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hexmap/server/websocket/connection.go

37 lines
1.3 KiB

package websocket
import (
"github.com/gorilla/websocket"
"time"
)
const (
// ReadTimeLimit is the maximum time the server is willing to wait after receiving a message before receiving another one.
ReadTimeLimit = 60 * time.Second
// WriteTimeLimit is the maximum time the server is willing to wait to send a message.
WriteTimeLimit = 10 * time.Second
// ControlTimeLimit is the maximum time the server is willing to wait to send a control message like Ping or Close.
ControlTimeLimit = (WriteTimeLimit * 5) / 10
// PingDelay is the time between pings.
// It must be less than ReadTimeLimit to account for latency and delays on either side.
PingDelay = (ReadTimeLimit * 7) / 10
)
// A Connection corresponds to a pair of actors.
type Connection struct {
conn *websocket.Conn
r reader
w writer
}
// ReadChannel returns the channel that can be used to read client messages from the connection.
// After receiving SocketClosed, the reader will close its channel.
func (c *Connection) ReadChannel() <-chan ClientMessage {
return c.r.channel
}
// WriteChannel returns the channel that can be used to send server messages on the connection.
// After sending SocketClosed, the writer will close its channel; do not send any further messages on the channel.
func (c *Connection) WriteChannel() chan<- ServerMessage {
return c.w.channel
}