Defer updates while db is changing

This commit is contained in:
Ron Pedde 2006-07-29 00:18:00 +00:00
parent 7aa0d9b187
commit e54a8a1d9e
1 changed files with 7 additions and 3 deletions

View File

@ -1382,6 +1382,7 @@ void dispatch_update(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
fd_set rset;
struct timeval tv;
int result;
int lastver=0;
DPRINTF(E_DBG,L_DAAP,"Preparing to send update response\n");
config_set_status(pwsc,pqi->session_id,"Waiting for DB update");
@ -1390,7 +1391,10 @@ void dispatch_update(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
clientver=atoi(ws_getvar(pwsc,"revision-number"));
}
while(clientver == db_revision()) {
/* wait for db_version to be stable for 30 seconds */
while((clientver == db_revision()) && (db_revision() == lastver)) {
lastver = db_revision();
FD_ZERO(&rset);
FD_SET(pwsc->fd,&rset);
@ -1400,8 +1404,8 @@ void dispatch_update(WS_CONNINFO *pwsc, DBQUERYINFO *pqi) {
result=select(pwsc->fd+1,&rset,NULL,NULL,&tv);
if(FD_ISSET(pwsc->fd,&rset)) {
/* can't be ready for read, must be error */
DPRINTF(E_DBG,L_DAAP,"Socket closed?\n");
DPRINTF(E_DBG,L_DAAP,"Update session stopped\n");
pwsc->close=1;
return;
}
}