static void msg_reload_nmbd_services(int msg_type, struct process_id src,
void *buf, size_t len, void *private_data)
{
write_browse_list( 0, True );
dump_all_namelists();
reload_nmbd_services( True );
reopen_logs();
if(buf) {
/* We were called from process() */
/* If reload_interfaces() returned True */
/* we need to shutdown if there are no subnets... */
/* pass this info back to process() */
*((BOOL*)buf) = reload_interfaces(0);
}
}
static void process(void)
{
bool run_election;
while( True ) {
time_t t = time(NULL);
TALLOC_CTX *frame = talloc_stackframe();
/*
* Check all broadcast subnets to see if
* we need to run an election on any of them.
* (nmbd_elections.c)
*/
run_election = check_elections();
/*
* Read incoming UDP packets.
* (nmbd_packets.c)
*/
if(listen_for_packets(run_election)) {
TALLOC_FREE(frame);
return;
}
/*
* Process all incoming packets
* read above. This calls the success and
* failure functions registered when response
* packets arrrive, and also deals with request
* packets from other sources.
* (nmbd_packets.c)
*/
run_packet_queue();
/*
* Run any elections - initiate becoming
* a local master browser if we have won.
* (nmbd_elections.c)
*/
run_elections(t);
/*
* Send out any broadcast announcements
* of our server names. This also announces
* the workgroup name if we are a local
* master browser.
* (nmbd_sendannounce.c)
*/
announce_my_server_names(t);
/*
* Send out any LanMan broadcast announcements
* of our server names.
* (nmbd_sendannounce.c)
*/
announce_my_lm_server_names(t);
/*
* If we are a local master browser, periodically
* announce ourselves to the domain master browser.
* This also deals with syncronising the domain master
* browser server lists with ourselves as a local
* master browser.
* (nmbd_sendannounce.c)
*/
announce_myself_to_domain_master_browser(t);
/*
* Fullfill any remote announce requests.
* (nmbd_sendannounce.c)
*/
announce_remote(t);
/*
* Fullfill any remote browse sync announce requests.
* (nmbd_sendannounce.c)
*/
browse_sync_remote(t);
/*
* Scan the broadcast subnets, and WINS client
* namelists and refresh any that need refreshing.
* (nmbd_mynames.c)
*/
refresh_my_names(t);
/*
* Scan the subnet namelists and server lists and
* expire thos that have timed out.
* (nmbd.c)
*/
expire_names_and_servers(t);
/*
* Write out a snapshot of our current browse list into
* the browse.dat file. This is used by smbd to service
* incoming NetServerEnum calls - used to synchronise
* browse lists over subnets.
* (nmbd_serverlistdb.c)
*/
write_browse_list(t, False);
/*
* If we are a domain master browser, we have a list of
* local master browsers we should synchronise browse
* lists with (these are added by an incoming local
* master browser announcement packet). Expire any of
* these that are no longer current, and pull the server
* lists from each of these known local master browsers.
* (nmbd_browsesync.c)
*/
dmb_expire_and_sync_browser_lists(t);
/*
* Check that there is a local master browser for our
* workgroup for all our broadcast subnets. If one
* is not found, start an election (which we ourselves
* may or may not participate in, depending on the
* setting of the 'local master' parameter.
* (nmbd_elections.c)
*/
check_master_browser_exists(t);
/*
* If we are configured as a logon server, attempt to
* register the special NetBIOS names to become such
* (WORKGROUP<1c> name) on all broadcast subnets and
* with the WINS server (if used). If we are configured
* to become a domain master browser, attempt to register
* the special NetBIOS name (WORKGROUP<1b> name) to
* become such.
* (nmbd_become_dmb.c)
*/
add_domain_names(t);
/*
* If we are a WINS server, do any timer dependent
* processing required.
* (nmbd_winsserver.c)
*/
initiate_wins_processing(t);
/*
* If we are a domain master browser, attempt to contact the
* WINS server to get a list of all known WORKGROUPS/DOMAINS.
* This will only work to a Samba WINS server.
* (nmbd_browsesync.c)
*/
if (lp_enhanced_browsing())
collect_all_workgroup_names_from_wins_server(t);
/*
* Go through the response record queue and time out or re-transmit
* and expired entries.
* (nmbd_packets.c)
*/
retransmit_or_expire_response_records(t);
/*
* check to see if any remote browse sync child processes have completed
*/
sync_check_completion();
/*
* regularly sync with any other DMBs we know about
*/
if (lp_enhanced_browsing())
sync_all_dmbs(t);
/* check for new network interfaces */
reload_interfaces(t);
/* free up temp memory */
TALLOC_FREE(frame);
}
}