Exemplo n.º 1
0
void drawMainscreen(void) {
	
	set_font(SMALLFONT);
	lcd_fill(0);
	draw_logo();
	
	draw_block(0, 0, 99, 9, 3, DRAW_ERASE);
	draw_string(0,0,getSetName(irDevTab.device[irDevTab.active].encoder, irDevTab.device[irDevTab.active].set), 3, DRAW_PUT);
	
	printTime(86,152,(struct time_ *)&time);
	printDate(0,152,(struct date_ *)&date,0);
	
	showBat();
}
void ShardingInitializationMongoD::initializeFromShardIdentity(
    OperationContext* opCtx, const ShardIdentityType& shardIdentity) {
    invariant(serverGlobalParams.clusterRole == ClusterRole::ShardServer);
    invariant(opCtx->lockState()->isLocked());

    uassertStatusOKWithContext(
        shardIdentity.validate(),
        "Invalid shard identity document found when initializing sharding state");

    log() << "initializing sharding state with: " << shardIdentity;

    const auto& configSvrConnStr = shardIdentity.getConfigsvrConnectionString();

    auto const shardingState = ShardingState::get(opCtx);
    auto const shardRegistry = Grid::get(opCtx)->shardRegistry();

    stdx::unique_lock<stdx::mutex> ul(_initSynchronizationMutex);

    if (shardingState->enabled()) {
        uassert(40371, "", shardingState->shardId() == shardIdentity.getShardName());
        uassert(40372, "", shardingState->clusterId() == shardIdentity.getClusterId());

        auto prevConfigsvrConnStr = shardRegistry->getConfigServerConnectionString();
        uassert(40373, "", prevConfigsvrConnStr.type() == ConnectionString::SET);
        uassert(40374, "", prevConfigsvrConnStr.getSetName() == configSvrConnStr.getSetName());

        return;
    }

    auto initializationStatus = shardingState->initializationStatus();
    uassert(ErrorCodes::ManualInterventionRequired,
            str::stream() << "Server's sharding metadata manager failed to initialize and will "
                             "remain in this state until the instance is manually reset"
                          << causedBy(*initializationStatus),
            !initializationStatus);

    try {
        _initFunc(opCtx, shardIdentity, generateDistLockProcessId(opCtx));
        shardingState->setInitialized(shardIdentity.getShardName().toString(),
                                      shardIdentity.getClusterId());
    } catch (const DBException& ex) {
        shardingState->setInitialized(ex.toStatus());
    }
}
StatusWith<boost::optional<ShardType>> ShardingCatalogManager::_checkIfShardExists(
    OperationContext* opCtx,
    const ConnectionString& proposedShardConnectionString,
    const std::string* proposedShardName,
    long long proposedShardMaxSize) {
    // Check whether any host in the connection is already part of the cluster.
    const auto existingShards = Grid::get(opCtx)->catalogClient()->getAllShards(
        opCtx, repl::ReadConcernLevel::kLocalReadConcern);
    if (!existingShards.isOK()) {
        return existingShards.getStatus().withContext(
            "Failed to load existing shards during addShard");
    }

    // Now check if this shard already exists - if it already exists *with the same options* then
    // the addShard request can return success early without doing anything more.
    for (const auto& existingShard : existingShards.getValue().value) {
        auto swExistingShardConnStr = ConnectionString::parse(existingShard.getHost());
        if (!swExistingShardConnStr.isOK()) {
            return swExistingShardConnStr.getStatus();
        }
        auto existingShardConnStr = std::move(swExistingShardConnStr.getValue());

        // Function for determining if the options for the shard that is being added match the
        // options of an existing shard that conflicts with it.
        auto shardsAreEquivalent = [&]() {
            if (proposedShardName && *proposedShardName != existingShard.getName()) {
                return false;
            }
            if (proposedShardConnectionString.type() != existingShardConnStr.type()) {
                return false;
            }
            if (proposedShardConnectionString.type() == ConnectionString::SET &&
                proposedShardConnectionString.getSetName() != existingShardConnStr.getSetName()) {
                return false;
            }
            if (proposedShardMaxSize != existingShard.getMaxSizeMB()) {
                return false;
            }
            return true;
        };

        if (existingShardConnStr.type() == ConnectionString::SET &&
            proposedShardConnectionString.type() == ConnectionString::SET &&
            existingShardConnStr.getSetName() == proposedShardConnectionString.getSetName()) {
            // An existing shard has the same replica set name as the shard being added.
            // If the options aren't the same, then this is an error,
            // but if the options match then the addShard operation should be immediately
            // considered a success and terminated.
            if (shardsAreEquivalent()) {
                return {existingShard};
            } else {
                return {ErrorCodes::IllegalOperation,
                        str::stream() << "A shard already exists containing the replica set '"
                                      << existingShardConnStr.getSetName()
                                      << "'"};
            }
        }

        for (const auto& existingHost : existingShardConnStr.getServers()) {
            // Look if any of the hosts in the existing shard are present within the shard trying
            // to be added.
            for (const auto& addingHost : proposedShardConnectionString.getServers()) {
                if (existingHost == addingHost) {
                    // At least one of the hosts in the shard being added already exists in an
                    // existing shard.  If the options aren't the same, then this is an error,
                    // but if the options match then the addShard operation should be immediately
                    // considered a success and terminated.
                    if (shardsAreEquivalent()) {
                        return {existingShard};
                    } else {
                        return {ErrorCodes::IllegalOperation,
                                str::stream() << "'" << addingHost.toString() << "' "
                                              << "is already a member of the existing shard '"
                                              << existingShard.getHost()
                                              << "' ("
                                              << existingShard.getName()
                                              << ")."};
                    }
                }
            }
        }

        if (proposedShardName && *proposedShardName == existingShard.getName()) {
            // If we get here then we're trying to add a shard with the same name as an existing
            // shard, but there was no overlap in the hosts between the existing shard and the
            // proposed connection string for the new shard.
            return {ErrorCodes::IllegalOperation,
                    str::stream() << "A shard named " << *proposedShardName << " already exists"};
        }
    }

    return {boost::none};
}