Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_sendfile.c @ 49:c091d5b853c8
nginx-0.0.1-2003-01-21-20:36:01 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 21 Jan 2003 17:36:01 +0000 |
parents | 708f8bb772ec |
children | e8cdc2989cee |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_types.h> |
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5 #include <ngx_files.h> |
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6 #include <ngx_socket.h> |
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7 #include <ngx_errno.h> |
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8 #include <ngx_log.h> |
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9 #include <ngx_sendv.h> |
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10 #include <ngx_sendfile.h> |
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11 |
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12 /* |
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13 TODO: |
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14 various flags |
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nginx-0.0.1-2002-08-06-20:39:45 import
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15 TransmitPackets |
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16 */ |
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17 |
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18 #if (HAVE_WIN32_TRANSMITFILE) |
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19 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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20 int ngx_sendfile(ngx_socket_t s, |
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21 ngx_iovec_t *headers, int hdr_cnt, |
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22 ngx_fd_t fd, off_t offset, size_t nbytes, |
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23 ngx_iovec_t *trailers, int trl_cnt, |
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24 off_t *sent, |
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25 ngx_log_t *log) |
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26 { |
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27 int tfrc, rc; |
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28 ngx_err_t tf_err, err; |
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29 OVERLAPPED olp; |
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30 TRANSMIT_FILE_BUFFERS tfb, *ptfb; |
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31 |
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32 tf_err = 0; |
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33 err = 0; |
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34 |
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35 olp.Internal = 0; |
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36 olp.InternalHigh = 0; |
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37 olp.Offset = (DWORD) offset; |
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38 olp.OffsetHigh = (DWORD) (offset >> 32); |
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nginx-0.0.1-2002-08-06-20:39:45 import
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39 olp.hEvent = NULL; |
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40 |
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41 if (headers || trailers) { |
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42 tfb.Head = headers->ngx_iov_base; |
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43 tfb.HeadLength = headers->ngx_iov_len; |
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44 tfb.Tail = trailers->ngx_iov_base; |
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45 tfb.TailLength = trailers->ngx_iov_len; |
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46 ptfb = &tfb; |
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47 |
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48 } else { |
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49 ptfb = NULL; |
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50 } |
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51 |
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52 #if 1 |
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53 tfrc = TransmitFile(s, fd, nbytes, 0, &olp, ptfb, 0); |
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54 #else |
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55 tfrc = TransmitFile(s, fd, nbytes, 0, NULL, ptfb, 0); |
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56 #endif |
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57 |
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58 if (tfrc == 0) |
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59 tf_err = ngx_socket_errno; |
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60 |
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61 /* set sent */ |
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62 #if 0 |
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63 rc = WSAGetOverlappedResult(s, &olp, (unsigned long *) sent, 0, NULL); |
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64 #else |
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65 *sent = olp.InternalHigh; |
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66 rc = 1; |
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67 #endif |
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68 |
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69 ngx_log_debug(log, "ngx_sendfile: %d, @%I64d %I64d:%d" _ |
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70 tfrc _ offset _ *sent _ nbytes); |
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71 |
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72 if (rc == 0) { |
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73 err = ngx_socket_errno; |
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74 ngx_log_error(NGX_LOG_ERR, log, err, |
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75 "ngx_sendfile: WSAGetOverlappedResult failed"); |
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76 } |
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77 |
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78 if (tfrc == 0) { |
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79 if (tf_err != NGX_EAGAIN) { |
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80 ngx_log_error(NGX_LOG_ERR, log, tf_err, |
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81 "ngx_sendfile: TransmitFile failed"); |
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82 return NGX_ERROR; |
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83 } |
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84 |
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85 ngx_log_error(NGX_LOG_INFO, log, tf_err, |
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86 "ngx_sendfile: TransmitFile sent only %I64d bytes", |
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87 *sent); |
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88 } |
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89 |
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90 if (rc == 0) |
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91 return NGX_ERROR; |
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92 |
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93 return NGX_OK; |
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94 } |
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95 |
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96 #endif |