SMPP: Implement ALERT NOTIFICATION on attach/detach of subscribers

This commit is contained in:
Harald Welte 2012-11-09 12:51:44 +01:00
parent 9ad0362429
commit 8a1b056bff
3 changed files with 78 additions and 2 deletions

View File

@ -238,6 +238,40 @@ static int smpp_sms_cb(unsigned int subsys, unsigned int signal,
return rc;
}
/*! \brief signal handler for subscriber related signals */
static int smpp_subscr_cb(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
struct gsm_subscriber *subscr = signal_data;
struct smsc *smsc = handler_data;
struct osmo_esme *esme;
uint8_t smpp_avail_status;
/* determine the smpp_avail_status depending on attach/detach */
switch (signal) {
case S_SUBSCR_ATTACHED:
smpp_avail_status = 0;
break;
case S_SUBSCR_DETACHED:
smpp_avail_status = 2;
break;
default:
return 0;
}
llist_for_each_entry(esme, &smsc->esme_list, list) {
/* we currently send an alert notification to each ESME that is
* connected, and do not require a (non-existant) delivery
* pending flag to be set before, FIXME: make this VTY
* configurable */
smpp_tx_alert(esme, TON_Subscriber_Number,
NPI_Land_Mobile_E212, subscr->imsi,
smpp_avail_status);
}
return 0;
}
/*! \brief Initialize the OpenBSC SMPP interface */
int smpp_openbsc_init(struct gsm_network *net, uint16_t port)
{
@ -251,7 +285,7 @@ int smpp_openbsc_init(struct gsm_network *net, uint16_t port)
talloc_free(smsc);
osmo_signal_register_handler(SS_SMS, smpp_sms_cb, net);
osmo_signal_register_handler(SS_SUBSCR, smpp_subscr_cb, smsc);
return rc;
}

View File

@ -341,11 +341,47 @@ int smpp_tx_submit_r(struct osmo_esme *esme, uint32_t sequence_nr,
submit_r.command_id = SUBMIT_SM_RESP;
submit_r.command_status = command_status;
submit_r.sequence_number= sequence_nr;
snprintf(submit_r.message_id, sizeof(submit_r.message_id), "%s", msg_id);
snprintf((char *) submit_r.message_id, sizeof(submit_r.message_id), "%s", msg_id);
return PACK_AND_SEND(esme, &submit_r);
}
static const struct value_string smpp_avail_strs[] = {
{ 0, "Available" },
{ 1, "Denied" },
{ 2, "Unavailable" },
{ 0, NULL }
};
/*! \brief send an ALERT_NOTIFICATION to a remote ESME */
int smpp_tx_alert(struct osmo_esme *esme, uint8_t ton, uint8_t npi,
const char *addr, uint8_t avail_status)
{
struct alert_notification_t alert;
struct tlv_t tlv;
memset(&alert, 0, sizeof(alert));
alert.command_length = 0;
alert.command_id = ALERT_NOTIFICATION;
alert.command_status = ESME_ROK;
alert.sequence_number = esme->own_seq_nr++;
alert.source_addr_ton = ton;
alert.source_addr_npi = npi;
snprintf(alert.source_addr, sizeof(alert.source_addr), "%s", addr);
tlv.tag = TLVID_ms_availability_status;
tlv.length = sizeof(uint8_t);
tlv.value.val08 = avail_status;
build_tlv(&alert.tlv, &tlv);
LOGP(DSMPP, LOGL_DEBUG, "[%s] Tx ALERT_NOTIFICATION (%s/%u/%u): %s\n",
esme->system_id, alert.source_addr, alert.source_addr_ton,
alert.source_addr_npi,
get_value_string(smpp_avail_strs, avail_status));
return PACK_AND_SEND(esme, &alert);
}
/*! \brief handle an incoming SMPP SUBMIT-SM */
static int smpp_handle_submit(struct osmo_esme *esme, struct msgb *msg)
{
@ -524,6 +560,7 @@ static int link_accept_cb(struct smsc *smsc, int fd,
return -ENOMEM;
smpp_esme_get(esme);
esme->own_seq_nr = rand();
esme->smsc = smsc;
osmo_wqueue_init(&esme->wqueue, 10);
esme->wqueue.bfd.fd = fd;

View File

@ -23,6 +23,8 @@ struct osmo_esme {
int use;
uint32_t own_seq_nr;
struct osmo_wqueue wqueue;
struct sockaddr_storage sa;
socklen_t sa_len;
@ -54,6 +56,9 @@ void smpp_esme_put(struct osmo_esme *esme);
int smpp_tx_submit_r(struct osmo_esme *esme, uint32_t sequence_nr,
uint32_t command_status, char *msg_id);
int smpp_tx_alert(struct osmo_esme *esme, uint8_t ton, uint8_t npi,
const char *addr, uint8_t avail_status);
int handle_smpp_submit(struct osmo_esme *esme, struct submit_sm_t *submit,
struct submit_sm_resp_t *submit_r);