add RPKI support

Just get info from ROA server. Not varidate any route yet.

Currently, "--rpki-server" option enables RPKI:

$ gobgpd --rpki-server 210.173.170.254:323

We'll use the configuration file for this later.

You can see ROAs via CLI:

$ gobgp rpki

For ipv6,

$ gobgp rpki -a v6

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 8 insertions, 0 deletions

diff --git a/api/gobgp.proto b/api/gobgp.proto
index 5441647c..1a573977 100644
--- a/api/gobgp.proto
+++ b/api/gobgp.proto
@@ -40,6 +40,7 @@ service Grpc {
   rpc MonitorBestChanged(Arguments) returns (stream Path) {}
   rpc MonitorPeerState(Arguments) returns (stream Peer) {}
   rpc GetMrt(MrtArguments) returns (stream MrtMessage) {}
+  rpc GetRPKI(Arguments) returns (stream ROA) {}
 }
 
 message Error {
@@ -497,3 +498,10 @@ message ApplyPolicy {
 message MrtMessage {
     bytes data = 1;
 }
+
+message ROA {
+    uint32 as = 1;
+    uint32 prefixlen = 2;
+    uint32 maxlen = 3;
+    string prefix = 4;
+}
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