Remove dead tracking code related to the removed PlanePlotter feed.

This commit is contained in:
Oliver Jowett 2015-01-04 20:09:38 +00:00
parent 76474f58ab
commit 43ec58c78e
5 changed files with 1 additions and 105 deletions

View file

@ -41,87 +41,7 @@ static uint64_t mstime(void) {
mst += tv.tv_usec/1000;
return mst;
}
//
//=========================================================================
//
// Add a new DF structure to the interactive mode linked list
//
void interactiveCreateDF(struct aircraft *a, struct modesMessage *mm) {
struct stDF *pDF = (struct stDF *) malloc(sizeof(*pDF));
if (pDF) {
// Default everything to zero/NULL
memset(pDF, 0, sizeof(*pDF));
// Now initialise things
pDF->seen = a->seen;
pDF->llTimestamp = mm->timestampMsg;
pDF->addr = mm->addr;
pDF->pAircraft = a;
memcpy(pDF->msg, mm->msg, MODES_LONG_MSG_BYTES);
if (!pthread_mutex_lock(&Modes.pDF_mutex)) {
if ((pDF->pNext = Modes.pDF)) {
Modes.pDF->pPrev = pDF;
}
Modes.pDF = pDF;
pthread_mutex_unlock(&Modes.pDF_mutex);
} else {
free(pDF);
}
}
}
//
// Remove stale DF's from the interactive mode linked list
//
void interactiveRemoveStaleDF(time_t now) {
struct stDF *pDF = NULL;
struct stDF *prev = NULL;
// Only fiddle with the DF list if we gain possession of the mutex
// If we fail to get the mutex we'll get another chance to tidy the
// DF list in a second or so.
if (!pthread_mutex_trylock(&Modes.pDF_mutex)) {
pDF = Modes.pDF;
while(pDF) {
if ((now - pDF->seen) > Modes.interactive_delete_ttl) {
if (Modes.pDF == pDF) {
Modes.pDF = NULL;
} else {
prev->pNext = NULL;
}
// All DF's in the list from here onwards will be time
// expired, so delete them all
while (pDF) {
prev = pDF; pDF = pDF->pNext;
free(prev);
}
} else {
prev = pDF; pDF = pDF->pNext;
}
}
pthread_mutex_unlock (&Modes.pDF_mutex);
}
}
struct stDF *interactiveFindDF(uint32_t addr) {
struct stDF *pDF = NULL;
if (!pthread_mutex_lock(&Modes.pDF_mutex)) {
pDF = Modes.pDF;
while(pDF) {
if (pDF->addr == addr) {
pthread_mutex_unlock (&Modes.pDF_mutex);
return (pDF);
}
pDF = pDF->pNext;
}
pthread_mutex_unlock (&Modes.pDF_mutex);
}
return (NULL);
}
//
//========================= Interactive mode ===============================
//
@ -396,11 +316,6 @@ struct aircraft *interactiveReceiveData(struct modesMessage *mm) {
}
}
// If we are Logging DF's, and it's not a Mode A/C
if ((Modes.bEnableDFLogging) && (mm->msgtype < 32)) {
interactiveCreateDF(a,mm);
}
return (a);
}
//
@ -539,8 +454,6 @@ void interactiveRemoveStaleAircrafts(void) {
if (Modes.last_cleanup_time != now) {
Modes.last_cleanup_time = now;
interactiveRemoveStaleDF(now);
while(a) {
if ((now - a->seen) > Modes.interactive_delete_ttl) {
// Remove the element from the linked list, with care