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| <p>Subscribes to the 'examples' node on an intermediary accessible on 127.0.0.1:5672. Simply prints out the body of received messages.</p> |
| <div class="fragment"><div class="line"><span class="comment">/*</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div><div class="line"><span class="comment"> * distributed with this work for additional information</span></div><div class="line"><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div><div class="line"><span class="comment"> * "License"); you may not use this file except in compliance</span></div><div class="line"><span class="comment"> * with the License. You may obtain a copy of the License at</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div><div class="line"><span class="comment"> * software distributed under the License is distributed on an</span></div><div class="line"><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><span class="comment"> * KIND, either express or implied. See the License for the</span></div><div class="line"><span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><span class="comment"> * under the License.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> */</span></div><div class="line"></div><div class="line"><span class="preprocessor">#include "options.hpp"</span></div><div class="line"></div><div class="line"><span class="preprocessor">#include <<a class="code" href="connection_8hpp.html">proton/connection.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="connection__options_8hpp.html">proton/connection_options.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="container_8hpp.html">proton/container.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="delivery_8hpp.html">proton/delivery.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="link_8hpp.html">proton/link.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="message_8hpp.html">proton/message.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="message__id_8hpp.html">proton/message_id.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="messaging__handler_8hpp.html">proton/messaging_handler.hpp</a>></span></div><div class="line"><span class="preprocessor">#include <<a class="code" href="value_8hpp.html">proton/value.hpp</a>></span></div><div class="line"></div><div class="line"><span class="preprocessor">#include <iostream></span></div><div class="line"><span class="preprocessor">#include <map></span></div><div class="line"></div><div class="line"><span class="preprocessor">#include "fake_cpp11.hpp"</span></div><div class="line"></div><div class="line"><span class="keyword">class </span>simple_recv : <span class="keyword">public</span> <a name="_a0"></a><a class="code" href="classproton_1_1messaging__handler.html">proton::messaging_handler</a> {</div><div class="line"> <span class="keyword">private</span>:</div><div class="line"> std::string url;</div><div class="line"> std::string user;</div><div class="line"> std::string password;</div><div class="line"> <a name="_a1"></a><a class="code" href="classproton_1_1receiver.html">proton::receiver</a> receiver;</div><div class="line"> <span class="keywordtype">int</span> expected;</div><div class="line"> <span class="keywordtype">int</span> received;</div><div class="line"></div><div class="line"> <span class="keyword">public</span>:</div><div class="line"> simple_recv(<span class="keyword">const</span> std::string &s, <span class="keyword">const</span> std::string &u, <span class="keyword">const</span> std::string &p, <span class="keywordtype">int</span> c) :</div><div class="line"> url(s), user(u), password(p), expected(c), received(0) {}</div><div class="line"></div><div class="line"> <span class="keywordtype">void</span> <a name="a2"></a><a class="code" href="classproton_1_1messaging__handler.html#a9188622c33638e076d2214080129c824">on_container_start</a>(<a name="_a3"></a><a class="code" href="classproton_1_1container.html">proton::container</a> &c) OVERRIDE {</div><div class="line"> <a name="_a4"></a><a class="code" href="classproton_1_1connection__options.html">proton::connection_options</a> co;</div><div class="line"> <span class="keywordflow">if</span> (!user.empty()) co.<a name="a5"></a><a class="code" href="classproton_1_1connection__options.html#a10afa48d580025f71f0a6dd31bd1de24">user</a>(user);</div><div class="line"> <span class="keywordflow">if</span> (!password.empty()) co.<a name="a6"></a><a class="code" href="classproton_1_1connection__options.html#a78a90a1387cf91915dbe39b888955d75">password</a>(password);</div><div class="line"> receiver = c.<a name="a7"></a><a class="code" href="classproton_1_1container.html#a15df75d582af4ed83f0ffab9dcce84bf">open_receiver</a>(url, co);</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordtype">void</span> <a name="a8"></a><a class="code" href="classproton_1_1messaging__handler.html#a584c9daeadf4322801f58e054017fecb">on_message</a>(<a name="_a9"></a><a class="code" href="classproton_1_1delivery.html">proton::delivery</a> &d, <a name="_a10"></a><a class="code" href="classproton_1_1message.html">proton::message</a> &msg) OVERRIDE {</div><div class="line"> <span class="keywordflow">if</span> (!msg.<a name="a11"></a><a class="code" href="classproton_1_1message.html#a84811758e758988a802673edca6b77cb">id</a>().empty() && proton::coerce<int>(msg.<a class="code" href="classproton_1_1message.html#a84811758e758988a802673edca6b77cb">id</a>()) < received) {</div><div class="line"> <span class="keywordflow">return</span>; <span class="comment">// Ignore if no id or duplicate</span></div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> (expected == 0 || received < expected) {</div><div class="line"> std::cout << msg.<a name="a12"></a><a class="code" href="classproton_1_1message.html#ae9af642f154a68ec0eb8e715ecaf95ae">body</a>() << std::endl;</div><div class="line"> received++;</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> (received == expected) {</div><div class="line"> d.<a name="a13"></a><a class="code" href="classproton_1_1delivery.html#aeb4319de46c92afec4ebbb3116d67c39">receiver</a>().<a name="a14"></a><a class="code" href="classproton_1_1link.html#a5ae591df94fc66ccb85cbb6565368bca">close</a>();</div><div class="line"> d.<a name="a15"></a><a class="code" href="classproton_1_1transfer.html#aff302bb6016f2ae29f01bb4e07389a52">connection</a>().<a name="a16"></a><a class="code" href="classproton_1_1connection.html#a5ae591df94fc66ccb85cbb6565368bca">close</a>();</div><div class="line"> }</div><div class="line"> }</div><div class="line"> }</div><div class="line">};</div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div><div class="line"> std::string address(<span class="stringliteral">"127.0.0.1:5672/examples"</span>);</div><div class="line"> std::string user;</div><div class="line"> std::string password;</div><div class="line"> <span class="keywordtype">int</span> message_count = 100;</div><div class="line"> example::options opts(argc, argv);</div><div class="line"></div><div class="line"> opts.add_value(address, <span class="charliteral">'a'</span>, <span class="stringliteral">"address"</span>, <span class="stringliteral">"connect to and receive from URL"</span>, <span class="stringliteral">"URL"</span>);</div><div class="line"> opts.add_value(message_count, <span class="charliteral">'m'</span>, <span class="stringliteral">"messages"</span>, <span class="stringliteral">"receive COUNT messages"</span>, <span class="stringliteral">"COUNT"</span>);</div><div class="line"> opts.add_value(user, <span class="charliteral">'u'</span>, <span class="stringliteral">"user"</span>, <span class="stringliteral">"authenticate as USER"</span>, <span class="stringliteral">"USER"</span>);</div><div class="line"> opts.add_value(password, <span class="charliteral">'p'</span>, <span class="stringliteral">"password"</span>, <span class="stringliteral">"authenticate with PASSWORD"</span>, <span class="stringliteral">"PASSWORD"</span>);</div><div class="line"></div><div class="line"></div><div class="line"> <span class="keywordflow">try</span> {</div><div class="line"> opts.parse();</div><div class="line"></div><div class="line"> simple_recv recv(address, user, password, message_count);</div><div class="line"> <a class="code" href="classproton_1_1container.html">proton::container</a>(recv).<a name="a17"></a><a class="code" href="classproton_1_1container.html#a13a43e6d814de94978c515cb084873b1">run</a>();</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> 0;</div><div class="line"> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> example::bad_option& e) {</div><div class="line"> std::cout << opts << std::endl << e.what() << std::endl;</div><div class="line"> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& e) {</div><div class="line"> std::cerr << e.what() << std::endl;</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> 1;</div><div class="line">}</div></div><!-- fragment --> </div><!-- contents --> |
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