Tag: messaging

Instant Messaging Project 3-Registration Function Interface

Blogger introduction: Hello everyone, I am not good, I still have to practice Blog homepage: @ No, I still have to practice my personal homepage —-A rookie who strives to keep up with the technical masters —-The tide of the times, if you don’t advance, you will retreat. This article is about the difficulties and […]

4.11.11-Testing_Web_Messaging

Testing Web Messaging ID WSTG-CLNT-11 Summary Web Messaging (also known as Cross Document Messaging) allows applications running on different domains to communicate in a secure manner. Before the introduction of web messaging, the communication of different origins (between iframes, tabs and windows) was restricted by the same origin policy and enforced by the browser. Developers […]

Design and implementation of local anonymous instant messaging system based on WinSock technology

Table of contents Design and implementation of anonymous communication Windows client 1 Summary 1 1 Introduction 2 1.1 Background and significance of topic selection 2 1.2 Project Task 3 1.3 Arrangement of thesis chapters 4 2 Introduction to related technologies 5 2.1 Introduction to Windows Network Architecture 5 2.2 Introduction to Windows filtering platform 8 […]

libevent+QT instant messaging project-server registration function

Communication 5. Server-Registration Function 1. Type description, data is in JSON format step: data: 2.Ubuntu installation jsoncpp sudo apt-get install libjsoncpp-dev ls /usr/include/jsoncpp/json/ Check whether the installation is successful Include the header file when using it #include In the third step, when compiling, link the library g++ -ljsoncpp 3. Write data to database Each user […]

FreeRTOS Queues and Messaging-2 Queue Operations

Queue creation, enqueue and dequeue are the most commonly used queue operations. In addition, there are queue operations such as queue deletion, reset, and querying the number of messages in the queue. 1. Queue creation Like task creation, queue creation also has two methods: dynamic and static. Use xQueueCreate() to create a queue dynamically, and […]

libevent+QT instant messaging project – server linked list design (Part 1)

Communication 4. Server linked list design 2 linked lists MySQL Installation sudo apt-get update sudo apt-get install mysql-server mysql-client libmysqlclient-dev Check the version mysql -V or enter mysql select version(); set password First, log in to the MySQL server: sudo mysql Once at the MySQL prompt, replace the following command with the password you wish […]

libevent+QT instant messaging project – server class encapsulation

Communication 3. Encapsulation of server classes mkdir chat_server cd chat_server main.cpp #include <iostream> #include “server.h” int main() {<!– –> //Create server object Server s (IP, PORT); return 0; } server.h #ifndef SERVER_H #define SERVER_H #include <stdio.h> #include <stdlib.h> #include <event.h> #include <string.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <event2/listener.h> #include <iostream> #include <thread> #define […]

[Middleware] RabbitMQ’s Exchange and Queue binding: a key step to achieve efficient messaging

Foreword: Most of today’s distributed systems require asynchronous message delivery, and RabbitMQ, as an open source message queue system, provides an efficient message delivery solution. But when using RabbitMQ for messaging, it is very important to correctly bind Exchange and Queue. This article will introduce the binding process of Exchange and Queue in detail from […]