Learning With M | United States America (US)

Create: 2025-01-11 Update: 2025-07-14 13:58:45

امروز می‌خوام در مورد Exchange ها در RabbitMQ براتون بگم. Exchange ها مثل پستچی‌های پیام‌رسان عمل می‌کنن و تصمیم می‌گیرن پیام‌ها رو چطوری به صف‌ها (Queue) برسونن. بیاید ببینیم هر کدوم چیکار می‌کنن:

Direct Exchange 🎯
کارش چیه؟
پیام‌ها رو فقط به صف‌هایی می‌فرسته که کلید مسیریابی (Routing Key) دقیقاً همون چیزی باشه که تعیین کردیم.

کی استفاده کنیم؟
وقتی می‌خوایم پیام‌ها رو دقیقاً به یک صف خاص برسونیم. مثلاً پیام‌های "سفارش جدید" فقط به صف "پردازش سفارش" برن.

مثال:
Routing Key: order.created ➡️ Queue: order_queue

Fanout Exchange 📢
کارش چیه؟
پیام‌ها رو به همه صف‌های متصل شده می‌فرسته، بدون توجه به کلید مسیریابی.

کی استفاده کنیم؟
وقتی می‌خوایم یک پیام رو به چندین صف ارسال کنیم. مثلاً ارسال اطلاع‌رسانی به همه گروه های کاربران.

مثال:
پیام: "تخفیف ویژه!" ➡️ Queue: user_group1_queue, user_group2_queue, user_group3_queue

Topic Exchange 🌐
کارش چیه؟
پیام‌ها رو بر اساس الگوهای کلید مسیریابی ارسال می‌کنه. مثلاً می‌تونیم از wildcard (* و #) استفاده کنیم.

کی استفاده کنیم؟
وقتی می‌خوایم پیام‌ها رو بر اساس موضوع‌های مختلف دسته‌بندی کنیم. مثلاً خطاهای سیستم (error.*) یا لاگ‌های عمومی (log.#).

مثال:
Routing Key: error.database ➡️ Queue: error_queue

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2.56K viewsMasoud DaneshPour, edited Jan 11 at 19:16

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Telegram announces Anonymous Admins

The cloud-based messaging platform is also adding Anonymous Group Admins feature. As per Telegram, this feature is being introduced for safer protests. As per the Telegram blog post, users can “Toggle Remain Anonymous in Admin rights to enable Batman mode. The anonymized admin will be hidden in the list of group members, and their messages in the chat will be signed with the group name, similar to channel posts.”

امروز می‌خوام در مورد Exchange ها در RabbitMQ براتون بگم. Exchange ها مثل پستچی‌های پیام‌رسان عمل می‌کنن و تصمیم می‌گیرن پیام‌ها رو چطوری به صف‌ها (Queue) برسونن. بیاید ببینیم هر کدوم چیکار می‌کنن:

Learning With M TG
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Telegram TG Channel: Learning With M
Telegram Updated: 2025-07-14 13:58:45

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