static void eloop_sock_table_remove_sock(struct eloop_sock_table *table,
int sock)
{
int i;
if (table == NULL || table->table == NULL || table->count == 0)
return;
for (i = 0; i < table->count; i++) {
if (table->table[i].sock == sock)
break;
}
if (i == table->count)
return;
eloop_trace_sock_remove_ref(table);
if (i != table->count - 1) {
os_memmove(&table->table[i], &table->table[i + 1],
(table->count - i - 1) *
sizeof(struct eloop_sock));
}
table->count--;
eloop.count--;
#ifndef CONFIG_ELOOP_EPOLL
table->changed = 1;
#endif /* CONFIG_ELOOP_EPOLL */
eloop_trace_sock_add_ref(table);
#ifdef CONFIG_ELOOP_EPOLL
if (epoll_ctl(eloop.epollfd, EPOLL_CTL_DEL, sock, NULL) < 0) {
wpa_printf(MSG_ERROR, "%s: epoll_ctl(DEL) for fd=%d "
"failed. %s\n", __func__, sock, strerror(errno));
return;
}
os_memset(&eloop.epoll_table[sock], 0, sizeof(struct eloop_sock));
#endif /* CONFIG_ELOOP_EPOLL */
}
static void eloop_sock_table_remove_sock(struct eloop_sock_table *table,
int sock)
{
int i;
if (table == NULL || table->table == NULL || table->count == 0)
return;
for (i = 0; i < table->count; i++) {
if (table->table[i].sock == sock)
break;
}
if (i == table->count)
return;
eloop_trace_sock_remove_ref(table);
if (i != table->count - 1) {
os_memmove(&table->table[i], &table->table[i + 1],
(table->count - i - 1) *
sizeof(struct eloop_sock));
}
table->count--;
eloop.count--;
table->changed = 1;
eloop_trace_sock_add_ref(table);
}
static int eloop_sock_table_add_sock(struct eloop_sock_table *table,
int sock, eloop_sock_handler handler,
void *eloop_data, void *user_data)
{
struct eloop_sock *tmp;
if (table == NULL)
return -1;
eloop_trace_sock_remove_ref(table);
tmp = (struct eloop_sock *)
os_realloc(table->table,
(table->count + 1) * sizeof(struct eloop_sock));
if (tmp == NULL)
return -1;
tmp[table->count].sock = sock;
tmp[table->count].eloop_data = eloop_data;
tmp[table->count].user_data = user_data;
tmp[table->count].handler = handler;
wpa_trace_record(&tmp[table->count]);
table->count++;
table->table = tmp;
if (sock > eloop.max_sock)
eloop.max_sock = sock;
table->changed = 1;
eloop_trace_sock_add_ref(table);
return 0;
}
static int eloop_sock_table_add_sock(struct eloop_sock_table *table,
int sock, eloop_sock_handler handler,
void *eloop_data, void *user_data)
{
struct eloop_sock *tmp;
int new_max_sock;
if (sock > eloop.max_sock)
new_max_sock = sock;
else
new_max_sock = eloop.max_sock;
if (table == NULL)
return -1;
#ifdef CONFIG_ELOOP_POLL
if (new_max_sock >= eloop.max_pollfd_map) {
struct pollfd **nmap;
nmap = os_realloc_array(eloop.pollfds_map, new_max_sock + 50,
sizeof(struct pollfd *));
if (nmap == NULL)
return -1;
eloop.max_pollfd_map = new_max_sock + 50;
eloop.pollfds_map = nmap;
}
if (eloop.count + 1 > eloop.max_poll_fds) {
struct pollfd *n;
int nmax = eloop.count + 1 + 50;
n = os_realloc_array(eloop.pollfds, nmax,
sizeof(struct pollfd));
if (n == NULL)
return -1;
eloop.max_poll_fds = nmax;
eloop.pollfds = n;
}
#endif /* CONFIG_ELOOP_POLL */
eloop_trace_sock_remove_ref(table);
tmp = os_realloc_array(table->table, table->count + 1,
sizeof(struct eloop_sock));
if (tmp == NULL)
return -1;
tmp[table->count].sock = sock;
tmp[table->count].eloop_data = eloop_data;
tmp[table->count].user_data = user_data;
tmp[table->count].handler = handler;
wpa_trace_record(&tmp[table->count]);
table->count++;
table->table = tmp;
eloop.max_sock = new_max_sock;
eloop.count++;
table->changed = 1;
eloop_trace_sock_add_ref(table);
return 0;
}
static int eloop_sock_table_add_sock(struct eloop_sock_table *table,
int sock, eloop_sock_handler handler,
void *eloop_data, void *user_data)
{
#ifdef CONFIG_ELOOP_EPOLL
struct eloop_sock *temp_table;
struct epoll_event ev, *temp_events;
int next;
#endif /* CONFIG_ELOOP_EPOLL */
struct eloop_sock *tmp;
int new_max_sock;
if (sock > eloop.max_sock)
new_max_sock = sock;
else
new_max_sock = eloop.max_sock;
if (table == NULL)
return -1;
#ifdef CONFIG_ELOOP_POLL
if (new_max_sock >= eloop.max_pollfd_map) {
struct pollfd **nmap;
nmap = os_realloc_array(eloop.pollfds_map, new_max_sock + 50,
sizeof(struct pollfd *));
if (nmap == NULL)
return -1;
eloop.max_pollfd_map = new_max_sock + 50;
eloop.pollfds_map = nmap;
}
if (eloop.count + 1 > eloop.max_poll_fds) {
struct pollfd *n;
int nmax = eloop.count + 1 + 50;
n = os_realloc_array(eloop.pollfds, nmax,
sizeof(struct pollfd));
if (n == NULL)
return -1;
eloop.max_poll_fds = nmax;
eloop.pollfds = n;
}
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_EPOLL
if (new_max_sock >= eloop.epoll_max_fd) {
next = eloop.epoll_max_fd == 0 ? 16 : eloop.epoll_max_fd * 2;
temp_table = os_realloc_array(eloop.epoll_table, next,
sizeof(struct eloop_sock));
if (temp_table == NULL)
return -1;
eloop.epoll_max_fd = next;
eloop.epoll_table = temp_table;
}
if (eloop.count + 1 > eloop.epoll_max_event_num) {
next = eloop.epoll_max_event_num == 0 ? 8 :
eloop.epoll_max_event_num * 2;
temp_events = os_realloc_array(eloop.epoll_events, next,
sizeof(struct epoll_event));
if (temp_events == NULL) {
wpa_printf(MSG_ERROR, "%s: malloc for epoll failed. "
"%s\n", __func__, strerror(errno));
return -1;
}
eloop.epoll_max_event_num = next;
eloop.epoll_events = temp_events;
}
#endif /* CONFIG_ELOOP_EPOLL */
eloop_trace_sock_remove_ref(table);
tmp = os_realloc_array(table->table, table->count + 1,
sizeof(struct eloop_sock));
if (tmp == NULL) {
eloop_trace_sock_add_ref(table);
return -1;
}
tmp[table->count].sock = sock;
tmp[table->count].eloop_data = eloop_data;
tmp[table->count].user_data = user_data;
tmp[table->count].handler = handler;
wpa_trace_record(&tmp[table->count]);
table->count++;
table->table = tmp;
eloop.max_sock = new_max_sock;
eloop.count++;
#ifndef CONFIG_ELOOP_EPOLL
table->changed = 1;
#endif /* CONFIG_ELOOP_EPOLL */
eloop_trace_sock_add_ref(table);
#ifdef CONFIG_ELOOP_EPOLL
os_memset(&ev, 0, sizeof(ev));
switch (table->type) {
case EVENT_TYPE_READ:
ev.events = EPOLLIN;
break;
case EVENT_TYPE_WRITE:
ev.events = EPOLLOUT;
break;
/*
* Exceptions are always checked when using epoll, but I suppose it's
* possible that someone registered a socket *only* for exception
* handling.
*/
case EVENT_TYPE_EXCEPTION:
ev.events = EPOLLERR | EPOLLHUP;
break;
}
ev.data.fd = sock;
if (epoll_ctl(eloop.epollfd, EPOLL_CTL_ADD, sock, &ev) < 0) {
wpa_printf(MSG_ERROR, "%s: epoll_ctl(ADD) for fd=%d "
"failed. %s\n", __func__, sock, strerror(errno));
return -1;
}
os_memcpy(&eloop.epoll_table[sock], &table->table[table->count - 1],
sizeof(struct eloop_sock));
#endif /* CONFIG_ELOOP_EPOLL */
return 0;
}