mirror of https://github.com/grpc/grpc.git
Merge pull request #341 from chen-wang/master
Implement full logic of publish and subscribepull/366/head
Yang Gao
10 years ago
commit
51d77166d2
13 changed files with 709 additions and 46 deletions
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/*
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* |
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* Copyright 2014, 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 <grpc++/client_context.h> |
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#include "examples/tips/subscriber.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::SubscriberService; |
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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 tips { |
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Subscriber::Subscriber(std::shared_ptr<ChannelInterface> channel) |
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: stub_(SubscriberService::NewStub(channel)) { |
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} |
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void Subscriber::Shutdown() { |
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stub_.reset(); |
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} |
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Status Subscriber::CreateSubscription(const grpc::string& topic, |
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const grpc::string& name) { |
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tech::pubsub::Subscription request; |
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tech::pubsub::Subscription response; |
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ClientContext context; |
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request.set_topic(topic); |
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request.set_name(name); |
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return stub_->CreateSubscription(&context, request, &response); |
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} |
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Status Subscriber::GetSubscription(const grpc::string& name, |
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grpc::string* topic) { |
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tech::pubsub::GetSubscriptionRequest request; |
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tech::pubsub::Subscription response; |
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ClientContext context; |
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request.set_subscription(name); |
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Status s = stub_->GetSubscription(&context, request, &response); |
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*topic = response.topic(); |
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return s; |
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} |
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Status Subscriber::DeleteSubscription(const grpc::string& name) { |
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tech::pubsub::DeleteSubscriptionRequest request; |
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proto2::Empty response; |
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ClientContext context; |
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request.set_subscription(name); |
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return stub_->DeleteSubscription(&context, request, &response); |
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} |
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Status Subscriber::Pull(const grpc::string& name, grpc::string* data) { |
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tech::pubsub::PullRequest request; |
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tech::pubsub::PullResponse response; |
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ClientContext context; |
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request.set_subscription(name); |
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Status s = stub_->Pull(&context, request, &response); |
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if (s.IsOk()) { |
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tech::pubsub::PubsubEvent event = response.pubsub_event(); |
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if (event.has_message()) { |
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*data = event.message().data(); |
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} |
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tech::pubsub::AcknowledgeRequest ack; |
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proto2::Empty empty; |
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ClientContext ack_context; |
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ack.set_subscription(name); |
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ack.add_ack_id(response.ack_id()); |
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stub_->Acknowledge(&ack_context, ack, &empty); |
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} |
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return s; |
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} |
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} // namespace tips
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} // namespace examples
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} // namespace grpc
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@ -0,0 +1,68 @@ |
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/*
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* |
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* Copyright 2014, 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 |
||||
* in the documentation and/or other materials provided with the |
||||
* distribution. |
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* * 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. |
||||
* |
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* 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, |
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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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#ifndef __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_ |
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#define __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_ |
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#include <grpc++/channel_interface.h> |
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#include <grpc++/status.h> |
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#include "examples/tips/pubsub.pb.h" |
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namespace grpc { |
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namespace examples { |
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namespace tips { |
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class Subscriber { |
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public: |
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Subscriber(std::shared_ptr<ChannelInterface> channel); |
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void Shutdown(); |
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Status CreateSubscription(const grpc::string& topic, |
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const grpc::string& name); |
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Status GetSubscription(const grpc::string& name, grpc::string* topic); |
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Status DeleteSubscription(const grpc::string& name); |
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Status Pull(const grpc::string& name, grpc::string* data); |
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private: |
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std::unique_ptr<tech::pubsub::SubscriberService::Stub> stub_; |
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}; |
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} // namespace tips
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} // namespace examples
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} // namespace grpc
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#endif // __GRPCPP_EXAMPLES_TIPS_SUBSCRIBER_H_
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@ -0,0 +1,157 @@ |
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/*
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* |
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* Copyright 2014, 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 |
||||
* 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. |
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* * 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. |
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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 |
||||
* 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, |
||||
* 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 |
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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 <grpc++/channel_arguments.h> |
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#include <grpc++/channel_interface.h> |
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#include <grpc++/client_context.h> |
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#include <grpc++/create_channel.h> |
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#include <grpc++/server.h> |
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#include <grpc++/server_builder.h> |
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#include <grpc++/server_context.h> |
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#include <grpc++/status.h> |
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#include <gtest/gtest.h> |
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#include "examples/tips/subscriber.h" |
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#include "test/core/util/port.h" |
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#include "test/core/util/test_config.h" |
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namespace grpc { |
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namespace testing { |
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namespace { |
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const char kTopic[] = "test topic"; |
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const char kSubscriptionName[] = "subscription name"; |
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const char kData[] = "Message data"; |
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class SubscriberServiceImpl : public tech::pubsub::SubscriberService::Service { |
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public: |
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Status CreateSubscription(ServerContext* context, |
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const tech::pubsub::Subscription* request, |
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tech::pubsub::Subscription* response) override { |
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EXPECT_EQ(request->topic(), kTopic); |
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EXPECT_EQ(request->name(), kSubscriptionName); |
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return Status::OK; |
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} |
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Status GetSubscription(ServerContext* context, |
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const tech::pubsub::GetSubscriptionRequest* request, |
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tech::pubsub::Subscription* response) override { |
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EXPECT_EQ(request->subscription(), kSubscriptionName); |
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response->set_topic(kTopic); |
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return Status::OK; |
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} |
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Status DeleteSubscription( |
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ServerContext* context, |
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const tech::pubsub::DeleteSubscriptionRequest* request, |
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proto2::Empty* response) override { |
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EXPECT_EQ(request->subscription(), kSubscriptionName); |
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return Status::OK; |
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} |
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Status Pull(ServerContext* context, |
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const tech::pubsub::PullRequest* request, |
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tech::pubsub::PullResponse* response) override { |
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EXPECT_EQ(request->subscription(), kSubscriptionName); |
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response->set_ack_id("1"); |
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response->mutable_pubsub_event()->mutable_message()->set_data(kData); |
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return Status::OK; |
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} |
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Status Acknowledge(ServerContext* context, |
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const tech::pubsub::AcknowledgeRequest* request, |
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proto2::Empty* response) override { |
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return Status::OK; |
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} |
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}; |
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class SubscriberTest : public ::testing::Test { |
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protected: |
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// Setup a server and a client for SubscriberService.
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void SetUp() override { |
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int port = grpc_pick_unused_port_or_die(); |
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server_address_ << "localhost:" << port; |
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ServerBuilder builder; |
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builder.AddPort(server_address_.str()); |
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builder.RegisterService(service_.service()); |
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server_ = builder.BuildAndStart(); |
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channel_ = CreateChannel(server_address_.str(), ChannelArguments()); |
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subscriber_.reset(new grpc::examples::tips::Subscriber(channel_)); |
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} |
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void TearDown() override { |
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server_->Shutdown(); |
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subscriber_->Shutdown(); |
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} |
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std::ostringstream server_address_; |
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std::unique_ptr<Server> server_; |
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SubscriberServiceImpl service_; |
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std::shared_ptr<ChannelInterface> channel_; |
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std::unique_ptr<grpc::examples::tips::Subscriber> subscriber_; |
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}; |
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TEST_F(SubscriberTest, TestSubscriber) { |
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EXPECT_TRUE(subscriber_->CreateSubscription(kTopic, |
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kSubscriptionName).IsOk()); |
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grpc::string topic; |
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EXPECT_TRUE(subscriber_->GetSubscription(kSubscriptionName, |
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&topic).IsOk()); |
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EXPECT_EQ(topic, kTopic); |
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grpc::string data; |
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EXPECT_TRUE(subscriber_->Pull(kSubscriptionName, |
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&data).IsOk()); |
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EXPECT_TRUE(subscriber_->DeleteSubscription(kSubscriptionName).IsOk()); |
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} |
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} // namespace
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} // namespace testing
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} // namespace grpc
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int main(int argc, char** argv) { |
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grpc_test_init(argc, argv); |
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grpc_init(); |
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::testing::InitGoogleTest(&argc, argv); |
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gpr_log(GPR_INFO, "Start test ..."); |
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int result = RUN_ALL_TESTS(); |
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grpc_shutdown(); |
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return result; |
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} |
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