Add gRPC API client examples in C++

1 files changed, 63 insertions, 0 deletions

diff --git a/tools/grpc/cpp/gobgp_api_client.cc b/tools/grpc/cpp/gobgp_api_client.cc
new file mode 100644
index 00000000..938b9f0e
--- /dev/null
+++ b/tools/grpc/cpp/gobgp_api_client.cc
@@ -0,0 +1,63 @@
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+
+#include <grpc/grpc.h>
+#include <grpc++/channel.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/security/credentials.h>
+#include "gobgp_api_client.grpc.pb.h"
+
+using grpc::Channel;
+using grpc::ClientContext;
+using grpc::Status;
+
+using api::Grpc;
+
+class GrpcClient {
+    public:
+        GrpcClient(std::shared_ptr<Channel> channel) : stub_(Grpc::NewStub(channel)) {}
+
+        std::string GetAllNeighbor(std::string neighbor_ip) {
+        api::Arguments request;
+        request.set_rf(4);
+        request.set_name(neighbor_ip);
+
+        ClientContext context;
+
+        api::Peer peer;
+        grpc::Status status = stub_->GetNeighbor(&context, request, &peer);
+
+        if (status.ok()) {
+            api::PeerConf peer_conf = peer.conf();
+            api::PeerInfo peer_info = peer.info();
+
+            std::stringstream buffer;
+  
+            buffer
+                << "Peer AS: " << peer_conf.remote_as() << "\n"
+                << "Peer router id: " << peer_conf.id() << "\n"
+                << "Peer flops: " << peer_info.flops() << "\n"
+                << "BGP state: " << peer_info.bgp_state();
+
+            return buffer.str();
+        } else {
+            return "Something wrong";
+        }
+
+    }
+
+    private:
+        std::unique_ptr<Grpc::Stub> stub_;
+};
+
+int main(int argc, char** argv) {
+    GrpcClient gobgp_client(grpc::CreateChannel("localhost:8080", grpc::InsecureCredentials()));
+ 
+    std::string reply = gobgp_client.GetAllNeighbor("213.133.111.200");
+    std::cout << "We received: " << reply << std::endl;
+
+    return 0;
+}