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<?php
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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* @package thrift.transport
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*/
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/**
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* Transport exceptions
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*/
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class TTransportException extends TException {
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const UNKNOWN = 0;
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const NOT_OPEN = 1;
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const ALREADY_OPEN = 2;
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const TIMED_OUT = 3;
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const END_OF_FILE = 4;
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function __construct($message=null, $code=0) {
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parent::__construct($message, $code);
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}
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}
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/**
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* Base interface for a transport agent.
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*
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* @package thrift.transport
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*/
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abstract class TTransport {
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/**
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* Whether this transport is open.
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*
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* @return boolean true if open
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*/
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public abstract function isOpen();
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/**
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* Open the transport for reading/writing
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*
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* @throws TTransportException if cannot open
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*/
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public abstract function open();
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/**
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* Close the transport.
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*/
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public abstract function close();
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/**
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* Read some data into the array.
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*
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* @param int $len How much to read
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* @return string The data that has been read
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* @throws TTransportException if cannot read any more data
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*/
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public abstract function read($len);
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/**
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* Guarantees that the full amount of data is read.
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*
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* @return string The data, of exact length
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* @throws TTransportException if cannot read data
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*/
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public function readAll($len) {
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// return $this->read($len);
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$data = '';
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$got = 0;
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while (($got = strlen($data)) < $len) {
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$data .= $this->read($len - $got);
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}
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return $data;
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}
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/**
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* Writes the given data out.
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*
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* @param string $buf The data to write
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* @throws TTransportException if writing fails
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*/
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public abstract function write($buf);
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/**
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* Flushes any pending data out of a buffer
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*
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* @throws TTransportException if a writing error occurs
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*/
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public function flush() {}
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}
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