void loading_squares_behaviour::init(resource_hub * resources) {
init_rendering(resources);
// random numbers
generator.seed((uint32_t)time(nullptr));
t_distribution = std::uniform_real_distribution<float>(0.f, 0.5f);
dt_distribution = std::uniform_real_distribution<float>(0.2f, 0.5f);
// init squares
init_squares();
upload = false;
}
int main(int argc, char **argv)
{
pthread_t db_thread_id;
int sockfd, newfd; /* Socket descriptor and new descriptor */
struct sockaddr_in my_addr; // my address information
struct sockaddr_in their_addr; // connector's address information
socklen_t sin_size;
int yes=1, quit;
struct square_t square[MAX_SQUARES]; // Array that holds runtime data for squares
init_squares(square,MAX_SQUARES); // Init this array
init_the_very_ugly_array (very_ugly_array, MAX_SQUARES);
if(argc!=2) // Some error handling
{
fprintf(stderr,"usage: %s port", argv[0]);
exit(EXIT_FAILURE);
}
if((sockfd = socket(AF_INET,SOCK_STREAM,0))==-1) // Create an internet TCP-socket
{
perror("socket");
exit(EXIT_FAILURE);
}
if(setsockopt(sockfd,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(int))==-1)
{
perror("setsockopt");
exit(EXIT_FAILURE);
}
my_addr.sin_family = AF_INET; // host byte order
my_addr.sin_port = htons( atoi(argv[1]) ); // short, network byte order
my_addr.sin_addr.s_addr = INADDR_ANY; //Automatically fill in my IP
memset(my_addr.sin_zero,'\0',sizeof(my_addr.sin_zero));
if(bind(sockfd,(struct sockaddr*)&my_addr, sizeof(my_addr))==-1)
{
perror("bind");
exit(EXIT_FAILURE);
}
if(listen(sockfd,BACKLOG)==-1)
{
perror("listen");
exit(EXIT_FAILURE);
}
pthread_create(&db_thread_id,NULL,db_thread,square);
/* Main loop waiting for connections */
quit = 0;
while (!quit)
{
int newIndex=-1;
/* This check the sd if there is a pending connection.
* If there is one, accept that, and open a new socket for communicating */
sin_size = sizeof(their_addr);
if ((newfd = accept(sockfd,(struct sockaddr*)&their_addr,&sin_size))==-1)
{
perror("accept");
continue; // Goto loop beginning immediately. This accept failed.
}
newIndex = find_free_slot(square,MAX_SQUARES);
printf("New index: %d.\n", newIndex);
if(newIndex==-1)
{
close(newfd); // Close the socket descriptor to indicate to client that
continue; // we have no more space for it. Then goto beginning of loop.
}
square[newIndex].free=0; // Indicate that this slot is no longer free.
square[newIndex].csd = newfd; // Note the desciptor to communicate via.
square[newIndex].myindex = newIndex; // Note which index the thread has
/* Now we can communicate with the client using csd socket (from accept)
* sd will remain opened waiting other connections */
/* Get the remote address */
printf("Got connection from %s.\n",inet_ntoa(their_addr.sin_addr));
strcpy(square[newIndex].remote_ip_str, inet_ntoa(their_addr.sin_addr));
// Set the server port in square struct
sprintf(square[newIndex].server_port,"%d",atoi(argv[1]) );
// Serve the client in a separate thread. Main program will accept other clients.
pthread_create(&(square[newIndex].thread_id), NULL, do_square, &(square[newIndex]));
}
return EXIT_SUCCESS;
}