gf-common/tcp/example.go

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package tcp
import (
"fmt"
"time"
)
// Example 展示如何使用TCP服务
func Example() {
// 创建配置
config := &TcpPoolConfig{
BufferSize: 2048,
MaxConnections: 100000,
ConnectTimeout: time.Second * 5,
ReadTimeout: time.Second * 30,
WriteTimeout: time.Second * 10,
MaxIdleTime: time.Minute * 5,
}
// 创建TCP服务器
server, err := NewTCPServer("0.0.0.0:8888", config)
if err != nil {
fmt.Printf("Failed to create server: %v\n", err)
return
}
// 设置消息处理函数
server.SetMessageHandler(func(conn *TcpConnection, msg *TcpMessage) error {
fmt.Printf("Received message from %s: %s\n", conn.Id, string(msg.Data))
// 回显消息
return server.SendTo(conn.Id, []byte(fmt.Sprintf("Echo: %s", msg.Data)))
})
// 启动服务器
if err := server.Start(); err != nil {
fmt.Printf("Failed to start server: %v\n", err)
return
}
// 运行10秒后停止
fmt.Println("TCP server started. Running for 10 seconds...")
time.Sleep(time.Second * 10)
// 停止服务器
if err := server.Stop(); err != nil {
fmt.Printf("Failed to stop server: %v\n", err)
}
fmt.Println("TCP server stopped.")
}
// TestTCP 测试TCP连接
func TestTCP() {
fmt.Println("=== 测试TCP连接 ===")
fmt.Println("1. 创建TCP服务器配置")
config := &TcpPoolConfig{
BufferSize: 2048,
MaxConnections: 100000,
ConnectTimeout: time.Second * 5,
ReadTimeout: time.Second * 30,
WriteTimeout: time.Second * 10,
MaxIdleTime: time.Minute * 5,
}
fmt.Println("2. 创建TCP服务器")
server, err := NewTCPServer("0.0.0.0:8888", config)
if err != nil {
fmt.Printf("创建服务器失败:%v\n", err)
return
}
fmt.Println("3. 服务器创建成功")
fmt.Println("4. 获取在线连接数")
count := server.Connection.Count()
fmt.Printf("当前在线连接数:%d\n", count)
fmt.Println("5. 获取所有在线连接ID")
connIDs, err := server.GetAllConnIDs()
if err != nil {
fmt.Printf("获取在线连接ID失败%v\n", err)
} else {
fmt.Printf("在线连接ID%v\n", connIDs)
}
fmt.Println("6. 启动服务器")
if err := server.Start(); err != nil {
fmt.Printf("启动服务器失败:%v\n", err)
return
}
fmt.Println("7. 服务器启动成功运行2秒后停止")
time.Sleep(time.Second * 2)
fmt.Println("8. 停止服务器")
if err := server.Stop(); err != nil {
fmt.Printf("停止服务器失败:%v\n", err)
} else {
fmt.Println("服务器停止成功")
}
fmt.Println("=== TCP测试完成 ===")
}