101 lines
2.8 KiB
Objective-C
101 lines
2.8 KiB
Objective-C
/*
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* Copyright (c) 2012, Florian Zeitz <florob@babelmonkeys.de>
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*
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* https://webkeks.org/git/?p=objxmpp.git
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "XMPPStreamManagement.h"
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#import "namespaces.h"
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@implementation XMPPStreamManagement
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- initWithConnection: (XMPPConnection*)connection_
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{
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self = [super init];
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@try {
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_connection = connection_;
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[_connection addDelegate: self];
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receivedCount = 0;
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} @catch (id e) {
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[self release];
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@throw e;
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}
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return self;
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}
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- (void)dealloc
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{
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[_connection removeDelegate: self];
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[super dealloc];
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}
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- (void)connection: (XMPPConnection*)connection_
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didReceiveElement: (OFXMLElement*)element
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{
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OFString *elementName = [element name];
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OFString *elementNS = [element namespace];
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if ([elementNS isEqual: XMPP_NS_SM]) {
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if ([elementName isEqual: @"enabled"]) {
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receivedCount = 0;
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return;
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}
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if ([elementName isEqual: @"failed"]) {
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/* TODO: How do we handle this? */
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return;
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}
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if ([elementName isEqual: @"r"]) {
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OFXMLElement *ack =
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[OFXMLElement elementWithName: @"a"
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namespace: XMPP_NS_SM];
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[ack addAttributeWithName: @"h"
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stringValue:
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[OFString stringWithFormat: @"%" PRIu32,
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receivedCount]];
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[connection_ sendStanza: ack];
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}
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}
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if ([elementNS isEqual: XMPP_NS_CLIENT] &&
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([elementName isEqual: @"iq"] ||
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[elementName isEqual: @"presence"] ||
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[elementName isEqual: @"message"]))
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receivedCount++;
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}
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/* TODO: Count outgoing stanzas here and cache them, send own ACK requests
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- (void)connection: (XMPPConnection*)connection_
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didSendElement: (OFXMLElement*)element
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{
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}
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*/
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- (void)connection: (XMPPConnection*)connection_
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wasBoundToJID: (XMPPJID*)jid
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{
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if ([connection_ supportsStreamManagement])
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[connection_ sendStanza:
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[OFXMLElement elementWithName: @"enable"
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namespace: XMPP_NS_SM]];
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}
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@end
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