#pragma once

#include "envoy/api/io_error.h"

#include "source/common/common/assert.h"

namespace Envoy {

namespace Network {

class IoSocketError : public Api::IoError {

public:

  static Api::IoErrorPtr create(int sys_errno);

  Api::IoError::IoErrorCode getErrorCode() const override;

  std::string getErrorDetails() const override;

  // IoErrorCode::Again is used frequently. This custom error returns a

  // reusable singleton to avoid repeated allocation.

  static Api::IoErrorPtr getIoSocketEagainError();

  static Api::IoErrorPtr getIoSocketEbadfError();

  // This error is introduced when Envoy create socket for unsupported address. It is either a bug,

  // or this Envoy instance received config which is not yet supported. This should not be fatal

  // error.

  static Api::IoCallUint64Result ioResultSocketInvalidAddress();

private:

  explicit IoSocketError(int sys_errno)

  explicit IoSocketError(int sys_errno, Api::IoError::IoErrorCode error_code)

  static Api::IoError::IoErrorCode errorCodeFromErrno(int sys_errno);

  static Api::IoErrorPtr getIoSocketInvalidAddressError();

  const int errno_;

  const Api::IoError::IoErrorCode error_code_;

};

} // namespace Network

} // namespace Envoy