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<?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.
*
*/
require dirname(__FILE__) . '/../vendor/autoload.php';
require dirname(__FILE__) . '/route_guide.php';
define('COORD_FACTOR', 1e7);
$client = new examples\RouteGuideClient(
new Grpc\BaseStub('localhost:50051', []));
function printFeature($feature) {
$name = $feature->getName();
if (!$name) {
$name_str = "no feature";
} else {
$name_str = "feature called $name";
}
print sprintf("Found %s \n at %f, %f\n", $name_str,
$feature->getLocation()->getLatitude() / COORD_FACTOR,
$feature->getLocation()->getLongitude() / COORD_FACTOR);
}
/**
* Run the getFeature demo. Calls getFeature with a point known to have a
* feature and a point known not to have a feature.
*/
function runGetFeature() {
print "Running GetFeature...\n";
global $client;
$point = new examples\Point();
$points = array(
array(409146138, -746188906),
array(0, 0),
);
foreach ($points as $p) {
$point->setLatitude($p[0]);
$point->setLongitude($p[1]);
// make a unary grpc call
list($feature, $status) = $client->GetFeature($point)->wait();
printFeature($feature);
}
}
/**
* Run the listFeatures demo. Calls listFeatures with a rectangle
* containing all of the features in the pre-generated
* database. Prints each response as it comes in.
*/
function runListFeatures() {
print "Running ListFeatures...\n";
global $client;
$lo_point = new examples\Point();
$hi_point = new examples\Point();
$lo_point->setLatitude(400000000);
$lo_point->setLongitude(-750000000);
$hi_point->setLatitude(420000000);
$hi_point->setLongitude(-730000000);
$rectangle = new examples\Rectangle();
$rectangle->setLo($lo_point);
$rectangle->setHi($hi_point);
$call = $client->ListFeatures($rectangle);
// an iterator over the server streaming responses
$features = $call->responses();
foreach ($features as $feature) {
printFeature($feature);
}
}
/**
* Run the recordRoute demo. Sends several randomly chosen points from the
* pre-generated feature database with a variable delay in between. Prints
* the statistics when they are sent from the server.
*/
function runRecordRoute() {
print "Running RecordRoute...\n";
global $client, $argv;
$db = json_decode(file_get_contents($argv[1]), true);
$points_iter = function($db) {
$num_points_in_db = count($db);
$num_points = 10;
for ($i = 0; $i < $num_points; $i++) {
$point = new examples\Point();
$index = rand(0, $num_points_in_db - 1);
$lat = $db[$index]['location']['latitude'];
$long = $db[$index]['location']['longitude'];
$feature_name = $db[$index]['name'];
$point->setLatitude($lat);
$point->setLongitude($long);
print sprintf("Visiting point %f, %f,\n with feature name: %s\n",
$lat / COORD_FACTOR, $long / COORD_FACTOR,
$feature_name ? $feature_name : '<empty>');
usleep(rand(300000, 800000));
yield $point;
}
};
// $points_iter is an iterator simulating client streaming
list($route_summary, $status) =
$client->RecordRoute($points_iter($db))->wait();
print sprintf("Finished trip with %d points\nPassed %d features\n".
"Travelled %d meters\nIt took %d seconds\n",
$route_summary->getPointCount(),
$route_summary->getFeatureCount(),
$route_summary->getDistance(),
$route_summary->getElapsedTime());
}
/**
* Run the routeChat demo. Send some chat messages, and print any chat
* messages that are sent from the server.
*/
function runRouteChat() {
print "Running RouteChat...\n";
global $client;
// start the bidirectional streaming call
$call = $client->RouteChat();
$notes = array(
array(1, 1, 'first message'),
array(1, 2, 'second message'),
array(2, 1, 'third message'),
array(1, 1, 'fourth message'),
array(1, 1, 'fifth message'),
);
foreach ($notes as $n) {
$point = new examples\Point();
$point->setLatitude($lat = $n[0]);
$point->setLongitude($long = $n[1]);
$route_note = new examples\RouteNote();
$route_note->setLocation($point);
$route_note->setMessage($message = $n[2]);
print sprintf("Sending message: '%s' at (%d, %d)\n",
$message, $lat, $long);
// send a bunch of messages to the server
$call->write($route_note);
}
$call->writesDone();
// read from the server until there's no more
while ($route_note_reply = $call->read()) {
print sprintf("Previous left message at (%d, %d): '%s'\n",
$route_note_reply->getLocation()->getLatitude(),
$route_note_reply->getLocation()->getLongitude(),
$route_note_reply->getMessage());
}
}
/**
* Run all of the demos in order
*/
function main() {
runGetFeature();
runListFeatures();
runRecordRoute();
runRouteChat();
}
if (empty($argv[1])) {
print "Usage: php -d extension=grpc.so route_guide_client.php " .
"<path to route_guide_db.json>\n";
exit(1);
}
main();
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