Update objc tutorial1 for async API

[#117323195]

Author: camelpunch

objective-c/tutorial1/Cartfile.resolved

@@ -1,3 +1,3 @@
 github "robbiehanson/CocoaAsyncSocket" "562bae6af6dbd7e1891293dae20b9f79a2fd7228"
 github "Mantle/Mantle" "cdb82df5dd3a7e4cfab6dfbc48df20dcc80b4e13"
-github "rabbitmq/rabbitmq-objc-client" "3e36e6db95769016ea38765ff6255e932867c89d"
+github "rabbitmq/rabbitmq-objc-client" "c1e590779041d6775fab41287867e54cbf5fac61"

objective-c/tutorial1/tutorial1/ViewController.m

@@ -8,60 +8,38 @@ @implementation ViewController
 
 - (void)viewDidLoad {
  [super viewDidLoad];
- [self send];
  [self receive];
+ sleep(1);
+ [self send];
 }
 
 - (void)send {
  NSLog(@"Attempting to connect to local RabbitMQ broker");
- RMQConnection *conn = [RMQConnection new];
- NSError *error = NULL;
- [conn startWithError:&error];
- if (error) {
- NSLog(@"Couldn't connect to local RabbitMQ broker: %@", error);
- exit(1);
- }
+ RMQConnection *conn = [[RMQConnection alloc] initWithDelegate:[RMQConnectionDelegateLogger new]];
+ [conn start];
 
- id<RMQChannel> ch = [conn createChannelWithError:&error];
- if (error) {
- NSLog(@"Error creating channel: %@", error);
- [conn close];
- exit(1);
- }
+ id<RMQChannel> ch = [conn createChannel];
 
  RMQQueue *q = [ch queue:@"hello"];
+
  [q publish:@"Hello World!"];
  NSLog(@"Sent 'Hello World!'");
+
  [conn close];
 }
 
 - (void)receive {
  NSLog(@"Attempting to connect to local RabbitMQ broker");
- RMQConnection *conn = [RMQConnection new];
- NSError *error = NULL;
- [conn startWithError:&error];
- if (error) {
- NSLog(@"Couldn't connect to local RabbitMQ broker: %@", error);
- exit(1);
- }
+ RMQConnection *conn = [[RMQConnection alloc] initWithDelegate:[RMQConnectionDelegateLogger new]];
+ [conn start];
 
- id<RMQChannel> ch = [conn createChannelWithError:&error];
- if (error) {
- NSLog(@"Error creating channel: %@", error);
- [conn close];
- exit(1);
- }
+ id<RMQChannel> ch = [conn createChannel];
 
  RMQQueue *q = [ch queue:@"hello"];
  NSLog(@"Waiting for messages.");
- [q subscribeWithError:&error handler:^(id<RMQMessage> _Nonnull message) {
+ [q subscribe:^(id<RMQMessage> _Nonnull message) {
  NSLog(@"Received %@", message.content);
  }];
- if (error) {
- NSLog(@"Error subscribing: %@", error);
- [conn close];
- exit(1);
- }
 }
 
 @end