Mercurial > hg > nginx
view src/os/win32/ngx_sendfile.c @ 60:50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 11 Feb 2003 07:14:40 +0000 |
parents | e8cdc2989cee |
children | 8dee38ea9117 |
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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_connection.h> #include <ngx_sendv.h> #include <ngx_sendfile.h> /* TODO: various flags TransmitPackets */ #if (HAVE_WIN32_TRANSMITFILE) int ngx_sendfile(ngx_connection_t *c, 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, u_int flags) { int tfrc, rc; ngx_err_t tf_err, err; OVERLAPPED olp; TRANSMIT_FILE_BUFFERS tfb, *ptfb; #if 0 ev = c->write; if (ev->timedout) { ngx_set_socket_errno(NGX_ETIMEDOUT); ngx_log_error(NGX_LOG_ERR, ev->log, 0, "TransmitFile() timed out"); return NGX_ERROR; } if (ev->ready) { ev->ready = 0; #if (HAVE_IOCP_EVENT) /* iocp */ if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) { if (ev->ovlp.error) { ngx_log_error(NGX_LOG_ERR, ev->log, 0, "TransmitFile() failed"); return NGX_ERROR; } return ev->available; } } #endif /* TODO: WSAGetOverlappedResult stuff */ } #endif 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 flags = TF_DISCONNECT|TF_REUSE_SOCKET; tfrc = transmitfile(c->fd, NULL, 0, 0, &olp, NULL, flags); #else tfrc = TransmitFile(c->fd, fd, nbytes, 0, &olp, ptfb, flags); #endif #if 0 #if 1 tfrc = TransmitFile(c->fd, fd, nbytes, 0, &olp, ptfb, 0); #else tfrc = TransmitFile(c->fd, fd, nbytes, 0, NULL, ptfb, 0); #endif #endif if (tfrc == 0) { tf_err = ngx_socket_errno; ngx_log_error(NGX_LOG_NOTICE, c->log, tf_err, "ngx_sendfile: TransmitFile failed"); if (tf_err == WSA_IO_PENDING) { return NGX_AGAIN; } } /* set sent */ #if 0 rc = WSAGetOverlappedResult(c->fd, &olp, (unsigned long *) sent, 0, NULL); #else *sent = olp.InternalHigh; rc = 1; #endif ngx_log_debug(c->log, "TransmitFile: %d, @%I64d %I64d:%d" _ tfrc _ offset _ *sent _ nbytes); if (rc == 0) { err = ngx_socket_errno; ngx_log_error(NGX_LOG_ERR, c->log, err, "ngx_sendfile: WSAGetOverlappedResult failed"); } if (tfrc == 0) { if (tf_err != NGX_EAGAIN) { ngx_log_error(NGX_LOG_ERR, c->log, tf_err, "ngx_sendfile: TransmitFile failed"); return NGX_ERROR; } ngx_log_error(NGX_LOG_INFO, c->log, tf_err, "ngx_sendfile: TransmitFile sent only %I64d bytes", *sent); } if (rc == 0) return NGX_ERROR; return NGX_OK; } #endif