node-red-trexmes-service
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service Nodes for trexMes systems
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<article class="md-content__inner md-typeset">
<h1 id="mimari-genel-baks">Mimari Genel Bakış<a class="headerlink" href="#mimari-genel-baks" title="Bu bolume kalici baglanti">¶</a></h1>
<p>Bu sayfa, <code>node-red-trexmes-service</code> paketinin <strong>iç mimarisini</strong>, trexMes Edge ile haberleşme şeklini ve node'lar arası veri akışını açıklar.</p>
<h2 id="yuksek-seviye-mimari">Yüksek Seviye Mimari<a class="headerlink" href="#yuksek-seviye-mimari" title="Bu bolume kalici baglanti">¶</a></h2>
<pre class="mermaid"><code>flowchart TB
subgraph TREX["trexMes Edge Panel Yazılımı"]
PANEL[Panel UI<br/>WinForm]
CONN[Node-RED<br/>Connector Plugin]
end
subgraph NRED["Node-RED Sunucu"]
SUB[trex Subscriber]
EV[Event Nodes]
FORM[Form Nodes]
ACTION[Action Nodes]
RESP[Responser]
end
PANEL -- "Event Trigger" --> CONN
CONN -- "HTTP GET /event" --> EV
EV --> FORM
FORM --> ACTION
ACTION --> RESP
RESP -- "HTTP Response" --> CONN
CONN -- "Render / Action" --> PANEL
SUB -. "Olay listesi kaydı" .- CONN
style PANEL fill:#fef3c7,color:#000
style CONN fill:#fef3c7,color:#000
style SUB fill:#58d68d,color:#000
style EV fill:#ccffcc,color:#000
style FORM fill:#ccffcc,color:#000
style ACTION fill:#ccffcc,color:#000
style RESP fill:#ccffcc,color:#000</code></pre>
<h2 id="bilesenlerin-rolleri">Bileşenlerin Rolleri<a class="headerlink" href="#bilesenlerin-rolleri" title="Bu bolume kalici baglanti">¶</a></h2>
<h3 id="1-trexmes-edge-panel-connector-plugin">1. trexMes Edge Panel + Connector Plugin<a class="headerlink" href="#1-trexmes-edge-panel-connector-plugin" title="Bu bolume kalici baglanti">¶</a></h3>
<p>Üretim sahasındaki <strong>fiziksel/sanal panel</strong> üzerinde çalışan ana yazılımdır. İçindeki <strong>Node-RED Connector</strong> eklentisi:</p>
<ul>
<li>Panel üzerindeki tüm UI olaylarını HTTP isteklerine çevirir.</li>
<li>Bu istekleri Node-RED sunucusuna gönderir.</li>
<li>Node-RED'den dönen cevapla panelde <strong>WinForm render eder</strong>, kontrol özelliklerini günceller, method çağrılarına yanıt verir.</li>
</ul>
<h3 id="2-node-red-sunucu">2. Node-RED Sunucu<a class="headerlink" href="#2-node-red-sunucu" title="Bu bolume kalici baglanti">¶</a></h3>
<p>trexMes panellerinden gelen istekleri <strong>işleyen ve cevaplayan</strong> sunucudur. Tek bir Node-RED kurulumu <strong>150-200 paneli aynı anda yönetebilir</strong>.</p>
<h2 id="node-kategorileri-ve-sorumluluklar">Node Kategorileri ve Sorumlulukları<a class="headerlink" href="#node-kategorileri-ve-sorumluluklar" title="Bu bolume kalici baglanti">¶</a></h2>
<table>
<thead>
<tr>
<th>Kategori</th>
<th>Rolü</th>
<th>Örnek Node'lar</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Çekirdek</strong></td>
<td>Altyapı / kayıt</td>
<td><code>trex Subscriber</code>, <code>Responser</code></td>
</tr>
<tr>
<td><strong>Olay (Event)</strong></td>
<td>Panelden gelen tetikleyiciler + olay kesme</td>
<td><code>Business Events</code>, <code>Form Events</code>, …, <code>Handle Setter</code></td>
</tr>
<tr>
<td><strong>Form</strong></td>
<td>Panel üzerinde UI üretme/güncelleme</td>
<td><code>Custom Form</code>, <code>Form Bind Controls</code>, …</td>
</tr>
<tr>
<td><strong>İşlem</strong></td>
<td>Method çağırma, process tetikleme</td>
<td><code>Method Invoker</code>, <code>Execute Process</code>, …</td>
</tr>
<tr>
<td><strong>Yapay Zekâ</strong></td>
<td>LLM ile akış üretimi</td>
<td><code>LLM Flow Builder</code></td>
</tr>
</tbody>
</table>
<h2 id="olay-yasam-dongusu-event-lifecycle">Olay Yaşam Döngüsü (Event Lifecycle)<a class="headerlink" href="#olay-yasam-dongusu-event-lifecycle" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Bir olayın panelden tetiklenip Node-RED'de işlenmesi şu adımlardan geçer:</p>
<pre class="mermaid"><code>sequenceDiagram
autonumber
participant Panel as trexMes Panel
participant Conn as Node-RED Connector
participant Sub as trex Subscriber
participant Ev as Business Events
participant Form as Custom Form
participant Resp as Responser
Note over Panel,Resp: BAŞLANGIÇ (deploy anında)
Conn->>Sub: GET /GetSubscribed
Sub->>Sub: Tüm event node'larını topla
Sub-->>Conn: { subs: [...], handleds: [...] }
Conn->>Panel: Olay listesini kaydet
Note over Panel,Resp: ÇALIŞMA ZAMANI
Panel->>Conn: "OrderStart" olayı tetiklendi
Conn->>Ev: GET /OrderStartEvent + payload
Ev->>Form: msg.payload (event verisi)
Form->>Form: XML form tasarımını hazırla
Form->>Resp: msg.payload (operationtype: CustomDialog)
Resp-->>Conn: HTTP 200 + render JSON
Conn->>Panel: WinForm'u panelde aç</code></pre>
<h3 id="anahtar-noktalar">Anahtar Noktalar<a class="headerlink" href="#anahtar-noktalar" title="Bu bolume kalici baglanti">¶</a></h3>
<ol>
<li><strong>Tek bir <code>trex Subscriber</code></strong>: Deploy anında bir kez çalışır, projedeki tüm event node'larının isimlerini panele bildirir.</li>
<li><strong>Her event akışı bir HTTP isteğidir</strong>: Panel HTTP <code>GET</code> ile olay tetikler, Node-RED akışı çalışır, sonunda HTTP cevabı döner.</li>
<li><strong><code>Responser</code> kapatıcıdır</strong>: Cevap dönmeden panel beklemede kalır. Bazı node'lar (örn. <code>trex Subscriber</code>) bunu kendiliğinden yönetir; diğer olay akışlarında manuel eklenmelidir.</li>
</ol>
<h2 id="mesaj-aks-anatomisi">Mesaj Akışı Anatomisi<a class="headerlink" href="#mesaj-aks-anatomisi" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Tüm node'lar arasında dolaşan <code>msg.payload</code> aslında bir <strong>operation array</strong>'dir. Her node bu array'e kendi "operasyonunu" <code>push</code> eder:</p>
<div class="language-javascript highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="nx">msg</span><span class="p">.</span><span class="nx">payload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="w"> </span><span class="nx">operationtype</span><span class="o">:</span><span class="w"> </span><span class="s2">"CustomDialog"</span><span class="p">,</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="s2">"OrderForm"</span><span class="p">,</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="w"> </span><span class="nx">customformxml</span><span class="o">:</span><span class="w"> </span><span class="s2">"<form>...</form>"</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="p">},</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="nx">operationtype</span><span class="o">:</span><span class="w"> </span><span class="s2">"BindControl"</span><span class="p">,</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="s2">"OrderForm"</span><span class="p">,</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="w"> </span><span class="nx">bindcontrols</span><span class="o">:</span><span class="w"> </span><span class="p">[</span>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">Name</span><span class="o">:</span><span class="w"> </span><span class="s2">"txtOrderNo"</span><span class="p">,</span><span class="w"> </span><span class="nx">FieldName</span><span class="o">:</span><span class="w"> </span><span class="s2">"orderNo"</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a><span class="w"> </span><span class="p">],</span>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="w"> </span><span class="nx">value</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">orderNo</span><span class="o">:</span><span class="w"> </span><span class="s2">"ORD-001"</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a><span class="w"> </span><span class="p">},</span>
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a><span class="w"> </span><span class="nx">operationtype</span><span class="o">:</span><span class="w"> </span><span class="s2">"UIButtonConfig"</span><span class="p">,</span>
</span><span id="__span-0-17"><a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a><span class="w"> </span><span class="nx">value</span><span class="o">:</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="cm">/* button configs */</span><span class="w"> </span><span class="p">]</span>
</span><span id="__span-0-18"><a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-0-19"><a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a><span class="p">]</span>
</span></code></pre></div>
<p><code>Responser</code> bu array'i tek HTTP cevabında panele gönderir. Panel sırayla bu operasyonları yorumlar:</p>
<table>
<thead>
<tr>
<th><code>operationtype</code></th>
<th>Anlamı</th>
<th>Hangi node üretir?</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>CustomDialog</code></td>
<td>Yeni form aç</td>
<td><code>Custom Form</code> (formainform=false)</td>
</tr>
<tr>
<td><code>MainForm</code></td>
<td>Ana formu güncelle</td>
<td><code>Custom Form</code> (formainform=true)</td>
</tr>
<tr>
<td><code>BindControl</code></td>
<td>Form alanlarına veri bağla</td>
<td><code>Form Bind Controls</code></td>
</tr>
<tr>
<td><code>ControlProperties</code></td>
<td>Kontrol özelliklerini ayarla</td>
<td><code>Control Properties</code></td>
</tr>
<tr>
<td><code>UIButtonConfig</code></td>
<td>Buton konfigürasyonu</td>
<td><code>Button Configurator</code></td>
</tr>
<tr>
<td><code>TriggerMain</code></td>
<td>Ana form butonu tetikle</td>
<td><code>Main Form Action</code></td>
</tr>
<tr>
<td><code>MethodInvokerProcess</code></td>
<td>Panel method'unu çağır</td>
<td><code>Method Invoker</code></td>
</tr>
<tr>
<td><code>ExecuteProcess</code></td>
<td>Process tetikle</td>
<td><code>Execute Process</code></td>
</tr>
<tr>
<td><code>ExecuteScript</code></td>
<td>Form üzerinde script çalıştır</td>
<td><code>Execute Script</code></td>
</tr>
<tr>
<td><code>TrexEventHandler</code></td>
<td>Olay handle bilgisi</td>
<td><code>Handle Setter</code></td>
</tr>
</tbody>
</table>
<p><a href="../mesaj-yapisi/">Mesaj yapısı detayları →</a></p>
<h2 id="event-tipleri-ve-yetenekleri">Event Tipleri ve Yetenekleri<a class="headerlink" href="#event-tipleri-ve-yetenekleri" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Paket <strong>8 farklı event tipi</strong> sağlar. Bu tipler panel tarafındaki <strong>olay sınıflandırmasıyla</strong> birebir eşleşir:</p>
<table>
<thead>
<tr>
<th>Event Tipi</th>
<th>Tipik Kullanım</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Business Events</strong></td>
<td>İş akışı olayları (sipariş başlama, üretim bitirme, vs.)</td>
</tr>
<tr>
<td><strong>System Events</strong></td>
<td>Sistem seviyesi olaylar (boot, login, shutdown)</td>
</tr>
<tr>
<td><strong>Communication Events</strong></td>
<td>İletişim katmanı olayları (PLC, OPC, sensör)</td>
</tr>
<tr>
<td><strong>Display Events</strong></td>
<td>UI üzerindeki gösterim olayları</td>
</tr>
<tr>
<td><strong>Form Events</strong></td>
<td>Form üzerindeki etkileşim olayları (button click vs.)</td>
</tr>
<tr>
<td><strong>Display Methods</strong></td>
<td>Ana form metod tetikleyicileri</td>
</tr>
<tr>
<td><strong>Method Returns</strong></td>
<td>Method invocation cevapları</td>
</tr>
</tbody>
</table>
<h2 id="handle-edildi-kavram">"Handle Edildi" Kavramı<a class="headerlink" href="#handle-edildi-kavram" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Bazı olaylar <strong>panel tarafında varsayılan bir işleyiciye</strong> sahiptir. Node-RED akışınız bu olayı yakaladığında <strong>panelin de kendi işleyicisinin çalışmasını isteyip istemediğinizi</strong> belirtmelisiniz:</p>
<ul>
<li><code>ishandled = true</code> → "Bu olayı Node-RED yönetti, panel kendi işleyicisini ÇALIŞTIRMASIN."</li>
<li><code>ishandled = false</code> → "Panel kendi işleyicisini de çalıştırsın."</li>
</ul>
<p>Bu davranış olay node'larının <strong>Is Handled</strong> alanı veya akış ortasında <strong>Handle Setter</strong> ile dinamik olarak kontrol edilebilir.</p>
<h2 id="coklu-panel-senaryosu">Çoklu Panel Senaryosu<a class="headerlink" href="#coklu-panel-senaryosu" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Aynı Node-RED akışı <strong>150-200 paneli aynı anda</strong> yönetebilir. Her panelin IP'si gelen <code>req.ip</code> üzerinden ayrıştırılır:</p>
<div class="language-javascript highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="c1">// trex Subscriber çıkışı</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="p">{</span>
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="nx">payload</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="nx">client</span><span class="o">:</span><span class="w"> </span><span class="s2">"192.168.1.42"</span><span class="p">,</span><span class="w"> </span><span class="c1">// Hangi panel?</span>
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="w"> </span><span class="nx">subs</span><span class="o">:</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="cm">/* event listesi */</span><span class="w"> </span><span class="p">],</span>
</span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a><span class="w"> </span><span class="nx">handleds</span><span class="o">:</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="cm">/* handle edilenler */</span><span class="w"> </span><span class="p">]</span>
</span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-8"><a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="p">}</span>
</span></code></pre></div>
<p>Akışınızda panel-bazlı ayrım yapmak için <code>msg.payload.client</code> veya <code>msg.req.ip</code> üzerinden filtre uygulayabilirsiniz.</p>
<h2 id="sonraki-adm">Sonraki Adım<a class="headerlink" href="#sonraki-adm" title="Bu bolume kalici baglanti">¶</a></h2>
<p><a href="../mesaj-yapisi/">Mesaj Yapısı</a> sayfasında <code>operationtype</code> formatının her alanı detaylı incelenmiştir.</p>
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