source: network-game/server/server.cpp@ 0dde5da

#include "../common/compiler.h"

#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <netdb.h>
#include <stdio.h>
#include <iostream>

#include <mysql/mysql.h>

#include <openssl/bio.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "../common/message.h"

using namespace std;

void error(const char *msg)
{
    perror(msg);
    exit(0);
}

int main(int argc, char *argv[])
{
   int sock, length, n;
   socklen_t fromlen;
   struct sockaddr_in server;
   struct sockaddr_in from;
   NETWORK_MSG clientMsg, serverMsg;

   srand(time(NULL));
   int num = (rand() % 1000) + 1;

   cout << "num: " << num << endl;

   SSL_load_error_strings();
   ERR_load_BIO_strings();
   OpenSSL_add_all_algorithms();

   if (argc < 2) {
      fprintf(stderr, "ERROR, no port provided\n");
      exit(0);
   }
   
   sock=socket(AF_INET, SOCK_DGRAM, 0);
   if (sock < 0) error("Opening socket");
   length = sizeof(server);
   bzero(&server,length);
   server.sin_family=AF_INET;
   server.sin_addr.s_addr=INADDR_ANY;
   server.sin_port=htons(atoi(argv[1]));
   if (bind(sock,(struct sockaddr *)&server,length)<0) 
      error("binding");
   fromlen = sizeof(struct sockaddr_in);
   while (true) {
      n = receiveMessage(&clientMsg, sock, &from);
      if (n < 0)
         error("recieveMessage");
      cout << "msg: " << clientMsg.buffer << endl;

      if (strcmp(clientMsg.buffer, "Hello") == 0)
      {
         strcpy(serverMsg.buffer, "I'm thinking of a number between 1 and 1000. Guess what it is.");
      }else {
         int guess = atoi(clientMsg.buffer);

         cout << "guess: " << guess << endl;

         if (guess < 1 || guess > 1000) {
            strcpy(serverMsg.buffer, "You must guess a number between 1 and 1000");
         }else if(guess > num)
            strcpy(serverMsg.buffer, "The number I'm thinking of is less than that.");
         else if(guess < num)
            strcpy(serverMsg.buffer, "The number I'm thinking of is greater than that.");
         else if(guess == num) {
            strcpy(serverMsg.buffer, "Congratulations! I will now think of a new number.");
            num = (rand() % 1000) + 1;
         }      
      }

      cout << "msg: " << serverMsg.buffer << endl;

      n = sendMessage(&serverMsg, sock, &from);
      if (n  < 0)
         error("sendMessage");
   }
   return 0;
}

int dbtest()
{
        MYSQL *connection, mysql;
        MYSQL_RES *result;
        MYSQL_ROW row;
        int query_state;

        mysql_init(&mysql);

        connection = mysql_real_connect(&mysql,"localhost","pythonAdmin","pyMaster09*","pythondb",0,0,0);

        if (connection == NULL) {
                cout << mysql_error(&mysql) << endl;
                return 1;
        }else
                cout << "Connection successful" << endl;

        query_state = mysql_query(connection, "SELECT * FROM users");

        if (query_state !=0) {
                cout << mysql_error(connection) << endl;
                return 1;
        }

        result = mysql_store_result(connection);

        while ( ( row = mysql_fetch_row(result)) != NULL ) {
                cout << row[0] << ", " << row[1] << ", " << row[2] << endl;
        }

        mysql_free_result(result);
        mysql_close(connection);

        cout << "Test finished" << endl;

        return 0;
}