RecordRoute demo

objective-c/route_guide/RouteGuideClient.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		632527861B1D0396003073D9 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 632527851B1D0396003073D9 /* AppDelegate.m */; };
 		6325278F1B1D0396003073D9 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 6325278D1B1D0396003073D9 /* Main.storyboard */; };
 		632527911B1D0396003073D9 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 632527901B1D0396003073D9 /* Images.xcassets */; };
+		6367B55B1B223AFA008861F5 /* route_guide_db.json in Resources */ = {isa = PBXBuildFile; fileRef = 6367B55A1B223AFA008861F5 /* route_guide_db.json */; };
 		63A6015C1B1DAB5000FA5B86 /* ViewControllers.m in Sources */ = {isa = PBXBuildFile; fileRef = 63A6015B1B1DAB5000FA5B86 /* ViewControllers.m */; };
 /* End PBXBuildFile section */
 
@@ -23,6 +24,7 @@
 		632527851B1D0396003073D9 /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 		6325278E1B1D0396003073D9 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		632527901B1D0396003073D9 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
+		6367B55A1B223AFA008861F5 /* route_guide_db.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = route_guide_db.json; sourceTree = "<group>"; };
 		63A6015B1B1DAB5000FA5B86 /* ViewControllers.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ViewControllers.m; sourceTree = "<group>"; };
 		71CEE03D66D40FC37264D6E4 /* libPods-RouteGuideClient.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-RouteGuideClient.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		ADA4C647BAE906F79AD9A45E /* Pods-RouteGuideClient.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RouteGuideClient.debug.xcconfig"; path = "Pods/Target Support Files/Pods-RouteGuideClient/Pods-RouteGuideClient.debug.xcconfig"; sourceTree = "<group>"; };
@@ -83,6 +85,7 @@
 			isa = PBXGroup;
 			children = (
 				63A6015B1B1DAB5000FA5B86 /* ViewControllers.m */,
+				6367B55A1B223AFA008861F5 /* route_guide_db.json */,
 				6325278D1B1D0396003073D9 /* Main.storyboard */,
 				631C63891B1DBC41001295D5 /* Misc */,
 			);
@@ -167,6 +170,7 @@
 			files = (
 				6325278F1B1D0396003073D9 /* Main.storyboard in Resources */,
 				632527911B1D0396003073D9 /* Images.xcassets in Resources */,
+				6367B55B1B223AFA008861F5 /* route_guide_db.json in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

objective-c/route_guide/ViewControllers.m

@@ -32,6 +32,8 @@
  */
 
 #import <UIKit/UIKit.h>
+#import <gRPC/GRXWriter+Immediate.h>
+#import <gRPC/GRXWriter+Transformations.h>
 #import <RouteGuide/RouteGuide.pbrpc.h>
 
 static NSString * const kHostAddress = @"http://localhost:50051";
@@ -123,6 +125,10 @@ static NSString * const kHostAddress = @"http://localhost:50051";
 
 #pragma mark Record Route
 
+// 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.
+
 @interface RecordRouteViewController : UIViewController
 @end
 
@@ -145,7 +151,32 @@ static NSString * const kHostAddress = @"http://localhost:50051";
 
 - (void)viewDidLoad {
   [super viewDidLoad];
-  // Do any additional setup after loading the view.
+
+  NSString *dataBasePath = [NSBundle.mainBundle pathForResource:@"route_guide_db"
+                                                         ofType:@"json"];
+  NSData *dataBaseContent = [NSData dataWithContentsOfFile:dataBasePath];
+  NSArray *features = [NSJSONSerialization JSONObjectWithData:dataBaseContent options:0 error:NULL];
+
+  GRXWriter *locations = [[GRXWriter writerWithContainer:features] map:^id(id feature) {
+    RTGPoint *location = [RTGPoint message];
+    location.longitude = [((NSNumber *) feature[@"location"][@"longitude"]) intValue];
+    location.latitude = [((NSNumber *) feature[@"location"][@"latitude"]) intValue];
+    NSLog(@"Visiting point %@", location);
+    return location;
+  }];
+
+  RTGRouteGuide *client = [[RTGRouteGuide alloc] initWithHost:kHostAddress];
+
+  [client recordRouteWithRequestsWriter:locations handler:^(RTGRouteSummary *response, NSError *error) {
+    if (response) {
+      NSLog(@"Finished trip with %i points", response.pointCount);
+      NSLog(@"Passed %i features", response.featureCount);
+      NSLog(@"Travelled %i meters", response.distance);
+      NSLog(@"It took %i seconds", response.elapsedTime);
+    } else {
+      NSLog(@"RPC error: %@", error);
+    }
+  }];
 }
 
 @end

objective-c/route_guide/route_guide_db.json

@@ -0,0 +1,121 @@
+[{
+    "location": {
+        "latitude": 407838351,
+        "longitude": -746143763
+    },
+    "name": "Patriots Path, Mendham, NJ 07945, USA"
+}, {
+    "location": {
+        "latitude": 408122808,
+        "longitude": -743999179
+    },
+    "name": "101 New Jersey 10, Whippany, NJ 07981, USA"
+}, {
+    "location": {
+        "latitude": 413628156,
+        "longitude": -749015468
+    },
+    "name": "U.S. 6, Shohola, PA 18458, USA"
+}, {
+    "location": {
+        "latitude": 419999544,
+        "longitude": -740371136
+    },
+    "name": "5 Conners Road, Kingston, NY 12401, USA"
+}, {
+    "location": {
+        "latitude": 414008389,
+        "longitude": -743951297
+    },
+    "name": "Mid Hudson Psychiatric Center, New Hampton, NY 10958, USA"
+}, {
+    "location": {
+        "latitude": 419611318,
+        "longitude": -746524769
+    },
+    "name": "287 Flugertown Road, Livingston Manor, NY 12758, USA"
+}, {
+    "location": {
+        "latitude": 406109563,
+        "longitude": -742186778
+    },
+    "name": "4001 Tremley Point Road, Linden, NJ 07036, USA"
+}, {
+    "location": {
+        "latitude": 416802456,
+        "longitude": -742370183
+    },
+    "name": "352 South Mountain Road, Wallkill, NY 12589, USA"
+}, {
+    "location": {
+        "latitude": 412950425,
+        "longitude": -741077389
+    },
+    "name": "Bailey Turn Road, Harriman, NY 10926, USA"
+}, {
+    "location": {
+        "latitude": 412144655,
+        "longitude": -743949739
+    },
+    "name": "193-199 Wawayanda Road, Hewitt, NJ 07421, USA"
+}, {
+    "location": {
+        "latitude": 404306372,
+        "longitude": -741079661
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 403966326,
+        "longitude": -748519297
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 405002031,
+        "longitude": -748407866
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 409532885,
+        "longitude": -742200683
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 416851321,
+        "longitude": -742674555
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 406411633,
+        "longitude": -741722051
+    },
+    "name": "3387 Richmond Terrace, Staten Island, NY 10303, USA"
+}, {
+    "location": {
+        "latitude": 413069058,
+        "longitude": -744597778
+    },
+    "name": "261 Van Sickle Road, Goshen, NY 10924, USA"
+}, {
+    "location": {
+        "latitude": 418465462,
+        "longitude": -746859398
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 411733222,
+        "longitude": -744228360
+    },
+    "name": ""
+}, {
+    "location": {
+        "latitude": 410248224,
+        "longitude": -747127767
+    },
+    "name": "3 Hasta Way, Newton, NJ 07860, USA"
+}]