/* **************************************************************************** * * collectionRemove - */ bool collectionRemove ( const std::string& col, const BSONObj& q, std::string* err ) { TIME_STAT_MONGO_WRITE_WAIT_START(); DBClientBase* connection = getMongoConnection(); if (connection == NULL) { TIME_STAT_MONGO_WRITE_WAIT_STOP(); LM_E(("Fatal Error (null DB connection)")); *err = "null DB connection"; return false; } LM_T(LmtMongo, ("remove() in '%s' collection: {%s}", col.c_str(), q.toString().c_str())); try { connection->remove(col.c_str(), q); releaseMongoConnection(connection); TIME_STAT_MONGO_WRITE_WAIT_STOP(); LM_I(("Database Operation Successful (remove: %s)", q.toString().c_str())); } catch (const std::exception &e) { releaseMongoConnection(connection); TIME_STAT_MONGO_WRITE_WAIT_STOP(); std::string msg = std::string("collection: ") + col.c_str() + " - remove(): " + q.toString() + " - exception: " + e.what(); *err = "Database Error (" + msg + ")"; LM_E((err->c_str())); return false; } catch (...) { releaseMongoConnection(connection); TIME_STAT_MONGO_WRITE_WAIT_STOP(); std::string msg = std::string("collection: ") + col.c_str() + " - remove(): " + q.toString() + " - exception: generic"; *err = "Database Error (" + msg + ")"; LM_E((err->c_str())); return false; } return true; }
JSBool mongo_remove(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){ uassert( "mongo_remove needs 2 arguments" , argc == 2 ); uassert( "2nd param to insert has to be an object" , JSVAL_IS_OBJECT( argv[1] ) ); DBClientBase * conn = getConnection( cx, obj ); uassert( "no connection!" , conn ); Convertor c( cx ); string ns = c.toString( argv[0] ); BSONObj o = c.toObject( argv[1] ); try { conn->remove( ns , o ); return JS_TRUE; } catch ( ... ){ JS_ReportError( cx , "error doing remove" ); return JS_FALSE; } }
/* **************************************************************************** * * mongoUnsubscribeContext - */ HttpStatusCode mongoUnsubscribeContext(UnsubscribeContextRequest* requestP, UnsubscribeContextResponse* responseP, const std::string& tenant) { bool reqSemTaken; BSONObj sub; DBClientBase* connection = NULL; reqSemTake(__FUNCTION__, "ngsi10 unsubscribe request", SemWriteOp, &reqSemTaken); LM_T(LmtMongo, ("Unsubscribe Context")); /* No matter if success or failure, the subscriptionId in the response is always the one * in the request */ responseP->subscriptionId = requestP->subscriptionId; if (responseP->subscriptionId.get() == "") { responseP->statusCode.fill(SccContextElementNotFound); LM_W(("Bad Input (no subscriptionId)")); return SccOk; } LM_T(LmtMongo, ("findOne() in '%s' collection _id '%s'}", getSubscribeContextCollectionName(tenant).c_str(), requestP->subscriptionId.get().c_str())); /* Look for document */ connection = getMongoConnection(); try { OID id = OID(requestP->subscriptionId.get()); sub = connection->findOne(getSubscribeContextCollectionName(tenant).c_str(), BSON("_id" << id)); releaseMongoConnection(connection); LM_I(("Database Operation Successful (findOne _id: %s)", id.toString().c_str())); } catch (const AssertionException &e) { releaseMongoConnection(connection); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (mongo assertion exception)", reqSemTaken); // // This happens when OID format is wrong // FIXME: this checking should be done at parsing stage, without progressing to // mongoBackend. By the moment we can live this here, but we should remove in the future // (old issue #95) // responseP->statusCode.fill(SccContextElementNotFound); LM_W(("Bad Input (invalid OID format)")); return SccOk; } catch (const DBException &e) { releaseMongoConnection(connection); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (mongo db exception)", reqSemTaken); responseP->statusCode.fill(SccReceiverInternalError, std::string("collection: ") + getSubscribeContextCollectionName(tenant).c_str() + " - findOne() _id: " + requestP->subscriptionId.get() + " - exception: " + e.what()); LM_E(("Database Error (%s)", responseP->statusCode.details.c_str())); return SccOk; } catch (...) { releaseMongoConnection(connection); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (mongo generic exception)", reqSemTaken); responseP->statusCode.fill(SccReceiverInternalError, std::string("collection: ") + getSubscribeContextCollectionName(tenant).c_str() + " - findOne() _id: " + requestP->subscriptionId.get() + " - exception: " + "generic"); LM_E(("Database Error (%s)", responseP->statusCode.details.c_str())); return SccOk; } if (sub.isEmpty()) { reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (no subscriptions found)", reqSemTaken); responseP->statusCode.fill(SccContextElementNotFound, std::string("subscriptionId: /") + requestP->subscriptionId.get() + "/"); return SccOk; } /* Remove document in MongoDB */ // FIXME: I will prefer to do the find and remove in a single operation. Is the some similar // to findAndModify for this? LM_T(LmtMongo, ("remove() in '%s' collection _id '%s'}", getSubscribeContextCollectionName(tenant).c_str(), requestP->subscriptionId.get().c_str())); connection = getMongoConnection(); try { connection->remove(getSubscribeContextCollectionName(tenant).c_str(), BSON("_id" << OID(requestP->subscriptionId.get()))); releaseMongoConnection(connection); LM_I(("Database Operation Successful (remove _id: %s)", requestP->subscriptionId.get().c_str())); } catch (const DBException &e) { releaseMongoConnection(connection); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (mongo db exception)", reqSemTaken); responseP->statusCode.fill(SccReceiverInternalError, std::string("collection: ") + getSubscribeContextCollectionName(tenant).c_str() + " - remove() _id: " + requestP->subscriptionId.get().c_str() + " - exception: " + e.what()); LM_E(("Database Error (%s)", responseP->statusCode.details.c_str())); return SccOk; } catch (...) { releaseMongoConnection(connection); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request (mongo generic exception)", reqSemTaken); responseP->statusCode.fill(SccReceiverInternalError, std::string("collection: ") + getSubscribeContextCollectionName(tenant).c_str() + " - remove() _id: " + requestP->subscriptionId.get().c_str() + " - exception: " + "generic"); LM_E(("Database Error (%s)", responseP->statusCode.details.c_str())); return SccOk; } /* Destroy any previous ONTIMEINTERVAL thread */ getNotifier()->destroyOntimeIntervalThreads(requestP->subscriptionId.get()); responseP->statusCode.fill(SccOk); reqSemGive(__FUNCTION__, "ngsi10 unsubscribe request", reqSemTaken); // // Removing subscription from cache // subCache->remove(tenant, "", requestP->subscriptionId.get()); return SccOk; }