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handler.go
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/
handler.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells 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.
*
* Pydio Cells 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 Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package grpc
import (
"context"
"fmt"
"io"
"github.com/go-openapi/errors"
"github.com/pydio/cells/broker/log"
proto "github.com/pydio/cells/common/proto/log"
"github.com/pydio/cells/common/proto/sync"
)
// Handler is the gRPC interface for the log service.
type Handler struct {
Repo log.MessageRepository
}
// PutLog retrieves the log messages from the proto stream and stores them in the index.
func (h *Handler) PutLog(ctx context.Context, stream proto.LogRecorder_PutLogStream) error {
var logCount int32
for {
line, err := stream.Recv()
if err == io.EOF {
return stream.Close()
}
if err != nil {
return err
}
logCount++
h.Repo.PutLog(line.GetMessage())
}
}
// ListLogs is a simple gateway from protobuf to the indexer search engine.
func (h *Handler) ListLogs(ctx context.Context, req *proto.ListLogRequest, stream proto.LogRecorder_ListLogsStream) error {
q := req.GetQuery()
p := req.GetPage()
s := req.GetSize()
r, err := h.Repo.ListLogs(q, p, s)
if err != nil {
return err
}
for rr := range r {
stream.Send(&proto.ListLogResponse{
LogMessage: rr.LogMessage,
})
}
return nil
}
func (h *Handler) DeleteLogs(ctx context.Context, req *proto.ListLogRequest, resp *proto.DeleteLogsResponse) error {
d, e := h.Repo.DeleteLogs(req.Query)
if e != nil {
return e
}
resp.Deleted = d
return nil
}
// AggregatedLogs retrieves aggregated figures from the indexer to generate charts and reports.
func (h *Handler) AggregatedLogs(ctx context.Context, req *proto.TimeRangeRequest, stream proto.LogRecorder_AggregatedLogsStream) error {
return errors.NotImplemented("cannot aggregate syslogs")
}
// TriggerResync implements SyncEndpointHandler interface by reading all logs from index and reconstructing a new index entirely
func (h *Handler) TriggerResync(ctx context.Context, request *sync.ResyncRequest, response *sync.ResyncResponse) error {
go func() {
e := h.Repo.Resync()
if e != nil {
fmt.Println("Error while resyncing: " + e.Error())
}
}()
return nil
}