| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237 | /* * * 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. * */#import <UIKit/UIKit.h>#import <GRPCClient/GRPCCall+Tests.h>#import <RouteGuide/RouteGuide.pbrpc.h>#import <RxLibrary/GRXWriter+Immediate.h>#import <RxLibrary/GRXWriter+Transformations.h>static NSString * const kHostAddress = @"localhost:50051";/** Category to override RTGPoint's description. */@interface RTGPoint (Description)- (NSString *)description;@end@implementation RTGPoint (Description)- (NSString *)description {  NSString *verticalDirection = self.latitude >= 0 ? @"N" : @"S";  NSString *horizontalDirection = self.longitude >= 0 ? @"E" : @"W";  return [NSString stringWithFormat:@"%.02f%@ %.02f%@",          abs(self.latitude) / 1E7f, verticalDirection,          abs(self.longitude) / 1E7f, horizontalDirection];}@end/** Category to give RTGRouteNote a convenience constructor. */@interface RTGRouteNote (Constructors)+ (instancetype)noteWithMessage:(NSString *)message                       latitude:(float)latitude                      longitude:(float)longitude;@end@implementation RTGRouteNote (Constructors)+ (instancetype)noteWithMessage:(NSString *)message                       latitude:(float)latitude                      longitude:(float)longitude {  RTGRouteNote *note = [self message];  note.message = message;  note.location.latitude = (int32_t) latitude * 1E7;  note.location.longitude = (int32_t) longitude * 1E7;  return note;}@end#pragma mark Demo: Get Feature/** * Run the getFeature demo. Calls getFeature with a point known to have a feature and a point known * not to have a feature. */@interface GetFeatureViewController : UIViewController@end@implementation GetFeatureViewController- (void)viewDidLoad {  [super viewDidLoad];  // This only needs to be done once per host, before creating service objects for that host.  [GRPCCall useInsecureConnectionsForHost:kHostAddress];  RTGRouteGuide *service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];  void (^handler)(RTGFeature *response, NSError *error) = ^(RTGFeature *response, NSError *error) {    if (response.name.length) {      NSLog(@"Found feature called %@ at %@.", response.name, response.location);    } else if (response) {      NSLog(@"Found no features at %@", response.location);    } else {      NSLog(@"RPC error: %@", error);    }  };  RTGPoint *point = [RTGPoint message];  point.latitude = 409146138;  point.longitude = -746188906;  [service getFeatureWithRequest:point handler:handler];  [service getFeatureWithRequest:[RTGPoint message] handler:handler];}@end#pragma mark Demo: List Features/** * 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. */@interface ListFeaturesViewController : UIViewController@end@implementation ListFeaturesViewController- (void)viewDidLoad {  [super viewDidLoad];  RTGRouteGuide *service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];  RTGRectangle *rectangle = [RTGRectangle message];  rectangle.lo.latitude = 405E6;  rectangle.lo.longitude = -750E6;  rectangle.hi.latitude = 410E6;  rectangle.hi.longitude = -745E6;  NSLog(@"Looking for features between %@ and %@", rectangle.lo, rectangle.hi);  [service listFeaturesWithRequest:rectangle                      eventHandler:^(BOOL done, RTGFeature *response, NSError *error) {    if (response) {      NSLog(@"Found feature at %@ called %@.", response.location, response.name);    } else if (error) {      NSLog(@"RPC error: %@", error);    }  }];}@end#pragma mark Demo: 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@implementation RecordRouteViewController- (void)viewDidLoad {  [super viewDidLoad];  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 *service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];  [service 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#pragma mark Demo: Route Chat/** * Run the routeChat demo. Send some chat messages, and print any chat messages that are sent from * the server. */@interface RouteChatViewController : UIViewController@end@implementation RouteChatViewController- (void)viewDidLoad {  [super viewDidLoad];  NSArray *notes = @[[RTGRouteNote noteWithMessage:@"First message" latitude:0 longitude:0],                     [RTGRouteNote noteWithMessage:@"Second message" latitude:0 longitude:1],                     [RTGRouteNote noteWithMessage:@"Third message" latitude:1 longitude:0],                     [RTGRouteNote noteWithMessage:@"Fourth message" latitude:0 longitude:0]];  GRXWriter *notesWriter = [[GRXWriter writerWithContainer:notes] map:^id(RTGRouteNote *note) {    NSLog(@"Sending message %@ at %@", note.message, note.location);    return note;  }];  RTGRouteGuide *service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];  [service routeChatWithRequestsWriter:notesWriter                          eventHandler:^(BOOL done, RTGRouteNote *note, NSError *error) {    if (note) {      NSLog(@"Got message %@ at %@", note.message, note.location);    } else if (error) {      NSLog(@"RPC error: %@", error);    }    if (done) {      NSLog(@"Chat ended.");    }  }];}@end
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