Mercurial > hg > nginx-quic
view src/event/ngx_event_accept.c @ 95:b48066122884
nginx-0.0.1-2003-05-23-15:53:01 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 23 May 2003 11:53:01 +0000 |
parents | 738fe44c70d5 |
children | a23d010f356d |
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#include <nginx.h> #include <ngx_config.h> #include <ngx_core.h> #include <ngx_types.h> #include <ngx_log.h> #include <ngx_connection.h> #include <ngx_event.h> void ngx_event_accept(ngx_event_t *ev) { int instance; socklen_t len; struct sockaddr *sa; ngx_err_t err; ngx_pool_t *pool; ngx_socket_t s; ngx_event_t *rev, *wev; ngx_connection_t *c, *ls; ls = (ngx_connection_t *) ev->data; ngx_log_debug(ev->log, "ngx_event_accept: accept ready: %d" _ ev->available); ev->ready = 0; #if 0 /* DEBUG */ ev->available++; #endif do { /* Create the pool before accept() to avoid copy the sockaddr. Although accept() can fail it's uncommon case and the pool can be got from the free pool list */ pool = ngx_create_pool(ls->pool_size, ev->log); if (pool == NULL) { return; } sa = ngx_palloc(pool, ls->socklen); if (sa == NULL) { return; } len = ls->socklen; s = accept(ls->fd, sa, &len); if (s == -1) { err = ngx_socket_errno; ngx_destroy_pool(pool); if (err == NGX_EAGAIN) { ngx_log_error(NGX_LOG_NOTICE, ev->log, err, "EAGAIN while accept %s", ls->addr_text.data); return; } ngx_log_error(NGX_LOG_ALERT, ev->log, err, "accept %s failed", ls->addr_text.data); return; } /* set a blocking mode for aio and non-blocking mode for others */ if (ngx_inherited_nonblocking) { if ((ngx_event_flags & NGX_USE_AIO_EVENT)) { if (ngx_blocking(s) == -1) { ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, ngx_blocking_n " %s failed", ls->addr_text.data); return; } } } else { if ((ngx_event_flags & NGX_USE_AIO_EVENT) == 0) { if (ngx_nonblocking(s) == -1) { ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, ngx_nonblocking_n " %s failed", ls->addr_text.data); return; } } } rev = &ngx_read_events[s]; wev = &ngx_write_events[s]; c = &ngx_connections[s]; instance = rev->instance; ngx_memzero(rev, sizeof(ngx_event_t)); ngx_memzero(wev, sizeof(ngx_event_t)); ngx_memzero(c, sizeof(ngx_connection_t)); c->pool = pool; c->sockaddr = sa; c->family = ls->family; c->socklen = len; c->addr = ls->addr; c->addr_text_max_len = ls->addr_text_max_len; c->post_accept_timeout = ls->post_accept_timeout; rev->instance = wev->instance = !instance; rev->index = wev->index = NGX_INVALID_INDEX; rev->data = wev->data = c; c->read = rev; c->write = wev; c->fd = s; c->unexpected_eof = 1; wev->write = 1; if ((ngx_event_flags & NGX_USE_AIO_EVENT) == 0) { wev->ready = 1; } c->ctx = ls->ctx; c->servers = ls->servers; c->log = ngx_palloc(c->pool, sizeof(ngx_log_t)); if (c->log == NULL) { return; } ngx_memcpy(c->log, ev->log, sizeof(ngx_log_t)); rev->log = wev->log = c->log; /* STUB: x86: SP: xadd ?, MT: lock xadd, MP: lock xadd, shared */ c->number = ngx_connection_counter++; ngx_log_debug(ev->log, "ngx_event_accept: accept: %d, %d" _ s _ c->number); #if (HAVE_DEFERRED_ACCEPT) if (ev->accept_filter) { rev->ready = 1; } #endif #if (HAVE_EDGE_EVENT) /* epoll */ if (ngx_event_flags & NGX_HAVE_EDGE_EVENT) { if (ngx_edge_add_event(ev) == NGX_ERROR) { return; } } #endif ls->handler(c); if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { ev->available--; } } while (ev->available); return; }