/*
* Copyright (c) 2012, Florian Zeitz <florob@babelmonkeys.de>
*
* https://webkeks.org/git/?p=objxmpp.git
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* 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 "XMPPStreamManagement.h"
#import "namespaces.h"
@implementation XMPPStreamManagement
- initWithConnection: (XMPPConnection*)connection_
{
self = [super init];
@try {
_connection = connection_;
[_connection addDelegate: self];
receivedCount = 0;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_connection removeDelegate: self];
[super dealloc];
}
- (void)connection: (XMPPConnection*)connection_
didReceiveElement: (OFXMLElement*)element
{
OFString *elementName = [element name];
OFString *elementNS = [element namespace];
if ([elementNS isEqual: XMPP_NS_SM]) {
if ([elementName isEqual: @"enabled"]) {
receivedCount = 0;
return;
}
if ([elementName isEqual: @"failed"]) {
/* TODO: How do we handle this? */
return;
}
if ([elementName isEqual: @"r"]) {
OFXMLElement *ack =
[OFXMLElement elementWithName: @"a"
namespace: XMPP_NS_SM];
[ack addAttributeWithName: @"h"
stringValue:
[OFString stringWithFormat: @"%" PRIu32,
receivedCount]];
[connection_ sendStanza: ack];
}
}
if ([elementNS isEqual: XMPP_NS_CLIENT] &&
([elementName isEqual: @"iq"] ||
[elementName isEqual: @"presence"] ||
[elementName isEqual: @"message"]))
receivedCount++;
}
/* TODO: Count outgoing stanzas here and cache them, send own ACK requests
- (void)connection: (XMPPConnection*)connection_
didSendElement: (OFXMLElement*)element
{
}
*/
- (void)connection: (XMPPConnection*)connection_
wasBoundToJID: (XMPPJID*)jid
{
if ([connection_ supportsStreamManagement])
[connection_ sendStanza:
[OFXMLElement elementWithName: @"enable"
namespace: XMPP_NS_SM]];
}
@end