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 } |