diff options
Diffstat (limited to 'app/nginx/src/event/modules/ngx_iocp_module.c')
| -rw-r--r-- | app/nginx/src/event/modules/ngx_iocp_module.c | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/app/nginx/src/event/modules/ngx_iocp_module.c b/app/nginx/src/event/modules/ngx_iocp_module.c deleted file mode 100644 index b03944b..0000000 --- a/app/nginx/src/event/modules/ngx_iocp_module.c +++ /dev/null @@ -1,380 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_iocp_module.h> - - -static ngx_int_t ngx_iocp_init(ngx_cycle_t *cycle, ngx_msec_t timer); -static ngx_thread_value_t __stdcall ngx_iocp_timer(void *data); -static void ngx_iocp_done(ngx_cycle_t *cycle); -static ngx_int_t ngx_iocp_add_event(ngx_event_t *ev, ngx_int_t event, - ngx_uint_t key); -static ngx_int_t ngx_iocp_del_connection(ngx_connection_t *c, ngx_uint_t flags); -static ngx_int_t ngx_iocp_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, - ngx_uint_t flags); -static void *ngx_iocp_create_conf(ngx_cycle_t *cycle); -static char *ngx_iocp_init_conf(ngx_cycle_t *cycle, void *conf); - - -static ngx_str_t iocp_name = ngx_string("iocp"); - -static ngx_command_t ngx_iocp_commands[] = { - - { ngx_string("iocp_threads"), - NGX_EVENT_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - 0, - offsetof(ngx_iocp_conf_t, threads), - NULL }, - - { ngx_string("post_acceptex"), - NGX_EVENT_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - 0, - offsetof(ngx_iocp_conf_t, post_acceptex), - NULL }, - - { ngx_string("acceptex_read"), - NGX_EVENT_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - 0, - offsetof(ngx_iocp_conf_t, acceptex_read), - NULL }, - - ngx_null_command -}; - - -static ngx_event_module_t ngx_iocp_module_ctx = { - &iocp_name, - ngx_iocp_create_conf, /* create configuration */ - ngx_iocp_init_conf, /* init configuration */ - - { - ngx_iocp_add_event, /* add an event */ - NULL, /* delete an event */ - NULL, /* enable an event */ - NULL, /* disable an event */ - NULL, /* add an connection */ - ngx_iocp_del_connection, /* delete an connection */ - NULL, /* trigger a notify */ - ngx_iocp_process_events, /* process the events */ - ngx_iocp_init, /* init the events */ - ngx_iocp_done /* done the events */ - } - -}; - -ngx_module_t ngx_iocp_module = { - NGX_MODULE_V1, - &ngx_iocp_module_ctx, /* module context */ - ngx_iocp_commands, /* module directives */ - NGX_EVENT_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -ngx_os_io_t ngx_iocp_io = { - ngx_overlapped_wsarecv, - NULL, - ngx_udp_overlapped_wsarecv, - NULL, - NULL, - NULL, - ngx_overlapped_wsasend_chain, - 0 -}; - - -static HANDLE iocp; -static ngx_tid_t timer_thread; -static ngx_msec_t msec; - - -static ngx_int_t -ngx_iocp_init(ngx_cycle_t *cycle, ngx_msec_t timer) -{ - ngx_iocp_conf_t *cf; - - cf = ngx_event_get_conf(cycle->conf_ctx, ngx_iocp_module); - - if (iocp == NULL) { - iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, - cf->threads); - } - - if (iocp == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateIoCompletionPort() failed"); - return NGX_ERROR; - } - - ngx_io = ngx_iocp_io; - - ngx_event_actions = ngx_iocp_module_ctx.actions; - - ngx_event_flags = NGX_USE_IOCP_EVENT; - - if (timer == 0) { - return NGX_OK; - } - - /* - * The waitable timer could not be used, because - * GetQueuedCompletionStatus() does not set a thread to alertable state - */ - - if (timer_thread == NULL) { - - msec = timer; - - if (ngx_create_thread(&timer_thread, ngx_iocp_timer, &msec, cycle->log) - != 0) - { - return NGX_ERROR; - } - } - - ngx_event_flags |= NGX_USE_TIMER_EVENT; - - return NGX_OK; -} - - -static ngx_thread_value_t __stdcall -ngx_iocp_timer(void *data) -{ - ngx_msec_t timer = *(ngx_msec_t *) data; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, - "THREAD %p %p", &msec, data); - - for ( ;; ) { - Sleep(timer); - - ngx_time_update(); -#if 1 - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, "timer"); -#endif - } - -#if defined(__WATCOMC__) || defined(__GNUC__) - return 0; -#endif -} - - -static void -ngx_iocp_done(ngx_cycle_t *cycle) -{ - if (CloseHandle(iocp) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "iocp CloseHandle() failed"); - } - - iocp = NULL; -} - - -static ngx_int_t -ngx_iocp_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t key) -{ - ngx_connection_t *c; - - c = (ngx_connection_t *) ev->data; - - c->read->active = 1; - c->write->active = 1; - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, - "iocp add: fd:%d k:%ui ov:%p", c->fd, key, &ev->ovlp); - - if (CreateIoCompletionPort((HANDLE) c->fd, iocp, key, 0) == NULL) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, - "CreateIoCompletionPort() failed"); - return NGX_ERROR; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_iocp_del_connection(ngx_connection_t *c, ngx_uint_t flags) -{ -#if 0 - if (flags & NGX_CLOSE_EVENT) { - return NGX_OK; - } - - if (CancelIo((HANDLE) c->fd) == 0) { - ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, "CancelIo() failed"); - return NGX_ERROR; - } -#endif - - return NGX_OK; -} - - -static -ngx_int_t ngx_iocp_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, - ngx_uint_t flags) -{ - int rc; - u_int key; - u_long bytes; - ngx_err_t err; - ngx_msec_t delta; - ngx_event_t *ev; - ngx_event_ovlp_t *ovlp; - - if (timer == NGX_TIMER_INFINITE) { - timer = INFINITE; - } - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "iocp timer: %M", timer); - - rc = GetQueuedCompletionStatus(iocp, &bytes, (PULONG_PTR) &key, - (LPOVERLAPPED *) &ovlp, (u_long) timer); - - if (rc == 0) { - err = ngx_errno; - } else { - err = 0; - } - - delta = ngx_current_msec; - - if (flags & NGX_UPDATE_TIME) { - ngx_time_update(); - } - - ngx_log_debug4(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "iocp: %d b:%d k:%d ov:%p", rc, bytes, key, ovlp); - - if (timer != INFINITE) { - delta = ngx_current_msec - delta; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "iocp timer: %M, delta: %M", timer, delta); - } - - if (err) { - if (ovlp == NULL) { - if (err != WAIT_TIMEOUT) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, err, - "GetQueuedCompletionStatus() failed"); - - return NGX_ERROR; - } - - return NGX_OK; - } - - ovlp->error = err; - } - - if (ovlp == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "GetQueuedCompletionStatus() returned no operation"); - return NGX_ERROR; - } - - - ev = ovlp->event; - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, err, "iocp event:%p", ev); - - - if (err == ERROR_NETNAME_DELETED /* the socket was closed */ - || err == ERROR_OPERATION_ABORTED /* the operation was canceled */) - { - - /* - * the WSA_OPERATION_ABORTED completion notification - * for a file descriptor that was closed - */ - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, err, - "iocp: aborted event %p", ev); - - return NGX_OK; - } - - if (err) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, err, - "GetQueuedCompletionStatus() returned operation error"); - } - - switch (key) { - - case NGX_IOCP_ACCEPT: - if (bytes) { - ev->ready = 1; - } - break; - - case NGX_IOCP_IO: - ev->complete = 1; - ev->ready = 1; - break; - - case NGX_IOCP_CONNECT: - ev->ready = 1; - } - - ev->available = bytes; - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "iocp event handler: %p", ev->handler); - - ev->handler(ev); - - return NGX_OK; -} - - -static void * -ngx_iocp_create_conf(ngx_cycle_t *cycle) -{ - ngx_iocp_conf_t *cf; - - cf = ngx_palloc(cycle->pool, sizeof(ngx_iocp_conf_t)); - if (cf == NULL) { - return NGX_CONF_ERROR; - } - - cf->threads = NGX_CONF_UNSET; - cf->post_acceptex = NGX_CONF_UNSET; - cf->acceptex_read = NGX_CONF_UNSET; - - return cf; -} - - -static char * -ngx_iocp_init_conf(ngx_cycle_t *cycle, void *conf) -{ - ngx_iocp_conf_t *cf = conf; - - ngx_conf_init_value(cf->threads, 0); - ngx_conf_init_value(cf->post_acceptex, 10); - ngx_conf_init_value(cf->acceptex_read, 1); - - return NGX_CONF_OK; -} |