server-go/socket/readwrite.go
crusader 1c6419e15b ing
2018-06-27 21:31:50 +09:00

113 lines
2.3 KiB
Go

package socket
import (
"fmt"
"time"
logging "git.loafle.net/commons/logging-go"
)
func connReadHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-chan struct{}, doneChan chan<- error, readChan chan<- []byte) {
var (
err error
)
defer func() {
doneChan <- err
}()
if 0 < readWriteHandler.GetMaxMessageSize() {
conn.SetReadLimit(readWriteHandler.GetMaxMessageSize())
}
if 0 < readWriteHandler.GetReadTimeout() {
conn.SetReadDeadline(time.Now().Add(readWriteHandler.GetReadTimeout()))
} else {
conn.SetReadDeadline(time.Time{})
}
conn.SetPongHandler(func(string) error {
if 0 < readWriteHandler.GetPongTimeout() {
conn.SetReadDeadline(time.Now().Add(readWriteHandler.GetPongTimeout()))
} else {
conn.SetReadDeadline(time.Time{})
}
return nil
})
for {
var message []byte
readMessageChan := make(chan struct{})
go func() {
_, message, err = conn.ReadMessage()
close(readMessageChan)
}()
select {
case <-stopChan:
return
case <-readMessageChan:
}
if nil != err {
if IsUnexpectedCloseError(err, CloseGoingAway, CloseAbnormalClosure) {
err = fmt.Errorf("Read error %v", err)
}
logging.Logger().Debug(err)
return
}
readChan <- message
}
}
func connWriteHandler(readWriteHandler ReadWriteHandler, conn Conn, stopChan <-chan struct{}, doneChan chan<- error, writeChan <-chan []byte) {
var (
message []byte
ok bool
err error
)
defer func() {
doneChan <- err
}()
ticker := time.NewTicker(readWriteHandler.GetPingPeriod())
defer func() {
ticker.Stop()
}()
for {
select {
case message, ok = <-writeChan:
if 0 < readWriteHandler.GetWriteTimeout() {
conn.SetWriteDeadline(time.Now().Add(readWriteHandler.GetWriteTimeout()))
} else {
conn.SetWriteDeadline(time.Time{})
}
if !ok {
conn.WriteMessage(CloseMessage, []byte{})
return
}
err = conn.WriteCompress(TextMessage, message)
if err != nil {
logging.Logger().Debug(err)
return
}
case <-ticker.C:
if 0 < readWriteHandler.GetPingTimeout() {
conn.SetWriteDeadline(time.Now().Add(readWriteHandler.GetPingTimeout()))
} else {
conn.SetWriteDeadline(time.Time{})
}
if err = conn.WriteMessage(PingMessage, nil); nil != err {
logging.Logger().Debug(err)
return
}
case <-stopChan:
return
}
}
}