tnerror.cpp

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//Telnet Win32 : an ANSI telnet client.
//Copyright (C) 1998-2000 Paul Brannan
//Copyright (C) 1998 I.Ioannou
//Copyright (C) 1997 Brad Johnson
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either version 2
//of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//I.Ioannou
//roryt@hol.gr
//
 
//
// Module:      tnerror.cpp
//
// Contents:    error reporting
//
// Product:     telnet
//
// Revisions: June 15, 1998 Paul Brannan <pbranna@clemson.edu>
//            May 15, 1998 Paul Brannan
//            5.April.1997 jbj@nounname.com
//            5.Dec.1996 jbj@nounname.com
//            Version 2.0
//
//            02.Apr.1995   igor.milavec@uni-lj.si
//                    Original code
//
 
#include "precomp.h"
 
#include <time.h>
 
#ifndef LANG_USER_DEFAULT
#define LANG_USER_DEFAULT 400
#endif
 
// This has been moved to tnconfig.cpp
// int Telnet_Redir = 0;
// Telnet_Redir is set to the value of the environment variable TELNET_REDIR
// in main.
 
int printit(const char * it){
    DWORD numwritten;
    if (!ini.get_output_redir()) {
        if (!WriteConsole(
            GetStdHandle(STD_OUTPUT_HANDLE),    // handle of a console screen buffer
            it, // address of buffer to write from
            strlen(it), // number of characters to write
            &numwritten,    // address of number of characters written
            0   // reserved
            )) return -1;
        // FIX ME!!! We need to tell the console that the cursor has moved.
        // Does this mean making Console global?
        // Paul Brannan 6/14/98
        // Console.sync();
    }else{
        if (!WriteFile(
            GetStdHandle(STD_OUTPUT_HANDLE),    // handle of a console screen buffer
            it, // address of buffer to write from
            strlen(it), // number of characters to write
            &numwritten,    // address of number of characters written
            NULL // no overlapped I/O
            )) return -1;
    }
    return 0;
}
 
int printm(LPTSTR szModule, BOOL fSystem, DWORD dwMessageId, ...)
{
    int Result = 0;
 
    HMODULE hModule = 0;
    if (szModule)
        hModule = LoadLibrary(szModule);
 
    va_list Ellipsis;
    va_start(Ellipsis, dwMessageId);
 
    LPTSTR pszMessage = 0;
    DWORD dwMessage = 0;
    if(fSystem) {
        dwMessage = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
            FORMAT_MESSAGE_FROM_SYSTEM, hModule, dwMessageId,
            LANG_USER_DEFAULT, (LPTSTR)&pszMessage, 128, &Ellipsis);
    } else {
        // we will use a string table.
        char szString[256];
        if(LoadString(0, dwMessageId, szString, sizeof(szString)))
            dwMessage = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                FORMAT_MESSAGE_FROM_STRING, szString, dwMessageId,
                LANG_USER_DEFAULT, (LPTSTR)&pszMessage, 256, &Ellipsis);
    }
 
    va_end(Ellipsis);
 
    if (szModule)
        FreeLibrary(hModule);
 
    if (dwMessage) {
 
        Result = printit(pszMessage);
        LocalFree(pszMessage);
    }
 
    return Result;
}
 
 
void LogErrorConsole(LPTSTR szError)
{
    DWORD dwLastError = GetLastError();
 
    const int cbLastError = 1024;
    TCHAR szLastError[cbLastError];
    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, dwLastError, LANG_USER_DEFAULT,
        szLastError, cbLastError, 0);
 
    LPTSTR lpszStrings[2];
    lpszStrings[0] = szError;
    lpszStrings[1] = szLastError;
 
    const int cbErrorString = 1024;
    TCHAR szErrorString[cbErrorString];
    FormatMessage(FORMAT_MESSAGE_FROM_HMODULE| FORMAT_MESSAGE_ARGUMENT_ARRAY,
        0, MSG_ERROR, LANG_USER_DEFAULT,
        szErrorString, cbErrorString, (va_list*)lpszStrings);
 
    time_t dwTime;
    time(&dwTime);
    char* szTime = ctime(&dwTime);
    szTime[19] = 0;
 
    //  printf("E %s %s", szTime + 11, szErrorString);
    char * buf;
    buf = new char [ 3 + strlen(szTime) - 11 + strlen(szErrorString) + 5 ];
    sprintf( buf,"E %s %s", szTime + 11, szErrorString);
    printit(buf);
    delete [] buf;
}
 
 
void LogWarningConsole(DWORD dwEvent, LPTSTR szWarning)
{
    DWORD dwLastError = GetLastError();
 
    const int cbLastError = 1024;
    TCHAR szLastError[cbLastError];
    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, dwLastError, LANG_USER_DEFAULT,
        szLastError, cbLastError, 0);
 
    LPTSTR lpszStrings[2];
    lpszStrings[0] = szWarning;
    lpszStrings[1] = szLastError;
 
    const int cbWarningString = 1024;
    TCHAR szWarningString[cbWarningString];
    FormatMessage(FORMAT_MESSAGE_FROM_HMODULE| FORMAT_MESSAGE_ARGUMENT_ARRAY,
        0, dwEvent, LANG_USER_DEFAULT,
        szWarningString, cbWarningString, (va_list*)lpszStrings);
 
    time_t dwTime;
    time(&dwTime);
    char* szTime = ctime(&dwTime);
    szTime[19] = 0;
 
    //  printf("W %s %s", szTime + 11, szWarningString);
    char * buf;
    buf = new char [ 3 + strlen(szTime) - 11 + strlen(szWarningString) + 5 ];
    sprintf(buf ,"W %s %s", szTime + 11, szWarningString);
    printit(buf);
    delete [] buf;
 
}
 
 
void LogInfoConsole(DWORD dwEvent, LPTSTR szInformation)
{
    LPTSTR lpszStrings[1];
    lpszStrings[0] = szInformation;
 
    const int cbInfoString = 1024;
    TCHAR szInfoString[cbInfoString];
    FormatMessage(FORMAT_MESSAGE_FROM_HMODULE| FORMAT_MESSAGE_ARGUMENT_ARRAY,
        0, dwEvent, LANG_USER_DEFAULT,
        szInfoString, cbInfoString, (va_list*)lpszStrings);
 
    time_t dwTime;
    time(&dwTime);
    char* szTime = ctime(&dwTime);
    szTime[19] = 0;
 
    //  printf("I %s %s", szTime + 11, szInfoString);
    char * buf;
    buf = new char [ 3 + strlen(szTime) - 11 + strlen(szInfoString) + 5 ];
    sprintf(buf,"I %s %s", szTime + 11, szInfoString);
    printit(buf);
    delete [] buf;
 
}