mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 1 | <?php |
Craig Tiller | 2e498aa | 2015-02-16 12:09:31 -0800 | [diff] [blame] | 2 | /* |
| 3 | * |
| 4 | * Copyright 2015, Google Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are |
| 9 | * met: |
| 10 | * |
| 11 | * * Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * * Redistributions in binary form must reproduce the above |
| 14 | * copyright notice, this list of conditions and the following disclaimer |
| 15 | * in the documentation and/or other materials provided with the |
| 16 | * distribution. |
| 17 | * * Neither the name of Google Inc. nor the names of its |
| 18 | * contributors may be used to endorse or promote products derived from |
| 19 | * this software without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | * |
| 33 | */ |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 34 | namespace Grpc; |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 35 | |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 36 | abstract class AbstractCall { |
| 37 | |
| 38 | protected $call; |
| 39 | protected $deserialize; |
| 40 | protected $metadata; |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 41 | |
| 42 | /** |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 43 | * Create a new Call wrapper object. |
| 44 | * @param Channel $channel The channel to communicate on |
| 45 | * @param string $method The method to call on the remote server |
Stanley Cheung | cc019af | 2015-06-15 11:45:00 -0700 | [diff] [blame^] | 46 | * @param callback $deserialize A callback function to deserialize |
| 47 | * the response |
| 48 | * @param (optional) long $timeout Timeout in microseconds |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 49 | */ |
Stanley Cheung | cc019af | 2015-06-15 11:45:00 -0700 | [diff] [blame^] | 50 | public function __construct(Channel $channel, $method, $deserialize, $timeout = false) { |
| 51 | if ($timeout) { |
| 52 | $now = Timeval::now(); |
| 53 | $delta = new Timeval($timeout); |
| 54 | $deadline = $now->add($delta); |
| 55 | } else { |
| 56 | $deadline = Timeval::infFuture(); |
| 57 | } |
| 58 | $this->call = new Call($channel, $method, $deadline); |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 59 | $this->deserialize = $deserialize; |
murgatroid99 | d8cc6b8 | 2015-04-01 11:14:16 -0700 | [diff] [blame] | 60 | $this->metadata = null; |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | /** |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 64 | * @return The metadata sent by the server. |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 65 | */ |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 66 | public function getMetadata() { |
| 67 | return $this->metadata; |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | /** |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 71 | * Cancels the call |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 72 | */ |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 73 | public function cancel() { |
| 74 | $this->call->cancel(); |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | /** |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 78 | * Deserialize a response value to an object. |
| 79 | * @param string $value The binary value to deserialize |
| 80 | * @return The deserialized value |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 81 | */ |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 82 | protected function deserializeResponse($value) { |
| 83 | if ($value === null) { |
| 84 | return null; |
| 85 | } |
| 86 | return call_user_func($this->deserialize, $value); |
mlumish | 156e67d | 2015-01-02 14:59:16 -0800 | [diff] [blame] | 87 | } |
murgatroid99 | 9140a06 | 2015-03-26 11:27:58 -0700 | [diff] [blame] | 88 | } |