fusionpbx/app/xml_cdr/v_xml_cdr_import.php

<?php
/*
	FusionPBX
	Version: MPL 1.1

	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
	http://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 FusionPBX

	The Initial Developer of the Original Code is
	Mark J Crane <markjcrane@fusionpbx.com>
	Portions created by the Initial Developer are Copyright (C) 2008-2013
	the Initial Developer. All Rights Reserved.

	Contributor(s):
	Mark J Crane <markjcrane@fusionpbx.com>
	Luis Daniel Lucio Quiroz <dlucio@okay.com.mx>
*/


//check the permission

	if(defined('STDIN')) {
		$document_root = str_replace("\\", "/", $_SERVER["PHP_SELF"]);
		preg_match("/^(.*)\/app\/.*$/", $document_root, $matches);
		$document_root = $matches[1];
		set_include_path($document_root);
		$_SERVER["DOCUMENT_ROOT"] = $document_root;
		require_once "resources/require.php";
		$display_type = 'text'; //html, text
	}
	else {
		include "root.php";
		require_once "resources/require.php";
	}

//set debug
	$debug = true; //true //false
	if($debug){
		$time5 = microtime(true);
		$insert_time=$insert_count=0;
	}

//increase limits
	set_time_limit(3600);
	ini_set('memory_limit', '256M');
	ini_set("precision", 6);

//set pdo attribute that enables exception handling
	$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);


	if (file_exists($_SERVER['DOCUMENT_ROOT'].PROJECT_PATH."/app/billing/app_config.php")){
		require_once "app/billing/resources/functions/rating.php";
	}
//define the process_xml_cdr function
	function process_xml_cdr($db, $leg, $xml_string) {
		//set global variable
			global $debug;

		//parse the xml to get the call detail record info
			try {
				$xml = simplexml_load_string($xml_string);
			}
			catch(Exception $e) {
				echo $e->getMessage();
			}

		//prepare the database object
			require_once "resources/classes/database.php";
			$database = new database;
			$database->table = "v_xml_cdr";

		//misc
			$uuid = check_str(urldecode($xml->variables->uuid));
			$database->fields['uuid'] = $uuid;
			$database->fields['accountcode'] = check_str(urldecode($xml->variables->accountcode));
			$database->fields['default_language'] = check_str(urldecode($xml->variables->default_language));
			$database->fields['bridge_uuid'] = check_str(urldecode($xml->variables->bridge_uuid));
			//$database->fields['digits_dialed'] = check_str(urldecode($xml->variables->digits_dialed));
			$database->fields['sip_hangup_disposition'] = check_str(urldecode($xml->variables->sip_hangup_disposition));
			$database->fields['pin_number'] = check_str(urldecode($xml->variables->pin_number));
		//time
			$database->fields['start_epoch'] = check_str(urldecode($xml->variables->start_epoch));
			$start_stamp = check_str(urldecode($xml->variables->start_stamp));
			$database->fields['start_stamp'] = $start_stamp;
			$database->fields['answer_stamp'] = check_str(urldecode($xml->variables->answer_stamp));
			$database->fields['answer_epoch'] = check_str(urldecode($xml->variables->answer_epoch));
			$database->fields['end_epoch'] = check_str(urldecode($xml->variables->end_epoch));
			$database->fields['end_stamp'] = check_str(urldecode($xml->variables->end_stamp));
			$database->fields['duration'] = check_str(urldecode($xml->variables->duration));
			$database->fields['mduration'] = check_str(urldecode($xml->variables->mduration));
			$database->fields['billsec'] = check_str(urldecode($xml->variables->billsec));
			$database->fields['billmsec'] = check_str(urldecode($xml->variables->billmsec));
		//codecs
			$database->fields['read_codec'] = check_str(urldecode($xml->variables->read_codec));
			$database->fields['read_rate'] = check_str(urldecode($xml->variables->read_rate));
			$database->fields['write_codec'] = check_str(urldecode($xml->variables->write_codec));
			$database->fields['write_rate'] = check_str(urldecode($xml->variables->write_rate));
			$database->fields['remote_media_ip'] = check_str(urldecode($xml->variables->remote_media_ip));
			$database->fields['hangup_cause'] = check_str(urldecode($xml->variables->hangup_cause));
			$database->fields['hangup_cause_q850'] = check_str(urldecode($xml->variables->hangup_cause_q850));
		//call center
			$database->fields['cc_side'] = check_str(urldecode($xml->variables->cc_side));
			$database->fields['cc_member_uuid'] = check_str(urldecode($xml->variables->cc_member_uuid));
			$database->fields['cc_queue_joined_epoch'] = check_str(urldecode($xml->variables->cc_queue_joined_epoch));
			$database->fields['cc_queue'] = check_str(urldecode($xml->variables->cc_queue));
			$database->fields['cc_member_session_uuid'] = check_str(urldecode($xml->variables->cc_member_session_uuid));
			$database->fields['cc_agent'] = check_str(urldecode($xml->variables->cc_agent));
			$database->fields['cc_agent_type'] = check_str(urldecode($xml->variables->cc_agent_type));
			$database->fields['waitsec'] = check_str(urldecode($xml->variables->waitsec));
		//app info
			$database->fields['last_app'] = check_str(urldecode($xml->variables->last_app));
			$database->fields['last_arg'] = check_str(urldecode($xml->variables->last_arg));
		//conference
			$database->fields['conference_name'] = check_str(urldecode($xml->variables->conference_name));
			$database->fields['conference_uuid'] = check_str(urldecode($xml->variables->conference_uuid));
			$database->fields['conference_member_id'] = check_str(urldecode($xml->variables->conference_member_id));
		//call quality
			$rtp_audio_in_mos = check_str(urldecode($xml->variables->rtp_audio_in_mos));
			if (strlen($rtp_audio_in_mos) > 0) {
				$database->fields['rtp_audio_in_mos'] = $rtp_audio_in_mos;
			}

		//get the values from the callflow.
			$x = 0;
			foreach ($xml->callflow as $row) {
				if ($x == 0) {
					$context = check_str(urldecode($row->caller_profile->context));
					$database->fields['destination_number'] = check_str(urldecode($row->caller_profile->destination_number));
					$database->fields['context'] = $context;
					$database->fields['network_addr'] = check_str(urldecode($row->caller_profile->network_addr));
				}
				$database->fields['caller_id_name'] = check_str(urldecode($row->caller_profile->caller_id_name));
				$database->fields['caller_id_number'] = check_str(urldecode($row->caller_profile->caller_id_number));
				$x++;
			}
			unset($x);

		//store the call leg
			$database->fields['leg'] = $leg;

		//store the call direction
			$database->fields['direction'] = check_str(urldecode($xml->variables->call_direction));

		//store post dial delay, in milliseconds
			$database->fields['pdd_ms'] = check_str(urldecode($xml->variables->progress_mediamsec) + urldecode($xml->variables->progressmsec));

		//get break down the date to year, month and day
			$tmp_time = strtotime($start_stamp);
			$tmp_year = date("Y", $tmp_time);
			$tmp_month = date("M", $tmp_time);
			$tmp_day = date("d", $tmp_time);

		//get the domain values from the xml
			$domain_name = check_str(urldecode($xml->variables->domain_name));
			$domain_uuid = check_str(urldecode($xml->variables->domain_uuid));

		//get the domain_uuid with the domain_name
			if (strlen($domain_uuid) == 0) {
				$sql = "select domain_uuid from v_domains ";
				if (strlen($domain_name) == 0 && $context != 'public' && $context != 'default') {
					$sql .= "where domain_name = '".$context."' ";
				}
				else {
					$sql .= "where domain_name = '".$domain_name."' ";
				}
				$row = $db->query($sql)->fetch();
				$domain_uuid = $row['domain_uuid'];
				if (strlen($domain_uuid) == 0) {
					$sql = "select domain_name, domain_uuid from v_domains ";
					$row = $db->query($sql)->fetch();
					$domain_uuid = $row['domain_uuid'];
					if (strlen($domain_name) == 0) { $domain_name = $row['domain_name']; }
				}
			}

		//set values in the database
			$database->domain_uuid = $domain_uuid;
			$database->fields['domain_uuid'] = $domain_uuid;
			$database->fields['domain_name'] = $domain_name;

		//check whether a recording exists
			$recording_relative_path = '/archive/'.$tmp_year.'/'.$tmp_month.'/'.$tmp_day;
			if (file_exists($_SESSION['switch']['recordings']['dir'].$recording_relative_path.'/'.$uuid.'.wav')) {
				$recording_file = $recording_relative_path.'/'.$uuid.'.wav';
			}
			elseif (file_exists($_SESSION['switch']['recordings']['dir'].$recording_relative_path.'/'.$uuid.'.mp3')) {
				$recording_file = $recording_relative_path.'/'.$uuid.'.mp3';
			}
			if(isset($recording_file) && !empty($recording_file)) {
				$database->fields['recording_file'] = $recording_file;
			}

		//save to the database in xml format
			if ($_SESSION['cdr']['format']['text'] == "xml" && $_SESSION['cdr']['storage']['text'] == "db") {
				$database->fields['xml'] = check_str($xml_string);
			}

		//save to the database in json format
			if ($_SESSION['cdr']['format']['text'] == "json" && $_SESSION['cdr']['storage']['text'] == "db") {
				$database->fields['json'] = check_str(json_encode($xml));
			}

		//insert the check_str($extension_uuid)
			if (strlen($xml->variables->extension_uuid) > 0) {
				$database->fields['extension_uuid'] = check_str(urldecode($xml->variables->extension_uuid));
			}

		//billing information
			if (file_exists($_SERVER['DOCUMENT_ROOT'].PROJECT_PATH."/app/billing/app_config.php")){
				$db2 = new database;
				$lcr_currency = (strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD');

				switch(check_str(urldecode($xml->variables->call_direction))){
					case "outbound":
							$destination_number = check_str(urldecode($xml->variables->lcr_query_digits));
							$destination_number_serie = number_series($destination_number);
							$database->fields['carrier_name'] = check_str(urldecode($xml->variables->lcr_carrier));
							$sql_rate ="SELECT v_lcr.connect_increment, v_lcr.talk_increment, v_lcr.currency FROM v_lcr, v_carriers WHERE v_carriers.carrier_name = '".$xml->variables->lcr_carrier."' AND v_lcr.rate=".$xml->variables->lcr_rate." AND v_lcr.lcr_direction = '".check_str(urldecode($xml->variables->call_direction))."' AND digits IN ($destination_number_serie) AND v_lcr.carrier_uuid = v_carriers.carrier_uuid  ORDER BY digits DESC, rate ASC limit 1";
							$sql_user_rate = "SELECT currency, connect_increment, talk_increment FROM v_lcr WHERE carrier_uuid IS NULL AND v_lcr.lcr_direction = '".check_str(urldecode($xml->variables->call_direction))."' AND digits IN ($destination_number_serie) ORDER BY digits DESC, rate ASC limit 1";
							if ($debug) {
								echo "sql_rate: $sql_rate\n";
								echo "sql_user_rate: $sql_user_rate\n";
							}

							$db2->sql = $sql_rate;
							$db2->result = $db2->execute();
//							print_r($db2->result);
							$lcr_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):'USD');
							$lcr_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);
							$lcr_rate = (strlen($xml->variables->lcr_rate)?$xml->variables->lcr_rate:0);
							$lcr_first_increment = (strlen($db2->result[0]['connect_increment'])?check_str($db2->result[0]['connect_increment']):60);
							$lcr_second_increment = (strlen($db2->result[0]['talk_increment'])?check_str($db2->result[0]['talk_increment']):60);
							unset($db2->sql);
							unset($db2->result);

							$db2->sql = $sql_user_rate;
							$db2->result = $db2->execute();
							$lcr_user_rate = (strlen($xml->variables->lcr_user_rate)?$xml->variables->lcr_user_rate:0.01);
							$lcr_user_first_increment = (strlen($db2->result[0]['connect_increment'])?check_str($db2->result[0]['connect_increment']):60);
							$lcr_user_second_increment = (strlen($db2->result[0]['talk_increment'])?check_str($db2->result[0]['talk_increment']):60);
							$lcr_user_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);

							unset($db2->sql);
							unset($db2->result);
							break;
					case "inbound":
							$caller_number = check_str(urldecode($row->caller_profile->caller_id_number));
							$caller_number_serie = number_series($caller_number);
							$sql_user_rate = "SELECT v_lcr.currency, v_lcr.rate, v_lcr.connect_increment, v_lcr.talk_increment, v_lcr.currency FROM v_lcr WHERE v_lcr.carrier_uuid IS NULL AND v_lcr.enabled='true' AND v_lcr.lcr_direction='inbound' AND v_lcr.digits IN (".$caller_number_serie.") ORDER BY digits DESC, rate ASC, date_start DESC LIMIT 1";
							if ($debug) {
								echo "sql_user_rate: $sql_user_rate\n";
							}

							$db2->sql = $sql_user_rate;
							$db2->result = $db2->execute();

							// If selling rate is found, then we fill with data, otherwise rate will be 0
							$lcr_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);
							$lcr_user_rate = (strlen($db2->result[0]['rate']))?strlen($db2->result[0]['rate']):0;
							$lcr_user_first_increment = (strlen($db2->result[0]['connect_increment']))?strlen($db2->result[0]['connect_increment']):60;
							$lcr_user_second_increment = (strlen($db2->result[0]['talk_increment']))?strlen($db2->result[0]['talk_increment']):60;
							$lcr_user_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);

							// Actually, there is no way to detect what carrier is the calling comming from using current information
							$lcr_rate = 0; $lcr_first_increment = 0; $lcr_second_increment = 0;
							unset($db2->sql);
							unset($db2->result);
							break;
					case "local":
							$destination_number = check_str(urldecode($xml->variables->lcr_query_digits));
							$destination_number_serie = number_series($destination_number);
							$sql_user_rate = "SELECT v_lcr.currency, v_lcr.rate, v_lcr.connect_increment, v_lcr.talk_increment, v_lcr.currency FROM v_lcr WHERE v_lcr.carrier_uuid IS NULL AND v_lcr.enabled='true' AND v_lcr.lcr_direction='local' AND v_lcr.digits IN (".$destination_number_serie.") ORDER BY digits DESC, rate ASC, date_start DESC LIMIT 1";
							if ($debug) {
								echo "sql_user_rate: $sql_user_rate\n";
							}

							$db2->sql = $sql_user_rate;
							$db2->result = $db2->execute();

							// If selling rate is found, then we fill with data, otherwise rate will be 0
							$lcr_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);
							$lcr_user_rate = (strlen($db2->result[0]['rate']))?strlen($$db2->result[0]['rate']):0;
							$lcr_user_first_increment = (strlen($db2->result[0]['connect_increment']))?strlen($db2->result[0]['connect_increment']):60;
							$lcr_user_second_increment = (strlen($db2->result[0]['talk_increment']))?strlen($db2->result[0]['talk_increment']):60;
							$lcr_user_currency = (strlen($db2->result[0]['currency'])?check_str($db2->result[0]['currency']):
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
							);


							// Actually, internal calls have 0 cost
							$lcr_rate = 0; $lcr_first_increment = 0; $lcr_second_increment = 0;
							unset($db2->sql);
							unset($db2->result);
							break;
				}

				// Please note that we save values using LCR currency, but we discount balance in billing currency

				$time = check_str(urldecode($xml->variables->billsec));
				$call_buy = call_cost($lcr_rate, $lcr_first_increment, $lcr_second_increment, $time);
				$call_sell = call_cost($lcr_user_rate, $lcr_user_first_increment, $lcr_user_second_increment, $time);
				// Costs/Sell call are in original LCR currency, they need to be converted

				$database->fields['call_buy']  = check_str($call_buy);
				$database->fields['call_sell'] = check_str($call_sell);

				$db2->table = "v_xml_cdr";
				$accountcode = (strlen(urldecode($xml->variables->accountcode)))?check_str(urldecode($xml->variables->accountcode)):$domain_name;

				$db2->sql = "SELECT currency FROM v_billings WHERE type_value='$accountcode' LIMIT 1";
				$db2->result = $db2->execute();

				$actual_currency = (strlen($lcr_currency)?
								$lcr_currency:
								(strlen($_SESSION['billing']['currency']['text'])?$_SESSION['billing']['currency']['text']:'USD')
				);
				$billing_currency = (strlen($db2->result[0]['currency'])?$db2->result[0]['currency']:$default_currency);

				if ($debug) {
					echo "sql: " . $db2->sql . "\n";
					echo "c ".$database->fields['carrier_name']."\n";
					echo "t $time\n";
					echo "b r:$lcr_rate - $lcr_first_increment - $lcr_first_increment = $call_buy\n";
					echo "s r:$lcr_user_rate - $lcr_user_first_increment - $lcr_user_second_increment = $call_sell\n";
					echo "lcr currency $lcr_currency\n";
					echo "actual currency $actual_currency\n";
					echo "user currency $lcr_user_currency\n";
					echo "billing currency $billing_currency\n";
				}

				unset($database->sql);
				unset($database->result);

				$sql_balance = "SELECT balance, old_balance FROM v_billings WHERE type_value='".check_str(urldecode($xml->variables->accountcode))."'";
				$db2->sql = $sql_balance;
				$db2->result = $db2->execute();
				$balance = $db2->result[0]['balance'];
				$old_balance = $db2->result[0]['old_balance'];

				if ($debug) {
					echo "sql_balance: $sql_balance\n";
					echo "bal: $balance\n";
					echo "old bal: $old_balance\n";
				}

				// Lets convert rate from lcr_currency to billing_currency
				$billing_call_sell = currency_convert($call_sell, $billing_currency, $lcr_user_currency);

				if ($debug) {
					echo "bcs: $billing_call_sell $billing_currency\n";
				}

				// Remember that old_balance is using billing_currency
				$updated_balance = (double)$old_balance - (double)$billing_call_sell;
				unset($db2->sql);
				unset($db2->result);

				$sql_update_balance = "UPDATE v_billings SET balance=$updated_balance, old_balance=$updated_balance WHERE type_value='".check_str(urldecode($xml->variables->accountcode))."'";
				if ($debug) {
					echo "sql_update_balance: $sql_update_balance\n";
				}
				$db2->sql = $sql_update_balance;
				$db2->result = $db2->execute();
				unset($db2->sql);
				unset($db2->result);

			}

		//insert xml_cdr into the db
			if (strlen($start_stamp) > 0) {
				$database->add();
				if ($debug) {
					echo $database->sql."\n";
				}
			}

		//insert the values
			if (strlen($uuid) > 0) {
				if ($debug) {
					$time5_insert = microtime(true);
					//echo $sql."<br />\n";
				}
				try {
					$error = "false";
					//$db->exec(check_sql($sql));
				}
				catch(PDOException $e) {
					$tmp_dir = $_SESSION['switch']['log']['dir'].'/xml_cdr/failed/';
					if(!file_exists($tmp_dir)) {
						mkdir($tmp_dir, 0777, true);
					}
					if ($_SESSION['cdr']['format']['text'] == "xml") {
						$tmp_file = $uuid.'.xml';
						$fh = fopen($tmp_dir.'/'.$tmp_file, 'w');
						fwrite($fh, $xml_string);
					}
					else {
						$tmp_file = $uuid.'.json';
						$fh = fopen($tmp_dir.'/'.$tmp_file, 'w');
						fwrite($fh, json_encode($xml));
					}
					fclose($fh);
					if ($debug) {
						echo $e->getMessage();
					}
					$error = "true";
				}

				if ($_SESSION['cdr']['storage']['text'] == "dir" && $error != "true") {
					if (strlen($uuid) > 0) {
						$tmp_time = strtotime($start_stamp);
						$tmp_year = date("Y", $tmp_time);
						$tmp_month = date("M", $tmp_time);
						$tmp_day = date("d", $tmp_time);
						$tmp_dir = $_SESSION['switch']['log']['dir'].'/xml_cdr/archive/'.$tmp_year.'/'.$tmp_month.'/'.$tmp_day;
						if(!file_exists($tmp_dir)) {
							mkdir($tmp_dir, 0777, true);
						}
						if ($_SESSION['cdr']['format']['text'] == "xml") {
							$tmp_file = $uuid.'.xml';
							$fh = fopen($tmp_dir.'/'.$tmp_file, 'w');
							fwrite($fh, $xml_string);
						}
						else {
							$tmp_file = $uuid.'.json';
							$fh = fopen($tmp_dir.'/'.$tmp_file, 'w');
							fwrite($fh, json_encode($xml));
						}
						fclose($fh);
					}
				}
				unset($error);

				if ($debug) {
					GLOBAL $insert_time,$insert_count;
					$insert_time+=microtime(true)-$time5_insert; //add this current query.
					$insert_count++;
				}
			}
			unset($sql);
	}

//get cdr details from the http post
	if (strlen($_POST["cdr"]) > 0) {
			if ($debug){
				print_r ($_POST["cdr"]);
			}
		//authentication for xml cdr http post
			if (strlen($_SESSION["xml_cdr"]["http_enabled"]) == 0) {
				//get the contents of xml_cdr.conf.xml
					$conf_xml_string = file_get_contents($_SESSION['switch']['conf']['dir'].'/autoload_configs/xml_cdr.conf.xml');

				//parse the xml to get the call detail record info
					try {
						$conf_xml = simplexml_load_string($conf_xml_string);
					}
					catch(Exception $e) {
						echo $e->getMessage();
					}
					$_SESSION["xml_cdr"]["http_enabled"] = false;
					foreach ($conf_xml->settings->param as $row) {
						if ($row->attributes()->name == "cred") {
							$auth_array = explode(":", $row->attributes()->value);
							$_SESSION["xml_cdr"]["username"] = $auth_array[0];
							$_SESSION["xml_cdr"]["password"] = $auth_array[1];
							//echo "username: ".$_SESSION["xml_cdr"]["username"]."<br />\n";
							//echo "password: ".$_SESSION["xml_cdr"]["password"]."<br />\n";
						}
						if ($row->attributes()->name == "url") {
							$_SESSION["xml_cdr"]["http_enabled"] = true;
						}
					}
			}

		//if http enabled is set to false then deny access
			if (!$_SESSION["xml_cdr"]["http_enabled"]) {
				echo "access denied<br />\n";
				return;
			}

		//check for the correct username and password
			if ($_SESSION["xml_cdr"]["username"] == $_SERVER["PHP_AUTH_USER"] && $_SESSION["xml_cdr"]["password"] == $_SERVER["PHP_AUTH_PW"]) {
				//echo "access granted<br />\n";
			}
			else {
				echo "access denied<br />\n";
				return;
			}
		//loop through all attribues
			//foreach($xml->settings->param[1]->attributes() as $a => $b) {
			//		echo $a,'="',$b,"\"<br />\n";
			//}

		//get the http post variable
			$xml_string = trim($_POST["cdr"]);

		//get the leg of the call
			if (substr($_REQUEST['uuid'], 0, 2) == "a_") {
				$leg = "a";
			}
			else {
				$leg = "b";
			}

		//parse the xml and insert the data into the db
			process_xml_cdr($db, $leg, $xml_string);
	}

//check the filesystem for xml cdr records that were missed
	$xml_cdr_dir = $_SESSION['switch']['log']['dir'].'/xml_cdr';
	$dir_handle = opendir($xml_cdr_dir);
	$x = 0;
	while($file=readdir($dir_handle)) {
		if ($file != '.' && $file != '..') {
			if ( !is_dir($xml_cdr_dir . '/' . $file) ) {
				//get the leg of the call
					if (substr($file, 0, 2) == "a_") {
						$leg = "a";
					}
					else {
						$leg = "b";
					}

				//get the xml cdr string
					$xml_string = file_get_contents($xml_cdr_dir.'/'.$file);

				//parse the xml and insert the data into the db
					process_xml_cdr($db, $leg, $xml_string);

				//delete the file after it has been imported
					unlink($xml_cdr_dir.'/'.$file);

				$x++;
			}
		}
	}
	closedir($dir_handle);

//debug true
	if ($debug) {
		$content = ob_get_contents(); //get the output from the buffer
		ob_end_clean(); //clean the buffer
		$time = "\n\n$insert_count inserts in: ".number_format($insert_time,5). " seconds.\n";
		$time .= "Other processing time: ".number_format((microtime(true)-$time5-$insert_time),5). " seconds.\n";
		$fp = fopen($_SESSION['server']['temp']['dir'].'/xml_cdr.log', 'w');
		fwrite($fp, $content.$time);
		fclose($fp);
	}

?>