# error.cc

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    00001 ///
    00002 /// \file       error.cc
    00003 ///             Common exception classes for the Barry library
    00004 ///
    00005
    00006 /*
    00007     Copyright (C) 2005-2011, 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