Mercurial > hg > nginx

annotate src/core/ngx_output_chain.c @ 4412:d620f497c50f

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Copyright updated.
author Maxim Konovalov <maxim@nginx.com>
date Wed, 18 Jan 2012 15:07:43 +0000
parents 5db098f97e0e
children bcdfc39bf44d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2 /*
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_event.h>
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12
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13 #if 0
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14 #define NGX_SENDFILE_LIMIT 4096
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15 #endif
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16
2316
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17 /*
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18 * When DIRECTIO is enabled FreeBSD, Solaris, and MacOSX read directly
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19 * to an application memory from a device if parameters are aligned
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20 * to device sector boundary (512 bytes). They fallback to usual read
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21 * operation if the parameters are not aligned.
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22 * Linux allows DIRECTIO only if the parameters are aligned to a filesystem
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23 * sector boundary, otherwise it returns EINVAL. The sector size is
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24 * usually 512 bytes, however, on XFS it may be 4096 bytes.
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25 */
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26
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27 #define NGX_NONE 1
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29
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30 static ngx_inline ngx_int_t
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31 ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf);
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32 static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool,
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33 ngx_chain_t **chain, ngx_chain_t *in);
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34 static ngx_int_t ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx,
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35 off_t bsize);
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36 static ngx_int_t ngx_output_chain_get_buf(ngx_output_chain_ctx_t *ctx,
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37 off_t bsize);
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38 static ngx_int_t ngx_output_chain_copy_buf(ngx_output_chain_ctx_t *ctx);
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40
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41 ngx_int_t
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42 ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in)
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43 {
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44 off_t bsize;
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45 ngx_int_t rc, last;
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46 ngx_chain_t *cl, *out, **last_out;
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47
455
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48 if (ctx->in == NULL && ctx->busy == NULL) {
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49
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50 /*
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51 * the short path for the case when the ctx->in and ctx->busy chains
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52 * are empty, the incoming chain is empty too or has the single buf
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53 * that does not require the copy
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54 */
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55
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56 if (in == NULL) {
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57 return ctx->output_filter(ctx->filter_ctx, in);
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58 }
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59
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60 if (in->next == NULL
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61 #if (NGX_SENDFILE_LIMIT)
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62 && !(in->buf->in_file && in->buf->file_last > NGX_SENDFILE_LIMIT)
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63 #endif
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64 && ngx_output_chain_as_is(ctx, in->buf))
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65 {
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66 return ctx->output_filter(ctx->filter_ctx, in);
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67 }
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68 }
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69
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70 /* add the incoming buf to the chain ctx->in */
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71
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72 if (in) {
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73 if (ngx_output_chain_add_copy(ctx->pool, &ctx->in, in) == NGX_ERROR) {
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74 return NGX_ERROR;
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75 }
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76 }
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77
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78 out = NULL;
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79 last_out = &out;
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80 last = NGX_NONE;
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81
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82 for ( ;; ) {
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83
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84 #if (NGX_HAVE_FILE_AIO)
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85 if (ctx->aio) {
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86 return NGX_AGAIN;
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87 }
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88 #endif
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89
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90 while (ctx->in) {
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91
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92 /*
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93 * cycle while there are the ctx->in bufs
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94 * and there are the free output bufs to copy in
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95 */
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96
403
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97 bsize = ngx_buf_size(ctx->in->buf);
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98
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99 if (bsize == 0 && !ngx_buf_special(ctx->in->buf)) {
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100
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101 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
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102 "zero size buf in output "
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103 "t:%d r:%d f:%d %p %p-%p %p %O-%O",
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104 ctx->in->buf->temporary,
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105 ctx->in->buf->recycled,
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106 ctx->in->buf->in_file,
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107 ctx->in->buf->start,
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108 ctx->in->buf->pos,
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109 ctx->in->buf->last,
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110 ctx->in->buf->file,
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111 ctx->in->buf->file_pos,
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112 ctx->in->buf->file_last);
403
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113
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114 ngx_debug_point();
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115
403
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116 ctx->in = ctx->in->next;
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117
403
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118 continue;
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119 }
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120
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121 if (ngx_output_chain_as_is(ctx, ctx->in->buf)) {
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122
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123 /* move the chain link to the output chain */
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124
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diff changeset
125 cl = ctx->in;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 ctx->in = cl->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 *last_out = cl;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 last_out = &cl->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 cl->next = NULL;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 continue;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
135 if (ctx->buf == NULL) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
137 rc = ngx_output_chain_align_file_buf(ctx, bsize);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
138
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
139 if (rc == NGX_ERROR) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
140 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
141 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
142
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
143 if (rc != NGX_OK) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
144
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
145 if (ctx->free) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
146
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
147 /* get the free buf */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
149 cl = ctx->free;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
150 ctx->buf = cl->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
151 ctx->free = cl->next;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
152
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
153 ngx_free_chain(ctx->pool, cl);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
155 } else if (out || ctx->allocated == ctx->bufs.num) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
156
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
157 break;
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 320
diff changeset
158
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
159 } else if (ngx_output_chain_get_buf(ctx, bsize) != NGX_OK) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
160 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
161 }
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
165 rc = ngx_output_chain_copy_buf(ctx);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 if (rc == NGX_ERROR) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 return rc;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 if (rc == NGX_AGAIN) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 if (out) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 break;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 }
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 408
diff changeset
175
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 return rc;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
179 /* delete the completed buf from the ctx->in chain */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
181 if (ngx_buf_size(ctx->in->buf) == 0) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 ctx->in = ctx->in->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
185 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
186 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
187 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
188 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
189
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
190 cl->buf = ctx->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
191 cl->next = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 *last_out = cl;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 last_out = &cl->next;
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
194 ctx->buf = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 if (out == NULL && last != NGX_NONE) {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
198
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
199 if (ctx->in) {
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
200 return NGX_AGAIN;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
201 }
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
202
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 return last;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 291
diff changeset
206 last = ctx->output_filter(ctx->filter_ctx, out);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207
569
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
208 if (last == NGX_ERROR || last == NGX_DONE) {
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
209 return last;
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
210 }
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
211
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3776
diff changeset
212 ngx_chain_update_chains(ctx->pool, &ctx->free, &ctx->busy, &out,
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3776
diff changeset
213 ctx->tag);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 last_out = &out;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
467
bbd6b0b4a2b1 nginx-0.1.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
219 static ngx_inline ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
220 ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
222 ngx_uint_t sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
223
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
224 if (ngx_buf_special(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
225 return 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
226 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
227
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
228 if (buf->in_file && buf->file->directio) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 return 0;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
232 sendfile = ctx->sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
233
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
234 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
235
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
236 if (buf->in_file && buf->file_pos >= NGX_SENDFILE_LIMIT) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
237 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
238 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
239
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
240 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
241
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
242 if (!sendfile) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
243
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
244 if (!ngx_buf_in_memory(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
245 return 0;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
246 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
247
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
248 buf->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
251 if (ctx->need_in_memory && !ngx_buf_in_memory(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
252 return 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
255 if (ctx->need_in_temp && (buf->memory || buf->mmap)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
256 return 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
259 return 1;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
263 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
264 ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
265 ngx_chain_t *in)
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
266 {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
267 ngx_chain_t *cl, **ll;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
268 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
269 ngx_buf_t *b, *buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
270 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
271
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
272 ll = chain;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
273
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
274 for (cl = *chain; cl; cl = cl->next) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
275 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
276 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
277
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
278 while (in) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
279
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
280 cl = ngx_alloc_chain_link(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
281 if (cl == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
282 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
283 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
284
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
285 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
286
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
287 buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
288
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
289 if (buf->in_file
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
290 && buf->file_pos < NGX_SENDFILE_LIMIT
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
291 && buf->file_last > NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
292 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
293 /* split a file buf on two bufs by the sendfile limit */
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
294
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
295 b = ngx_calloc_buf(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
296 if (b == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
297 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
298 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
299
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
300 ngx_memcpy(b, buf, sizeof(ngx_buf_t));
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
301
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
302 if (ngx_buf_in_memory(buf)) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
303 buf->pos += (ssize_t) (NGX_SENDFILE_LIMIT - buf->file_pos);
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
304 b->last = buf->pos;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
305 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
306
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
307 buf->file_pos = NGX_SENDFILE_LIMIT;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
308 b->file_last = NGX_SENDFILE_LIMIT;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
309
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
310 cl->buf = b;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
311
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
312 } else {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
313 cl->buf = buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
314 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
315 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
316
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
317 #else
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
318 cl->buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
319 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
320
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
321 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
322
2910
dc01b26f8de8 leave chain in consistent state on errors
Igor Sysoev <igor@sysoev.ru>
parents: 2899
diff changeset
323 cl->next = NULL;
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
324 *ll = cl;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
325 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
326 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
327
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
328 return NGX_OK;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
329 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
330
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
331
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
332 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
333 ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx, off_t bsize)
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
334 {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
335 size_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
336 ngx_buf_t *in;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
337
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
338 in = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
339
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
340 if (in->file == NULL || !in->file->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
341 return NGX_DECLINED;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
342 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
343
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
344 ctx->directio = 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
345
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
346 size = (size_t) (in->file_pos - (in->file_pos & ~(ctx->alignment - 1)));
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
347
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
348 if (size == 0) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
349
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
350 if (bsize >= (off_t) ctx->bufs.size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
351 return NGX_DECLINED;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
352 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
353
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
354 size = (size_t) bsize;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
355
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
356 } else {
3057
5ea5a90000d5 fix build by msvc, introduced in r3054
Igor Sysoev <igor@sysoev.ru>
parents: 3053
diff changeset
357 size = (size_t) ctx->alignment - size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
358
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
359 if ((off_t) size > bsize) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
360 size = (size_t) bsize;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
361 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
362 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
363
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
364 ctx->buf = ngx_create_temp_buf(ctx->pool, size);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
365 if (ctx->buf == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
366 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
367 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
368
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
369 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
370 * we do not set ctx->buf->tag, because we do not want
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
371 * to reuse the buf via ctx->free list
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
372 */
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
373
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
374 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
375 ctx->unaligned = 1;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
376 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
377
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
378 return NGX_OK;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
379 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
380
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
381
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
382 static ngx_int_t
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
383 ngx_output_chain_get_buf(ngx_output_chain_ctx_t *ctx, off_t bsize)
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
384 {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
385 size_t size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
386 ngx_buf_t *b, *in;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
387 ngx_uint_t recycled;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
388
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
389 in = ctx->in->buf;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
390 size = ctx->bufs.size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
391 recycled = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
392
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
393 if (in->last_in_chain) {
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
394
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
395 if (bsize < (off_t) size) {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
396
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
397 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
398 * allocate a small temp buf for a small last buf
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
399 * or its small last part
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
400 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
401
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
402 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
403 recycled = 0;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
404
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
405 } else if (!ctx->directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
406 && ctx->bufs.num == 1
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
407 && (bsize < (off_t) (size + size / 4)))
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
408 {
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
409 /*
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
410 * allocate a temp buf that equals to a last buf,
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
411 * if there is no directio, the last buf size is lesser
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
412 * than 1.25 of bufs.size and the temp buf is single
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
413 */
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
414
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
415 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
416 recycled = 0;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
417 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
418 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
419
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
420 b = ngx_calloc_buf(ctx->pool);
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
421 if (b == NULL) {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
422 return NGX_ERROR;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
423 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
424
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
425 if (ctx->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
426
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
427 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
428 * allocate block aligned to a disk sector size to enable
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
429 * userland buffer direct usage conjunctly with directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
430 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
431
3057
5ea5a90000d5 fix build by msvc, introduced in r3054
Igor Sysoev <igor@sysoev.ru>
parents: 3053
diff changeset
432 b->start = ngx_pmemalign(ctx->pool, size, (size_t) ctx->alignment);
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
433 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
434 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
435 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
436
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
437 } else {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
438 b->start = ngx_palloc(ctx->pool, size);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
439 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
440 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
441 }
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
442 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
443
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
444 b->pos = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
445 b->last = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
446 b->end = b->last + size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
447 b->temporary = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
448 b->tag = ctx->tag;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
449 b->recycled = recycled;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
450
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
451 ctx->buf = b;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
452 ctx->allocated++;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
453
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
454 return NGX_OK;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
455 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
456
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
457
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
458 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
459 ngx_output_chain_copy_buf(ngx_output_chain_ctx_t *ctx)
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
461 off_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
462 ssize_t n;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
463 ngx_buf_t *src, *dst;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
464 ngx_uint_t sendfile;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
465
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
466 src = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
467 dst = ctx->buf;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
468
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
469 size = ngx_buf_size(src);
3515
76d252724db5 use ngx_min() and ngx_max()
Igor Sysoev <igor@sysoev.ru>
parents: 3164
diff changeset
470 size = ngx_min(size, dst->end - dst->pos);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
471
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
472 sendfile = ctx->sendfile & !ctx->directio;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
473
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
474 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
475
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
476 if (src->in_file && src->file_pos >= NGX_SENDFILE_LIMIT) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
477 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
478 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
479
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
480 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
481
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
482 if (ngx_buf_in_memory(src)) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
483 ngx_memcpy(dst->pos, src->pos, (size_t) size);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
484 src->pos += (size_t) size;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
485 dst->last += (size_t) size;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
486
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
487 if (src->in_file) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
488
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
489 if (sendfile) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
490 dst->in_file = 1;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
491 dst->file = src->file;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
492 dst->file_pos = src->file_pos;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
493 dst->file_last = src->file_pos + size;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
494
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
495 } else {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
496 dst->in_file = 0;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
497 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
498
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499 src->file_pos += size;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
500
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
501 } else {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
502 dst->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
504
1227
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
505 if (src->pos == src->last) {
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
506 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
507 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
508 dst->last_in_chain = src->last_in_chain;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
509 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
510
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
511 } else {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
512
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
513 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
514
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
515 if (ctx->unaligned) {
3164
b1b1775698d5 uniform ngx_directio_on/off() interface with other file functions
Igor Sysoev <igor@sysoev.ru>
parents: 3147
diff changeset
516 if (ngx_directio_off(src->file->fd) == NGX_FILE_ERROR) {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
517 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, ngx_errno,
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
518 ngx_directio_off_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
519 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
520 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
521 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
522
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
523 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
524
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
525 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
526
3119
4c90c9129a82 fix case when the output filter should add incoming buffers
Igor Sysoev <igor@sysoev.ru>
parents: 3057
diff changeset
527 if (ctx->aio_handler) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
528 n = ngx_file_aio_read(src->file, dst->pos, (size_t) size,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
529 src->file_pos, ctx->pool);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
530 if (n == NGX_AGAIN) {
3119
4c90c9129a82 fix case when the output filter should add incoming buffers
Igor Sysoev <igor@sysoev.ru>
parents: 3057
diff changeset
531 ctx->aio_handler(ctx, src->file);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
532 return NGX_AGAIN;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
533 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
534
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
535 } else {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
536 n = ngx_read_file(src->file, dst->pos, (size_t) size,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
537 src->file_pos);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
538 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
539 #else
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
540
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
541 n = ngx_read_file(src->file, dst->pos, (size_t) size, src->file_pos);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
542
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
543 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
544
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
545 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
546
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
547 if (ctx->unaligned) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
548 ngx_err_t err;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
549
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
550 err = ngx_errno;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
551
3164
b1b1775698d5 uniform ngx_directio_on/off() interface with other file functions
Igor Sysoev <igor@sysoev.ru>
parents: 3147
diff changeset
552 if (ngx_directio_on(src->file->fd) == NGX_FILE_ERROR) {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
553 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, ngx_errno,
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
554 ngx_directio_on_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
555 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
556 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
557
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
558 ngx_set_errno(err);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
559
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
560 ctx->unaligned = 0;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
561 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
562
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
563 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
564
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
565 if (n == NGX_ERROR) {
517
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
566 return (ngx_int_t) n;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
567 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
568
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
569 if (n != size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
570 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
2245
8a98616abb73 add filename to the log message
Igor Sysoev <igor@sysoev.ru>
parents: 2240
diff changeset
571 ngx_read_file_n " read only %z of %O from \"%s\"",
8a98616abb73 add filename to the log message
Igor Sysoev <igor@sysoev.ru>
parents: 2240
diff changeset
572 n, size, src->file->name.data);
3147
cbb1add4a6fe fail if file size was changed
Igor Sysoev <igor@sysoev.ru>
parents: 3119
diff changeset
573 return NGX_ERROR;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
574 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
575
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
576 dst->last += n;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
577
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
578 if (sendfile) {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
579 dst->in_file = 1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
580 dst->file = src->file;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
581 dst->file_pos = src->file_pos;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
582 dst->file_last = src->file_pos + n;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
583
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
584 } else {
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 334
diff changeset
585 dst->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
586 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
587
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
588 src->file_pos += n;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
589
1238
bb03410441d9 fix bug introduced in r1228
Igor Sysoev <igor@sysoev.ru>
parents: 1227
diff changeset
590 if (src->file_pos == src->file_last) {
1227
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
591 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
592 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
593 dst->last_in_chain = src->last_in_chain;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
594 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
595 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
596
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
597 return NGX_OK;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
598 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
599
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
600
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
601 ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
602 ngx_chain_writer(void *data, ngx_chain_t *in)
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
603 {
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
604 ngx_chain_writer_ctx_t *ctx = data;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
605
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
606 off_t size;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
607 ngx_chain_t *cl;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
608 ngx_connection_t *c;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
609
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
610 c = ctx->connection;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
611
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
612 for (size = 0; in; in = in->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
613
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
614 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
615 if (ngx_buf_size(in->buf) == 0 && !ngx_buf_special(in->buf)) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
616 ngx_debug_point();
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
617 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
618 #endif
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
619
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
620 size += ngx_buf_size(in->buf);
408
d6e2b445c1b8 nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 403
diff changeset
621
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
622 ngx_log_debug2(NGX_LOG_DEBUG_CORE, c->log, 0,
1226
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
623 "chain writer buf fl:%d s:%uO",
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
624 in->buf->flush, ngx_buf_size(in->buf));
408
d6e2b445c1b8 nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 403
diff changeset
625
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
626 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
627 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
628 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
629 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
630
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
631 cl->buf = in->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
632 cl->next = NULL;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
633 *ctx->last = cl;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
634 ctx->last = &cl->next;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
635 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
636
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
637 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
638 "chain writer in: %p", ctx->out);
291
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
639
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
640 for (cl = ctx->out; cl; cl = cl->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
641
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
642 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
643 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
644 ngx_debug_point();
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
645 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
646
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
647 #endif
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
648
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
649 size += ngx_buf_size(cl->buf);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
650 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
651
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
652 if (size == 0 && !c->buffered) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
653 return NGX_OK;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
654 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
655
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
656 ctx->out = c->send_chain(c, ctx->out, ctx->limit);
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
657
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
658 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
659 "chain writer out: %p", ctx->out);
291
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
660
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
661 if (ctx->out == NGX_CHAIN_ERROR) {
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
662 return NGX_ERROR;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
663 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
664
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
665 if (ctx->out == NULL) {
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
666 ctx->last = &ctx->out;
1211
9177da9e4add fix "proxy_pass https://"
Igor Sysoev <igor@sysoev.ru>
parents: 828
diff changeset
667
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
668 if (!c->buffered) {
1215
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
669 return NGX_OK;
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
670 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
671 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
672
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
673 return NGX_AGAIN;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
674 }