Avant

Network Message Framework For Linux C++.

C++ Version: C++20
OS: Linux
Protocol: HTTP TCP Stream(protobuf) Websocket
TLS/SSL: OpenSSL
Script Engin: Lua 5.4.6

Docker Image

docker run --privileged -p 20023:20023 -v ${LOCAL_HTTP_DIR_PATH}:/avant_static gaowanlu/avant:latest

Get Start

If there are already dependencies to be installed on the host, please selectively ignore them.

Ubuntu (Docker)

docker run -it ubuntu
sudo apt-get update
sudo apt-get install apt-utils -y
sudo apt-get install cmake g++ make git -y
sudo apt-get install protobuf-compiler libprotobuf-dev -y
sudo apt-get install libssl-dev -y
git clone https://github.com/crust-hub/avant.git
cd avant
cd protocol
make
cd ..
mkdir build
rm -rf ./build/*
cd build
cmake ..
make -j4

CentOS8 (Docker)

centos8

Config File

sudo mkdir /avant_static
vim bin/config/main.ini

Start

cd bin
./avant
ps -ef | grep avant

Stop

ps -ef | grep avant
kill PID

App-Layer

support tcp keep-alive stream (protobuf) and http app (http-parser)、websocket

1. framework config
2. stream protobuf app
3. http app
4. websocket app

Client

• C++
• Websocket
• Node.js
• Go

Lua

The main thread, other thread, and each worker thread have their own independent Lua virtual machine. config/Init.lua

Lua Hot Update

Using signal SIGUSR1(10), Avant provides Lua hot updates without restarting the process.

ps -ef | grep avant
kill -10 PID

IPC

The configuration file is located at config/ipc.json. Adopt one-way TCP active connection. Authentication handshake is verified through the appid content in ProtoIPCStreamAuthHandshake protocol.

Wrk

wrk tool

# avant
wrk -c {{connection_num}} -t {{threads}} http://IP:20023/
wrk -c {{connection_num}} -t {{threads}} -d60s --header "Connection: keep-alive" http://127.0.0.1:20023/

Third-Party

1、@nodejs/http-parser 2、@lua/lua
3、@protocolbuffers/protobuf 4、@openssl/openssl
5、@madler/zlib 6、@homer6/url