plugeth/common/size.go

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// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
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//
// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package common
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import (
"fmt"
)
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// StorageSize is a wrapper around a float value that supports user friendly
// formatting.
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type StorageSize float64
// String implements the stringer interface.
func (s StorageSize) String() string {
if s > 1048576 {
return fmt.Sprintf("%.2f MiB", s/1048576)
} else if s > 1024 {
return fmt.Sprintf("%.2f KiB", s/1024)
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} else {
return fmt.Sprintf("%.2f B", s)
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}
}
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// TerminalString implements log.TerminalStringer, formatting a string for console
// output during logging.
func (s StorageSize) TerminalString() string {
if s > 1048576 {
return fmt.Sprintf("%.2fMiB", s/1048576)
} else if s > 1024 {
return fmt.Sprintf("%.2fKiB", s/1024)
} else {
return fmt.Sprintf("%.2fB", s)
}
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}