Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_flv_module.c @ 2190:f06bb6d8bc49
bump version
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 18 Aug 2008 14:29:57 +0000 |
parents | 25add486e7aa |
children | 8564129d49b6 |
rev | line source |
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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 { | |
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63 u_char *p, *n, *last; |
753 | 64 off_t start, len; |
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65 size_t root; |
753 | 66 ngx_int_t rc; |
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67 ngx_uint_t level, i; |
753 | 68 ngx_str_t path; |
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 | |
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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 |
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108 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
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109 |
2129 | 110 of.directio = clcf->directio; |
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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; |
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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 | |
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163 r->root_tested = 1; |
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164 |
753 | 165 start = 0; |
1454 | 166 len = of.size; |
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167 i = 1; |
753 | 168 |
169 if (r->args.len) { | |
1553 | 170 p = (u_char *) ngx_strnstr(r->args.data, "start=", r->args.len); |
753 | 171 |
172 if (p) { | |
173 p += 6; | |
174 | |
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175 for (n = p; n < r->args.data + r->args.len; n++) { |
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176 if (*n == '&') { |
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177 break; |
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178 } |
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179 } |
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180 |
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181 start = ngx_atoof(p, n - p); |
753 | 182 |
183 if (start == NGX_ERROR || start >= len) { | |
184 start = 0; | |
185 } | |
186 | |
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187 if (start) { |
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188 len = sizeof(ngx_flv_header) - 1 + len - start; |
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189 i = 0; |
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190 } |
753 | 191 } |
192 } | |
193 | |
194 log->action = "sending flv to client"; | |
195 | |
196 r->headers_out.status = NGX_HTTP_OK; | |
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197 r->headers_out.content_length_n = len; |
1454 | 198 r->headers_out.last_modified_time = of.mtime; |
753 | 199 |
200 if (ngx_http_set_content_type(r) != NGX_OK) { | |
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201 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
753 | 202 } |
203 | |
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204 if (i == 0) { |
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205 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
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206 if (b == NULL) { |
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207 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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208 } |
753 | 209 |
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210 b->pos = ngx_flv_header; |
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211 b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1; |
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212 b->memory = 1; |
753 | 213 |
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214 out[0].buf = b; |
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215 out[0].next = &out[1]; |
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216 } |
753 | 217 |
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218 |
753 | 219 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
220 if (b == NULL) { | |
221 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
222 } | |
223 | |
224 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
225 if (b->file == NULL) { | |
226 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
227 } | |
228 | |
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229 r->allow_ranges = 1; |
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230 |
753 | 231 rc = ngx_http_send_header(r); |
232 | |
233 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
234 return rc; | |
235 } | |
236 | |
237 b->file_pos = start; | |
1454 | 238 b->file_last = of.size; |
753 | 239 |
240 b->in_file = b->file_last ? 1: 0; | |
241 b->last_buf = 1; | |
242 b->last_in_chain = 1; | |
243 | |
1696 | 244 b->file->fd = of.fd; |
753 | 245 b->file->name = path; |
246 b->file->log = log; | |
247 | |
248 out[1].buf = b; | |
249 out[1].next = NULL; | |
250 | |
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251 return ngx_http_output_filter(r, &out[i]); |
753 | 252 } |
253 | |
254 | |
255 static char * | |
256 ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
257 { | |
258 ngx_http_core_loc_conf_t *clcf; | |
259 | |
260 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
261 clcf->handler = ngx_http_flv_handler; | |
262 | |
263 return NGX_CONF_OK; | |
264 } |