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#pragma once
#include <IO/WriteHelpers.h>
#include <IO/ReadHelpers.h>
#include <IO/Operators.h>
#include <Common/ZooKeeper/IKeeper.h>
#include <Common/ZooKeeper/ZooKeeperConstants.h>
#include <cstdint>
#include <vector>
#include <array>
namespace Coordination
{
using namespace DB;
template <typename T>
requires is_arithmetic_v<T>
void write(T x, WriteBuffer & out)
{
writeBinaryBigEndian(x, out);
}
void write(OpNum x, WriteBuffer & out);
void write(const std::string & s, WriteBuffer & out);
void write(const ACL & acl, WriteBuffer & out);
void write(const Stat & stat, WriteBuffer & out);
void write(const Error & x, WriteBuffer & out);
template <size_t N>
void write(const std::array<char, N> s, WriteBuffer & out)
{
write(int32_t(N), out);
out.write(s.data(), N);
}
template <typename T>
void write(const std::vector<T> & arr, WriteBuffer & out)
{
write(int32_t(arr.size()), out);
for (const auto & elem : arr)
write(elem, out);
}
template <typename T>
requires is_arithmetic_v<T>
void read(T & x, ReadBuffer & in)
{
readBinaryBigEndian(x, in);
}
void read(OpNum & x, ReadBuffer & in);
void read(std::string & s, ReadBuffer & in);
void read(ACL & acl, ReadBuffer & in);
void read(Stat & stat, ReadBuffer & in);
void read(Error & x, ReadBuffer & in);
template <size_t N>
void read(std::array<char, N> & s, ReadBuffer & in)
{
int32_t size = 0;
read(size, in);
if (size != N)
throw Exception::fromMessage(Error::ZMARSHALLINGERROR, "Unexpected array size while reading from ZooKeeper");
in.readStrict(s.data(), N);
}
template <typename T>
void read(std::vector<T> & arr, ReadBuffer & in)
{
int32_t size = 0;
read(size, in);
if (size < 0)
throw Exception::fromMessage(Error::ZMARSHALLINGERROR, "Negative size while reading array from ZooKeeper");
if (size > MAX_STRING_OR_ARRAY_SIZE)
throw Exception::fromMessage(Error::ZMARSHALLINGERROR, "Too large array size while reading from ZooKeeper");
arr.resize(size);
for (auto & elem : arr)
read(elem, in);
}
}
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