[Aqara] Presence Sensor FP2

drivers/Aqara/aqara-presence-sensor/config.yml

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+name: 'aqara-presence-sensor'
+packageKey: 'aqara-presence-sensor'
+permissions:
+  lan: {}
+  discovery: {}

drivers/Aqara/aqara-presence-sensor/profiles/aqara-fp2-fallDetection.yml

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+name: aqara-fp2-fallDetection
+components:
+  - id: main
+    capabilities:
+      - id: activitySensor
+        version: 1
+      - id: presenceSensor
+        version: 1
+      - id: illuminanceMeasurement
+        version: 1
+      - id: refresh
+        version: 1
+    categories:
+      - name: PresenceSensor
+  - id: mode
+    capabilities:
+      - id: stse.deviceMode
+        version: 1
+    categories:
+      - name: PresenceSensor

drivers/Aqara/aqara-presence-sensor/profiles/aqara-fp2-sleepMonitoring.yml

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+name: aqara-fp2-sleepMonitoring
+components:
+  - id: main
+    capabilities:
+      - id: illuminanceMeasurement
+        version: 1
+      - id: refresh
+        version: 1
+    categories:
+      - name: PresenceSensor
+  - id: mode
+    capabilities:
+      - id: stse.deviceMode
+        version: 1
+    categories:
+      - name: PresenceSensor

drivers/Aqara/aqara-presence-sensor/profiles/aqara-fp2-zoneDetection.yml

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+name: aqara-fp2-zoneDetection
+components:
+  - id: main
+    capabilities:
+      - id: presenceSensor
+        version: 1
+      - id: movementSensor
+        version: 1
+      - id: multipleZonePresence
+        version: 1
+      - id: illuminanceMeasurement
+        version: 1
+      - id: refresh
+        version: 1
+    categories:
+      - name: PresenceSensor
+  - id: mode
+    capabilities:
+      - id: stse.deviceMode
+        version: 1
+    categories:
+      - name: PresenceSensor

drivers/Aqara/aqara-presence-sensor/search-parameters.yml

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+mdns:
+    - service: "_Aqara-FP2._tcp"

drivers/Aqara/aqara-presence-sensor/src/discovery.lua

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+local log = require "log"
+local discovery = {}
+local fields = require "fields"
+local discovery_mdns = require "discovery_mdns"
+local socket = require "cosock.socket"
+
+-- mapping from device DNI to info needed at discovery/init time
+local device_discovery_cache = {}
+
+local function set_device_field(driver, device)
+  local device_cache_value = device_discovery_cache[device.device_network_id]
+
+  -- persistent fields
+  device:set_field(fields.DEVICE_IPV4, device_cache_value.ip, { persist = true })
+  device:set_field(fields.DEVICE_INFO, device_cache_value.device_info, { persist = true })
+  device:set_field(fields.CREDENTIAL, device_cache_value.credential, { persist = true })
+end
+
+local function update_device_discovery_cache(driver, dni, ip, credential)
+  local device_info = driver.discovery_helper.get_device_info(driver, dni, ip)
+  device_discovery_cache[dni] = {
+    ip = ip,
+    device_info = device_info,
+    credential = credential,
+  }
+end
+
+local function try_add_device(driver, device_dni, device_ip)
+  log.trace(string.format("try_add_device : dni= %s, ip= %s", device_dni, device_ip))
+
+  local credential = driver.discovery_helper.get_credential(driver, device_dni, device_ip)
+
+  if not credential then
+    log.error(string.format("failed to get credential. dni= %s, ip= %s", device_dni, device_ip))
+    return
+  end
+
+  update_device_discovery_cache(driver, device_dni, device_ip, credential)
+  local create_device_msg = driver.discovery_helper.get_device_create_msg(driver, device_dni, device_ip)
+  driver:try_create_device(create_device_msg)
+end
+
+function discovery.device_added(driver, device)
+  set_device_field(driver, device)
+  device_discovery_cache[device.device_network_id] = nil
+  driver.lifecycle_handlers.init(driver, device)
+end
+
+function discovery.find_ip_table(driver)
+  local ip_table = discovery_mdns.find_ip_table_by_mdns(driver)
+  return ip_table
+end
+
+local function discovery_device(driver)
+  local unknown_discovered_devices = {}
+  local known_discovered_devices = {}
+  local known_devices = {}
+
+  for _, device in pairs(driver:get_devices()) do
+    known_devices[device.device_network_id] = device
+  end
+
+  local ip_table = discovery.find_ip_table(driver)
+
+  for dni, ip in pairs(ip_table) do
+    if not known_devices or not known_devices[dni] then
+      unknown_discovered_devices[dni] = ip
+    else
+      known_discovered_devices[dni] = ip
+    end
+  end
+
+  for dni, ip in pairs(known_discovered_devices) do
+    log.trace(string.format("known dni= %s, ip= %s", dni, ip))
+  end
+
+  for dni, ip in pairs(unknown_discovered_devices) do
+    log.trace(string.format("unknown dni= %s, ip= %s", dni, ip))
+    if not device_discovery_cache[dni] then
+      try_add_device(driver, dni, ip)
+    end
+  end
+end
+
+function discovery.do_network_discovery(driver, _, should_continue)
+  while should_continue() do
+    discovery_device(driver)
+    socket.sleep(0.2)
+  end
+end
+
+return discovery

drivers/Aqara/aqara-presence-sensor/src/discovery_mdns.lua

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+local log = require "log"
+local mdns = require "st.mdns"
+local net_utils = require "st.net_utils"
+
+local discovery_mdns = {}
+
+local function byte_array_to_plain_text(byte_array)
+  return string.char(table.unpack(byte_array))
+end
+
+local function get_text_by_srvname(srvname, discovery_responses)
+  for _, answer_item in pairs(discovery_responses.answers or {}) do
+    if answer_item.kind.TxtRecord ~= nil and answer_item.name == srvname then
+      return answer_item.kind.TxtRecord.text
+    end
+  end
+end
+
+local function get_srvname_by_hostname(hostname, discovery_responses)
+  for _, answer_item in pairs(discovery_responses.answers or {}) do
+    if answer_item.kind.SrvRecord ~= nil and answer_item.kind.SrvRecord.target == hostname then
+      return answer_item.name
+    end
+  end
+end
+
+local function get_hostname_by_ip(ip, discovery_responses)
+  for _, answer_item in pairs(discovery_responses.answers or {}) do
+    if answer_item.kind.ARecord ~= nil and answer_item.kind.ARecord.ipv4 == ip then
+      return answer_item.name
+    end
+  end
+end
+
+
+local function find_text_in_answers_by_ip(ip, discovery_responses)
+  local hostname = get_hostname_by_ip(ip, discovery_responses)
+  local srvname = get_srvname_by_hostname(hostname, discovery_responses)
+  local text = get_text_by_srvname(srvname, discovery_responses)
+
+  return text
+end
+
+function discovery_mdns.find_text_list_in_mdns_response(driver, ip, discovery_responses)
+  local text_list = {}
+
+  for _, found_item in pairs(discovery_responses.found or {}) do
+    if found_item.host_info.address == ip then
+      for _, raw_text_array in pairs(found_item.txt.text or {}) do
+        local text_item = byte_array_to_plain_text(raw_text_array)
+        table.insert(text_list, text_item)
+      end
+    end
+  end
+
+  local answer_text = find_text_in_answers_by_ip(ip, discovery_responses)
+  for _, text_item in pairs(answer_text or {}) do
+    table.insert(text_list, text_item)
+  end
+  return text_list
+end
+
+local function filter_response_by_service_name(service_type, domain, discovery_responses)
+  local filtered_responses = {
+    answers = {},
+    found = {}
+  }
+
+  for _, answer in pairs(discovery_responses.answers or {}) do
+    table.insert(filtered_responses.answers, answer)
+  end
+
+  for _, additional in pairs(discovery_responses.additional or {}) do
+    table.insert(filtered_responses.answers, additional)
+  end
+
+  for _, found in pairs(discovery_responses.found or {}) do
+    if found.service_info.service_type == service_type then
+      table.insert(filtered_responses.found, found)
+    end
+  end
+
+  return filtered_responses
+end
+
+local function insert_dni_ip_from_answers(driver, filtered_responses, target_table)
+  for _, answer in pairs(filtered_responses.answers) do
+    local dni, ip
+    log.info("answer_name, arecod = " .. tostring(answer.name) .. ", " .. tostring(answer.kind.ARecord))
+
+    if answer.kind.ARecord ~= nil then
+      ip = answer.kind.ARecord.ipv4
+    end
+
+    if ip ~= nil then
+        dni = driver.discovery_helper.get_dni(driver, ip, filtered_responses)
+
+      if dni ~= nil then
+        target_table[dni] = ip
+      end
+    end
+  end
+end
+
+local function insert_dni_ip_from_found(driver, filtered_responses, target_table)
+  for _, found in pairs(filtered_responses.found) do
+    local dni, ip
+    log.info("found_name = " .. tostring(found.service_info.service_type))
+    if found.host_info.address ~= nil and net_utils.validate_ipv4_string(found.host_info.address) then
+      log.info("ip = " .. tostring(found.host_info.address))
+      ip = found.host_info.address
+    end
+
+    if ip ~= nil then
+        dni = driver.discovery_helper.get_dni(driver, ip, filtered_responses)
+
+      if dni ~= nil then
+        target_table[dni] = ip
+      end
+    end
+  end
+end
+
+local function get_dni_ip_table_from_mdns_responses(driver, service_type, domain, discovery_responses)
+  local dni_ip_table = {}
+
+  local filtered_responses = filter_response_by_service_name(service_type, domain, discovery_responses)
+
+  insert_dni_ip_from_answers(driver, filtered_responses, dni_ip_table)
+  insert_dni_ip_from_found(driver, filtered_responses, dni_ip_table)
+
+  return dni_ip_table
+end
+
+function discovery_mdns.find_ip_table_by_mdns(driver)
+  log.info("discovery_mdns.find_device_ips")
+  local service_type, domain = driver.discovery_helper.get_service_type_and_domain()
+  local discovery_responses = mdns.discover(service_type, domain) or { found = {} }
+  local dni_ip_table = get_dni_ip_table_from_mdns_responses(driver, service_type, domain, discovery_responses)
+  return dni_ip_table
+end
+
+return discovery_mdns

drivers/Aqara/aqara-presence-sensor/src/fields.lua

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+--- Table of constants used to index in to device store fields
+--- @module "fields"
+--- @class table
+--- @field IPV4 string the ipV4 address of the device
+
+local fields = {
+  DEVICE_IPV4 = "device_ipv4",
+  DEVICE_INFO = "device_info",
+  CONN_INFO = "conn_info",
+  EVENT_SOURCE = "eventsource",
+  MONITORING_TIMER = "monitoring_timer",
+  CREDENTIAL = "credential",
+  _INIT = "init"
+}
+
+return fields