void dispatcher_sigusr1(int sig)
{
syslog(LOG_INFO, "Cerrando cola de conexiones");
destroy_connections(_connections);
free(_connections);
syslog(LOG_INFO, "Apagando dispatcher");
daemon_on = 0;
pthread_exit(OK);
}
void destroy_graph(t_graph *graph)
{
t_graph *tmp;
t_graph *prev;
tmp = graph;
prev = NULL;
while (tmp)
{
destroy_connections(tmp->connections);
ft_strdel(&tmp->id);
ft_memdel((void**)&prev);
prev = tmp;
tmp = tmp->next;
}
ft_memdel((void**)&prev);
}
int main(int argc, char *argv[])
{
int lsfd;
int ret, n, i;
struct epoll_event event;
struct epoll_event *events = NULL;
connection_t *conn;
connections_head_t *head = NULL;
if (argc != 2) {
fprintf(stdout, "Usage: %s [port]\n", argv[0]);
exit(EXIT_FAILURE);
}
/* init connections cache */
head = init_connections(MAX_CONNECTIONS);
if (NULL == head) {
ERROR_MSG("init_connections\n");
goto error;
}
/* init SSL data */
ret = init_OpenSSL();
if (ret != 0) {
ERROR_MSG("init_OpenSSL\n");
goto error;
}
head->ctx = init_ssl_ctx(SRV_CERTFILE, SRV_PRIKEY, SRV_CAFILE);
if (NULL == head->ctx) {
ERROR_MSG("init_ssl_ctx error\n");
goto error;
}
/* init epoll's data */
head->epfd = epoll_create(MAX_CONNECTIONS);
if (-1 == head->epfd) {
ERROR_MSG("epoll_create\n");
goto error;
}
events = calloc(MAX_EVENTS, sizeof(struct epoll_event));
if (NULL == events) {
ERROR_MSG("calloc\n");
goto error;
}
/* listen's data */
lsfd = start_listen(argv[1]);
if (lsfd < 0) {
ERROR_MSG("start_listen\n");
goto error;
}
/* add the lsfd to events */
conn = get_connection(head);
if (NULL == conn) {
ERROR_MSG("get_connection\n");
goto error;
}
conn->fd = lsfd;
conn->handler = accept_handler;
event.data.ptr = conn;
event.events = EPOLLIN | EPOLLET;
ret = epoll_ctl(head->epfd, EPOLL_CTL_ADD, lsfd, &event);
if (-1 == ret) {
ERROR_MSG("epoll_ctl\n");
goto error;
}
/* The event loop */
while (1)
{
n = epoll_wait(head->epfd, events, MAX_EVENTS, -1);
for (i = 0; i < n; ++i)
{
conn = events[i].data.ptr;
if ((events[i].events & EPOLLERR)
|| (events[i].events & EPOLLHUP)
|| !(events[i].events & EPOLLIN))
{
/* it will delete the event from events at the same time
* due to invoked close
*/
free_connection(head, conn);
} else {
if (conn->handler) {
conn->handler(head, conn);
}
}
}
}
error:
if (events) free(events);
destroy_connections(head);
return EXIT_SUCCESS;
}
