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package csplugin
import (
"context"
"fmt"
"github.com/crowdsecurity/crowdsec/pkg/protobufs"
plugin "github.com/hashicorp/go-plugin"
"google.golang.org/grpc"
)
type Notifier interface {
Notify(ctx context.Context, notification *protobufs.Notification) (*protobufs.Empty, error)
Configure(ctx context.Context, cfg *protobufs.Config) (*protobufs.Empty, error)
}
type NotifierPlugin struct {
plugin.Plugin
Impl Notifier
}
type GRPCClient struct{ client protobufs.NotifierClient }
func (m *GRPCClient) Notify(ctx context.Context, notification *protobufs.Notification) (*protobufs.Empty, error) {
done := make(chan error)
go func() {
_, err := m.client.Notify(
context.Background(), &protobufs.Notification{Text: notification.Text, Name: notification.Name},
)
done <- err
}()
select {
case err := <-done:
return &protobufs.Empty{}, err
case <-ctx.Done():
return &protobufs.Empty{}, fmt.Errorf("timeout exceeded")
}
}
func (m *GRPCClient) Configure(ctx context.Context, config *protobufs.Config) (*protobufs.Empty, error) {
_, err := m.client.Configure(
context.Background(), config,
)
return &protobufs.Empty{}, err
}
type GRPCServer struct {
Impl Notifier
}
func (p *NotifierPlugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error {
protobufs.RegisterNotifierServer(s, p.Impl)
return nil
}
func (p *NotifierPlugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) {
return &GRPCClient{client: protobufs.NewNotifierClient(c)}, nil
}
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