code.vegaprotocol.io/vega@v0.79.0/datanode/broker/event_receiver_sender.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package broker
    17  
    18  import (
    19  	"fmt"
    20  	"path/filepath"
    21  
    22  	"code.vegaprotocol.io/vega/logging"
    23  )
    24  
    25  func NewEventReceiverSender(config Config, log *logging.Logger, chainID string) (rawEventReceiverSender, error) {
    26  	var eventsource rawEventReceiverSender
    27  	var err error
    28  	if config.UseEventFile {
    29  		absPath, err := filepath.Abs(config.FileEventSourceConfig.Directory)
    30  		if err != nil {
    31  			return nil, fmt.Errorf("unable to determine absolute path of file %s: %w", config.FileEventSourceConfig.Directory, err)
    32  		}
    33  
    34  		log.Infof("using buffer files event source, event files directory: %s", absPath)
    35  		eventsource, err = NewBufferFilesEventSource(absPath, config.FileEventSourceConfig.TimeBetweenBlocks.Duration,
    36  			config.FileEventSourceConfig.SendChannelBufferSize, chainID)
    37  
    38  		if err != nil {
    39  			return nil, fmt.Errorf("failed to create file event source:%w", err)
    40  		}
    41  	} else {
    42  		eventsource, err = newSocketServer(log, &config)
    43  		if err != nil {
    44  			return nil, fmt.Errorf("failed to initialise underlying socket receiver: %w", err)
    45  		}
    46  	}
    47  	return eventsource, nil
    48  }