86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
// Copyright (c) 2014 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package bdb
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import (
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"fmt"
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"time"
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"github.com/lbryio/lbcwallet/walletdb"
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)
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const (
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dbType = "bdb"
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)
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// parseArgs parses the arguments from the walletdb Open/Create methods.
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func parseArgs(funcName string,
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args ...interface{}) (string, bool, time.Duration, error) {
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if len(args) != 3 {
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return "", false, 0, fmt.Errorf("invalid arguments to %s.%s "+
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"-- expected database path, no-freelist-sync and "+
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"timeout option",
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dbType, funcName)
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}
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dbPath, ok := args[0].(string)
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if !ok {
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return "", false, 0, fmt.Errorf("first argument to %s.%s is "+
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"invalid -- expected database path string", dbType,
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funcName)
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}
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noFreelistSync, ok := args[1].(bool)
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if !ok {
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return "", false, 0, fmt.Errorf("second argument to %s.%s is "+
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"invalid -- expected no-freelist-sync bool", dbType,
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funcName)
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}
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timeout, ok := args[2].(time.Duration)
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if !ok {
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return "", false, 0, fmt.Errorf("third argument to %s.%s is "+
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"invalid -- expected timeout time.Duration", dbType,
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funcName)
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}
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return dbPath, noFreelistSync, timeout, nil
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}
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// openDBDriver is the callback provided during driver registration that opens
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// an existing database for use.
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func openDBDriver(args ...interface{}) (walletdb.DB, error) {
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dbPath, noFreelistSync, timeout, err := parseArgs("Open", args...)
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if err != nil {
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return nil, err
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}
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return openDB(dbPath, noFreelistSync, false, timeout)
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}
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// createDBDriver is the callback provided during driver registration that
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// creates, initializes, and opens a database for use.
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func createDBDriver(args ...interface{}) (walletdb.DB, error) {
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dbPath, noFreelistSync, timeout, err := parseArgs("Create", args...)
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if err != nil {
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return nil, err
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}
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return openDB(dbPath, noFreelistSync, true, timeout)
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}
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func init() {
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// Register the driver.
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driver := walletdb.Driver{
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DbType: dbType,
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Create: createDBDriver,
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Open: openDBDriver,
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}
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if err := walletdb.RegisterDriver(driver); err != nil {
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panic(fmt.Sprintf("Failed to regiser database driver '%s': %v",
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dbType, err))
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}
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}
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