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channel.go
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channel.go
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/*
* Teleport
* Copyright (C) 2023 Gravitational, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eventstest
import (
"context"
"github.com/gravitational/trace"
"github.com/sirupsen/logrus"
apievents "github.com/gravitational/teleport/api/types/events"
"github.com/gravitational/teleport/lib/session"
)
// ChannelEmitter emits audit events by writing them to a channel.
type ChannelEmitter struct {
events chan apievents.AuditEvent
log logrus.FieldLogger
}
// NewChannelEmitter returns a new instance of test emitter.
func NewChannelEmitter(capacity int) *ChannelEmitter {
return &ChannelEmitter{
log: logrus.WithField(trace.Component, "channel_emitter"),
events: make(chan apievents.AuditEvent, capacity),
}
}
func (e *ChannelEmitter) EmitAuditEvent(ctx context.Context, event apievents.AuditEvent) error {
e.log.Infof("EmitAuditEvent(%v)", event)
select {
case <-ctx.Done():
return ctx.Err()
case e.events <- event:
return nil
}
}
func (e *ChannelEmitter) C() <-chan apievents.AuditEvent {
return e.events
}
// ChannelRecorder records session events by writing them to a channel.
type ChannelRecorder struct {
events chan apievents.AuditEvent
log logrus.FieldLogger
}
// NewChannelRecorder returns a new instance of test recorder.
func NewChannelRecorder(capacity int) *ChannelRecorder {
return &ChannelRecorder{
log: logrus.WithField(trace.Component, "channel_recorder"),
events: make(chan apievents.AuditEvent, capacity),
}
}
func (e *ChannelRecorder) C() <-chan apievents.AuditEvent {
return e.events
}
func (e *ChannelRecorder) CreateAuditStream(ctx context.Context, sid session.ID) (apievents.Stream, error) {
return e, nil
}
func (e *ChannelRecorder) ResumeAuditStream(ctx context.Context, sid session.ID, uploadID string) (apievents.Stream, error) {
return e, nil
}
func (*ChannelRecorder) Write(b []byte) (int, error) {
return len(b), nil
}
func (e *ChannelRecorder) RecordEvent(ctx context.Context, event apievents.PreparedSessionEvent) error {
e.log.Infof("RecordEvent(%v)", event.GetAuditEvent())
select {
case <-ctx.Done():
return ctx.Err()
case e.events <- event.GetAuditEvent():
return nil
}
}
func (e *ChannelRecorder) Status() <-chan apievents.StreamStatus {
return nil
}
func (e *ChannelRecorder) Done() <-chan struct{} {
return nil
}
func (e *ChannelRecorder) Close(ctx context.Context) error {
return nil
}
func (e *ChannelRecorder) Complete(ctx context.Context) error {
return nil
}