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-rw-r--r--tools/grpc/cpp/Makefile2
-rw-r--r--tools/grpc/cpp/gobgp_api_client.cc257
2 files changed, 233 insertions, 26 deletions
diff --git a/tools/grpc/cpp/Makefile b/tools/grpc/cpp/Makefile
index e277acfb..2fcb5c8c 100644
--- a/tools/grpc/cpp/Makefile
+++ b/tools/grpc/cpp/Makefile
@@ -13,7 +13,7 @@ vpath %.proto $(PROTOS_PATH)
all: system-check gobgp_api_client
gobgp_api_client: gobgp_api_client.pb.o gobgp_api_client.grpc.pb.o gobgp_api_client.o
- $(CXX) $^ $(LDFLAGS) -o $@
+ $(CXX) $^ $(LDFLAGS) -L. -lgobgp -o $@
%.grpc.pb.cc: %.proto
$(PROTOC) -I $(PROTOS_PATH) --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
diff --git a/tools/grpc/cpp/gobgp_api_client.cc b/tools/grpc/cpp/gobgp_api_client.cc
index 938b9f0e..5ff21872 100644
--- a/tools/grpc/cpp/gobgp_api_client.cc
+++ b/tools/grpc/cpp/gobgp_api_client.cc
@@ -2,6 +2,7 @@
#include <memory>
#include <sstream>
#include <string>
+#include <string.h>
#include <grpc/grpc.h>
#include <grpc++/channel.h>
@@ -10,54 +11,260 @@
#include <grpc++/security/credentials.h>
#include "gobgp_api_client.grpc.pb.h"
+extern "C" {
+ // Gobgp library
+ #include "libgobgp.h"
+}
+
using grpc::Channel;
using grpc::ClientContext;
using grpc::Status;
-using api::Grpc;
+using gobgpapi::GobgpApi;
class GrpcClient {
public:
- GrpcClient(std::shared_ptr<Channel> channel) : stub_(Grpc::NewStub(channel)) {}
+ GrpcClient(std::shared_ptr<Channel> channel) : stub_(GobgpApi::NewStub(channel)) {}
+ void GetAllActiveAnnounces(unsigned int route_family) {
+ ClientContext context;
+ gobgpapi::Arguments arguments;
+
+ arguments.set_rf(route_family);
+ // We could specify certain neighbor here
+ arguments.set_name("");
+ arguments.set_resource(gobgpapi::Resource::GLOBAL);
+
+ auto destinations_list = stub_->GetRib(&context, arguments);
+
+ gobgpapi::Destination current_destination;
+
+ std::cout << "List of announced prefixes for route family: " << route_family << std::endl << std::endl;
+ while (destinations_list->Read(&current_destination)) {
+ std::cout << "Prefix: " << current_destination.prefix() << std::endl;
+
+ //std::cout << "Paths size: " << current_destination.paths_size() << std::endl;
+
+ gobgpapi::Path my_path = current_destination.paths(0);
+
+ // std::cout << "Pattrs size: " << my_path.pattrs_size() << std::endl;
+
+ buf my_nlri;
+ my_nlri.value = (char*)my_path.nlri().c_str();
+ my_nlri.len = my_path.nlri().size();
+
+ path_t gobgp_lib_path;
+ gobgp_lib_path.nlri = my_nlri;
+ // Not used in library code!
+ gobgp_lib_path.path_attributes_cap = 0;
+ gobgp_lib_path.path_attributes_len = my_path.pattrs_size();
+
+ buf* my_path_attributes[ my_path.pattrs_size() ];
+ for (int i = 0; i < my_path.pattrs_size(); i++) {
+ my_path_attributes[i] = (buf*)malloc(sizeof(buf));
+ my_path_attributes[i]->len = my_path.pattrs(i).size();
+ my_path_attributes[i]->value = (char*)my_path.pattrs(i).c_str();
+ }
+
+ gobgp_lib_path.path_attributes = my_path_attributes;
+
+ std::cout << "NLRI: " << decode_path(&gobgp_lib_path) << std::endl;
+ }
+
+ Status status = destinations_list->Finish();
+ if (!status.ok()) {
+ // error_message
+ std::cout << "Problem with RPC: " << status.error_code() << " message " << status.error_message() << std::endl;
+ } else {
+ // std::cout << "RPC working well" << std::endl;
+ }
+ }
+
+ void AnnounceFlowSpecPrefix() {
+ const gobgpapi::ModPathArguments current_mod_path_arguments;
+
+ unsigned int AFI_IP = 1;
+ unsigned int SAFI_FLOW_SPEC_UNICAST = 133;
+ unsigned int ipv4_flow_spec_route_family = AFI_IP<<16 | SAFI_FLOW_SPEC_UNICAST;
+
+ gobgpapi::Path* current_path = new gobgpapi::Path;
+ // If you want withdraw, please use it
+ // current_path->set_is_withdraw(true);
+
+ /*
+ buf:
+ char *value;
+ int len;
+
+ path:
+ buf nlri;
+ buf** path_attributes;
+ int path_attributes_len;
+ int path_attributes_cap;
+ */
+
+ path* path_c_struct = serialize_path(ipv4_flow_spec_route_family, (char*)"match destination 10.0.0.0/24 protocol tcp source 20.0.0.0/24 then redirect 10:10");
+
+ // printf("Decoded NLRI output: %s, length %d raw string length: %d\n", decode_path(path_c_struct), path_c_struct->nlri.len, strlen(path_c_struct->nlri.value));
+
+ for (int path_attribute_number = 0; path_attribute_number < path_c_struct->path_attributes_len; path_attribute_number++) {
+ current_path->add_pattrs(path_c_struct->path_attributes[path_attribute_number]->value,
+ path_c_struct->path_attributes[path_attribute_number]->len);
+ }
+
+ current_path->set_nlri(path_c_struct->nlri.value, path_c_struct->nlri.len);
+
+ gobgpapi::ModPathArguments request;
+ request.set_resource(gobgpapi::Resource::GLOBAL);
+
+ google::protobuf::RepeatedPtrField< ::gobgpapi::Path >* current_path_list = request.mutable_paths();
+ current_path_list->AddAllocated(current_path);
+ request.set_name("");
+
+ ClientContext context;
+
+ gobgpapi::Error return_error;
+
+ // result is a std::unique_ptr<grpc::ClientWriter<gobgpapi::ModPathArguments> >
+ auto send_stream = stub_->ModPath(&context, &return_error);
+
+ bool write_result = send_stream->Write(request);
+
+ if (!write_result) {
+ std::cout << "Write to API failed\n";
+ }
+
+ // Finish all writes
+ send_stream->WritesDone();
+
+ auto status = send_stream->Finish();
+
+ if (status.ok()) {
+ //std::cout << "modpath executed correctly" << std::cout;
+ } else {
+ std::cout << "modpath failed with code: " << status.error_code()
+ << " message " << status.error_message() << std::endl;
+ }
+ }
+
+ void AnnounceUnicastPrefix() {
+ const gobgpapi::ModPathArguments current_mod_path_arguments;
+
+ unsigned int AFI_IP = 1;
+ unsigned int SAFI_UNICAST = 1;
+ unsigned int ipv4_unicast_route_family = AFI_IP<<16 | SAFI_UNICAST;
+
+ gobgpapi::Path* current_path = new gobgpapi::Path;
+ // If you want withdraw, please use it
+ // current_path->set_is_withdraw(true);
+
+ /*
+ buf:
+ char *value;
+ int len;
+
+ path:
+ buf nlri;
+ buf** path_attributes;
+ int path_attributes_len;
+ int path_attributes_cap;
+ */
+
+ // 10.10.20.33/22 nexthop 10.10.1.99/32
+ path* path_c_struct = serialize_path(ipv4_unicast_route_family, (char*)"10.10.20.33/22");
+
+ // printf("Decoded NLRI output: %s, length %d raw string length: %d\n", decode_path(path_c_struct), path_c_struct->nlri.len, strlen(path_c_struct->nlri.value));
+
+ for (int path_attribute_number = 0; path_attribute_number < path_c_struct->path_attributes_len; path_attribute_number++) {
+ current_path->add_pattrs(path_c_struct->path_attributes[path_attribute_number]->value,
+ path_c_struct->path_attributes[path_attribute_number]->len);
+ }
+
+ current_path->set_nlri(path_c_struct->nlri.value, path_c_struct->nlri.len);
+
+ gobgpapi::ModPathArguments request;
+ request.set_resource(gobgpapi::Resource::GLOBAL);
+ google::protobuf::RepeatedPtrField< ::gobgpapi::Path >* current_path_list = request.mutable_paths();
+ current_path_list->AddAllocated(current_path);
+ request.set_name("");
+
+ ClientContext context;
+
+ gobgpapi::Error return_error;
+
+ // result is a std::unique_ptr<grpc::ClientWriter<api::ModPathArguments> >
+ auto send_stream = stub_->ModPath(&context, &return_error);
+
+ bool write_result = send_stream->Write(request);
+
+ if (!write_result) {
+ std::cout << "Write to API failed\n";
+ }
+
+ // Finish all writes
+ send_stream->WritesDone();
+
+ auto status = send_stream->Finish();
+
+ if (status.ok()) {
+ //std::cout << "modpath executed correctly" << std::cout;
+ } else {
+ std::cout << "modpath failed with code: " << status.error_code()
+ << " message " << status.error_message() << std::endl;
+ }
+ }
std::string GetAllNeighbor(std::string neighbor_ip) {
- api::Arguments request;
- request.set_rf(4);
- request.set_name(neighbor_ip);
+ gobgpapi::Arguments request;
+ request.set_rf(4);
+ request.set_name(neighbor_ip);
- ClientContext context;
+ ClientContext context;
- api::Peer peer;
- grpc::Status status = stub_->GetNeighbor(&context, request, &peer);
+ gobgpapi::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();
+ if (status.ok()) {
+ gobgpapi::PeerConf peer_conf = peer.conf();
+ gobgpapi::PeerInfo peer_info = peer.info();
- std::stringstream buffer;
+ 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";
- }
+ 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_;
+ std::unique_ptr<GobgpApi::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;
+ //std::string reply = gobgp_client.GetAllNeighbor("213.133.111.200");
+ //std::cout << "We received: " << reply << std::endl;
+
+ gobgp_client.AnnounceUnicastPrefix();
+
+ gobgp_client.AnnounceFlowSpecPrefix();
+
+ unsigned int AFI_IP = 1;
+ unsigned int SAFI_UNICAST = 1;
+ unsigned int SAFI_FLOW_SPEC_UNICAST = 133;
+
+ unsigned int ipv4_unicast_route_family = AFI_IP<<16 | SAFI_UNICAST;
+ unsigned int ipv4_flow_spec_route_family = AFI_IP<<16 | SAFI_FLOW_SPEC_UNICAST;
+
+ gobgp_client.GetAllActiveAnnounces(ipv4_unicast_route_family);
+ std::cout << std::endl << std::endl;
+ gobgp_client.GetAllActiveAnnounces(ipv4_flow_spec_route_family);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 04:58:24 +0000