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#include <sstream>
#include <grpc++/client_context.h>
#include "examples/pubsub/publisher.h"
using tech::pubsub::Topic;
using tech::pubsub::DeleteTopicRequest;
using tech::pubsub::GetTopicRequest;
using tech::pubsub::PublisherService;
using tech::pubsub::ListTopicsRequest;
using tech::pubsub::ListTopicsResponse;
using tech::pubsub::PublishRequest;
using tech::pubsub::PubsubMessage;
namespace grpc {
namespace examples {
namespace pubsub {
Publisher::Publisher(std::shared_ptr<ChannelInterface> channel)
: stub_(PublisherService::NewStub(channel)) {
}
void Publisher::Shutdown() {
stub_.reset();
}
Status Publisher::CreateTopic(const grpc::string& topic) {
Topic request;
Topic response;
request.set_name(topic);
ClientContext context;
return stub_->CreateTopic(&context, request, &response);
}
Status Publisher::ListTopics(const grpc::string& project_id,
std::vector<grpc::string>* topics) {
ListTopicsRequest request;
ListTopicsResponse response;
ClientContext context;
std::ostringstream ss;
ss << "cloud.googleapis.com/project in (/projects/" << project_id << ")";
request.set_query(ss.str());
Status s = stub_->ListTopics(&context, request, &response);
tech::pubsub::Topic topic;
for (int i = 0; i < response.topic_size(); i++) {
topic = response.topic(i);
topics->push_back(topic.name());
}
return s;
}
Status Publisher::GetTopic(const grpc::string& topic) {
GetTopicRequest request;
Topic response;
ClientContext context;
request.set_topic(topic);
return stub_->GetTopic(&context, request, &response);
}
Status Publisher::DeleteTopic(const grpc::string& topic) {
DeleteTopicRequest request;
proto2::Empty response;
ClientContext context;
request.set_topic(topic);
return stub_->DeleteTopic(&context, request, &response);
}
Status Publisher::Publish(const grpc::string& topic, const grpc::string& data) {
PublishRequest request;
proto2::Empty response;
ClientContext context;
request.mutable_message()->set_data(data);
request.set_topic(topic);
return stub_->Publish(&context, request, &response);
}
} // namespace pubsub
} // namespace examples
} // namespace grpc