protected override void LRange(int database, RedisKey key, long start, Span <TypedRedisValue> arr)
{
var stack = GetStack(key, false);
using (var iter = stack.GetEnumerator())
{
// skip
while (start-- > 0)
{
if (!iter.MoveNext())
{
ThrowArgumentOutOfRangeException();
}
}
// take
for (int i = 0; i < arr.Length; i++)
{
if (!iter.MoveNext())
{
ThrowArgumentOutOfRangeException();
}
arr[i] = TypedRedisValue.BulkString(iter.Current);
}
}
}
protected virtual TypedRedisValue Rpush(RedisClient client, RedisRequest request)
{
var key = request.GetKey(1);
long length = -1;
for (int i = 2; i < request.Count; i++)
{
length = Rpush(client.Database, key, request.GetValue(i));
}
return(TypedRedisValue.Integer(length));
}
protected virtual TypedRedisValue Srem(RedisClient client, RedisRequest request)
{
int removed = 0;
var key = request.GetKey(1);
for (int i = 2; i < request.Count; i++)
{
if (Srem(client.Database, key, request.GetValue(i)))
{
removed++;
}
}
return(TypedRedisValue.Integer(removed));
}
protected virtual TypedRedisValue LRange(RedisClient client, RedisRequest request)
{
var key = request.GetKey(1);
long start = request.GetInt64(2), stop = request.GetInt64(3);
var len = Llen(client.Database, key);
if (len == 0)
{
return(TypedRedisValue.EmptyArray);
}
if (start < 0)
{
start = len + start;
}
if (stop < 0)
{
stop = len + stop;
}
if (stop < 0 || start >= len || stop < start)
{
return(TypedRedisValue.EmptyArray);
}
if (start < 0)
{
start = 0;
}
else if (start >= len)
{
start = len - 1;
}
if (stop < 0)
{
stop = 0;
}
else if (stop >= len)
{
stop = len - 1;
}
var arr = TypedRedisValue.Rent(checked ((int)((stop - start) + 1)), out var span);
LRange(client.Database, key, start, span);
return(arr);
}
protected virtual TypedRedisValue ClientReply(RedisClient client, RedisRequest request)
{
if (request.IsString(2, "on"))
{
client.SkipReplies = -1; // reply to nothing
}
else if (request.IsString(2, "off"))
{
client.SkipReplies = 0; // reply to everything
}
else if (request.IsString(2, "skip"))
{
client.SkipReplies = 2; // this one, and the next one
}
else
{
return(TypedRedisValue.Error("ERR syntax error"));
}
return(TypedRedisValue.OK);
}
protected virtual TypedRedisValue Scard(RedisClient client, RedisRequest request) => TypedRedisValue.Integer(Scard(client.Database, request.GetKey(1)));
protected virtual TypedRedisValue Spop(RedisClient client, RedisRequest request) => TypedRedisValue.BulkString(Spop(client.Database, request.GetKey(1)));
protected virtual TypedRedisValue ClientGetname(RedisClient client, RedisRequest request) => TypedRedisValue.BulkString(client.Name);
public TypedRedisValue UnknownSubcommandOrArgumentCount() => TypedRedisValue.Error($"ERR Unknown subcommand or wrong number of arguments for '{ToString()}'.");
public TypedRedisValue CommandNotFound()
=> TypedRedisValue.Error($"ERR unknown command '{ToString()}'");
public TypedRedisValue WrongArgCount() => TypedRedisValue.Error($"ERR wrong number of arguments for '{ToString()}' command");