Create main.cpp

Author: ingiavanbeto

main.cpp

@@ -0,0 +1,98 @@
+#include <iostream>
+#include "snap7.h"
+#include "s7.h"
+#include <unistd.h>
+#include <cstdint>
+#include <cstring>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <ctime>
+
+#define PORT 2000
+
+using namespace std;
+
+TS7Client* Client;
+int Rack = 0;
+int Slot = 1;
+int DB_NUMBER = 6;
+int timerOutput = 3000;
+const char* address = "192.168.0.150";
+uint8_t myDB6[10];
+
+void plc_connect(){
+    Client = new TS7Client;
+    Client->ConnectTo(address, Rack,Slot);
+}
+
+void plc_disconnect(){
+    Client->Disconnect();
+    delete Client;
+}
+
+void leerdatoDB()
+{
+    Client->DBRead(DB_NUMBER, 0, 2, &myDB6);
+    int tres = S7_GetIntAt(myDB6, 0);
+    cout << "Alarma Anterior: " << tres << endl;
+}
+
+void escribirDB(char a)
+{
+    S7_SetIntAt(myDB6, 0, a);
+    Client->DBWrite(DB_NUMBER, 0, 2, &myDB6);
+    cout << "Alarma al PLC: " << a << endl;
+    cout << endl;
+}
+
+char encuentra_mensaje(char *b)
+{
+    std::string texto = b;
+    size_t inicio = texto.find("<UserString>");
+    size_t fin = texto.find("</UserString>");
+    const char* m;
+
+    if (inicio != std::string::npos && fin != std::string::npos)
+        m = texto.substr(inicio, fin - inicio).c_str();
+    else
+        std::cout << "No se encontró la etiqueta <UserString>" << std::endl;
+
+    return m[12];
+}
+
+char recibeTCP()
+{
+    int serverSocket;
+    int clientSocket;
+    char men;
+    sockaddr_in serverAddr;
+    serverAddr.sin_family = AF_INET;
+    serverAddr.sin_addr.s_addr = INADDR_ANY;
+    serverAddr.sin_port = htons(PORT);
+
+    serverSocket = socket(AF_INET, SOCK_STREAM, 0);
+    bind(serverSocket, (struct sockaddr*)&serverAddr, sizeof(serverAddr));
+    listen(serverSocket, 5);
+    std::cout << "Esperando Alarmas en el puerto " << PORT << std::endl;
+    while(1)
+    {
+        clientSocket = accept(serverSocket, nullptr, nullptr);
+        char buffer[1024] = {0};
+        recv(clientSocket, buffer, sizeof(buffer) - 1, 0);
+        men = encuentra_mensaje(buffer);
+
+        std::cout << "Alarma Symphony: " << men << " ";
+        std::time_t tiempoActual = std::time(nullptr);
+        std::tm* tiempoLocal = std::localtime(&tiempoActual);
+        std::cout << " : " << std::asctime(tiempoLocal);
+
+        plc_connect();
+        escribirDB(men);
+        plc_disconnect();
+        close(clientSocket);
+    }
+    close(serverSocket);
+
+    return men;
+}