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Add the scenery paths to the DB, and check them.

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When the scenery paths change, we need to rebuild the nab-cache, since Airports/ data may have changed - e.g. someone installing custom scenery with updated ILS / thresholds.
This commit is contained in:
James Turner 2012-11-27 18:17:59 +00:00
parent c8996d86b8
commit 6365ad5dae
1 changed files with 24 additions and 4 deletions
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28
src/Navaids/NavDataCache.cxx
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@ -70,7 +70,7 @@ using std::string;
namespace {
const int SCHEMA_VERSION = 5;
const int SCHEMA_VERSION = 6;
// bind a std::string to a sqlite statement. The std::string must live the
// entire duration of the statement execution - do not pass a temporary
@ -232,8 +232,8 @@ public:
}
readPropertyQuery = prepare("SELECT value FROM properties WHERE key=?");
writePropertyQuery = prepare("INSERT OR REPLACE INTO properties "
"(key, value) VALUES (?,?)");
writePropertyQuery = prepare("INSERT INTO properties (key, value) VALUES (?,?)");
clearProperty = prepare("DELETE FROM properties WHERE key=?1");
if (didCreate) {
writeIntProperty("schema-version", SCHEMA_VERSION);
@ -507,7 +507,6 @@ public:
void prepareQueries()
{
clearProperty = prepare("DELETE FROM properties WHERE key=?1");
writePropertyMulti = prepare("INSERT INTO properties (key, value) VALUES(?1,?2)");
#define POSITIONED_COLS "rowid, type, ident, name, airport, lon, lat, elev_m, octree_node"
@ -668,6 +667,10 @@ public:
void writeIntProperty(const string& key, int value)
{
reset(clearProperty);
sqlite_bind_stdstring(clearProperty, 1, key);
execUpdate(clearProperty);
sqlite_bind_stdstring(writePropertyQuery, 1, key);
sqlite3_bind_int(writePropertyQuery, 2, value);
execSelect(writePropertyQuery);
@ -1117,6 +1120,12 @@ bool NavDataCache::isRebuildRequired()
return true;
}
string sceneryPaths = simgear::strutils::join(globals->get_fg_scenery(), ";");
if (readStringProperty("scenery_paths") != sceneryPaths) {
SG_LOG(SG_NAVCACHE, SG_INFO, "NavCache: scenery paths changed, main cache rebuild required");
return true;
}
SG_LOG(SG_NAVCACHE, SG_INFO, "NavCache: no main cache rebuild required");
return false;
}
@ -1186,6 +1195,9 @@ void NavDataCache::doRebuild()
d->flushDeferredOctreeUpdates();
string sceneryPaths = simgear::strutils::join(globals->get_fg_scenery(), ";");
writeStringProperty("scenery_paths", sceneryPaths);
d->runSQL("COMMIT");
} catch (sg_exception& e) {
SG_LOG(SG_NAVCACHE, SG_ALERT, "caught exception rebuilding navCache:" << e.what());
@ -1238,6 +1250,10 @@ void NavDataCache::writeIntProperty(const string& key, int value)
void NavDataCache::writeStringProperty(const string& key, const string& value)
{
d->reset(d->clearProperty);
sqlite_bind_stdstring(d->clearProperty, 1, key);
d->execUpdate(d->clearProperty);
d->reset(d->writePropertyQuery);
sqlite_bind_stdstring(d->writePropertyQuery, 1, key);
sqlite_bind_stdstring(d->writePropertyQuery, 2, value);
@ -1246,6 +1262,10 @@ void NavDataCache::writeStringProperty(const string& key, const string& value)
void NavDataCache::writeDoubleProperty(const string& key, const double& value)
{
d->reset(d->clearProperty);
sqlite_bind_stdstring(d->clearProperty, 1, key);
d->execUpdate(d->clearProperty);
d->reset(d->writePropertyQuery);
sqlite_bind_stdstring(d->writePropertyQuery, 1, key);
sqlite3_bind_double(d->writePropertyQuery, 2, value);