micro/network/handler/handler.go

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// Package handler implements network RPC handler
package handler
import (
"context"
"github.com/micro/go-micro/errors"
"github.com/micro/go-micro/network"
pbNet "github.com/micro/go-micro/network/proto"
pbRtr "github.com/micro/go-micro/router/proto"
)
// Network implements network handler
type Network struct {
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
func (n *Network) ListRoutes(ctx context.Context, req *pbRtr.Request, resp *pbRtr.ListResponse) error {
routes, err := n.Network.Options().Router.Table().List()
if err != nil {
return errors.InternalServerError("go.micro.network", "failed to list routes: %s", err)
}
var respRoutes []*pbRtr.Route
for _, route := range routes {
respRoute := &pbRtr.Route{
Service: route.Service,
Address: route.Address,
Gateway: route.Gateway,
Network: route.Network,
Router: route.Router,
Link: route.Link,
Metric: int64(route.Metric),
}
respRoutes = append(respRoutes, respRoute)
}
resp.Routes = respRoutes
return nil
}