Mercurial > hg > nginx
annotate src/http/modules/ngx_http_flv_module.c @ 754:4ac89c5aa10d
style fix: remove trailing spaces
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 09 Oct 2006 15:38:59 +0000 |
parents | af72ac9c3dbf |
children | 761a94247118 |
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 { | |
63 u_char *p; | |
64 off_t start, len; | |
65 ngx_fd_t fd; | |
66 ngx_int_t rc; | |
67 ngx_uint_t level; | |
68 ngx_str_t path; | |
69 ngx_err_t err; | |
70 ngx_log_t *log; | |
71 ngx_buf_t *b; | |
72 ngx_chain_t out[2]; | |
73 ngx_file_info_t fi; | |
74 ngx_pool_cleanup_t *cln; | |
75 ngx_pool_cleanup_file_t *clnf; | |
76 ngx_http_core_loc_conf_t *clcf; | |
77 | |
78 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
79 return NGX_HTTP_NOT_ALLOWED; | |
80 } | |
81 | |
82 if (r->uri.data[r->uri.len - 1] == '/') { | |
83 return NGX_DECLINED; | |
84 } | |
85 | |
86 /* TODO: Win32 */ | |
87 if (r->zero_in_uri) { | |
88 return NGX_DECLINED; | |
89 } | |
90 | |
91 rc = ngx_http_discard_body(r); | |
92 | |
93 if (rc != NGX_OK && rc != NGX_AGAIN) { | |
94 return rc; | |
95 } | |
96 | |
97 if (ngx_http_map_uri_to_path(r, &path, 0) == NULL) { | |
98 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
99 } | |
100 | |
101 log = r->connection->log; | |
102 | |
103 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
104 "http flv filename: \"%s\"", path.data); | |
105 | |
106 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_pool_cleanup_file_t)); | |
107 if (cln == NULL) { | |
108 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
109 } | |
110 | |
111 fd = ngx_open_file(path.data, NGX_FILE_RDONLY, NGX_FILE_OPEN); | |
112 | |
113 if (fd == NGX_INVALID_FILE) { | |
114 err = ngx_errno; | |
115 | |
116 if (err == NGX_ENOENT | |
117 || err == NGX_ENOTDIR | |
118 || err == NGX_ENAMETOOLONG) | |
119 { | |
120 level = NGX_LOG_ERR; | |
121 rc = NGX_HTTP_NOT_FOUND; | |
122 | |
123 } else if (err == NGX_EACCES) { | |
124 level = NGX_LOG_ERR; | |
125 rc = NGX_HTTP_FORBIDDEN; | |
126 | |
127 } else { | |
128 level = NGX_LOG_CRIT; | |
129 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
130 } | |
131 | |
132 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
133 | |
134 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
135 ngx_log_error(level, log, err, | |
136 ngx_open_file_n " \"%s\" failed", path.data); | |
137 } | |
138 | |
139 return rc; | |
140 } | |
141 | |
142 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) { | |
143 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, | |
144 ngx_fd_info_n " \"%s\" failed", path.data); | |
145 | |
146 if (ngx_close_file(fd) == NGX_FILE_ERROR) { | |
147 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
148 ngx_close_file_n " \"%s\" failed", path.data); | |
149 } | |
150 | |
151 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
152 } | |
153 | |
154 if (!ngx_is_file(&fi)) { | |
155 | |
156 if (ngx_close_file(fd) == NGX_FILE_ERROR) { | |
157 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
158 ngx_close_file_n " \"%s\" failed", path.data); | |
159 } | |
160 | |
161 return NGX_DECLINED; | |
162 } | |
163 | |
164 start = 0; | |
165 len = ngx_file_size(&fi); | |
166 | |
167 if (r->args.len) { | |
168 p = (u_char *) ngx_strstr(r->args.data, "start="); | |
169 | |
170 if (p) { | |
171 p += 6; | |
172 | |
173 start = ngx_atoof(p, r->args.len - (p - r->args.data)); | |
174 | |
175 if (start == NGX_ERROR || start >= len) { | |
176 start = 0; | |
177 } | |
178 | |
179 len -= start; | |
180 } | |
181 } | |
182 | |
183 log->action = "sending flv to client"; | |
184 | |
185 cln->handler = ngx_pool_cleanup_file; | |
754
4ac89c5aa10d
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
753
diff
changeset
|
186 clnf = cln->data; |
753 | 187 |
188 clnf->fd = fd; | |
189 clnf->name = path.data; | |
190 clnf->log = r->pool->log; | |
191 | |
192 r->headers_out.status = NGX_HTTP_OK; | |
193 r->headers_out.content_length_n = sizeof(ngx_flv_header) - 1 + len; | |
194 r->headers_out.last_modified_time = ngx_file_mtime(&fi); | |
195 | |
196 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
|
197 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
753 | 198 } |
199 | |
200 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
201 if (b == NULL) { | |
202 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
203 } | |
204 | |
205 b->pos = ngx_flv_header; | |
206 b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1; | |
207 b->memory = 1; | |
208 | |
209 out[0].buf = b; | |
210 out[0].next = &out[1]; | |
211 | |
212 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
213 if (b == NULL) { | |
214 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
215 } | |
216 | |
217 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
218 if (b->file == NULL) { | |
219 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
220 } | |
221 | |
222 rc = ngx_http_send_header(r); | |
223 | |
224 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
225 return rc; | |
226 } | |
227 | |
228 b->file_pos = start; | |
229 b->file_last = ngx_file_size(&fi); | |
230 | |
231 b->in_file = b->file_last ? 1: 0; | |
232 b->last_buf = 1; | |
233 b->last_in_chain = 1; | |
234 | |
235 b->file->fd = fd; | |
236 b->file->name = path; | |
237 b->file->log = log; | |
238 | |
239 out[1].buf = b; | |
240 out[1].next = NULL; | |
241 | |
242 return ngx_http_output_filter(r, out); | |
243 } | |
244 | |
245 | |
246 static char * | |
247 ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
248 { | |
249 ngx_http_core_loc_conf_t *clcf; | |
250 | |
251 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
252 clcf->handler = ngx_http_flv_handler; | |
253 | |
254 return NGX_CONF_OK; | |
255 } |