wanpipe/util/wanctl/dialog_base.cpp

133 lines
3.8 KiB
C++

/***************************************************************************
dialog_base.cpp - description
-------------------
begin : Thu Feb 26 2004
copyright : (C) 2004 by David Rokhvarg
email : davidr@sangoma.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "dialog_base.h"
#define DBG_DIALOG_BASE 1
dialog_base::dialog_base()
{
Debug(DBG_DIALOG_BASE, ("dialog_base::dialog_base()\n"));
snprintf(this->lxdialog_path, MAX_PATH_LENGTH, "NOT INITIALIZED");
}
dialog_base::~dialog_base()
{
Debug(DBG_DIALOG_BASE, ("dialog_base::~dialog_base()\n"));
//do nothing
}
int dialog_base::set_lxdialog_path(char * lxdialog_path)
{
Debug(DBG_DIALOG_BASE, ("dialog_base::set_lx_dialog_path()\n"));
Debug(DBG_DIALOG_BASE, ("lxdialog_path and command line: %s\n", lxdialog_path));
if(strlen(lxdialog_path) > MAX_PATH_LENGTH){
printf("dialog_base: lxdialog_path is longer than maximum\n");
return NO;
}
snprintf(this->lxdialog_path, MAX_PATH_LENGTH, "%s", lxdialog_path);
return YES;
}
//return status of command execution
//YES - command executed successfully
//NO - command failed
int dialog_base::execute_command_line(OUT int * selection_index)
{
int sytem_call_status;
int lxdialog_exit_status=0;
int rc;
sytem_call_status = system(lxdialog_path);
if(WIFEXITED(sytem_call_status)){
lxdialog_exit_status = WEXITSTATUS(sytem_call_status);
//Debug(DBG_DIALOG_BASE, ("lxdialog_exit_status: %d\n", lxdialog_exit_status));
switch(lxdialog_exit_status)
{
case SELECTION_0:
case SELECTION_1:
case SELECTION_2:
case 255://if lxdialog returns -1 - may happen On Text Box 'Exit'
rc = YES;
break;
default:
printf("Invalid lxdialog_exit_status: %d\n", lxdialog_exit_status);
printf("lx_dialog_path and command line: %s\n", lxdialog_path);
rc = NO;
}
}else{
//lxdialog crashed or killed
printf("lxdialog exited abnormally (sytem_call_status: %d).\n",
sytem_call_status);
rc = NO;
}
*selection_index = lxdialog_exit_status;
return rc;
}
int dialog_base::open_lxdialog_output_file(char * file_name)
{
lxdialog_output_file = fopen(file_name, "r+");
if(lxdialog_output_file == NULL){
Debug(DBG_DIALOG_BASE, ("Failed to open file '%s'. File does not exist.\n", file_name));
return NO;
}
return YES;
}
//this version reads file line by line
int dialog_base::read_lxdialog_output_file()
{
int rc = NO;
int lines_counter;
lines_counter = 0;
do{
fgets(lxdialog_output_string, MAX_PATH_LENGTH, lxdialog_output_file);
if(!feof(lxdialog_output_file)){
Debug(DBG_DIALOG_BASE, (lxdialog_output_string));
}
//there must be at least 1 line. but not more than 1 line.
rc = YES;
}while(!feof(lxdialog_output_file) && lines_counter++ < 2);
if(lines_counter >= 2){
printf("Invalid number of lines in lxdialog output file!!\n");
rc = NO;
}
fclose(lxdialog_output_file);
if(rc == NO){
Debug(DBG_DIALOG_BASE, ("failed to read_lxdialog_output_file!\n"));
}
Debug(DBG_DIALOG_BASE, ("\n"));
return rc;
}