126 lines
2.5 KiB
C++
126 lines
2.5 KiB
C++
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file is part of zmqpp.
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* Copyright (c) 2011-2015 Contributors as noted in the AUTHORS file.
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*/
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/**
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* \file
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*
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* \date 9 Aug 2011
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* \author Ben Gray (\@benjamg)
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*/
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#ifndef ZMQPP_EXCEPTION_HPP_
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#define ZMQPP_EXCEPTION_HPP_
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#include <stdexcept>
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#include <string>
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#include <zmq.h>
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#include "compatibility.hpp"
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namespace zmqpp
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{
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/** \todo Have a larger variety of exceptions with better state debug information */
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/**
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* Represents the base zmqpp exception.
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*
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* All zmqpp runtime exceptions are children of this class.
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* The class itself does not provide any special access fields but it only
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* for convince when catching exceptions.
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*
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* The class extends std::runtime_error.
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*
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*/
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class ZMQPP_EXPORT exception : public std::runtime_error
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{
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public:
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/**
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* Standard exception constructor.
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*
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* \param message a string representing the error message.
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*/
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exception(std::string const& message)
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: std::runtime_error(message)
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{ }
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};
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/**
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* Represents an attempt to use an invalid object.
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*
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* Objects may be invalid initially or after a shutdown or close.
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*/
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class ZMQPP_EXPORT invalid_instance : public exception
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{
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public:
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invalid_instance(std::string const& message)
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: exception(message)
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{ }
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};
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/**
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* Represents a failed zmqpp::actor initialization.
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*/
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class ZMQPP_EXPORT actor_initialization_exception : public exception
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{
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public:
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actor_initialization_exception() :
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exception("Actor Initialization Exception")
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{
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}
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};
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/**
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* Thrown when an error occurs while encoding or decoding to/from z85.
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* See ZMQ RFC 32
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*/
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class ZMQPP_EXPORT z85_exception : public exception
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{
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public:
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z85_exception(const std::string &msg):
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exception(msg)
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{
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}
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};
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/**
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* Represents internal zmq errors.
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*
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* Any error response from the zmq bindings will be wrapped in this error.
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*
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* The class provides access to the zmq error number via zmq_error().
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*/
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class ZMQPP_EXPORT zmq_internal_exception : public exception
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{
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public:
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/**
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* Uses the zmq functions to pull out error messages and numbers.
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*/
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zmq_internal_exception()
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: exception(zmq_strerror(zmq_errno()))
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, _error(zmq_errno())
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{ }
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/**
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* Retrieve the zmq error number associated with this exception.
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* \return zmq error number
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*/
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int zmq_error() const { return _error; }
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private:
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int _error;
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};
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}
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#endif /* ZMQPP_EXCEPTION_HPP_ */
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