options.Address,
},
}
if err := n.sendMsg("close", msg, NetworkChannel); err != nil {
log.Debugf("Network failed to send close message: %s", err) log.Debugf("Network failed to send close message: %s", err)
} }
} }

84
network/handler/handler.go
View File

@ -3,7 +3,6 @@ package handler
import ( import (
"context" "context"
"sort"
"github.com/micro/go-micro/errors" "github.com/micro/go-micro/errors"
"github.com/micro/go-micro/network" "github.com/micro/go-micro/network"
@ -16,6 +15,21 @@ type Network struct {
Network network.Network Network network.Network
} }
// ListPeers returns a list of all the nodes the node has a direct link with
func (n *Network) ListPeers(ctx context.Context, req *pbNet.PeerRequest, resp *pbNet.PeerResponse) error {
depth := uint(req.Depth)
if depth <= 0 || depth > network.MaxDepth {
depth = network.MaxDepth
}
// get peers encoded into protobuf
peers := network.PeersToProto(n.Network, depth)
resp.Peers = peers
return nil
}
// ListRoutes returns a list of routing table routes // ListRoutes returns a list of routing table routes
func (n *Network) ListRoutes(ctx context.Context, req *pbRtr.Request, resp *pbRtr.ListResponse) error { func (n *Network) ListRoutes(ctx context.Context, req *pbRtr.Request, resp *pbRtr.ListResponse) error {
routes, err := n.Network.Options().Router.Table().List() routes, err := n.Network.Options().Router.Table().List()
@ -41,71 +55,3 @@ func (n *Network) ListRoutes(ctx context.Context, req *pbRtr.Request, resp *pbRt
return nil return nil
} }
// ListNodes returns a list of all accessible nodes in the network
func (n *Network) ListNodes(ctx context.Context, req *pbNet.ListRequest, resp *pbNet.ListResponse) error {
nodes := n.Network.Nodes()
var respNodes []*pbNet.Node
for _, node := range nodes {
respNode := &pbNet.Node{
Id: node.Id(),
Address: node.Address(),
}
respNodes = append(respNodes, respNode)
}
resp.Nodes = respNodes
return nil
}
// Neighbourhood returns a list of immediate neighbours
func (n *Network) Neighbourhood(ctx context.Context, req *pbNet.NeighbourhoodRequest, resp *pbNet.NeighbourhoodResponse) error {
// extract the id of the node to query
id := req.Id
// if no id is passed, we assume local node
if id == "" {
id = n.Network.Id()
}
// get all the nodes in the network
nodes := n.Network.Nodes()
// sort the slice of nodes
sort.Slice(nodes, func(i, j int) bool { return nodes[i].Id() <= nodes[j].Id() })
// find a node with a given id
i := sort.Search(len(nodes), func(j int) bool { return nodes[j].Id() >= id })
var neighbours []*pbNet.Node
// collect all the nodes in the neighbourhood of the found node
if i < len(nodes) && nodes[i].Id() == id {
for _, neighbour := range nodes[i].Neighbourhood() {
// don't return yourself in response
if neighbour.Id() == n.Network.Id() {
continue
}
pbNeighbour := &pbNet.Node{
Id: neighbour.Id(),
Address: neighbour.Address(),
}
neighbours = append(neighbours, pbNeighbour)
}
}
// requested neighbourhood node
node := &pbNet.Node{
Id: nodes[i].Id(),
Address: nodes[i].Address(),
}
// creaate neighbourhood answer
neighbourhood := &pbNet.Neighbour{
Node: node,
Neighbours: neighbours,
}
resp.Neighbourhood = neighbourhood
return nil
}

6
network/network.go
View File

@ -28,8 +28,8 @@ type Node interface {
Id() string Id() string
// Address is node bind address // Address is node bind address
Address() string Address() string
// Neighbourhood is node neighbourhood // Peers returns node peers
Neighbourhood() []Node Peers() []Node
// Network is the network node is in // Network is the network node is in
Network() Network Network() Network
} }
@ -44,8 +44,6 @@ type Network interface {
Name() string Name() string
// Connect starts the resolver and tunnel server // Connect starts the resolver and tunnel server
Connect() error Connect() error
// Nodes returns list of network nodes
Nodes() []Node
// Close stops the tunnel and resolving // Close stops the tunnel and resolving
Close() error Close() error
// Client is micro client // Client is micro client

310
network/node.go Normal file
View File

@ -0,0 +1,310 @@
package network
import (
"container/list"
"sync"
"time"
pb "github.com/micro/go-micro/network/proto"
)
var (
// MaxDepth defines max depth of peer topology
MaxDepth uint = 3
)
// node is network node
type node struct {
sync.RWMutex
// id is node id
id string
// address is node address
address string
// peers are nodes with direct link to this node
peers map[string]*node
// network returns the node network
network Network
// lastSeen keeps track of node lifetime and updates
lastSeen time.Time
}
// Id is node ide
func (n *node) Id() string {
return n.id
}
// Address returns node address
func (n *node) Address() string {
return n.address
}
// Network returns node network
func (n *node) Network() Network {
return n.network
}
// AddPeer adds a new peer to node topology
// It returns false if the peer already exists
func (n *node) AddPeer(peer *node) bool {
n.Lock()
defer n.Unlock()
if _, ok := n.peers[peer.id]; !ok {
n.peers[peer.id] = peer
return true
}
return false
}
// UpdatePeer updates a peer if it exists
// It returns false if the peer does not exist
func (n *node) UpdatePeer(peer *node) bool {
n.Lock()
defer n.Unlock()
if _, ok := n.peers[peer.id]; ok {
n.peers[peer.id] = peer
return true
}
return false
}
// DeletePeer deletes a peer if it exists
func (n *node) DeletePeer(id string) {
n.Lock()
defer n.Unlock()
delete(n.peers, id)
}
// HasPeer returns true if node has peer with given id
func (n *node) HasPeer(id string) bool {
n.RLock()
defer n.RUnlock()
_, ok := n.peers[id]
return ok
}
// RefreshPeer updates node timestamp
// It returns false if the peer has not been found.
func (n *node) RefreshPeer(id string, now time.Time) bool {
n.Lock()
defer n.Unlock()
peer, ok := n.peers[id]
if !ok {
return false
}
if peer.lastSeen.Before(now) {
peer.lastSeen = now
}
return true
}
func (n *node) walk(until func(peer *node) bool) map[string]*node {
// track the visited nodes
visited := make(map[string]*node)
// queue of the nodes to visit
queue := list.New()
// push node to the back of queue
queue.PushBack(n)
// mark the node as visited
visited[n.id] = n
// keep iterating over the queue until its empty
for queue.Len() > 0 {
// pop the node from the front of the queue
qnode := queue.Front()
// iterate through all of the node peers
// mark the visited nodes; enqueue the non-visted
for id, node := range qnode.Value.(*node).peers {
if _, ok := visited[id]; !ok {
visited[id] = node
queue.PushBack(node)
}
if until(node) {
return visited
}
}
// remove the node from the queue
queue.Remove(qnode)
}
return visited
}
// Nodes returns a slice if all nodes in node topology
func (n *node) Nodes() []Node {
// we need to freeze the network graph here
// otherwise we might get inconsisten results
n.RLock()
defer n.RUnlock()
// NOTE: this should never be true
untilNoMorePeers := func(n *node) bool {
return n == nil
}
visited := n.walk(untilNoMorePeers)
var nodes []Node
// collect all the nodes and return them
for _, node := range visited {
nodes = append(nodes, node)
}
return nodes
}
// GetPeerNode returns a peer from node topology i.e. up to MaxDepth
// It returns nil if the peer was not found in the node topology
func (n *node) GetPeerNode(id string) *node {
n.RLock()
defer n.RUnlock()
// get node topology up to MaxDepth
top := n.Topology(MaxDepth)
untilFoundPeer := func(n *node) bool {
return n.id == id
}
visited := top.walk(untilFoundPeer)
peerNode, ok := visited[id]
if !ok {
return nil
}
return peerNode
}
// Topology returns a copy of th node topology down to given depth
func (n *node) Topology(depth uint) *node {
n.RLock()
defer n.RUnlock()
// make a copy of yourself
node := &node{
id: n.id,
address: n.address,
peers: make(map[string]*node),
network: n.network,
lastSeen: n.lastSeen,
}
// return if we reach requested depth or we have no more peers
if depth == 0 || len(n.peers) == 0 {
return node
}
// decrement the depth
depth--
// iterate through our peers and update the node peers
for _, peer := range n.peers {
nodePeer := peer.Topology(depth)
if _, ok := node.peers[nodePeer.id]; !ok {
node.peers[nodePeer.id] = nodePeer
}
}
return node
}
// Peers returns node peers up to MaxDepth
func (n *node) Peers() []Node {
n.RLock()
defer n.RUnlock()
var peers []Node
for _, nodePeer := range n.peers {
peer := nodePeer.Topology(MaxDepth)
peers = append(peers, peer)
}
return peers
}
// UnpackPeerTopology unpacks pb.Peer into node topology of given depth
func UnpackPeerTopology(pbPeer *pb.Peer, lastSeen time.Time, depth uint) *node {
peerNode := &node{
id: pbPeer.Node.Id,
address: pbPeer.Node.Address,
peers: make(map[string]*node),
lastSeen: lastSeen,
}
// return if have either reached the depth or have no more peers
if depth == 0 || len(pbPeer.Peers) == 0 {
return peerNode
}
// decrement the depth
depth--
peers := make(map[string]*node)
for _, pbPeer := range pbPeer.Peers {
peer := UnpackPeerTopology(pbPeer, lastSeen, depth)
peers[pbPeer.Node.Id] = peer
}
peerNode.peers = peers
return peerNode
}
func peerProtoTopology(peer Node, depth uint) *pb.Peer {
node := &pb.Node{
Id: peer.Id(),
Address: peer.Address(),
}
pbPeers := &pb.Peer{
Node: node,
Peers: make([]*pb.Peer, 0),
}
// return if we reached the end of topology or depth
if depth == 0 || len(peer.Peers()) == 0 {
return pbPeers
}
// decrement the depth
depth--
// iterate through peers of peers aka pops
for _, pop := range peer.Peers() {
peer := peerProtoTopology(pop, depth)
pbPeers.Peers = append(pbPeers.Peers, peer)
}
return pbPeers
}
// PeersToProto returns node peers graph encoded into protobuf
func PeersToProto(node Node, depth uint) *pb.Peer {
// network node aka root node
pbNode := &pb.Node{
Id: node.Id(),
Address: node.Address(),
}
// we will build proto topology into this
pbPeers := &pb.Peer{
Node: pbNode,
Peers: make([]*pb.Peer, 0),
}
for _, peer := range node.Peers() {
pbPeer := peerProtoTopology(peer, depth)
pbPeers.Peers = append(pbPeers.Peers, pbPeer)
}
return pbPeers
}

279
network/node_test.go Normal file
View File

@ -0,0 +1,279 @@
package network
import (
"testing"
"time"
pb "github.com/micro/go-micro/network/proto"
)
var (
testNodeId = "testNode"
testNodeAddress = "testAddress"
testNodeNetName = "testNetwork"
testNodePeerIds = []string{"peer1", "peer2", "peer3"}
testPeerOfPeerIds = []string{"peer11", "peer12"}
)
func testSetup() *node {
testNode := &node{
id: testNodeId,
address: testNodeAddress,
peers: make(map[string]*node),
network: newNetwork(Name(testNodeNetName)),
}
// add some peers to the node
for _, id := range testNodePeerIds {
testNode.peers[id] = &node{
id: id,
address: testNode.address + "-" + id,
peers: make(map[string]*node),
network: testNode.network,
}
}
// add peers to peer1
// NOTE: these are peers of peers!
for _, id := range testPeerOfPeerIds {
testNode.peers["peer1"].peers[id] = &node{
id: id,
address: testNode.address + "-" + id,
peers: make(map[string]*node),
network: testNode.network,
}
}
// connect peer1 with peer2
testNode.peers["peer1"].peers["peer2"] = testNode.peers["peer2"]
// connect peer2 with peer3
testNode.peers["peer2"].peers["peer3"] = testNode.peers["peer3"]
return testNode
}
func TestNodeId(t *testing.T) {
node := testSetup()
if node.Id() != testNodeId {
t.Errorf("Expected id: %s, found: %s", testNodeId, node.Id())
}
}
func TestNodeAddress(t *testing.T) {
node := testSetup()
if node.Address() != testNodeAddress {
t.Errorf("Expected address: %s, found: %s", testNodeAddress, node.Address())
}
}
func TestNodeNetwork(t *testing.T) {
node := testSetup()
if node.Network().Name() != testNodeNetName {
t.Errorf("Expected network: %s, found: %s", testNodeNetName, node.Network().Name())
}
}
func TestNodes(t *testing.T) {
// single node
single := &node{
id: testNodeId,
address: testNodeAddress,
peers: make(map[string]*node),
network: newNetwork(Name(testNodeNetName)),
}
// get all the nodes including yourself
nodes := single.Nodes()
nodeCount := 1
if len(nodes) != nodeCount {
t.Errorf("Expected to find %d nodes, found: %d", nodeCount, len(nodes))
}
// complicated node graph
node := testSetup()
// get all the nodes including yourself
nodes = node.Nodes()
// compile a list of ids of all nodes in the network into map for easy indexing
nodeIds := make(map[string]bool)
// add yourself
nodeIds[node.id] = true
// add peer Ids
for _, id := range testNodePeerIds {
nodeIds[id] = true
}
// add peer1 peers i.e. peers of peer
for _, id := range testPeerOfPeerIds {
nodeIds[id] = true
}
// we should return the correct number of nodes
if len(nodes) != len(nodeIds) {
t.Errorf("Expected %d nodes, found: %d", len(nodeIds), len(nodes))
}
// iterate through the list of nodes and makes sure all have been returned
for _, node := range nodes {
if _, ok := nodeIds[node.Id()]; !ok {
t.Errorf("Expected to find %s node", node.Id())
}
}
// this is a leaf node
id := "peer11"
if nodePeer := node.GetPeerNode(id); nodePeer == nil {
t.Errorf("Expected to find %s node", id)
}
}
func collectPeerIds(peer Node, ids map[string]bool) map[string]bool {
if len(peer.Peers()) == 0 {
return ids
}
// iterate through the whole graph
for _, peer := range peer.Peers() {
ids = collectPeerIds(peer, ids)
if _, ok := ids[peer.Id()]; !ok {
ids[peer.Id()] = true
}
}
return ids
}
func TestPeers(t *testing.T) {
// single node
single := &node{
id: testNodeId,
address: testNodeAddress,
peers: make(map[string]*node),
network: newNetwork(Name(testNodeNetName)),
}
// get node peers
peers := single.Peers()
// there should be no peers
peerCount := 0
if len(peers) != peerCount {
t.Errorf("Expected to find %d nodes, found: %d", peerCount, len(peers))
}
// complicated node graph
node := testSetup()
// list of ids of nodes of MaxDepth
peerIds := make(map[string]bool)
// add peer Ids
for _, id := range testNodePeerIds {
peerIds[id] = true
}
// add peers of peers to peerIds
for _, id := range testPeerOfPeerIds {
peerIds[id] = true
}
// get node peers
peers = node.Peers()
// we will collect all returned Peer Ids into this map
resPeerIds := make(map[string]bool)
for _, peer := range peers {
resPeerIds[peer.Id()] = true
resPeerIds = collectPeerIds(peer, resPeerIds)
}
// if correct, we must collect all peerIds
if len(resPeerIds) != len(peerIds) {
t.Errorf("Expected to find %d peers, found: %d", len(peerIds), len(resPeerIds))
}
for id := range resPeerIds {
if _, ok := peerIds[id]; !ok {
t.Errorf("Expected to find %s peer", id)
}
}
}
func TestUnpackPeerTopology(t *testing.T) {
pbPeer := &pb.Peer{
Node: &pb.Node{
Id: "newPeer",
Address: "newPeerAddress",
},
Peers: make([]*pb.Peer, 0),
}
// it should add pbPeer to the single node peers
peer := UnpackPeerTopology(pbPeer, time.Now(), 5)
if peer.id != pbPeer.Node.Id {
t.Errorf("Expected peer id %s, found: %s", pbPeer.Node.Id, peer.id)
}
node := testSetup()
// build a simple topology to update node peer1
peer1 := node.peers["peer1"]
pbPeer1Node := &pb.Node{
Id: peer1.id,
Address: peer1.address,
}
pbPeer111 := &pb.Peer{
Node: &pb.Node{
Id: "peer111",
Address: "peer111Address",
},
Peers: make([]*pb.Peer, 0),
}
pbPeer121 := &pb.Peer{
Node: &pb.Node{
Id: "peer121",
Address: "peer121Address",
},
Peers: make([]*pb.Peer, 0),
}
// topology to update
pbPeer1 := &pb.Peer{
Node: pbPeer1Node,
Peers: []*pb.Peer{pbPeer111, pbPeer121},
}
// unpack peer1 topology
peer = UnpackPeerTopology(pbPeer1, time.Now(), 5)
// make sure peer1 topology has been correctly updated
newPeerIds := []string{pbPeer111.Node.Id, pbPeer121.Node.Id}
for _, id := range newPeerIds {
if _, ok := peer.peers[id]; !ok {
t.Errorf("Expected %s to be a peer of %s", id, "peer1")
}
}
}
func TestPeersToProto(t *testing.T) {
// single node
single := &node{
id: testNodeId,
address: testNodeAddress,
peers: make(map[string]*node),
network: newNetwork(Name(testNodeNetName)),
}
topCount := 0
protoPeers := PeersToProto(single, 0)
if len(protoPeers.Peers) != topCount {
t.Errorf("Expected to find %d nodes, found: %d", topCount, len(protoPeers.Peers))
}
// complicated node graph
node := testSetup()
topCount = 3
// list of ids of nodes of depth 1 i.e. node peers
peerIds := make(map[string]bool)
// add peer Ids
for _, id := range testNodePeerIds {
peerIds[id] = true
}
// depth 1 should give us immmediate neighbours only
protoPeers = PeersToProto(node, 1)
if len(protoPeers.Peers) != topCount {
t.Errorf("Expected to find %d nodes, found: %d", topCount, len(protoPeers.Peers))
}
}

51
network/proto/network.micro.go
View File

@ -35,9 +35,8 @@ var _ server.Option
// Client API for Network service // Client API for Network service
type NetworkService interface { type NetworkService interface {
ListPeers(ctx context.Context, in *PeerRequest, opts ...client.CallOption) (*PeerResponse, error)
ListRoutes(ctx context.Context, in *proto1.Request, opts ...client.CallOption) (*proto1.ListResponse, error) ListRoutes(ctx context.Context, in *proto1.Request, opts ...client.CallOption) (*proto1.ListResponse, error)
ListNodes(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error)
Neighbourhood(ctx context.Context, in *NeighbourhoodRequest, opts ...client.CallOption) (*NeighbourhoodResponse, error)
} }
type networkService struct { type networkService struct {
@ -58,6 +57,16 @@ func NewNetworkService(name string, c client.Client) NetworkService {
} }
} }
func (c *networkService) ListPeers(ctx context.Context, in *PeerRequest, opts ...client.CallOption) (*PeerResponse, error) {
req := c.c.NewRequest(c.name, "Network.ListPeers", in)
out := new(PeerResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *networkService) ListRoutes(ctx context.Context, in *proto1.Request, opts ...client.CallOption) (*proto1.ListResponse, error) { func (c *networkService) ListRoutes(ctx context.Context, in *proto1.Request, opts ...client.CallOption) (*proto1.ListResponse, error) {
req := c.c.NewRequest(c.name, "Network.ListRoutes", in) req := c.c.NewRequest(c.name, "Network.ListRoutes", in)
out := new(proto1.ListResponse) out := new(proto1.ListResponse)
@ -68,39 +77,17 @@ func (c *networkService) ListRoutes(ctx context.Context, in *proto1.Request, opt
return out, nil return out, nil
} }
func (c *networkService) ListNodes(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error) {
req := c.c.NewRequest(c.name, "Network.ListNodes", in)
out := new(ListResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *networkService) Neighbourhood(ctx context.Context, in *NeighbourhoodRequest, opts ...client.CallOption) (*NeighbourhoodResponse, error) {
req := c.c.NewRequest(c.name, "Network.Neighbourhood", in)
out := new(NeighbourhoodResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for Network service // Server API for Network service
type NetworkHandler interface { type NetworkHandler interface {
ListPeers(context.Context, *PeerRequest, *PeerResponse) error
ListRoutes(context.Context, *proto1.Request, *proto1.ListResponse) error ListRoutes(context.Context, *proto1.Request, *proto1.ListResponse) error
ListNodes(context.Context, *ListRequest, *ListResponse) error
Neighbourhood(context.Context, *NeighbourhoodRequest, *NeighbourhoodResponse) error
} }
func RegisterNetworkHandler(s server.Server, hdlr NetworkHandler, opts ...server.HandlerOption) error { func RegisterNetworkHandler(s server.Server, hdlr NetworkHandler, opts ...server.HandlerOption) error {
type network interface { type network interface {
ListPeers(ctx context.Context, in *PeerRequest, out *PeerResponse) error
ListRoutes(ctx context.Context, in *proto1.Request, out *proto1.ListResponse) error ListRoutes(ctx context.Context, in *proto1.Request, out *proto1.ListResponse) error
ListNodes(ctx context.Context, in *ListRequest, out *ListResponse) error
Neighbourhood(ctx context.Context, in *NeighbourhoodRequest, out *NeighbourhoodResponse) error
} }
type Network struct { type Network struct {
network network
@ -113,14 +100,10 @@ type networkHandler struct {
NetworkHandler NetworkHandler
} }
func (h *networkHandler) ListPeers(ctx context.Context, in *PeerRequest, out *PeerResponse) error {
return h.NetworkHandler.ListPeers(ctx, in, out)
}
func (h *networkHandler) ListRoutes(ctx context.Context, in *proto1.Request, out *proto1.ListResponse) error { func (h *networkHandler) ListRoutes(ctx context.Context, in *proto1.Request, out *proto1.ListResponse) error {
return h.NetworkHandler.ListRoutes(ctx, in, out) return h.NetworkHandler.ListRoutes(ctx, in, out)
} }
func (h *networkHandler) ListNodes(ctx context.Context, in *ListRequest, out *ListResponse) error {
return h.NetworkHandler.ListNodes(ctx, in, out)
}
func (h *networkHandler) Neighbourhood(ctx context.Context, in *NeighbourhoodRequest, out *NeighbourhoodResponse) error {
return h.NetworkHandler.Neighbourhood(ctx, in, out)
}

312
network/proto/network.pb.go
View File

@ -21,161 +21,91 @@ var _ = math.Inf
// proto package needs to be updated. // proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
// Empty request // PeerRequest requests list of peers
type ListRequest struct { type PeerRequest struct {
// node topology depth
Depth uint32 `protobuf:"varint,1,opt,name=depth,proto3" json:"depth,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"` XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"` XXX_sizecache int32 `json:"-"`
} }
func (m *ListRequest) Reset() { *m = ListRequest{} } func (m *PeerRequest) Reset() { *m = PeerRequest{} }
func (m *ListRequest) String() string { return proto.CompactTextString(m) } func (m *PeerRequest) String() string { return proto.CompactTextString(m) }
func (*ListRequest) ProtoMessage() {} func (*PeerRequest) ProtoMessage() {}
func (*ListRequest) Descriptor() ([]byte, []int) { func (*PeerRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{0} return fileDescriptor_8571034d60397816, []int{0}
} }
func (m *ListRequest) XXX_Unmarshal(b []byte) error { func (m *PeerRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListRequest.Unmarshal(m, b) return xxx_messageInfo_PeerRequest.Unmarshal(m, b)
} }
func (m *ListRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { func (m *PeerRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ListRequest.Marshal(b, m, deterministic) return xxx_messageInfo_PeerRequest.Marshal(b, m, deterministic)
} }
func (m *ListRequest) XXX_Merge(src proto.Message) { func (m *PeerRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_ListRequest.Merge(m, src) xxx_messageInfo_PeerRequest.Merge(m, src)
} }
func (m *ListRequest) XXX_Size() int { func (m *PeerRequest) XXX_Size() int {
return xxx_messageInfo_ListRequest.Size(m) return xxx_messageInfo_PeerRequest.Size(m)
} }
func (m *ListRequest) XXX_DiscardUnknown() { func (m *PeerRequest) XXX_DiscardUnknown() {
xxx_messageInfo_ListRequest.DiscardUnknown(m) xxx_messageInfo_PeerRequest.DiscardUnknown(m)
} }
var xxx_messageInfo_ListRequest proto.InternalMessageInfo var xxx_messageInfo_PeerRequest proto.InternalMessageInfo
// ListResponse is returned by ListNodes and ListNeighbours func (m *PeerRequest) GetDepth() uint32 {
type ListResponse struct { if m != nil {
Nodes []*Node `protobuf:"bytes,1,rep,name=nodes,proto3" json:"nodes,omitempty"` return m.Depth
}
return 0
}
// PeerResponse is returned by ListPeers
type PeerResponse struct {
// return peer topology
Peers *Peer `protobuf:"bytes,1,opt,name=peers,proto3" json:"peers,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"` XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"` XXX_sizecache int32 `json:"-"`
} }
func (m *ListResponse) Reset() { *m = ListResponse{} } func (m *PeerResponse) Reset() { *m = PeerResponse{} }
func (m *ListResponse) String() string { return proto.CompactTextString(m) } func (m *PeerResponse) String() string { return proto.CompactTextString(m) }
func (*ListResponse) ProtoMessage() {} func (*PeerResponse) ProtoMessage() {}
func (*ListResponse) Descriptor() ([]byte, []int) { func (*PeerResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{1} return fileDescriptor_8571034d60397816, []int{1}
} }
func (m *ListResponse) XXX_Unmarshal(b []byte) error { func (m *PeerResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListResponse.Unmarshal(m, b) return xxx_messageInfo_PeerResponse.Unmarshal(m, b)
} }
func (m *ListResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { func (m *PeerResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ListResponse.Marshal(b, m, deterministic) return xxx_messageInfo_PeerResponse.Marshal(b, m, deterministic)
} }
func (m *ListResponse) XXX_Merge(src proto.Message) { func (m *PeerResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_ListResponse.Merge(m, src) xxx_messageInfo_PeerResponse.Merge(m, src)
} }
func (m *ListResponse) XXX_Size() int { func (m *PeerResponse) XXX_Size() int {
return xxx_messageInfo_ListResponse.Size(m) return xxx_messageInfo_PeerResponse.Size(m)
} }
func (m *ListResponse) XXX_DiscardUnknown() { func (m *PeerResponse) XXX_DiscardUnknown() {
xxx_messageInfo_ListResponse.DiscardUnknown(m) xxx_messageInfo_PeerResponse.DiscardUnknown(m)
} }
var xxx_messageInfo_ListResponse proto.InternalMessageInfo var xxx_messageInfo_PeerResponse proto.InternalMessageInfo
func (m *ListResponse) GetNodes() []*Node { func (m *PeerResponse) GetPeers() *Peer {
if m != nil { if m != nil {
return m.Nodes return m.Peers
}
return nil
}
// NeighbourhoodRequest is sent to query node neighbourhood
type NeighbourhoodRequest struct {
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *NeighbourhoodRequest) Reset() { *m = NeighbourhoodRequest{} }
func (m *NeighbourhoodRequest) String() string { return proto.CompactTextString(m) }
func (*NeighbourhoodRequest) ProtoMessage() {}
func (*NeighbourhoodRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{2}
}
func (m *NeighbourhoodRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_NeighbourhoodRequest.Unmarshal(m, b)
}
func (m *NeighbourhoodRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_NeighbourhoodRequest.Marshal(b, m, deterministic)
}
func (m *NeighbourhoodRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_NeighbourhoodRequest.Merge(m, src)
}
func (m *NeighbourhoodRequest) XXX_Size() int {
return xxx_messageInfo_NeighbourhoodRequest.Size(m)
}
func (m *NeighbourhoodRequest) XXX_DiscardUnknown() {
xxx_messageInfo_NeighbourhoodRequest.DiscardUnknown(m)
}
var xxx_messageInfo_NeighbourhoodRequest proto.InternalMessageInfo
func (m *NeighbourhoodRequest) GetId() string {
if m != nil {
return m.Id
}
return ""
}
// NeighbourhoodResponse contains node neighbourhood hierarchy
type NeighbourhoodResponse struct {
Neighbourhood *Neighbour `protobuf:"bytes,1,opt,name=neighbourhood,proto3" json:"neighbourhood,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *NeighbourhoodResponse) Reset() { *m = NeighbourhoodResponse{} }
func (m *NeighbourhoodResponse) String() string { return proto.CompactTextString(m) }
func (*NeighbourhoodResponse) ProtoMessage() {}
func (*NeighbourhoodResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{3}
}
func (m *NeighbourhoodResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_NeighbourhoodResponse.Unmarshal(m, b)
}
func (m *NeighbourhoodResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_NeighbourhoodResponse.Marshal(b, m, deterministic)
}
func (m *NeighbourhoodResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_NeighbourhoodResponse.Merge(m, src)
}
func (m *NeighbourhoodResponse) XXX_Size() int {
return xxx_messageInfo_NeighbourhoodResponse.Size(m)
}
func (m *NeighbourhoodResponse) XXX_DiscardUnknown() {
xxx_messageInfo_NeighbourhoodResponse.DiscardUnknown(m)
}
var xxx_messageInfo_NeighbourhoodResponse proto.InternalMessageInfo
func (m *NeighbourhoodResponse) GetNeighbourhood() *Neighbour {
if m != nil {
return m.Neighbourhood
} }
return nil return nil
} }
// Node is network node // Node is network node
type Node struct { type Node struct {
// node ide // node id
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"` Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
// node address // node address
Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"` Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
@ -188,7 +118,7 @@ func (m *Node) Reset() { *m = Node{} }
func (m *Node) String() string { return proto.CompactTextString(m) } func (m *Node) String() string { return proto.CompactTextString(m) }
func (*Node) ProtoMessage() {} func (*Node) ProtoMessage() {}
func (*Node) Descriptor() ([]byte, []int) { func (*Node) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{4} return fileDescriptor_8571034d60397816, []int{2}
} }
func (m *Node) XXX_Unmarshal(b []byte) error { func (m *Node) XXX_Unmarshal(b []byte) error {
@ -236,7 +166,7 @@ func (m *Connect) Reset() { *m = Connect{} }
func (m *Connect) String() string { return proto.CompactTextString(m) } func (m *Connect) String() string { return proto.CompactTextString(m) }
func (*Connect) ProtoMessage() {} func (*Connect) ProtoMessage() {}
func (*Connect) Descriptor() ([]byte, []int) { func (*Connect) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{5} return fileDescriptor_8571034d60397816, []int{3}
} }
func (m *Connect) XXX_Unmarshal(b []byte) error { func (m *Connect) XXX_Unmarshal(b []byte) error {
@ -277,7 +207,7 @@ func (m *Close) Reset() { *m = Close{} }
func (m *Close) String() string { return proto.CompactTextString(m) } func (m *Close) String() string { return proto.CompactTextString(m) }
func (*Close) ProtoMessage() {} func (*Close) ProtoMessage() {}
func (*Close) Descriptor() ([]byte, []int) { func (*Close) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{6} return fileDescriptor_8571034d60397816, []int{4}
} }
func (m *Close) XXX_Unmarshal(b []byte) error { func (m *Close) XXX_Unmarshal(b []byte) error {
@ -305,134 +235,86 @@ func (m *Close) GetNode() *Node {
return nil return nil
} }
// Solicit is sent when requesting route advertisement from the network nodes // Peer is used to advertise node peers
type Solicit struct { type Peer struct {
// network node
Node *Node `protobuf:"bytes,1,opt,name=node,proto3" json:"node,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Solicit) Reset() { *m = Solicit{} }
func (m *Solicit) String() string { return proto.CompactTextString(m) }
func (*Solicit) ProtoMessage() {}
func (*Solicit) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{7}
}
func (m *Solicit) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Solicit.Unmarshal(m, b)
}
func (m *Solicit) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Solicit.Marshal(b, m, deterministic)
}
func (m *Solicit) XXX_Merge(src proto.Message) {
xxx_messageInfo_Solicit.Merge(m, src)
}
func (m *Solicit) XXX_Size() int {
return xxx_messageInfo_Solicit.Size(m)
}
func (m *Solicit) XXX_DiscardUnknown() {
xxx_messageInfo_Solicit.DiscardUnknown(m)
}
var xxx_messageInfo_Solicit proto.InternalMessageInfo
func (m *Solicit) GetNode() *Node {
if m != nil {
return m.Node
}
return nil
}
// Neighbour is used to nnounce node neighbourhood
type Neighbour struct {
// network node // network node
Node *Node `protobuf:"bytes,1,opt,name=node,proto3" json:"node,omitempty"` Node *Node `protobuf:"bytes,1,opt,name=node,proto3" json:"node,omitempty"`
// neighbours // node peers
Neighbours []*Node `protobuf:"bytes,3,rep,name=neighbours,proto3" json:"neighbours,omitempty"` Peers []*Peer `protobuf:"bytes,2,rep,name=peers,proto3" json:"peers,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"` XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"` XXX_sizecache int32 `json:"-"`
} }
func (m *Neighbour) Reset() { *m = Neighbour{} } func (m *Peer) Reset() { *m = Peer{} }
func (m *Neighbour) String() string { return proto.CompactTextString(m) } func (m *Peer) String() string { return proto.CompactTextString(m) }
func (*Neighbour) ProtoMessage() {} func (*Peer) ProtoMessage() {}
func (*Neighbour) Descriptor() ([]byte, []int) { func (*Peer) Descriptor() ([]byte, []int) {
return fileDescriptor_8571034d60397816, []int{8} return fileDescriptor_8571034d60397816, []int{5}
} }
func (m *Neighbour) XXX_Unmarshal(b []byte) error { func (m *Peer) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Neighbour.Unmarshal(m, b) return xxx_messageInfo_Peer.Unmarshal(m, b)
} }
func (m *Neighbour) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { func (m *Peer) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Neighbour.Marshal(b, m, deterministic) return xxx_messageInfo_Peer.Marshal(b, m, deterministic)
} }
func (m *Neighbour) XXX_Merge(src proto.Message) { func (m *Peer) XXX_Merge(src proto.Message) {
xxx_messageInfo_Neighbour.Merge(m, src) xxx_messageInfo_Peer.Merge(m, src)
} }
func (m *Neighbour) XXX_Size() int { func (m *Peer) XXX_Size() int {
return xxx_messageInfo_Neighbour.Size(m) return xxx_messageInfo_Peer.Size(m)
} }
func (m *Neighbour) XXX_DiscardUnknown() { func (m *Peer) XXX_DiscardUnknown() {
xxx_messageInfo_Neighbour.DiscardUnknown(m) xxx_messageInfo_Peer.DiscardUnknown(m)
} }
var xxx_messageInfo_Neighbour proto.InternalMessageInfo var xxx_messageInfo_Peer proto.InternalMessageInfo
func (m *Neighbour) GetNode() *Node { func (m *Peer) GetNode() *Node {
if m != nil { if m != nil {
return m.Node return m.Node
} }
return nil return nil
} }
func (m *Neighbour) GetNeighbours() []*Node { func (m *Peer) GetPeers() []*Peer {
if m != nil { if m != nil {
return m.Neighbours return m.Peers
} }
return nil return nil
} }
func init() { func init() {
proto.RegisterType((*ListRequest)(nil), "go.micro.network.ListRequest") proto.RegisterType((*PeerRequest)(nil), "go.micro.network.PeerRequest")
proto.RegisterType((*ListResponse)(nil), "go.micro.network.ListResponse") proto.RegisterType((*PeerResponse)(nil), "go.micro.network.PeerResponse")
proto.RegisterType((*NeighbourhoodRequest)(nil), "go.micro.network.NeighbourhoodRequest")
proto.RegisterType((*NeighbourhoodResponse)(nil), "go.micro.network.NeighbourhoodResponse")
proto.RegisterType((*Node)(nil), "go.micro.network.Node") proto.RegisterType((*Node)(nil), "go.micro.network.Node")
proto.RegisterType((*Connect)(nil), "go.micro.network.Connect") proto.RegisterType((*Connect)(nil), "go.micro.network.Connect")
proto.RegisterType((*Close)(nil), "go.micro.network.Close") proto.RegisterType((*Close)(nil), "go.micro.network.Close")
proto.RegisterType((*Solicit)(nil), "go.micro.network.Solicit") proto.RegisterType((*Peer)(nil), "go.micro.network.Peer")
proto.RegisterType((*Neighbour)(nil), "go.micro.network.Neighbour")
} }
func init() { proto.RegisterFile("network.proto", fileDescriptor_8571034d60397816) } func init() { proto.RegisterFile("network.proto", fileDescriptor_8571034d60397816) }
var fileDescriptor_8571034d60397816 = []byte{ var fileDescriptor_8571034d60397816 = []byte{
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0x59, 0xcf, 0xab, 0xb5, 0x7c, 0x03, 0x00, 0x00,
} }

41
network/proto/network.proto
View File

@ -6,32 +6,25 @@ import "github.com/micro/go-micro/router/proto/router.proto";
// Network service is usesd to gain visibility into networks // Network service is usesd to gain visibility into networks
service Network { service Network {
rpc ListPeers(PeerRequest) returns (PeerResponse) {};
rpc ListRoutes(go.micro.router.Request) returns (go.micro.router.ListResponse) {}; rpc ListRoutes(go.micro.router.Request) returns (go.micro.router.ListResponse) {};
rpc ListNodes(ListRequest) returns (ListResponse) {};
rpc Neighbourhood(NeighbourhoodRequest) returns (NeighbourhoodResponse) {};
} }
// Empty request // PeerRequest requests list of peers
message ListRequest {} message PeerRequest {
// node topology depth
// ListResponse is returned by ListNodes and ListNeighbours uint32 depth = 1;
message ListResponse {
repeated Node nodes = 1;
} }
// NeighbourhoodRequest is sent to query node neighbourhood // PeerResponse is returned by ListPeers
message NeighbourhoodRequest { message PeerResponse {
string id = 1; // return peer topology
} Peer peers = 1;
// NeighbourhoodResponse contains node neighbourhood hierarchy
message NeighbourhoodResponse {
Neighbour neighbourhood = 1;
} }
// Node is network node // Node is network node
message Node { message Node {
// node ide // node id
string id = 1; string id = 1;
// node address // node address
string address = 2; string address = 2;
@ -49,16 +42,10 @@ message Close {
Node node = 1; Node node = 1;
} }
// Solicit is sent when requesting route advertisement from the network nodes // Peer is used to advertise node peers
message Solicit { message Peer {
// network node // network node
Node node = 1; Node node = 1;
} // node peers
repeated Peer peers = 2;
// Neighbour is used to nnounce node neighbourhood
message Neighbour {
// network node
Node node = 1;
// neighbours
repeated Node neighbours = 3;
} }

3
router/default.go
View File

@ -337,6 +337,7 @@ func (r *router) advertiseTable() error {
// advertise all routes as Update events to subscribers // advertise all routes as Update events to subscribers
if len(events) > 0 { if len(events) > 0 {
log.Debugf("Network router flushing table with %d events: %s", len(events), r.options.Id)
r.advertWg.Add(1) r.advertWg.Add(1)
go r.publishAdvert(RouteUpdate, events) go r.publishAdvert(RouteUpdate, events)
} }
@ -668,11 +669,13 @@ func (r *router) Process(a *Advert) error {
for _, event := range events { for _, event := range events {
// skip if the router is the origin of this route // skip if the router is the origin of this route
if event.Route.Router == r.options.Id { if event.Route.Router == r.options.Id {
log.Debugf("Network router skipping processing its own route: %s", r.options.Id)
continue continue
} }
// create a copy of the route // create a copy of the route
route := event.Route route := event.Route
action := event.Type action := event.Type
log.Debugf("Network router processing route action %s: %s", action, r.options.Id)
if err := r.manageRoute(route, fmt.Sprintf("%s", action)); err != nil { if err := r.manageRoute(route, fmt.Sprintf("%s", action)); err != nil {
return fmt.Errorf("failed applying action %s to routing table: %s", action, err) return fmt.Errorf("failed applying action %s to routing table: %s", action, err)
} }

12
router/handler/router.go
View File

@ -45,6 +45,16 @@ func (r *Router) Lookup(ctx context.Context, req *pb.LookupRequest, resp *pb.Loo
return nil return nil
} }
// Solicit triggers full routing table advertisement
func (r *Router) Solicit(ctx context.Context, req *pb.Request, resp *pb.Response) error {
if err := r.Router.Solicit(); err != nil {
return err
}
return nil
}
// Advertise streams router advertisements
func (r *Router) Advertise(ctx context.Context, req *pb.Request, stream pb.Router_AdvertiseStream) error { func (r *Router) Advertise(ctx context.Context, req *pb.Request, stream pb.Router_AdvertiseStream) error {
advertChan, err := r.Router.Advertise() advertChan, err := r.Router.Advertise()
if err != nil { if err != nil {
@ -91,6 +101,7 @@ func (r *Router) Advertise(ctx context.Context, req *pb.Request, stream pb.Route
return nil return nil
} }
// Process processes advertisements
func (r *Router) Process(ctx context.Context, req *pb.Advert, rsp *pb.ProcessResponse) error { func (r *Router) Process(ctx context.Context, req *pb.Advert, rsp *pb.ProcessResponse) error {
events := make([]*router.Event, len(req.Events)) events := make([]*router.Event, len(req.Events))
for i, event := range req.Events { for i, event := range req.Events {
@ -126,6 +137,7 @@ func (r *Router) Process(ctx context.Context, req *pb.Advert, rsp *pb.ProcessRes
return nil return nil
} }
// Status returns router status
func (r *Router) Status(ctx context.Context, req *pb.Request, rsp *pb.StatusResponse) error { func (r *Router) Status(ctx context.Context, req *pb.Request, rsp *pb.StatusResponse) error {
status := r.Router.Status() status := r.Router.Status()

19
router/proto/router.micro.go
View File

@ -1,5 +1,5 @@
// Code generated by protoc-gen-micro. DO NOT EDIT. // Code generated by protoc-gen-micro. DO NOT EDIT.
// source: micro/go-micro/router/proto/router.proto // source: router.proto
package go_micro_router package go_micro_router
@ -37,6 +37,7 @@ type RouterService interface {
Lookup(ctx context.Context, in *LookupRequest, opts ...client.CallOption) (*LookupResponse, error) Lookup(ctx context.Context, in *LookupRequest, opts ...client.CallOption) (*LookupResponse, error)
Watch(ctx context.Context, in *WatchRequest, opts ...client.CallOption) (Router_WatchService, error) Watch(ctx context.Context, in *WatchRequest, opts ...client.CallOption) (Router_WatchService, error)
Advertise(ctx context.Context, in *Request, opts ...client.CallOption) (Router_AdvertiseService, error) Advertise(ctx context.Context, in *Request, opts ...client.CallOption) (Router_AdvertiseService, error)
Solicit(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error)
Process(ctx context.Context, in *Advert, opts ...client.CallOption) (*ProcessResponse, error) Process(ctx context.Context, in *Advert, opts ...client.CallOption) (*ProcessResponse, error)
Status(ctx context.Context, in *Request, opts ...client.CallOption) (*StatusResponse, error) Status(ctx context.Context, in *Request, opts ...client.CallOption) (*StatusResponse, error)
} }
@ -157,6 +158,16 @@ func (x *routerServiceAdvertise) Recv() (*Advert, error) {
return m, nil return m, nil
} }
func (c *routerService) Solicit(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error) {
req := c.c.NewRequest(c.name, "Router.Solicit", in)
out := new(Response)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerService) Process(ctx context.Context, in *Advert, opts ...client.CallOption) (*ProcessResponse, error) { func (c *routerService) Process(ctx context.Context, in *Advert, opts ...client.CallOption) (*ProcessResponse, error) {
req := c.c.NewRequest(c.name, "Router.Process", in) req := c.c.NewRequest(c.name, "Router.Process", in)
out := new(ProcessResponse) out := new(ProcessResponse)
@ -183,6 +194,7 @@ type RouterHandler interface {
Lookup(context.Context, *LookupRequest, *LookupResponse) error Lookup(context.Context, *LookupRequest, *LookupResponse) error
Watch(context.Context, *WatchRequest, Router_WatchStream) error Watch(context.Context, *WatchRequest, Router_WatchStream) error
Advertise(context.Context, *Request, Router_AdvertiseStream) error Advertise(context.Context, *Request, Router_AdvertiseStream) error
Solicit(context.Context, *Request, *Response) error
Process(context.Context, *Advert, *ProcessResponse) error Process(context.Context, *Advert, *ProcessResponse) error
Status(context.Context, *Request, *StatusResponse) error Status(context.Context, *Request, *StatusResponse) error
} }
@ -192,6 +204,7 @@ func RegisterRouterHandler(s server.Server, hdlr RouterHandler, opts ...server.H
Lookup(ctx context.Context, in *LookupRequest, out *LookupResponse) error Lookup(ctx context.Context, in *LookupRequest, out *LookupResponse) error
Watch(ctx context.Context, stream server.Stream) error Watch(ctx context.Context, stream server.Stream) error
Advertise(ctx context.Context, stream server.Stream) error Advertise(ctx context.Context, stream server.Stream) error
Solicit(ctx context.Context, in *Request, out *Response) error
Process(ctx context.Context, in *Advert, out *ProcessResponse) error Process(ctx context.Context, in *Advert, out *ProcessResponse) error
Status(ctx context.Context, in *Request, out *StatusResponse) error Status(ctx context.Context, in *Request, out *StatusResponse) error
} }
@ -280,6 +293,10 @@ func (x *routerAdvertiseStream) Send(m *Advert) error {
return x.stream.Send(m) return x.stream.Send(m)
} }
func (h *routerHandler) Solicit(ctx context.Context, in *Request, out *Response) error {
return h.RouterHandler.Solicit(ctx, in, out)
}
func (h *routerHandler) Process(ctx context.Context, in *Advert, out *ProcessResponse) error { func (h *routerHandler) Process(ctx context.Context, in *Advert, out *ProcessResponse) error {
return h.RouterHandler.Process(ctx, in, out) return h.RouterHandler.Process(ctx, in, out)
} }

673
router/proto/router.pb.go
View File

@ -1,13 +1,11 @@
// Code generated by protoc-gen-go. DO NOT EDIT. // Code generated by protoc-gen-go. DO NOT EDIT.
// source: micro/go-micro/router/proto/router.proto // source: router.proto
package go_micro_router package go_micro_router
import ( import (
context "context"
fmt "fmt" fmt "fmt"
proto "github.com/golang/protobuf/proto" proto "github.com/golang/protobuf/proto"
grpc "google.golang.org/grpc"
math "math" math "math"
) )
@ -45,7 +43,7 @@ func (x AdvertType) String() string {
} }
func (AdvertType) EnumDescriptor() ([]byte, []int) { func (AdvertType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{0} return fileDescriptor_367072455c71aedc, []int{0}
} }
// EventType defines the type of event // EventType defines the type of event
@ -74,7 +72,7 @@ func (x EventType) String() string {
} }
func (EventType) EnumDescriptor() ([]byte, []int) { func (EventType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{1} return fileDescriptor_367072455c71aedc, []int{1}
} }
// Empty request // Empty request
@ -88,7 +86,7 @@ func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) } func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {} func (*Request) ProtoMessage() {}
func (*Request) Descriptor() ([]byte, []int) { func (*Request) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{0} return fileDescriptor_367072455c71aedc, []int{0}
} }
func (m *Request) XXX_Unmarshal(b []byte) error { func (m *Request) XXX_Unmarshal(b []byte) error {
@ -109,6 +107,38 @@ func (m *Request) XXX_DiscardUnknown() {
var xxx_messageInfo_Request proto.InternalMessageInfo var xxx_messageInfo_Request proto.InternalMessageInfo
// Empty response
type Response struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Response) Reset() { *m = Response{} }
func (m *Response) String() string { return proto.CompactTextString(m) }
func (*Response) ProtoMessage() {}
func (*Response) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{1}
}
func (m *Response) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Response.Unmarshal(m, b)
}
func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Response.Marshal(b, m, deterministic)
}
func (m *Response) XXX_Merge(src proto.Message) {
xxx_messageInfo_Response.Merge(m, src)
}
func (m *Response) XXX_Size() int {
return xxx_messageInfo_Response.Size(m)
}
func (m *Response) XXX_DiscardUnknown() {
xxx_messageInfo_Response.DiscardUnknown(m)
}
var xxx_messageInfo_Response proto.InternalMessageInfo
// ListResponse is returned by List // ListResponse is returned by List
type ListResponse struct { type ListResponse struct {
Routes []*Route `protobuf:"bytes,1,rep,name=routes,proto3" json:"routes,omitempty"` Routes []*Route `protobuf:"bytes,1,rep,name=routes,proto3" json:"routes,omitempty"`
@ -121,7 +151,7 @@ func (m *ListResponse) Reset() { *m = ListResponse{} }
func (m *ListResponse) String() string { return proto.CompactTextString(m) } func (m *ListResponse) String() string { return proto.CompactTextString(m) }
func (*ListResponse) ProtoMessage() {} func (*ListResponse) ProtoMessage() {}
func (*ListResponse) Descriptor() ([]byte, []int) { func (*ListResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{1} return fileDescriptor_367072455c71aedc, []int{2}
} }
func (m *ListResponse) XXX_Unmarshal(b []byte) error { func (m *ListResponse) XXX_Unmarshal(b []byte) error {
@ -161,7 +191,7 @@ func (m *LookupRequest) Reset() { *m = LookupRequest{} }
func (m *LookupRequest) String() string { return proto.CompactTextString(m) } func (m *LookupRequest) String() string { return proto.CompactTextString(m) }
func (*LookupRequest) ProtoMessage() {} func (*LookupRequest) ProtoMessage() {}
func (*LookupRequest) Descriptor() ([]byte, []int) { func (*LookupRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{2} return fileDescriptor_367072455c71aedc, []int{3}
} }
func (m *LookupRequest) XXX_Unmarshal(b []byte) error { func (m *LookupRequest) XXX_Unmarshal(b []byte) error {
@ -201,7 +231,7 @@ func (m *LookupResponse) Reset() { *m = LookupResponse{} }
func (m *LookupResponse) String() string { return proto.CompactTextString(m) } func (m *LookupResponse) String() string { return proto.CompactTextString(m) }
func (*LookupResponse) ProtoMessage() {} func (*LookupResponse) ProtoMessage() {}
func (*LookupResponse) Descriptor() ([]byte, []int) { func (*LookupResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{3} return fileDescriptor_367072455c71aedc, []int{4}
} }
func (m *LookupResponse) XXX_Unmarshal(b []byte) error { func (m *LookupResponse) XXX_Unmarshal(b []byte) error {
@ -229,6 +259,7 @@ func (m *LookupResponse) GetRoutes() []*Route {
return nil return nil
} }
// QueryRequest queries Table for Routes
type QueryRequest struct { type QueryRequest struct {
Query *Query `protobuf:"bytes,1,opt,name=query,proto3" json:"query,omitempty"` Query *Query `protobuf:"bytes,1,opt,name=query,proto3" json:"query,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
@ -240,7 +271,7 @@ func (m *QueryRequest) Reset() { *m = QueryRequest{} }
func (m *QueryRequest) String() string { return proto.CompactTextString(m) } func (m *QueryRequest) String() string { return proto.CompactTextString(m) }
func (*QueryRequest) ProtoMessage() {} func (*QueryRequest) ProtoMessage() {}
func (*QueryRequest) Descriptor() ([]byte, []int) { func (*QueryRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{4} return fileDescriptor_367072455c71aedc, []int{5}
} }
func (m *QueryRequest) XXX_Unmarshal(b []byte) error { func (m *QueryRequest) XXX_Unmarshal(b []byte) error {
@ -268,6 +299,7 @@ func (m *QueryRequest) GetQuery() *Query {
return nil return nil
} }
// QueryResponse is returned by Query
type QueryResponse struct { type QueryResponse struct {
Routes []*Route `protobuf:"bytes,1,rep,name=routes,proto3" json:"routes,omitempty"` Routes []*Route `protobuf:"bytes,1,rep,name=routes,proto3" json:"routes,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
@ -279,7 +311,7 @@ func (m *QueryResponse) Reset() { *m = QueryResponse{} }
func (m *QueryResponse) String() string { return proto.CompactTextString(m) } func (m *QueryResponse) String() string { return proto.CompactTextString(m) }
func (*QueryResponse) ProtoMessage() {} func (*QueryResponse) ProtoMessage() {}
func (*QueryResponse) Descriptor() ([]byte, []int) { func (*QueryResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{5} return fileDescriptor_367072455c71aedc, []int{6}
} }
func (m *QueryResponse) XXX_Unmarshal(b []byte) error { func (m *QueryResponse) XXX_Unmarshal(b []byte) error {
@ -318,7 +350,7 @@ func (m *WatchRequest) Reset() { *m = WatchRequest{} }
func (m *WatchRequest) String() string { return proto.CompactTextString(m) } func (m *WatchRequest) String() string { return proto.CompactTextString(m) }
func (*WatchRequest) ProtoMessage() {} func (*WatchRequest) ProtoMessage() {}
func (*WatchRequest) Descriptor() ([]byte, []int) { func (*WatchRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{6} return fileDescriptor_367072455c71aedc, []int{7}
} }
func (m *WatchRequest) XXX_Unmarshal(b []byte) error { func (m *WatchRequest) XXX_Unmarshal(b []byte) error {
@ -360,7 +392,7 @@ func (m *Advert) Reset() { *m = Advert{} }
func (m *Advert) String() string { return proto.CompactTextString(m) } func (m *Advert) String() string { return proto.CompactTextString(m) }
func (*Advert) ProtoMessage() {} func (*Advert) ProtoMessage() {}
func (*Advert) Descriptor() ([]byte, []int) { func (*Advert) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{7} return fileDescriptor_367072455c71aedc, []int{8}
} }
func (m *Advert) XXX_Unmarshal(b []byte) error { func (m *Advert) XXX_Unmarshal(b []byte) error {
@ -416,6 +448,47 @@ func (m *Advert) GetEvents() []*Event {
return nil return nil
} }
// Solicit solicits routes
type Solicit struct {
// id of the soliciting router
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Solicit) Reset() { *m = Solicit{} }
func (m *Solicit) String() string { return proto.CompactTextString(m) }
func (*Solicit) ProtoMessage() {}
func (*Solicit) Descriptor() ([]byte, []int) {
return fileDescriptor_367072455c71aedc, []int{9}
}
func (m *Solicit) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Solicit.Unmarshal(m, b)
}
func (m *Solicit) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Solicit.Marshal(b, m, deterministic)
}
func (m *Solicit) XXX_Merge(src proto.Message) {
xxx_messageInfo_Solicit.Merge(m, src)
}
func (m *Solicit) XXX_Size() int {
return xxx_messageInfo_Solicit.Size(m)
}
func (m *Solicit) XXX_DiscardUnknown() {
xxx_messageInfo_Solicit.DiscardUnknown(m)
}
var xxx_messageInfo_Solicit proto.InternalMessageInfo
func (m *Solicit) GetId() string {
if m != nil {
return m.Id
}
return ""
}
// ProcessResponse is returned by Process // ProcessResponse is returned by Process
type ProcessResponse struct { type ProcessResponse struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"` XXX_NoUnkeyedLiteral struct{} `json:"-"`
@ -427,7 +500,7 @@ func (m *ProcessResponse) Reset() { *m = ProcessResponse{} }
func (m *ProcessResponse) String() string { return proto.CompactTextString(m) } func (m *ProcessResponse) String() string { return proto.CompactTextString(m) }
func (*ProcessResponse) ProtoMessage() {} func (*ProcessResponse) ProtoMessage() {}
func (*ProcessResponse) Descriptor() ([]byte, []int) { func (*ProcessResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{8} return fileDescriptor_367072455c71aedc, []int{10}
} }
func (m *ProcessResponse) XXX_Unmarshal(b []byte) error { func (m *ProcessResponse) XXX_Unmarshal(b []byte) error {
@ -459,7 +532,7 @@ func (m *CreateResponse) Reset() { *m = CreateResponse{} }
func (m *CreateResponse) String() string { return proto.CompactTextString(m) } func (m *CreateResponse) String() string { return proto.CompactTextString(m) }
func (*CreateResponse) ProtoMessage() {} func (*CreateResponse) ProtoMessage() {}
func (*CreateResponse) Descriptor() ([]byte, []int) { func (*CreateResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{9} return fileDescriptor_367072455c71aedc, []int{11}
} }
func (m *CreateResponse) XXX_Unmarshal(b []byte) error { func (m *CreateResponse) XXX_Unmarshal(b []byte) error {
@ -491,7 +564,7 @@ func (m *DeleteResponse) Reset() { *m = DeleteResponse{} }
func (m *DeleteResponse) String() string { return proto.CompactTextString(m) } func (m *DeleteResponse) String() string { return proto.CompactTextString(m) }
func (*DeleteResponse) ProtoMessage() {} func (*DeleteResponse) ProtoMessage() {}
func (*DeleteResponse) Descriptor() ([]byte, []int) { func (*DeleteResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{10} return fileDescriptor_367072455c71aedc, []int{12}
} }
func (m *DeleteResponse) XXX_Unmarshal(b []byte) error { func (m *DeleteResponse) XXX_Unmarshal(b []byte) error {
@ -523,7 +596,7 @@ func (m *UpdateResponse) Reset() { *m = UpdateResponse{} }
func (m *UpdateResponse) String() string { return proto.CompactTextString(m) } func (m *UpdateResponse) String() string { return proto.CompactTextString(m) }
func (*UpdateResponse) ProtoMessage() {} func (*UpdateResponse) ProtoMessage() {}
func (*UpdateResponse) Descriptor() ([]byte, []int) { func (*UpdateResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{11} return fileDescriptor_367072455c71aedc, []int{13}
} }
func (m *UpdateResponse) XXX_Unmarshal(b []byte) error { func (m *UpdateResponse) XXX_Unmarshal(b []byte) error {
@ -561,7 +634,7 @@ func (m *Event) Reset() { *m = Event{} }
func (m *Event) String() string { return proto.CompactTextString(m) } func (m *Event) String() string { return proto.CompactTextString(m) }
func (*Event) ProtoMessage() {} func (*Event) ProtoMessage() {}
func (*Event) Descriptor() ([]byte, []int) { func (*Event) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{12} return fileDescriptor_367072455c71aedc, []int{14}
} }
func (m *Event) XXX_Unmarshal(b []byte) error { func (m *Event) XXX_Unmarshal(b []byte) error {
@ -620,7 +693,7 @@ func (m *Query) Reset() { *m = Query{} }
func (m *Query) String() string { return proto.CompactTextString(m) } func (m *Query) String() string { return proto.CompactTextString(m) }
func (*Query) ProtoMessage() {} func (*Query) ProtoMessage() {}
func (*Query) Descriptor() ([]byte, []int) { func (*Query) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{13} return fileDescriptor_367072455c71aedc, []int{15}
} }
func (m *Query) XXX_Unmarshal(b []byte) error { func (m *Query) XXX_Unmarshal(b []byte) error {
@ -687,7 +760,7 @@ func (m *Route) Reset() { *m = Route{} }
func (m *Route) String() string { return proto.CompactTextString(m) } func (m *Route) String() string { return proto.CompactTextString(m) }
func (*Route) ProtoMessage() {} func (*Route) ProtoMessage() {}
func (*Route) Descriptor() ([]byte, []int) { func (*Route) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{14} return fileDescriptor_367072455c71aedc, []int{16}
} }
func (m *Route) XXX_Unmarshal(b []byte) error { func (m *Route) XXX_Unmarshal(b []byte) error {
@ -769,7 +842,7 @@ func (m *Status) Reset() { *m = Status{} }
func (m *Status) String() string { return proto.CompactTextString(m) } func (m *Status) String() string { return proto.CompactTextString(m) }
func (*Status) ProtoMessage() {} func (*Status) ProtoMessage() {}
func (*Status) Descriptor() ([]byte, []int) { func (*Status) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{15} return fileDescriptor_367072455c71aedc, []int{17}
} }
func (m *Status) XXX_Unmarshal(b []byte) error { func (m *Status) XXX_Unmarshal(b []byte) error {
@ -815,7 +888,7 @@ func (m *StatusResponse) Reset() { *m = StatusResponse{} }
func (m *StatusResponse) String() string { return proto.CompactTextString(m) } func (m *StatusResponse) String() string { return proto.CompactTextString(m) }
func (*StatusResponse) ProtoMessage() {} func (*StatusResponse) ProtoMessage() {}
func (*StatusResponse) Descriptor() ([]byte, []int) { func (*StatusResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_6a36eee0b1adf739, []int{16} return fileDescriptor_367072455c71aedc, []int{18}
} }
func (m *StatusResponse) XXX_Unmarshal(b []byte) error { func (m *StatusResponse) XXX_Unmarshal(b []byte) error {
@ -847,6 +920,7 @@ func init() {
proto.RegisterEnum("go.micro.router.AdvertType", AdvertType_name, AdvertType_value) proto.RegisterEnum("go.micro.router.AdvertType", AdvertType_name, AdvertType_value)
proto.RegisterEnum("go.micro.router.EventType", EventType_name, EventType_value) proto.RegisterEnum("go.micro.router.EventType", EventType_name, EventType_value)
proto.RegisterType((*Request)(nil), "go.micro.router.Request") proto.RegisterType((*Request)(nil), "go.micro.router.Request")
proto.RegisterType((*Response)(nil), "go.micro.router.Response")
proto.RegisterType((*ListResponse)(nil), "go.micro.router.ListResponse") proto.RegisterType((*ListResponse)(nil), "go.micro.router.ListResponse")
proto.RegisterType((*LookupRequest)(nil), "go.micro.router.LookupRequest") proto.RegisterType((*LookupRequest)(nil), "go.micro.router.LookupRequest")
proto.RegisterType((*LookupResponse)(nil), "go.micro.router.LookupResponse") proto.RegisterType((*LookupResponse)(nil), "go.micro.router.LookupResponse")
@ -854,6 +928,7 @@ func init() {
proto.RegisterType((*QueryResponse)(nil), "go.micro.router.QueryResponse") proto.RegisterType((*QueryResponse)(nil), "go.micro.router.QueryResponse")
proto.RegisterType((*WatchRequest)(nil), "go.micro.router.WatchRequest") proto.RegisterType((*WatchRequest)(nil), "go.micro.router.WatchRequest")
proto.RegisterType((*Advert)(nil), "go.micro.router.Advert") proto.RegisterType((*Advert)(nil), "go.micro.router.Advert")
proto.RegisterType((*Solicit)(nil), "go.micro.router.Solicit")
proto.RegisterType((*ProcessResponse)(nil), "go.micro.router.ProcessResponse") proto.RegisterType((*ProcessResponse)(nil), "go.micro.router.ProcessResponse")
proto.RegisterType((*CreateResponse)(nil), "go.micro.router.CreateResponse") proto.RegisterType((*CreateResponse)(nil), "go.micro.router.CreateResponse")
proto.RegisterType((*DeleteResponse)(nil), "go.micro.router.DeleteResponse") proto.RegisterType((*DeleteResponse)(nil), "go.micro.router.DeleteResponse")
@ -865,509 +940,53 @@ func init() {
proto.RegisterType((*StatusResponse)(nil), "go.micro.router.StatusResponse") proto.RegisterType((*StatusResponse)(nil), "go.micro.router.StatusResponse")
} }
func init() { func init() { proto.RegisterFile("router.proto", fileDescriptor_367072455c71aedc) }
proto.RegisterFile("micro/go-micro/router/proto/router.proto", fileDescriptor_6a36eee0b1adf739)
} var fileDescriptor_367072455c71aedc = []byte{
// 714 bytes of a gzipped FileDescriptorProto
var fileDescriptor_6a36eee0b1adf739 = []byte{ 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x56, 0xcd, 0x4e, 0xdb, 0x40,
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}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4
// RouterClient is the client API for Router service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type RouterClient interface {
Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupResponse, error)
Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Router_WatchClient, error)
Advertise(ctx context.Context, in *Request, opts ...grpc.CallOption) (Router_AdvertiseClient, error)
Process(ctx context.Context, in *Advert, opts ...grpc.CallOption) (*ProcessResponse, error)
Status(ctx context.Context, in *Request, opts ...grpc.CallOption) (*StatusResponse, error)
}
type routerClient struct {
cc *grpc.ClientConn
}
func NewRouterClient(cc *grpc.ClientConn) RouterClient {
return &routerClient{cc}
}
func (c *routerClient) Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupResponse, error) {
out := new(LookupResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Lookup", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerClient) Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Router_WatchClient, error) {
stream, err := c.cc.NewStream(ctx, &_Router_serviceDesc.Streams[0], "/go.micro.router.Router/Watch", opts...)
if err != nil {
return nil, err
}
x := &routerWatchClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Router_WatchClient interface {
Recv() (*Event, error)
grpc.ClientStream
}
type routerWatchClient struct {
grpc.ClientStream
}
func (x *routerWatchClient) Recv() (*Event, error) {
m := new(Event)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *routerClient) Advertise(ctx context.Context, in *Request, opts ...grpc.CallOption) (Router_AdvertiseClient, error) {
stream, err := c.cc.NewStream(ctx, &_Router_serviceDesc.Streams[1], "/go.micro.router.Router/Advertise", opts...)
if err != nil {
return nil, err
}
x := &routerAdvertiseClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Router_AdvertiseClient interface {
Recv() (*Advert, error)
grpc.ClientStream
}
type routerAdvertiseClient struct {
grpc.ClientStream
}
func (x *routerAdvertiseClient) Recv() (*Advert, error) {
m := new(Advert)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *routerClient) Process(ctx context.Context, in *Advert, opts ...grpc.CallOption) (*ProcessResponse, error) {
out := new(ProcessResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Process", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *routerClient) Status(ctx context.Context, in *Request, opts ...grpc.CallOption) (*StatusResponse, error) {
out := new(StatusResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Router/Status", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// RouterServer is the server API for Router service.
type RouterServer interface {
Lookup(context.Context, *LookupRequest) (*LookupResponse, error)
Watch(*WatchRequest, Router_WatchServer) error
Advertise(*Request, Router_AdvertiseServer) error
Process(context.Context, *Advert) (*ProcessResponse, error)
Status(context.Context, *Request) (*StatusResponse, error)
}
func RegisterRouterServer(s *grpc.Server, srv RouterServer) {
s.RegisterService(&_Router_serviceDesc, srv)
}
func _Router_Lookup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(LookupRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RouterServer).Lookup(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Lookup",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Lookup(ctx, req.(*LookupRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Router_Watch_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(WatchRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RouterServer).Watch(m, &routerWatchServer{stream})
}
type Router_WatchServer interface {
Send(*Event) error
grpc.ServerStream
}
type routerWatchServer struct {
grpc.ServerStream
}
func (x *routerWatchServer) Send(m *Event) error {
return x.ServerStream.SendMsg(m)
}
func _Router_Advertise_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(Request)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RouterServer).Advertise(m, &routerAdvertiseServer{stream})
}
type Router_AdvertiseServer interface {
Send(*Advert) error
grpc.ServerStream
}
type routerAdvertiseServer struct {
grpc.ServerStream
}
func (x *routerAdvertiseServer) Send(m *Advert) error {
return x.ServerStream.SendMsg(m)
}
func _Router_Process_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Advert)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RouterServer).Process(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Process",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Process(ctx, req.(*Advert))
}
return interceptor(ctx, in, info, handler)
}
func _Router_Status_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Request)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RouterServer).Status(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Router/Status",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RouterServer).Status(ctx, req.(*Request))
}
return interceptor(ctx, in, info, handler)
}
var _Router_serviceDesc = grpc.ServiceDesc{
ServiceName: "go.micro.router.Router",
HandlerType: (*RouterServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Lookup",
Handler: _Router_Lookup_Handler,
},
{
MethodName: "Process",
Handler: _Router_Process_Handler,
},
{
MethodName: "Status",
Handler: _Router_Status_Handler,
},
},
Streams: []grpc.StreamDesc{
{
StreamName: "Watch",
Handler: _Router_Watch_Handler,
ServerStreams: true,
},
{
StreamName: "Advertise",
Handler: _Router_Advertise_Handler,
ServerStreams: true,
},
},
Metadata: "micro/go-micro/router/proto/router.proto",
}
// TableClient is the client API for Table service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type TableClient interface {
Create(ctx context.Context, in *Route, opts ...grpc.CallOption) (*CreateResponse, error)
Delete(ctx context.Context, in *Route, opts ...grpc.CallOption) (*DeleteResponse, error)
Update(ctx context.Context, in *Route, opts ...grpc.CallOption) (*UpdateResponse, error)
List(ctx context.Context, in *Request, opts ...grpc.CallOption) (*ListResponse, error)
Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (*QueryResponse, error)
}
type tableClient struct {
cc *grpc.ClientConn
}
func NewTableClient(cc *grpc.ClientConn) TableClient {
return &tableClient{cc}
}
func (c *tableClient) Create(ctx context.Context, in *Route, opts ...grpc.CallOption) (*CreateResponse, error) {
out := new(CreateResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Create", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Delete(ctx context.Context, in *Route, opts ...grpc.CallOption) (*DeleteResponse, error) {
out := new(DeleteResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Delete", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Update(ctx context.Context, in *Route, opts ...grpc.CallOption) (*UpdateResponse, error) {
out := new(UpdateResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Update", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) List(ctx context.Context, in *Request, opts ...grpc.CallOption) (*ListResponse, error) {
out := new(ListResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/List", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *tableClient) Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (*QueryResponse, error) {
out := new(QueryResponse)
err := c.cc.Invoke(ctx, "/go.micro.router.Table/Query", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// TableServer is the server API for Table service.
type TableServer interface {
Create(context.Context, *Route) (*CreateResponse, error)
Delete(context.Context, *Route) (*DeleteResponse, error)
Update(context.Context, *Route) (*UpdateResponse, error)
List(context.Context, *Request) (*ListResponse, error)
Query(context.Context, *QueryRequest) (*QueryResponse, error)
}
func RegisterTableServer(s *grpc.Server, srv TableServer) {
s.RegisterService(&_Table_serviceDesc, srv)
}
func _Table_Create_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Create(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Create",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Create(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Delete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Delete(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Delete",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Delete(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Update_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Route)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Update(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Update",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Update(ctx, req.(*Route))
}
return interceptor(ctx, in, info, handler)
}
func _Table_List_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Request)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).List(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/List",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).List(ctx, req.(*Request))
}
return interceptor(ctx, in, info, handler)
}
func _Table_Query_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(QueryRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TableServer).Query(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.router.Table/Query",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TableServer).Query(ctx, req.(*QueryRequest))
}
return interceptor(ctx, in, info, handler)
}
var _Table_serviceDesc = grpc.ServiceDesc{
ServiceName: "go.micro.router.Table",
HandlerType: (*TableServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Create",
Handler: _Table_Create_Handler,
},
{
MethodName: "Delete",
Handler: _Table_Delete_Handler,
},
{
MethodName: "Update",
Handler: _Table_Update_Handler,
},
{
MethodName: "List",
Handler: _Table_List_Handler,
},
{
MethodName: "Query",
Handler: _Table_Query_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "micro/go-micro/router/proto/router.proto",
} }

6
router/proto/router.proto
View File

@ -74,6 +74,12 @@ message Advert {
repeated Event events = 5; repeated Event events = 5;
} }
// Solicit solicits routes
message Solicit {
// id of the soliciting router
string id = 1;
}
// ProcessResponse is returned by Process // ProcessResponse is returned by Process
message ProcessResponse {} message ProcessResponse {}

4
router/table.go
View File

@ -110,8 +110,12 @@ func (t *table) Update(r Route) error {
if _, ok := t.routes[service][sum]; !ok { if _, ok := t.routes[service][sum]; !ok {
t.routes[service][sum] = r t.routes[service][sum] = r
go t.sendEvent(&Event{Type: Update, Timestamp: time.Now(), Route: r}) go t.sendEvent(&Event{Type: Update, Timestamp: time.Now(), Route: r})
return nil
} }
t.routes[service][sum] = r
go t.sendEvent(&Event{Type: Update, Timestamp: time.Now(), Route: r})
return nil return nil
} }