input/releases/qpid-proton-0.21.0/proton/cpp/examples/server_direct.cpp.html.in

<h1>server_direct.cpp</h1>
<div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">&quot;options.hpp&quot;</span><span class="cp"></span>

<span class="cp">#include</span> <span class="cpf">&lt;proton/container.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/listen_handler.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/listener.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/message.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/message_id.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/messaging_handler.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/sender.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/sender_options.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/source_options.hpp&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;proton/tracker.hpp&gt;</span><span class="cp"></span>

<span class="cp">#include</span> <span class="cpf">&lt;iostream&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;map&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;string&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;sstream&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;cctype&gt;</span><span class="cp"></span>

<span class="cp">#include</span> <span class="cpf">&quot;fake_cpp11.hpp&quot;</span><span class="cp"></span>

<span class="k">class</span> <span class="nc">server</span> <span class="o">:</span> <span class="k">public</span> <span class="n">proton</span><span class="o">::</span><span class="n">messaging_handler</span> <span class="p">{</span>
  <span class="k">private</span><span class="o">:</span>
    <span class="k">class</span> <span class="nc">listener_ready_handler</span> <span class="o">:</span> <span class="k">public</span> <span class="n">proton</span><span class="o">::</span><span class="n">listen_handler</span> <span class="p">{</span>
        <span class="kt">void</span> <span class="n">on_open</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">listener</span><span class="o">&amp;</span> <span class="n">l</span><span class="p">)</span> <span class="n">OVERRIDE</span> <span class="p">{</span>
            <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="s">&quot;listening on &quot;</span> <span class="o">&lt;&lt;</span> <span class="n">l</span><span class="p">.</span><span class="n">port</span><span class="p">()</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
        <span class="p">}</span>
    <span class="p">};</span>

    <span class="k">typedef</span> <span class="n">std</span><span class="o">::</span><span class="n">map</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="p">,</span> <span class="n">proton</span><span class="o">::</span><span class="n">sender</span><span class="o">&gt;</span> <span class="n">sender_map</span><span class="p">;</span>
    <span class="n">listener_ready_handler</span> <span class="n">listen_handler</span><span class="p">;</span>
    <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">url</span><span class="p">;</span>
    <span class="n">sender_map</span> <span class="n">senders</span><span class="p">;</span>
    <span class="kt">int</span> <span class="n">address_counter</span><span class="p">;</span>

  <span class="k">public</span><span class="o">:</span>
    <span class="n">server</span><span class="p">(</span><span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="o">&amp;</span><span class="n">u</span><span class="p">)</span> <span class="o">:</span> <span class="n">url</span><span class="p">(</span><span class="n">u</span><span class="p">),</span> <span class="n">address_counter</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="p">{}</span>

    <span class="kt">void</span> <span class="n">on_container_start</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">container</span> <span class="o">&amp;</span><span class="n">c</span><span class="p">)</span> <span class="n">OVERRIDE</span> <span class="p">{</span>
        <span class="n">c</span><span class="p">.</span><span class="n">listen</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">listen_handler</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">to_upper</span><span class="p">(</span><span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="o">&amp;</span><span class="n">s</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">uc</span><span class="p">(</span><span class="n">s</span><span class="p">);</span>
        <span class="kt">size_t</span> <span class="n">l</span> <span class="o">=</span> <span class="n">uc</span><span class="p">.</span><span class="n">size</span><span class="p">();</span>

        <span class="k">for</span> <span class="p">(</span><span class="kt">size_t</span> <span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="n">i</span><span class="o">&lt;</span><span class="n">l</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span>
            <span class="n">uc</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="k">static_cast</span><span class="o">&lt;</span><span class="kt">char</span><span class="o">&gt;</span><span class="p">(</span><span class="n">std</span><span class="o">::</span><span class="n">toupper</span><span class="p">(</span><span class="n">uc</span><span class="p">[</span><span class="n">i</span><span class="p">]));</span>

        <span class="k">return</span> <span class="n">uc</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">generate_address</span><span class="p">()</span> <span class="p">{</span>
        <span class="n">std</span><span class="o">::</span><span class="n">ostringstream</span> <span class="n">addr</span><span class="p">;</span>
        <span class="n">addr</span> <span class="o">&lt;&lt;</span> <span class="s">&quot;server&quot;</span> <span class="o">&lt;&lt;</span> <span class="n">address_counter</span><span class="o">++</span><span class="p">;</span>

        <span class="k">return</span> <span class="n">addr</span><span class="p">.</span><span class="n">str</span><span class="p">();</span>
    <span class="p">}</span>

    <span class="kt">void</span> <span class="n">on_sender_open</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">sender</span> <span class="o">&amp;</span><span class="n">sender</span><span class="p">)</span> <span class="n">OVERRIDE</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">sender</span><span class="p">.</span><span class="n">source</span><span class="p">().</span><span class="n">dynamic</span><span class="p">())</span> <span class="p">{</span>
            <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">addr</span> <span class="o">=</span> <span class="n">generate_address</span><span class="p">();</span>
            <span class="n">sender</span><span class="p">.</span><span class="n">open</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">sender_options</span><span class="p">().</span><span class="n">source</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">source_options</span><span class="p">().</span><span class="n">address</span><span class="p">(</span><span class="n">addr</span><span class="p">)));</span>
            <span class="n">senders</span><span class="p">[</span><span class="n">addr</span><span class="p">]</span> <span class="o">=</span> <span class="n">sender</span><span class="p">;</span>
        <span class="p">}</span>
    <span class="p">}</span>

    <span class="kt">void</span> <span class="n">on_message</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">delivery</span> <span class="o">&amp;</span><span class="p">,</span> <span class="n">proton</span><span class="o">::</span><span class="n">message</span> <span class="o">&amp;</span><span class="n">m</span><span class="p">)</span> <span class="n">OVERRIDE</span> <span class="p">{</span>
        <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="s">&quot;Received &quot;</span> <span class="o">&lt;&lt;</span> <span class="n">m</span><span class="p">.</span><span class="n">body</span><span class="p">()</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>

        <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">reply_to</span> <span class="o">=</span> <span class="n">m</span><span class="p">.</span><span class="n">reply_to</span><span class="p">();</span>
        <span class="n">sender_map</span><span class="o">::</span><span class="n">iterator</span> <span class="n">it</span> <span class="o">=</span> <span class="n">senders</span><span class="p">.</span><span class="n">find</span><span class="p">(</span><span class="n">reply_to</span><span class="p">);</span>

        <span class="k">if</span> <span class="p">(</span><span class="n">it</span> <span class="o">==</span> <span class="n">senders</span><span class="p">.</span><span class="n">end</span><span class="p">())</span> <span class="p">{</span>
            <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="s">&quot;No link for reply_to: &quot;</span> <span class="o">&lt;&lt;</span> <span class="n">reply_to</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="n">proton</span><span class="o">::</span><span class="n">sender</span> <span class="n">sender</span> <span class="o">=</span> <span class="n">it</span><span class="o">-&gt;</span><span class="n">second</span><span class="p">;</span>
            <span class="n">proton</span><span class="o">::</span><span class="n">message</span> <span class="n">reply</span><span class="p">;</span>

            <span class="n">reply</span><span class="p">.</span><span class="n">to</span><span class="p">(</span><span class="n">reply_to</span><span class="p">);</span>
            <span class="n">reply</span><span class="p">.</span><span class="n">body</span><span class="p">(</span><span class="n">to_upper</span><span class="p">(</span><span class="n">proton</span><span class="o">::</span><span class="n">get</span><span class="o">&lt;</span><span class="n">std</span><span class="o">::</span><span class="n">string</span><span class="o">&gt;</span><span class="p">(</span><span class="n">m</span><span class="p">.</span><span class="n">body</span><span class="p">())));</span>
            <span class="n">reply</span><span class="p">.</span><span class="n">correlation_id</span><span class="p">(</span><span class="n">m</span><span class="p">.</span><span class="n">correlation_id</span><span class="p">());</span>

            <span class="n">sender</span><span class="p">.</span><span class="n">send</span><span class="p">(</span><span class="n">reply</span><span class="p">);</span>
        <span class="p">}</span>
    <span class="p">}</span>
<span class="p">};</span>

<span class="kt">int</span> <span class="nf">main</span><span class="p">(</span><span class="kt">int</span> <span class="n">argc</span><span class="p">,</span> <span class="kt">char</span> <span class="o">**</span><span class="n">argv</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">address</span><span class="p">(</span><span class="s">&quot;amqp://127.0.0.1:5672/examples&quot;</span><span class="p">);</span>
    <span class="n">example</span><span class="o">::</span><span class="n">options</span> <span class="n">opts</span><span class="p">(</span><span class="n">argc</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span>

    <span class="n">opts</span><span class="p">.</span><span class="n">add_value</span><span class="p">(</span><span class="n">address</span><span class="p">,</span> <span class="sc">&#39;a&#39;</span><span class="p">,</span> <span class="s">&quot;address&quot;</span><span class="p">,</span> <span class="s">&quot;listen on URL&quot;</span><span class="p">,</span> <span class="s">&quot;URL&quot;</span><span class="p">);</span>

    <span class="k">try</span> <span class="p">{</span>
        <span class="n">opts</span><span class="p">.</span><span class="n">parse</span><span class="p">();</span>

        <span class="n">server</span> <span class="n">srv</span><span class="p">(</span><span class="n">address</span><span class="p">);</span>
        <span class="n">proton</span><span class="o">::</span><span class="n">container</span><span class="p">(</span><span class="n">srv</span><span class="p">).</span><span class="n">run</span><span class="p">();</span>

        <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="k">const</span> <span class="n">example</span><span class="o">::</span><span class="n">bad_option</span><span class="o">&amp;</span> <span class="n">e</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">std</span><span class="o">::</span><span class="n">cout</span> <span class="o">&lt;&lt;</span> <span class="n">opts</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span> <span class="o">&lt;&lt;</span> <span class="n">e</span><span class="p">.</span><span class="n">what</span><span class="p">()</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="k">const</span> <span class="n">std</span><span class="o">::</span><span class="n">exception</span><span class="o">&amp;</span> <span class="n">e</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">std</span><span class="o">::</span><span class="n">cerr</span> <span class="o">&lt;&lt;</span> <span class="n">e</span><span class="p">.</span><span class="n">what</span><span class="p">()</span> <span class="o">&lt;&lt;</span> <span class="n">std</span><span class="o">::</span><span class="n">endl</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="k">return</span> <span class="mi">1</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>

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