Mercurial > hg > nginx-quic
annotate src/os/unix/freebsd/ngx_sendfile.c @ 83:a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 28 Apr 2003 15:06:39 +0000 |
parents | e8cdc2989cee |
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1 |
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2 #include <ngx_config.h> |
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4 #if (HAVE_FREEBSD_SENDFILE) |
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6 #include <ngx_core.h> |
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7 #include <ngx_types.h> |
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8 #include <ngx_socket.h> |
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9 #include <ngx_errno.h> |
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10 #include <ngx_log.h> |
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11 #include <ngx_connection.h> |
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12 #include <ngx_sendv.h> |
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13 #include <ngx_sendfile.h> |
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14 |
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15 /* |
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16 CHECK: |
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17 check sent if errno == EINTR then should return right sent. |
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18 EINTR should not occur according to man. |
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19 */ |
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21 |
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22 int ngx_sendfile(ngx_connection_t *c, |
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23 ngx_iovec_t *headers, int hdr_cnt, |
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24 ngx_fd_t fd, off_t offset, size_t nbytes, |
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25 ngx_iovec_t *trailers, int trl_cnt, |
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26 off_t *sent, u_int flags) |
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27 { |
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28 int rc, i; |
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29 ngx_err_t err; |
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30 struct sf_hdtr hdtr; |
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31 |
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32 hdtr.headers = headers; |
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33 hdtr.hdr_cnt = hdr_cnt; |
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34 hdtr.trailers = trailers; |
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35 hdtr.trl_cnt = trl_cnt; |
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36 |
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37 #if (HAVE_FREEBSD_SENDFILE_NBYTES_BUG) |
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38 for (i = 0; i < hdr_cnt; i++) { |
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39 nbytes += headers[i].iov_len; |
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40 } |
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41 #endif |
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42 |
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43 rc = sendfile(fd, c->fd, offset, nbytes, &hdtr, sent, flags); |
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44 |
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45 if (rc == -1) { |
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46 err = ngx_errno; |
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47 if (err != NGX_EAGAIN && err != NGX_EINTR) { |
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48 ngx_log_error(NGX_LOG_ERR, c->log, err, "sendfile failed"); |
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49 |
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50 return NGX_ERROR; |
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51 |
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52 } else { |
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53 ngx_log_error(NGX_LOG_INFO, c->log, err, |
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54 "sendfile sent only %qd bytes", *sent); |
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55 |
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56 return NGX_AGAIN; |
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57 } |
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58 } |
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59 |
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60 ngx_log_debug(c->log, "sendfile: %d, @%qd %qd:%d" _ |
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61 rc _ offset _ *sent _ nbytes); |
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62 |
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63 return NGX_OK; |
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64 } |
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65 |
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66 #endif |