DreamPearl commented on code in PR #355: URL: https://github.com/apache/qpid-proton/pull/355#discussion_r942313428
########## cpp/examples/tracing_server.cpp: ########## @@ -0,0 +1,143 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ + +#include "options.hpp" +#include <proton/connection.hpp> +#include <proton/container.hpp> +#include <proton/message.hpp> +#include <proton/message_id.hpp> +#include <proton/messaging_handler.hpp> + +#include <proton/tracing.hpp> + +#include <iostream> +#include <map> +#include <string> +#include <cctype> + +#include <opentelemetry/sdk/trace/simple_processor.h> +#include <opentelemetry/sdk/trace/tracer_provider.h> +#include <opentelemetry/trace/provider.h> +#include <opentelemetry/nostd/unique_ptr.h> +#include <opentelemetry/exporters/jaeger/jaeger_exporter.h> +#include <opentelemetry/exporters/ostream/span_exporter.h> +#include <opentelemetry/sdk/resource/resource.h> + +#include <opentelemetry/trace/span.h> +#include <opentelemetry/trace/tracer.h> +#include <opentelemetry/trace/context.h> + +opentelemetry::nostd::shared_ptr<opentelemetry::trace::TracerProvider> provider; + +class server : public proton::messaging_handler { + std::string conn_url_; + std::string addr_; + proton::connection conn_; + std::map<std::string, proton::sender> senders_; + + public: + server(const std::string& u, const std::string& a) : + conn_url_(u), addr_(a) {} + + void on_container_start(proton::container& c) override { + conn_ = c.connect(conn_url_); + conn_.open_receiver(addr_); + + std::cout << "Server connected to " << conn_url_ << std::endl; + } + + std::string to_upper(const std::string& s) { + std::string uc(s); + size_t l = uc.size(); + + for (size_t i=0; i<l; i++) { + uc[i] = static_cast<char>(std::toupper(uc[i])); + } + + return uc; + } + + void on_message(proton::delivery&, proton::message& m) override { + + opentelemetry::nostd::shared_ptr<opentelemetry::trace::Tracer> tracer = provider->GetTracer("qpid-tracer", OPENTELEMETRY_SDK_VERSION); + opentelemetry::nostd::shared_ptr<opentelemetry::trace::Span> s = tracer->StartSpan("server-on-message", + {{"Delivery_tag", "delivery_tag"}, {"Destination_address", "t_addr"}}); + + opentelemetry::trace::Scope sc = tracer->WithActiveSpan(s); + + std::cout << "Received " << m.body() << std::endl; + + std::string reply_to = m.reply_to(); + proton::message reply; + + reply.to(reply_to); + reply.body(to_upper(proton::get<std::string>(m.body()))); + reply.correlation_id(m.correlation_id()); + + if (!senders_[reply_to]) { + senders_[reply_to] = conn_.open_sender(reply_to); + } + + senders_[reply_to].send(reply); + } +}; + +int main(int argc, char** argv) { + try { + std::string conn_url = argc > 1 ? argv[1] : "//127.0.0.1:5672"; + std::string addr = argc > 2 ? argv[2] : "examples"; + std::string t = argc > 3 ? argv[3] : "doesnotmatter"; + + opentelemetry::exporter::jaeger::JaegerExporterOptions opts; + + // Initialize Jaeger Exporter + std::unique_ptr<opentelemetry::sdk::trace::SpanExporter> exporter = std::unique_ptr<opentelemetry::sdk::trace::SpanExporter>( + new opentelemetry::exporter::jaeger::JaegerExporter(opts)); + + auto resource_attributes = opentelemetry::sdk::resource::ResourceAttributes + { + {"service.name", "qpid-server"} + }; + + auto resource = opentelemetry::sdk::resource::Resource::Create(resource_attributes); + + auto processor = std::unique_ptr<opentelemetry::sdk::trace::SpanProcessor>( + new opentelemetry::sdk::trace::SimpleSpanProcessor(std::move(exporter))); + provider = opentelemetry::nostd::shared_ptr<opentelemetry::trace::TracerProvider>( + new opentelemetry::sdk::trace::TracerProvider(std::move(processor), resource)); + + // Set the global trace provider + opentelemetry::trace::Provider::SetTracerProvider(provider); + + // Enable tracing in proton cpp + if (t == "tracing") Review Comment: Note: No longer need this line as this example is solely for demonstrating tracing in proton. Same for the tracing_client. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
