ledisdb/server/app.go

93 lines
1.2 KiB
Go

package server
import (
"fmt"
"github.com/siddontang/ledisdb/ledis"
"net"
"strings"
)
type App struct {
cfg *Config
listener net.Listener
ldb *ledis.Ledis
closed bool
quit chan struct{}
//for slave replication
m *master
}
func NewApp(cfg *Config) (*App, error) {
if len(cfg.DataDir) == 0 {
return nil, fmt.Errorf("must set data_dir first")
}
if len(cfg.DB.DataDir) == 0 {
cfg.DB.DataDir = cfg.DataDir
}
app := new(App)
app.quit = make(chan struct{})
app.closed = false
app.cfg = cfg
var err error
if strings.Contains(cfg.Addr, "/") {
app.listener, err = net.Listen("unix", cfg.Addr)
} else {
app.listener, err = net.Listen("tcp", cfg.Addr)
}
if err != nil {
return nil, err
}
if app.ldb, err = ledis.OpenWithConfig(&cfg.DB); err != nil {
return nil, err
}
app.m = newMaster(app)
return app, nil
}
func (app *App) Close() {
if app.closed {
return
}
app.closed = true
close(app.quit)
app.listener.Close()
app.m.Close()
app.ldb.Close()
}
func (app *App) Run() {
if len(app.cfg.SlaveOf) > 0 {
app.slaveof(app.cfg.SlaveOf)
}
for !app.closed {
conn, err := app.listener.Accept()
if err != nil {
continue
}
newClient(conn, app)
}
}