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knutclient/src/knutnet.h

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23 KiB

/***************************************************************************
knutnet.h - description
-------------------
begin : Ne led 12 2003
copyright : (C) 2003 by Daniel Prynych
email : Daniel@prynych.cz
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef KNUTNET_H
#define KNUTNET_H
//Od verze 3 je kapp jen odkaz na kapplication
//Since version 3 is kapp pointer on kapplication only
//#include <kapplication.h>
#include <kapp.h>
#include <tqobject.h>
#include <tqsocket.h>
#include <tqsocketdevice.h>
#include <tqnetworkprotocol.h>
#include <tqmutex.h>
#include <tqvaluevector.h>
struct upsVarDef {
TQString upsVarName;
bool upsVarActivate;
bool upsVarType; // typ true(1) RO - false (0) RW (muzeme menit)
bool upsValueType; // typ true(1) char - false (0) enum (vyctova)
// ma vyznam jen pro RW promenne
int upsVarMax; // udave max delku string promenne nebo pocet moznosti pro enum promennou
// ma vyznam jen pro RW promenne
TQString upsValue; // hodnota promene
TQString upsDescription; // informace o promene
TQValueVector<TQString>* upsEnumValues;
};
struct upsICommDef {
TQString upsCommName;
TQString upsDescription;
};
class TQString;
class TQCString;
class TQSocket;
class TQTimer;
/**
*@author Daniel Prynych
*/
/**
* This class reads data from serveru NUT.
* Since version 0.5 is written and API is changet.
* Since 0.6.1 supports protocol client-server and variables for upsd >= nut 1.3
* Since 0.6.1 doesn't ups name like ups_name@host_address
* Since 0.7 doesn't support UDP
* Tato trida zajistuje cteni dat ze serveru NUT.
* Od verze 0.5 je uplne prepsana a je zmeneno i API.
* Od verze 0.6.1 proporuje take client-server protokol a promenne pro upsd >= nut 1.3
* Od verze 0.6.1 nepodporuje jmeno ups ve tvaru jmeno_ups@adresa_pc
* Od verze 0.7 neni podporovano UDP
*
* @author Daniel Prynych
* @short Communication with UPS - Komunikace s UPS
* @version 0.7
*/
class KNutNet : public TQObject {
Q_OBJECT
TQ_OBJECT
public:
enum NetState {Idle, HostLookup, Connecting, Connected, ConnectError,Closing };
// idle is same like NotConnected
// neni pripojeno chyba pri pripojeni,pripojeno, pripojuji
enum typeOfVar {AllVars, ROVars, RWVars };
enum NetError {
NoError,
LowMem, // no memmory - nebyla pridelena pamet
NullAddress, // no address of host nebyla zadana adresa pocitace
NoSuchHost, // this host noexist neexistuje takovy pocitac
CantConnect, // I cannot connect to server Nemohu se spojit se serverem
SocketReadErr, // I cannot read data from socket - Nelze cist data ze soketu
ConnectErr, // connect isn't maked - Nejde provest connect
NutProtocolVarErr, // Nelze zjistit verze protokolu
NoUpsHere, // ni UPS on this address na teto adrese neni zadna UPS
ConnectionRefused, // server refused connection
ConnetionClosedByServer, // connection was closed by server upsd // by the second side
SendErr, // doesn't send date - Nelze odeslat data
RecvErr, // doesn't receive data - Nelze prijmout data
NoData, // no data was received, empty string was received - Nebyla prijmuta zadna data, byl prijmut prazdny retezec
UnknownAnswer, // Server answer no right - Server neodpovedel spravne
UnknownFormat, // Data hasn't got right structure - Data nemaji spravnou strukturu
UnknownFormatVer, //Data returned after command VER don't have right structure - Data vracena po prikazu VER nemaji spravnou strukturu
NoServerData, // doesn't read data from server (Server isn't answering) Nelze precist data ze serveru (Sever neodpovida)
NoUpsnetOk, // UpsNetOK is setting on faLse - je nastaven UpsNetOk na false
UnknownErr, // unknown error unknown text after ERR - neznama chyba - neznamy text za ERR
CommNotFind, // command hasn't been found in list of module's commands - prikaz nebyl nalezen v seznamu prikazu modulu
VarNotFind, // variable hasn't been found in list of module's variables promena nebyla nalezena v seznamu promenych modulu
EnumValueNotFind, //value of enumereted variable hasn't been found hodnota vyctove promene nebyla nalezena
// tyto zpravy vraci server
// this mesages is returned server upsd
AccessDenied, // access denied - pristup odmitnut
PasswordRequired, // password is required - pro akci je nutno zaslat heslo
PasswordIncorrect, // password is incorrect nespravane heslo
UnknownUps, // this ups isn't occured on address - tato ups neni na zadane adrese
AlreadyLoggedIn, // prihlaseni LOGIN jiz bylo provedeno
AlreadySetPassword, // password has been already entered - heslo jiz bylo zadano
AlreadySetUsername, // username has been already entered - uzivatelske jmeno jiz bylo zadano
DataStale, // data from module isn't got - neni mozne ziskat z modulu nove data
MissingArgument, // misses argument - chyby argument
UnknownType, // unknown type of variable -neznamy typ promene
UnknownCommand, // umknown command example: sends maybe "UPERNAME admin" - nezmamy prikaz pr: poslem treba "UPERNAME admin"
//tyto chyby se vztahuji k driveru pro danny typ UPS-ky
// this mistake is refered for selected driver of UPS
DriverNotConnected, // driver isn't connected - driver neni pripojen
NoResponse, // driver pro ups neodpovedel ve vymezenem case
UnknownReply, // unknown reply - neznama odpoved
NotImplemented, //
CommandFailed, // failed command - chybny prikaz
VarUnknown, // values isn't selected by driver - promena neni driverem podporovana
VarNotSupported, // cannot get data for this values - neni mozno zislat data pro tuto promenou
InvalidValue, // unknown value - nespravna hodnota
UnknownInstCmd, // unknown instant command / neznamy okamzity prikaz
CmdNotSupported, // this instant command isn't supported - tento okamzity prikaz neni podporovan
NotConnection, // operace nelze provest protoze neni provedeno pripojeni
// this not error
NoListVars}; //upsd doesn't return list of variables, variable for STATUS has got value WAIT
enum typeOfStatus {
NS = 0, // - NONE status of UPS wasn't read
OFF = 1, // - UPS is off (not supplying power)
OL = 2, // - UPS is online (supplying power from the line/mains)
OB = 4, // - UPS is on battery
LB = 8, // - UPS battery is low (with OB = shutdown situation)
CAL = 16, // - UPS is performing calibration
TRIM = 32, // - UPS is trimming incoming voltage (APC "SmartTrim")
BOOST = 64, // - UPS is boosting incoming voltage (APC "SmartBoost")
OVER = 128, // - UPS is overloaded
RB = 256, // - UPS battery needs to be replaced
WAIT = 512 // - UPS as for waiting
};
enum keyWord {
NONE,
OK,
ERR,
BEGIN,
END,
VAR,
TYPE,
DESC,
UPSDESC,
CMDDESC,
UPS,
LIST,
RW,
CMD,
ENUM,
STARTTLS,
BEGIN_LIST_VAR,
BEGIN_LIST_RW,
BEGIN_LIST_CMD,
BEGIN_LIST_UPS,
BEGIN_LIST_ENUM,
END_LIST_VAR,
END_LIST_RW,
END_LIST_CMD,
END_LIST_UPS,
END_LIST_ENUM
};
enum flagsVar {
RW_FLAG = 1,
ENUM_FLAG = 2,
STRING_FLAG = 4
};
/**
* Constructor sets basic variables and structures only, but doesn't read variables from server NUT
* Konstruktor pouze nastavi zakladni promene a struktury, ale necte promene se serveru NUT.
* @param upsName in name of UPS
* @param upsAddress Is address of UPS (adresa pocitace na ktery je UPS pripojena)
* netAddress can is entered like ip address or domain name
* example: localhost karel.domain,cz 194.212.25.55.
* @param tPort Is name if port, for NUT server (NUT is received on this port), default is 3493.
* @param delay is delay in msec. System waits before one tries to make connection again. When test of connection fails,
* @param countRepeat is maximal number of repeating for make connection.
*
* Since 0.7.5 version protocol UDP is not supported
* @param upsAddress Je adresa ups-ky (adresa pocitace na ktery je UPS pripojena)
* netAddress muze byt zadan jako ip adresa nebo domenove jmeno pocitace
* @param upsName je jmeno UPSky
* pr.: localhost karel.domena.cz 194.212.25.55.
* @param tPort je cislo portu na kterem nasloucha NUT server, default je 3493.
* @param delay je zpozdeni v msec, System ceka nez znovu pokusi ukutecnit spojeni. Kdyz pokus o spojeni selhal.
* @param countRepeat je maximalni pocet opakovani spojeni pro navazani spojeni.
* Od verze 0.7 neni podporovano UDP
*
* @since 0.7.5
**/
KNutNet (const TQString upsAddress, const TQString upsName="", const unsigned short port=3493, unsigned int countRepeat =0, const unsigned int delay = 200);
/**
* @since 0.5
**/
~KNutNet();
/**
* Zavre spojeni a nastavi hodnoty pro novou UPSku
* Closes conneting and sets values for new UPS
*
* @since 0.1
**/
void newUPS (const TQString upsAddress, const TQString upsName, const unsigned short port=3493);
/**
* Provadi spojeni
* Makes conneting
*
* @since 0.1
**/
void open (void);
/**
* Zavre spojeni
* Closes conneting
*
* @since 0.1
**/
void close (void);
/**
* Returns kod of error, which is setted after last colling of same function this calls.
* Error NotConnected isn't returned (not for function getError, getState).
* It means then error NotConnected isn't remembered.
* Vraci kod chyby, ktera nastala pri poslednim volani kterekoliv funkce
* teto tridy (s vyjimkou getError, getState ),
* chyba NotConnected neni vracena;
* To znamena ze chyba NotConnected neni zapamatovana.
*
*
* @since 0.5
**/
int getError ( void );
/**
* Vraci stav pripojeni.
* Returns state of connection.
*
* @since 0.5
**/
int getState ( void );
/**
* Returns state of description, if descriptions is loaded.
* Vraci stav popisu, zda je nahran;
*
* @since 0.5
**/
bool isDescription ( void );
/**
* Vraci zda doslo k prepnuti z UDP do TCP;
* Ma vyznam je pro verzi protokolu 2
*
* @since 0.1
**/
bool switchedToTCP ( void );
/**
* Vraci cislo protokolu pro komunikaci s NUT
* Returns nunber of protocol for comunications with NUT
* Od verze NUTu 1.3 je zmenen protokol
* Since version 1.3 protocol is changed
*
* @since 0.1
**/
int getNutProtocol ( void );
/**
* Return number of NUT's version
* Vraci cislo verze nazvu NUT-u
* Since version if nut 1.3 are changed names of values
* Od verze NUTu 1.3 jsou zmeneny nazvy promenych
*
* @since 0.1
**/
int getNutVariables ( void );
/**
* Nacte vsechny promene UPS-ky a nastavi jejich typ (znakove/char, vyctove/enum a status)
* Nastavi priznak aktivity jen pro status.
* Funkce vraci kod chyby nebo 0 pokud k chybe nedojde;
* Vzdy jsou nacteny i hodnoty promenych.
*
* @since 0.6.1
**/
int getUpsVars ( void);
/**
* Nacte hodnoty vsech promenych UPS-ky pokud je nastaven jejich priznak aktivity,
* nebo je nastaven allVars na true.
* Pozor po provedeni getUpsVars je priznak aktivity nastaven jen pro status.
*
* @param allVars Urcuje zda se prikaz tyka vsech promenych, nebo jen tech ktere
* maji nastaven priznak aktivity na TRUE.
*
* @since 0.6.1
**/
int getUpsValues (const bool allVars=true );
/**
* Nacte popisy pro kazdou promennou
* Read descriptions for every variable
*
* @param always Urcuje zda se nacteny provede vzdy nebo jen kdy popis jeste
* nebyl nacten.
*
* @since 0.6
**/
int getDescription (bool always = false);
/**
* Provede okamzity prikaz.
* Vraci 0 pokud provedeni skoncilo v poradku jinak kod chyby.
*
* @param command Udava nazev prikazu.
* @param userName Udava uzivatelske jmeno.
* @param password Udava heslo.
* @param onlyCommand udava zda ma byt poslan pouze prikaz, nebo i nastaveno uzivatelske jmeno a heslo.
* POZOR!! uzivatelske jmeno nejde zmenit bez odpojeni a znovu pripojeni.
*
* @since 0.7
**/
int instantCommand (const TQString command, const TQString userName, const TQString password, const bool onlyCommand = false);
/**
* Nastavi RW promenou.
* Vraci 0 pokud provedeni skoncilo v poradku jinak kod chyby;
*
* @param variable Udava nazev promenne.
* @param value Udava hodnotu.
* @param userName Udava uzivatelske jmeno.
* @param password Udava heslo.
* @param onlyVariable udava zda ma byt poslana pouze zadost na zmenu promenne, nebo i nastaveno uzivatelske jmeno a heslo.
* POZOR!! uzivatelske jmeno nejde zmenit bez odpojeni a znovu pripojeni.
*
* @since 0.7
**/
int setVariable (const TQString variable, const TQString value, const TQString userName, const TQString password, const bool onlyVariable = false);
/**
* Returns number of UPS's variables. On error -1 is returned.
* Vrati pocet promenych UPS-ky. Pri chybe vraci -1.
*
* @param typVar Is type of variable, its number is found out.
* @param typVar Je typ promene pro ktere zjistujeme pocet
* muze se jednat o RO promenne RW promene nebo o vsechny promenne.
*
* @since 0.6
**/
int readNumberVars (typeOfVar typVar = AllVars);
/**
* Returns number of UPS's commands. On erroe -1 is returned.
* Vrati pocet prikazu UPS-ky. Pri chybe vraci -1.
*
* @since 0.6
**/
int readNumberComms (void);
/**
* Nastavi strukturu udavajici vsechny hodnoty pro prikaz.
* Pri chybe vrati kod chyby
*
* @param seqNumber Udava cislo promene.
* @param upsIComm Je struktura upsICommDef.
*
* @since 0.6
**/
int readIComm (const int seqNumber, upsICommDef& upsIComm);
/**
* Nastavi strukturu obsahujici vsechny udaje promene.
* Pri chybe vrati kod chyby.
*
* @param name Udava jmeno promene.
*
* @since 0.6
**/
int readVars (const TQString name, struct upsVarDef& allVar);
/**
* Nastavi strukturu obsahujici vsechny udaje promene.
* Pri chybe vrati kod chyby.
*
* @param seqNumber Udava poradove cislo promene, ta zacina VZDY cislem 1.
* @param typVar Udava typ promene /RO/RW/ALL.
*
* @since 0.6
**/
int readVars (const int seqNumber, struct upsVarDef& allVar, const typeOfVar typVar = AllVars);
/**
* Vrati hodnotu promenne.
* Pri chybe vrati 0l.
*
* @param name Udava jmeno promene.
*
* @since 0.6.1
**/
TQString readStringVar (const TQString name);
/**
* Nacte jednu z hodnot vyctove promenne.
* Vraci jednu z hodnot vyctove promenne udanou poradovym cislem hodnoty.
* Pri chybe vrati 0l.
*
* @param name Udava nazev vyctove promenne.
* @param valueNumber Udava poradove cislo hodnoty vyctove promenne.
* @param enumValue Je naplnena hodnotou vyctove promenne.
*
* @since 0.6.1
**/
TQString readEnumValueVar (const TQString name, const int valueNumber);
/**
* Vraci kod stavu (statusu) UPS-ky
* kody je mozne scitat napt OB+LB = 12
* OFF = 1, UPS-ka je vypnuta
* OL = 2, UPS-ka bezi na sit
* OB = 4 UPS-ka bezi na baterie
* LB = 8 baterie je vybyta (pokud je zaroven OB dojde k shutdownu)
* CAL = je spustena kalibrace UPS-ky
* OVER =128 UPS-ka je pretizena
* RB = 256 UPS-ka pozaduje vymenu baterie
*
* @since 0.5
**/
int readStatus(void);
/**
* Nastavi priznak aktivity.
* Pri chybe vrati kod chyby.
*
* @param name Udava jmeno promene.
*
* @since 0.6
**/
int setActivate ( const TQString name );
/**
* Zrusi nastaveni priznaku aktivity.
* Pri chybe vrati kod chyby.
*
* @param name Udava jmeno promene.
*
* @since 0.6
**/
int unSetActivate ( const TQString name );
/**
* Zrusi nastaveni priznaku aktivity pro VSECHNY promene.
* Pri chybe vrati kod chyby.
*
* @since 0.6
**/
int unSetActivateAll ( void );
/**
* Testuje zda existuje promena danneho jmena.
* POZOR ZMENA v NAVRATOVYCH HODNOTACH
* Vraci 0 pokud existuje.
* Pokud neexistuje nebo pri chybe vrati kod chyby.
*
* @param name Udava jmeno promene.
*
* @since 0.6
**/
int existName ( const TQString name );
/********* Consts ****************/
static const int initState = OL;
signals:
/**
* Signal je vyslan, kdyz dojde k chube.
* Signal is emited, when error is occurred
*
* param@ error je cislo chyby.
* param@ error je value of error.
**/
void connectionError(int error);
/**
* Signal je vyslan, kdyz druha starna uzavrela spojeni.
* Signal is emited, when other side closed connection.
*
* @since 0.1
**/
void connectionClosed (void);
/**
* Signal je vyslan, kdyz dojde k prvemu spojeni se serverem.
* Signal is emited, when the first connection with server is realized
*
* @since 0.1
**/
void firstConnection(void); /**
* Signal je vyslan, kdyz dojde k dalsimu spojeni se serverem, znovu pripojeni.
* Signal is emited, when next connection with server is realized, reconnect.
*
* @since 0.1
**/
void nextConnection(void);
/**
* Signal je vyslan, kdyz prevod jmena byl uspesny.
* Signal is emited, when host lookup has succeeded
*
* @since 0.1
**/
void hostFound(void);
/**
* Signal je vyslan, kdyz spojeni je opet zkouseno.
* Signal is emited, when connection is tried again.
*
* @since 0.1
**/
void tryRepeatFirstConnection( int );
/**
* Signal je vyslan, kdyz spojeni je zkouseno poprve.
* Signal is emited, when connection is tried at first.
*
* @since 0.1
**/
void tryFirstConnection( int);
// signals:
void getVarDesc (int count, int item);
/********* Private part **********/
private:
// internal funkcion
/**
* Cleans input buffer
* Vycisti vstupni buffer
*
* @since 0.1
**/
void cleanConnecting (void);
/**
* Prevede textovy nazev klice na jeho numerickou hodnotu
* Jen pro protokol verze 2.
* Funkce vraci kod klice;
* param@ line textovy nazev klice.
*
* @since 0.1
**/
int setKey (const TQString line);
TQString parseValue (const TQString line);
/**
* Parsuje typ promenne (RW ENUM STRING).
* Jen pro protokol verze 2.
* Funkce vraci soucet kodu typu promenych;
* param@ line retezec ktery se parsuje.
* param@ lenString vraci maximalni delka promenne typu STRING.
*
* @since 0.1.1
**/
int parseTypeValue (TQString line, int& lenString );
/**
* Parsuje navratovou hodnotu z upsd (protokol klient-server).
* Jen pro protokol verze 2.
* Funkce vraci kod prikazu (UPS, VAR BEGIN_LIST_VAR );
*
* @since 0.1
**/
int parseLine(TQString& line, TQString& upsName ,TQString& varName, TQString& value, int& typeValue, int& lenString);
/**
* Nacte popisy pro kazdou promennou
* Jen pro protokol verze 1.
*
* @param always Urcuje zda se nacteny provede vzdy nebo jen kdy popis jeste
* nebyl nacten.
*
* @since 0.1
**/
int getDescription1 (bool always = false);
/**
* Nacte popisy pro kazdou promennou
* Jen pro protokol verze 2.
*
* @param always Urcuje zda se nacteny provede vzdy nebo jen kdy popis jeste
* nebyl nacten.
*
* @since 0.1
**/
int getDescription2 (bool always = false);
/**
* internal
* Nacte nazev prvni UPS-ky na danne adrese.
* Jen pro protokol verze 2
* Funkce vraci kod chyby nebo 0 pokud k chybe nedojde;
*
* @since 0.1
**/
int getFirstUpsName (TQString& firstUpsName);
/**
* internal
* Nacte vsechny promene UPS-ky a nastavi jejich typ (znakove/char, vyctove/enum a status)
* nastavi priznak aktivity jen pro status.
* Jen pro protokol verze 2
* Funkce vraci kod chyby nebo 0 pokud k chybe nedojde;
*
* @since 0.1
**/
int getUpsVars1 ( void);
/**
* internal
* Nacte vsechny promene UPS-ky a nastavi jejich typ (znakove/char, vyctove/enum a status)
* nastavi priznak aktivity jen pro status.
* Jen pro protokol verze 2
* Funkce vraci kod chyby nebo 0 pokud k chybe nedojde;
*
* @since 0.2
**/
int getUpsVars2 ( void);
/**
* Nacte hodnoty vsech promenych UPS-ky pokud je nastaven jejich priznak aktivity,
* nebo je nastaven allVars na true.
*
* @param allVars Urcuje zda se prikaz tyka vsech promenych, nebo jen tech ktere
* maji nastaven priznak aktivity na TRUE.
* Jen pro protokol verze 1
*
* @since 0.6
**/
int getUpsValues1 (const bool allVars );
/**
* Nacte hodnoty vsech promenych UPS-ky pokud je nastaven jejich priznak aktivity,
* nebo je nastaven allVars na true.
*
* @param allVars Urcuje zda se prikaz tyka vsech promenych, nebo jen tech ktere
* maji nastaven priznak aktivity na TRUE.
* Jen pro protokol verze 2
*
* @since 0.6
**/
int getUpsValues2 (const bool allVars );
/**
* @internal
* Zjisti verzi upsd
*
* @param countRepeat maximalni pocet pokusu (ne opakovani !!)
* @param delay zpozdeni, cas mezi opakovani
*/
int version (int countRepeat, const int delay);
/**
* @internal
* Nenastavuje promenou error.
* Doesn't set variable error
*/
int getUpsData (const TQCString sbuffer, TQString& rbuffer, const TQCString endString=0);
/**
* @internal
*/
void setRWVars (const TQString varName, const bool valueType, const int varMax, TQValueVector<TQString>* enumValues);
/**
* @internal
*/
void upsSetType (struct upsVarDef& upsVar, const TQString name, const TQString value = "");
/**
* @internal
*/
int upsTranslateError (const TQString string);
/**
* @internal
*/
void deleteVars (void);
/**
* @internal
*/
int upsOldTranslateError (const TQString string);
/**
* @internal
* Pro qt mensi nez 3.0.0 nemuze byt value const
*/
void genStatusFlags (TQString value);
/**
* @internal
* Nenastavuje promenou error.
*/
int sendComm (const TQString command, const TQString arg1, const TQString arg2, const bool useUpsName=false);
/**
* @internal
*/
int activate ( const TQString name, const bool setActivate );
/**
* @internal
*/
int activateAll ( const bool setActivate );
/**
* @internal
*/
int newDescription (const TQCString inBuffer, TQString& upsDescription);
private slots:
void slotConnectionError(int error);
void slotConnected(void);
void slotTimerReconnect(void);
void slotHostFound(void);
void slotConnectionClosed(void);
void slotClosed (void);
private:
/******* CONST ********/
static const TQ_ULONG rBufferLen = 1024;
TQSocket *m_commandSocket;
TQTimer* m_unConnectTimer;
/****** VARS *************/
TQString m_upsAddress;
TQString m_upsName;
unsigned int m_countRepeat;
unsigned short m_port;
unsigned int m_delay;
NetState m_state;
int m_error;
bool m_firstConnect;
unsigned int m_numberConnection;
int m_nutProtocol; // 1 for NUT <1.3, 2 for NUT => 1.3
int m_nutVariables; // 1 for NUT <1.3, 2 for NUT => 1.3
int m_numberVars; // number of all variables - pocet vsech promennych
int m_numberRWVars;
int m_numberIComms;
int m_upsStatusVar;
bool m_description;
bool m_switchToTCP;
TQMutex m_getUpsDataMutex;
TQValueVector<upsVarDef> m_listVars;
TQValueVector<upsICommDef> m_listIComms;
/********* Pomocne promenne ***********/
int m_posChar;
};
#endif