im

goim v2.0

goim is a im server writen by golang.

Features

• Light weight
• High performance
• Pure Golang
• Supports single push, multiple push and broadcasting
• Supports one key to multiple subscribers (Configurable maximum subscribers count)
• Supports heartbeats (Application heartbeats, TCP, KeepAlive, HTTP long pulling)
• Supports authentication (Unauthenticated user can't subscribe)
• Supports multiple protocols (WebSocket，TCP，HTTP）
• Scalable architecture (Unlimited dynamic comet and logic modules)
• Asynchronous push notification based on Kafka

Architecture

Quick Start

Dependencies

• kakfa: 消息队列
• redis: 保存客户端连接信息
• etcd: 提供服务注册/发现， comet、logic 服务注册在 etcd

docker 快速启动相关依赖：

 docker-compose -f benchmarks/kafka-docker-compose.yml up -d
 docker run -d -p 6379:6379 redis
 docker run -d -p 2379:2379 -p 2380:2380 --name etcd-v3.4.13 quay.io/coreos/etcd:v3.4.13 /usr/local/bin/etcd \ 
  --name s1 \
  --data-dir /etcd-data \
  --listen-client-urls http://0.0.0.0:2379 \
  --advertise-client-urls http://0.0.0.0:2379 \
  --listen-peer-urls http://0.0.0.0:2380 \
  --initial-advertise-peer-urls http://0.0.0.0:2380 \
  --initial-cluster s1=http://0.0.0.0:2380 \
  --initial-cluster-token tkn \
  --initial-cluster-state new \
  --log-level info \
  --logger zap \
  --log-outputs stderr

Build

    make build

Run

    make run
    make stop

    // or
    nohup target/logic -conf=target/logic.toml -logtostderr 2>&1 > target/logic.log &
    nohup target/comet -conf=target/comet.toml -logtostderr 2>&1 > target/comet.log &

Configuration

You can view the comments in target/comet.toml, target/logic.toml to understand the meaning of the config.

Document

Protocol