src/error.cc

   1 ///
   2 /// \file       error.cc
   3 ///             Common exception classes for the Barry library
   4 ///
   5
   6 /*
   7     Copyright (C) 2005-2012, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include "error.h"
  23 #include <sstream>
  24 #include <string.h>
  25
  26 using namespace std;
  27
  28 namespace Barry {
  29
  30 //////////////////////////////////////////////////////////////////////////////
  31 // BadSize exception
  32
  33 BadSize::BadSize(const char *msg, unsigned int data_size,
  34                         unsigned int required_size)
  35         : Barry::Error(GetMsg(msg, data_size, required_size))
  36         , m_packet_size(0)
  37         , m_data_buf_size(data_size)
  38         , m_required_size(required_size)
  39 {
  40 }
  41
  42 BadSize::BadSize(unsigned int packet_size,
  43                         unsigned int data_buf_size,
  44                         unsigned int required_size)
  45         : Barry::Error(GetMsg(packet_size, data_buf_size, required_size))
  46         , m_packet_size(packet_size)
  47         , m_data_buf_size(data_buf_size)
  48         , m_required_size(required_size)
  49 {
  50 }
  51
  52 std::string BadSize::GetMsg(const char *msg, unsigned int d, unsigned int r)
  53 {
  54         std::ostringstream oss;
  55         oss << msg << ": Bad packet size, not enough data: DataSize(): " << d
  56             << ". Required size: " << r;
  57         return oss.str();
  58 }
  59
  60 std::string BadSize::GetMsg(unsigned int p, unsigned int d, unsigned int r)
  61 {
  62         std::ostringstream oss;
  63         oss << "Bad packet size. Packet: " << p
  64             << ". DataSize(): " << d
  65             << ". Required size: " << r;
  66         return oss.str();
  67 }
  68
  69
  70 //////////////////////////////////////////////////////////////////////////////
  71 // ErrnoError exception
  72
  73 ErrnoError::ErrnoError(const std::string &msg)
  74         : Barry::Error(msg)
  75         , m_errno(0)
  76 {
  77 }
  78
  79 ErrnoError::ErrnoError(const std::string &msg, int err)
  80         : Barry::Error(GetMsg(msg, err))
  81         , m_errno(err)
  82 {
  83 }
  84
  85 std::string ErrnoError::GetMsg(const std::string &msg, int err)
  86 {
  87         std::ostringstream oss;
  88         oss << msg << ": (errno " << err << ") " << strerror(err);
  89         return oss.str();
  90 }
  91
  92 } // namespace Barry
  93