BLEchat/BLEDevice.cpp at main · Yatharth55/BLEchat · GitHub

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#include "BLEDevice.h"
#include <iostream>

using namespace std;
    BLEDevice::BLEDevice(string deviceName) {
        name = deviceName;
    }//class constructor

    void BLEDevice::receivePacket(string packet) {
        string type = "";
        string sender_name = "";
        string msg = "";
        int counter = 0;
        string token = "";
        //parsing logic
        for(int i = 0; i < packet.length(); i++){
            if(packet[i] != '|'){
                token += packet[i];
            } else {
                if(counter == 0){
                    type = token;
                    if(type == "DIS"){
                        device = nullptr;
                        ConnectionStatus = false;
                        advertiseStatus = false;
                    }
                } else if(counter == 1){
                    sender_name = token;
                }
                token = "";
                counter++;
            }
        }
        msg = token;
        if(type == "MSG"){cout << sender_name << ": " << msg << endl;}
        else if(type == "DIS"){cout<<"disconnected successfully by "<<sender_name<<endl;}

    }

    void BLEDevice::sendPacket(string type,string message){
        if(ConnectionStatus && device != nullptr){

            string packet = type + "|" + name + "|" + message;//packet formation
            //cout<<packet<<endl;;
            device->receivePacket(packet);
        } else {
            cout << "Device not connected\n";
        }

    }

    void BLEDevice::advertise(){
        cout << name << " advertising...\n";
        advertiseStatus = true;
    }

    void BLEDevice::connect(BLEDevice &user){
        if(user.advertiseStatus){
            cout << name << " connected to " << user.name << endl;
            ConnectionStatus = true;
            user.ConnectionStatus = true;
        } else {
            cout << user.name << " is not discoverable\n";
        }
        if(ConnectionStatus == true){
            device = &user;
            user.device = this;
            advertiseStatus = false;
            user.advertiseStatus = false;
        }else{
            cout<<"connection failed\n";
        }
    }

    BLEDevice* BLEDevice::scan(vector<BLEDevice*> &devices){
        cout << name << " scanning...\n";
        vector<BLEDevice*> available = {};
        int counter = 1;
        cout<<"found devices\n";
        for(auto device : devices){

            if(device->advertiseStatus && device->name != name){
                cout <<counter<<"."<< device->name << endl;
                available.push_back(device);
                counter++;
            }
        }
        //cout<<"availble devices:\n";
        if(available.size()==0){
            return nullptr;
        }
        int in;
        cout<<"which device to connect:";
        cin>>in;
        string sys;
        getline(cin,sys);
        if(in>available.size()){
        cout<<"device not found\n";
        return nullptr;
        }else{
            return available[in-1];
        }
    }
    void BLEDevice::disconnect(){
        sendPacket("DIS","");
        ConnectionStatus = false;
        advertiseStatus = false;
        device = nullptr;
        //cout<<"disconnected and disconnect package sent\n";
    }