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Event mgmt pt II

This commit is contained in:
emanuel 2020-10-16 19:22:32 +01:00
parent 817bacca16
commit 0518f44b9f
4 changed files with 102 additions and 26 deletions
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2
src/cam.c
View File

@ -204,7 +204,7 @@ void *ca_service(void *fc) {
syslog_debug("[facilities] -> [transport] BDR (%ldB)", enc.encoded);
zmq_send(facilities->transport_socket, bdr_oer, enc.encoded, 0);
zmq_recv(facilities->transport_socket, &code, 1, 0);
sleep(1);
sleep(1000);
}
ASN_STRUCT_FREE(asn_DEF_BTPDataRequest, bdr);

74
src/denm.c
View File

@ -14,10 +14,9 @@
#define syslog_debug(msg, ...)
#endif
enum EVENT_CHECK_RESULT event_check(den_t *den, DENM_t *denm) {
static enum EVENT_CHECK_RESULT event_check(den_t *den, DENM_t *denm) {
int rv = 0;
uint64_t e_detection_time, e_reference_time;
asn_INTEGER2ulong((INTEGER_t*) &denm->denm.management.detectionTime, &e_detection_time);
asn_INTEGER2ulong((INTEGER_t*) &denm->denm.management.referenceTime, &e_reference_time);
@ -55,11 +54,11 @@ enum EVENT_CHECK_RESULT event_check(den_t *den, DENM_t *denm) {
for (int i = 0; i < den->no_max_events; ++i) {
if (den->events[i]->enabled) {
if (den->events[i]->station_id == denm->denm.management.actionID.originatingStationID &&
den->events[i]->sn == denm->denm.management.actionID.sequenceNumber) {
den->events[i]->sn == denm->denm.management.actionID.sequenceNumber) {
is_new = false;
if (den->events[i]->reference_time < e_reference_time ||
den->events[i]->detection_time < e_detection_time) {
den->events[i]->detection_time < e_detection_time) {
is_update = true;
}
@ -102,7 +101,7 @@ enum EVENT_CHECK_RESULT event_check(den_t *den, DENM_t *denm) {
return EVENT_NEW;
}
int event_add(den_t *den, DENM_t *denm) {
static int event_add(den_t *den, DENM_t *denm) {
struct timespec systemtime;
clock_gettime(CLOCK_REALTIME, &systemtime);
@ -165,7 +164,7 @@ int event_add(den_t *den, DENM_t *denm) {
else return 0; // Event added to db
}
int event_update(den_t *den, DENM_t *denm) {
static int event_update(den_t *den, DENM_t *denm) {
struct timespec systemtime;
clock_gettime(CLOCK_REALTIME, &systemtime);
@ -191,7 +190,7 @@ int event_update(den_t *den, DENM_t *denm) {
for (int i = 0; i < den->no_max_events; ++i) {
if (den->events[i]->enabled) {
if (den->events[i]->station_id == denm->denm.management.actionID.originatingStationID &&
den->events[i]->sn == denm->denm.management.actionID.sequenceNumber) {
den->events[i]->sn == denm->denm.management.actionID.sequenceNumber) {
index = i;
break;
}
@ -222,6 +221,63 @@ int event_update(den_t *den, DENM_t *denm) {
else return 0; // Event updated
}
void event_manage(den_t *den, DENM_t *denm) {
int rv;
switch (event_check(den, denm)) {
case EVENT_NEW:
rv = event_add(den, denm);
syslog_debug("[facilities] [den] new event received");
if (rv) {
syslog_debug("[facilities] [den] failed adding event, max events reached");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
rv = 1;
}
break;
case EVENT_INVALID:
syslog_debug("[facilities] [den] invalid event received, ignoring");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
break;
case EVENT_PASSED:
syslog_debug("[facilities] [den] old event received, ignoring");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
break;
case EVENT_CANCELLATION:
syslog_debug("[facilities] [den] event cancellation received");
rv = event_update(den, denm);
if (rv) {
syslog_debug("[facilities] [den] failed cancelling event, event not found");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
rv = 1;
}
break;
case EVENT_NEGATION:
syslog_debug("[facilities] [den] event negation received");
rv = event_update(den, denm);
if (rv) {
syslog_debug("[facilities] [den] failed negating event, event not found");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
rv = 1;
}
break;
case EVENT_UPDATE:
syslog_debug("[facilities] [den] event update received");
rv = event_update(den, denm);
if (rv) {
syslog_debug("[facilities] [den] failed updating event, event not found");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
}
break;
case EVENT_REPEATED:
syslog_debug("[facilities] [den] repeated event received, ignoring");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
break;
case EVENT_NUMBER_EXCEEDED:
syslog_debug("[facilities] [den] max events reached, ignoring");
ASN_STRUCT_FREE(asn_DEF_DENM, denm);
break;
}
}
void* den_service(void *fc) {
facilities_t *facilities = (facilities_t *) fc;
@ -231,7 +287,7 @@ void* den_service(void *fc) {
den_t *den = facilities->den;
pthread_mutex_init(&den->lock, NULL);
den->no_max_events = 32;
den->events = malloc(den->no_max_events * sizeof(void*));
@ -245,7 +301,7 @@ void* den_service(void *fc) {
now = now - 1072915200000; // Convert EPOCH to 2004/01/01 00:00:000
active = 0, cancelled = 0, negated = 0;
pthread_mutex_lock(&den->lock);
for (int i = 0; i < den->no_max_events; ++i) {
if (den->events[i]->enabled) {

11
src/denm.h
View File

@ -30,7 +30,7 @@ typedef struct event {
typedef struct den {
event_t ** events;
uint32_t sn;
uint16_t no_active_events;
uint16_t no_stored_events;
uint16_t no_max_events;
pthread_mutex_t lock;
} den_t;
@ -46,7 +46,14 @@ enum EVENT_CHECK_RESULT {
EVENT_NUMBER_EXCEEDED
};
enum EVENT_CHECK_RESULT check_event(den_t *den, DENM_t *denm);
/**
* Evaluate a DENM event.
* Does all the checks to a DENM and adds it to the database. *Don't* free the DENM struct after calling this function
* @param den the DEN service struct
* @param denm the DENM to evaluate
* @return none
*/
void event_manage(den_t *den, DENM_t *denm);
void* den_service(void *fc);

41
src/facilities.c
View File

@ -46,38 +46,51 @@ static int transport_indication(facilities_t *facilities, uint8_t *msg, uint32_t
syslog_debug("[facilities] <- BDI (%ldB)", bdi->data.size);
// Parse message
asn_TYPE_descriptor_t *msg_descriptor;
void *msg_struct;
asn_TYPE_descriptor_t *its_msg_descriptor;
void *its_msg;
switch (bdi->destinationPort) {
case Port_cam:
msg_descriptor = &asn_DEF_CAM;
msg_struct = calloc(1, sizeof(CAM_t));
its_msg_descriptor = &asn_DEF_CAM;
its_msg = calloc(1, sizeof(CAM_t));
break;
case Port_denm:
msg_descriptor = &asn_DEF_DENM;
msg_struct = calloc(1, sizeof(DENM_t));
its_msg_descriptor = &asn_DEF_DENM;
its_msg = calloc(1, sizeof(DENM_t));
break;
case Port_ivim:
msg_descriptor = &asn_DEF_IVIM;
msg_struct = calloc(1, sizeof(IVIM_t));
its_msg_descriptor = &asn_DEF_IVIM;
its_msg = calloc(1, sizeof(IVIM_t));
break;
default:
syslog_debug("[facilities] messsage with unhandled BTP port received, ignoring");
goto cleanup;
}
dec = uper_decode_complete(NULL, msg_descriptor, (void**) msg_struct, bdi->data.buf, bdi->data.size);
dec = uper_decode_complete(NULL, its_msg_descriptor, (void**) &its_msg, bdi->data.buf, bdi->data.size);
if (dec.code) {
syslog_debug("[facilities] invalid %s received", msg_descriptor->name);
syslog_debug("[facilities] invalid %s received", its_msg_descriptor->name);
rv = 1;
goto cleanup;
}
// Manage message
if (bdi->destinationPort == Port_denm) {
#ifdef DEBUG
uint8_t* xml_denm = malloc(4096);
asn_enc_rval_t rve = xer_encode_to_buffer(xml_denm, 4096, 0x02, &asn_DEF_DENM, its_msg);
syslog_debug("DENM XER %d: %.*s", (int)rve.encoded, (int)rve.encoded , xml_denm);
free(xml_denm);
#endif
event_manage(facilities->den, its_msg);
}
// Forward to app
fdi = calloc(1, sizeof(FacilitiesDataIndication_t));
fdi->itssMessageType = bdi->destinationPort;
fdi->data.size = bdi->data.size;
fdi->data.buf = malloc(bdi->data.size);
memcpy(fdi->data.buf, bdi->data.buf, bdi->data.size);
@ -90,9 +103,9 @@ static int transport_indication(facilities_t *facilities, uint8_t *msg, uint32_t
zmq_recv(facilities->app_socket, &code, 1, 0);
cleanup:
if (bdi->destinationPort != Port_denm) ASN_STRUCT_FREE(*its_msg_descriptor, its_msg);
ASN_STRUCT_FREE(asn_DEF_BTPDataIndication, bdi);
ASN_STRUCT_FREE(asn_DEF_FacilitiesDataIndication, fdi);
ASN_STRUCT_FREE(*msg_descriptor, msg_struct);
return rv;
}
@ -109,7 +122,7 @@ int main() {
facilities.app_socket = zmq_socket(context, ZMQ_REQ);
rc = zmq_connect(facilities.app_socket, "ipc:///tmp/itss/application");
facilities.transport_socket = zmq_socket(context, ZMQ_REQ);
rc = zmq_connect(facilities.transport_socket, "ipc:///tmp/itss/transport");