// This source code is dual-licensed under the Mozilla Public License ("MPL"),
|
// version 1.1 and the Apache License ("ASL"), version 2.0.
|
//
|
// The ASL v2.0:
|
//
|
// ---------------------------------------------------------------------------
|
// Copyright 2016 Pivotal Software, Inc.
|
//
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
// you may not use this file except in compliance with the License.
|
// You may obtain a copy of the License at
|
//
|
// http://www.apache.org/licenses/LICENSE-2.0
|
//
|
// Unless required by applicable law or agreed to in writing, software
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
// See the License for the specific language governing permissions and
|
// limitations under the License.
|
// ---------------------------------------------------------------------------
|
//
|
// The MPL v1.1:
|
//
|
// ---------------------------------------------------------------------------
|
// The contents of this file are subject to the Mozilla Public License
|
// Version 1.1 (the "License"); you may not use this file except in
|
// compliance with the License. You may obtain a copy of the License at
|
// https://www.mozilla.org/MPL/
|
//
|
// Software distributed under the License is distributed on an "AS IS"
|
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
// License for the specific language governing rights and limitations
|
// under the License.
|
//
|
// The Original Code is RabbitMQ
|
//
|
// The Initial Developer of the Original Code is Pivotal Software, Inc.
|
// All Rights Reserved.
|
//
|
// Alternatively, the contents of this file may be used under the terms
|
// of the Apache Standard license (the "ASL License"), in which case the
|
// provisions of the ASL License are applicable instead of those
|
// above. If you wish to allow use of your version of this file only
|
// under the terms of the ASL License and not to allow others to use
|
// your version of this file under the MPL, indicate your decision by
|
// deleting the provisions above and replace them with the notice and
|
// other provisions required by the ASL License. If you do not delete
|
// the provisions above, a recipient may use your version of this file
|
// under either the MPL or the ASL License.
|
// ---------------------------------------------------------------------------
|
|
#import "RMQHandshaker.h"
|
|
@interface RMQHandshaker ()
|
@property (nonatomic, weak) id<RMQSender> sender;
|
@property (nonatomic, weak) RMQConnectionConfig *config;
|
@property (nonatomic, copy) void (^completionHandler)(NSNumber *heartbeatTimeout);
|
@property (nonatomic, strong) NSNumber *heartbeatTimeout;
|
@end
|
|
@implementation RMQHandshaker
|
|
- (instancetype)initWithSender:(id<RMQSender>)sender
|
config:(RMQConnectionConfig *)config
|
completionHandler:(void (^)(NSNumber *heartbeatTimeout))completionHandler {
|
self = [super init];
|
if (self) {
|
self.sender = sender;
|
self.config = config;
|
self.completionHandler = completionHandler;
|
self.heartbeatTimeout = @0;
|
}
|
return self;
|
}
|
|
- (void)handleFrameset:(RMQFrameset *)frameset {
|
id method = frameset.method;
|
if ([method isKindOfClass:[RMQConnectionStart class]]) {
|
[self sendMethod:self.startOk channelNumber:frameset.channelNumber];
|
[self.reader run];
|
} else if ([method isKindOfClass:[RMQConnectionTune class]]) {
|
RMQConnectionTuneOk *tuneOk = [self tuneOkForTune:method];
|
self.heartbeatTimeout = @(tuneOk.heartbeat.integerValue);
|
|
[self sendMethod:tuneOk channelNumber:frameset.channelNumber];
|
[self sendMethod:self.connectionOpen channelNumber:frameset.channelNumber];
|
[self.reader run];
|
} else {
|
self.completionHandler(self.heartbeatTimeout);
|
}
|
}
|
|
#pragma mark - Private
|
|
- (RMQConnectionStartOk *)startOk {
|
RMQBoolean *yes = [[RMQBoolean alloc] init:YES];
|
RMQTable *capabilities = [[RMQTable alloc] init:@{@"publisher_confirms" : yes,
|
@"consumer_cancel_notify" : yes,
|
@"exchange_exchange_bindings" : yes,
|
@"basic.nack" : yes,
|
@"connection.blocked" : yes,
|
@"authentication_failure_close" : yes}];
|
|
NSBundle *bundle = [NSBundle bundleWithIdentifier:@"io.pivotal.RMQClient"];
|
NSString *version = bundle.infoDictionary[@"CFBundleShortVersionString"];
|
|
RMQTable *clientProperties = [[RMQTable alloc] init:
|
@{@"capabilities" : capabilities,
|
@"product" : [[RMQLongstr alloc] init:@"RMQClient"],
|
@"platform" : [[RMQLongstr alloc] init:@"iOS"],
|
@"version" : [[RMQLongstr alloc] init:version],
|
@"information" : [[RMQLongstr alloc] init:@"https://github.com/rabbitmq/rabbitmq-objc-client"]}];
|
|
return [[RMQConnectionStartOk alloc] initWithClientProperties:clientProperties
|
mechanism:[[RMQShortstr alloc] init:self.config.authMechanism]
|
response:self.config.credentials
|
locale:[[RMQShortstr alloc] init:@"en_GB"]];
|
}
|
|
- (RMQConnectionTuneOk *)tuneOkForTune:(RMQConnectionTune *)tune {
|
RMQConnectionConfig *client = self.config;
|
RMQConnectionTune *server = tune;
|
|
NSNumber *channelMax = [self negotiateBetweenClientValue:client.channelMax
|
serverValue:@(server.channelMax.integerValue)];
|
NSNumber *frameMax = [self negotiateBetweenClientValue:client.frameMax
|
serverValue:@(server.frameMax.integerValue)];
|
NSNumber *heartbeat = [self negotiateBetweenClientValue:client.heartbeat
|
serverValue:@(server.heartbeat.integerValue)];
|
return [[RMQConnectionTuneOk alloc] initWithChannelMax:[[RMQShort alloc] init:channelMax.integerValue]
|
frameMax:[[RMQLong alloc] init:frameMax.integerValue]
|
heartbeat:[[RMQShort alloc] init:heartbeat.integerValue]];
|
}
|
|
- (RMQConnectionOpen *)connectionOpen {
|
return [[RMQConnectionOpen alloc] initWithVirtualHost:[[RMQShortstr alloc] init:self.config.vhost]
|
reserved1:[[RMQShortstr alloc] init:@""]
|
options:0];
|
}
|
|
- (NSNumber *)negotiateBetweenClientValue:(NSNumber *)client
|
serverValue:(NSNumber *)server {
|
if ([client isEqualToNumber:@0] || [server isEqualToNumber:@0]) {
|
return client.integerValue > server.integerValue ? client : server;
|
} else {
|
return client.integerValue < server.integerValue ? client : server;
|
}
|
}
|
|
- (void)sendMethod:(id<RMQMethod>)amqMethod channelNumber:(NSNumber *)channelNumber {
|
RMQFrameset *frameset = [[RMQFrameset alloc] initWithChannelNumber:channelNumber method:amqMethod];
|
[self.sender sendFrameset:frameset force:YES];
|
}
|
|
@end
|
