Files
play-with-docker/pwd/client.go
Jonathan Leibiusky @xetorthio 6c8c21618b More prometheus metrics
2017-06-14 20:59:50 -03:00

61 lines
1.4 KiB
Go

package pwd
import (
"log"
"time"
)
type Client struct {
Id string
viewPort ViewPort
session *Session
}
type ViewPort struct {
Rows uint
Cols uint
}
func (p *pwd) ClientNew(id string, session *Session) *Client {
defer observeAction("ClientNew", time.Now())
c := &Client{Id: id, session: session}
session.clients = append(session.clients, c)
return c
}
func (p *pwd) ClientResizeViewPort(c *Client, cols, rows uint) {
defer observeAction("ClientResizeViewPort", time.Now())
c.viewPort.Rows = rows
c.viewPort.Cols = cols
p.notifyClientSmallestViewPort(c.session)
}
func (p *pwd) ClientClose(client *Client) {
defer observeAction("ClientClose", time.Now())
// Client has disconnected. Remove from session and recheck terminal sizes.
session := client.session
for i, cl := range session.clients {
if cl.Id == client.Id {
session.clients = append(session.clients[:i], session.clients[i+1:]...)
break
}
}
if len(session.clients) > 0 {
p.notifyClientSmallestViewPort(session)
}
setGauges()
}
func (p *pwd) notifyClientSmallestViewPort(session *Session) {
vp := p.SessionGetSmallestViewPort(session)
// Resize all terminals in the session
p.broadcast.BroadcastTo(session.Id, "viewport resize", vp.Cols, vp.Rows)
for _, instance := range session.Instances {
err := p.InstanceResizeTerminal(instance, vp.Rows, vp.Cols)
if err != nil {
log.Println("Error resizing terminal", err)
}
}
}