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| <h1>server_direct.py</h1> |
| <div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">uuid</span> |
| <span class="kn">from</span> <span class="nn">proton</span> <span class="kn">import</span> <span class="n">Message</span> |
| <span class="kn">from</span> <span class="nn">proton.handlers</span> <span class="kn">import</span> <span class="n">MessagingHandler</span> |
| <span class="kn">from</span> <span class="nn">proton.reactor</span> <span class="kn">import</span> <span class="n">Container</span> |
| |
| |
| <span class="k">class</span> <span class="nc">Server</span><span class="p">(</span><span class="n">MessagingHandler</span><span class="p">):</span> |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">Server</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">url</span> <span class="o">=</span> <span class="n">url</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">senders</span> <span class="o">=</span> <span class="p">{}</span> |
| |
| <span class="k">def</span> <span class="nf">on_start</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span> |
| <span class="nb">print</span><span class="p">(</span><span class="s2">"Listening on"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">container</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">container</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">acceptor</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">container</span><span class="o">.</span><span class="n">listen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">url</span><span class="p">)</span> |
| |
| <span class="k">def</span> <span class="nf">on_link_opening</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span> |
| <span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">is_sender</span><span class="p">:</span> |
| <span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_source</span> <span class="ow">and</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_source</span><span class="o">.</span><span class="n">dynamic</span><span class="p">:</span> |
| <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">senders</span><span class="p">[</span><span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">address</span><span class="p">]</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span> |
| <span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span> <span class="ow">and</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span><span class="o">.</span><span class="n">address</span><span class="p">:</span> |
| <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">target</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span><span class="o">.</span><span class="n">address</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">senders</span><span class="p">[</span><span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span><span class="o">.</span><span class="n">address</span><span class="p">]</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span> |
| <span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_source</span><span class="p">:</span> |
| <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_source</span><span class="o">.</span><span class="n">address</span> |
| <span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span><span class="p">:</span> |
| <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">target</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">link</span><span class="o">.</span><span class="n">remote_target</span><span class="o">.</span><span class="n">address</span> |
| |
| <span class="k">def</span> <span class="nf">on_message</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span> |
| <span class="nb">print</span><span class="p">(</span><span class="s2">"Received"</span><span class="p">,</span> <span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="p">)</span> |
| <span class="n">sender</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">senders</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="o">.</span><span class="n">reply_to</span><span class="p">)</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">sender</span><span class="p">:</span> |
| <span class="nb">print</span><span class="p">(</span><span class="s2">"No link for reply"</span><span class="p">)</span> |
| <span class="k">return</span> |
| <span class="n">sender</span><span class="o">.</span><span class="n">send</span><span class="p">(</span><span class="n">Message</span><span class="p">(</span><span class="n">address</span><span class="o">=</span><span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="o">.</span><span class="n">reply_to</span><span class="p">,</span> <span class="n">body</span><span class="o">=</span><span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="o">.</span><span class="n">body</span><span class="o">.</span><span class="n">upper</span><span class="p">(),</span> |
| <span class="n">correlation_id</span><span class="o">=</span><span class="n">event</span><span class="o">.</span><span class="n">message</span><span class="o">.</span><span class="n">correlation_id</span><span class="p">))</span> |
| |
| |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">Container</span><span class="p">(</span><span class="n">Server</span><span class="p">(</span><span class="s2">"0.0.0.0:8888"</span><span class="p">))</span><span class="o">.</span><span class="n">run</span><span class="p">()</span> |
| <span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span class="p">:</span> |
| <span class="k">pass</span> |
| </pre></div> |
| |
| <p><a href="server_direct.py">Download this file</a></p> |
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