blob: b8b1ed6eaea2e30ced061e97f96f2303dd65c919 [file] [log] [blame]
<?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 sends a single message and then gets a
* single response.
*/
class UnaryCall extends AbstractCall
{
/**
* Start the call.
*
* @param mixed $data The data to send
* @param array $metadata Metadata to send with the call, if applicable
* (optional)
* @param array $options An array of options, possible keys:
* 'flags' => a number (optional)
*/
public function start($data, array $metadata = [], array $options = [])
{
$message_array = ['message' => $this->_serializeMessage($data)];
if (isset($options['flags'])) {
$message_array['flags'] = $options['flags'];
}
$event = $this->call->startBatch([
OP_SEND_INITIAL_METADATA => $metadata,
OP_RECV_INITIAL_METADATA => true,
OP_SEND_MESSAGE => $message_array,
OP_SEND_CLOSE_FROM_CLIENT => true,
]);
$this->metadata = $event->metadata;
}
/**
* Wait for the server to respond with data and a status.
*
* @return array [response data, status]
*/
public function wait()
{
$event = $this->call->startBatch([
OP_RECV_MESSAGE => true,
OP_RECV_STATUS_ON_CLIENT => true,
]);
$status = $event->status;
$this->trailing_metadata = $status->metadata;
return [$this->_deserializeResponse($event->message), $status];
}
}