diff options
author | Holger Hans Peter Freyther <zecke@selfish.org> | 2011-08-16 19:47:39 +0200 |
---|---|---|
committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2013-01-15 13:52:00 +0100 |
commit | 2a896070a744327968770d3f9c23e6e5410f6f57 (patch) | |
tree | a36002e6b255b3dd5e0cc3cc3b6937abd57e2736 /openbsc/src/libbsc/bsc_rf_ctrl.c | |
parent | 036b25fb7fccd6bb99f0f539bb42ef6e2155bed2 (diff) |
bsc: Auto RF Off in case of missing MSC connection
For short IP failures we want the RF to stay up and wait for
the re-connect but in case the A-link is gone too long it is
good to switch off the RF and wait for commands to enable it
again.
Diffstat (limited to 'openbsc/src/libbsc/bsc_rf_ctrl.c')
-rw-r--r-- | openbsc/src/libbsc/bsc_rf_ctrl.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/openbsc/src/libbsc/bsc_rf_ctrl.c b/openbsc/src/libbsc/bsc_rf_ctrl.c index 89a0246b0..87bf39de5 100644 --- a/openbsc/src/libbsc/bsc_rf_ctrl.c +++ b/openbsc/src/libbsc/bsc_rf_ctrl.c @@ -366,6 +366,53 @@ static int rf_ctrl_accept(struct osmo_fd *bfd, unsigned int what) return 0; } +static void rf_auto_off_cb(void *_timer) +{ + struct osmo_bsc_rf *rf = _timer; + + LOGP(DLINP, LOGL_NOTICE, + "Going to switch off RF due lack of a MSC connection.\n"); + osmo_bsc_rf_schedule_lock(rf, RF_CMD_D_OFF); +} + +static int msc_signal_handler(unsigned int subsys, unsigned int signal, + void *handler_data, void *signal_data) +{ + struct gsm_network *net; + struct msc_signal_data *msc; + struct osmo_bsc_rf *rf; + + /* check if we want to handle this signal */ + if (subsys != SS_MSC) + return 0; + + net = handler_data; + msc = signal_data; + + /* check if we have the needed information */ + if (!net->bsc_data || !net->bsc_data->rf_ctrl) + return 0; + if (msc->data->type != MSC_CON_TYPE_NORMAL) + return 0; + + rf = net->bsc_data->rf_ctrl; + switch (signal) { + case S_MSC_LOST: + if (net->bsc_data->auto_off_timeout < 0) + return 0; + if (osmo_timer_pending(&rf->auto_off_timer)) + return 0; + osmo_timer_schedule(&rf->auto_off_timer, + net->bsc_data->auto_off_timeout, 0); + break; + case S_MSC_CONNECTED: + osmo_timer_del(&rf->auto_off_timer); + break; + } + + return 0; +} + struct osmo_bsc_rf *osmo_bsc_rf_create(const char *path, struct gsm_network *net) { unsigned int namelen; @@ -444,6 +491,12 @@ struct osmo_bsc_rf *osmo_bsc_rf_create(const char *path, struct gsm_network *net rf->delay_cmd.data = rf; rf->delay_cmd.cb = rf_delay_cmd_cb; + rf->auto_off_timer.data = rf; + rf->auto_off_timer.cb = rf_auto_off_cb; + + /* listen to RF signals */ + osmo_signal_register_handler(SS_MSC, msc_signal_handler, net); + return rf; } |