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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#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<Channel> 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
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