Mercurial > hg > nginx
annotate src/http/modules/ngx_http_flv_module.c @ 2415:d311b7f6a403
ngx_http_arg()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 22 Dec 2008 12:02:05 +0000 |
| parents | 8564129d49b6 |
| children | aee735f41627 |
| rev | line source |
|---|---|
| 753 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 #include <ngx_config.h> | |
| 7 #include <ngx_core.h> | |
| 8 #include <ngx_http.h> | |
| 9 | |
| 10 | |
| 11 static char *ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 12 | |
| 13 static ngx_command_t ngx_http_flv_commands[] = { | |
| 14 | |
| 15 { ngx_string("flv"), | |
| 16 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
| 17 ngx_http_flv, | |
| 18 0, | |
| 19 0, | |
| 20 NULL }, | |
| 21 | |
| 22 ngx_null_command | |
| 23 }; | |
| 24 | |
| 25 | |
| 26 static u_char ngx_flv_header[] = "FLV\x1\x1\0\0\0\x9\0\0\0\x9"; | |
| 27 | |
| 28 | |
| 29 static ngx_http_module_t ngx_http_flv_module_ctx = { | |
| 30 NULL, /* preconfiguration */ | |
| 31 NULL, /* postconfiguration */ | |
| 32 | |
| 33 NULL, /* create main configuration */ | |
| 34 NULL, /* init main configuration */ | |
| 35 | |
| 36 NULL, /* create server configuration */ | |
| 37 NULL, /* merge server configuration */ | |
| 38 | |
| 39 NULL, /* create location configuration */ | |
| 40 NULL /* merge location configuration */ | |
| 41 }; | |
| 42 | |
| 43 | |
| 44 ngx_module_t ngx_http_flv_module = { | |
| 45 NGX_MODULE_V1, | |
| 46 &ngx_http_flv_module_ctx, /* module context */ | |
| 47 ngx_http_flv_commands, /* module directives */ | |
| 48 NGX_HTTP_MODULE, /* module type */ | |
| 49 NULL, /* init master */ | |
| 50 NULL, /* init module */ | |
| 51 NULL, /* init process */ | |
| 52 NULL, /* init thread */ | |
| 53 NULL, /* exit thread */ | |
| 54 NULL, /* exit process */ | |
| 55 NULL, /* exit master */ | |
| 56 NGX_MODULE_V1_PADDING | |
| 57 }; | |
| 58 | |
| 59 | |
| 60 static ngx_int_t | |
| 61 ngx_http_flv_handler(ngx_http_request_t *r) | |
| 62 { | |
| 2415 | 63 u_char *last; |
| 753 | 64 off_t start, len; |
|
774
589841f06b87
previous commit broke two modules
Igor Sysoev <igor@sysoev.ru>
parents:
764
diff
changeset
|
65 size_t root; |
| 753 | 66 ngx_int_t rc; |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
67 ngx_uint_t level, i; |
| 2415 | 68 ngx_str_t path, value; |
| 753 | 69 ngx_log_t *log; |
| 70 ngx_buf_t *b; | |
| 71 ngx_chain_t out[2]; | |
| 1454 | 72 ngx_open_file_info_t of; |
| 753 | 73 ngx_http_core_loc_conf_t *clcf; |
| 74 | |
| 75 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
| 76 return NGX_HTTP_NOT_ALLOWED; | |
| 77 } | |
| 78 | |
| 79 if (r->uri.data[r->uri.len - 1] == '/') { | |
| 80 return NGX_DECLINED; | |
| 81 } | |
| 82 | |
| 83 /* TODO: Win32 */ | |
| 84 if (r->zero_in_uri) { | |
| 85 return NGX_DECLINED; | |
| 86 } | |
| 87 | |
|
1370
cc114c85be0f
rename ngx_http_discard_body() to ngx_http_discard_request_body()
Igor Sysoev <igor@sysoev.ru>
parents:
1048
diff
changeset
|
88 rc = ngx_http_discard_request_body(r); |
| 753 | 89 |
| 1374 | 90 if (rc != NGX_OK) { |
| 753 | 91 return rc; |
| 92 } | |
| 93 | |
| 1454 | 94 last = ngx_http_map_uri_to_path(r, &path, &root, 0); |
| 95 if (last == NULL) { | |
| 753 | 96 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 97 } | |
| 98 | |
| 99 log = r->connection->log; | |
| 100 | |
| 1454 | 101 path.len = last - path.data; |
| 753 | 102 |
| 1454 | 103 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, |
| 104 "http flv filename: \"%V\"", &path); | |
| 105 | |
| 106 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 753 | 107 |
|
2068
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
108 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
|
75a8d34459c5
ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
2063
diff
changeset
|
109 |
| 2129 | 110 of.directio = clcf->directio; |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1696
diff
changeset
|
111 of.valid = clcf->open_file_cache_valid; |
| 1772 | 112 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 113 of.errors = clcf->open_file_cache_errors; |
| 1457 | 114 of.events = clcf->open_file_cache_events; |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1553
diff
changeset
|
115 |
| 1799 | 116 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 117 != NGX_OK) | |
| 118 { | |
| 1454 | 119 switch (of.err) { |
| 120 | |
| 121 case 0: | |
| 122 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 123 | |
| 124 case NGX_ENOENT: | |
| 125 case NGX_ENOTDIR: | |
| 126 case NGX_ENAMETOOLONG: | |
| 127 | |
| 753 | 128 level = NGX_LOG_ERR; |
| 129 rc = NGX_HTTP_NOT_FOUND; | |
| 1454 | 130 break; |
| 753 | 131 |
| 1454 | 132 case NGX_EACCES: |
| 133 | |
| 753 | 134 level = NGX_LOG_ERR; |
| 135 rc = NGX_HTTP_FORBIDDEN; | |
| 1454 | 136 break; |
| 753 | 137 |
| 1454 | 138 default: |
| 139 | |
| 753 | 140 level = NGX_LOG_CRIT; |
| 141 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1454 | 142 break; |
| 753 | 143 } |
| 144 | |
| 145 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
| 1454 | 146 ngx_log_error(level, log, of.err, |
| 753 | 147 ngx_open_file_n " \"%s\" failed", path.data); |
| 148 } | |
| 149 | |
| 150 return rc; | |
| 151 } | |
| 152 | |
| 1454 | 153 if (!of.is_file) { |
| 753 | 154 |
| 1696 | 155 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { |
| 753 | 156 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| 157 ngx_close_file_n " \"%s\" failed", path.data); | |
| 158 } | |
| 159 | |
| 160 return NGX_DECLINED; | |
| 161 } | |
| 162 | |
|
2087
c8039b26a949
always test root existence for access_log with variables
Igor Sysoev <igor@sysoev.ru>
parents:
2086
diff
changeset
|
163 r->root_tested = 1; |
|
c8039b26a949
always test root existence for access_log with variables
Igor Sysoev <igor@sysoev.ru>
parents:
2086
diff
changeset
|
164 |
| 753 | 165 start = 0; |
| 1454 | 166 len = of.size; |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
167 i = 1; |
| 753 | 168 |
| 169 if (r->args.len) { | |
| 170 | |
| 2415 | 171 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { |
|
2086
22d36702c654
allow several values in query string
Igor Sysoev <igor@sysoev.ru>
parents:
2068
diff
changeset
|
172 |
| 2415 | 173 start = ngx_atoof(value.data, value.len); |
| 753 | 174 |
| 175 if (start == NGX_ERROR || start >= len) { | |
| 176 start = 0; | |
| 177 } | |
| 178 | |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
179 if (start) { |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
180 len = sizeof(ngx_flv_header) - 1 + len - start; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
181 i = 0; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
182 } |
| 753 | 183 } |
| 184 } | |
| 185 | |
| 186 log->action = "sending flv to client"; | |
| 187 | |
| 188 r->headers_out.status = NGX_HTTP_OK; | |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
189 r->headers_out.content_length_n = len; |
| 1454 | 190 r->headers_out.last_modified_time = of.mtime; |
| 753 | 191 |
| 192 if (ngx_http_set_content_type(r) != NGX_OK) { | |
|
754
4ac89c5aa10d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
753
diff
changeset
|
193 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 753 | 194 } |
| 195 | |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
196 if (i == 0) { |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
197 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
198 if (b == NULL) { |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
199 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
200 } |
| 753 | 201 |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
202 b->pos = ngx_flv_header; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
203 b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
204 b->memory = 1; |
| 753 | 205 |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
206 out[0].buf = b; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
207 out[0].next = &out[1]; |
|
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
208 } |
| 753 | 209 |
|
781
836f099aa5cb
allow ranges for full flv files
Igor Sysoev <igor@sysoev.ru>
parents:
774
diff
changeset
|
210 |
| 753 | 211 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
| 212 if (b == NULL) { | |
| 213 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 214 } | |
| 215 | |
| 216 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
| 217 if (b->file == NULL) { | |
| 218 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 219 } | |
| 220 | |
|
2122
d090fa684433
allow range for partial flv response
Igor Sysoev <igor@sysoev.ru>
parents:
2087
diff
changeset
|
221 r->allow_ranges = 1; |
|
d090fa684433
allow range for partial flv response
Igor Sysoev <igor@sysoev.ru>
parents:
2087
diff
changeset
|
222 |
| 753 | 223 rc = ngx_http_send_header(r); |
| 224 | |
| 225 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 226 return rc; | |
| 227 } | |
| 228 | |
| 229 b->file_pos = start; | |
| 1454 | 230 b->file_last = of.size; |
| 753 | 231 |
| 232 b->in_file = b->file_last ? 1: 0; | |
| 233 b->last_buf = 1; | |
| 234 b->last_in_chain = 1; | |
| 235 | |
| 1696 | 236 b->file->fd = of.fd; |
| 753 | 237 b->file->name = path; |
| 238 b->file->log = log; | |
|
2231
8564129d49b6
*) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
239 b->file->directio = of.is_directio; |
| 753 | 240 |
| 241 out[1].buf = b; | |
| 242 out[1].next = NULL; | |
| 243 | |
|
764
761a94247118
do not send flv header for full file
Igor Sysoev <igor@sysoev.ru>
parents:
754
diff
changeset
|
244 return ngx_http_output_filter(r, &out[i]); |
| 753 | 245 } |
| 246 | |
| 247 | |
| 248 static char * | |
| 249 ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 250 { | |
| 251 ngx_http_core_loc_conf_t *clcf; | |
| 252 | |
| 253 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 254 clcf->handler = ngx_http_flv_handler; | |
| 255 | |
| 256 return NGX_CONF_OK; | |
| 257 } |