74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package server
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import (
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"strconv"
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"git.loafle.net/commons_go/logging"
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"git.loafle.net/commons_go/server"
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)
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func NewServerHandler(pidPath string, serverName string, socketHandler SocketHandler) ServerHandler {
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sh := &ServerHandlers{
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pidPath: pidPath,
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}
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sh.Name = serverName
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sh.SocketHandler = socketHandler
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return sh
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}
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type ServerHandlers struct {
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server.ServerHandlers
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pidPath string
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port int
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}
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func (sh *ServerHandlers) Init(serverCTX server.ServerContext) error {
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if err := sh.ServerHandlers.Init(serverCTX); nil != err {
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return err
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}
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return nil
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}
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func (sh *ServerHandlers) Listen(serverCTX server.ServerContext) (net.Listener, error) {
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for i := 60000; i < 61000; i++ {
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addr := fmt.Sprintf("localhost:%d", i)
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l, err := net.Listen("tcp", addr)
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if nil == err {
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sh.port = i
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return l, nil
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}
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}
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return nil, fmt.Errorf("Container: Cannot find availrable port")
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}
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func (sh *ServerHandlers) OnStart(serverCTX server.ServerContext) {
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sh.ServerHandlers.OnStart(serverCTX)
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os.Remove(sh.pidPath)
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s := strconv.FormatInt(int64(sh.port), 10)
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ioutil.WriteFile(sh.pidPath, []byte(s), os.ModePerm)
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}
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func (sh *ServerHandlers) OnStop(serverCTX server.ServerContext) {
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os.Remove(sh.pidPath)
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sh.ServerHandlers.OnStop(serverCTX)
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}
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func (sh *ServerHandlers) Validate() {
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sh.ServerHandlers.Validate()
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if "" == sh.pidPath {
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logging.Logger().Panicf("Server: The path of pid file must be specified")
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}
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}
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