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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_types.h>
#include <ngx_string.h>
#include <ngx_log.h>
#include <ngx_alloc.h>
#include <ngx_array.h>
#include <ngx_listen.h>
#include <ngx_connection.h>
#include <ngx_event.h>
#include <ngx_event_accept.h>
#include <ngx_select_module.h>
#if (HAVE_POLL)
#include <ngx_poll_module.h>
#endif
#if (HAVE_DEVPOLL)
#include <ngx_devpoll_module.h>
#endif
#if (HAVE_KQUEUE)
#include <ngx_kqueue_module.h>
#endif
#if (HAVE_AIO)
#include <ngx_aio_module.h>
#endif
#if (HAVE_IOCP)
#include <ngx_event_acceptex.h>
#include <ngx_iocp_module.h>
#endif
ngx_connection_t *ngx_connections;
ngx_event_t *ngx_read_events, *ngx_write_events;
#if !(USE_KQUEUE)
ngx_event_type_e ngx_event_type;
int ngx_event_flags;
ngx_event_actions_t ngx_event_actions;
/* ngx_event_type_e order */
static int (*ngx_event_init[]) (int max_connections, ngx_log_t *log) = {
ngx_select_init,
#if (HAVE_POLL)
ngx_poll_init,
#endif
#if (HAVE_DEVPOLL)
ngx_devpoll_init,
#endif
#if (HAVE_KQUEUE)
ngx_kqueue_init,
#endif
#if (HAVE_AIO)
ngx_aio_init,
#endif
#if (HAVE_IOCP)
ngx_iocp_init
#endif
};
#endif /* USE_KQUEUE */
void ngx_pre_thread(ngx_array_t *ls, ngx_pool_t *pool, ngx_log_t *log)
{
int i, fd;
ngx_listen_t *s;
ngx_event_t *ev;
ngx_connection_t *c;
/* STUB */
int max_connections = 512;
#if 0
ngx_event_type = NGX_POLL_EVENT_N;
#endif
#if 1
ngx_event_type = NGX_KQUEUE_EVENT_N;
#endif
#if 0
ngx_event_type = NGX_DEVPOLL_EVENT_N;
#endif
#if 0
ngx_event_type = NGX_AIO_EVENT_N;
#endif
#if 0
ngx_event_type = NGX_IOCP_EVENT_N;
#endif
if (ngx_init_events(max_connections, log) == NGX_ERROR) {
exit(1);
}
ngx_connections = ngx_alloc(sizeof(ngx_connection_t)
* max_connections, log);
ngx_read_events = ngx_alloc(sizeof(ngx_event_t) * max_connections, log);
ngx_write_events = ngx_alloc(sizeof(ngx_event_t) * max_connections, log);
/* for each listening socket */
s = (ngx_listen_t *) ls->elts;
for (i = 0; i < ls->nelts; i++) {
fd = s[i].fd;
c = &ngx_connections[fd];
ev = &ngx_read_events[fd];
ngx_memzero(c, sizeof(ngx_connection_t));
ngx_memzero(ev, sizeof(ngx_event_t));
c->fd = fd;
c->family = s[i].family;
c->socklen = s[i].socklen;
c->sockaddr = ngx_palloc(pool, s[i].socklen);
c->addr = s[i].addr;
c->addr_text = s[i].addr_text;
c->addr_text_max_len = s[i].addr_text_max_len;
c->post_accept_timeout = s[i].post_accept_timeout;
c->handler = s[i].handler;
c->ctx = s[i].ctx;
c->servers = s[i].servers;
c->log = s[i].log;
c->pool_size = s[i].pool_size;
ngx_test_null(ev->log,
ngx_palloc(pool, sizeof(ngx_log_t)), /* void */ ; );
ngx_memcpy(ev->log, c->log, sizeof(ngx_log_t));
c->read = ev;
ev->data = c;
ev->index = NGX_INVALID_INDEX;
#if 0
ev->listening = 1;
#endif
ev->available = 0;
#if (HAVE_DEFERRED_ACCEPT)
ev->deferred_accept = s[i].deferred_accept;
#endif
#if (HAVE_IOCP)
if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
ev->event_handler = &ngx_event_acceptex;
/* LOOK: we call ngx_iocp_add_event() also
in ngx_event_post_acceptex() */
if (ngx_iocp_add_event(ev) == NGX_ERROR) {
return NGX_ERROR;
}
ngx_event_post_acceptex(&s[i], 1);
} else {
ev->event_handler = &ngx_event_accept;
}
#else
ev->event_handler = &ngx_event_accept;
ngx_add_event(ev, NGX_READ_EVENT, 0);
#endif
}
}
void ngx_worker(ngx_log_t *log)
{
for ( ;; ) {
ngx_log_debug(log, "ngx_worker cycle");
ngx_process_events(log);
}
}
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