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(trunk libT) #2043: allow static files served by rpc-server to be cached

This commit is contained in:
Charles Kerr 2009-05-08 16:41:32 +00:00
parent 3b06df5e1a
commit 0d5cb0fa5a
1 changed files with 15 additions and 2 deletions
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17
libtransmission/rpc-server.c
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@ -304,6 +304,17 @@ add_response( struct evhttp_request * req,
#endif
}
static void
add_time_header( struct evkeyvalq * headers, const char * key, time_t value )
{
/* According to RFC 2616 this must follow RFC 1123's date format,
so use gmtime instead of localtime... */
char buf[1024];
struct tm tm = *gmtime( &value );
strftime( buf, sizeof( buf ), "%a, %d %b %Y %H:%M:%S GMT", &tm );
evhttp_add_header( headers, key, buf );
}
static void
serve_file( struct evhttp_request * req,
struct tr_rpc_server * server,
@ -333,11 +344,13 @@ serve_file( struct evhttp_request * req,
else
{
struct evbuffer * out;
const time_t now = time( NULL );
errno = error;
out = tr_getBuffer( );
evhttp_add_header( req->output_headers, "Content-Type",
mimetype_guess( filename ) );
evhttp_add_header( req->output_headers, "Content-Type", mimetype_guess( filename ) );
add_time_header( req->output_headers, "Date", now );
add_time_header( req->output_headers, "Expires", now+(24*60*60) );
add_response( req, server, out, content, content_len );
evhttp_send_reply( req, HTTP_OK, "OK", out );