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package handlers
import (
"context"
"strings"
"github.com/mimecast/dtail/internal"
"github.com/mimecast/dtail/internal/config"
"github.com/mimecast/dtail/internal/io/dlog"
"github.com/mimecast/dtail/internal/io/line"
"github.com/mimecast/dtail/internal/lcontext"
user "github.com/mimecast/dtail/internal/user/server"
)
// HealthHandler is for the remote health check.
type HealthHandler struct {
baseHandler
}
// NewHealthHandler returns the server handler.
func NewHealthHandler(user *user.User) *HealthHandler {
dlog.Server.Debug(user, "Creating new server health handler")
h := HealthHandler{
baseHandler: baseHandler{
done: internal.NewDone(),
lines: make(chan *line.Line, 100),
serverMessages: make(chan string, 10),
maprMessages: make(chan string, 10),
ackCloseReceived: make(chan struct{}),
user: user,
codec: newProtocolCodec(user),
},
}
h.handleCommandCb = h.handleHealthCommand
fqdn, err := config.Hostname()
if err != nil {
dlog.Server.FatalPanic(err)
}
s := strings.Split(fqdn, ".")
h.hostname = s[0]
return &h
}
func (h *HealthHandler) handleHealthCommand(ctx context.Context,
ltx lcontext.LContext, argc int, args []string, commandName string) {
dlog.Server.Debug(h.user, "Handling health command", argc, args)
switch commandName {
case "health":
h.send(h.serverMessages, "OK")
case ".ack":
h.handleAckCommand(argc, args)
default:
h.send(h.serverMessages, dlog.Server.Error(h.user,
"Received unknown health command", commandName, argc, args))
}
h.shutdown()
}
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