private static void ReadAll(BerkeleyKeyValueCursor cursor)
{
for (BerkeleyResult<BerkeleyKeyValue> result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_FIRST).Result;
result.Error.BerkeleyDbError != BerkeleyDbError.DB_NOTFOUND;
result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_NEXT).Result)
{
result.Error.ThrowIfError();
WriteLine(result.Result.Key, result.Result.Value);
}
}
private static bool Check(BerkeleyKeyValueCursor cursor, List<int> keys)
{
var readKeys = new List<int>();
for (BerkeleyResult<BerkeleyKeyValue> result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_FIRST).Result;
result.Error.BerkeleyDbError != BerkeleyDbError.DB_NOTFOUND;
result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_NEXT).Result)
{
result.Error.ThrowIfError();
String skey = Encoding.UTF8.GetString(result.Result.Key);
int ikey = int.Parse(skey.Replace("key", ""));
String svalue = Encoding.UTF8.GetString(result.Result.Value);
int ivalue = int.Parse(svalue.Replace("value", ""));
if (ikey != ivalue)
throw new InvalidOperationException();
readKeys.Add(ikey);
}
return keys.SequenceEqual(readKeys);
}
static void Main(string[] args)
{
var serviceRootUri = new Uri("http://*****:*****@"D:\гуманитарий с дипломом менеджера.jpg");
//ReadFoto(bdb);
}
}
}
private static void ReadFoto(BerkeleyDb bdb)
{
Byte[] key = System.Text.Encoding.UTF8.GetBytes("simple key/value");
using (var reader = new BerkeleyKeyValueCursor(bdb))
{
var result = reader.ReadAsync(key, BerkeleyDbOperation.DB_SET).Result;
File.WriteAllBytes(@"D:\zzz.jpg", result.Result.Value.ToArray());
}
}
public void KeyValueTest()
{
using (var bdb = CreateDb())
{
var keys = new List<int>();
for (int i = 0; i < 6; i++)
{
keys.Add(i);
var key = Encoding.UTF8.GetBytes("key" + i.ToString());
var value = Encoding.UTF8.GetBytes("value" + i.ToString());
BerkeleyError error = bdb.WriteAsync(key, value, 0).Result;
error.ThrowIfError();
}
using (var cursor = new BerkeleyKeyValueCursor(bdb))
{
KeyValueCheck(cursor, keys);
BerkeleyError error = cursor.DeleteCurrentAsync().Result;
error.ThrowIfError();
keys.Remove(keys.Last());
KeyValueCheck(cursor, keys);
var key = Encoding.UTF8.GetBytes("key3");
error = cursor.DeleteAsync(key, 0).Result;
error.ThrowIfError();
keys.Remove(3);
KeyValueCheck(cursor, keys);
}
}
}
private static void KeyValueCheck(BerkeleyKeyValueCursor cursor, List<int> keys)
{
var readKeys = new List<int>();
for (BerkeleyResult<BerkeleyKeyValue> result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_FIRST).Result;
result.Error.BerkeleyDbError != BerkeleyDbError.DB_NOTFOUND;
result = cursor.ReadAsync(null, BerkeleyDbOperation.DB_NEXT).Result)
{
result.Error.ThrowIfError();
String skey = Encoding.UTF8.GetString(result.Result.Key);
int ikey = int.Parse(skey.Replace("key", ""));
String svalue = Encoding.UTF8.GetString(result.Result.Value);
int ivalue = int.Parse(svalue.Replace("value", ""));
Assert.IsTrue(ikey == ivalue, "read error");
readKeys.Add(ikey);
}
Assert.IsTrue(keys.SequenceEqual(readKeys), "delete error");
}