Subversion Repositories tpanel

/*

 * Copyright (C) 2018 to 2021 by Andreas Theofilu <andreas@theosys.at>

 *

 * 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

 */

#ifndef __TAMXNET_H__

#define __TAMXNET_H__

#include "asio.hpp"

#include <functional>

#include <cstring>

#include <cstdio>

#include <atomic>

#ifdef __APPLE__

using namespace boost;

#endif

#ifdef __ANDROID__

typedef unsigned long int ulong;

#endif

extern std::atomic<bool> killed;

extern bool prg_stopped;

namespace amx

{

#define MAX_CHUNK   0x07d0  // Maximum size a part of a file can have. The file will be splitted into this size of chunks.

#define BUF_SIZE    0x1000  // 4096 bytes

    typedef struct ANET_SEND

    {

        uint16_t device{0};     // Device ID of panel

        uint16_t MC{0};         // message command number

        uint16_t port{0};       // port number

        uint16_t level{0};      // level number (if any)

        uint16_t channel{0};    // channel status

        uint16_t value{0};      // level value

        // this is for custom events

        uint16_t ID{0};         // ID of button

        uint16_t type{0};       // Type of event

        uint16_t flag{0};       // Flag

        uint32_t value1{0};     // Value 1

        uint32_t value2{0};     // Value 2

        uint32_t value3{0};     // Value 3

        unsigned char dtype{0}; // Type of data

        std::string msg;        // message string

    } ANET_SEND;

    typedef union

    {

        unsigned char byte; // type = 0x10

        char ch;            // type = 0x11

        uint16_t integer;   // type = 0x20 (also wide char)

        int16_t sinteger;   // type = 0x21

        uint32_t dword;     // type = 0x40

        int32_t sdword;     // type = 0x41

        float fvalue;       // type = 0x4f

        double dvalue;      // type = 0x8f

    } ANET_CONTENT;

    typedef struct ANET_MSG

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        uint16_t value;         // value of command

        unsigned char type;     // defines how to interpret the content of cmd

        ANET_CONTENT content;

    } ANET_MSG;

    typedef struct ANET_MSG_STRING

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        unsigned char type;     // Definnes the type of content (0x01 = 8 bit chars, 0x02 = 16 bit chars --> wide chars)

        uint16_t length;        // length of following content

        unsigned char content[1500];// content string

    } ANET_MSG_STRING;

    typedef struct ANET_ASIZE

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        unsigned char type;     // Defines the type of content (0x01 = 8 bit chars, 0x02 = 16 bit chars --> wide chars)

        uint16_t length;        // length of following content

    } ANET_ASIZE;

    typedef struct ANET_LEVSUPPORT

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        uint16_t level;         // level number

        unsigned char num;      // number of supported types

        unsigned char types[6]; // Type codes

    } ANET_LEVSUPPORT;

    typedef struct ANET_ASTATCODE

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        uint16_t status;        // status code

        unsigned char type;     // defines how to interpret the content of cmd

        uint16_t length;        // length of following string

        unsigned char str[512];

    } ANET_ASTATCODE;

    typedef struct ANET_LEVEL

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        uint16_t level;         // level number

    } ANET_LEVEL;

    typedef struct ANET_CHANNEL

    {

        uint16_t device;        // device number

        uint16_t port;          // port number

        uint16_t system;        // system number

        uint16_t channel;       // level number

    } ANET_CHANNEL;

    typedef struct ANET_RPCOUNT

    {

        uint16_t device;        // device number

        uint16_t system;        // system number

    } ANET_RPCOUNT;

    typedef struct ANET_APCOUNT // Answer to request for port count

    {

        uint16_t device;        // device number

        uint16_t system;        // system number

        uint16_t pcount;        // number of supported ports

    } ANET_APCOUNT;

    typedef struct ANET_ROUTCHAN    // Request for port count

    {

        uint16_t device;        // device number

        uint16_t port;          // system number

        uint16_t system;        // number of supported ports

    } ANET_ROUTCHAN;

    typedef struct ANET_AOUTCHAN    // Answer to request for port count

    {

        uint16_t device;        // device number

        uint16_t port;          // system number

        uint16_t system;        // number of supported ports

        uint16_t count;         // number of supported channels

    } ANET_AOUTCHAN;

    typedef struct ANET_ADEVINFO // Answer to "request device info"

    {

        uint16_t device;        // device number

        uint16_t system;        // system number

        uint16_t flag;          // Bit 8 - If set, this message was generated in response to a key press, during the identification mode is active.

        unsigned char objectID; // object ID

        unsigned char parentID; // parent ID

        uint16_t herstID;       // herst ID

        uint16_t deviceID;      // device ID

        unsigned char serial[16]; // serial number

        uint16_t fwid;          // firmware ID

        unsigned char info[512];// several NULL terminated informations

        int len;                // length of field info

    } ANET_ADEVINFO;

    typedef struct ANET_ASTATUS // Answer to "master status"

    {

        uint16_t system;        // number of system

        uint16_t status;        // Bit field

        unsigned char str[512]; // Null terminated status string

    } ANET_ASTATUS;

    typedef struct ANET_CUSTOM  // Custom event

    {

        uint16_t device;        // Device number

        uint16_t port;          // Port number

        uint16_t system;        // System number

        uint16_t ID;            // ID of event (button ID)

        uint16_t type;          // Type of event

        uint16_t flag;          // Flag

        uint32_t value1;        // Value 1

        uint32_t value2;        // Value 2

        uint32_t value3;        // Value 3

        unsigned char dtype;    // type of following data

        uint16_t length;        // length of following string

        unsigned char data[255];// Custom data

    } ANET_CUSTOM;

    typedef struct ANET_BLINK       // Blink message (contains date and time)

    {

        unsigned char heartBeat;    // Time between heart beats in 10th of seconds

        unsigned char LED;          // Bit 0: Bus-LED: 0 off, 1 on; Bits 1-6 reserved; Bit 7: 1 = force reset device

        unsigned char month;        // Month 1 - 12

        unsigned char day;          // Day 1 - 31

        uint16_t year;              // Year

        unsigned char hour;         // Hours 0 - 23

        unsigned char minute;       // Minutes 0 - 59

        unsigned char second;       // Seconds 0 - 59

        unsigned char weekday;      // 0 = Monday, 1 = Thuesday, ...

        uint16_t extTemp;           // External temperature, if available (0x8000 invalid value)

        unsigned char dateTime[64]; // Rest is a string containing the date and time.

        void clear()

        {

            heartBeat = 0;

            LED = 0;

            month = 0;

            day = 0;

            year = 0;

            hour = 0;

            minute = 0;

            second = 0;

            weekday = 0;

            extTemp = 0;

            dateTime[0] = 0;

        }

    } ANET_BLINK;

    typedef struct ANET_FILETRANSFER    // File transfer

    {

        uint16_t ftype;         // 0 = not used, 1=IR, 2=Firmware, 3=TP file, 4=Axcess2

        uint16_t function;      // The function to be performed, or length of data block

        uint16_t info1;

        uint16_t info2;

        uint32_t unk;           // ?

        uint32_t unk1;          // ?

        uint32_t unk2;          // ?

        uint32_t unk3;          // ?

        unsigned char data[2048];// Function specific data

    } ANET_FILETRANSFER;

    typedef union

    {

        ANET_CHANNEL chan_state;

        ANET_MSG message_value;

        ANET_MSG_STRING message_string;

        ANET_LEVEL level;

        ANET_CHANNEL channel;

        ANET_RPCOUNT reqPortCount;

        ANET_APCOUNT sendPortNumber;

        ANET_ROUTCHAN reqOutpChannels;

        ANET_AOUTCHAN sendOutpChannels;

        ANET_ASTATCODE sendStatusCode;

        ANET_ASIZE sendSize;

        ANET_LEVEL reqLevels;

        ANET_LEVSUPPORT sendLevSupport;

        ANET_ADEVINFO srDeviceInfo;     // send/receive device info

        ANET_CUSTOM customEvent;

        ANET_BLINK blinkMessage;

        ANET_FILETRANSFER filetransfer;

    } ANET_DATA;

    typedef struct ANET_COMMAND // Structure of type command (type = 0x00, status = 0x000c)

    {

        char ID{2};             // 0x00:        Always 0x02

        uint16_t hlen{0};       // 0x01 - 0x02: Header length (length + 3 for total length!)

        char sep1{2};           // 0x03:        Seperator always 0x02

        char type{0};           // 0x04:        Type of header

        uint16_t unk1{1};       // 0x05 - 0x06: always 0x0001

        uint16_t device1{0};    // 0x07 - 0x08: receive: device, send: 0x000

        uint16_t port1{0};      // 0x09 - 0x0a: receive: port,   send: 0x001

        uint16_t system{0};     // 0x0b - 0x0c: receive: system, send: 0x001

        uint16_t device2{0};    // 0x0d - 0x0e: send: device,    receive: 0x0000

        uint16_t port2{0};      // 0x0f - 0x10: send: port,      receive: 0x0001

        char unk6{0x0f};        // 0x11:        Always 0x0f

        uint16_t count{0};      // 0x12 - 0x13: Counter

        uint16_t MC{0};         // 0x14 - 0x15: Message command identifier

        ANET_DATA data;         // 0x16 - n     Data block

        unsigned char checksum{0};  // last byte:   Checksum

        void clear()

        {

            ID = 0x02;

            hlen = 0;

            sep1 = 0x02;

            type = 0;

            unk1 = 1;

            device1 = 0;

            port1 = 0;

            system = 0;

            device2 = 0;

            port2 = 0;

            unk6 = 0x0f;

            count = 0;

            MC = 0;

            checksum = 0;

        }

    } ANET_COMMAND;

    typedef struct

    {

        unsigned char objectID;     // Unique 8-bit identifier that identifies this structure of information

        unsigned char parentID;     // Refers to an existing object ID. If 0, has this object to any parent object (parent).

        uint16_t manufacturerID;    // Value that uniquely identifies the manufacture of the device.

        uint16_t deviceID;          // Value that uniquely identifies the device type.

        char serialNum[16];         // Fixed length of 16 bytes.

        uint16_t firmwareID;        // Value that uniquely identifies the object code that the device requires.

        // NULL terminated text field

        char versionInfo[16];       // A closed with NULL text string that specifies the version of the reprogrammable component.

        char deviceInfo[32];        // A closed with NULL text string that specifies the name or model number of the device.

        char manufacturerInfo[32];  // A closed with NULL text string that specifies the name of the device manufacturer.

        unsigned char format;       // Value that indicates the type of device specific addressing information following.

        unsigned char len;          // Value that indicates the length of the following device-specific addressing information.

        unsigned char addr[8];      // Extended address as indicated by the type and length of the extended address.

    } DEVICE_INFO;

    typedef struct FTRANSFER

    {

        int percent{0};             // Status indicating the percent done

        int maxFiles{0};            // Total available files

        int lengthFile{0};          // Total length of currently transfered file

        int actFileNum{0};          // Number of currently transfered file.

        int actDelFile{0};          // Number of currently deleted file.

    } FTRANSFER;

    typedef struct FUNC_NETWORK_t

    {

        ulong handle{0};

        std::function<void(int)> func{nullptr};

    }FUNC_NETWORK_t;

    typedef struct FUNC_TIMER_t

    {

        ulong handle{0};

        std::function<void(const ANET_BLINK&)> func{nullptr};

    }FUNC_TIMER_t;

    class TAmxNet

    {

        public:

            TAmxNet();

            explicit TAmxNet(const std::string& sn);

            explicit TAmxNet(const std::string& sn, const std::string& nm);

            ~TAmxNet();

            void Run();

            void start(asio::ip::tcp::resolver::results_type endpoints, int id);

            void stop();

            void setCallback(std::function<void(const ANET_COMMAND&)> func) { callback = func; }

            void registerNetworkState(std::function<void(int)> registerNetwork, ulong handle);

            void registerTimer(std::function<void(const ANET_BLINK&)> registerBlink, ulong handle);

            void deregNetworkState(ulong handle);

            void deregTimer(ulong handle);

            bool sendCommand(const ANET_SEND& s);

            bool isConnected();

            bool isStopped() { return stopped_; }

            void setPanelID(int id) { panelID = id; }

            void setSerialNum(const std::string& sn);

            asio::ip::tcp::socket& getSocket() { return socket_; }

            bool setupStatus() { return receiveSetup; }

            void setPanName(const std::string& nm) { panName.assign(nm); }

        private:

            enum R_TOKEN

            {

                RT_NONE,

                RT_ID,

                RT_LEN,

                RT_SEP1,

                RT_TYPE,

                RT_WORD1,

                RT_DEVICE,

                RT_WORD2,

                RT_WORD3,

                RT_WORD4,

                RT_WORD5,

                RT_SEP2,

                RT_COUNT,

                RT_MC,

                RT_DATA

            };

            void init();

            void start_connect(asio::ip::tcp::resolver::results_type::iterator endpoint_iter);

            void handle_connect(const std::error_code& error, asio::ip::tcp::resolver::results_type::iterator endpoint_iter);

            void start_read();

#ifdef __APPLE__

            void handle_read(const system::error_code& error, size_t n, R_TOKEN tk);

#else

            void handle_read(const asio::error_code& error, size_t n, R_TOKEN tk);

#endif

            void start_write();

            void handle_write(const std::error_code& error);

            void handleFTransfer(ANET_SEND& s, ANET_FILETRANSFER& ft);

            void check_deadline();

            uint16_t swapWord(uint16_t w);

            uint32_t swapDWord(uint32_t dw);

            unsigned char calcChecksum(const unsigned char *buffer, size_t len);

            uint16_t makeWord(unsigned char b1, unsigned char b2);

            uint32_t makeDWord(unsigned char b1, unsigned char b2, unsigned char b3, unsigned char b4);

            unsigned char *makeBuffer(const ANET_COMMAND& s);

            int msg97fill(ANET_COMMAND *com);

            bool isCommand(const std::string& cmd);

            bool isRunning() { return !(stopped_ || killed); }

            int countFiles();

            void sendAllFuncNetwork(int state);

            void sendAllFuncTimer(const ANET_BLINK& blink);

            std::function<void(const ANET_COMMAND&)> callback;

            std::function<bool(TAmxNet *)> cbWebConn;

            asio::io_context io_context;

            asio::steady_timer deadline_;

            asio::steady_timer heartbeat_timer_;

            std::map<ulong, FUNC_NETWORK_t> mFuncsNetwork;

            std::map<ulong, FUNC_TIMER_t> mFuncsTimer;

            bool stopped_{false};

            std::atomic<bool> mSendReady{false};

            asio::ip::tcp::resolver::results_type endpoints_;

            asio::ip::tcp::socket socket_;

            std::string input_buffer_;

            unsigned char buff_[BUF_SIZE];

            std::string panName;        // The technical name of the panel

            bool protError{false};      // true = error on receive --> disconnect

            std::atomic<int> reconCounter{0};   // Reconnect counter

            uint16_t reqDevStatus{0};

            ANET_COMMAND comm;          // received command

            ANET_COMMAND send;          // answer / request

            uint16_t sendCounter{0};    // Counter increment on every send

            std::vector<ANET_COMMAND> comStack; // commands to answer

            bool initSend{false};       // TRUE = all init messages are send.

            bool ready{false};          // TRUE = ready for communication

            bool write_busy{false};

            std::vector<DEVICE_INFO> devInfo;

            std::string oldCmd;

            int panelID{0};             // Panel ID of currently legalized panel.

            std::string serNum;

            std::atomic<bool> receiveSetup{false};

            std::string sndFileName;

            std::string rcvFileName;

            FILE *rcvFile{nullptr};

            FILE *sndFile{nullptr};

            bool isOpenSnd{false};

            bool isOpenRcv{false};

            size_t posRcv{0};

            size_t lenRcv{0};

            size_t posSnd{0};

            size_t lenSnd{0};

            FTRANSFER ftransfer;

    };

}

#endif