Sergiusz Bazanski | e653e6a | 2019-07-20 16:36:00 +0200 | [diff] [blame] | 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "flag" |
| 6 | |
| 7 | "github.com/golang/glog" |
| 8 | "google.golang.org/grpc/codes" |
| 9 | "google.golang.org/grpc/status" |
| 10 | |
| 11 | "code.hackerspace.pl/hscloud/bgpwtf/cccampix/peeringdb/schema" |
| 12 | pb "code.hackerspace.pl/hscloud/bgpwtf/cccampix/proto" |
| 13 | "code.hackerspace.pl/hscloud/go/mirko" |
| 14 | ) |
| 15 | |
| 16 | type service struct { |
| 17 | } |
| 18 | |
| 19 | func (s *service) GetIXMembers(ctx context.Context, req *pb.GetIXMembersRequest) (*pb.GetIXMembersResponse, error) { |
| 20 | if req.Id == 0 { |
| 21 | return nil, status.Error(codes.InvalidArgument, "IX id must be given") |
| 22 | } |
| 23 | |
| 24 | // First, get netixlans (membership info) for the given IX. |
| 25 | js := struct { |
| 26 | Data []schema.NetIXLan `json:"Data"` |
| 27 | }{} |
| 28 | err := schema.Get(ctx, &js, schema.NetIXLanInIXURL(req.Id)) |
| 29 | if err != nil { |
| 30 | return nil, status.Errorf(codes.Unavailable, "PeeringDB query error: %v", err) |
| 31 | } |
| 32 | |
| 33 | // Build set of seen Nets/ASs. |
| 34 | netids := make(map[int64]bool) |
| 35 | for _, netixlan := range js.Data { |
| 36 | netids[netixlan.NetID] = true |
| 37 | } |
| 38 | |
| 39 | // Convert set to unique list. |
| 40 | nets := make([]int64, len(netids)) |
| 41 | i := 0 |
| 42 | for id, _ := range netids { |
| 43 | nets[i] = id |
| 44 | i += 1 |
| 45 | } |
| 46 | |
| 47 | // Request information about nets/ASNs: |
| 48 | js2 := struct { |
| 49 | Data []schema.Net `json:"Data"` |
| 50 | }{} |
| 51 | err = schema.Get(ctx, &js2, schema.NetURLMulti(nets)) |
| 52 | if err != nil { |
| 53 | return nil, status.Errorf(codes.Unavailable, "PeeringDB query error: %v", err) |
| 54 | } |
| 55 | |
| 56 | // Make map net id -> Net |
| 57 | netidsNet := make(map[int64]*schema.Net) |
| 58 | for _, net := range js2.Data { |
| 59 | net := net |
| 60 | netidsNet[net.ID] = &net |
| 61 | } |
| 62 | |
| 63 | // Build joined response. |
| 64 | |
| 65 | res := &pb.GetIXMembersResponse{ |
| 66 | Members: make([]*pb.GetIXMembersResponse_Member, len(js.Data)), |
| 67 | } |
| 68 | |
| 69 | for i, netixlan := range js.Data { |
| 70 | res.Members[i] = &pb.GetIXMembersResponse_Member{ |
| 71 | Asn: netixlan.ASN, |
| 72 | Ipv4: netixlan.IPv4, |
| 73 | Ipv6: netixlan.IPv6, |
| 74 | Name: netidsNet[netixlan.NetID].Name, |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | return res, nil |
| 79 | } |
| 80 | |
| 81 | func main() { |
| 82 | flag.Parse() |
| 83 | mi := mirko.New() |
| 84 | |
| 85 | if err := mi.Listen(); err != nil { |
| 86 | glog.Exitf("Listen failed: %v", err) |
| 87 | } |
| 88 | |
| 89 | s := &service{} |
| 90 | pb.RegisterPeeringDBProxyServer(mi.GRPC(), s) |
| 91 | |
| 92 | if err := mi.Serve(); err != nil { |
| 93 | glog.Exitf("Serve failed: %v", err) |
| 94 | } |
| 95 | |
| 96 | <-mi.Done() |
| 97 | } |