mirror of
https://github.com/OpenVPN/openvpn3.git
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92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2013-2014 OpenVPN Technologies, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_ERROR_EXCODE_H
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#define OPENVPN_ERROR_EXCODE_H
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#include <string>
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#include <exception>
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#include <openvpn/error/error.hpp>
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namespace openvpn {
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// Define an exception object that allows an Error::Type code to be thrown
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class ExceptionCode : public std::exception
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{
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enum {
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FATAL_FLAG = 0x80000000
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};
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public:
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ExceptionCode()
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: code_(0) {}
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ExceptionCode(const Error::Type code)
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: code_(code) {}
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ExceptionCode(const Error::Type code, const bool fatal)
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: code_(mkcode(code, fatal)) {}
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void set_code(const Error::Type code)
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{
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code_ = code;
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}
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void set_code(const Error::Type code, const bool fatal)
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{
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code_ = mkcode(code, fatal);
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}
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Error::Type code() const { return Error::Type(code_ & ~FATAL_FLAG); }
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bool fatal() const { return (code_ & FATAL_FLAG) != 0; }
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bool code_defined() const { return code_ != 0; }
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virtual ~ExceptionCode() throw() {}
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private:
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static unsigned int mkcode(const Error::Type code, const bool fatal)
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{
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unsigned int ret = code;
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if (fatal)
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ret |= FATAL_FLAG;
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return ret;
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}
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unsigned int code_;
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};
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class ErrorCode : public ExceptionCode
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{
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public:
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ErrorCode(const Error::Type code, const bool fatal, const std::string& err)
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: ExceptionCode(code, fatal) , err_(err) {}
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virtual const char* what() const throw() { return err_.c_str(); }
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virtual ~ErrorCode() throw() {}
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private:
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std::string err_;
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};
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}
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#endif
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