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ReqGenUtils.cs
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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
using System.Text;
namespace Resp.benchmark
{
public unsafe partial class ReqGen
{
static readonly bool invalidateHLL = false;
private bool WriteHeader(byte[] headerData, ref byte* curr, byte* vend)
{
byte* save = curr;
if (curr + headerData.Length >= vend)
return false;
for (int i = 0; i < headerData.Length; i++)
*curr++ = headerData[i];
return true;
}
private bool WriteOp(ref byte* curr, byte* vend, OpType opType)
{
int n;
var bitopType = opType switch
{
OpType.BITOP_AND => Encoding.ASCII.GetBytes("AND"),
OpType.BITOP_OR => Encoding.ASCII.GetBytes("OR"),
OpType.BITOP_XOR => Encoding.ASCII.GetBytes("XOR"),
OpType.BITOP_NOT => Encoding.ASCII.GetBytes("NOT"),
_ => null
};
byte[] keyData = null;
//key
switch (opType)
{
case OpType.ZADD:
case OpType.ZREM:
case OpType.ZCARD:
case OpType.GEOADD:
case OpType.PFADD:
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.PFCOUNT:
if (!WriteKey(ref curr, vend, out keyData))
return false;
if (invalidateHLL)
{
//Try to invalidate PFCOUNT
if (!WriteHeader(Encoding.ASCII.GetBytes($"*3\r\n$5\r\nPFADD\r\n"), ref curr, vend))
return false;
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
}
break;
case OpType.PFMERGE:
int key = keyRandomGen.Next(0, hllDstMergeKeyCount);
if (!WriteKey(ref curr, vend, key))
return false;
if (invalidateHLL)
{
//Try to delete merge HLL
if (!WriteHeader(Encoding.ASCII.GetBytes($"*2\r\n$3\r\nDEL\r\n"), ref curr, vend))
return false;
if (!WriteKey(ref curr, vend, key))
return false;
}
break;
case OpType.MSET:
case OpType.INCR:
case OpType.GET:
case OpType.SET:
case OpType.SETEX:
case OpType.MGET:
case OpType.SETBIT:
case OpType.GETBIT:
case OpType.BITCOUNT:
case OpType.BITPOS:
case OpType.SETIFPM:
case OpType.MYDICTSET:
case OpType.MYDICTGET:
if (!WriteKey(ref curr, vend, out keyData))
return false;
break;
case OpType.BITOP_AND:
case OpType.BITOP_OR:
case OpType.BITOP_XOR:
case OpType.BITOP_NOT:
if (!WriteStringBytes(ref curr, vend, bitopType))
return false;
break;
case OpType.BITFIELD:
case OpType.BITFIELD_GET:
case OpType.BITFIELD_SET:
case OpType.BITFIELD_INCR:
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.PING:
return true;
default:
break;
}
//arg1
switch (opType)
{
case OpType.ZADD:
case OpType.ZREM:
n = Start + r.Next(DbSize);
if (!WriteInteger(n, ref curr, vend))
return false;
break;
case OpType.PFADD:
case OpType.MSET:
if (valueLen == 0)
{
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
}
else
{
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
}
break;
case OpType.MYDICTSET:
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
if (valueLen == 0)
{
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
}
else
{
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
}
break;
case OpType.MYDICTGET:
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
break;
case OpType.SETIFPM:
if (valueLen == 0)
{
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
}
else
{
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
}
if (valueLen == 0)
{
if (!WriteStringBytes(ref curr, vend, keyData))
return false;
}
else
{
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
}
break;
case OpType.MPFADD:
case OpType.SET:
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
break;
case OpType.SETEX:
if (!WriteInteger(ttl, ref curr, vend))
return false;
break;
case OpType.PFMERGE:
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.INCR:
case OpType.GET:
case OpType.MGET:
break;
case OpType.SETBIT:
case OpType.GETBIT:
n = valueRandomGen.Next(0, (valueLen << 3) - 1);
if (!WriteInteger(n, ref curr, vend))
return false;
break;
case OpType.BITCOUNT:
break;
case OpType.BITPOS:
if (!WriteInteger(valueRandomGen.Next(0, 1), ref curr, vend))
return false;
break;
case OpType.BITOP_AND:
case OpType.BITOP_OR:
case OpType.BITOP_XOR:
case OpType.BITOP_NOT:
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.BITFIELD:
bitfieldOpCount = 3;
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("SET")))
return false;
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("INCRBY")))
return false;
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("GET")))
return false;
break;
case OpType.BITFIELD_GET:
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("GET")))
return false;
break;
case OpType.BITFIELD_SET:
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("SET")))
return false;
break;
case OpType.BITFIELD_INCR:
if (!WriteBitfieldArgs(ref curr, vend, Encoding.ASCII.GetBytes("INCRBY")))
return false;
break;
case OpType.GEOADD:
if (!WriteStringBytes(ref curr, vend, Encoding.ASCII.GetBytes(GeoUtils.GetValidGeo().lng)))
return false;
break;
default:
break;
}
//arg2
switch (opType)
{
case OpType.ZADD:
n = Start + r.Next(DbSize);
if (!WriteInteger(n, ref curr, vend))
return false;
break;
case OpType.ZREM:
case OpType.PFADD:
case OpType.MSET:
case OpType.INCR:
case OpType.GET:
case OpType.MGET:
break;
case OpType.SETBIT:
n = valueRandomGen.Next(0, 1);
if (!WriteInteger(n, ref curr, vend))
return false;
break;
case OpType.GETBIT:
case OpType.BITCOUNT:
case OpType.BITPOS:
break;
case OpType.BITOP_AND:
case OpType.BITOP_OR:
case OpType.BITOP_XOR:
for (int i = 0; i < bitOpSrckeyCount; i++)
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.BITOP_NOT:
if (!WriteKey(ref curr, vend))
return false;
break;
case OpType.BITFIELD:
case OpType.BITFIELD_GET:
case OpType.BITFIELD_SET:
case OpType.BITFIELD_INCR:
case OpType.GEOADD:
if (!WriteStringBytes(ref curr, vend, Encoding.ASCII.GetBytes(GeoUtils.GetValidGeo().lat)))
return false;
break;
case OpType.SETEX:
RandomString();
if (!WriteStringBytes(ref curr, vend, valueBuffer))
return false;
break;
default:
break;
}
// arg3
switch (opType)
{
case OpType.GEOADD:
n = Start + r.Next(DbSize);
if (!WriteInteger(n, ref curr, vend))
return false;
break;
default:
break;
}
return true;
}
private bool WriteBitfieldArgs(ref byte* curr, byte* vend, byte[] bitfieldOpType)
{
int offset = valueRandomGen.Next(0, (valueBuffer.Length << 3) - 64);
int bitCount = valueRandomGen.Next(1, 64);
long vset = RandomIntBitRange(bitCount, true);
byte[] typeData = Encoding.ASCII.GetBytes("i" + bitCount.ToString());
WriteStringBytes(ref curr, vend, bitfieldOpType);
WriteStringBytes(ref curr, vend, typeData);
WriteInteger(offset, ref curr, vend);
if (bitfieldOpType[0] == 'G') return true;
WriteInteger(vset, ref curr, vend);
return true;
}
private bool WriteKey(ref byte* curr, byte* vend)
{
int key = randomGen ? keyRandomGen.Next(Start, DbSize) : (Start + keyIndex++);
byte[] keyData = Encoding.ASCII.GetBytes(key.ToString().PadLeft(keyLen, 'X'));
return WriteStringBytes(ref curr, vend, keyData);
}
private bool WriteKey(ref byte* curr, byte* vend, out byte[] keyData)
{
int key;
if (randomGen)
{
if (zipf)
key = Start + zipfg.Next();
else
key = Start + keyRandomGen.Next(DbSize);
}
else
key = Start + keyIndex++;
keyData = Encoding.ASCII.GetBytes(key.ToString().PadLeft(keyLen, numericValue ? '0' : 'X'));
return WriteStringBytes(ref curr, vend, keyData);
}
private bool WriteKey(ref byte* curr, byte* vend, int key)
{
byte[] keyData = Encoding.ASCII.GetBytes(key.ToString().PadLeft(keyLen, 'X'));
return WriteStringBytes(ref curr, vend, keyData);
}
private bool WriteInteger(int n, ref byte* curr, byte* vend)
{
int nd = NumUtils.NumDigits(n);
int sign = ((n < 0) ? 1 : 0);
int ndSize = NumUtils.NumDigits(nd + sign);
int totalLen = 1 + ndSize + 2 + (nd + sign) + 2;
if (curr + totalLen >= vend)
return false;
*curr++ = (byte)'$';
NumUtils.IntToBytes(nd + sign, ref curr);
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
NumUtils.IntToBytes(n, nd, ref curr);
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
return true;
}
private bool WriteInteger(long n, ref byte* curr, byte* vend)
{
int nd = NumUtils.NumDigitsInLong(n);
int sign = ((n < 0) ? 1 : 0);
int ndSize = NumUtils.NumDigits(nd + sign);
int totalLen = 1 + ndSize + 2 + (nd + sign) + 2;
if (curr + totalLen >= vend)
return false;
*curr++ = (byte)'$';
NumUtils.IntToBytes(nd + sign, ref curr);
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
NumUtils.LongToBytes(n, nd, ref curr);
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
return true;
}
private bool WriteStringBytes(ref byte* curr, byte* vend, byte[] data)
{
int digits = NumUtils.NumDigits(data.Length);
int totalLen = 1 + digits + 2 + data.Length + 2;
if (curr + totalLen >= vend)
return false;
*curr++ = (byte)'$';
NumUtils.IntToBytes(data.Length, ref curr);
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
for (int i = 0; i < data.Length; i++) *curr++ = (byte)data[i];
*curr++ = (byte)'\r';
*curr++ = (byte)'\n';
return true;
}
}
}