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deadlock prevention

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This commit is contained in:
Ahmed Zamil
2022-03-31 02:27:30 +03:00
parent f258464063
commit 20fcaba518
7 changed files with 268 additions and 216 deletions
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121
Esiur/Data/DataDeserializer.cs
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@ -12,115 +12,115 @@ namespace Esiur.Data;
public static class DataDeserializer
{
public static AsyncReply NullParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply NullParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply(null);
}
public static AsyncReply BooleanTrueParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply BooleanTrueParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<bool>(true);
}
public static AsyncReply BooleanFalseParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply BooleanFalseParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<bool>(false);
}
public static AsyncReply NotModifiedParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply NotModifiedParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<NotModified>(new NotModified());
}
public static AsyncReply ByteParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply ByteParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<byte>(data[offset]);
}
public static AsyncReply SByteParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply SByteParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<sbyte>((sbyte)data[offset]);
}
public static unsafe AsyncReply Char16Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Char16Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<char>(*(char*)ptr);
}
public static AsyncReply Char8Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply Char8Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<char>((char)data[offset]);
}
public static unsafe AsyncReply Int16Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Int16Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<short>(*(short*)ptr);
}
public static unsafe AsyncReply UInt16Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply UInt16Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<ushort>(*(ushort*)ptr);
}
public static unsafe AsyncReply Int32Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Int32Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<int>(*(int*)ptr);
}
public static unsafe AsyncReply UInt32Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply UInt32Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<uint>(*(uint*)ptr);
}
public static unsafe AsyncReply Float32Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Float32Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<float>(*(float*)ptr);
}
public static unsafe AsyncReply Float64Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Float64Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<double>(*(double*)ptr);
}
public static unsafe AsyncReply Float128Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Float128Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<decimal>(*(decimal*)ptr);
}
public static unsafe AsyncReply Int128Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Int128Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<decimal>(*(decimal*)ptr);
}
public static unsafe AsyncReply UInt128Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply UInt128Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<decimal>(*(decimal*)ptr);
}
public static unsafe AsyncReply Int64Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply Int64Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<long>(*(long*)ptr);
}
public static unsafe AsyncReply UInt64Parser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply UInt64Parser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<ulong>(*(ulong*)ptr);
}
public static unsafe AsyncReply DateTimeParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply DateTimeParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return new AsyncReply<DateTime>(new DateTime(*(long*)ptr, DateTimeKind.Utc));
@ -128,14 +128,14 @@ public static class DataDeserializer
}
public static unsafe AsyncReply ResourceParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply ResourceParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return connection.Fetch(*(uint*)ptr);
return connection.Fetch(*(uint*)ptr, requestSequence);
}
public static unsafe AsyncReply LocalResourceParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply LocalResourceParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
fixed (byte* ptr = &data[offset])
return Warehouse.GetById(*(uint*)ptr);
@ -143,17 +143,17 @@ public static class DataDeserializer
}
public static unsafe AsyncReply RawDataParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply RawDataParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<byte[]>(data.Clip(offset, length));
}
public static unsafe AsyncReply StringParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply StringParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
return new AsyncReply<string>(data.GetString(offset, length));
}
public static unsafe AsyncReply RecordParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply RecordParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var reply = new AsyncReply<IRecord>();
@ -165,10 +165,9 @@ public static class DataDeserializer
var template = Warehouse.GetTemplateByClassId((Guid)classId, TemplateType.Record);
if (template != null)
var initRecord = (TypeTemplate template) =>
{
//ListParser(data, offset, length, connection)
ListParser(data, offset, length, connection).Then(r =>
ListParser(data, offset, length, connection, requestSequence).Then(r =>
{
var ar = (object[])r;
@ -181,7 +180,8 @@ public static class DataDeserializer
{
var v = Convert.ChangeType(ar[i], template.Properties[i].PropertyInfo.PropertyType);
template.Properties[i].PropertyInfo.SetValue(record, v);
} catch ( Exception ex)
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
@ -199,21 +199,24 @@ public static class DataDeserializer
reply.Trigger(record);
}
});
};
if (template != null)
{
initRecord(template);
}
else
{
connection.GetTemplate((Guid)classId).Then(tmp =>
{
ListParser(data, offset, length, connection).Then(r =>
ListParser(data, offset, length, connection, requestSequence).Then(r =>
{
var ar = (object[])r;
if (tmp == null)
reply.TriggerError(new AsyncException(ErrorType.Management, (ushort)ExceptionCode.TemplateNotFound,
"Template not found for record."));
else
initRecord(tmp);
var record = new Record();
for (var i = 0; i < tmp.Properties.Length; i++)
record.Add(tmp.Properties[i].Name, ar[i]);
reply.Trigger(record);
});
}).Error(x => reply.TriggerError(x));
}
@ -221,12 +224,12 @@ public static class DataDeserializer
return reply;
}
public static unsafe AsyncReply ConstantParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply ConstantParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
throw new NotImplementedException();
}
public static unsafe AsyncReply EnumParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static unsafe AsyncReply EnumParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var classId = data.GetGuid(offset);
@ -245,7 +248,7 @@ public static class DataDeserializer
connection.GetTemplate((Guid)classId).Then(tmp =>
{
reply.Trigger(tmp.Constants[index].Value);
reply.Trigger(tmp.Constants[index].Value);
}).Error(x => reply.TriggerError(x));
return reply;
@ -254,13 +257,13 @@ public static class DataDeserializer
public static AsyncReply RecordListParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply RecordListParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var rt = new AsyncBag<IRecord>();
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
rt.Add(reply);
@ -278,13 +281,13 @@ public static class DataDeserializer
return rt;
}
public static AsyncReply ResourceListParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply ResourceListParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var rt = new AsyncBag<IResource>();
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
rt.Add(reply);
@ -303,13 +306,13 @@ public static class DataDeserializer
}
public static AsyncBag<object> ListParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncBag<object> ListParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var rt = new AsyncBag<object>();
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
rt.Add(reply);
@ -327,7 +330,7 @@ public static class DataDeserializer
return rt;
}
public static AsyncReply TypedMapParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply TypedMapParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
// get key type
var (keyCs, keyRepType) = RepresentationType.Parse(data, offset);
@ -346,7 +349,7 @@ public static class DataDeserializer
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
results.Add(reply);
@ -376,7 +379,7 @@ public static class DataDeserializer
}
public static AsyncReply TupleParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply TupleParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var results = new AsyncBag<object>();
var rt = new AsyncReply();
@ -396,7 +399,7 @@ public static class DataDeserializer
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
results.Add(reply);
@ -435,7 +438,7 @@ public static class DataDeserializer
return rt;
}
public static AsyncReply TypedListParser(byte[] data, uint offset, uint length, DistributedConnection connection)
public static AsyncReply TypedListParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)
{
var rt = new AsyncBag<object>();
@ -451,7 +454,7 @@ public static class DataDeserializer
while (length > 0)
{
var (cs, reply) = Codec.Parse(data, offset, connection);
var (cs, reply) = Codec.Parse(data, offset, connection, requestSequence);
rt.Add(reply);
@ -470,12 +473,12 @@ public static class DataDeserializer
}
public static AsyncBag<PropertyValue> PropertyValueArrayParser(byte[] data, uint offset, uint length, DistributedConnection connection)//, bool ageIncluded = true)
public static AsyncBag<PropertyValue> PropertyValueArrayParser(byte[] data, uint offset, uint length, DistributedConnection connection, uint[] requestSequence)//, bool ageIncluded = true)
{
var rt = new AsyncBag<PropertyValue>();
ListParser(data, offset, length, connection).Then(x =>
ListParser(data, offset, length, connection, requestSequence).Then(x =>
{
var ar = (object[])x;
var pvs = new List<PropertyValue>();
@ -491,7 +494,7 @@ public static class DataDeserializer
}
public static (uint, AsyncReply<PropertyValue>) PropertyValueParser(byte[] data, uint offset, DistributedConnection connection)//, bool ageIncluded = true)
public static (uint, AsyncReply<PropertyValue>) PropertyValueParser(byte[] data, uint offset, DistributedConnection connection, uint[] requestSequence)//, bool ageIncluded = true)
{
var reply = new AsyncReply<PropertyValue>();
@ -502,7 +505,7 @@ public static class DataDeserializer
offset += 8;
var (valueSize, results) = Codec.Parse(data, offset, connection);
var (valueSize, results) = Codec.Parse(data, offset, connection, requestSequence);
results.Then(value =>
{
@ -512,7 +515,7 @@ public static class DataDeserializer
return (16 + valueSize, reply);
}
public static AsyncReply<KeyList<PropertyTemplate, PropertyValue[]>> HistoryParser(byte[] data, uint offset, uint length, IResource resource, DistributedConnection connection)
public static AsyncReply<KeyList<PropertyTemplate, PropertyValue[]>> HistoryParser(byte[] data, uint offset, uint length, IResource resource, DistributedConnection connection, uint[] requestSequence)
{
//var count = (int)toAge - (int)fromAge;
@ -531,7 +534,7 @@ public static class DataDeserializer
var cs = data.GetUInt32(offset, Endian.Little);
offset += 4;
var (len, pv) = PropertyValueParser(data, offset, connection);
var (len, pv) = PropertyValueParser(data, offset, connection, requestSequence);
bagOfBags.Add(pv);// ParsePropertyValueArray(data, offset, cs, connection));
offset += len;