SocketException.hpp

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#pragma once
 
#include "common.hpp"
 
#include <exception>
#include <sstream>
#include <stdexcept>
#include <string>
#include <utility>
 
namespace jsocketpp
{

class SocketException : public std::runtime_error
{
  public:
    explicit SocketException(const std::string& message = "SocketException")
        : std::runtime_error(message), _errorCode(0)
    {
    }

    explicit SocketException(const int code, const std::string& message = "SocketException")
        : std::runtime_error(buildErrorMessage(message, code)), _errorCode(code)
    {
    }

    SocketException(const std::string& message, std::exception_ptr nested)
        : std::runtime_error(message), _errorCode(0), _nested(std::move(nested))
    {
    }

    [[nodiscard]] int getErrorCode() const noexcept { return _errorCode; }

    [[nodiscard]] std::exception_ptr getNestedException() const noexcept { return _nested; }

    ~SocketException() override = default;
 
  private:
    int _errorCode;               
    std::exception_ptr _nested{}; 

    static std::string buildErrorMessage(const std::string& msg, const int code)
    {
        std::ostringstream oss;
        oss << msg << " (error code " << code << ")";
        return oss.str();
    }
};
 
} // namespace jsocketpp