Qpid Proton C++ API  0.18.1
server.cpp

The server part of a request-response example, that receives requests via the examples node, converts the body to uppercase and sends the result back to the indicated reply address.

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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*/
#include <iostream>
#include <map>
#include <string>
#include <cctype>
#include "fake_cpp11.hpp"
class server : public proton::messaging_handler {
std::string conn_url_;
std::string addr_;
std::map<std::string, proton::sender> senders_;
public:
server(const std::string& u, const std::string& a) :
conn_url_(u), addr_(a) {}
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;
}
std::cout << "Received " << m.body() << std::endl;
std::string reply_to = m.reply_to();
reply.to(reply_to);
reply.body(to_upper(proton::get<std::string>(m.body())));
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";
server srv(conn_url, addr);
return 0;
} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
}
return 1;
}