Add origin and originator_id fields to route introspect

Change-Id: Ib38da04cbb6ba69cf653945781fee51d4f90be16
Closes-Bug: 1661801

src/bgp/bgp_attr.cc

@@ -941,6 +941,21 @@ void BgpAttr::set_leaf_olist(const BgpOListSpec *leaf_olist_spec) {
     }
 }
 
+std::string BgpAttr::origin_string() const {
+    switch (origin()) {
+    case BgpAttrOrigin::IGP:
+        return "igp";
+        break;
+    case BgpAttrOrigin::EGP:
+        return "egp";
+        break;
+    case BgpAttrOrigin::INCOMPLETE:
+        return "incomplete";
+        break;
+    }
+    return "unknown";
+}
+
 Address::Family BgpAttr::nexthop_family() const {
     if (nexthop_.is_v6()) {
         return Address::INET6;

src/bgp/bgp_attr.h

@@ -820,6 +820,7 @@ class BgpAttr {
     friend std::size_t hash_value(BgpAttr const &attr);
 
     BgpAttrOrigin::OriginType origin() const { return origin_; }
+    std::string origin_string() const;
     const IpAddress &nexthop() const { return nexthop_; }
     Address::Family nexthop_family() const;
     uint32_t med() const { return med_; }

src/bgp/bgp_peer.sandesh

@@ -184,6 +184,7 @@ struct ShowRoutePath {
     10: string as_path;
     11: string next_hop;
     12: u32 label;
+    26: string origin;
     13: bool replicated;
     14: string primary_table (link="ShowRouteReq");
     24: list<string> secondary_tables;
@@ -196,6 +197,7 @@ struct ShowRoutePath {
     21: ShowPmsiTunnel pmsi_tunnel;
     22: ShowLoadBalance load_balance;
     23: list<string> cluster_list;
+    27: string originator_id;
 }
 
 struct ShowRoute {

src/bgp/bgp_route.cc

@@ -453,6 +453,7 @@ void BgpRoute::FillRouteInfo(const BgpTable *table,
         }
 
         const BgpAttr *attr = path->GetAttr();
+        srp.set_origin(attr->origin_string());
         if (attr->as_path() != NULL)
             srp.set_as_path(attr->as_path()->path().ToString());
         srp.set_local_preference(attr->local_pref());
@@ -504,6 +505,10 @@ void BgpRoute::FillRouteInfo(const BgpTable *table,
             bool label_is_vni =  extcomm && extcomm->ContainsTunnelEncapVxlan();
             FillPmsiTunnelInfo(attr->pmsi_tunnel(), label_is_vni, &srp);
         }
+        if (attr->originator_id().to_ulong()) {
+            srp.set_originator_id(attr->originator_id().to_string());
+        }
+
         show_route_paths.push_back(srp);
     }
     show_route->set_paths(show_route_paths);

src/bgp/test/bgp_attr_test.cc

@@ -94,6 +94,42 @@ TEST_F(BgpAttrTest, UnknownCode) {
     EXPECT_EQ(1729, attr->local_pref());
 }
 
+TEST_F(BgpAttrTest, Origin1) {
+    BgpAttrSpec spec;
+    BgpAttrOrigin origin(BgpAttrOrigin::IGP);
+    spec.push_back(&origin);
+    BgpAttrPtr attr = attr_db_->Locate(spec);
+    EXPECT_EQ(BgpAttrOrigin::IGP, attr->origin());
+    EXPECT_EQ("igp", attr->origin_string());
+}
+
+TEST_F(BgpAttrTest, Origin2) {
+    BgpAttrSpec spec;
+    BgpAttrOrigin origin(BgpAttrOrigin::EGP);
+    spec.push_back(&origin);
+    BgpAttrPtr attr = attr_db_->Locate(spec);
+    EXPECT_EQ(BgpAttrOrigin::EGP, attr->origin());
+    EXPECT_EQ("egp", attr->origin_string());
+}
+
+TEST_F(BgpAttrTest, Origin3) {
+    BgpAttrSpec spec;
+    BgpAttrOrigin origin(BgpAttrOrigin::INCOMPLETE);
+    spec.push_back(&origin);
+    BgpAttrPtr attr = attr_db_->Locate(spec);
+    EXPECT_EQ(BgpAttrOrigin::INCOMPLETE, attr->origin());
+    EXPECT_EQ("incomplete", attr->origin_string());
+}
+
+TEST_F(BgpAttrTest, Origin4) {
+    BgpAttrSpec spec;
+    BgpAttrOrigin origin(255);
+    spec.push_back(&origin);
+    BgpAttrPtr attr = attr_db_->Locate(spec);
+    EXPECT_EQ(255, attr->origin());
+    EXPECT_EQ("unknown", attr->origin_string());
+}
+
 TEST_F(BgpAttrTest, MultiExitDiscCompare) {
     BgpAttrMultiExitDisc med1(100);
     BgpAttrMultiExitDisc med2(200);