| <?php |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package thrift.transport |
| */ |
| |
| namespace Thrift\Transport; |
| |
| use Thrift\Factory\TStringFuncFactory; |
| |
| /** |
| * Base interface for a transport agent. |
| * |
| * @package thrift.transport |
| */ |
| abstract class TTransport { |
| |
| /** |
| * Whether this transport is open. |
| * |
| * @return boolean true if open |
| */ |
| public abstract function isOpen(); |
| |
| /** |
| * Open the transport for reading/writing |
| * |
| * @throws TTransportException if cannot open |
| */ |
| public abstract function open(); |
| |
| /** |
| * Close the transport. |
| */ |
| public abstract function close(); |
| |
| /** |
| * Read some data into the array. |
| * |
| * @param int $len How much to read |
| * @return string The data that has been read |
| * @throws TTransportException if cannot read any more data |
| */ |
| public abstract function read($len); |
| |
| /** |
| * Guarantees that the full amount of data is read. |
| * |
| * @return string The data, of exact length |
| * @throws TTransportException if cannot read data |
| */ |
| public function readAll($len) { |
| // return $this->read($len); |
| |
| $data = ''; |
| $got = 0; |
| while (($got = TStringFuncFactory::create()->strlen($data)) < $len) { |
| $data .= $this->read($len - $got); |
| } |
| return $data; |
| } |
| |
| /** |
| * Writes the given data out. |
| * |
| * @param string $buf The data to write |
| * @throws TTransportException if writing fails |
| */ |
| public abstract function write($buf); |
| |
| /** |
| * Flushes any pending data out of a buffer |
| * |
| * @throws TTransportException if a writing error occurs |
| */ |
| public function flush() {} |
| } |