input/releases/qpid-proton-0.32.0/proton/python/examples/helloworld_direct_tornado.py.html.in

<h1>helloworld_direct_tornado.py</h1>
<div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</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_tornado</span> <span class="kn">import</span> <span class="n">Container</span>

<span class="k">class</span> <span class="nc">HelloWorld</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">HelloWorld</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="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="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="n">event</span><span class="o">.</span><span class="n">container</span><span class="o">.</span><span class="n">create_sender</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_sendable</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="n">event</span><span class="o">.</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">body</span><span class="o">=</span><span class="s2">&quot;Hello World!&quot;</span><span class="p">))</span>
        <span class="n">event</span><span class="o">.</span><span class="n">sender</span><span class="o">.</span><span class="n">close</span><span class="p">()</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="n">event</span><span class="o">.</span><span class="n">message</span><span class="o">.</span><span class="n">body</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">on_accepted</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="n">event</span><span class="o">.</span><span class="n">connection</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>

    <span class="k">def</span> <span class="nf">on_connection_closed</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="bp">self</span><span class="o">.</span><span class="n">acceptor</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>

<span class="n">Container</span><span class="p">(</span><span class="n">HelloWorld</span><span class="p">(</span><span class="s2">&quot;localhost:8888/examples&quot;</span><span class="p">))</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
</pre></div>

<p><a href="helloworld_direct_tornado.py">Download this file</a></p>