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https://issues.apache.org/jira/browse/PROTON-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577925#comment-17577925
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ASF GitHub Bot commented on PROTON-2487:
----------------------------------------
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.
> [cpp] Implement distributed tracing
> -----------------------------------
>
> Key: PROTON-2487
> URL: https://issues.apache.org/jira/browse/PROTON-2487
> Project: Qpid Proton
> Issue Type: New Feature
> Components: cpp-binding
> Affects Versions: proton-c-0.37.0
> Reporter: Rakhi Kumari
> Assignee: Rakhi Kumari
> Priority: Major
> Fix For: proton-c-0.38.0
>
>
> Implement distributed tracing using opentelemetry.
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