SQLitePersistedObjectSet::UpdateResult SQLitePersistedObjectSet::performUpdate(const UUID& internal_id, const String& script_type, const String& script_args, const String& script_contents, RequestCallback cb) {
SQLitePersistedObjectSet::UpdateResult result = SUCCESS;
bool success = true;
int rc;
char* remain;
String value_insert;
value_insert = "INSERT OR REPLACE INTO ";
value_insert += "\"" TABLE_NAME "\"";
value_insert += " (object, script_type, script_args, script_contents) VALUES(?, ?, ?, ?)";
sqlite3_stmt* value_insert_stmt;
rc = sqlite3_prepare_v2(mDB->db(), value_insert.c_str(), -1, &value_insert_stmt, (const char**)&remain);
success = success && !checkSQLiteError(rc, "Error preparing value insert statement");
String id_str = internal_id.rawHexData();
rc = sqlite3_bind_text(value_insert_stmt, 1, id_str.c_str(), (int)id_str.size(), SQLITE_TRANSIENT);
success = success && !checkSQLiteError(rc, "Error binding object internal ID to value insert statement");
rc = sqlite3_bind_text(value_insert_stmt, 2, script_type.c_str(), (int)script_type.size(), SQLITE_TRANSIENT);
success = success && !checkSQLiteError(rc, "Error binding script_type name to value insert statement");
rc = sqlite3_bind_blob(value_insert_stmt, 3, script_args.c_str(), (int)script_args.size(), SQLITE_TRANSIENT);
success = success && !checkSQLiteError(rc, "Error binding script_args to value insert statement");
rc = sqlite3_bind_blob(value_insert_stmt, 4, script_contents.c_str(), (int)script_contents.size(), SQLITE_TRANSIENT);
success = success && !checkSQLiteError(rc, "Error binding script_contents to value insert statement");
int step_rc = SQLITE_OK;
while(step_rc == SQLITE_OK) {
step_rc = sqlite3_step(value_insert_stmt);
}
if (step_rc != SQLITE_OK && step_rc != SQLITE_DONE) {
success = false;
sqlite3_reset(value_insert_stmt); // allow this to be cleaned
// up
if (step_rc == SQLITE_LOCKED || step_rc == SQLITE_BUSY)
result = LOCK_ERROR;
else
SILOG(sqlite-persisted-object-set, error, "Update failed: " << SQLite::resultAsString(step_rc));
}
rc = sqlite3_finalize(value_insert_stmt);
success = success && !checkSQLiteError(rc, "Error finalizing value insert statement");
if (!success && result == SUCCESS)
result = TRANSACTION_ERROR;
return result;
}
void SQLitePersistedObjectSet::performUpdate(const UUID& internal_id, const String& script_type, const String& script_args, const String& script_contents, RequestCallback cb) {
bool success = true;
int rc;
char* remain;
String value_insert;
value_insert = "INSERT OR REPLACE INTO ";
value_insert += "\"" TABLE_NAME "\"";
value_insert += " (object, script_type, script_args, script_contents) VALUES(?, ?, ?, ?)";
sqlite3_stmt* value_insert_stmt;
rc = sqlite3_prepare_v2(mDB->db(), value_insert.c_str(), -1, &value_insert_stmt, (const char**)&remain);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error preparing value insert statement");
String id_str = internal_id.rawHexData();
rc = sqlite3_bind_text(value_insert_stmt, 1, id_str.c_str(), (int)id_str.size(), SQLITE_TRANSIENT);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error binding object internal ID to value insert statement");
rc = sqlite3_bind_text(value_insert_stmt, 2, script_type.c_str(), (int)script_type.size(), SQLITE_TRANSIENT);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error binding script_type name to value insert statement");
rc = sqlite3_bind_blob(value_insert_stmt, 3, script_args.c_str(), (int)script_args.size(), SQLITE_TRANSIENT);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error binding script_args to value insert statement");
rc = sqlite3_bind_blob(value_insert_stmt, 4, script_contents.c_str(), (int)script_contents.size(), SQLITE_TRANSIENT);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error binding script_contents to value insert statement");
int step_rc = SQLITE_OK;
while(step_rc == SQLITE_OK) {
step_rc = sqlite3_step(value_insert_stmt);
}
if (step_rc != SQLITE_OK && step_rc != SQLITE_DONE) {
success = false;
sqlite3_reset(value_insert_stmt); // allow this to be cleaned
// up
}
rc = sqlite3_finalize(value_insert_stmt);
success = success && !SQLite::check_sql_error(mDB->db(), rc, NULL, "Error finalizing value insert statement");
if (cb != 0)
mContext->mainStrand->post(std::tr1::bind(cb, success), "SQLitePersistedObjectSet::performUpdate callback");
}
void CraqObjectSegmentation::convert_obj_id_to_dht_key(const UUID& obj_id, CraqDataKey& returner) const
{
returner[0] = myUniquePrefixKey;
strncpy(returner+1,obj_id.rawHexData().c_str(),obj_id.rawHexData().size() + 1);
}
void CraqObjectSegmentation::beginCraqLookup(const UUID& obj_id, OSegLookupTraceToken* traceToken)
{
--mOSegQueueLen;
if (mStopping)
{
delete traceToken;
return;
}
traceToken->stamp(OSegLookupTraceToken::OSEG_TRACE_CRAQ_LOOKUP_BEGIN);
UUID tmper = obj_id;
InTransitMap::const_iterator iter = mInTransitOrLookup.find(tmper);
if (iter == mInTransitOrLookup.end()) //means that the object isn't already being looked up and the object isn't already in transit
{
//Duration beginCraqLookupNotAlreadyLookingUpDur = Time::local() - Time::epoch();
//traceToken->craqLookupNotAlreadyLookingUpBegin = beginCraqLookupNotAlreadyLookingUpDur.toMicroseconds();
traceToken->stamp(OSegLookupTraceToken::OSEG_TRACE_CRAQ_LOOKUP_NOT_ALREADY_LOOKING_UP_BEGIN);
//if object is not in transit, lookup its location in the dht. returns -1 if object doesn't exist.
//add the mapping of a craqData Key to a uuid.
++numCraqLookups;
std::string indexer = "";
indexer.append(1,myUniquePrefixKey);
indexer.append(tmper.rawHexData());
CraqDataSetGet cdSetGet (indexer,CraqEntry::null(),false,CraqDataSetGet::GET); //bftm modified
mapDataKeyToUUID[indexer] = tmper; //changed here.
CONTEXT_SPACETRACE(objectSegmentationCraqLookupRequest,
obj_id,
mContext->id());
++numLookingUpDebug;
//puts object in transit or lookup.
//Duration timerDur = Time::local() - Time::epoch();
TransLookup tmpTransLookup;
tmpTransLookup.sID = CraqEntry::null(); //means that we're performing a lookup, rather than a migrate.
//tmpTransLookup.timeAdmitted = (int)timerDur.toMilliseconds();
tmpTransLookup.timeAdmitted = 0;
mInTransitOrLookup[tmper] = tmpTransLookup; //just says that we are performing a lookup on the object
traceToken->stamp(OSegLookupTraceToken::OSEG_TRACE_CRAQ_LOOKUP_END);
traceToken->stamp(OSegLookupTraceToken::OSEG_TRACE_CRAQ_LOOKUP_NOT_ALREADY_LOOKING_UP_END);
if ((numCraqLookups %2) == 0)
craqDhtGet1.get(cdSetGet,traceToken); //calling the craqDht to do a get
else
craqDhtGet2.get(cdSetGet,traceToken); //calling the craqDht to do a get.
}
else
{
++numAlreadyLookingUp;
traceToken->stamp(OSegLookupTraceToken::OSEG_TRACE_CRAQ_LOOKUP_END);
CONTEXT_SPACETRACE(osegCumulativeResponse, traceToken);
delete traceToken;
}
}
