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module(...,package.seeall)
function handler_class()
return PresenceUpdate
end
ACCOUNT_RECORD_TIMEOUT = 120;
PresenceUpdate = {}
function PresenceUpdate.new(self, arg)
require 'common.sip_account';
require 'dialplan.presence';
require 'common.str';
require 'common.phone_number';
require 'common.fapi';
require 'common.configuration_table';
arg = arg or {}
object = arg.object or {}
setmetatable(object, self);
self.__index = self;
self.log = arg.log;
self.class = 'presenceupdate'
self.database = arg.database;
self.domain = arg.domain;
self.presence_accounts = {}
self.account_record = {}
self.config = common.configuration_table.get(self.database, 'presence_update');
self.config = self.config or {};
self.config.trigger = self.config.trigger or {
sip_account_presence = true,
sip_account_register = true,
sip_account_unregister = true,
};
return object;
end
function PresenceUpdate.event_handlers(self)
return {
PRESENCE_PROBE = { [true] = self.presence_probe },
CUSTOM = { ['sofia::register'] = self.sofia_register, ['sofia::unregister'] = self.sofia_ungerister },
PRESENCE_IN = { [true] = self.presence_in },
}
end
function PresenceUpdate.retrieve_sip_account(self, account, uuid)
uuid = uuid or 'presence_update';
if not self.account_record[account] or ((os.time() - self.account_record[account].created_at) > ACCOUNT_RECORD_TIMEOUT) then
self.log:debug('[', uuid,'] PRESENCE - retrieve account data - account: ', account);
local sip_account = common.sip_account.SipAccount:new{ log = self.log, database = self.database }:find_by_auth_name(account);
if not sip_account then
return
end
local phone_numbers = common.phone_number.PhoneNumber:new{ log = self.log, database = self.database }:list_by_owner(sip_account.id, sip_account.class);
self.account_record[account] = { id = sip_account.id, class = sip_account.class, phone_numbers = phone_numbers, created_at = os.time() }
end
return self.account_record[account];
end
function PresenceUpdate.presence_probe(self, event)
local DIALPLAN_FUNCTION_PATTERN = '^f[_%-].*';
local event_to = event:getHeader('to');
local event_from = event:getHeader('from');
local probe_type = event:getHeader('probe-type');
local account, domain = common.str.partition(event_from, '@');
local subscription, domain = common.str.partition(event_to, '@');
self.log:debug('[', account, '] PRESENCE_UPDATE - subscription: ', subscription,', type: ', probe_type);
if (not self.presence_accounts[account] or not self.presence_accounts[account][subscription]) and subscription:find(DIALPLAN_FUNCTION_PATTERN) then
if not self.presence_accounts[account] then
self.presence_accounts[account] = {};
end
if not self.presence_accounts[account][subscription] then
self.presence_accounts[account][subscription] = {};
end
self:update_function_presence(account, domain, subscription);
end
end
function PresenceUpdate.sofia_register(self, event)
local account = event:getHeader('from-user');
local timestamp = event:getHeader('Event-Date-Timestamp');
local sip_account = self:retrieve_sip_account(account, account);
self.log:debug('[', account, '] PRESENCE_UPDATE - flushing account cache on register');
self.presence_accounts[account] = nil;
end
function PresenceUpdate.sofia_ungerister(self, event)
local account = event:getHeader('from-user');
local timestamp = event:getHeader('Event-Date-Timestamp');
local sip_account = self:retrieve_sip_account(account, account);
self.log:debug('[', account, '] PRESENCE_UPDATE - flushing account cache on unregister');
self.presence_accounts[account] = nil;
end
function PresenceUpdate.presence_in(self, event)
local account, domain = common.str.partition(event:getHeader('from'), '@');
local call_direction = tostring(event:getHeader('presence-call-direction') or event:getHeader('call-direction'))
local state = event:getHeader('presence-call-info-state');
local uuid = event:getHeader('Unique-ID');
local caller_id = event:getHeader('Caller-Caller-ID-Number');
local protocol = tostring(event:getHeader('proto'));
local timestamp = event:getHeader('Event-Date-Timestamp');
local direction = nil;
if call_direction == 'inbound' then
direction = true;
elseif call_direction == 'outbound' then
direction = false;
end
if protocol == 'conf' then
state = event:getHeader('answer-state');
local login = tostring(event:getHeader('proto'));
self.log:info('[', uuid,'] PRESENCE_CONFERENCE_', call_direction:upper(), ' ', common.str.to_i(account), ' - identifier: ', account, ', state: ', state);
self:conference(direction, account, domain, state, uuid);
elseif protocol == 'sip' or protocol == 'any' then
if protocol == 'sip' and common.str.blank(state) then
self.log:debug('[', uuid,'] PRESENCE_', call_direction:upper(),' no state - protocol: ', protocol, ', account: ', account);
return;
end
self.log:info('[', uuid,'] PRESENCE_', call_direction:upper(),' - protocol: ', protocol, ', account: ', account, ', state: ', state);
self:sip_account(direction, account, domain, state, uuid, caller_id, timestamp);
else
self.log:info('[', uuid,'] PRESENCE_', call_direction:upper(),' unhandled protocol: ', protocol, ', account: ', account, ', state: ', state);
end
end
function PresenceUpdate.update_function_presence(self, account, domain, subscription)
local parameters = common.str.to_a(subscription, '_%-');
local fid = parameters[2];
local function_parameter = parameters[3];
if not fid then
self.log:error('[', account, '] PRESENCE_UPDATE - no function specified');
return;
end
if fid == 'cftg' and tonumber(function_parameter) then
self:call_forwarding(account, domain, function_parameter);
elseif fid == 'hgmtg' then
self:hunt_group_membership(account, domain, function_parameter);
elseif fid == 'acdmtg' then
self:acd_membership(account, domain, function_parameter);
end
end
function PresenceUpdate.call_forwarding(self, account, domain, call_forwarding_id)
require 'common.call_forwarding';
local call_forwarding = common.call_forwarding.CallForwarding:new{ log=self.log, database=self.database, domain=domain }:find_by_id(call_forwarding_id);
if call_forwarding and common.str.to_b(call_forwarding.record.active) then
local destination_type = tostring(call_forwarding.record.call_forwardable_type):lower()
self.log:debug('[', account, '] PRESENCE_UPDATE - updating call forwarding presence - id: ', call_forwarding_id, ', destination: ', destination_type);
if destination_type == 'voicemail' then
call_forwarding:presence_set('early');
else
call_forwarding:presence_set('confirmed');
end
end
end
function PresenceUpdate.hunt_group_membership(self, account, domain, member_id)
local sql_query = 'SELECT `active` FROM `hunt_group_members` WHERE `active` IS TRUE AND `id`=' .. tonumber(member_id) .. ' LIMIT 1';
local status = self.database:query_return_value(sql_query);
if status then
self.log:debug('[', account, '] PRESENCE_UPDATE - updating hunt group membership presence - id: ', member_id);
local presence_class = dialplan.presence.Presence:new{
log = self.log,
database = self.database,
domain = domain,
accounts = {'f-hgmtg-' .. member_id},
uuid = 'hunt_group_member_' .. member_id
}:set('confirmed');
end
end
function PresenceUpdate.acd_membership(self, account, domain, member_id)
local sql_query = 'SELECT `status` FROM `acd_agents` WHERE `status` = "active" AND `id`=' .. tonumber(member_id) .. ' LIMIT 1';
local status = self.database:query_return_value(sql_query);
if status then
self.log:debug('[', account, '] PRESENCE_UPDATE - updating ACD membership presence - id: ', member_id);
local presence_class = dialplan.presence.Presence:new{
log = self.log,
database = self.database,
domain = domain,
accounts = {'f-acdmtg-' .. member_id},
uuid = 'acd_agent_' .. member_id
}:set(status);
end
end
function PresenceUpdate.sip_account(self, inbound, account, domain, status, uuid, caller_id, timestamp)
local status_map = { progressing = 'early', alerting = 'confirmed', active = 'confirmed' }
local sip_account = self:retrieve_sip_account(account, uuid);
if not sip_account then
return;
end
dialplan.presence.Presence:new{
log = self.log,
database = self.database,
inbound = inbound,
domain = domain,
accounts = sip_account.phone_numbers,
uuid = uuid
}:set(status_map[status] or 'terminated', caller_id);
end
function PresenceUpdate.conference(self, inbound, account, domain, status, uuid)
dialplan.presence.Presence:new{
log = self.log,
database = self.database,
inbound = inbound,
domain = domain,
accounts = { account },
uuid = uuid
}:set(status or 'terminated');
end
function PresenceUpdate.trigger_rails(self, account, status, timestamp, uuid)
if account.class == 'sipaccount' then
local command = 'http_request.lua ' .. tostring(uuid) .. ' http://127.0.0.1/trigger/sip_account_update/' .. tostring(account.id) .. '?timestamp=' .. timestamp .. '&status=' .. tostring(status);
common.fapi.FApi:new():execute('luarun', command);
end
end
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