diff options
Diffstat (limited to 'src/os/win32')
| -rw-r--r-- | src/os/win32/ngx_os.h | 10 | ||||
| -rw-r--r-- | src/os/win32/ngx_udp_wsarecv.c | 146 | ||||
| -rw-r--r-- | src/os/win32/ngx_win32_init.c | 1 |
3 files changed, 154 insertions, 3 deletions
diff --git a/src/os/win32/ngx_os.h b/src/os/win32/ngx_os.h index 611f7ef5c..c9a911a75 100644 --- a/src/os/win32/ngx_os.h +++ b/src/os/win32/ngx_os.h @@ -20,11 +20,12 @@ typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size); typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in); typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size); typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); + off_t limit); typedef struct { ngx_recv_pt recv; ngx_recv_chain_pt recv_chain; + ngx_recv_pt udp_recv; ngx_send_pt send; ngx_send_chain_pt send_chain; ngx_uint_t flags; @@ -36,11 +37,14 @@ void ngx_os_status(ngx_log_t *log); ssize_t ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size); ssize_t ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size); +ssize_t ngx_udp_wsarecv(ngx_connection_t *c, u_char *buf, size_t size); +ssize_t ngx_udp_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, + size_t size); ssize_t ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain); ngx_chain_t *ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); + off_t limit); ngx_chain_t *ngx_overlapped_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); + off_t limit); extern ngx_os_io_t ngx_os_io; diff --git a/src/os/win32/ngx_udp_wsarecv.c b/src/os/win32/ngx_udp_wsarecv.c new file mode 100644 index 000000000..017fc6071 --- /dev/null +++ b/src/os/win32/ngx_udp_wsarecv.c @@ -0,0 +1,146 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_event.h> + + +ssize_t +ngx_udp_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) +{ + int rc; + u_long bytes, flags; + WSABUF wsabuf[1]; + ngx_err_t err; + ngx_event_t *rev; + + wsabuf[0].buf = (char *) buf; + wsabuf[0].len = size; + flags = 0; + bytes = 0; + + rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL); + + ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, + "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size); + + rev = c->read; + + if (rc == -1) { + rev->ready = 0; + err = ngx_socket_errno; + + if (err == WSAEWOULDBLOCK) { + ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, + "WSARecv() not ready"); + return NGX_AGAIN; + } + + rev->error = 1; + ngx_connection_error(c, err, "WSARecv() failed"); + + return NGX_ERROR; + } + + return bytes; +} + + +ssize_t +ngx_udp_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size) +{ + int rc; + u_long bytes, flags; + WSABUF wsabuf[1]; + ngx_err_t err; + ngx_event_t *rev; + LPWSAOVERLAPPED ovlp; + + rev = c->read; + + if (!rev->ready) { + ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post"); + return NGX_AGAIN; + } + + ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, + "rev->complete: %d", rev->complete); + + if (rev->complete) { + rev->complete = 0; + + if (ngx_event_flags & NGX_USE_IOCP_EVENT) { + if (rev->ovlp.error) { + ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed"); + return NGX_ERROR; + } + + ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, + "WSARecv ovlp: fd:%d %ul of %z", + c->fd, rev->available, size); + + return rev->available; + } + + if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp, + &bytes, 0, NULL) == 0) { + ngx_connection_error(c, ngx_socket_errno, + "WSARecv() or WSAGetOverlappedResult() failed"); + return NGX_ERROR; + } + + ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, + "WSARecv: fd:%d %ul of %z", c->fd, bytes, size); + + return bytes; + } + + ovlp = (LPWSAOVERLAPPED) &rev->ovlp; + ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); + wsabuf[0].buf = (char *) buf; + wsabuf[0].len = size; + flags = 0; + bytes = 0; + + rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL); + + rev->complete = 0; + + ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, + "WSARecv ovlp: fd:%d rc:%d %ul of %z", + c->fd, rc, bytes, size); + + if (rc == -1) { + err = ngx_socket_errno; + if (err == WSA_IO_PENDING) { + rev->active = 1; + ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, + "WSARecv() posted"); + return NGX_AGAIN; + } + + rev->error = 1; + ngx_connection_error(c, err, "WSARecv() failed"); + return NGX_ERROR; + } + + if (ngx_event_flags & NGX_USE_IOCP_EVENT) { + + /* + * if a socket was bound with I/O completion port + * then GetQueuedCompletionStatus() would anyway return its status + * despite that WSARecv() was already complete + */ + + rev->active = 1; + return NGX_AGAIN; + } + + rev->active = 0; + + return bytes; +} diff --git a/src/os/win32/ngx_win32_init.c b/src/os/win32/ngx_win32_init.c index 4437d338d..5ceb7a84b 100644 --- a/src/os/win32/ngx_win32_init.c +++ b/src/os/win32/ngx_win32_init.c @@ -22,6 +22,7 @@ ngx_fd_t ngx_stderr_fileno; ngx_os_io_t ngx_os_io = { ngx_wsarecv, ngx_wsarecv_chain, + ngx_udp_wsarecv, NULL, ngx_wsasend_chain, 0 |