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server.go
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server.go
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package xgin
import (
"context"
"net"
"net/http"
"github.com/abulo/ratel/v3/core/constant"
"github.com/abulo/ratel/v3/core/logger"
"github.com/abulo/ratel/v3/server"
"github.com/gin-gonic/gin"
)
// Server ...
type Server struct {
*gin.Engine
Server *http.Server
config *Config
listener net.Listener
}
func newServer(config *Config) *Server {
listener, err := net.Listen("tcp", config.Address())
if err != nil {
logger.Logger.Panic("new gin server err:", err)
}
config.Port = listener.Addr().(*net.TCPAddr).Port
gin.SetMode(config.Mode)
return &Server{
Engine: gin.New(),
config: config,
listener: listener,
}
}
// Upgrade protocol to WebSocket
func (s *Server) Upgrade(ws *WebSocket) gin.IRoutes {
return s.GET(ws.Pattern, func(c *gin.Context) {
ws.Upgrade(c.Writer, c.Request)
})
}
// Serve implements server.Server interface.
func (s *Server) Serve() error {
s.Server = &http.Server{
Addr: s.config.Address(),
Handler: s,
}
err := s.Server.Serve(s.listener)
if err == http.ErrServerClosed {
logger.Logger.Info("close gin:", s.config.Address())
return nil
}
return err
}
// Stop implements server.Server interface
// it will terminate gin server immediately
func (s *Server) Stop() error {
return s.Server.Close()
}
// GracefulStop implements server.Server interface
// it will stop gin server gracefully
func (s *Server) GracefulStop(ctx context.Context) error {
return s.Server.Shutdown(ctx)
}
// Info returns server info, used by governor and consumer balancer
func (s *Server) Info() *server.ServiceInfo {
serviceAddr := s.listener.Addr().String()
if s.config.ServiceAddress != "" {
serviceAddr = s.config.ServiceAddress
}
info := server.ApplyOptions(
server.WithScheme("http"),
server.WithAddress(serviceAddr),
server.WithKind(constant.ServiceProvider),
)
return &info
}
// Health ...
func (s *Server) Health() bool {
if s.listener == nil {
return false
}
conn, err := s.listener.Accept()
if err != nil {
return false
}
_ = conn.Close()
return true
}