annotate src/http/ngx_http_output_filter.c @ 142:cb77c084acdb

nginx-0.0.1-2003-10-09-11:00:45 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 09 Oct 2003 07:00:45 +0000
parents 656d468f4ead
children 5526213be452
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1
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b2e039840718 nginx-0.0.1-2002-12-19-20:49:51 import
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2 #include <ngx_config.h>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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3 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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4 #include <ngx_http.h>
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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7 typedef struct {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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8 ngx_bufs_t bufs;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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9 } ngx_http_output_filter_conf_t;
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11
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12 typedef struct {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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14 /*
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15 * NOTE: we do not need now to store hunk in ctx,
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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16 * it's needed for the future NGX_FILE_AIO_READ support only
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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17 */
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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18
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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19 ngx_hunk_t *hunk;
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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21 ngx_chain_t *in;
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22 ngx_chain_t *out;
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23 ngx_chain_t **last_out;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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24 ngx_chain_t *free;
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25 ngx_chain_t *busy;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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27 int hunks;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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28 } ngx_http_output_filter_ctx_t;
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
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31 static int ngx_http_output_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src);
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32 static void *ngx_http_output_filter_create_conf(ngx_conf_t *cf);
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
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33 static char *ngx_http_output_filter_merge_conf(ngx_conf_t *cf,
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0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
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34 void *parent, void *child);
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
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37 static ngx_command_t ngx_http_output_filter_commands[] = {
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39 {ngx_string("output_buffers"),
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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40 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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41 ngx_conf_set_bufs_slot,
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0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
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42 NGX_HTTP_LOC_CONF_OFFSET,
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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43 offsetof(ngx_http_output_filter_conf_t, bufs),
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a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
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44 NULL},
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
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45
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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46 ngx_null_command
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47 };
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
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50 static ngx_http_module_t ngx_http_output_filter_module_ctx = {
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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51 NULL, /* create main configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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52 NULL, /* init main configuration */
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54 NULL, /* create server configuration */
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55 NULL, /* merge server configuration */
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56
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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57 ngx_http_output_filter_create_conf, /* create location configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
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58 ngx_http_output_filter_merge_conf /* merge location configuration */
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53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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59 };
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
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62 ngx_module_t ngx_http_output_filter_module = {
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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63 NGX_MODULE,
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37530da31268 nginx-0.0.1-2003-05-16-19:27:48 import
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64 &ngx_http_output_filter_module_ctx, /* module context */
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65 ngx_http_output_filter_commands, /* module directives */
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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66 NGX_HTTP_MODULE, /* module type */
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67 NULL, /* init module */
571bcbff82c5 nginx-0.0.1-2003-07-11-08:50:59 import
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68 NULL /* init child */
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69 };
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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72 #define ngx_next_filter (*ngx_http_top_body_filter)
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74 #define need_to_copy(r, hunk) \
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cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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75 (!ngx_hunk_special(hunk) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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76 && (((r->filter & NGX_HTTP_FILTER_NEED_IN_MEMORY) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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77 && (hunk->type & NGX_HUNK_IN_MEMORY) == 0) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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78 || ((r->filter & NGX_HTTP_FILTER_NEED_TEMP) \
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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79 && (hunk->type & (NGX_HUNK_MEMORY|NGX_HUNK_MMAP)))))
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80
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83 int ngx_http_output_filter(ngx_http_request_t *r, ngx_hunk_t *hunk)
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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84 {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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85 int rc, last;
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7db96f59bc29 nginx-0.0.1-2003-06-12-09:54:39 import
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86 ssize_t size;
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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87 ngx_chain_t out, *ce, **le;
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88 ngx_http_output_filter_ctx_t *ctx;
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89 ngx_http_output_filter_conf_t *conf;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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90
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91 ctx = ngx_http_get_module_ctx(r->main ? r->main : r,
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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92 ngx_http_output_filter_module);
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93
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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94 if (ctx == NULL) {
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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95 ngx_http_create_ctx(r, ctx, ngx_http_output_filter_module,
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
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96 sizeof(ngx_http_output_filter_ctx_t), NGX_ERROR);
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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97 ctx->last_out = &ctx->out;
60
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98 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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99
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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100 /*
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
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101 * the short path for the case when the chain ctx->in is empty
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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102 * and there's no hunk or the hunk does not require the copy
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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103 */
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104
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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105 if (ctx->in == NULL) {
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106
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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107 if (hunk == NULL) {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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108 return ngx_next_filter(r, NULL);
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109 }
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110
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
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111 if (!need_to_copy(r, hunk)) {
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656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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112 out.hunk = hunk;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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113 out.next = NULL;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
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114 return ngx_next_filter(r, &out);
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
115 }
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
116 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
117
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
118 /* add the incoming hunk to the chain ctx->in */
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
119
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
120 if (hunk) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
121 le = &ctx->in;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
122
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
123 for (ce = ctx->in; ce; ce = ce->next) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
124 le = &ce->next;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
125 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
126
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
127 ngx_add_hunk_to_chain(ce, hunk, r->pool, NGX_ERROR);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
128 *le = ce;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
129 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
130
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
131 conf = ngx_http_get_module_loc_conf(r->main ? r->main : r,
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
132 ngx_http_output_filter_module);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
133
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
134 last = NGX_NONE;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
135
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
136 for ( ;; ) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
137
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
138 while (ctx->in) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
139
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
140 if (!need_to_copy(r, ctx->in->hunk)) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
141
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
142 /* move the chain entry to the chain ctx->out */
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
143
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
144 ce = ctx->in;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
145 ctx->in = ce->next;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
146
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
147 *ctx->last_out = ce;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
148 ctx->last_out = &ce->next;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
149 ce->next = NULL;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
150
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
151 continue;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
152 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
153
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
154 if (ctx->hunk == NULL) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
155
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
156 /* get the free hunk */
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
157
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
158 if (ctx->free) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
159 ctx->hunk = ctx->free->hunk;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
160 ctx->free = ctx->free->next;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
161
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
162 } else if (ctx->hunks < conf->bufs.num) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
163 ngx_test_null(ctx->hunk,
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
164 ngx_create_temp_hunk(r->pool, conf->bufs.size,
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
165 0, 0),
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
166 NGX_ERROR);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
167 ctx->hunk->type |= NGX_HUNK_RECYCLED;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
168 ctx->hunks++;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
169
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
170 } else {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
171 break;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
172 }
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
173 }
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
174
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
175 rc = ngx_http_output_filter_copy_hunk(ctx->hunk, ctx->in->hunk);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
176
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
177 if (rc == NGX_ERROR) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
178 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
179 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
180
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
181 #if (NGX_FILE_AIO_READ)
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
182 if (rc == NGX_AGAIN) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
183 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
184 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
185 #endif
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
186
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
187 if (ctx->in->hunk->type & NGX_HUNK_IN_MEMORY) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
188 size = ctx->in->hunk->last - ctx->in->hunk->pos;
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
189
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
190 } else {
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
191 size = (size_t) (ctx->in->hunk->file_last
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
192 - ctx->in->hunk->file_pos);
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
193 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
194
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
195 /* delete the completed hunk from the chain ctx->in */
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
196
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
197 if (size == 0) {
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
198 ctx->in = ctx->in->next;
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
199 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
200
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
201 ngx_add_hunk_to_chain(ce, ctx->hunk, r->pool, NGX_ERROR);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
202 *ctx->last_out = ce;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
203 ctx->last_out = &ce->next;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
204 ctx->hunk = NULL;
142
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
205
cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents: 141
diff changeset
206 break;
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
207 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
208
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
209 if (ctx->out == NULL && last != NGX_NONE) {
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
210 return last;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
211 }
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
212
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
213 last = ngx_next_filter(r, ctx->out);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
214
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
215 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out);
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
216 ctx->last_out = &ctx->out;
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
217 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
218 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
219
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
220
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
221 static int ngx_http_output_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src)
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
222 {
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 57
diff changeset
223 ssize_t n, size;
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
224
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
225 if (src->type & NGX_HUNK_IN_MEMORY) {
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
226 size = src->last - src->pos;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
227 } else {
98
c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
228 size = (size_t) (src->file_last - src->file_pos);
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
229 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
230
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
231 if (size > (dst->end - dst->pos)) {
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
232 size = dst->end - dst->pos;
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
233 }
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
235 if (src->type & NGX_HUNK_IN_MEMORY) {
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
236 ngx_memcpy(dst->pos, src->pos, size);
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
237 src->pos += size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
238 dst->last += size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
239
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
240 if (src->type & NGX_HUNK_FILE) {
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
241 src->file_pos += size;
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
242 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
243
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
244 if ((src->type & NGX_HUNK_LAST) && src->pos == src->last) {
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
245 dst->type |= NGX_HUNK_LAST;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
246 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
247
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
248 } else {
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
249 n = ngx_read_file(src->file, dst->pos, size, src->file_pos);
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
250
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
251 if (n == 0) {
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
252 ngx_log_debug(src->file->log, "READ: %qd:%qd %X:%X %X:%X" _
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
253 src->file_pos _ src->file_last _
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
254 dst->pos _ dst->last _ dst->start _ dst->end);
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
255 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
256
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
257 if (n == NGX_ERROR) {
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
258 return n;
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
259 }
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
260
19
d7908993fdeb nginx-0.0.1-2002-12-02-19:09:40 import; resume after 2 months stall
Igor Sysoev <igor@sysoev.ru>
parents: 12
diff changeset
261 #if (NGX_FILE_AIO_READ)
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
262 if (n == NGX_AGAIN) {
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
263 return n;
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
264 }
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
265 #endif
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
267 if (n != size) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
268 ngx_log_error(NGX_LOG_ALERT, src->file->log, 0,
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
269 ngx_read_file_n " reads only %d of %d from file",
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
270 n, size);
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
271 if (n == 0) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
272 return NGX_ERROR;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
273 }
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 }
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
276 src->file_pos += n;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
277 dst->last += n;
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
279 if ((src->type & NGX_HUNK_LAST) && src->file_pos == src->file_last) {
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
280 dst->type |= NGX_HUNK_LAST;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
281 }
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
282 }
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
283
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
284 return NGX_OK;
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
285 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
286
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
287
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
288 static void *ngx_http_output_filter_create_conf(ngx_conf_t *cf)
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
289 {
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
290 ngx_http_output_filter_conf_t *conf;
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
291
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
292 ngx_test_null(conf,
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
293 ngx_palloc(cf->pool, sizeof(ngx_http_output_filter_conf_t)),
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
294 NULL);
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
295
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
296 conf->bufs.num = 0;
10
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
297
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
298 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
299 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
300
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
301
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
302 static char *ngx_http_output_filter_merge_conf(ngx_conf_t *cf,
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
303 void *parent, void *child)
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
304 {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
305 ngx_http_output_filter_conf_t *prev = parent;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
306 ngx_http_output_filter_conf_t *conf = child;
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
307
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 135
diff changeset
308 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 2, 32768);
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
309
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
310 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
311 }