/*
	Copyright (c)  2013, 2014 IOnU Security Inc. All rights reserved. Copyright (c) 2015, 2016 Sequence Logic, Inc.
	Created August 2013 by Kendrick Webster

	K2Daemon/MongoDeviceStatus.h - database interface for ionu
	device status collection in MongoDB.
*/
#pragma once

#include <string>
#include "MongoDB.h"

namespace MongoDB
{
	namespace devstatus
	{
		/*
		   Database and collection names

		   A collection is a group of documents (BSON objects).
		   A database contains zero or more named collections.

		   These hard-coded values are agreed upon between CloudGuard and
		   this application.
		*/
		constexpr const char* DATABASE_NAME   = "sequencelogic";
		constexpr const char* COLLECTION_NAME = "devstatus";

		// Values for the "status" field of devstatus documents
		constexpr const char* STATUS_ONLINE   		= "online";       // device is logged in
		constexpr const char* STATUS_ONLINE_AUTH	= "online_auth";  // device just logged in
        constexpr const char* STATUS_NOTIFIED 		= "online_ntf";   // device acknowledged a notification
		constexpr const char* STATUS_OFFLINE  		= "offline";      // offline due to graceful shutdown (logout)
		constexpr const char* STATUS_NO_ACK   		= "no_ack";       // offline due to timed out notification attempt
		constexpr const char* STATUS_TIMEOUT  		= "timeout";      // offline due to heartbeat timeout

		// Updates the <status> field of the DB document matching <device>
		// (within this collection, the device URN is the document _id)
		void Update(const char* device, const char* status, const char *pIpAddy);

		// Resets the <status> field of all "online" DB documents
		// (cleanup at startup)
		void Clean(void);

        // Call periodically to do background stuff (i.e. flush updates that may have been deferred due to transient connectivity issues)
        void Timer(void);
	}
}