Mercurial > hg > nginx
annotate src/http/modules/ngx_http_flv_module.c @ 4412:d620f497c50f
Copyright updated.
| author | Maxim Konovalov <maxim@nginx.com> |
|---|---|
| date | Wed, 18 Jan 2012 15:07:43 +0000 |
| parents | 2f8e9469b436 |
| children | 08713bac87fc |
| rev | line source |
|---|---|
| 753 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 753 | 5 */ |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 12 static char *ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 13 | |
| 14 static ngx_command_t ngx_http_flv_commands[] = { | |
| 15 | |
| 16 { ngx_string("flv"), | |
| 17 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
| 18 ngx_http_flv, | |
| 19 0, | |
| 20 0, | |
| 21 NULL }, | |
| 22 | |
| 23 ngx_null_command | |
| 24 }; | |
| 25 | |
| 26 | |
|
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Fixed flv header to match specification.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
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27 static u_char ngx_flv_header[] = "FLV\x1\x5\0\0\0\x9\0\0\0\0"; |
| 753 | 28 |
| 29 | |
| 30 static ngx_http_module_t ngx_http_flv_module_ctx = { | |
| 31 NULL, /* preconfiguration */ | |
| 32 NULL, /* postconfiguration */ | |
| 33 | |
| 34 NULL, /* create main configuration */ | |
| 35 NULL, /* init main configuration */ | |
| 36 | |
| 37 NULL, /* create server configuration */ | |
| 38 NULL, /* merge server configuration */ | |
| 39 | |
| 40 NULL, /* create location configuration */ | |
| 41 NULL /* merge location configuration */ | |
| 42 }; | |
| 43 | |
| 44 | |
| 45 ngx_module_t ngx_http_flv_module = { | |
| 46 NGX_MODULE_V1, | |
| 47 &ngx_http_flv_module_ctx, /* module context */ | |
| 48 ngx_http_flv_commands, /* module directives */ | |
| 49 NGX_HTTP_MODULE, /* module type */ | |
| 50 NULL, /* init master */ | |
| 51 NULL, /* init module */ | |
| 52 NULL, /* init process */ | |
| 53 NULL, /* init thread */ | |
| 54 NULL, /* exit thread */ | |
| 55 NULL, /* exit process */ | |
| 56 NULL, /* exit master */ | |
| 57 NGX_MODULE_V1_PADDING | |
| 58 }; | |
| 59 | |
| 60 | |
| 61 static ngx_int_t | |
| 62 ngx_http_flv_handler(ngx_http_request_t *r) | |
| 63 { | |
| 2415 | 64 u_char *last; |
| 753 | 65 off_t start, len; |
|
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previous commit broke two modules
Igor Sysoev <igor@sysoev.ru>
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66 size_t root; |
| 753 | 67 ngx_int_t rc; |
|
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68 ngx_uint_t level, i; |
| 2415 | 69 ngx_str_t path, value; |
| 753 | 70 ngx_log_t *log; |
| 71 ngx_buf_t *b; | |
| 72 ngx_chain_t out[2]; | |
| 1454 | 73 ngx_open_file_info_t of; |
| 753 | 74 ngx_http_core_loc_conf_t *clcf; |
| 75 | |
| 76 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
| 77 return NGX_HTTP_NOT_ALLOWED; | |
| 78 } | |
| 79 | |
| 80 if (r->uri.data[r->uri.len - 1] == '/') { | |
| 81 return NGX_DECLINED; | |
| 82 } | |
| 83 | |
|
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rename ngx_http_discard_body() to ngx_http_discard_request_body()
Igor Sysoev <igor@sysoev.ru>
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84 rc = ngx_http_discard_request_body(r); |
| 753 | 85 |
| 1374 | 86 if (rc != NGX_OK) { |
| 753 | 87 return rc; |
| 88 } | |
| 89 | |
| 1454 | 90 last = ngx_http_map_uri_to_path(r, &path, &root, 0); |
| 91 if (last == NULL) { | |
| 753 | 92 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 93 } | |
| 94 | |
| 95 log = r->connection->log; | |
| 96 | |
| 1454 | 97 path.len = last - path.data; |
| 753 | 98 |
| 1454 | 99 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, |
| 100 "http flv filename: \"%V\"", &path); | |
| 101 | |
| 102 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 753 | 103 |
|
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ngx_memzero() ngx_open_file_info_t
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104 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
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ngx_memzero() ngx_open_file_info_t
Igor Sysoev <igor@sysoev.ru>
parents:
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105 |
| 3178 | 106 of.read_ahead = clcf->read_ahead; |
| 2129 | 107 of.directio = clcf->directio; |
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open_file_cache_retest > open_file_cache_valid
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108 of.valid = clcf->open_file_cache_valid; |
| 1772 | 109 of.min_uses = clcf->open_file_cache_min_uses; |
| 1454 | 110 of.errors = clcf->open_file_cache_errors; |
| 1457 | 111 of.events = clcf->open_file_cache_events; |
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112 |
| 1799 | 113 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
| 114 != NGX_OK) | |
| 115 { | |
| 1454 | 116 switch (of.err) { |
| 117 | |
| 118 case 0: | |
| 119 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 120 | |
| 121 case NGX_ENOENT: | |
| 122 case NGX_ENOTDIR: | |
| 123 case NGX_ENAMETOOLONG: | |
| 124 | |
| 753 | 125 level = NGX_LOG_ERR; |
| 126 rc = NGX_HTTP_NOT_FOUND; | |
| 1454 | 127 break; |
| 753 | 128 |
| 1454 | 129 case NGX_EACCES: |
| 130 | |
| 753 | 131 level = NGX_LOG_ERR; |
| 132 rc = NGX_HTTP_FORBIDDEN; | |
| 1454 | 133 break; |
| 753 | 134 |
| 1454 | 135 default: |
| 136 | |
| 753 | 137 level = NGX_LOG_CRIT; |
| 138 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 1454 | 139 break; |
| 753 | 140 } |
| 141 | |
| 142 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
| 1454 | 143 ngx_log_error(level, log, of.err, |
|
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*) of.test_only to not open file if only stat() is enough
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144 "%s \"%s\" failed", of.failed, path.data); |
| 753 | 145 } |
| 146 | |
| 147 return rc; | |
| 148 } | |
| 149 | |
| 1454 | 150 if (!of.is_file) { |
| 753 | 151 |
| 1696 | 152 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { |
| 753 | 153 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
| 154 ngx_close_file_n " \"%s\" failed", path.data); | |
| 155 } | |
| 156 | |
| 157 return NGX_DECLINED; | |
| 158 } | |
| 159 | |
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set r->root_tested for non-error_page response only
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parents:
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160 r->root_tested = !r->error_page; |
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always test root existence for access_log with variables
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161 |
| 753 | 162 start = 0; |
| 1454 | 163 len = of.size; |
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do not send flv header for full file
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parents:
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164 i = 1; |
| 753 | 165 |
| 166 if (r->args.len) { | |
| 167 | |
| 2415 | 168 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { |
|
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allow several values in query string
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169 |
| 2415 | 170 start = ngx_atoof(value.data, value.len); |
| 753 | 171 |
| 172 if (start == NGX_ERROR || start >= len) { | |
| 173 start = 0; | |
| 174 } | |
| 175 | |
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176 if (start) { |
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177 len = sizeof(ngx_flv_header) - 1 + len - start; |
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178 i = 0; |
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179 } |
| 753 | 180 } |
| 181 } | |
| 182 | |
| 183 log->action = "sending flv to client"; | |
| 184 | |
| 185 r->headers_out.status = NGX_HTTP_OK; | |
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186 r->headers_out.content_length_n = len; |
| 1454 | 187 r->headers_out.last_modified_time = of.mtime; |
| 753 | 188 |
| 189 if (ngx_http_set_content_type(r) != NGX_OK) { | |
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190 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 753 | 191 } |
| 192 | |
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193 if (i == 0) { |
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194 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
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195 if (b == NULL) { |
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196 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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197 } |
| 753 | 198 |
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199 b->pos = ngx_flv_header; |
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200 b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1; |
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201 b->memory = 1; |
| 753 | 202 |
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203 out[0].buf = b; |
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204 out[0].next = &out[1]; |
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205 } |
| 753 | 206 |
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207 |
| 753 | 208 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
| 209 if (b == NULL) { | |
| 210 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 211 } | |
| 212 | |
| 213 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
| 214 if (b->file == NULL) { | |
| 215 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 216 } | |
| 217 | |
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218 r->allow_ranges = 1; |
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219 |
| 753 | 220 rc = ngx_http_send_header(r); |
| 221 | |
| 222 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 223 return rc; | |
| 224 } | |
| 225 | |
| 226 b->file_pos = start; | |
| 1454 | 227 b->file_last = of.size; |
| 753 | 228 |
| 229 b->in_file = b->file_last ? 1: 0; | |
| 230 b->last_buf = 1; | |
| 231 b->last_in_chain = 1; | |
| 232 | |
| 1696 | 233 b->file->fd = of.fd; |
| 753 | 234 b->file->name = path; |
| 235 b->file->log = log; | |
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236 b->file->directio = of.is_directio; |
| 753 | 237 |
| 238 out[1].buf = b; | |
| 239 out[1].next = NULL; | |
| 240 | |
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241 return ngx_http_output_filter(r, &out[i]); |
| 753 | 242 } |
| 243 | |
| 244 | |
| 245 static char * | |
| 246 ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 247 { | |
| 248 ngx_http_core_loc_conf_t *clcf; | |
| 249 | |
| 250 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 251 clcf->handler = ngx_http_flv_handler; | |
| 252 | |
| 253 return NGX_CONF_OK; | |
| 254 } |