static void aio_accept_connection(AIO_SLOT *slot)
{
struct sockaddr_storage client_addr;
unsigned int len;
int fd;
char clientName[120];
memset(clientName,'\0',120);
AIO_SLOT *new_slot, *saved_slot;
//fprintf(stderr,"------ new conection --\n");
if (!slot->close_f) {
len = sizeof(client_addr);
fd = accept(slot->fd, (struct sockaddr *) &client_addr, &len);
if (fd < 0)
return;
getnameinfo((struct sockaddr *)&client_addr,len,clientName,40,NULL,0,NI_NUMERICHOST);
//No colocar fprintf errorr.... en la antenna se redirecciona a
// el socket
//fprintf(stderr,"conection from : %s\n",clientName);
new_slot = aio_new_slot(fd, clientName, slot->bytes_to_read);
// fprintf(stderr,"new slot created for %s\n",clientName);
saved_slot = cur_slot;
cur_slot = new_slot;
(*slot->readfunc)();
cur_slot = saved_slot;
}
}
int aio_listen(int port, AIO_FUNCPTR initfunc, AIO_FUNCPTR acceptfunc,
size_t slot_size)
{
AIO_SLOT *slot, *saved_slot;
int listen_fd;
struct sockaddr_in listen_addr;
int optval = 1;
errno = 0;
/* initfunc is optional but acceptfunc should be provided. */
if (acceptfunc == NULL)
return 0;
listen_fd = socket(AF_INET, SOCK_STREAM, 0);
if (listen_fd < 0)
return 0;
if (setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR,
&optval, sizeof(int)) != 0) {
close(listen_fd);
return 0;
}
listen_addr.sin_family = AF_INET;
listen_addr.sin_addr.s_addr = s_bind_address.s_addr;
listen_addr.sin_port = htons((unsigned short)port);
if ( bind(listen_fd, (struct sockaddr *)&listen_addr,
sizeof(listen_addr)) != 0 ||
fcntl(listen_fd, F_SETFL, O_NONBLOCK) != 0 ||
listen(listen_fd, 5) != 0 ) {
close(listen_fd);
return 0;
}
slot = aio_new_slot(listen_fd, "[listening slot]", sizeof(AIO_SLOT));
if (slot == NULL)
return 0;
slot->listening_f = 1;
slot->bytes_to_read = slot_size;
slot->readfunc = acceptfunc;
if (initfunc != NULL) {
saved_slot = cur_slot;
cur_slot = slot;
(*initfunc)();
cur_slot = saved_slot;
}
return 1;
}
int aio_add_slot(int fd, char *name, AIO_FUNCPTR initfunc, size_t slot_size)
{
AIO_SLOT *slot, *saved_slot;
if (initfunc == NULL)
return 0;
slot = aio_new_slot(fd, name, slot_size);
if (slot == NULL)
return 0;
/* Saving cur_slot value, calling initfunc with different cur_slot */
saved_slot = cur_slot;
cur_slot = slot;
(*initfunc)();
cur_slot = saved_slot;
return 1;
}
static void aio_accept_connection(AIO_SLOT *slot)
{
struct sockaddr_in client_addr;
unsigned int len;
int fd;
AIO_SLOT *new_slot, *saved_slot;
if (!slot->close_f) {
len = sizeof(client_addr);
fd = accept(slot->fd, (struct sockaddr *) &client_addr, &len);
if (fd < 0)
return;
new_slot = aio_new_slot(fd, inet_ntoa(client_addr.sin_addr),
slot->bytes_to_read);
saved_slot = cur_slot;
cur_slot = new_slot;
(*slot->readfunc)();
cur_slot = saved_slot;
}
}
int aio_listen(int port, AIO_FUNCPTR initfunc, AIO_FUNCPTR acceptfunc,
size_t slot_size)
{
//IPv6
int error;
struct addrinfo hints, *res, *aux;
int one = 1;
char service[32];
AIO_SLOT *slot, *saved_slot;
int listen_fd;
struct sockaddr_in listen_addr;
int optval = 1;
errno = 0;
fprintf(stderr,"Abriendo socket listener\n");
/* initfunc is optional but acceptfunc should be provided. */
if (acceptfunc == NULL)
return 0;
//ipv6
memset(service, 0, 32);
sprintf(service, "%d", port);
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_socktype = SOCK_STREAM;
if (error = getaddrinfo("0::0", service, &hints, &res)) {
if (error = getaddrinfo("0.0.0.0", service, &hints, &res)) {
perror(": ListenAtTcpPort: getaddrinfo");
return 0;
}
}
for (aux = res; aux; aux = aux->ai_next) {
listen_fd = socket(aux->ai_family, aux->ai_socktype, aux->ai_protocol);
if (listen_fd < 0) {
perror(": ListenAtTcpPort: socket");
continue;
}
if (setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR,
(const char *)&one, sizeof(one)) < 0)
{
perror(": ListenAtTcpPort: setsockopt");
close(listen_fd);
return 0;
}
if (bind(listen_fd, aux->ai_addr, aux->ai_addrlen) < 0) {
perror(": ListenAtTcpPort: bind");
close(listen_fd);
continue;
}
fcntl(listen_fd, F_SETFL, O_NONBLOCK);
if (listen(listen_fd, 5) < 0) {
perror(": ListenAtTcpPort: listen");
close(listen_fd);
continue;
}
slot = aio_new_slot(listen_fd, "[listening slot]", sizeof(AIO_SLOT));
if (slot == NULL){
freeaddrinfo(res);
return 0;
}
fprintf(stderr,"ha llegado una conexion\n");
slot->listening_f = 1;
slot->bytes_to_read = slot_size;
slot->readfunc = acceptfunc;
if (initfunc != NULL) {
saved_slot = cur_slot;
cur_slot = slot;
(*initfunc)();
cur_slot = saved_slot;
}
freeaddrinfo(res);
return 1;
}
freeaddrinfo(res);
return 0 ;
/*
listen_fd = socket(AF_INET, SOCK_STREAM, 0);
if (listen_fd < 0)
return 0;
if (setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR,
&optval, sizeof(int)) != 0) {
close(listen_fd);
return 0;
}
listen_addr.sin_family = AF_INET;
listen_addr.sin_addr.s_addr = s_bind_address.s_addr;
listen_addr.sin_port = htons((unsigned short)port);
if ( bind(listen_fd, (struct sockaddr *)&listen_addr,
sizeof(listen_addr)) != 0 ||
fcntl(listen_fd, F_SETFL, O_NONBLOCK) != 0 ||
listen(listen_fd, 5) != 0 ) {
close(listen_fd);
return 0;
}
slot = aio_new_slot(listen_fd, "[listening slot]", sizeof(AIO_SLOT));
if (slot == NULL)
return 0;
slot->listening_f = 1;
slot->bytes_to_read = slot_size;
slot->readfunc = acceptfunc;
if (initfunc != NULL) {
saved_slot = cur_slot;
cur_slot = slot;
(*initfunc)();
cur_slot = saved_slot;
}
return 1;*/
}