code.vegaprotocol.io/vega@v0.79.0/datanode/config/encoding/encoding.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 encoding
    17  
    18  import (
    19  	"encoding/base64"
    20  	"fmt"
    21  	"time"
    22  
    23  	"code.vegaprotocol.io/vega/logging"
    24  )
    25  
    26  // Duration is a wrapper over an actual duration so we can represent
    27  // them as string in the toml configuration.
    28  type Duration struct {
    29  	time.Duration
    30  }
    31  
    32  // Get returns the stored duration.
    33  func (d *Duration) Get() time.Duration {
    34  	return d.Duration
    35  }
    36  
    37  // UnmarshalText unmarshal a duration from bytes.
    38  func (d *Duration) UnmarshalText(text []byte) error {
    39  	var err error
    40  	d.Duration, err = time.ParseDuration(string(text))
    41  	return err
    42  }
    43  
    44  func (d *Duration) UnmarshalFlag(s string) error {
    45  	return d.UnmarshalText([]byte(s))
    46  }
    47  
    48  // MarshalText marshal a duraton into bytes.
    49  func (d Duration) MarshalText() ([]byte, error) {
    50  	return []byte(d.String()), nil
    51  }
    52  
    53  func (d Duration) MarshalFlag() (string, error) {
    54  	bz, err := d.MarshalText()
    55  	return string(bz), err
    56  }
    57  
    58  // LogLevel is wrapper over the actual log level
    59  // so they can be specified as strings in the toml configuration.
    60  type LogLevel struct {
    61  	logging.Level
    62  }
    63  
    64  // Get return the store value.
    65  func (l *LogLevel) Get() logging.Level {
    66  	return l.Level
    67  }
    68  
    69  // UnmarshalText unmarshal a loglevel from bytes.
    70  func (l *LogLevel) UnmarshalText(text []byte) error {
    71  	var err error
    72  	l.Level, err = logging.ParseLevel(string(text))
    73  	return err
    74  }
    75  
    76  func (l *LogLevel) UnmarshalFlag(s string) error {
    77  	return l.UnmarshalText([]byte(s))
    78  }
    79  
    80  // MarshalText marshal a loglevel into bytes.
    81  func (l LogLevel) MarshalText() ([]byte, error) {
    82  	return []byte(l.String()), nil
    83  }
    84  
    85  type Bool bool
    86  
    87  func (b *Bool) UnmarshalFlag(s string) error {
    88  	if s == "true" {
    89  		*b = true
    90  	} else if s == "false" {
    91  		*b = false
    92  	} else {
    93  		return fmt.Errorf("only `true' and `false' are valid values, not `%s'", s)
    94  	}
    95  	return nil
    96  }
    97  
    98  type Base64 []byte
    99  
   100  func (b *Base64) UnmarshalFlag(s string) error {
   101  	dec, err := base64.StdEncoding.DecodeString(s)
   102  	if err != nil {
   103  		return err
   104  	}
   105  	*b = dec
   106  	return nil
   107  }
   108  
   109  func (b Base64) MarshalFlag() (string, error) {
   110  	return base64.StdEncoding.EncodeToString(b), nil
   111  }