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event_source.go
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event_source.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.DATANODE file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package broker
import (
"fmt"
"path/filepath"
"code.vegaprotocol.io/vega/logging"
)
func NewEventSource(config Config, log *logging.Logger, chainID string) (eventSource, error) {
var eventsource eventSource
var err error
if config.UseEventFile {
absPath, err := filepath.Abs(config.FileEventSourceConfig.File)
if err != nil {
return nil, fmt.Errorf("unable to determine absolute path of file %s: %w", config.FileEventSourceConfig.File, err)
}
log.Infof("using file event source, event file: %s", absPath)
eventsource, err = NewFileEventSource(absPath, config.FileEventSourceConfig.TimeBetweenBlocks.Duration,
config.FileEventSourceConfig.SendChannelBufferSize, chainID)
if err != nil {
return nil, fmt.Errorf("failed to create file event source:%w", err)
}
} else {
eventsource, err = newSocketServer(log, &config)
if err != nil {
return nil, fmt.Errorf("failed to initialise underlying socket receiver: %w", err)
}
}
return eventsource, nil
}