Mercurial > hg > nginx-quic
view src/os/win32/ngx_wsasend.c @ 4367:9c4acdf9b276 stable-1.0
Merge of r4315:
Allowed add_header for proxied 206 replies.
It was working for nginx's own 206 replies as they are seen as 200 in the
headers filter module (range filter goes later in the headers filter chain),
but not for proxied replies.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 14 Dec 2011 18:06:21 +0000 |
parents | d43d73277c5c |
children | d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> ssize_t ngx_wsasend(ngx_connection_t *c, u_char *buf, size_t size) { int n; u_long sent; ngx_err_t err; ngx_event_t *wev; WSABUF wsabuf; wev = c->write; if (!wev->ready) { return NGX_AGAIN; } /* * WSABUF must be 4-byte aligned otherwise * WSASend() will return undocumented WSAEINVAL error. */ wsabuf.buf = (char *) buf; wsabuf.len = size; sent = 0; n = WSASend(c->fd, &wsabuf, 1, &sent, 0, NULL, NULL); ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, "WSASend: fd:%d, %d, %ul of %uz", c->fd, n, sent, size); if (n == 0) { if (sent < size) { wev->ready = 0; } c->sent += sent; return sent; } err = ngx_socket_errno; if (err == WSAEWOULDBLOCK) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "WSASend() not ready"); return NGX_AGAIN; } wev->error = 1; ngx_connection_error(c, err, "WSASend() failed"); return NGX_ERROR; } ssize_t ngx_overlapped_wsasend(ngx_connection_t *c, u_char *buf, size_t size) { int n; u_long sent; ngx_err_t err; ngx_event_t *wev; LPWSAOVERLAPPED ovlp; WSABUF wsabuf; wev = c->write; if (!wev->ready) { return NGX_AGAIN; } ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "wev->complete: %d", wev->complete); if (!wev->complete) { /* post the overlapped WSASend() */ /* * WSABUFs must be 4-byte aligned otherwise * WSASend() will return undocumented WSAEINVAL error. */ wsabuf.buf = (char *) buf; wsabuf.len = size; sent = 0; ovlp = (LPWSAOVERLAPPED) &c->write->ovlp; ngx_memzero(ovlp, sizeof(WSAOVERLAPPED)); n = WSASend(c->fd, &wsabuf, 1, &sent, 0, ovlp, NULL); ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, "WSASend: fd:%d, %d, %ul of %uz", c->fd, n, sent, size); wev->complete = 0; if (n == 0) { 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 WSASend() was already complete */ wev->active = 1; return NGX_AGAIN; } if (sent < size) { wev->ready = 0; } c->sent += sent; return sent; } err = ngx_socket_errno; if (err == WSA_IO_PENDING) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "WSASend() posted"); wev->active = 1; return NGX_AGAIN; } wev->error = 1; ngx_connection_error(c, err, "WSASend() failed"); return NGX_ERROR; } /* the overlapped WSASend() complete */ wev->complete = 0; wev->active = 0; if (ngx_event_flags & NGX_USE_IOCP_EVENT) { if (wev->ovlp.error) { ngx_connection_error(c, wev->ovlp.error, "WSASend() failed"); return NGX_ERROR; } sent = wev->available; } else { if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &wev->ovlp, &sent, 0, NULL) == 0) { ngx_connection_error(c, ngx_socket_errno, "WSASend() or WSAGetOverlappedResult() failed"); return NGX_ERROR; } } ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "WSAGetOverlappedResult: fd:%d, %ul of %uz", c->fd, sent, size); if (sent < size) { wev->ready = 0; } c->sent += sent; return sent; }