Merge pull request #1174 from moteus/intercept_load_balance
Add. Support intercept FIFO/CallCenter/Enterprise in load balancing mode
This commit is contained in:
FusionPBX
commit
573078e5bb
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@ -24,9 +24,10 @@
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-- Errol W Samuels <ewsamuels@gmail.com>
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--user defined variables
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max_tries = "3";
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digit_timeout = "5000";
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extension = argv[1];
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local extension = argv[1];
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-- we can use any number because other box should check sip_h_X_*** headers first
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local pickup_number = '*8' -- extension and '**' or '*8'
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--set the debug options
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debug["sql"] = false;
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@ -34,139 +35,298 @@
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--include config.lua
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require "resources.functions.config";
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--connect to the database
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if (file_exists(database_dir.."/core.db")) then
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--dbh = freeswitch.Dbh("core:core"); -- when using sqlite
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dbh = freeswitch.Dbh("sqlite://"..database_dir.."/core.db");
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else
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require "resources.functions.database_handle";
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dbh = database_handle('switch');
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end
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--add the function
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require "resources.functions.explode";
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require "resources.functions.trim";
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require "resources.functions.channel_utils";
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--prepare the api object
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api = freeswitch.API();
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--add the function
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require "resources.functions.trim";
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require "resources.functions.channel_utils";
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--Get intercept logger
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local log = require "resources.functions.log".intercept
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--exits the script if we didn't connect properly
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assert(dbh:connected());
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if ( session:ready() ) then
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--answer the session
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session:answer();
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--get session variables
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pin_number = session:getVariable("pin_number");
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sounds_dir = session:getVariable("sounds_dir");
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domain_uuid = session:getVariable("domain_uuid");
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domain_name = session:getVariable("domain_name");
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context = session:getVariable("context");
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sofia_profile_name = session:getVariable("sofia_profile_name");
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--set the sounds path for the language, dialect and voice
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default_language = session:getVariable("default_language");
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default_dialect = session:getVariable("default_dialect");
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default_voice = session:getVariable("default_voice");
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if (not default_language) then default_language = 'en'; end
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if (not default_dialect) then default_dialect = 'us'; end
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if (not default_voice) then default_voice = 'callie'; end
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--set defaults
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if (digit_min_length) then
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--do nothing
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else
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digit_min_length = "2";
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end
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if (digit_max_length) then
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--do nothing
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else
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digit_max_length = "11";
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end
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--if the pin number is provided then require it
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if (pin_number) then
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--sleep
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session:sleep(500);
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--get the user pin number
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min_digits = 2;
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max_digits = 20;
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digits = session:playAndGetDigits(min_digits, max_digits, max_tries, digit_timeout, "#", "phrase:voicemail_enter_pass:#", "", "\\d+");
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--validate the user pin number
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pin_number_table = explode(",",pin_number);
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for index,pin_number in pairs(pin_number_table) do
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if (digits == pin_number) then
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--set the variable to true
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auth = true;
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--set the authorized pin number that was used
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session:setVariable("pin_number", pin_number);
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--end the loop
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break;
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end
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end
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--if not authorized play a message and then hangup
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if (not auth) then
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session:streamFile("phrase:voicemail_fail_auth:#");
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session:hangup("NORMAL_CLEARING");
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return;
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end
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end
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--predefined variables
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uuid = '';
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call_hostname = '';
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callee_num = '';
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--check the database to get the uuid of a ringing call
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sql = "select uuid, call_uuid, hostname, callee_num, ip_addr from channels ";
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sql = sql .. "where callstate in ('RINGING', 'EARLY') ";
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--sql = sql .. "AND direction = 'outbound' ";
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if (extension) then
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sql = sql .. "and presence_id = '"..extension.."@"..domain_name.."' ";
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else
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if (domain_count > 1) then
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sql = sql .. "and context = '"..context.."' ";
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end
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end
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if (debug["sql"]) then
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freeswitch.consoleLog("NOTICE", "sql "..sql.."\n");
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end
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dbh:query(sql, function(result)
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--for key, val in pairs(result) do
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-- freeswitch.consoleLog("NOTICE", "result "..key.." "..val.."\n");
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--end
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if result.uuid == result.call_uuid then
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uuid = channel_variable(result.uuid, 'ent_originate_aleg_uuid') or
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channel_variable(result.uuid, 'cc_member_session_uuid') or
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channel_variable(result.uuid, 'fifo_bridge_uuid') or
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result.uuid
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else
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uuid = result.call_uuid;
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end
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call_hostname = result.hostname;
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callee_num = result.callee_num;
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end);
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end
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--include database class
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local Database = require "resources.functions.database"
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--get the hostname
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hostname = trim(api:execute("hostname", ""));
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freeswitch.consoleLog("NOTICE", "Hostname:"..hostname.." Call Hostname:"..call_hostname.."\n");
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local hostname = trim(api:execute("switchname", ""));
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-- redirect call to another box
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local function make_proxy_call(destination, call_hostname)
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destination = destination .. "@" .. domain_name
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local profile, proxy = "internal", call_hostname;
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local sip_auth_username = session:getVariable("sip_auth_username");
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local sip_auth_password = api:execute("user_data", sip_auth_username .. "@" .. domain_name .." param password");
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local auth = "sip_auth_username="..sip_auth_username..",sip_auth_password='"..sip_auth_password.."'"
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dial_string = "{sip_invite_domain=" .. domain_name .. "," .. auth .. "}sofia/" .. profile .. "/" .. destination .. ";fs_path=sip:" .. proxy;
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log.notice("Send call to other host....");
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session:execute("bridge", dial_string);
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end
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-- check pin number if defined
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local function pin(pin_number)
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if not pin_number then
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return true
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end
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--sleep
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session:sleep(500);
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--get the user pin number
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local min_digits = 2;
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local max_digits = 20;
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local max_tries = "3";
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local digit_timeout = "5000";
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local digits = session:playAndGetDigits(min_digits, max_digits, max_tries, digit_timeout, "#", "phrase:voicemail_enter_pass:#", "", "\\d+");
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--validate the user pin number
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local pin_number_table = explode(",",pin_number);
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for index,pin_number in pairs(pin_number_table) do
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if (digits == pin_number) then
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--set the authorized pin number that was used
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session:setVariable("pin_number", pin_number);
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--done
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return true;
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end
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end
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--if not authorized play a message and then hangup
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session:streamFile("phrase:voicemail_fail_auth:#");
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session:hangup("NORMAL_CLEARING");
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return;
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end
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-- do intercept if we get redirected request from another box
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local function proxy_intercept()
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-- Proceed calls from other boxes
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-- Check if this call from other box with setted intercept_uuid
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local intercept_uuid = session:getVariable("sip_h_X-intercept_uuid")
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if intercept_uuid and #intercept_uuid > 0 then
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log.notice("Get intercept_uuid from sip header. Do intercept....")
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session:execute("intercept", intercept_uuid)
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return true
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end
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-- Check if this call from other box and we need parent uuid for channel
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local child_intercept_uuid = session:getVariable("sip_h_X-child_intercept_uuid")
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if (not child_intercept_uuid) or (#child_intercept_uuid == 0) then
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return
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end
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-- search parent uuid
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log.notice("Get child_intercept_uuid from sip header.")
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local parent_uuid =
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channel_variable(child_intercept_uuid, 'ent_originate_aleg_uuid') or
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channel_variable(child_intercept_uuid, 'cc_member_session_uuid') or
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channel_variable(child_intercept_uuid, 'fifo_bridge_uuid') or
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child_intercept_uuid
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if parent_uuid == child_intercept_uuid then
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log.notice("Can not found parent call. Try intercept child.")
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session:execute("intercept", child_intercept_uuid)
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return true
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end
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-- search parent hostname
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call_hostname = hostname
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--[[ parent and child have to be on same box so we do not search it
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log.notice("Found parent channel try detect parent hostname")
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local dbh = Database.new('switch')
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local sql = "SELECT hostname FROM channels WHERE uuid='" .. parent_uuid .. "'"
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local call_hostname = dbh:first_value(sql)
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dbh:release()
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if not call_hostname then
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log.notice("Can not find host name. Channels is dead?")
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return true
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end
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--]]
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if hostname == call_hostname then
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log.notice("Found parent call on local machine. Do intercept....")
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session:execute("intercept", parent_uuid);
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return true
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end
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log.noticef("Found parent call on remote machine `%s`.", call_hostname)
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session:execute("export", "sip_h_X-intercept_uuid="..parent_uuid);
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make_proxy_call(pickup_number, call_hostname)
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return true
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end
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-- return array of extensions for group
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local function select_group_extensions()
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-- connect to Fusion database
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local dbh = Database.new('system');
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--get the call groups the extension is a member of
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local sql = "SELECT call_group FROM v_extensions ";
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sql = sql .. "WHERE domain_uuid = '"..domain_uuid.."' ";
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sql = sql .. "AND (extension = '"..caller_id_number.."'";
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sql = sql .. "OR number_alias = '"..caller_id_number.."')";
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sql = sql .. "limit 1";
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local call_group = dbh:first_value(sql) or ''
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log.noticef("call_group: `%s`", call_group);
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call_groups = explode(",", call_group);
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--get the extensions in the call groups
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sql = "SELECT extension, number_alias FROM v_extensions ";
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sql = sql .. "WHERE domain_uuid = '"..domain_uuid.."' ";
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sql = sql .. "AND (";
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for key,call_group in ipairs(call_groups) do
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if (key > 1) then
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sql = sql .. "OR ";
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end
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if (#call_group > 0) then
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sql = sql .. "call_group like '%"..call_group.."%' ";
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else
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sql = sql .. "call_group = '' ";
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end
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end
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sql = sql .. ") ";
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if (debug["sql"]) then
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log.notice("sql "..sql);
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end
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local extensions = {}
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dbh:query(sql, function(row)
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local member = row.extension
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if row.number_alias and #row.number_alias > 0 then
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member = row.number_alias
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end
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extensions[#extensions+1] = member
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log.noticef("member `%s`", member)
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end);
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-- release Fusion database
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dbh:release()
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-- return result
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return extensions
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end
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--check if the session is ready
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if ( session:ready() ) then
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--answer the session
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session:answer();
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--get session variables
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domain_uuid = session:getVariable("domain_uuid");
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domain_name = session:getVariable("domain_name");
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pin_number = session:getVariable("pin_number");
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context = session:getVariable("context");
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caller_id_number = session:getVariable("caller_id_number");
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end
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--check if the session is ready
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if ( session:ready() ) then
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if proxy_intercept() then
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return
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end
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end
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--check if the session is ready
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if ( session:ready() ) then
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--if the pin number is provided then require it
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if not pin(pin_number) then
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return
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end
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end
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if ( session:ready() ) then
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-- select intercept mode
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if not extension then
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log.notice("GROUP INTERCEPT")
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extensions = select_group_extensions()
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else
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log.noticef("INTERCEPT %s", extension)
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extensions = {extension}
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end
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--connect to FS database
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local dbh = Database.new('switch')
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--check the database to get the uuid of a ringing call
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call_hostname = "";
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sql = "SELECT uuid, call_uuid, hostname FROM channels ";
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sql = sql .. "WHERE callstate in ('RINGING', 'EARLY') ";
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-- next check should prevent pickup call from extension
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-- e.g. if extension 100 dial some cell phone and some one else dial *8
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-- he can pickup this call.
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-- if not extension then
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-- sql = sql .. "AND direction = 'outbound' ";
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-- end
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sql = sql .. "AND (1=1 ";
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for key,extension in pairs(extensions) do
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sql = sql .. "OR presence_id = '"..extension.."@"..domain_name.."' ";
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end
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sql = sql .. ") ";
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sql = sql .. "and call_uuid is not null ";
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sql = sql .. "limit 1 ";
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if (debug["sql"]) then
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log.notice("sql "..sql);
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end
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local is_child
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dbh:query(sql, function(row)
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-- for key, val in pairs(row) do
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-- log.notice("row "..key.." "..val);
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-- end
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-- log.notice("-----------------------");
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is_child = (row.uuid == row.call_uuid)
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uuid = row.call_uuid;
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call_hostname = row.hostname;
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end);
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if is_child then
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-- we need intercept `parent` call e.g. call in FIFO/CallCenter Queue
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if (call_hostname == hostname) then
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log.notice("Found child call on local machine. Try find parent channel.")
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local parent_uuid =
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channel_variable(uuid, 'ent_originate_aleg_uuid') or
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channel_variable(uuid, 'cc_member_session_uuid') or
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channel_variable(uuid, 'fifo_bridge_uuid') or
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uuid
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--[[ parent and child have to be on same box so we do not search it
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if parent_uuid ~= uuid then
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local sql = "SELECT hostname FROM channels WHERE uuid='" .. uuid .. "'"
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call_hostname = dbh:first_value(sql)
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end
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--]]
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if call_hostname then
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uuid = parent_uuid
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if call_hostname ~= hostname then
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log.noticef("Found parent call on remote machine `%s`.", call_hostname)
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else
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log.notice("Found parent call on local machine.")
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end
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end
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else
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log.noticef("Found child call on remote machine `%s`.", call_hostname)
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-- we can not find parent on this box because channel on other box so we have to
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-- forward call to this box
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session:execute("export", "sip_h_X-child_intercept_uuid="..uuid);
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return make_proxy_call(pickup_number, call_hostname)
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end
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end
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--release FS database
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dbh:release()
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end
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log.noticef( "Hostname: %s Call Hostname: %s", hostname, call_hostname);
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--intercept a call that is ringing
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if (uuid) then
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if (uuid ~= nil) then
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if (session:getVariable("billmsec") == nil) then
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if (hostname == call_hostname) then
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session:execute("intercept", uuid);
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else
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session:execute("export", "sip_h_X-intercept_uuid="..uuid);
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session:execute("export", "sip_h_X-domain_uuid="..domain_uuid);
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session:execute("export", "sip_h_X-domain_name="..domain_name);
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session:execute("export", "sip_h_X-callee_num="..callee_num);
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port = freeswitch.getGlobalVariable(sofia_profile_name.."_sip_port");
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session:execute("bridge", "sofia/"..sofia_profile_name.."/**@"..call_hostname..":"..port);
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freeswitch.consoleLog("NOTICE", "Send call to other host.... \n");
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make_proxy_call(pickup_number, call_hostname)
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end
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end
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end
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@ -14,223 +14,5 @@
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--
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-- The Original Code is FusionPBX
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--
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-- The Initial Developer of the Original Code is
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-- Mark J Crane <markjcrane@fusionpbx.com>
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-- Copyright (C) 2010 - 2014
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-- the Initial Developer. All Rights Reserved.
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--
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-- Contributor(s):
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-- Mark J Crane <markjcrane@fusionpbx.com>
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--user defined variables
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max_tries = "3";
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digit_timeout = "5000";
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extension = argv[1];
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--set the debug options
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debug["sql"] = false;
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--include config.lua
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require "resources.functions.config";
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--add the function
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require "resources.functions.explode";
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require "resources.functions.trim";
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require "resources.functions.channel_utils";
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--prepare the api object
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api = freeswitch.API();
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--connect to the database
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require "resources.functions.database_handle";
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dbh = database_handle('system');
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--get the hostname
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hostname = trim(api:execute("switchname", ""));
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--check if the session is ready
|
||||
if ( session:ready() ) then
|
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--answer the session
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session:answer();
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|
||||
--get session variables
|
||||
domain_uuid = session:getVariable("domain_uuid");
|
||||
domain_name = session:getVariable("domain_name");
|
||||
pin_number = session:getVariable("pin_number");
|
||||
sounds_dir = session:getVariable("sounds_dir");
|
||||
context = session:getVariable("context");
|
||||
caller_id_number = session:getVariable("caller_id_number");
|
||||
sofia_profile_name = session:getVariable("sofia_profile_name");
|
||||
|
||||
--set the sounds path for the language, dialect and voice
|
||||
default_language = session:getVariable("default_language");
|
||||
default_dialect = session:getVariable("default_dialect");
|
||||
default_voice = session:getVariable("default_voice");
|
||||
if (not default_language) then default_language = 'en'; end
|
||||
if (not default_dialect) then default_dialect = 'us'; end
|
||||
if (not default_voice) then default_voice = 'callie'; end
|
||||
|
||||
--set defaults
|
||||
if (digit_min_length) then
|
||||
--do nothing
|
||||
else
|
||||
digit_min_length = "2";
|
||||
end
|
||||
|
||||
if (digit_max_length) then
|
||||
--do nothing
|
||||
else
|
||||
digit_max_length = "11";
|
||||
end
|
||||
|
||||
--if the pin number is provided then require it
|
||||
if (pin_number) then
|
||||
--sleep
|
||||
session:sleep(500);
|
||||
--get the user pin number
|
||||
min_digits = 2;
|
||||
max_digits = 20;
|
||||
digits = session:playAndGetDigits(min_digits, max_digits, max_tries, digit_timeout, "#", "phrase:voicemail_enter_pass:#", "", "\\d+");
|
||||
--validate the user pin number
|
||||
pin_number_table = explode(",",pin_number);
|
||||
for index,pin_number in pairs(pin_number_table) do
|
||||
if (digits == pin_number) then
|
||||
--set the variable to true
|
||||
auth = true;
|
||||
--set the authorized pin number that was used
|
||||
session:setVariable("pin_number", pin_number);
|
||||
--end the loop
|
||||
break;
|
||||
end
|
||||
end
|
||||
--if not authorized play a message and then hangup
|
||||
if (not auth) then
|
||||
session:streamFile("phrase:voicemail_fail_auth:#");
|
||||
session:hangup("NORMAL_CLEARING");
|
||||
return;
|
||||
end
|
||||
end
|
||||
|
||||
--get the call groups the extension is a member of
|
||||
sql = "SELECT call_group FROM v_extensions ";
|
||||
sql = sql .. "WHERE domain_uuid = '"..domain_uuid.."' ";
|
||||
sql = sql .. "AND (extension = '"..caller_id_number.."'";
|
||||
sql = sql .. "OR number_alias = '"..caller_id_number.."')";
|
||||
status = dbh:query(sql, function(row)
|
||||
call_group = row.call_group;
|
||||
freeswitch.consoleLog("NOTICE", "[intercept_group] call_group: "..call_group.."\n");
|
||||
end);
|
||||
call_groups = explode(",", call_group);
|
||||
|
||||
--get the extensions in the call groups
|
||||
sql = "SELECT extension, number_alias FROM v_extensions ";
|
||||
sql = sql .. "WHERE domain_uuid = '"..domain_uuid.."' ";
|
||||
sql = sql .. "AND (";
|
||||
x = 0;
|
||||
for key,call_group in pairs(call_groups) do
|
||||
if (x == 0) then
|
||||
if (string.len(call_group) > 0) then
|
||||
sql = sql .. "call_group like '%"..call_group.."%' ";
|
||||
else
|
||||
sql = sql .. "call_group = '' ";
|
||||
end
|
||||
else
|
||||
if (string.len(call_group) > 0) then
|
||||
sql = sql .. "OR call_group like '%"..call_group.."%' ";
|
||||
end
|
||||
end
|
||||
x = x + 1;
|
||||
end
|
||||
x = 0;
|
||||
sql = sql .. ") ";
|
||||
if (debug["sql"]) then
|
||||
freeswitch.consoleLog("NOTICE", "[intercept_group] sql "..sql.."\n");
|
||||
end
|
||||
extensions = {}
|
||||
status = dbh:query(sql, function(row)
|
||||
local member = row.extension
|
||||
if row.number_alias and #row.number_alias > 0 then
|
||||
member = row.number_alias
|
||||
end
|
||||
extensions[x] = member
|
||||
freeswitch.consoleLog("NOTICE", "[intercept_group] member "..extensions[x].."\n");
|
||||
x = x + 1;
|
||||
end);
|
||||
|
||||
--connect to the database
|
||||
if (file_exists(database_dir.."/core.db")) then
|
||||
--dbh = freeswitch.Dbh("core:core"); -- when using sqlite
|
||||
dbh = freeswitch.Dbh("sqlite://"..database_dir.."/core.db");
|
||||
else
|
||||
require "resources.functions.database_handle";
|
||||
dbh = database_handle('switch');
|
||||
end
|
||||
|
||||
--exits the script if we didn't connect properly
|
||||
assert(dbh:connected());
|
||||
|
||||
--check the database to get the uuid of a ringing call
|
||||
call_hostname = "";
|
||||
sql = "SELECT uuid, call_uuid, hostname, ip_addr FROM channels ";
|
||||
sql = sql .. "WHERE callstate in ('RINGING', 'EARLY') ";
|
||||
--sql = sql .. "AND direction = 'outbound' ";
|
||||
sql = sql .. "AND (";
|
||||
x = 0;
|
||||
for key,extension in pairs(extensions) do
|
||||
if (x == 0) then
|
||||
sql = sql .. " presence_id = '"..extension.."@"..domain_name.."' ";
|
||||
else
|
||||
sql = sql .. "OR presence_id = '"..extension.."@"..domain_name.."' ";
|
||||
end
|
||||
x = x + 1;
|
||||
end
|
||||
sql = sql .. ") ";
|
||||
sql = sql .. "and call_uuid is not null ";
|
||||
sql = sql .. "and direction = 'outbound' ";
|
||||
--if (domain_count > 1) then
|
||||
-- sql = sql .. "and context = '"..context.."' ";
|
||||
--end
|
||||
sql = sql .. "limit 1 ";
|
||||
if (debug["sql"]) then
|
||||
freeswitch.consoleLog("NOTICE", "[intercept_group] sql "..sql.."\n");
|
||||
end
|
||||
dbh:query(sql, function(row)
|
||||
--for key, val in pairs(row) do
|
||||
-- freeswitch.consoleLog("NOTICE", "row "..key.." "..val.."\n");
|
||||
--end
|
||||
if row.uuid == row.call_uuid then
|
||||
uuid = channel_variable(row.uuid, 'ent_originate_aleg_uuid') or
|
||||
channel_variable(row.uuid, 'cc_member_session_uuid') or
|
||||
channel_variable(row.uuid, 'fifo_bridge_uuid') or
|
||||
row.uuid
|
||||
else
|
||||
uuid = row.call_uuid;
|
||||
end
|
||||
call_hostname = row.hostname;
|
||||
ip_addr = row.ip_addr;
|
||||
end);
|
||||
end
|
||||
|
||||
freeswitch.consoleLog("NOTICE", "Hostname:"..hostname.." Call Hostname:"..call_hostname.."\n");
|
||||
|
||||
--intercept a call that is ringing
|
||||
if (uuid ~= nil) then
|
||||
if (session:getVariable("billmsec") == nil) then
|
||||
if (hostname == call_hostname) then
|
||||
session:execute("intercept", uuid);
|
||||
else
|
||||
session:execute("export", "sip_h_X-intercept_uuid="..uuid);
|
||||
session:execute("export", "sip_h_X-domain_uuid="..domain_uuid);
|
||||
session:execute("export", "sip_h_X-domain_name="..domain_name);
|
||||
port = freeswitch.getGlobalVariable(sofia_profile_name.."_sip_port");
|
||||
session:execute("bridge", "sofia/"..sofia_profile_name.."/*8@"..call_hostname..":"..port);
|
||||
freeswitch.consoleLog("NOTICE", "Send call to other host.... \n");
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
--notes
|
||||
--originate a call
|
||||
--cmd = "originate user/1007@voip.example.com &intercept("..uuid..")";
|
||||
--api = freeswitch.API();
|
||||
--result = api:executeString(cmd);
|
||||
require "intercept"
|
||||
|
|
|
|||
|
|
@ -81,9 +81,9 @@ function Database.__self_test__(name)
|
|||
local db = Database.new(name or 'system')
|
||||
assert(db:connected())
|
||||
|
||||
assert("1" == db:first_value("select 1 as v"))
|
||||
assert("1" == db:first_value("select 1 as v union all select 2 as v"))
|
||||
|
||||
local t = assert(db:first_row("select 1 as v"))
|
||||
local t = assert(db:first_row("select 1 as v union all select 2 as v"))
|
||||
assert(t.v == "1")
|
||||
|
||||
t = assert(db:fetch_all("select 1 as v union all select 2 as v"))
|
||||
|
|
@ -99,10 +99,13 @@ function Database.__self_test__(name)
|
|||
|
||||
db:release()
|
||||
assert(not db:connected())
|
||||
print(" * databse - OK!")
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
-- Database.__self_test__()
|
||||
-- if debug.self_test then
|
||||
-- Database.__self_test__()
|
||||
-- end
|
||||
|
||||
return Database
|
||||
Loading…
Reference in New Issue