void MemcachedSessionManager::update_session(Session &session)
{
memcached_return rc;
std::string const &sessionid = session.sessionid();
std::ostringstream ss;
save_pairs(ss, '\n', session.data());
std::string value("userid="+std::to_string(session.user().id()));
value += ss.str();
rc = memcached_set(memcached_conn,
sessionid.data(), sessionid.length(),
value.data(), value.length(),
session_timeout(), 0);
if (rc != MEMCACHED_SUCCESS)
throw MemcacheError(memcached_conn, rc);
}
static void dispatcher_loop()
{
int numfds;
fd_set fdset;
int count;
struct timeval timeout;
timeout.tv_usec = 0;
while(1)
{
if(sighup)
{
resource_update(config_dir);
sighup = False;
}
if(trace_level > 1)
{
trace_sessions();
}
numfds = 0;
FD_ZERO(&fdset);
numfds = MAX(clients_sd, agents_sd);
numfds = MAX(numfds,trap_sd);
numfds++;
FD_SET(clients_sd, &fdset);
FD_SET(agents_sd, &fdset);
FD_SET(trap_sd, &fdset);
timeout.tv_sec = relay_agent_poll_interval;
/* we compute the timeout according to the */
/* timeout of the pending requests */
session_select_info(&timeout);
count = select(numfds, &fdset, 0, 0, &timeout);
if(count > 0)
{
if(FD_ISSET(agents_sd, &fdset))
{
/* we read the responses of the agents */
session_read();
continue;
}
if(FD_ISSET(trap_sd, &fdset))
{
/* working on the trap */
trap_processing();
continue;
}
if(FD_ISSET(clients_sd, &fdset))
{
/* we dispatch the requests of the application */
session_dispatch();
session_timeout();
continue;
}
}
else
{
switch(count)
{
case 0:
/* we check if some requests have timeout */
session_timeout();
watch_dog_in_action();
break;
case -1:
if(errno == EINTR)
{
break;
}
else
{
error_exit(ERR_MSG_SELECT, errno_string());
}
}
}
}
}