public static ClusterMoved ParseSimpleError(string simpleError)
{
if (string.IsNullOrWhiteSpace(simpleError))
{
return(null);
}
var ret = new ClusterMoved
{
ismoved = simpleError.StartsWith("MOVED "),
isask = simpleError.StartsWith("ASK ")
};
if (ret.ismoved == false && ret.isask == false)
{
return(null);
}
var parts = simpleError.Split(new string[] { "\r\n" }, StringSplitOptions.None).FirstOrDefault().Split(new[] { ' ' }, 3);
if (parts.Length != 3 ||
ushort.TryParse(parts[1], out ret.slot) == false)
{
return(null);
}
ret.endpoint = parts[2];
return(ret);
}
public override TValue AdapterCall <TValue>(CommandPacket cmd, Func <RedisResult, TValue> parse)
{
if (cmd._keyIndexes.Count > 1) //Multiple key slot values not equal
{
switch (cmd._command)
{
case "DEL":
case "UNLINK":
return(cmd._keyIndexes.Select((_, idx) => AdapterCall(cmd._command.InputKey(cmd.GetKey(idx)), parse)).Sum(a => a.ConvertTo <long>()).ConvertTo <TValue>());
case "MSET":
cmd._keyIndexes.ForEach(idx => AdapterCall(cmd._command.InputKey(cmd._input[idx].ToInvariantCultureToString()).InputRaw(cmd._input[idx + 1]), parse));
return(default);
case "MGET":
return(cmd._keyIndexes.Select((_, idx) =>
{
var rt = AdapterCall(cmd._command.InputKey(cmd.GetKey(idx)), parse);
return rt.ConvertTo <object[]>().FirstOrDefault();
}).ToArray().ConvertTo <TValue>());
case "PFCOUNT":
return(cmd._keyIndexes.Select((_, idx) => AdapterCall(cmd._command.InputKey(cmd.GetKey(idx)), parse)).Sum(a => a.ConvertTo <long>()).ConvertTo <TValue>());
}
}
return(TopOwner.LogCall(cmd, () =>
{
RedisResult rt = null;
RedisClientPool pool = null;
var protocolRetry = false;
using (var rds = GetRedisSocket(cmd))
{
pool = (rds as DefaultRedisSocket.TempProxyRedisSocket)._pool;
try
{
if (cmd._clusterMovedAsking)
{
cmd._clusterMovedAsking = false;
var askingCmd = "ASKING".SubCommand(null).FlagReadbytes(false);
rds.Write(askingCmd);
rds.Read(askingCmd);
}
rds.Write(cmd);
rt = rds.Read(cmd);
}
catch (ProtocolViolationException)
{
rds.ReleaseSocket();
cmd._protocolErrorTryCount++;
if (cmd._protocolErrorTryCount <= pool._policy._connectionStringBuilder.Retry)
{
protocolRetry = true;
}
else
{
if (cmd.IsReadOnlyCommand() == false || cmd._protocolErrorTryCount > 1)
{
throw;
}
protocolRetry = true;
}
}
catch (Exception ex)
{
if (pool?.SetUnavailable(ex) == true)
{
}
throw;
}
}
if (protocolRetry)
{
return AdapterCall(cmd, parse);
}
if (rt.IsError && pool != null)
{
var moved = ClusterMoved.ParseSimpleError(rt.SimpleError);
if (moved != null && cmd._clusterMovedTryCount < 3)
{
cmd._clusterMovedTryCount++;
if (moved.endpoint.StartsWith("127.0.0.1"))
{
moved.endpoint = $"{DefaultRedisSocket.SplitHost(pool._policy._connectionStringBuilder.Host).Key}:{moved.endpoint.Substring(10)}";
}
else if (moved.endpoint.StartsWith("localhost", StringComparison.CurrentCultureIgnoreCase))
{
moved.endpoint = $"{DefaultRedisSocket.SplitHost(pool._policy._connectionStringBuilder.Host).Key}:{moved.endpoint.Substring(10)}";
}
ConnectionStringBuilder connectionString = pool._policy._connectionStringBuilder.ToString();
connectionString.Host = moved.endpoint;
RegisterClusterNode(connectionString);
if (moved.ismoved)
{
_slotCache.AddOrUpdate(moved.slot, connectionString.Host, (k1, v1) => connectionString.Host);
}
if (moved.isask)
{
cmd._clusterMovedAsking = true;
}
TopOwner.OnNotice(null, new NoticeEventArgs(NoticeType.Info, null, $"{(cmd.WriteTarget ?? "Not connected").PadRight(21)} > {cmd}\r\n{rt.SimpleError} ", null));
return AdapterCall(cmd, parse);
}
}
return parse(rt);
}));
}
public override TValue AdapterCall <TValue>(CommandPacket cmd, Func <RedisResult, TValue> parse)
{
return(TopOwner.LogCall(cmd, () =>
{
RedisResult rt = null;
RedisClientPool pool = null;
using (var rds = GetRedisSocket(cmd))
{
pool = (rds as DefaultRedisSocket.TempProxyRedisSocket)._pool;
try
{
if (cmd._clusterMovedAsking)
{
cmd._clusterMovedAsking = false;
rds.Write("ASKING");
rds.Read(false);
}
rds.Write(cmd);
rt = rds.Read(cmd._flagReadbytes);
}
catch (Exception ex)
{
if (pool?.SetUnavailable(ex) == true)
{
}
throw ex;
}
}
if (rt.IsError && pool != null)
{
var moved = ClusterMoved.ParseSimpleError(rt.SimpleError);
if (moved != null && cmd._clusterMovedTryCount < 3)
{
cmd._clusterMovedTryCount++;
if (moved.endpoint.StartsWith("127.0.0.1"))
{
moved.endpoint = $"{DefaultRedisSocket.SplitHost(pool._policy._connectionStringBuilder.Host).Key}:{moved.endpoint.Substring(10)}";
}
else if (moved.endpoint.StartsWith("localhost", StringComparison.CurrentCultureIgnoreCase))
{
moved.endpoint = $"{DefaultRedisSocket.SplitHost(pool._policy._connectionStringBuilder.Host).Key}:{moved.endpoint.Substring(10)}";
}
ConnectionStringBuilder connectionString = pool._policy._connectionStringBuilder.ToString();
connectionString.Host = moved.endpoint;
RegisterClusterNode(connectionString);
if (moved.ismoved)
{
_slotCache.AddOrUpdate(moved.slot, connectionString.Host, (k1, v1) => connectionString.Host);
}
if (moved.isask)
{
cmd._clusterMovedAsking = true;
}
TopOwner.OnNotice(new NoticeEventArgs(NoticeType.Info, null, $"{(cmd.WriteHost ?? "Not connected")} > {cmd}\r\n{rt.SimpleError} ", null));
return AdapterCall(cmd, parse);
}
}
rt.IsErrorThrow = TopOwner._isThrowRedisSimpleError;
return parse(rt);
}));
}
