diff options
Diffstat (limited to 'app/nginx/src/event/ngx_event_connectex.c')
| -rw-r--r-- | app/nginx/src/event/ngx_event_connectex.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/app/nginx/src/event/ngx_event_connectex.c b/app/nginx/src/event/ngx_event_connectex.c deleted file mode 100644 index 59ada74..0000000 --- a/app/nginx/src/event/ngx_event_connectex.c +++ /dev/null @@ -1,206 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -#define NGX_MAX_PENDING_CONN 10 - - -static CRITICAL_SECTION connect_lock; -static int nconnects; -static ngx_connection_t pending_connects[NGX_MAX_PENDING_CONN]; - -static HANDLE pending_connect_event; - -__declspec(thread) int nevents = 0; -__declspec(thread) WSAEVENT events[WSA_MAXIMUM_WAIT_EVENTS + 1]; -__declspec(thread) ngx_connection_t *conn[WSA_MAXIMUM_WAIT_EVENTS + 1]; - - - -int ngx_iocp_wait_connect(ngx_connection_t *c) -{ - for ( ;; ) { - EnterCriticalSection(&connect_lock); - - if (nconnects < NGX_MAX_PENDING_CONN) { - pending_connects[--nconnects] = c; - LeaveCriticalSection(&connect_lock); - - if (SetEvent(pending_connect_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, - "SetEvent() failed"); - return NGX_ERROR; - - break; - } - - LeaveCriticalSection(&connect_lock); - ngx_log_error(NGX_LOG_NOTICE, c->log, 0, - "max number of pending connect()s is %d", - NGX_MAX_PENDING_CONN); - msleep(100); - } - - if (!started) { - if (ngx_iocp_new_thread(1) == NGX_ERROR) { - return NGX_ERROR; - } - started = 1; - } - - return NGX_OK; -} - - -int ngx_iocp_new_thread(int main) -{ - u_int id; - - if (main) { - pending_connect_event = CreateEvent(NULL, 0, 1, NULL); - if (pending_connect_event == INVALID_HANDLE_VALUE) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, - "CreateThread() failed"); - return NGX_ERROR; - } - } - - if (CreateThread(NULL, 0, ngx_iocp_wait_events, main, 0, &id) - == INVALID_HANDLE_VALUE) - { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, - "CreateThread() failed"); - return NGX_ERROR; - } - - SetEvent(event) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, - "SetEvent() failed"); - return NGX_ERROR; - } - - return NGX_OK; -} - - -int ngx_iocp_new_connect() -{ - EnterCriticalSection(&connect_lock); - c = pending_connects[--nconnects]; - LeaveCriticalSection(&connect_lock); - - conn[nevents] = c; - - events[nevents] = WSACreateEvent(); - if (events[nevents] == INVALID_HANDLE_VALUE) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, - "WSACreateEvent() failed"); - return NGX_ERROR; - } - - if (WSAEventSelect(c->fd, events[nevents], FD_CONNECT) == -1) - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno, - "WSAEventSelect() failed"); - return NGX_ERROR; - } - - nevents++; - - return NGX_OK; -} - - -void ngx_iocp_wait_events(int main) -{ - WSANETWORKEVENTS ne; - - nevents = 1; - events[0] = pending_connect_event; - conn[0] = NULL; - - for ( ;; ) { - offset = (nevents == WSA_MAXIMUM_WAIT_EVENTS + 1) ? 1: 0; - timeout = (nevents == 1 && !first) ? 60000: INFINITE; - - n = WSAWaitForMultipleEvents(nevents - offset, events[offset], - 0, timeout, 0); - if (n == WAIT_FAILED) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno, - "WSAWaitForMultipleEvents() failed"); - continue; - } - - if (n == WAIT_TIMEOUT) { - if (nevents == 2 && !main) { - ExitThread(0); - } - - ngx_log_error(NGX_LOG_ALERT, log, 0, - "WSAWaitForMultipleEvents() " - "returned unexpected WAIT_TIMEOUT"); - continue; - } - - n -= WSA_WAIT_EVENT_0; - - if (events[n] == NULL) { - - /* the pending_connect_event */ - - if (nevents == WSA_MAXIMUM_WAIT_EVENTS) { - ngx_iocp_new_thread(0); - } else { - ngx_iocp_new_connect(); - } - - continue; - } - - if (WSAEnumNetworkEvents(c[n].fd, events[n], &ne) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno, - "WSAEnumNetworkEvents() failed"); - continue; - } - - if (ne.lNetworkEvents & FD_CONNECT) { - conn[n].write->ovlp.error = ne.iErrorCode[FD_CONNECT_BIT]; - - if (PostQueuedCompletionStatus(iocp, 0, NGX_IOCP_CONNECT, - &conn[n].write->ovlp) == 0) - { - ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno, - "PostQueuedCompletionStatus() failed"); - continue; - } - - if (n < nevents) { - conn[n] = conn[nevents]; - events[n] = events[nevents]; - } - - nevents--; - continue; - } - - if (ne.lNetworkEvents & FD_ACCEPT) { - - /* CHECK ERROR ??? */ - - ngx_event_post_acceptex(conn[n].listening, 1); - continue; - } - - ngx_log_error(NGX_LOG_ALERT, c[n].log, 0, - "WSAWaitForMultipleEvents() " - "returned unexpected network event %ul", - ne.lNetworkEvents); - } -} |