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annotate src/os/win32/ngx_sendfile.c @ 4:c5f071d376e5

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nginx-0.0.1-2002-08-22-19:24:03 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 22 Aug 2002 15:24:03 +0000
parents 34a521b1a148
children 708f8bb772ec
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_types.h>
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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parents: 0
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4 #include <ngx_socket.h>
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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5 #include <ngx_errno.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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6 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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7 #include <ngx_sendv.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_sendfile.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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9
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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10 /*
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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11 TODO:
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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12 various flags
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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13 TransmitPackets
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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14 */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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15
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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16 /*
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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17 returns
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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18 0 done
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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19 -1 error
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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20 */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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21
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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22 #if (HAVE_WIN32_TRANSMITFILE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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23
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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24 int ngx_sendfile(ngx_socket_t s,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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25 ngx_iovec_t *headers, int hdr_cnt,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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26 ngx_file_t fd, off_t offset, size_t nbytes,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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27 ngx_iovec_t *trailers, int trl_cnt,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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28 off_t *sent,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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29 ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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30 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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31 int tfrc, rc;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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32 ngx_err_t tf_err, err;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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33 OVERLAPPED olp;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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34 TRANSMIT_FILE_BUFFERS tfb, *ptfb;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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35
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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36 tf_err = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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37 err = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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38
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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39 olp.Internal = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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40 olp.InternalHigh = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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41 olp.Offset = (DWORD) offset;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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42 olp.OffsetHigh = (DWORD) (offset >> 32);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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43 olp.hEvent = NULL;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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44
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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45 if (headers || trailers) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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46 tfb.Head = headers->ngx_iov_base;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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47 tfb.HeadLength = headers->ngx_iov_len;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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48 tfb.Tail = trailers->ngx_iov_base;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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49 tfb.TailLength = trailers->ngx_iov_len;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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50 ptfb = &tfb;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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51
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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52 } else {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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53 ptfb = NULL;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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54 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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55
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
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56 #if 1
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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57 tfrc = TransmitFile(s, fd, nbytes, 0, &olp, ptfb, 0);
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
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58 #else
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
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59 tfrc = TransmitFile(s, fd, nbytes, 0, NULL, ptfb, 0);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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60 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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61
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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62 if (tfrc == 0)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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63 tf_err = ngx_socket_errno;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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64
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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65 /* set sent */
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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66 #if 0
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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67 rc = WSAGetOverlappedResult(s, &olp, (unsigned long *) sent, 0, NULL);
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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68 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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69
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
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70 #if 0
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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71 ngx_log_debug(log, "ngx_sendfile: %d, @%I64d %I64d:%d" _
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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72 tfrc _ offset _ *sent _ nbytes);
4
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73 #else
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
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74 ngx_log_debug(log, "ngx_sendfile: %d, @%I64d %d:%d" _
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
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75 tfrc _ offset _ olp.InternalHigh _ nbytes);
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
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76 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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77
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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78 if (rc == 0) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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79 err = ngx_socket_errno;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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80 ngx_log_error(NGX_LOG_ERR, log, err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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81 "ngx_sendfile: WSAGetOverlappedResult failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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82 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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83
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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84 if (tfrc == 0) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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85 if (tf_err != NGX_EAGAIN) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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86 ngx_log_error(NGX_LOG_ERR, log, tf_err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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87 "ngx_sendfile: TransmitFile failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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88 return -1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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89 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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90
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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91 ngx_log_error(NGX_LOG_INFO, log, tf_err,
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
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92 "ngx_sendfile: TransmitFile sent only %I64d bytes",
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
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93 *sent);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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94 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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95
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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96 if (rc == 0)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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97 return -1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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98
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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99 return 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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100 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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101
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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102 #endif