pmu.c

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/* ----------------------------------------------------------------------------- 
 * pmu.c
 * 
 * PMU Simulator - Phasor Measurement Unit Simulator
 *
 * Copyright (C) 2011 Nitesh Pandit
 * Copyright (C) 2011 Kedar V. Khandeparkar
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Authors: 
 *              Kedar V. Khandeparkar <kedar.khandeparkar@gmail.com>                    
 *              Nitesh Pandit <panditnitesh@gmail.com>                          
 *
 * ----------------------------------------------------------------------------- */


#include  <stdio.h>
#include  <signal.h>
#include  <sys/ipc.h>
#include  <sys/shm.h>
#include  <stdlib.h> 
#include  <string.h>
#include  <dirent.h>
#include  <errno.h>
#include  <sys/types.h>
#include  <unistd.h>
#include  <pthread.h>
#include  <gtk/gtk.h>
#include  "PmuGui.h"
#include  "ServerFunction.h"
#include  "CfgGuiFunctions.h"
#include  "CfgFunction.h"

#define UI_fILE "pmu.glade"

/* ---------------------------------------------------------------- */
/*                   main program starts here                       */
/* ---------------------------------------------------------------- */

        int main(int argc, char **argv)
        {
                /* local variables */
                GtkBuilder *builder;
                GError     *error = NULL;

                pid = fork();
                if (pid == 0) 
                {
                        /* Child process for PMU SERVER Setup */
                        start_server();
                }
                else 
                {      
                        /* Main process for PMU Configuration Setup */

                        /* Init GTK+ */
                        gtk_init(&argc, &argv);         

                        /* Create new GtkBuilder object */
                        builder = gtk_builder_new();

                        /* Add glade file to GtkBuilder */
                        if(!gtk_builder_add_from_file(builder, UI_fILE, &error))
                        {
                                g_warning("%s", error->message);
                                g_free(error);
                                return(1);
                        }
        
                        /* Allocate data structure */
                        pmu_data = g_slice_new(pmuStruct);

                        /* Get objects from UI */
                        #define GW(name) CH_GET_WIDGET(builder, name, pmu_data)
                        GW(Pmu_Simulator);
                        GW(create_cfg_button);
                        GW(header_frm_button);
                        GW(pmu_details_button);
                        GW(cfg_modification_button);
                        GW(pmu_menubar);
                        GW(img_label);
                        GW(welcome_pmu);
                        GW(admin_label);
                        GW(logo_butun);
                        GW(exit_button);
                        GW(footer_label);
                        GW(about_menuitem);
                        GW(exit_menuitem);
                        GW(E_button);
                        #undef GW 
        
                        /* Connect signal to builder */
                        gtk_builder_connect_signals(builder, pmu_data);
                        gtk_builder_connect_signals(builder, NULL);

                        /* Set the Title of Main Window */
                        gtk_window_set_title (GTK_WINDOW (pmu_data->Pmu_Simulator), "PMU Simulator");

                        /* Open the file "PmuServer.txt" in read mode */
                        FILE *file_1 = fopen ("PmuServer.txt","rb");
                        if (file_1 == NULL)
                        {
                                pmu_server();
                        }
                        else 
                        {
                                fclose(file_1);
                                //validation_result ("\t\tPMU Server run successfully.\t\t\n");
                        }

                        /* Open the file "cfg2.bin" in read mode */
                        file_1 = fopen ("cfg2.bin","rb");
                        if (file_1 != NULL)
                        {
                                fclose(file_1);
                                create_cfg();

                                /* Disable the create Configuration button because cfg is already present in the system */
                                gtk_widget_set_sensitive(GTK_WIDGET(pmu_data->create_cfg_button), FALSE);
                        }
                        else
                        {
                                /* Disable all buttons except create Configuration button because cfg is not present in the system */
                                gtk_widget_set_sensitive(GTK_WIDGET(pmu_data->header_frm_button), FALSE);
                                gtk_widget_set_sensitive(GTK_WIDGET(pmu_data->pmu_details_button), FALSE);
                                gtk_widget_set_sensitive(GTK_WIDGET(pmu_data->cfg_modification_button), FALSE);
                        }               

                        /* Decorate the GUI */
                        pmu_colors();

                        /* Signal handling for buttons on  Main PMU Window */
                        g_signal_connect (pmu_data->create_cfg_button, "clicked", G_CALLBACK(cfg_create_function), NULL); 
                        g_signal_connect (pmu_data->header_frm_button, "clicked", G_CALLBACK(hdr_create_function), NULL); 
                        g_signal_connect (pmu_data->cfg_modification_button, "clicked", G_CALLBACK(cfg_chng_options), NULL); 
                        g_signal_connect (pmu_data->pmu_details_button, "clicked", G_CALLBACK(show_pmu_details), NULL); 
                        g_signal_connect (pmu_data->exit_button, "clicked", G_CALLBACK (destroy), NULL);
                        g_signal_connect (pmu_data->about_menuitem, "button_press_event", G_CALLBACK(about_pmu), NULL);
                        g_signal_connect (pmu_data->exit_menuitem, "button_press_event", G_CALLBACK(destroy), NULL);
                        g_signal_connect (pmu_data->E_button, "clicked", G_CALLBACK(destroy), NULL);
                        g_signal_connect_swapped (pmu_data->Pmu_Simulator, "destroy", G_CALLBACK (destroy), NULL);

                        /* Destroy builder, since we don't need it anymore */
                        g_object_unref(G_OBJECT(builder));

                        /* Show window. All other widgets are automatically shown by GtkBuilder */
                        gtk_widget_show(pmu_data->Pmu_Simulator);

                        /* GTK Main */
                        gtk_main();

                        /* Free any allocated data */
                        g_slice_free(pmuStruct, pmu_data);
                }
                return(0);
        }

/************************************************************ End of Program *********************************************************************************/  

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