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osmo-bsc
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msc: Send a signal when the connections to the MSC dropped 

Send a signal, this way another module can close all connections
to the MSC and all local channels.
This commit is contained in:
Holger Hans Peter Freyther 2010-09-16 02:30:36 +08:00
parent e09919bc70
commit 0d711632f2
2 changed files with 23 additions and 10 deletions
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14
openbsc/include/openbsc/signal.h
View File

@ -1,6 +1,7 @@
/* Generic signalling/notification infrastructure */
/* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009 by Harald Welte <laforge@gnumonks.org>
* (C) 2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
@ -45,6 +46,7 @@ enum signal_subsystems {
SS_NS,
SS_IPAC_NWL,
SS_RF,
SS_MSC,
};
/* SS_PAGING signals */
@ -180,4 +182,16 @@ struct ns_signal_data {
uint8_t cause;
};
/* MSC signals */
enum signal_msc {
S_MSC_LOST,
S_MSC_CONNECTED,
};
struct osmo_msc_data;
struct msc_signal_data {
struct osmo_msc_data *data;
};
#endif

19
openbsc/src/bsc/osmo_bsc_msc.c
View File

@ -26,7 +26,7 @@
#include <openbsc/gsm_data.h>
#include <openbsc/ipaccess.h>
#include <openbsc/osmo_msc_data.h>
#include <openbsc/signal.h>
#include <osmocore/gsm0808.h>
@ -274,6 +274,7 @@ static void msc_pong_timeout_cb(void *_data)
static void msc_connection_connected(struct bsc_msc_connection *con)
{
struct msc_signal_data sig;
struct osmo_msc_data *data;
int ret, on;
on = 1;
@ -283,6 +284,9 @@ static void msc_connection_connected(struct bsc_msc_connection *con)
data = (struct osmo_msc_data *) con->write_queue.bfd.data;
msc_ping_timeout_cb(con);
sig.data = data;
dispatch_signal(SS_MSC, S_MSC_CONNECTED, &sig);
}
/*
@ -291,23 +295,18 @@ static void msc_connection_connected(struct bsc_msc_connection *con)
*/
static void msc_connection_was_lost(struct bsc_msc_connection *msc)
{
struct msc_signal_data sig;
struct osmo_msc_data *data;
LOGP(DMSC, LOGL_ERROR, "Lost MSC connection. Freing stuff.\n");
#if 0
struct bss_sccp_connection_data *bss, *tmp;
llist_for_each_entry_safe(bss, tmp, &active_connections, active_connections) {
bss_force_close(bss);
}
#else
#warning "This needs to be ported..."
#endif
data = (struct osmo_msc_data *) msc->write_queue.bfd.data;
bsc_del_timer(&data->ping_timer);
bsc_del_timer(&data->pong_timer);
sig.data = data;
dispatch_signal(SS_MSC, S_MSC_LOST, &sig);
msc->is_authenticated = 0;
bsc_msc_schedule_connect(msc);
}