mirror of
https://github.com/nginx/nginx.git
synced 2025-01-07 17:27:48 +08:00
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
|
|
#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
|