error.cc

Go to the documentation of this file.
00001 ///
00002 /// \file       error.cc
00003 ///             Common exception classes for the Barry library
00004 ///
00005 
00006 /*
00007     Copyright (C) 2005-2012, Net Direct Inc. (http://www.netdirect.ca/)
00008 
00009     This program is free software; you can redistribute it and/or modify
00010     it under the terms of the GNU General Public License as published by
00011     the Free Software Foundation; either version 2 of the License, or
00012     (at your option) any later version.
00013 
00014     This program is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00017 
00018     See the GNU General Public License in the COPYING file at the
00019     root directory of this project for more details.
00020 */
00021 
00022 #include "error.h"
00023 #include <sstream>
00024 #include <string.h>
00025 
00026 using namespace std;
00027 
00028 namespace Barry {
00029 
00030 //////////////////////////////////////////////////////////////////////////////
00031 // BadSize exception
00032 
00033 BadSize::BadSize(const char *msg, unsigned int data_size,
00034                         unsigned int required_size)
00035         : Barry::Error(GetMsg(msg, data_size, required_size))
00036         , m_packet_size(0)
00037         , m_data_buf_size(data_size)
00038         , m_required_size(required_size)
00039 {
00040 }
00041 
00042 BadSize::BadSize(unsigned int packet_size,
00043                         unsigned int data_buf_size,
00044                         unsigned int required_size)
00045         : Barry::Error(GetMsg(packet_size, data_buf_size, required_size))
00046         , m_packet_size(packet_size)
00047         , m_data_buf_size(data_buf_size)
00048         , m_required_size(required_size)
00049 {
00050 }
00051 
00052 std::string BadSize::GetMsg(const char *msg, unsigned int d, unsigned int r)
00053 {
00054         std::ostringstream oss;
00055         oss << msg << ": Bad packet size, not enough data: DataSize(): " << d
00056             << ". Required size: " << r;
00057         return oss.str();
00058 }
00059 
00060 std::string BadSize::GetMsg(unsigned int p, unsigned int d, unsigned int r)
00061 {
00062         std::ostringstream oss;
00063         oss << "Bad packet size. Packet: " << p
00064             << ". DataSize(): " << d
00065             << ". Required size: " << r;
00066         return oss.str();
00067 }
00068 
00069 
00070 //////////////////////////////////////////////////////////////////////////////
00071 // ErrnoError exception
00072 
00073 ErrnoError::ErrnoError(const std::string &msg)
00074         : Barry::Error(msg)
00075         , m_errno(0)
00076 {
00077 }
00078 
00079 ErrnoError::ErrnoError(const std::string &msg, int err)
00080         : Barry::Error(GetMsg(msg, err))
00081         , m_errno(err)
00082 {
00083 }
00084 
00085 std::string ErrnoError::GetMsg(const std::string &msg, int err)
00086 {
00087         std::ostringstream oss;
00088         oss << msg << ": (errno " << err << ") " << strerror(err);
00089         return oss.str();
00090 }
00091 
00092 } // namespace Barry
00093