- today's changes

run_node.sh

@@ -15,7 +15,7 @@ export DBUS_SESSION_BUS_ADDRESS
 pkill pulseaudio
 
 # Ensure BT stack is here
-python3 -u $SCRIPT_DIR/src/bt_preconnect.py $SCRIPT_DIR/config/agent.yaml
+# python3 -u $SCRIPT_DIR/src/bt_preconnect.py $SCRIPT_DIR/config/agent.yaml
 
 #!/bin/bash
 if [ -n "$1" ]

src/agent_gsm.py

@@ -6,37 +6,25 @@ import argparse
 import sys
 import uuid
 import json
+import multiprocessing
+import signal
+import atexit
+from pathlib import Path
+
 import utils_qualtest
 import utils_sevana
-import utils_mcon
-import utils_logcat
 import utils
 import utils_cache
+from utils_types import (EXIT_ERROR, EXIT_OK)
+from agent_config import AgentConfig
 
 from bt_controller import Bluetoothctl
 import bt_signal
 from bt_signal import SignalBoundaries
 import bt_call_controller
 
-import multiprocessing
-import signal
-import yaml
-from pathlib import Path
 
-# Name of intermediary file with audio recorded from the GSM phone
+CONFIG = AgentConfig()
-RECORD_FILE = "/dev/shm/qualtest_recorded.wav"
-
-# Backend instance
-BackendServer : utils_qualtest.QualtestBackend = None
-
-# Reference audio to play
-REFERENCE_AUDIO = "/dev/shm/reference_original.wav"
-
-# Loaded reference audio (from backend)
-LOADED_AUDIO = Path("/dev/shm/loaded_audio.wav")
-
-# Script to exec after mobile call answering
-EXEC_SCRIPT = None
 
 # Current task name.
 CURRENT_TASK = None
@@ -55,23 +43,10 @@ DIR_THIS = Path(__file__).resolve().parent
 DIR_PROJECT = DIR_THIS.parent
 
 # Backup directory (to run without internet)
-DIR_CACHE = None
 CACHE = utils_cache.InfoCache(None)
 
-# PID file name
+# Backend instance
-QUALTEST_PID = "/dev/shm/qualtest.pid"
+BACKEND : utils_qualtest.QualtestBackend = None
-
-# Should the first task run immediately ?
-FORCE_RUN = False
-
-# Exit codes
-EXIT_OK = 0
-EXIT_ERROR = 1
-
-# Use silence eraser or not (speech detector is used in this case)
-USE_SILENCE_ERASER = True
-
-LOG_FILEPATH = None
 
 def remove_oldest_log_audio():
     list_of_files = os.listdir(LOG_AUDIO_DIR)
@@ -83,10 +58,10 @@ def remove_oldest_log_audio():
 
 
 def detect_degraded_signal(file_test: Path, file_reference: Path) -> SignalBoundaries:
-    global USE_SILENCE_ERASER, LOG_AUDIO_DIR, BackendServer
+    global USE_SILENCE_ERASER, LOG_AUDIO_DIR, BACKEND
 
-    is_caller : bool = 'caller' in BackendServer.phone.role
+    is_caller : bool = 'caller' in BACKEND.phone.role
-    is_answerer : bool = 'answer' in BackendServer.phone.role
+    is_answerer : bool = 'answer' in BACKEND.phone.role
 
     if utils.get_wav_length(file_test) < utils.get_wav_length(file_reference):
         # Seems some problem with recording, return zero boundaries
@@ -124,7 +99,7 @@ def upload_results():
             utils.log_error(f'Error when processing {path_report.name}')
             continue
 
-        upload_id, success = BackendServer.upload_report(report, cache=None) 
+        upload_id, success = BACKEND.upload_report(report, cache=None) 
         if success:
             utils.log(f'Report {upload_id} is uploaded ok.')
             
@@ -136,7 +111,7 @@ def upload_results():
             # path_audio = path_audio.rename(path_audio_fixed)
             utils.log(f'Uploading {path_audio.name} file...')
             # Upload recorded audio
-            upload_result = BackendServer.upload_audio(upload_id, path_audio)
+            upload_result = BACKEND.upload_audio(upload_id, path_audio)
             if upload_result:
                 utils.log(f'  Recorded audio {upload_id}.wav is uploaded ok.')
                 os.remove(path_report)
@@ -157,14 +132,19 @@ def run_analyze(file_test: str, file_reference: str, number: str) -> bool:
         time.sleep(5.0)
 
         # Check how long audio file is
-        audio_length = utils.get_wav_length(file_test)
+        test_audio_length = round(utils.get_wav_length(file_test), 3)
+        ref_audio_length = round(utils.get_wav_length(file_reference), 3)
+
+        is_caller : bool = 'caller' in BACKEND.phone.role
+        is_answerer : bool = 'answer' in BACKEND.phone.role
         
-        is_caller : bool = 'caller' in BackendServer.phone.role
+        utils.log(f'Recorded audio call duration: {test_audio_length}s, reference audio length: {ref_audio_length}s')
-        is_answerer : bool = 'answer' in BackendServer.phone.role
         
-        utils.log(f'Recorded audio call duration: {round(audio_length, 3)}s')
         # Check if audio length is strange - skip such calls. Usually this is missed call.
-        if (is_caller and audio_length >= utils_mcon.TIME_LIMIT_CALL) or (is_answerer and audio_length >= utils_mcon.TIME_LIMIT_CALL * 1.2):
+        is_caller_audio_big = is_caller and test_audio_length > ref_audio_length * 1.5
+        is_answerer_audio_big = is_answerer and test_audio_length > ref_audio_length * 1.5
+
+        if is_caller_audio_big or is_answerer_audio_big:
             utils.log_error(f'Recorded call is too big - looks like mobile operator prompt, skipping analysis')
             return False
         
@@ -206,23 +186,23 @@ def run_analyze(file_test: str, file_reference: str, number: str) -> bool:
                 r['report_pvqa'] = pvqa_report
                 r['report_aqua'] = aqua_report
                 r['r_factor'] = pvqa_rfactor
-                r["percents_aqua"] = aqua_percents
+                r['percents_aqua'] = aqua_percents
                 r['error'] = ''
                 r['target'] = number
                 r['audio_id'] = 0
             
-            r['phone_id'] = BackendServer.phone.identifier
+            r['phone_id'] = BACKEND.phone.identifier
             r['phone_name'] = ''
             r['task_id'] = 0
             r['task_name'] = CURRENT_TASK
             
             # Upload report
-            upload_id, success = BackendServer.upload_report(r, cache=CACHE) 
+            upload_id, success = BACKEND.upload_report(r, cache=CACHE) 
             if success:
                 utils.log('Report is uploaded ok.')
 
                 # Upload recorded audio
-                upload_result = BackendServer.upload_audio(r['id'], file_test)
+                upload_result = BACKEND.upload_audio(r['id'], file_test)
 
                 if upload_result:
                     utils.log('Recorded audio is uploaded ok.')
@@ -250,29 +230,27 @@ def run_error(error_message: str):
 
     
 def make_call(target: str):
-    global REFERENCE_AUDIO
-
     # Remove old recorded file
-    record_file = '/dev/shm/bt_record.wav'
+    if CONFIG.RecordFile.exists():
-    # if Path(record_file).exists():
+         os.remove(CONFIG.RecordFile)
-    #     os.remove(record_file)
 
     # Add prefix and suffix silence for reference to give a chance to record all the file
     utils.log(f'Preparing reference file...')
-    reference_filename = Path('/dev/shm/reference_built.wav')
+    if CONFIG.PreparedReferenceAudio.exists():
-    if reference_filename.exists():
+        os.remove(CONFIG.PreparedReferenceAudio)
-        os.remove(reference_filename)
+    utils.prepare_reference_file(fname=str(CONFIG.ReferenceAudio), 
-    utils.prepare_reference_file(fname=str(REFERENCE_AUDIO), silence_prefix_length=10.0, silence_suffix_length=5.0, output_fname=str(reference_filename))
+                                 silence_prefix_length=10.0, silence_suffix_length=5.0, 
+                                 output_fname=str(CONFIG.PreparedReferenceAudio))
     
     # Find duration of prepared reference file
-    reference_length = int(utils.get_wav_length(reference_filename))
+    reference_length = round(utils.get_wav_length(CONFIG.PreparedReferenceAudio), 3)
-    utils.log(f' Done.')
+    utils.log(f' Done. Length of prepared reference audio file: {reference_length}s')
 
     # Compose a command
     # utils.close_log_file()
     try:
-        bt_call_controller.run(play_file=reference_filename, record_file=record_file, timelimit_seconds=reference_length, target=target)
+        bt_call_controller.run(play_file=CONFIG.PreparedReferenceAudio, record_file=CONFIG.RecordFile, timelimit_seconds=reference_length, target=target)
-        run_analyze(record_file, REFERENCE_AUDIO, target)
+        run_analyze(CONFIG.RecordFile, CONFIG.ReferenceAudio, target)
     except Exception as e:
         utils.log_error(f'BT I/O failed finally. Error: {str(e)}')
                         
@@ -281,25 +259,30 @@ def perform_answerer():
     global CALL_LIMIT
 
     # Get reference audio duration in seconds
-    reference_length = utils.get_wav_length(REFERENCE_AUDIO)
+    ref_time_length = round(utils.get_wav_length(CONFIG.ReferenceAudio), 3)
     
     # Setup analyzer script
     # Run answering script
     while True:
         # Remove old recording
-        record_file = f'/dev/shm/bt_record.wav'
+        if CONFIG.RecordFile.exists():
+            os.remove(CONFIG.RecordFile)
+
         try:
-            bt_call_controller.run(play_file=REFERENCE_AUDIO, record_file=record_file, timelimit_seconds=int(reference_length), target=None)
+            bt_call_controller.run(play_file=CONFIG.ReferenceAudio, 
+                                   record_file=CONFIG.RecordFile, 
+                                   timelimit_seconds=int(ref_time_length), 
+                                   target=None)
         except Exception as e:
             utils.log(f'BT I/O failed, exiting. Error: {str(e)}')
             break
 
         # Call analyzer script
-        run_analyze(record_file, REFERENCE_AUDIO, '')
+        run_analyze(CONFIG.RecordFile, CONFIG.ReferenceAudio, '')
 
 
 def run_caller_task(t):
-    global CURRENT_TASK, LOADED_AUDIO, REFERENCE_AUDIO
+    global CURRENT_TASK
 
     utils.log("Running task:" + str(t))
 
@@ -311,23 +294,23 @@ def run_caller_task(t):
     task_name = t['name'].strip()
 
     # Load reference audio
-    if LOADED_AUDIO.exists():
+    if CONFIG.LoadedAudio.exists():
-        os.remove(LOADED_AUDIO)
+        os.remove(CONFIG.LoadedAudio)
 
     audio_id = t["audio_id"]
-    if CACHE.get_reference_audio(audio_id, LOADED_AUDIO):
+    if CACHE.get_reference_audio(audio_id, CONFIG.LoadedAudio):
         utils.log(f'Reference audio {audio_id} found in cache.')
     else:
         utils.log(f'Reference audio {audio_id} not found in cache.')
-        if not BackendServer.load_audio(audio_id, LOADED_AUDIO):
+        if not BACKEND.load_audio(audio_id, CONFIG.LoadedAudio):
             utils.log_error(f'Failed to load reference audio with ID {audio_id}.')
             raise RuntimeError(f'Reference audio (ID: {audio_id}) is not available.')
 
         # Cache loaded audio
-        CACHE.add_reference_audio(audio_id, LOADED_AUDIO)
+        CACHE.add_reference_audio(audio_id, CONFIG.LoadedAudio)
 
     # Use loaded audio as reference
-    REFERENCE_AUDIO = str(LOADED_AUDIO)
+    CONFIG.ReferenceAudio = str(CONFIG.LoadedAudio)
 
     CURRENT_TASK = task_name
 
@@ -352,22 +335,22 @@ def run_caller_task(t):
 
 # Runs caller probe - load task list and perform calls
 def run_probe():
-    global TASK_LIST, REFERENCE_AUDIO, LOADED_AUDIO, CURRENT_TASK, FORCE_RUN
+    global TASK_LIST, CURRENT_TASK
 
     while True:
         # Get task list update
-        new_tasks = BackendServer.load_tasks()
+        new_tasks = BACKEND.load_tasks()
         if new_tasks is None:
             # Check in cache
             utils.log('Checking for task list in cache...')
-            new_tasks = CACHE.get_tasks(BackendServer.phone.name)
+            new_tasks = CACHE.get_tasks(BACKEND.phone.name)
 
         # Did we fetch anything ?
         if new_tasks:
             utils.log(f'  Task list found.')
             # Merge with existing ones. Some tasks can be removed, some can be add.
             changed = TASK_LIST.merge_with(incoming_tasklist = new_tasks)
-            CACHE.put_tasks(name=BackendServer.phone.name, tasks=TASK_LIST)
+            CACHE.put_tasks(name=BACKEND.phone.name, tasks=TASK_LIST)
         else:
             utils.log('  Task isn\'t found in cache.')
             raise RuntimeError(f'No task list found, exiting.')
@@ -382,7 +365,7 @@ def run_probe():
             utils.log_verbose(f"Resulting task list: {TASK_LIST.tasks}")
 
 
-        if FORCE_RUN and len(TASK_LIST.tasks) > 0:
+        if CONFIG.ForceRun and len(TASK_LIST.tasks) > 0:
             run_caller_task(TASK_LIST.tasks[0])
             break
         
@@ -419,198 +402,138 @@ def run_probe():
             time.sleep(60)
 
 
+def remove_pid_on_exit():
+    if CONFIG.QualtestPID:
+        if CONFIG.QualtestPID.exists():
+            os.remove(CONFIG.QualtestPID)
+
+
 def receive_signal(signal_number, frame):
     # Delete PID file
-    if os.path.exists(QUALTEST_PID):
+    remove_pid_on_exit()
-        os.remove(QUALTEST_PID)
     
     # Debugging info
     print(f'Got signal {signal_number} from {frame}')
     
-    # Stop GSM call
-    utils_mcon.gsm_stop_call()
-    
     # Exit
     raise SystemExit('Exiting')
     return
 
 
+
 # Check if Python version is ok
 assert sys.version_info >= (3, 6)
 
 # Use later configuration files
 # https://stackoverflow.com/questions/3609852/which-is-the-best-way-to-allow-configuration-options-be-overridden-at-the-comman
 
+if __name__ == '__main__':
+    CONFIG = AgentConfig()
+    if len(sys.argv) < 2:
+        CONFIG.parser().print_help()
+        sys.exit(EXIT_OK)
 
-parser = argparse.ArgumentParser()
+    if CONFIG.QualtestPID.exists() and CONFIG.CheckPIDFile:
-parser.add_argument("--config",         help="Path to config file, see config.in.yaml.")
+        print(f'File {CONFIG.QualtestPID} exists, seems another instance of script is running. Please delete {CONFIG.QualtestPID} to allow the start.')
-parser.add_argument("--check-pid-file", action="store_true", help="Check if .pid file exists and exit if yes. Useful for using with .service files")
+        sys.exit(EXIT_OK)
-parser.add_argument("--test",           action="store_true", help="Run the first task immediately. Useful for testing.")
 
-# Parse arguments
+    # Remove PID file on exit (if needed)
-args = parser.parse_args()
+    atexit.register(remove_pid_on_exit)
 
-# Show help and exit if required
+    # register the signals to be caught
-if len(sys.argv) < 2:
+    signal.signal(signal.SIGINT, receive_signal)
-    parser.print_help()
+    signal.signal(signal.SIGQUIT, receive_signal)
-    sys.exit(EXIT_OK)
 
-if args.test:
+    # Preconnect the phone
-    FORCE_RUN = True
+    if CONFIG.BT_MAC:
-    
-if Path(QUALTEST_PID).exists() and args.check_pid_file:
-    print(f'File {QUALTEST_PID} exists, seems another instance of script is running. Please delete {QUALTEST_PID} to allow the start.')
-    sys.exit(EXIT_OK)
-
-# Check if config file exists
-config = None
-config_path = 'config.yaml'
-
-if args.config:
-    config_path = args.config
-
-with open(config_path, 'r') as stream:
-    config = yaml.safe_load(stream)
-
-
-# register the signals to be caught
-signal.signal(signal.SIGINT, receive_signal)
-signal.signal(signal.SIGQUIT, receive_signal)
-# signal.signal(signal.SIGTERM, receive_signal)
-# SIGTERM is sent from utils_mcon as well (multiprocessing?)
-
-# Override default audio samplerate if needed
-if 'samplerate' in config['audio']:
-    if config['audio']['samplerate']:
-        utils_mcon.SAMPLERATE = int(config['audio']['samplerate'])
-
-if config['force_task']:
-    FORCE_RUN = True
-
-if 'speech_detector' in config:
-    if config['speech_detector']:
-        USE_SILENCE_ERASER = False
-
-if 'bluetooth_mac' in config['audio']:
-    bt_mac = config['audio']['bluetooth_mac']
-    if len(bt_mac) > 0:
         # Connect to phone before
+        utils.log(f'Connecting to BT MAC {CONFIG.BT_MAC} ...')
         bt_ctl = Bluetoothctl()
-        bt_ctl.connect(bt_mac)
+        bt_ctl.connect(CONFIG.BT_MAC)
+        utils.log(f'  Done.')
 
-# Logging settings
+    # Logging settings
-utils.verbose_logging = config['log']['verbose']
+    utils.verbose_logging = CONFIG.Verbose
 
-if config['log']['path']:
+    if CONFIG.LogPath:
-    LOG_FILEPATH = config['log']['path']
+        utils.open_log_file(CONFIG.LogPath, 'at')
-    utils.open_log_file(LOG_FILEPATH, 'at')
-
-# Use native ALSA utilities on RPi
-if utils.is_raspberrypi():
-    utils.log('RPi detected, using alsa-utils player & recorded')
-    utils_mcon.USE_ALSA_AUDIO = True
-
-if 'ALSA' in config['audio']:
-    if config['audio']['ALSA']:
-        utils_mcon.USE_ALSA_AUDIO = True
 
 
-if 'adb' in config['log']:
+    if CONFIG.CacheDir:
-    if config['log']['adb']:
+        CACHE = utils_cache.InfoCache(dir=CONFIG.CacheDir)
-        utils_mcon.VERBOSE_ADB = True
-        utils.log('Enabled adb logcat output')
-
-# Audio directories
-if 'cache_dir' in config:
-    DIR_CACHE = Path(config['cache_dir'])
-    if not DIR_CACHE.is_absolute():
-        DIR_CACHE = DIR_THIS.parent / config['cache_dir']
-
-    CACHE = utils_cache.InfoCache(dir=DIR_CACHE)
 
 
-# Update path to pvqa/aqua-wb
+    # Update path to pvqa/aqua-wb
-utils_sevana.find_binaries(DIR_PROJECT / 'bin')
+    utils_sevana.find_binaries(DIR_PROJECT / 'bin')
 
-# Load latest licenses & configs - this requires utils_sevana.find_binaries() to be called before
+    # Load latest licenses & configs - this requires utils_sevana.find_binaries() to be called before
-utils_sevana.load_config_and_licenses(config['backend'])
+    # utils_sevana.load_config_and_licenses(config['backend'])
 
-# Audio devices
-if 'record_device' in config['audio'] and 'play_device' in config['audio']:
-    utils_mcon.AUDIO_DEV_RECORD = config['audio']['record_device']
-    utils_mcon.AUDIO_DEV_PLAY = config['audio']['play_device']
 
-# Limit number of calls
+    # Limit number of calls
-if config['task_limit']:
+    if CONFIG.TaskLimit:
-    CALL_LIMIT = config['task_limit']
+        utils.log(f'Limiting number of calls to {CONFIG.TaskLimit}')
-    utils.log(f'Limiting number of calls to {CALL_LIMIT}')
 
-# Reset task list
+    # Reset task list
-utils_qualtest.TASK_LIST = []
+    utils_qualtest.TASK_LIST = []
 
-# Init backend server
+    # Init backend server
-BackendServer = utils_qualtest.QualtestBackend()
+    BACKEND = utils_qualtest.QualtestBackend()
-BackendServer.instance = config['name']
+    BACKEND.instance = CONFIG.Name
-BackendServer.address = config['backend']
+    BACKEND.address = CONFIG.Backend
 
     
-# Write pid file to current working directory
+    # Write pid file to current working directory
-with open(QUALTEST_PID, "w") as f:
+    if CONFIG.QualtestPID:
-    f.write(str(os.getpid()))
+        with open(CONFIG.QualtestPID, 'w') as f:
-    f.close()
+            f.write(str(os.getpid()))
+            f.close()
 
-
+    try:
-try:
+        # Load information about phone
-    # Load information about phone
+        utils.log(f'Loading information about the node {BACKEND.instance} from {BACKEND.address}')
-    utils.log(f'Loading information about the node {BackendServer.instance} from {BackendServer.address}')
+        BACKEND.preload(CACHE)
-    BackendServer.preload(CACHE)
+        if BACKEND.phone is None:
-    if BackendServer.phone is None:
+            utils.log_error(f'Failed to obtain information about {BACKEND.instance}. Exiting.')
-        utils.log_error(f'Failed to obtain information about {BackendServer.instance}. Exiting.')
+            exit(EXIT_ERROR)
-        exit(EXIT_ERROR)
     
-    # Cache information
+        # Cache phone information
-    CACHE.put_phone(BackendServer.phone)
+        CACHE.put_phone(BACKEND.phone)
 
-    # Upload results which were remaining in cache
+        # Upload results which were remaining in cache
-    upload_results()
+        upload_results()
 
-    if 'answerer' in BackendServer.phone.role:
+        if 'answerer' in BACKEND.phone.role:
-        # Check if task name is specified
+            # Check if task name is specified
-        if not config['task']:
+            if CONFIG.TaskName is None:
-            utils.log_error('Please specify task value in config file.')
+                utils.log_error('Please specify task value in config file.')
-            if os.path.exists(QUALTEST_PID):
-                os.remove(QUALTEST_PID)
-            sys.exit(utils_mcon.EXIT_ERROR)
-
-        # Save current task name
-        CURRENT_TASK = config['task']
-
-        # Load reference audio
-        utils.log('Loading reference audio...')
-        if BackendServer.load_audio(BackendServer.phone.audio_id, REFERENCE_AUDIO):
-            CACHE.add_reference_audio(BackendServer.phone.audio_id, REFERENCE_AUDIO)
-        else:
-            utils.log_error('Audio is not available online.')
-            if not CACHE.get_reference_audio(BackendServer.phone.audio_id, REFERENCE_AUDIO):
-                utils.log_error('Reference audio is not cached, sorry. Exiting.')
                 sys.exit(EXIT_ERROR)
 
-        # Preparing reference audio
+            # Save current task name
-        utils.log('Running answering loop...')
+            CURRENT_TASK = CONFIG.TaskName
-        perform_answerer()
 
-    elif 'caller' in BackendServer.phone.role:
+            # Load reference audio
-        utils.log('Running caller...')
+            utils.log('Loading reference audio...')
-        run_probe()
+            if BACKEND.load_audio(BACKEND.phone.audio_id, CONFIG.ReferenceAudio):
+                CACHE.add_reference_audio(BACKEND.phone.audio_id, CONFIG.ReferenceAudio)
+            else:
+                utils.log_error('Audio is not available online.')
+                if not CACHE.get_reference_audio(BACKEND.phone.audio_id, CONFIG.REFERENCE_AUDIO):
+                    utils.log_error('Reference audio is not cached, sorry. Exiting.')
+                    sys.exit(EXIT_ERROR)
 
-except Exception as e:
+            # Preparing reference audio
-    utils.log_error('Error', e)
+            utils.log('Running answering loop...')
+            perform_answerer()
 
-# Close log file
+        elif 'caller' in BACKEND.phone.role:
-utils.close_log_file()
+            utils.log('Running caller...')
+            run_probe()
 
-# Exit with success code
+    except Exception as e:
-if os.path.exists(QUALTEST_PID):
+        utils.log_error('Error', e)
-    os.remove(QUALTEST_PID)
 
-sys.exit(EXIT_OK)
+    # Close log file
+    utils.close_log_file()
+
+    sys.exit(EXIT_OK)

src/bt_call_controller.py

@@ -63,10 +63,11 @@ def set_headset_mic_volume(vol: float):
 
 
 # Function to get the phone stream index to capture the downlink.
-def get_headset_spk_idx():
+def get_headset_spk_idx(timeout: int = 10):
     utils.log('Waiting for phone stream index (please ensure all PA Bluetooth modules are loaded before)... ')
     phoneIdx = ''
-    while phoneIdx == '':
+    startTime = time.time()
+    while phoneIdx == '' and (time.time() - startTime < timeout):
         time.sleep(1)
         # grep 1-4 digit
         phoneIdx = os.popen('pacmd list-sink-inputs | grep -B5 alsa_output | grep index | grep -oP "[0-9]{1,4}"').read()
@@ -116,6 +117,9 @@ def answer_call(play_file: str):
 # Record downlink.
 def capture_phone_alsaoutput(output_path: str):
     default_output = get_headset_spk_idx().rstrip('\n')
+    if default_output == '':
+        return None
+    
     cmd = f'parec --monitor-stream={default_output} --file-format=wav {output_path}'
     utils.log(cmd)
     # Example: parec --monitor-stream=34 --file-format=wav sample1.wav
@@ -281,6 +285,11 @@ def run(play_file: str, record_file: str, timelimit_seconds: int, target: str):
     # Start recording
     utils.log(f'Start recording with ALSA to {record_file}')
     process_recording = capture_phone_alsaoutput(record_file)
+    if process_recording is None:
+        utils.log_error(f'Failed to start recording downlink, exiting.')
+        cleanup()
+        return
+    
     utils.log(f'Main loop PID: {os.getpid()}, TID: {threading.get_ident()}')
     
     # Wait until call is finished

src/bt_phone.py

@@ -116,7 +116,7 @@ class Phone(Observable):
                 if self.modem is None:
                         utils.log_error(f'No BT modem found. Please reconnect the phone.')
                         raise RuntimeError('No BT modem found.')
-                                
+                     
                 # Log about found modem
                 utils.log(f'BT modem found. Modem: {self.modem}')
 

src/bt_preconnect.py

@@ -1,38 +0,0 @@
-#!/usr/bin/python3
-
-import os
-import sys
-import yaml
-import subprocess
-import utils_bt_audio
-import utils
-from bt_controller import Bluetoothctl
-
-if __name__ == '__main__':
-    if len(sys.argv) < 2:
-        print(f'Usage: bt_preconnect.py <path to config file>')
-        exit(0)
-
-    with open(sys.argv[1], 'r') as config_stream:
-        config = yaml.safe_load(config_stream)
-
-        if 'bluetooth_mac' in config['audio'] and 'bluetooth' in config['audio']:
-            use_bt = config['audio']['bluetooth']
-            bt_mac = config['audio']['bluetooth_mac']
-            if use_bt and len(bt_mac) > 0:
-                
-                if not utils_bt_audio.start_PA():
-                    print('Exiting')
-                    exit(1)
-                
-                # Connect to phone
-                utils.log(f'Connecting to {bt_mac} ...')
-                bt_ctl = Bluetoothctl()
-                status = bt_ctl.connect(bt_mac)
-                if status:
-                    utils.log(f'  Connected ok.')
-                else:
-                    utils.log_error(f'  Not connected, sorry.')
-        else:
-            utils.log_error('BT config not found.')
-        exit(0)

src/utils_mcon.py

@@ -1,648 +0,0 @@
-#!/usr/bin/python3
-# coding: utf-8
-import argparse
-from multiprocessing.synchronize import Event
-import os
-import sys
-import traceback
-import time
-import subprocess
-import multiprocessing
-import signal
-import enum
-import utils
-import utils_logcat
-import utils_rabbitmq
-import utils_event
-
-from enum import Enum
-from multiprocessing import Value
-
-import utils_alsa
-# if not utils.is_raspberrypi():
-#    import utils_audio
-# import uiautomator2 as u2
-
-# This script is a bridge between android phone & audio recording & mobile helper app (Qualtest GSM)
-
-ADB = utils_logcat.ADB
-
-# This script version number
-MCON_VERSION = "1.2.7"
-
-# Audio devices to play & record
-AUDIO_DEV_PLAY = None
-AUDIO_DEV_RECORD = None
-
-# Files to play & record
-FILE_PLAY = None
-FILE_RECORD = None
-
-# Exit codes
-EXIT_SUCCESS = 0
-EXIT_ERROR = 1
-
-# Time limitation for monitoring function
-TIME_LIMIT_MONITORING = 86400*10000
-
-# Subprocesses
-PROCESS_MONITOR : multiprocessing.Process = None
-# PROCESS_RECORD : multiprocessing.Process = None
-# PROCESS_PLAY : multiprocessing.Process = None
-
-# Log ADB messages in verbose mode ?
-VERBOSE_ADB = False
-
-# Call time limit (in seconds)
-TIME_LIMIT_CALL = 120
-
-# Silence suffix length (in seconds)
-SILENCE_SUFFIX_LENGTH = 30
-
-# Silence prefix length (in seconds)
-SILENCE_PREFIX_LENGTH = 15
-
-# Override samplerate if needed
-SAMPLERATE: int = 48000
-
-# Processing script
-PROCESSING_SCRIPT = None
-
-# Nr of processed calls
-PROCESSED_CALLS: Value = Value('i', 0)
-
-# Number of calls todo
-LIMIT_CALLS: Value = Value('i', 0)
-
-# Use aplay / arecord from alsa-utils to play&capture an audio
-USE_ALSA_AUDIO: bool = False
-
-# Stop notification. Put it to non-zero when script has to be stopped.
-STOP_FLAG = multiprocessing.Value('i', 0)
-
-RABBITMQ_CONNECTION = None
-RABBITMQ_EXCHANGE = None
-RABBITMQ_QUEUE = None
-RABBITMQ_SESSIONID = None
-
-# Can be 'caller' or 'answerer'
-class Role(Enum):
-    Caller = 1
-    Answerer = 2
-
-ROLE = None
-
-
-def signal_handler(signum, frame):
-    print(f'Signal handler with code {signum}')
-    if PROCESS_MONITOR:
-        if PROCESS_MONITOR.is_alive:
-            print('Finishing the monitoring process...')
-            try:
-                if PROCESS_MONITOR._popen is not None:
-                    PROCESS_MONITOR.terminate()
-            except Exception:
-                traceback.print_exc()
-
-    print('Signal handler exit.')
-    exit(0)    
-
-
-def start_gsm_app():
-    cmdline = f'{ADB} shell am start -n biz.sevana.qualtestgsm/.MainActivity'
-    retcode = os.system(cmdline)
-    if retcode != 0:
-        raise IOError()
-
-
-# Initiates file playing and wait for finish (optionally)
-def play_file(path: str, wait: bool, device: str, samplerate: int = None):
-    path_to_player = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'audio_play.py')
-    
-    cmdline = f'python3 {path_to_player} --device "{device}" --input "{path}"'
-    if samplerate:
-        cmdline = cmdline + f' --samplerate {samplerate}'
-
-    utils.log_verbose(cmdline)
-    if wait:
-        os.system(cmdline)
-    else:
-        p = subprocess.Popen(cmdline, stdout=subprocess.PIPE, shell=True)
-        return p
-
-
-# Initiates file playing and wait for finish (optionally)
-def record_file(path: str, wait: bool, device: str, time_limit: int = 10, samplerate: int = None):
-    path_to_recorder = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'audio_record.py')
-
-    # Please be aware - macOS prohibits recording from microphone by default. When debugging under VSCode please ensure it has permission to record audio.
-    cmdline = f'python3 {path_to_recorder} --device "{device}" --output "{path}" --limit {time_limit}'
-    if samplerate:
-        cmdline = cmdline + f' --samplerate {samplerate}'
-        
-    utils.log_verbose(cmdline)
-    if wait:
-        os.system(cmdline)
-    else:
-        p = subprocess.Popen(cmdline, stdout=subprocess.PIPE, shell=True)
-        return p
-
-
-# Accept incoming GSM call
-def gsm_accept_incoming():
-    os.system(f"{ADB} shell input keyevent 5")
-
-
-# Reject incoming GSM call
-def gsm_reject_incoming():
-    os.system(f"{ADB} shell input keyevent 6")
-
-
-# Initiate new GSM call
-def gsm_make_call(target: str):
-    os.system(f"{ADB} shell am start -a android.intent.action.CALL -d tel:{target}")
-
-
-# End current GSM call
-def gsm_stop_call():
-    # os.system(f"{ADB} shell input keyevent 6")
-    # utils.log_verbose('GSM call stop keyevent is sent.')
-    pass
-
-def gsm_send_digit(digit: str):
-    os.system(f"{ADB} shell input KEYCODE_{digit}")
-
-
-#def gsm_attach_automator():
-#    # Run stock dialer as way to preload automator stack
-#    utils.log("Connecting to device...")
-#    d = u2.connect()
-
-#    # Preload GSM helper app
-#    utils.log("Preloading GSM helper app")
-#    d.app_start("biz.sevana.qualtestgsm")
-
-#    # Wait timeout for UI element is 60.0s
-#    d.implicitly_wait(60.0)
-
-#    # Preload stock dialer
-#    # utils.log("Preloading stock dialer")
-#    # d.app_start("com.skype.raider")
-#    return d
-
-
-def gsm_switch_to_dtmf_panel(d):
-    # As stub for now - use Skype Contact click
-    # d(resourceId="com.skype.raider:id/vm_name", text=contact_name).click()
-    return None
-
-
-def run_shell_script(file_recorded: str, file_played: str, number: str):
-    global PROCESSED_CALLS
-    # Log about passed parameters
-    utils.log_verbose(f'Running shell script with variables: recorded - {file_recorded}, played - {file_played}, number - {number}')
-    utils.log_verbose(f'Template: {PROCESSING_SCRIPT}')
-
-    # Prepare command line
-    cmdline = PROCESSING_SCRIPT.replace('$RECORDED', file_recorded).replace('$PLAYED', file_played).replace('$NUMBER', number)
-    utils.log_verbose(cmdline)
-    
-    # Run script
-    retcode = os.system(cmdline)
-    if retcode != 0:
-        utils.log_error(f'Processing script call \'{cmdline}\' returned exit code {retcode}')
-
-    PROCESSED_CALLS.value = PROCESSED_CALLS.value + 1
-    return True
-
-
-def run_error_handler(error_message):
-    global PROCESSED_CALLS
-
-    utils.log_error(f'Processing script call ended with problem: {error_message}')
-    # Increase counter of processed calls to allow script to exit
-    PROCESSED_CALLS.value = PROCESSED_CALLS.value + 1
-
-
-class CallState(enum.Enum):
-    IDLE = 0
-    INCOMING = 1
-    ESTABLISHED = 2
-
-
-# Monitor logcat output and tell about events
-# on_start is lambda with 3 parameters (file_test, file_reference, phone_number) 
-# on_finish is lambda with 3 parameters (file_test, file_reference, phone_number)
-PREPARED_REFERENCE_AUDIO = '/dev/shm/built_reference.wav'
-
-def gsm_monitor(file_to_play: str, file_to_record: str, on_start, on_finish, on_error):
-    global PREPARED_REFERENCE_AUDIO, STOP_FLAG, USE_ALSA_AUDIO, AUDIO_DEV_RECORD, AUDIO_DEV_PLAY
-    
-    utils.log_verbose(f'File to play: {file_to_play}, file to record: {file_to_record}')
-    utils.log_verbose(f'on_start: {on_start}, on_finish: {on_finish}, on_error: {on_error}')
-    
-    # Reset stop flag
-    STOP_FLAG.value = 0
-
-    # Prepare reference audio for RPi
-    utils.prepare_reference_file(fname=file_to_play, 
-        silence_prefix_length=SILENCE_PREFIX_LENGTH, 
-        silence_suffix_length=SILENCE_SUFFIX_LENGTH, 
-        output_fname=PREPARED_REFERENCE_AUDIO)
-    
-    # Create event queue
-    event_queue = multiprocessing.Queue()
-    
-    # Logcat event source
-    logcat = utils_logcat.LogcatEventSource()
-    logcat.queue = event_queue
-    logcat.open()
-
-    # RabbitMQ event source
-    rabbitmq = utils_rabbitmq.RabbitMQServer()
-    rabbitmq.event_queue = event_queue
-    rabbitmq.queue_name =       RABBITMQ_QUEUE
-    rabbitmq.exchange_name =    RABBITMQ_EXCHANGE
-    rabbitmq.url =              RABBITMQ_CONNECTION
-    rabbitmq.open()
-
-    # Audio related processes and poll objects
-    audio_player = None
-    audio_recorder = None
-
-    # Ensure audio devices are recognized
-    if USE_ALSA_AUDIO:
-        if AUDIO_DEV_RECORD == 'auto':
-            AUDIO_DEV_RECORD = utils_alsa.AlsaRecorder.find_default()
-            utils.log(f'Recording device resolved to {AUDIO_DEV_RECORD}')
-        if AUDIO_DEV_PLAY == 'auto':
-            AUDIO_DEV_PLAY = utils_alsa.AlsaPlayer.find_default()
-            utils.log(f'Playing device resolved to {AUDIO_DEV_PLAY}')
-
-    # Monitoring start time
-    timestamp_start = utils.get_monotonic_time()
-    
-    # Call start time
-    timestamp_call = None
-    if ROLE == Role.Caller:
-        timestamp_call = utils.get_monotonic_time()
-
-    # Should call to be stopped ?
-    force_call_stop = False
-
-    call_state : CallState = CallState.IDLE
-
-    # Read logcat output line by line
-    while True:
-        # Check if time limit is hit
-        if utils.get_monotonic_time() - timestamp_start > TIME_LIMIT_MONITORING:
-            break
-        
-        # Check if limit of calls hit
-        if LIMIT_CALLS.value != 0 and PROCESSED_CALLS.value >= LIMIT_CALLS.value:
-            break
-
-        # Check if call hit maximum length - smth goes weird, exit from the script
-        if timestamp_call:
-            if util.get_monotonic_time() - timestamp_call > TIME_LIMIT_CALL:
-                utils.log_verbose(f'Call time limit ({TIME_LIMIT_CALL}s). Stop the call.')
-                timestamp_call = None
-                
-                # Try to end mobile call twice. Sometimes first attempt fails (observed on Galaxy M11).
-                gsm_stop_call()
-                gsm_stop_call()
-                
-                if ROLE == Role.Caller:
-                    # Treat call as stopped
-                    # Exit from loop
-                    utils.log_verbose(f'Exit from the processing loop as call time limit hit; smth goes wrong, exit from the script.')
-                    
-                    # Signal to caller to stop processing outer script
-                    STOP_FLAG.value = 1
-
-                    # Exit
-                    exit(1)
-                    # break
-
-        # Next event ?
-        event: utils_event.CallEvent = None
-        try:
-            event = event_queue.get(timeout = 1.0)
-        except:
-            # No event available
-            continue
-
-        if event is None:
-            continue
-        
-        if len(event.session_id) > 0 and event.session_id != RABBITMQ_SESSIONID:
-            utils.log_verbose(f'Skip event from old session')
-            continue
-
-        # Process events
-        if event.name == utils_event.EVENT_IDLE:
-            idle_detected = True
-            
-        elif event.name == utils_event.EVENT_CALL_INCOMING:
-            if call_state != CallState.IDLE:
-                utils.log(f'Duplicate event {event}, ignoring.')
-                continue
-
-            call_state = CallState.INCOMING
-            # Accept incoming call
-            utils.log_verbose(f'Detected Incoming call notification (number {event.number}) from mobile helper app.')
-            
-            # Double accept - sometimes phones ignore the first attempts
-            gsm_accept_incoming()
-            gsm_accept_incoming()
-            utils.log_verbose(f'Incoming call accepted.')
-                
-        elif event.name == utils_event.EVENT_CALL_FINISHED:
-            if call_state != CallState.ESTABLISHED:
-                utils.log(f'Duplicate event {event}, ignoring.')
-
-            call_state = CallState.IDLE
-            utils.log_verbose(f'Detected call stop notification from the mobile helper app')
-            # Reset counter of call length
-            timestamp_call = None
-
-            # Stop playing & capturing
-            utils.log_verbose(f'Call from {event.number} finished.')
-            if audio_recorder:
-                audio_recorder.stop_recording()
-                audio_recorder.close()
-                audio_recorder = None
-
-            if audio_player:
-                audio_player.stop_playing()
-                audio_player.close()
-                audio_player = None
-                
-            # Restart audio - lot of debugging output from ALSA libraries can be here. It is a known problem of ALSA libraries.
-            if USE_ALSA_AUDIO:
-                utils_alsa.restart_audio()
-            else:
-                utils_audio.restart_audio()
-
-            # Here recording finished, call script to process
-            if on_finish:
-                if os.path.exists(file_to_record):
-                    utils.log(f'Recorded file: {file_to_record}')
-
-                    # Call handler
-                    if on_finish(file_to_record, file_to_play, event.permissions) in [False, None] :
-                        utils.log_error(f'Analyzer routine returned negative result, exiting.')
-                        
-                        # Signal to caller to stop processing outer script
-                        STOP_FLAG.value = 1
-
-                        sys.exit(EXIT_ERROR)
-                    
-                    # Remove processed file before writing the next one
-                    # if os.path.exists(file_to_record):
-                    #    os.remove(file_to_record)
-                else:
-                    utils.log_error(f'Smth wrong - no recorded file {file_to_record}')    
-                    if not on_finish(None, file_to_play, None):
-                        # Signal to caller to stop processing outer script
-                        STOP_FLAG.value = 1
-
-                        sys.exit(EXIT_ERROR)
-                        
-
-        elif event.name == utils_event.EVENT_CALL_ESTABLISHED:
-            if call_state == CallState.ESTABLISHED:
-                utils.log(f'Duplicate event {event}, ignoring.')
-                continue
-            call_state = CallState.ESTABLISHED
-
-            utils.log_verbose(f'Detected call start notification from the mobile helper app, trying to start audio.')
-
-            # Save call start time
-            timestamp_call = utils.get_monotonic_time()
-
-            # Is audio failed 
-            audio_failed = False
-
-            # Start playing
-            utils.log_verbose(f'Call with {event.number} is established.')
-            if file_to_play:
-                if not USE_ALSA_AUDIO:
-                    device_index, device_rate = utils_audio.get_output_device_index(AUDIO_DEV_PLAY)
-                if SAMPLERATE:
-                    device_rate = SAMPLERATE
-
-                utils.resample_to(file_to_play, int(device_rate))
-
-                utils.log_verbose(f'Playing file: {file_to_play}')
-                try:
-                    if USE_ALSA_AUDIO:
-                        audio_player = utils_alsa.AlsaPlayer(device_name=AUDIO_DEV_PLAY, channels=2, rate=48000, fname=PREPARED_REFERENCE_AUDIO)
-                    else:
-                        audio_player = utils_audio.Player(device_index=device_index).open(fname=file_to_play, 
-                            silence_prefix=SILENCE_PREFIX_LENGTH, silence_suffix=SILENCE_SUFFIX_LENGTH)
-                    audio_player.start_playing()
-                    
-                except Exception as e:
-                    utils.log_error(e)
-                    audio_failed = True
-
-            # Start capturing
-            if file_to_record and not audio_failed:
-                utils.log_verbose(f'Recording file: {file_to_record}')
-                
-                # Remove old file if needed
-                if os.path.exists(file_to_record):
-                    os.remove(file_to_record)
-                if not USE_ALSA_AUDIO:
-                    device_index, device_rate = utils_audio.get_input_device_index(AUDIO_DEV_RECORD)
-                if SAMPLERATE:
-                    device_rate = SAMPLERATE
-
-                try:
-                    if USE_ALSA_AUDIO:
-                        audio_recorder = utils_alsa.AlsaRecorder(device_name=AUDIO_DEV_RECORD, rate=int(device_rate), fname=file_to_record)
-                    else:
-                        audio_recorder = utils_audio.Recorder(device_index=device_index, rate=int(device_rate)).open(fname=file_to_record)
-                    audio_recorder.start_recording()
-                except Exception as e:
-                    utils.log_error(e)
-                    audio_failed = True
-            
-            if audio_failed:
-                gsm_stop_call()
-                gsm_stop_call()
-
-                if on_error: 
-                    on_error('Audio failed.')
-
-            elif on_start:
-                on_start(file_to_record, file_to_play, event.number)
-
-
-
-def make_call(target: str):
-    global ROLE, PROCESS_MONITOR, STOP_FLAG, PROCESSED_CALLS
-
-    ROLE = Role.Caller
-
-    # Start subprocess to monitor events from Qualtest GSM
-    finish_handler = lambda file_record, file_play, number: run_shell_script(file_record, file_play, number)
-    error_handler = lambda error_message: run_error_handler(error_message)
-
-    PROCESS_MONITOR = multiprocessing.Process(target=gsm_monitor, args=(FILE_PLAY, FILE_RECORD, None, finish_handler, error_handler))
-    PROCESS_MONITOR.start()
-    
-    # Initiate GSM phone call via adb
-    gsm_make_call(target)
-
-    # Log    
-    utils.log_verbose('Call is initiated, processing...')
-
-    # Wait for call finish with some timeout. Kill monitoring process on finish.
-    while True and STOP_FLAG.value != 1 and PROCESSED_CALLS.value == 0:
-        time.sleep(0.5)
-
-    # Kill the monitoring process - this will send SIGTERM signal. It is a cause why agent_gsm doesn't handle SIGTERM
-    PROCESS_MONITOR.terminate()
-    
-    return None
-
-
-def answer_calls():
-    global ROLE, PROCESS_MONITOR, STOP_FLAG, PROCESSED_CALLS
-
-    ROLE = Role.Answerer
-
-    # Start subprocess to monitor events from Qualtest GSM.  
-    finish_handler = lambda file_record, file_play, number: run_shell_script(file_record, file_play, number)
-    error_handler = lambda error_message: run_error_handler(error_message)
-
-    PROCESS_MONITOR = multiprocessing.Process(target=gsm_monitor, args=(FILE_PLAY, FILE_RECORD, None, finish_handler, error_handler))
-    PROCESS_MONITOR.start()
-
-    # Indefinite loop. Exit is in signal handler
-    while True and STOP_FLAG.value != 1 and PROCESSED_CALLS.value == 0:
-        time.sleep(0.5)
-
-    # Kill the monitoring process - this will send SIGTERM signal. It is a cause why agent_gsm doesn't handle SIGTERM
-    PROCESS_MONITOR.terminate()
-    return None
-
-
-if __name__ == '__main__':
-    # Default exit code
-    retcode = EXIT_SUCCESS
-
-    # Handle signals
-    signal.signal(signal.SIGINT, signal_handler)
-    signal.signal(signal.SIGTERM, signal_handler)
-
-    # Command line parameters
-    parser = argparse.ArgumentParser()
-    parser.add_argument("--play-device",        help="Output audio device name. Used to play reference audio to mobile call. Example (for ALSA): hw:2,0")
-    parser.add_argument("--record-device",      help="Input device name. Used to record audio received from the mobile call.")
-    # parser.add_argument("--show-devices",       help="list available output audio devices.", action="store_true")
-    parser.add_argument("--make-call",          help="Target number as is. Usuall smth like +XYZ. Initiate a call to target number invoking the call on mobile phone and playing/recording audio to/from the call. Otherwise script will run expecting for incoming call.")
-    parser.add_argument("--play-file",          help="Path to played (reference) audio. On RPi platform this should be 48KHz stereo audio.")
-    parser.add_argument("--record-file",        help="Path to recorded audio (received from mobile call). On RPi platform it will be 48KHz mono audio.")
-    parser.add_argument("--exec",               help="Path to postprocessing script. Postprocessing script will be run after the call finish with path to recorded audio as parameter. This should be a string like /home/user/postprocessing.sh $RECORDED. Substring $RECORDED will be replaced with actual path to recorded audio.")
-    # parser.add_argument("--adb-path",           help="Path to adb utility. This must be set to work with mobile phone!")
-    parser.add_argument("--call-timelimit",     help="Number of seconds. Call will be ended after specified timeout. Default value is 0 - no timeout.")
-    parser.add_argument("--test-play",          help="Play test audio file. Useful when testing configuration. However this will not work on RPi.", action="store_true")
-    parser.add_argument("--test-record",        help="Record test audio file for 10 seconds. Useful when testing configuration. However this will not work on RPi.", action="store_true")
-    parser.add_argument("--silence-prefix",     help="Number of seconds. Adds silence before played audio. Default value is 10 (seconds)")
-    parser.add_argument("--silence-suffix",     help="Number of seconds. Adds silence after played audio. Default value is 10 (seconds)")
-    parser.add_argument("--verbose",            help="Run in verbose mode. It doesn't generate too much data, recommended to set.", action="store_true")
-    parser.add_argument("--verbose-adb",        help="Log ADB messages when running in verbose mode. This can generate a lot of data, please be aware.", action="store_true")
-    parser.add_argument("--log-file",           help="Path to log file. By default log is sent to console.")
-    parser.add_argument("--version",            help="Show version number & exit", action="store_true")
-    parser.add_argument("--alsa-audio",         help="Use ALSA audio instead of PyAudio (portaudio)", action="store_true")
-    parser.add_argument("--rabbitmq-connection")
-    parser.add_argument("--rabbitmq-exchange")
-    parser.add_argument("--rabbitmq-queue")
-    parser.add_argument("--rabbitmq-sessionid")
-    # parser.add_argument("--dtmf",               help="Send DTMF string after call establishing and finish a call. Helper tool for some cases.")
-    # parser.add_argument("--samplerate",         help="<audio samplerate>. Overrides default audio samplerate.")
-    args = parser.parse_args()
-
-    if args.version:
-        print(f"Version: {MCON_VERSION}")
-        sys.exit(0)
-
-    RABBITMQ_CONNECTION = args.rabbitmq_connection
-    RABBITMQ_EXCHANGE = args.rabbitmq_exchange
-    RABBITMQ_QUEUE = args.rabbitmq_queue
-    RABBITMQ_SESSIONID = args.rabbitmq_sessionid
-
-    # ALSA audio ? Required on RPi
-    USE_ALSA_AUDIO = args.alsa_audio
-
-    # Open log file if needed
-    VERBOSE_ADB = args.verbose_adb
-    utils.verbose_logging = args.verbose
-    if args.log_file:
-        utils.open_log_file(args.log_file, "at")
-        utils.log(f"mcon version: {MCON_VERSION}")
-
-    if args.call_timelimit:
-        TIME_LIMIT_CALL = int(args.call_timelimit)
-    elif args.play_file:
-        TIME_LIMIT_CALL = utils.get_wav_length(args.play_file)
-    
-    utils.log(f'Limiting call time to {TIME_LIMIT_CALL}')
-
-    # Save audio devices
-    if args.play_device:
-        AUDIO_DEV_PLAY = args.play_device
-
-    if args.record_device:
-        AUDIO_DEV_RECORD = args.record_device
-
-    # Save files to play & record
-    if args.play_file:
-        FILE_PLAY = args.play_file
-
-    if args.record_file:
-        FILE_RECORD = args.record_file
-
-    # Processing script
-    if args.exec:
-        PROCESSING_SCRIPT = args.exec
-
-    # Should we make test here ?
-    if args.test_play:
-        if FILE_PLAY:
-            utils.log(f"Start test playing {FILE_PLAY} to {AUDIO_DEV_PLAY}")
-            play_file(FILE_PLAY, device=AUDIO_DEV_PLAY, wait=True)
-        else:
-            utils.log_error("File to play is not specified, exiting.")
-            retcode = EXIT_ERROR
-
-        sys.exit(retcode)
-
-    if args.test_record:
-        if FILE_RECORD:
-            utils.log(f"Start test recording from {AUDIO_DEV_RECORD} to {FILE_RECORD}")
-            record_file(FILE_RECORD, device=AUDIO_DEV_RECORD, wait=True)
-        else:
-            utils.log_error("File to record is not specified, exiting")
-            retcode = EXIT_ERROR
-
-        sys.exit(retcode)
-
-    # Check if we have to make a call
-    try:
-        if args.make_call:
-            make_call(args.make_call)
-        else:
-            answer_calls()
-
-    except Exception as e:
-        utils.log_error(e)
-
-    # Close log file
-    utils.close_log_file()
-
-    # Exit code 0 (success)
-    sys.exit(retcode)

src/utils_types.py

@@ -7,6 +7,11 @@ import json
 from crontab import CronTab
 
 
+
+# Exit codes
+EXIT_OK = 0
+EXIT_ERROR = 1
+
 class Phone:
     identifier: int = 0
     name: str = ""