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Diffstat (limited to 'src/php/lib/Grpc/BidiStreamingCall.php')
| -rw-r--r-- | src/php/lib/Grpc/BidiStreamingCall.php | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/php/lib/Grpc/BidiStreamingCall.php b/src/php/lib/Grpc/BidiStreamingCall.php new file mode 100644 index 0000000000..76c642bef4 --- /dev/null +++ b/src/php/lib/Grpc/BidiStreamingCall.php @@ -0,0 +1,92 @@ +<?php +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +namespace Grpc; + +/** + * Represents an active call that allows for sending and recieving messages in + * streams in any order. + */ +class BidiStreamingCall extends AbstractCall { + /** + * Start the call + * @param array $metadata Metadata to send with the call, if applicable + */ + public function start($metadata) { + $this->call->startBatch([OP_SEND_INITIAL_METADATA => $metadata]); + } + + /** + * Reads the next value from the server. + * @return The next value from the server, or null if there is none + */ + public function read() { + $batch = [OP_RECV_MESSAGE => true]; + if ($this->metadata === null) { + $batch[OP_RECV_INITIAL_METADATA] = true; + } + $read_event = $this->call->startBatch($batch); + if ($this->metadata === null) { + $this->metadata = $read_event->metadata; + } + return $this->deserializeResponse($read_event->message); + } + + /** + * Write a single message to the server. This cannot be called after + * writesDone is called. + * @param ByteBuffer $data The data to write + */ + public function write($data) { + $this->call->startBatch([OP_SEND_MESSAGE => $data->serialize()]); + } + + /** + * Indicate that no more writes will be sent. + */ + public function writesDone() { + $this->call->startBatch([OP_SEND_CLOSE_FROM_CLIENT => true]); + } + + /** + * Wait for the server to send the status, and return it. + * @return object The status object, with integer $code, string $details, + * and array $metadata members + */ + public function getStatus() { + $status_event = $this->call->startBatch([ + OP_RECV_STATUS_ON_CLIENT => true + ]); + return $status_event->status; + } +}
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