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ngx_http_flv_module

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This commit is contained in:
Igor Sysoev 2006-10-09 14:17:36 +00:00
parent 5ad1d4b5ef
commit b50500689a
4 changed files with 267 additions and 0 deletions
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5
auto/modules
View File

@ -250,6 +250,11 @@ if [ $HTTP_BROWSER = YES ]; then
HTTP_SRCS="$HTTP_SRCS $HTTP_BROWSER_SRCS"
fi
if [ $HTTP_FLV = YES ]; then
HTTP_MODULES="$HTTP_MODULES $HTTP_FLV_MODULE"
HTTP_SRCS="$HTTP_SRCS $HTTP_FLV_SRCS"
fi
# STUB
#USE_MD5=YES
#HTTP_SRCS="$HTTP_SRCS $HTPP_CACHE_SRCS"

3
auto/options
View File

@ -70,6 +70,7 @@ HTTP_PERL=NO
HTTP_MEMCACHED=YES
HTTP_EMPTY_GIF=YES
HTTP_BROWSER=YES
HTTP_FLV=NO
# STUB
HTTP_STUB_STATUS=NO
@ -150,6 +151,7 @@ do
--with-http_realip_module) HTTP_REALIP=YES ;;
--with-http_addition_module) HTTP_ADDITION=YES ;;
--with-http_dav_module) HTTP_DAV=YES ;;
--with-http_flv_module) HTTP_FLV=YES ;;
--without-http_charset_module) HTTP_CHARSET=NO ;;
--without-http_gzip_module) HTTP_GZIP=NO ;;
@ -251,6 +253,7 @@ cat << END
--with-http_realip_module enable ngx_http_realip_module
--with-http_addition_module enable ngx_http_addition_module
--with-http_dav_module enable ngx_http_dav_module
--with-http_flv_module enable ngx_http_flv_module
--without-http_charset_module disable ngx_http_charset_module
--without-http_gzip_module disable ngx_http_gzip_module

4
auto/sources
View File

@ -393,6 +393,10 @@ HTTP_BROWSER_MODULE=ngx_http_browser_module
HTTP_BROWSER_SRCS=src/http/modules/ngx_http_browser_module.c
HTTP_FLV_MODULE=ngx_http_flv_module
HTTP_FLV_SRCS=src/http/modules/ngx_http_flv_module.c
IMAP_INCS="src/imap"
IMAP_DEPS="src/imap/ngx_imap.h"

255
src/http/modules/ngx_http_flv_module.c Normal file
View File

@ -0,0 +1,255 @@
/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
static char *ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static ngx_command_t ngx_http_flv_commands[] = {
{ ngx_string("flv"),
NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS,
ngx_http_flv,
0,
0,
NULL },
ngx_null_command
};
static u_char ngx_flv_header[] = "FLV\x1\x1\0\0\0\x9\0\0\0\x9";
static ngx_http_module_t ngx_http_flv_module_ctx = {
NULL, /* preconfiguration */
NULL, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
NULL, /* create location configuration */
NULL /* merge location configuration */
};
ngx_module_t ngx_http_flv_module = {
NGX_MODULE_V1,
&ngx_http_flv_module_ctx, /* module context */
ngx_http_flv_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static ngx_int_t
ngx_http_flv_handler(ngx_http_request_t *r)
{
u_char *p;
off_t start, len;
ngx_fd_t fd;
ngx_int_t rc;
ngx_uint_t level;
ngx_str_t path;
ngx_err_t err;
ngx_log_t *log;
ngx_buf_t *b;
ngx_chain_t out[2];
ngx_file_info_t fi;
ngx_pool_cleanup_t *cln;
ngx_pool_cleanup_file_t *clnf;
ngx_http_core_loc_conf_t *clcf;
if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
return NGX_HTTP_NOT_ALLOWED;
}
if (r->uri.data[r->uri.len - 1] == '/') {
return NGX_DECLINED;
}
/* TODO: Win32 */
if (r->zero_in_uri) {
return NGX_DECLINED;
}
rc = ngx_http_discard_body(r);
if (rc != NGX_OK && rc != NGX_AGAIN) {
return rc;
}
if (ngx_http_map_uri_to_path(r, &path, 0) == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
log = r->connection->log;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"http flv filename: \"%s\"", path.data);
cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_pool_cleanup_file_t));
if (cln == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
fd = ngx_open_file(path.data, NGX_FILE_RDONLY, NGX_FILE_OPEN);
if (fd == NGX_INVALID_FILE) {
err = ngx_errno;
if (err == NGX_ENOENT
|| err == NGX_ENOTDIR
|| err == NGX_ENAMETOOLONG)
{
level = NGX_LOG_ERR;
rc = NGX_HTTP_NOT_FOUND;
} else if (err == NGX_EACCES) {
level = NGX_LOG_ERR;
rc = NGX_HTTP_FORBIDDEN;
} else {
level = NGX_LOG_CRIT;
rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) {
ngx_log_error(level, log, err,
ngx_open_file_n " \"%s\" failed", path.data);
}
return rc;
}
if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
ngx_fd_info_n " \"%s\" failed", path.data);
if (ngx_close_file(fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
ngx_close_file_n " \"%s\" failed", path.data);
}
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
if (!ngx_is_file(&fi)) {
if (ngx_close_file(fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
ngx_close_file_n " \"%s\" failed", path.data);
}
return NGX_DECLINED;
}
start = 0;
len = ngx_file_size(&fi);
if (r->args.len) {
p = (u_char *) ngx_strstr(r->args.data, "start=");
if (p) {
p += 6;
start = ngx_atoof(p, r->args.len - (p - r->args.data));
if (start == NGX_ERROR || start >= len) {
start = 0;
}
len -= start;
}
}
log->action = "sending flv to client";
cln->handler = ngx_pool_cleanup_file;
clnf = cln->data;
clnf->fd = fd;
clnf->name = path.data;
clnf->log = r->pool->log;
r->headers_out.status = NGX_HTTP_OK;
r->headers_out.content_length_n = sizeof(ngx_flv_header) - 1 + len;
r->headers_out.last_modified_time = ngx_file_mtime(&fi);
if (ngx_http_set_content_type(r) != NGX_OK) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
if (b == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
b->pos = ngx_flv_header;
b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1;
b->memory = 1;
out[0].buf = b;
out[0].next = &out[1];
b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
if (b == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
if (b->file == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
rc = ngx_http_send_header(r);
if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
return rc;
}
b->file_pos = start;
b->file_last = ngx_file_size(&fi);
b->in_file = b->file_last ? 1: 0;
b->last_buf = 1;
b->last_in_chain = 1;
b->file->fd = fd;
b->file->name = path;
b->file->log = log;
out[1].buf = b;
out[1].next = NULL;
return ngx_http_output_filter(r, out);
}
static char *
ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_http_flv_handler;
return NGX_CONF_OK;
}