Mercurial > hg > nginx-quic
view src/os/win32/ngx_sendfile.c @ 34:95f1c2a938f3
nginx-0.0.1-2002-12-20-09:54:55 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 20 Dec 2002 06:54:55 +0000 |
parents | 708f8bb772ec |
children | e8cdc2989cee |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_types.h> #include <ngx_files.h> #include <ngx_socket.h> #include <ngx_errno.h> #include <ngx_log.h> #include <ngx_sendv.h> #include <ngx_sendfile.h> /* TODO: various flags TransmitPackets */ #if (HAVE_WIN32_TRANSMITFILE) int ngx_sendfile(ngx_socket_t s, ngx_iovec_t *headers, int hdr_cnt, ngx_fd_t fd, off_t offset, size_t nbytes, ngx_iovec_t *trailers, int trl_cnt, off_t *sent, ngx_log_t *log) { int tfrc, rc; ngx_err_t tf_err, err; OVERLAPPED olp; TRANSMIT_FILE_BUFFERS tfb, *ptfb; tf_err = 0; err = 0; olp.Internal = 0; olp.InternalHigh = 0; olp.Offset = (DWORD) offset; olp.OffsetHigh = (DWORD) (offset >> 32); olp.hEvent = NULL; if (headers || trailers) { tfb.Head = headers->ngx_iov_base; tfb.HeadLength = headers->ngx_iov_len; tfb.Tail = trailers->ngx_iov_base; tfb.TailLength = trailers->ngx_iov_len; ptfb = &tfb; } else { ptfb = NULL; } #if 1 tfrc = TransmitFile(s, fd, nbytes, 0, &olp, ptfb, 0); #else tfrc = TransmitFile(s, fd, nbytes, 0, NULL, ptfb, 0); #endif if (tfrc == 0) tf_err = ngx_socket_errno; /* set sent */ #if 0 rc = WSAGetOverlappedResult(s, &olp, (unsigned long *) sent, 0, NULL); #else *sent = olp.InternalHigh; rc = 1; #endif ngx_log_debug(log, "ngx_sendfile: %d, @%I64d %I64d:%d" _ tfrc _ offset _ *sent _ nbytes); if (rc == 0) { err = ngx_socket_errno; ngx_log_error(NGX_LOG_ERR, log, err, "ngx_sendfile: WSAGetOverlappedResult failed"); } if (tfrc == 0) { if (tf_err != NGX_EAGAIN) { ngx_log_error(NGX_LOG_ERR, log, tf_err, "ngx_sendfile: TransmitFile failed"); return NGX_ERROR; } ngx_log_error(NGX_LOG_INFO, log, tf_err, "ngx_sendfile: TransmitFile sent only %I64d bytes", *sent); } if (rc == 0) return NGX_ERROR; return NGX_OK; } #endif