Mercurial > hg > nginx

annotate src/core/ngx_output_chain.c @ 3053:0d253659da12

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directio_alignment
author Igor Sysoev <igor@sysoev.ru>
date Fri, 28 Aug 2009 08:15:55 +0000
parents 6060225e9261
children 5ea5a90000d5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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11
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12 #if 0
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13 #define NGX_SENDFILE_LIMIT 4096
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14 #endif
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15
2316
402797ed988a allow directio on XFS
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16 /*
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17 * When DIRECTIO is enabled FreeBSD, Solaris, and MacOSX read directly
402797ed988a allow directio on XFS
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18 * to an application memory from a device if parameters are aligned
3053
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19 * to device sector boundary (512 bytes). They fallback to usual read
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20 * operation if the parameters are not aligned.
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21 * Linux allows DIRECTIO only if the parameters are aligned to a filesystem
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22 * sector boundary, otherwise it returns EINVAL. The sector size is
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23 * usually 512 bytes, however, on XFS it may be 4096 bytes.
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24 */
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26 #define NGX_NONE 1
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28
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29 static ngx_inline ngx_int_t
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30 ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf);
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31 static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool,
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32 ngx_chain_t **chain, ngx_chain_t *in);
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33 static ngx_int_t ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx,
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34 off_t bsize);
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35 static ngx_int_t ngx_output_chain_get_buf(ngx_output_chain_ctx_t *ctx,
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36 off_t bsize);
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37 static ngx_int_t ngx_output_chain_copy_buf(ngx_output_chain_ctx_t *ctx);
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38
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39
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40 ngx_int_t
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41 ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in)
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42 {
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43 off_t bsize;
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44 ngx_int_t rc, last;
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45 ngx_chain_t *cl, *out, **last_out;
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46
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47 if (ctx->in == NULL && ctx->busy == NULL) {
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48
469
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49 /*
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50 * the short path for the case when the ctx->in and ctx->busy chains
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51 * are empty, the incoming chain is empty too or has the single buf
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52 * that does not require the copy
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53 */
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54
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55 if (in == NULL) {
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56 return ctx->output_filter(ctx->filter_ctx, in);
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57 }
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58
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59 if (in->next == NULL
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60 #if (NGX_SENDFILE_LIMIT)
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61 && !(in->buf->in_file && in->buf->file_last > NGX_SENDFILE_LIMIT)
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62 #endif
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63 && ngx_output_chain_as_is(ctx, in->buf))
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64 {
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65 return ctx->output_filter(ctx->filter_ctx, in);
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66 }
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67 }
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68
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69 /* add the incoming buf to the chain ctx->in */
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70
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71 if (in) {
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72 if (ngx_output_chain_add_copy(ctx->pool, &ctx->in, in) == NGX_ERROR) {
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73 return NGX_ERROR;
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74 }
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75 }
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76
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77 out = NULL;
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78 last_out = &out;
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79 last = NGX_NONE;
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80
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81 for ( ;; ) {
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82
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83 while (ctx->in) {
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84
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85 /*
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86 * cycle while there are the ctx->in bufs
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87 * and there are the free output bufs to copy in
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88 */
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89
403
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90 bsize = ngx_buf_size(ctx->in->buf);
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91
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92 if (bsize == 0 && !ngx_buf_special(ctx->in->buf)) {
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93
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94 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
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95 "zero size buf in output "
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96 "t:%d r:%d f:%d %p %p-%p %p %O-%O",
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97 ctx->in->buf->temporary,
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98 ctx->in->buf->recycled,
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99 ctx->in->buf->in_file,
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100 ctx->in->buf->start,
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101 ctx->in->buf->pos,
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102 ctx->in->buf->last,
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103 ctx->in->buf->file,
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104 ctx->in->buf->file_pos,
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105 ctx->in->buf->file_last);
403
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106
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107 ngx_debug_point();
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108
403
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109 ctx->in = ctx->in->next;
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110
403
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111 continue;
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112 }
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113
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114 if (ngx_output_chain_as_is(ctx, ctx->in->buf)) {
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115
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116 /* move the chain link to the output chain */
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117
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118 cl = ctx->in;
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119 ctx->in = cl->next;
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120
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121 *last_out = cl;
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122 last_out = &cl->next;
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123 cl->next = NULL;
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diff changeset
124
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 continue;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
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
128 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
129
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
130 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
131
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
132 if (rc == NGX_ERROR) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
133 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
134 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
135
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
136 if (rc != NGX_OK) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
137
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
138 if (ctx->free) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
139
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
140 /* 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
141
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
142 cl = ctx->free;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
143 ctx->buf = cl->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
144 ctx->free = cl->next;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
145
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
146 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
147
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
148 } else if (out || ctx->allocated == ctx->bufs.num) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
149
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
150 break;
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 320
diff changeset
151
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
152 } 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
153 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
154 }
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
158 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
159
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 if (rc == NGX_ERROR) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 return rc;
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 if (rc == NGX_AGAIN) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 if (out) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 break;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 }
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 408
diff changeset
168
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 return rc;
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
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
172 /* 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
173
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
174 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
175 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
176 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
178 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
179 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
180 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
181 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
182
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
183 cl->buf = ctx->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
184 cl->next = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 *last_out = cl;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 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
187 ctx->buf = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 if (out == NULL && last != NGX_NONE) {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
191
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
192 if (ctx->in) {
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
193 return NGX_AGAIN;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
194 }
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
195
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 return last;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 291
diff changeset
199 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
200
569
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
201 if (last == NGX_ERROR || last == NGX_DONE) {
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
202 return last;
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
203 }
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
204
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, ctx->tag);
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 last_out = &out;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210
467
bbd6b0b4a2b1 nginx-0.1.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
211 static ngx_inline ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
212 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
213 {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
214 ngx_uint_t sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
215
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
216 if (ngx_buf_special(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
217 return 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
218 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
219
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
220 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
221 return 0;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
224 sendfile = ctx->sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
225
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
226 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
227
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
228 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
229 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
230 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
231
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
232 #endif
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 (!sendfile) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
235
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
236 if (!ngx_buf_in_memory(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
237 return 0;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
238 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
239
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
240 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
241 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
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
243 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
244 return 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
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
247 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
248 return 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
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
251 return 1;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 }
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
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
255 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
256 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
257 ngx_chain_t *in)
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
258 {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
259 ngx_chain_t *cl, **ll;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
260 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
261 ngx_buf_t *b, *buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
262 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
263
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
264 ll = chain;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
265
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
266 for (cl = *chain; cl; cl = cl->next) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
267 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
268 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
269
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
270 while (in) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
271
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
272 cl = ngx_alloc_chain_link(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
273 if (cl == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
274 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
275 }
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 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
278
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
279 buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
280
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
281 if (buf->in_file
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
282 && buf->file_pos < NGX_SENDFILE_LIMIT
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
283 && buf->file_last > NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
284 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
285 /* 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
286
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
287 b = ngx_calloc_buf(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
288 if (b == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
289 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
290 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
291
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
292 ngx_memcpy(b, buf, sizeof(ngx_buf_t));
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
293
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
294 if (ngx_buf_in_memory(buf)) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
295 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
296 b->last = buf->pos;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
297 }
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 buf->file_pos = NGX_SENDFILE_LIMIT;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
300 b->file_last = NGX_SENDFILE_LIMIT;
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 cl->buf = b;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
303
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
304 } else {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
305 cl->buf = buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
306 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
307 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
308
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
309 #else
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
310 cl->buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
311 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
312
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
313 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
314
2910
dc01b26f8de8 leave chain in consistent state on errors
Igor Sysoev <igor@sysoev.ru>
parents: 2899
diff changeset
315 cl->next = NULL;
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
316 *ll = cl;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
317 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
318 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
319
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
320 return NGX_OK;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
321 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
322
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
323
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
324 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
325 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
326 {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
327 size_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
328 ngx_buf_t *in;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
329
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
330 in = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
331
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
332 if (in->file == NULL || !in->file->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
333 return NGX_DECLINED;
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
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
336 ctx->directio = 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
337
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
338 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
339
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
340 if (size == 0) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
341
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
342 if (bsize >= (off_t) ctx->bufs.size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
343 return NGX_DECLINED;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
344 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
345
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
346 size = (size_t) bsize;
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 } else {
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
349 size = ctx->alignment - size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
350
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
351 if ((off_t) size > bsize) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
352 size = (size_t) bsize;
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 }
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 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
357 if (ctx->buf == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
358 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
359 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
360
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 * 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
363 * to reuse the buf via ctx->free list
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
364 */
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
365
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
366 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
367 ctx->unaligned = 1;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
368 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
369
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
370 return NGX_OK;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
371 }
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
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
374 static ngx_int_t
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
375 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
376 {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
377 size_t size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
378 ngx_buf_t *b, *in;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
379 ngx_uint_t recycled;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
380
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
381 in = ctx->in->buf;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
382 size = ctx->bufs.size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
383 recycled = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
384
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
385 if (in->last_in_chain) {
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
386
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
387 if (bsize < (off_t) size) {
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 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
390 * 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
391 * or its small last part
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
392 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
393
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
394 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
395 recycled = 0;
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 } else if (!ctx->directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
398 && ctx->bufs.num == 1
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
399 && (bsize < (off_t) (size + size / 4)))
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 /*
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
402 * 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
403 * 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
404 * 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
405 */
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
406
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
407 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
408 recycled = 0;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
409 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
410 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
411
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
412 b = ngx_calloc_buf(ctx->pool);
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
413 if (b == NULL) {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
414 return NGX_ERROR;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
415 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
416
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
417 if (ctx->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
418
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
419 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
420 * 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
421 * userland buffer direct usage conjunctly with directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
422 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
423
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
424 b->start = ngx_pmemalign(ctx->pool, size, ctx->alignment);
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
425 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
426 return NGX_ERROR;
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
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
429 } else {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
430 b->start = ngx_palloc(ctx->pool, size);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
431 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
432 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
433 }
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
434 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
435
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
436 b->pos = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
437 b->last = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
438 b->end = b->last + size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
439 b->temporary = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
440 b->tag = ctx->tag;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
441 b->recycled = recycled;
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 ctx->buf = b;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
444 ctx->allocated++;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
445
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
446 return NGX_OK;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
447 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
448
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
449
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
450 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
451 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
452 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
453 off_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
454 ssize_t n;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
455 ngx_buf_t *src, *dst;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
456 ngx_uint_t sendfile;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
457
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
458 src = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
459 dst = ctx->buf;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460
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
461 size = ngx_buf_size(src);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
463 if (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
464 size = dst->end - dst->pos;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
465 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
466
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
467 sendfile = ctx->sendfile & !ctx->directio;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
468
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
469 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
470
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
471 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
472 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
473 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
474
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
475 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
476
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
477 if (ngx_buf_in_memory(src)) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
478 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
479 src->pos += (size_t) size;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
480 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
481
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
482 if (src->in_file) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
483
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
484 if (sendfile) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
485 dst->in_file = 1;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
486 dst->file = src->file;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
487 dst->file_pos = src->file_pos;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
488 dst->file_last = src->file_pos + size;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
489
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
490 } else {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
491 dst->in_file = 0;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
492 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
493
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
494 src->file_pos += size;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
495
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
496 } else {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
497 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
498 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499
1227
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
500 if (src->pos == src->last) {
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
501 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
502 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
503 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
504 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
505
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
506 } else {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
507
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
508 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
509
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
510 if (ctx->unaligned) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
511 if (ngx_directio_off(src->file->fd) == -1) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
512 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
513 ngx_directio_off_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
514 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
515 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
516 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
517
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
518 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
519
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
520 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
521
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
522 if (ctx->aio) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
523 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
524 src->file_pos, ctx->pool);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
525 if (n == NGX_AGAIN) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
526 ctx->aio(ctx, src->file);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
527 return NGX_AGAIN;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
528 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
529
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
530 } else {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
531 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
532 src->file_pos);
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 #else
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
535
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
536 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
537
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
538 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
539
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
540 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
541
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
542 if (ctx->unaligned) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
543 ngx_err_t err;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
544
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
545 err = ngx_errno;
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 (ngx_directio_on(src->file->fd) == -1) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
548 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
549 ngx_directio_on_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
550 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
551 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
552
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
553 ngx_set_errno(err);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
554
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
555 ctx->unaligned = 0;
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 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
559
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
560 if (n == NGX_ERROR) {
517
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
561 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
562 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
563
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
564 if (n != size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
565 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
566 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
567 n, size, src->file->name.data);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
568 if (n == 0) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
569 return NGX_ERROR;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
570 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
571 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
572
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
573 dst->last += n;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
574
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
575 if (sendfile) {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
576 dst->in_file = 1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
577 dst->file = src->file;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
578 dst->file_pos = src->file_pos;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
579 dst->file_last = src->file_pos + n;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
580
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
581 } 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
582 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
583 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
584
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
585 src->file_pos += n;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
586
1238
bb03410441d9 fix bug introduced in r1228
Igor Sysoev <igor@sysoev.ru>
parents: 1227
diff changeset
587 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
588 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
589 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
590 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
591 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
592 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
593
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
594 return NGX_OK;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
595 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
596
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
597
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
598 ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
599 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
600 {
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
601 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
602
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
603 off_t size;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
604 ngx_chain_t *cl;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
605 ngx_connection_t *c;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
606
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
607 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
608
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
609 for (size = 0; in; in = in->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
610
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
611 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
612 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
613 ngx_debug_point();
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
614 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
615 #endif
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
616
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
617 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
618
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
619 ngx_log_debug2(NGX_LOG_DEBUG_CORE, c->log, 0,
1226
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
620 "chain writer buf fl:%d s:%uO",
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
621 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
622
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
623 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
624 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
625 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
626 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
627
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
628 cl->buf = in->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
629 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
630 *ctx->last = cl;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
631 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
632 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
633
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
634 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
635 "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
636
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
637 for (cl = ctx->out; cl; cl = cl->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
638
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
639 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
640 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
641 ngx_debug_point();
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
642 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
643
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
644 #endif
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 size += ngx_buf_size(cl->buf);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
647 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
648
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
649 if (size == 0 && !c->buffered) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
650 return NGX_OK;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
651 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
652
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
653 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
654
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
655 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
656 "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
657
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
658 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
659 return NGX_ERROR;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
660 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
661
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
662 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
663 ctx->last = &ctx->out;
1211
9177da9e4add fix "proxy_pass https://"
Igor Sysoev <igor@sysoev.ru>
parents: 828
diff changeset
664
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
665 if (!c->buffered) {
1215
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
666 return NGX_OK;
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
667 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
668 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
669
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
670 return NGX_AGAIN;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
671 }