# This file is part of bish-bosh. It is subject to the licence terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/raphaelcohn/bish-bosh/master/COPYRIGHT. No part of bish-bosh, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
# Copyright © 2014-2015 The developers of bish-bosh. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/raphaelcohn/bish-bosh/master/COPYRIGHT.


core_usesIn bishbosh/connection error
core_dependency_requires '*' mv rm
bishbosh_connection_read_controlpacket_PUBREC()
{
	bishbosh_connection_error_ifRemainingLengthNot PUBREC 2
	
	local packetIdentifier
	bishbosh_connection_read_packetIdentifier
	
	local ourPacketIdentifierFolderPath
	bishbosh_connection_packetIdentifier_ourPacketIdentifierFolderPath
	
	local unknownPacketIdentifier
	local duplicate
	if [ -f "$ourPacketIdentifierFolderPath"/pubrec-received ]; then
		unknownPacketIdentifier=0
		duplicate=1
	elif [ -f "$ourPacketIdentifierFolderPath"/publish ]; then
		unknownPacketIdentifier=0
		duplicate=0
	else
		unknownPacketIdentifier=1
		duplicate=0
		
		core_message WARN "Received a PUBREC with packet identifier '$packetIdentifier' for a PUBLISH that doesn't appear to be ours'"
	fi
	
	bishbosh_connection_handler_PUBREC
	
	printf '' >"$ourPacketIdentifierFolderPath"/pubrec-received
	
	bishbosh_connection_packetIdentifier_forWriting=$packetIdentifier
	bishbosh_connection_write_PUBREL
}