#pragma once
#include <functional>
#include <memory>
namespace trantor
{
enum class SSLError
{
    kSSLHandshakeError,
    kSSLInvalidCertificate,
    kSSLProtocolError
};
using TimerCallback = std::function<void()>;
class TcpConnection;
class MsgBuffer;
using TcpConnectionPtr = std::shared_ptr<TcpConnection>;
using RecvMessageCallback =
    std::function<void(const TcpConnectionPtr &, MsgBuffer *)>;
using ConnectionErrorCallback = std::function<void()>;
using ConnectionCallback = std::function<void(const TcpConnectionPtr &)>;
using CloseCallback = std::function<void(const TcpConnectionPtr &)>;
using WriteCompleteCallback = std::function<void(const TcpConnectionPtr &)>;
using HighWaterMarkCallback =
    std::function<void(const TcpConnectionPtr &, const size_t)>;
using SSLErrorCallback = std::function<void(SSLError)>;
using SockOptCallback = std::function<void(int)>;
}