struct trackDb *hubCollectTracks( char *database, struct grp **pGroupList)
/* Generate trackDb structures for all the tracks in attached hubs.
* Make grp structures for each hub. Returned group list is reversed. */
{
// return the cached copy if it exists
static struct trackDb *hubTrackDbs;
static struct grp *hubGroups;
if (hubTrackDbs != NULL)
{
if (pGroupList != NULL)
*pGroupList = hubGroups;
return hubTrackDbs;
}
struct hubConnectStatus *hub, *hubList = hubConnectGetHubs();
struct trackDb *tdbList = NULL;
for (hub = hubList; hub != NULL; hub = hub->next)
{
if (isEmpty(hub->errorMessage))
{
/* error catching in so it won't just abort */
struct errCatch *errCatch = errCatchNew();
if (errCatchStart(errCatch))
{
struct trackDb *thisList = hubAddTracks(hub, database);
tdbList = slCat(tdbList, thisList);
}
errCatchEnd(errCatch);
if (errCatch->gotError)
{
warn("%s", errCatch->message->string);
hubUpdateStatus( errCatch->message->string, hub);
}
else
{
if (!trackHubDatabase(database))
{
struct grp *grp = grpFromHub(hub);
slAddHead(&hubGroups, grp);
}
hubUpdateStatus(NULL, hub);
}
errCatchFree(&errCatch);
}
}
hubTrackDbs = tdbList;
if (pGroupList != NULL)
*pGroupList = hubGroups;
return tdbList;
}
static void checkTrackDbs(struct hubConnectStatus *hubList)
{
struct hubConnectStatus *hub = hubList;
for(; hub; hub = hub->next)
{
struct errCatch *errCatch = errCatchNew();
if (errCatchStart(errCatch))
{
hubAddTracks(hub, database);
}
errCatchEnd(errCatch);
if (errCatch->gotError)
{
hub->errorMessage = cloneString(errCatch->message->string);
hubUpdateStatus( errCatch->message->string, hub);
}
else
hubUpdateStatus(NULL, hub);
}
}
