1 <?php 2 /* 3 * 4 * Copyright 2015 gRPC authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 */ 19 20 // php:generate protoc --proto_path=./../../protos --php_out=./ --grpc_out=./ --plugin=protoc-gen-grpc=./../../../bins/opt/grpc_php_plugin ./../../protos/route_guide.proto 21 22 require dirname(__FILE__).'/../vendor/autoload.php'; 23 24 define('COORD_FACTOR', 1e7); 25 26 $client = new Routeguide\RouteGuideClient('localhost:50051', [ 27 'credentials' => Grpc\ChannelCredentials::createInsecure(), 28 ]); 29 30 function printFeature($feature) 31 { 32 $name = $feature->getName(); 33 if (!$name) { 34 $name_str = 'no feature'; 35 } else { 36 $name_str = "feature called $name"; 37 } 38 echo sprintf( 39 "Found %s \n at %f, %f\n", 40 $name_str, 41 $feature->getLocation()->getLatitude() / COORD_FACTOR, 42 $feature->getLocation()->getLongitude() / COORD_FACTOR 43 ); 44 } 45 46 /** 47 * Run the getFeature demo. Calls getFeature with a point known to have a 48 * feature and a point known not to have a feature. 49 */ 50 function runGetFeature() 51 { 52 echo "Running GetFeature...\n"; 53 global $client; 54 55 $point = new Routeguide\Point(); 56 $points = array( 57 array(409146138, -746188906), 58 array(0, 0), 59 ); 60 61 foreach ($points as $p) { 62 $point->setLatitude($p[0]); 63 $point->setLongitude($p[1]); 64 // make a unary grpc call 65 list($feature, $status) = $client->GetFeature($point)->wait(); 66 printFeature($feature); 67 } 68 } 69 70 /** 71 * Run the listFeatures demo. Calls listFeatures with a rectangle 72 * containing all of the features in the pre-generated 73 * database. Prints each response as it comes in. 74 */ 75 function runListFeatures() 76 { 77 echo "Running ListFeatures...\n"; 78 global $client; 79 80 $lo_point = new Routeguide\Point(); 81 $hi_point = new Routeguide\Point(); 82 83 $lo_point->setLatitude(400000000); 84 $lo_point->setLongitude(-750000000); 85 $hi_point->setLatitude(420000000); 86 $hi_point->setLongitude(-730000000); 87 88 $rectangle = new Routeguide\Rectangle(); 89 $rectangle->setLo($lo_point); 90 $rectangle->setHi($hi_point); 91 92 // start the server streaming call 93 $call = $client->ListFeatures($rectangle); 94 // an iterator over the server streaming responses 95 $features = $call->responses(); 96 foreach ($features as $feature) { 97 printFeature($feature); 98 } 99 } 100 101 /** 102 * Run the recordRoute demo. Sends several randomly chosen points from the 103 * pre-generated feature database with a variable delay in between. Prints 104 * the statistics when they are sent from the server. 105 */ 106 function runRecordRoute() 107 { 108 echo "Running RecordRoute...\n"; 109 global $client, $argv; 110 111 // start the client streaming call 112 $call = $client->RecordRoute(); 113 114 $db = json_decode(file_get_contents($argv[1]), true); 115 $num_points_in_db = count($db); 116 $num_points = 10; 117 for ($i = 0; $i < $num_points; ++$i) { 118 $point = new Routeguide\Point(); 119 $index = rand(0, $num_points_in_db - 1); 120 $lat = $db[$index]['location']['latitude']; 121 $long = $db[$index]['location']['longitude']; 122 $feature_name = $db[$index]['name']; 123 $point->setLatitude($lat); 124 $point->setLongitude($long); 125 echo sprintf( 126 "Visiting point %f, %f,\n with feature name: %s\n", 127 $lat / COORD_FACTOR, 128 $long / COORD_FACTOR, 129 $feature_name ? $feature_name : '<empty>' 130 ); 131 usleep(rand(300000, 800000)); 132 $call->write($point); 133 } 134 list($route_summary, $status) = $call->wait(); 135 echo sprintf( 136 "Finished trip with %d points\nPassed %d features\n". 137 "Travelled %d meters\nIt took %d seconds\n", 138 $route_summary->getPointCount(), 139 $route_summary->getFeatureCount(), 140 $route_summary->getDistance(), 141 $route_summary->getElapsedTime() 142 ); 143 } 144 145 /** 146 * Run the routeChat demo. Send some chat messages, and print any chat 147 * messages that are sent from the server. 148 */ 149 function runRouteChat() 150 { 151 echo "Running RouteChat...\n"; 152 global $client; 153 154 // start the bidirectional streaming call 155 $call = $client->RouteChat(); 156 157 $notes = array( 158 array(1, 1, 'first message'), 159 array(1, 2, 'second message'), 160 array(2, 1, 'third message'), 161 array(1, 1, 'fourth message'), 162 array(1, 1, 'fifth message'), 163 ); 164 165 foreach ($notes as $n) { 166 $point = new Routeguide\Point(); 167 $point->setLatitude($lat = $n[0]); 168 $point->setLongitude($long = $n[1]); 169 170 $route_note = new Routeguide\RouteNote(); 171 $route_note->setLocation($point); 172 $route_note->setMessage($message = $n[2]); 173 174 echo sprintf( 175 "Sending message: '%s' at (%d, %d)\n", 176 $message, 177 $lat, 178 $long 179 ); 180 // send a bunch of messages to the server 181 $call->write($route_note); 182 } 183 $call->writesDone(); 184 185 // read from the server until there's no more 186 while ($route_note_reply = $call->read()) { 187 echo sprintf( 188 "Previous left message at (%d, %d): '%s'\n", 189 $route_note_reply->getLocation()->getLatitude(), 190 $route_note_reply->getLocation()->getLongitude(), 191 $route_note_reply->getMessage() 192 ); 193 } 194 } 195 196 /** 197 * Run all of the demos in order. 198 */ 199 function main() 200 { 201 runGetFeature(); 202 runListFeatures(); 203 runRecordRoute(); 204 runRouteChat(); 205 } 206 207 if (empty($argv[1])) { 208 echo 'Usage: php -d extension=grpc.so route_guide_client.php '. 209 "<path to route_guide_db.json>\n"; 210 exit(1); 211 } 212 main(); 213
