///////////////////////////////////////////////////////////////////////////////// 
//
// main.cc is part of TestModbus-Server.
//
///////////////////////////////////////////////////////////////////////////////// 

#include <sys/time.h>

#include "config.h"
#include "mbsconfig.h"
#include "gui.h"
#include "modbus.h"

//////////////////////////////////////////////////////////////////////////////////////////////////
//
// global variables
//

Config config;
Modbus modbus;
GtkBuilder *_builder_ = NULL;		// work around for the thread situation
uint16_t modbusdata[4][0x10000];	// needed for work with the gui will by synced by the modbus call back functions

gboolean modbus_callback(gpointer data);

int main (int argc, char **argv) {
	GtkBuilder *builder;
	GObject *window;

#ifdef BUILD_WINDOWS
	char buffer[16];
	setvbuf (stdout, buffer, _IONBF, 16);
#endif

	printf ("TestModbus-Server - %s\n", VERSION);
	printf ("  https://steffen.gulpe.de/modbus-tcpip\n");
	printf ("  written by Steffen Pohle <steffen@gulpe.de>\n");

	gtk_init (&argc, &argv);
	_builder_ = builder = gtk_builder_new ();
	gtk_builder_add_from_file (builder, BUILDER_FILE, NULL);
	gtk_builder_connect_signals(builder, builder);

	//
	// #if defined _WIN32 || defined _WIN64 || defined __CYGWIN__
	// #else
	// #endif
	//

	modbus.SetCallback(&modbus_callback);
	window = gtk_builder_get_object (builder, "testmodbus-server");
	gtk_widget_show_all (GTK_WIDGET(window));

	if (argc == 2) {
		printf ("Load File:%s\n", argv[1]);
		config.SetFilename(argv[1]);
		load_file(config.GetFilename());
	}
	else {
		printf ("Load File:default.modbus\n");
		config.SetFilename("default.modbus");
		load_file(config.GetFilename());
	}

	gtk_main ();

	return 0;
}

string to_hex16 (int v) {
	char HEX[] = "0123456789ABCDEF";
	int i = v;
	int n;
	string txt = "";

	for (n = 0; n < 4; n++) {
		txt = HEX[i%16]+ txt;
		i = i / 16;
	}

	return txt;
}


gboolean modbus_callback(gpointer data) {
	struct modbus_callback_data *mdata = (struct modbus_callback_data *) data;

	MBData_ChangeRegs(mdata->fc, mdata->regstart, mdata->count, mdata->r);
	Values_ChangeRegs(mdata->fc, mdata->regstart, mdata->count, mdata->r);

	if (mdata->r) free (mdata->r);
	free (mdata);

	return FALSE;
};


float get_cycletime(struct timeval *t) {
	struct timeval t1;
	float f = 0.0;

	t1 = *t;
	gettimeofday(t, NULL);
	f = (float)(t->tv_sec - t1.tv_sec) + ((t->tv_usec - t1.tv_usec) / 1000000.0);

	return f;
}