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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sstream>
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#include <grpc++/client_context.h>
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#include "examples/pubsub/publisher.h"
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using tech::pubsub::Topic;
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using tech::pubsub::DeleteTopicRequest;
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using tech::pubsub::GetTopicRequest;
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using tech::pubsub::PublisherService;
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using tech::pubsub::ListTopicsRequest;
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using tech::pubsub::ListTopicsResponse;
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using tech::pubsub::PublishRequest;
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using tech::pubsub::PubsubMessage;
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namespace grpc {
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namespace examples {
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namespace pubsub {
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Publisher::Publisher(std::shared_ptr<ChannelInterface> channel)
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: stub_(PublisherService::NewStub(channel)) {}
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void Publisher::Shutdown() { stub_.reset(); }
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Status Publisher::CreateTopic(const grpc::string& topic) {
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Topic request;
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Topic response;
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request.set_name(topic);
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ClientContext context;
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return stub_->CreateTopic(&context, request, &response);
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}
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Status Publisher::ListTopics(const grpc::string& project_id,
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std::vector<grpc::string>* topics) {
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ListTopicsRequest request;
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ListTopicsResponse response;
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ClientContext context;
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std::ostringstream ss;
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ss << "cloud.googleapis.com/project in (/projects/" << project_id << ")";
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request.set_query(ss.str());
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Status s = stub_->ListTopics(&context, request, &response);
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tech::pubsub::Topic topic;
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for (int i = 0; i < response.topic_size(); i++) {
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topic = response.topic(i);
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topics->push_back(topic.name());
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}
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return s;
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}
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Status Publisher::GetTopic(const grpc::string& topic) {
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GetTopicRequest request;
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Topic response;
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ClientContext context;
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request.set_topic(topic);
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return stub_->GetTopic(&context, request, &response);
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}
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Status Publisher::DeleteTopic(const grpc::string& topic) {
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DeleteTopicRequest request;
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proto2::Empty response;
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ClientContext context;
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request.set_topic(topic);
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return stub_->DeleteTopic(&context, request, &response);
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}
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Status Publisher::Publish(const grpc::string& topic, const grpc::string& data) {
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PublishRequest request;
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proto2::Empty response;
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ClientContext context;
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request.mutable_message()->set_data(data);
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request.set_topic(topic);
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return stub_->Publish(&context, request, &response);
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}
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} // namespace pubsub
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} // namespace examples
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} // namespace grpc
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