Open GoogleCodeExporter opened 9 years ago
Park.lua:
--example usage
--basic
--condition destination_number 5900
--action set park_extension=5901
--advanced
--condition destination_number ^59(\d{2})$
--action set park_extension=$1
--additional settings
--action set park_range=5
--action set park_direction=in (in/out/both)
--action set park_announce=true (not implemented yet)
--action set park_timeout_seconds=30 (not implemented yet)
--action set park_timeout_extension=1001 (not implemented yet)
--action set park_music=$${hold_music}
--action lua park.lua
--include config.lua
scripts_dir = string.sub(debug.getinfo(1).source,2,string.len(debug.getinfo(1).source)-(string.len(argv[0])+1));
dofile(scripts_dir.."/resources/functions/config.lua");
dofile(config());
--connect to the database
--dbh = freeswitch.Dbh("core:core"); -- when using sqlite
dbh = freeswitch.Dbh("sqlite://"..database_dir.."/park.db");
--dofile(scripts_dir.."/resources/functions/database_handle.lua");
--dbh = database_handle('system');
--exits the script if we didn't connect properly
assert(dbh:connected());
--get the session variables
sounds_dir = session:getVariable("sounds_dir");
park_direction = session:getVariable("park_direction");
uuid = session:getVariable("uuid");
domain_name = session:getVariable("domain_name");
park_extension = session:getVariable("park_extension");
park_range = session:getVariable("park_range");
park_announce = session:getVariable("park_announce");
park_timeout_type = session:getVariable("park_timeout_type");
park_timeout_destination = session:getVariable("park_timeout_destination");
park_timeout_seconds = session:getVariable("park_timeout_seconds");
park_music = session:getVariable("park_music");
--add the explode function
function explode ( seperator, str )
local pos, arr = 0, {}
for st, sp in function() return string.find( str, seperator, pos, true ) end do -- for each divider found
table.insert( arr, string.sub( str, pos, st-1 ) ) -- attach chars left of current divider
pos = sp + 1 -- jump past current divider
end
table.insert( arr, string.sub( str, pos ) ) -- attach chars right of last divider
return arr
end
--add the trim function
function trim(s)
return s:gsub("^%s+", ""):gsub("%s+$", "")
end
--if park_timeout_seconds is not defined set the timeout to 5 minutes
if (not park_timeout_seconds) then
park_timeout_seconds = 300;
end
--if park_timeout_type is not defined set to transfer
if (not park_timeout_type) then
park_timeout_type = "transfer";
end
--prepare the api
api = freeswitch.API();
--answer the call
session:answer();
--database
--exits the script if we didn't connect properly
assert(dbh:connected());
--create the table if it doesn't exist
--pgsql
dbh:test_reactive("SELECT * FROM park", "", "CREATE TABLE park (id SERIAL, lot TEXT, domain TEXT, uuid TEXT, CONSTRAINT park_pk PRIMARY KEY(id))");
--sqlite
dbh:test_reactive("SELECT * FROM park", "", "CREATE TABLE park (id INTEGER PRIMARY KEY, lot TEXT, domain TEXT, uuid TEXT)");
--mysql
dbh:test_reactive("SELECT * FROM park", "", "CREATE TABLE park (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, lot TEXT, domain TEXT, uuid TEXT)");
--if park_range is defined then loop through the range to find an available parking lot
if (park_range) then
park_extension_start = park_extension;
park_extension_end = ((park_extension+park_range)-1);
extension = park_extension_start;
while true do
--exit the loop at the end of the range
if (tonumber(extension) > park_extension_end) then
break;
end
--check the database for an available slot
lot_status = "available";
sql = "SELECT count(*) as count FROM park WHERE lot = '"..extension.."' and domain = '"..domain_name.."' ";
dbh:query(sql, function(result)
--for key, val in pairs(result) do
-- freeswitch.consoleLog("NOTICE", "parking result "..key.." "..val.."\n");
--end
count = result.count;
end);
--if count is 0 then the parking lot is available end the loop
if (count == "0") then
lot_status = "available";
park_extension = ""..extension;
break;
end
--increment the value
extension = extension + 1;
end
end
--check the database to see if the slot is available or unavailable
lot_status = "available";
sql = "SELECT id, lot, uuid FROM park WHERE lot = '"..park_extension.."' and domain = '"..domain_name.."' ";
dbh:query(sql, function(row)
lot_uuid = row.uuid;
lot_status = "unavailable";
end);
--if park direction is set to out then unpark by bridging it to the caller
if (park_direction == "out") then
if (lot_uuid) then
--set the park status
cmd = "uuid_setvar "..lot_uuid.." park_status unparked";
result = trim(api:executeString(cmd));
freeswitch.consoleLog("NOTICE", "Park Status: unparked "..park_extension.."\n");
--unpark the call with bridge
cmd = "uuid_bridge "..uuid.." "..lot_uuid;
result = trim(api:executeString(cmd));
end
else
--check if the uuid_exists, if it does not exist then delete the uuid from the db and set presence to terminated
if (lot_uuid) then
cmd = "uuid_exists "..lot_uuid;
result = trim(api:executeString(cmd));
if (result == "false") then
--set presence out
event = freeswitch.Event("PRESENCE_IN");
event:addHeader("proto", "sip");
event:addHeader("event_type", "presence");
event:addHeader("alt_event_type", "dialog");
event:addHeader("Presence-Call-Direction", "outbound");
event:addHeader("state", "Active (1 waiting)");
event:addHeader("from", park_extension.."@"..domain_name);
event:addHeader("login", park_extension.."@"..domain_name);
event:addHeader("unique-id", lot_uuid);
event:addHeader("answer-state", "terminated");
event:fire();
--delete from the database
dbh:query("DELETE from park WHERE lot = '"..park_extension.."' and domain = '"..domain_name.."' ");
--freeswitch.consoleLog("NOTICE", "Park - Affected rows: " .. dbh:affected_rows() .. "\n");
--set the status to available
lot_status = "available";
end
end
--check if the parking lot is available, if it is then add it to the db, set presenence to confirmed and park the call
if (lot_status == "available") then
--park the call
cmd = "uuid_park "..uuid;
result = trim(api:executeString(cmd));
if (park_music) then
cmd = "uuid_broadcast "..uuid.." "..park_music.." aleg";
result = trim(api:executeString(cmd));
end
--set the park status
cmd = "uuid_setvar "..uuid.." park_status parked";
result = trim(api:executeString(cmd));
freeswitch.consoleLog("NOTICE", "Park Status: parked "..park_extension.."\n");
--add to the database
dbh:query("INSERT INTO park (lot, domain, uuid) VALUES ('"..park_extension.."', '"..domain_name.."', '"..uuid.."')");
--set presence in
event = freeswitch.Event("PRESENCE_IN");
event:addHeader("proto", "sip"); --park
event:addHeader("login", park_extension.."@"..domain_name);
event:addHeader("from", park_extension.."@"..domain_name);
event:addHeader("status", "Active (1 waiting)");
event:addHeader("rpid", "unknown");
event:addHeader("event_type", "presence");
event:addHeader("alt_event_type", "dialog");
event:addHeader("event_count", "1");
event:addHeader("unique-id", uuid);
--event:addHeader("Presence-Call-Direction", "outbound")
event:addHeader("answer-state", "confirmed");
event:fire();
--start the fifo monitor on its own so that it doesn't block the script execution
api = freeswitch.API();
cmd = "luarun park_monitor.lua "..uuid.." "..domain_name.." "..park_extension.." "..park_timeout_type.." "..park_timeout_seconds.." "..park_timeout_destination;
result = api:executeString(cmd);
else
context = session:getVariable("context");
caller_id_number = session:getVariable("caller_id_number");
dialed_extension = session:getVariable("dialed_extension");
dialed_user = session:getVariable("dialed_user");
cmd = "user_exists id ".. caller_id_number .." "..domain_name;
if (api:executeString(cmd) == "true") then
--bridge the current call to the call that is parked
--set the presence to terminated
event = freeswitch.Event("PRESENCE_IN");
event:addHeader("proto", "sip");
event:addHeader("event_type", "presence");
event:addHeader("alt_event_type", "dialog");
event:addHeader("Presence-Call-Direction", "outbound");
--event:addHeader("state", "Active (1 waiting)");
event:addHeader("from", park_extension.."@"..domain_name);
event:addHeader("login", park_extension.."@"..domain_name);
event:addHeader("unique-id", uuid);
event:addHeader("answer-state", "terminated");
event:fire();
--delete the lot from the database
dbh:query("DELETE from park WHERE lot = '"..park_extension.."' and domain = '"..domain_name.."' ");
--freeswitch.consoleLog("NOTICE", "Park 200- Affected rows: " .. dbh:affected_rows() .. "\n");
--set the park status
cmd = "uuid_setvar "..lot_uuid.." park_status unparked";
result = trim(api:executeString(cmd));
freeswitch.consoleLog("NOTICE", "Park Status: unparked "..park_extension.."\n");
--connect the calls
cmd = "uuid_bridge "..uuid.." "..lot_uuid;
result = trim(api:executeString(cmd));
else
--transfer the call back to the callee
session:execute("transfer", dialed_user .." XML "..context);
end
end
--continue running when the session ends
session:setAutoHangup(false);
end
Original comment by blake.d....@gmail.com
on 10 Apr 2015 at 8:19
Original issue reported on code.google.com by
blake.d....@gmail.com
on 10 Apr 2015 at 7:30