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annotate src/http/ngx_http_output_filter.c @ 135:e29909bd9b8a

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nginx-0.0.1-2003-09-28-23:29:06 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 28 Sep 2003 19:29:06 +0000
parents cd54bcbaf3b5
children 656d468f4ead
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
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b2e039840718 nginx-0.0.1-2002-12-19-20:49:51 import
Igor Sysoev <igor@sysoev.ru>
parents: 32
diff changeset
2 #include <ngx_config.h>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
3 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
4 #include <ngx_http.h>
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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7 typedef struct {
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
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8 ssize_t hunk_size;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
9 } ngx_http_output_filter_conf_t;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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53cd05892261 nginx-0.0.1-2002-12-27-19:22:50 import
Igor Sysoev <igor@sysoev.ru>
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
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12 typedef struct {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
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13 ngx_hunk_t *hunk; /* the temporary hunk to copy */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
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14 ngx_chain_t *incoming;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
15 ngx_chain_t in; /* one chain entry for input */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
16 ngx_chain_t out; /* one chain entry for output */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 98
diff changeset
17 } ngx_http_output_filter_ctx_t;
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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20 static int ngx_http_output_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src);
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cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
21 static void *ngx_http_output_filter_create_conf(ngx_conf_t *cf);
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
22 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
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
23 void *parent, void *child);
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
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25
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
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26 static ngx_command_t ngx_http_output_filter_commands[] = {
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
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28 {ngx_string("output_buffer"),
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
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29 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
30 ngx_conf_set_size_slot,
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0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
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31 NGX_HTTP_LOC_CONF_OFFSET,
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a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
32 offsetof(ngx_http_output_filter_conf_t, hunk_size),
a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
33 NULL},
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4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
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34
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
35 ngx_null_command
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6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
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36 };
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
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d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
39 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
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
40 NULL, /* create main configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
41 NULL, /* init main configuration */
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e43f406e4525 nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 67
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42
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637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
43 NULL, /* create server configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
44 NULL, /* merge server configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
45
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
46 ngx_http_output_filter_create_conf, /* create location configuration */
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
47 ngx_http_output_filter_merge_conf /* merge location configuration */
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
48 };
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
49
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
50
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
51 ngx_module_t ngx_http_output_filter_module = {
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
52 NGX_MODULE,
90
37530da31268 nginx-0.0.1-2003-05-16-19:27:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 83
diff changeset
53 &ngx_http_output_filter_module_ctx, /* module context */
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
54 ngx_http_output_filter_commands, /* module directives */
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
55 NGX_HTTP_MODULE, /* module type */
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571bcbff82c5 nginx-0.0.1-2003-07-11-08:50:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 104
diff changeset
56 NULL, /* init module */
571bcbff82c5 nginx-0.0.1-2003-07-11-08:50:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 104
diff changeset
57 NULL /* init child */
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
58 };
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
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59229033ae93 nginx-0.0.1-2003-04-08-19:40:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
61 #define next_filter (*ngx_http_top_body_filter)
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
63 #define need_to_copy(r, hunk) \
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
64 (((r->filter & NGX_HTTP_FILTER_NEED_IN_MEMORY) \
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6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
65 && (hunk->type & NGX_HUNK_IN_MEMORY) == 0) \
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5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
66 || ((r->filter & NGX_HTTP_FILTER_NEED_TEMP) \
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
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67 && (hunk->type & (NGX_HUNK_MEMORY|NGX_HUNK_MMAP))))
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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70 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
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
71 {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
72 int rc;
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7db96f59bc29 nginx-0.0.1-2003-06-12-09:54:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
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73 ssize_t size;
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8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
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74 ngx_chain_t *ce, *le;
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50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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75 ngx_http_output_filter_ctx_t *ctx;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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76 ngx_http_output_filter_conf_t *conf;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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77
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
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78 ctx = ngx_http_get_module_ctx(r->main ? r->main : r,
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
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79 ngx_http_output_filter_module);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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80
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
81 if (ctx == NULL) {
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
82 ngx_http_create_ctx(r, ctx, ngx_http_output_filter_module,
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
83 sizeof(ngx_http_output_filter_ctx_t), NGX_ERROR);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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84 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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85
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4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
86 /* the short path for the case when the chain ctx->incoming is empty
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
87 and there is no hunk or the hunk does not require the copy */
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
88 if (ctx->incoming == NULL) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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89
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
90 if (hunk == NULL) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
91 return next_filter(r, NULL);
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
92 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
93
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
94 /* we do not need to copy the incoming hunk to our hunk */
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
95 if (!need_to_copy(r, hunk)) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
96 ctx->out.hunk = hunk;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
97 ctx->out.next = NULL;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
98 return next_filter(r, &ctx->out);
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
99 }
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
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100 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
101
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
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102 /* add the incoming hunk to the chain ctx->incoming */
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
103 if (hunk) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
104
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4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
105 /* the output of the only hunk is common case so we have
62
8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
106 the special chain entry ctx->in for it */
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
107 if (ctx->incoming == NULL) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
108 ctx->in.hunk = hunk;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
109 ctx->in.next = NULL;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
110 ctx->incoming = &ctx->in;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
111
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
112 } else {
62
8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
113 for (ce = ctx->incoming; ce->next; ce = ce->next) { /* void */ ; }
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
114 ngx_add_hunk_to_chain(ce->next, hunk, r->pool, NGX_ERROR);
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
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
118 /* allocate our hunk if it's needed */
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
119 if (ctx->hunk == NULL) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
120
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
121 conf = ngx_http_get_module_loc_conf(r->main ? r->main : r,
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
122 ngx_http_output_filter_module);
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
123
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
124 if (hunk->type & NGX_HUNK_LAST) {
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
125 if (hunk->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
126 size = hunk->last - hunk->pos;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
127 } else {
98
c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
128 size = (size_t) (hunk->file_last - hunk->file_pos);
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
129 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
130
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
131 if (size > conf->hunk_size) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
132 size = conf->hunk_size;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
133 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
134
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
135 } else {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
136 size = conf->hunk_size;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
137 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
138
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
139 ngx_test_null(ctx->hunk,
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
140 ngx_create_temp_hunk(r->pool, size, 50, 50),
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
141 NGX_ERROR);
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
142 ctx->hunk->type |= NGX_HUNK_RECYCLED;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
143
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
144
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
145 /* our hunk is still busy */
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
146 } else if (ctx->hunk->pos < ctx->hunk->last) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
147 rc = next_filter(r, NULL);
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
148
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
149 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
150 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
151 }
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 /* NGX_OK */
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 119
diff changeset
154 #if 1
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
155 /* set our hunk free */
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
156 ctx->hunk->pos = ctx->hunk->last = ctx->hunk->start;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 119
diff changeset
157 #endif
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
158 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
159
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
160 #if (NGX_SUPPRESS_WARN)
62
8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
161 le = NULL;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
162 #endif
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
163
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
164 /* process the chain ctx->incoming */
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
165 do {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
166 /* find the hunks that do not need to be copied ... */
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
167 for (ce = ctx->incoming; ce; ce = ce->next) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
168 if (need_to_copy(r, ce->hunk)) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
169 break;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
170 }
62
8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
171 le = ce;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
172 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
173
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
174 /* ... and pass them to the next filter */
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
175 if (ctx->incoming != ce) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
176
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
177 ctx->out.hunk = ctx->incoming->hunk;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
178 ctx->out.next = ctx->incoming->next;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
179 ctx->incoming = ce;
62
8ccba41a678e nginx-0.0.1-2003-02-12-09:55:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 61
diff changeset
180 le->next = NULL;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
181
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
182 rc = next_filter(r, &ctx->out);
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
183 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
184 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
185 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
186
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
187 /* NGX_OK */
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
188 if (ctx->incoming == NULL) {
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
189 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
190 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
191 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
192
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
193 /* copy the first hunk or its part from the chain ctx->incoming
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
194 to our hunk and pass it to the next filter */
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
195 do {
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
196 rc = ngx_http_output_filter_copy_hunk(ctx->hunk,
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
197 ctx->incoming->hunk);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
198 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
199 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
200 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
201
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
202 #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
203 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
204 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
205 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
206 #endif
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
207
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
208 if (ctx->incoming->hunk->type & NGX_HUNK_IN_MEMORY) {
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
209 size = ctx->incoming->hunk->last - ctx->incoming->hunk->pos;
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
210
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
211 } else {
98
c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
212 size = (size_t) (ctx->incoming->hunk->file_last
c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
213 - ctx->incoming->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
214 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
215
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
216 /* delete the completed hunk from the incoming chain */
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
217 if (size == 0) {
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
218 ctx->incoming = ctx->incoming->next;
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
219 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
220
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
221 ctx->out.hunk = ctx->hunk;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
222 ctx->out.next = NULL;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
223
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
224 rc = next_filter(r, &ctx->out);
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
225 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
226 return rc;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
227 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
228
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
229 /* NGX_OK */
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 119
diff changeset
230 #if 1
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
231 /* set our hunk free */
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
232 ctx->hunk->pos = ctx->hunk->last = ctx->hunk->start;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 119
diff changeset
233 #endif
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
234
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
235 /* repeat until we will have copied the whole first hunk from
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
236 the chain ctx->incoming */
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
237
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
238 } while (size);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
239
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
240 /* repeat until we will have processed the whole chain ctx->incoming */
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
241 } while (ctx->incoming);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
242
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
243 return NGX_OK;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
244 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
245
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
246
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
247 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
248 {
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 57
diff changeset
249 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
250
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
251 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
252 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
253 } else {
98
c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
254 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
255 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
256
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
257 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
258 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
259 }
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
261 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
262 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
263 src->pos += size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
264 dst->last += size;
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
265
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
266 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
267 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
268 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
269
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
270 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
271 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
272 }
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
273
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
274 } else {
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
275 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
276
94
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
277 if (n == 0) {
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
278 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
279 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
280 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
281 }
8220378432a8 nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
282
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
283 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
284 return n;
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
285 }
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
286
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
287 #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
288 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
289 return n;
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
290 }
5
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents: 4
diff changeset
291 #endif
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292
61
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
293 if (n != size) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
294 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
295 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
296 n, size);
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
297 if (n == 0) {
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
298 return NGX_ERROR;
4f3e2abcc2c4 nginx-0.0.1-2003-02-11-19:42:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
299 }
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
300 }
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301
67
5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 62
diff changeset
302 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
303 dst->last += n;
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
304
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 71
diff changeset
305 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
306 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
307 }
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 33
diff changeset
308 }
26
53cb81681040 nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 24
diff changeset
309
4
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
310 return NGX_OK;
c5f071d376e5 nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 3
diff changeset
311 }
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
312
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
313
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
314 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
315 {
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
316 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
317
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
318 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
319 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
320 NULL);
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
321
10
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
322 conf->hunk_size = NGX_CONF_UNSET;
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
323
4f3879d9b6f6 nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 9
diff changeset
324 return conf;
9
6f58641241bb nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents: 8
diff changeset
325 }
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
326
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
327
119
cd54bcbaf3b5 nginx-0.0.1-2003-07-21-01:15:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 116
diff changeset
328 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
329 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
330 {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 95
diff changeset
331 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
332 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
333
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 90
diff changeset
334 ngx_conf_merge_size_value(conf->hunk_size, prev->hunk_size, 32768);
44
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
335
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
336 return NULL;
0e81ac0bb3e2 nginx-0.0.1-2003-01-09-08:36:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 43
diff changeset
337 }