Mercurial > hg > nginx
annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 197:0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 27 Nov 2003 07:45:22 +0000 |
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children | 34995c5ec6c4 |
rev | line source |
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197
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nginx-0.0.1-2003-11-27-10:45:22 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_event.h> |
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5 |
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6 |
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7 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in) |
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8 { |
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9 int fd; |
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10 char *prev; |
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11 off_t fprev; |
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12 size_t sent; |
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13 ssize_t n; |
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14 ngx_int_t eintr; |
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nginx-0.0.1-2003-11-27-10:45:22 import
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15 sendfilevec_t *sfv; |
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16 ngx_array_t vec; |
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17 ngx_event_t *wev; |
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18 ngx_chain_t *cl; |
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19 |
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20 wev = c->write; |
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21 |
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22 if (!wev->ready) { |
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23 return in; |
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24 } |
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25 |
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26 do { |
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27 fd = SFV_FD_SELF; |
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28 prev = NULL; |
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29 sfv = NULL; |
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30 eintr = 0; |
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31 sent = 0; |
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32 |
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33 /* create the sendfilevec and coalesce the neighbouring hunks */ |
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34 |
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35 for (cl = in; cl; cl = cl->next) { |
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36 if (ngx_hunk_special(cl->hunk)) { |
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37 continue; |
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38 } |
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39 |
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40 if (ngx_hunk_in_memory_only(cl->hunk)) { |
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41 fd = SFV_FD_SELF; |
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42 |
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43 if (prev == cl->hunk->pos) { |
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44 sfv->sfv_len += cl->hunk->last - cl->hunk->pos; |
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45 |
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46 } else { |
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47 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR); |
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nginx-0.0.1-2003-11-27-10:45:22 import
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48 sfv->sfv_fd = SFV_FD_SELF; |
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49 sfv->sfv_flag = 0; |
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50 sfv->sfv_off = cl->hunk->pos; |
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51 sfv->sfv_len = cl->hunk->last - cl->hunk->pos; |
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52 } |
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53 |
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54 prev = cl->hunk->last; |
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55 |
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56 } else { |
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57 prev = NULL; |
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58 |
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59 if (fd == cl->hunk->file->fd && fprev == cl->hunk->file_pos) { |
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60 sfv->sfv_len += cl->hunk->file_last - cl->hunk->file_pos; |
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61 |
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62 } else { |
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63 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR); |
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64 fd = cl->hunk->file->fd; |
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65 sfv->sfv_fd = fd; |
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66 sfv->sfv_flag = 0; |
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67 sfv->sfv_off = cl->hunk->file_pos; |
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68 sfv->sfv_len = cl->hunk->file_last - cl->hunk->file_pos; |
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69 } |
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70 |
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71 fprev = cl->hunk->file_last; |
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72 } |
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73 } |
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74 |
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75 n = sendfile(c->fd, vec->elts, vec->nelts, &sent); |
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76 |
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77 if (n == -1) { |
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78 err = ngx_errno; |
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79 |
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80 if (err == NGX_EINTR) { |
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81 eintr = 1; |
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82 } |
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83 |
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84 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
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85 ngx_log_error(NGX_LOG_INFO, c->log, err, |
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86 "sendfilev() sent only " SIZE_T_FMT " bytes", |
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87 sent); |
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88 } else { |
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89 wev->error = 1; |
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90 ngx_log_error(NGX_LOG_CRIT, c->log, err, "sendfilev() failed"); |
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91 return NGX_CHAIN_ERROR; |
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92 } |
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93 } |
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94 |
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95 #if (NGX_DEBUG_WRITE_CHAIN) |
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96 ngx_log_debug(c->log, "sendfilev: %d " SIZE_T_FMT ", n _ sent); |
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97 #endif |
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98 |
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99 c->sent += sent; |
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100 |
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101 for (cl = in; cl; cl = cl->next) { |
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102 |
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103 if (ngx_hunk_special(cl->hunk)) { |
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104 continue; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
105 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
106 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 if (sent == 0) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 break; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 size = ngx_hunk_size(cl->hunk); |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 if (sent >= size) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 sent -= size; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 cl->hunk->pos = cl->hunk->last; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 if (cl->hunk->type & NGX_HUNK_FILE) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 cl->hunk->file_pos = cl->hunk->file_last; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 continue; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 cl->hunk->pos += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 if (cl->hunk->type & NGX_HUNK_FILE) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 cl->hunk->file_pos += sent; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 break; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 in = cl; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 } while (eintr); |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 if (in) { |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 wev->ready = 0; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 return in; |
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 } |