Athena getNetworks method (commaai#21597)

* add iwlist scan

* return using athena

* add lte

* add last one too

* unused

* add release files

* more compact

* typo

* remove debug code

* different file

* array

* rebase mistake

release/files_common

@@ -278,6 +278,7 @@ selfdrive/hardware/eon/hardware.py
 selfdrive/hardware/tici/__init__.py
 selfdrive/hardware/tici/hardware.py
 selfdrive/hardware/tici/amplifier.py
+selfdrive/hardware/tici/iwlist.py
 selfdrive/hardware/pc/__init__.py
 selfdrive/hardware/pc/hardware.py
 

selfdrive/athena/athenad.py

@@ -267,6 +267,11 @@ def getNetworkType():
   return HARDWARE.get_network_type()
 
 
+@dispatcher.add_method
+def getNetworks():
+  return HARDWARE.get_networks()
+
+
 @dispatcher.add_method
 def takeSnapshot():
   from selfdrive.camerad.snapshot.snapshot import snapshot, jpeg_write

selfdrive/hardware/base.py

@@ -125,3 +125,7 @@ def get_modem_version(self):
   @abstractmethod
   def initialize_hardware(self):
     pass
+
+  @abstractmethod
+  def get_networks(self):
+    pass

selfdrive/hardware/eon/hardware.py

@@ -391,3 +391,6 @@ def get_modem_version(self):
 
   def initialize_hardware(self):
     pass
+
+  def get_networks(self):
+    return None

selfdrive/hardware/pc/hardware.py

@@ -94,3 +94,6 @@ def get_modem_version(self):
 
   def initialize_hardware(self):
     pass
+
+  def get_networks(self):
+    return None

selfdrive/hardware/tici/hardware.py

@@ -7,6 +7,7 @@
 from cereal import log
 from selfdrive.hardware.base import HardwareBase, ThermalConfig
 from selfdrive.hardware.tici.amplifier import Amplifier
+from selfdrive.hardware.tici import iwlist
 
 NM = 'org.freedesktop.NetworkManager'
 NM_CON_ACT = NM + '.Connection.Active'
@@ -281,3 +282,30 @@ def get_gpu_usage_percent(self):
 
   def initialize_hardware(self):
     self.amplifier.initialize_configuration()
+
+  def get_networks(self):
+    r = {}
+
+    wlan = iwlist.scan()
+    if wlan is not None:
+      r['wlan'] = wlan
+
+    lte_info = self.get_network_info()
+    if lte_info is not None:
+      extra = lte_info['extra']
+
+      # <state>,"LTE",<is_tdd>,<mcc>,<mnc>,<cellid>,<pcid>,<earfcn>,<freq_band_ind>,
+      # <ul_bandwidth>,<dl_bandwidth>,<tac>,<rsrp>,<rsrq>,<rssi>,<sinr>,<srxlev>
+      if 'LTE' in extra:
+        extra = extra.split(',')
+        try:
+          r['lte'] = [{
+            "mcc": int(extra[3]),
+            "mnc": int(extra[4]),
+            "cid": int(extra[5], 16),
+            "nmr": [{"pci": int(extra[6]), "earfcn": int(extra[7])}],
+          }]
+        except (ValueError, IndexError):
+          pass
+
+    return r

selfdrive/hardware/tici/iwlist.py

@@ -0,0 +1,35 @@
+import subprocess
+
+
+def scan(interface="wlan0"):
+  result = []
+  try:
+    r = subprocess.check_output(["iwlist", interface, "scan"], encoding='utf8')
+
+    mac = None
+    for line in r.split('\n'):
+      if "Address" in line:
+        # Based on the adapter eithere a percentage or dBm is returned
+        # Add previous network in case no dBm signal level was seen
+        if mac is not None:
+          result.append({"mac": mac})
+          mac = None
+
+        mac = line.split(' ')[-1]
+      elif "dBm" in line:
+        try:
+          level = line.split('Signal level=')[1]
+          rss = int(level.split(' ')[0])
+          result.append({"mac": mac, "rss": rss})
+          mac = None
+        except ValueError:
+          continue
+
+    # Add last network if no dBm was found
+    if mac is not None:
+      result.append({"mac": mac})
+
+    return result
+
+  except Exception:
+    return None