Streaming audio to central command when on verbose

.gitignore

@@ -1,3 +1,5 @@
 venv
 *.pyc
+.project
+.pydevproject
 

hugvey/central_command.py

@@ -0,0 +1,166 @@
+"""
+"Conscript reporting"
+This server controls all hugveys and the processing of their narratives. It exposes itself for control to the panopticon server.
+"""
+
+
+import asyncio
+import logging
+import yaml
+import zmq
+
+from hugvey import panopticon
+from hugvey.voice.streamer import AudioStreamer
+from hugvey.voice.player import Player
+from hugvey.communication import getTopic, zmqSend, zmqReceive
+from pandas.conftest import ip
+from zmq.asyncio import Context
+import threading
+
+
+logger = logging.getLogger("command")
+
+class CentralCommand(object):
+    """docstring for CentralCommand."""
+    def __init__(self, debug_mode = False):
+        self.debug = debug_mode
+        self.eventQueue = asyncio.Queue()
+        self.commandQueue = asyncio.Queue()
+        self.isRunning = threading.Event()
+        self.hugveys = {}
+        self.ctx = Context.instance()
+        
+
+    def loadConfig(self, filename):
+        with open(filename, 'r') as fp:
+            logger.debug('Load config from {}'.format(filename))
+            self.config = yaml.safe_load(fp)
+        
+        
+        
+        self.hugvey_ids = [i+1 for i in range(self.config['hugveys'])]
+    
+    def commandHugvey(self, hv_id, msg):
+        self.commandQueue.put_nowait((hv_id, msg))
+        
+    def commandAllHugveys(self, msg):
+        for hv_id in self.hugvey_ids:
+            self.commandHugvey(hv_id, msg)
+        
+    def commandAllActiveHugveys(self, msg):
+        for hv_id in self.hugveys:
+            self.commandHugvey(hv_id, msg)
+    
+    async def commandSender(self):
+        s = self.ctx.socket(zmq.PUB)
+        s.bind(self.config['events']['cmd_address'])
+        
+        
+        self.commandAllHugveys({'action': 'show_yourself'})
+        
+        # sleep to allow pending connections to connect
+        await asyncio.sleep(1)
+        logger.info("Ready to publish commands on: {}".format(self.config['events']['cmd_address']))
+        logger.debug('Already {} items in queue'.format(self.commandQueue.qsize()))
+        
+        while self.isRunning.is_set():
+            hv_id, cmd = await self.commandQueue.get()
+            zmqSend(s, hv_id, cmd)
+        
+        s.close()
+    
+    def instantiateHugvey(self, hugvey_id, msg):
+        '''
+        Start a HugveyState, according to a show_yourself reply
+        
+        'event': 'connection',
+        'id': self.hugvey_id,
+        'host': socket.gethostname(),
+        'ip': self.getIp(),
+        '''
+#         def startHugvey():
+        h = HugveyState(hugvey_id, self)
+        h.config(msg['host'],msg['ip'])
+        
+        thread = threading.Thread(target=h.start)
+        thread.start()
+#         self.tasks['hv{}'.format(hugvey_id)] = self.loop.create_task(h.start())
+            
+    async def eventListener(self):
+        s = self.ctx.socket(zmq.SUB)
+        s.bind(self.config['events']['listen_address'])
+        logger.info("Listen for events on: {}".format(self.config['events']['listen_address']))
+        
+        for id in self.hugvey_ids:
+            s.subscribe(getTopic(id))
+        
+        while self.isRunning.is_set():
+            hugvey_id, msg = await zmqReceive(s)
+            
+            if hugvey_id not in self.hugvey_ids:
+                logger.critical("Message from alien Hugvey: {}".format(hugvey_id))
+                continue
+            elif hugvey_id not in self.hugveys:
+                if msg['event'] == 'connection':
+                    # Create a hugvey
+                    self.instantiateHugvey(hugvey_id, msg)
+                else:
+                    logger.warning("Message from uninstantiated Hugvey {}".format(hugvey_id))
+                    logger.debug("Message contains: {}".format(msg))
+                continue
+            else:
+                pass
+                    
+    def start(self):
+        self.isRunning.set()
+        self.loop = asyncio.get_event_loop()
+        self.tasks = {} # collect tasks so we can cancel in case of error
+        self.tasks['eventListener'] = self.loop.create_task(self.eventListener())
+        self.tasks['commandSender'] = self.loop.create_task(self.commandSender())
+#         self.tasks['commandSender'] = self.loop.create_task(self.commandSender())
+        self.loop.run_forever()
+    
+    def stop(self):
+        self.isRunning.clear()
+        
+
+
+class HugveyState(object):
+    """Represents the state of a Hugvey client on the server.
+    Manages server connections & voice parsing etc.
+    """
+    def __init__(self, id: int, command: CentralCommand):
+        super(HugveyState, self).__init__()
+        self.id = id
+        self.command = command
+        self.logger = logging.getLogger(f"hugvey{self.id}")
+        self.loop = asyncio.new_event_loop()
+    
+    def config(self, hostname, ip):
+        self.ip = ip
+        self.hostname = hostname
+        self.logger.info(f"Hugvey {self.id} at {self.ip}, host: {self.hostname}")
+    
+    def start(self):
+        # stop on isRunning.is_set() or wait()
+#         self.loop.create_task(self.startAudio())
+        tasks = asyncio.gather(self.startAudio(), loop=self.loop)
+        self.loop.run_until_complete(tasks)
+#         asyncio.run_coroutine_threadsafe(self._start(), self.loop)
+    
+    async def startAudio(self):
+        '''
+        Start the audio streamer service
+        '''
+        self.logger.info("Start audio stream")
+        streamer = AudioStreamer(
+            self.command.config['voice']['chunk'], 
+            self.ip,
+            int(self.command.config['voice']['port']))
+        
+        if self.command.debug:
+            self.logger.warn("Debug on: Connecting Audio player")
+            player = Player(self.command.config['voice']['src_rate'], self.command.config['voice']['out_rate'])
+            streamer.addConsumer(player)
+        
+        await streamer.run()

hugvey/client.py

@@ -1,8 +1,6 @@
 import pyaudio
 import socket
-import select
 import audioop
-import threading
 import logging
 import time
 import zmq
@@ -31,13 +29,13 @@ class VoiceServer(object):
         # input_device_idx = 0
         devices_count = self.p.get_device_count()
         for i in range(devices_count):
-             dev = self.p.get_device_info_by_index(i)
-             if input_device_idx is None and dev['maxInputChannels'] > 0:
-                 if (self.input_name and self.input_name in dev['name']) or \
-                 (not self.input_name and dev['name'] != 'default'):
-                     input_device_idx = dev['index']
-                     logger.info("Use device {0}: {1}".format(dev['index'],dev['name']))
-             logger.debug("{} {:0d} {}".format("* " if input_device_idx == i else "- ", i, dev['name']))
+            dev = self.p.get_device_info_by_index(i)
+            if input_device_idx is None and dev['maxInputChannels'] > 0:
+                if (self.input_name and self.input_name in dev['name']) or \
+                (not self.input_name and dev['name'] != 'default'):
+                    input_device_idx = dev['index']
+                    logger.info("Use device {0}: {1}".format(dev['index'],dev['name']))
+            logger.debug("{} {:0d} {}".format("* " if input_device_idx == i else "- ", i, dev['name']))
         return input_device_idx
 
 
@@ -45,6 +43,8 @@ class VoiceServer(object):
         if self.input_rate == self.target_rate:
             f = in_data
         else:
+            # chunk 4096, with 2 bytes per frame gives len(in_data) of 8192
+            # rate converted 44k1 -> 16k gives len(f) == 2972 (16/44.1 * 8192)
             f, self.laststate = audioop.ratecv(in_data, 2, 1, self.input_rate, self.target_rate, self.laststate)
 
         for s in self.clients:
@@ -52,7 +52,7 @@ class VoiceServer(object):
                 s.send(f)
             except Exception as e:
                 self.clients.remove(s)
-                logger.warn("Error sending to {}".format(s.getsockname()))
+                logger.warn("Error sending to {}, {}".format(s.getsockname(), e))
                 pass
         return (None, pyaudio.paContinue)
 
@@ -78,13 +78,15 @@ class VoiceServer(object):
             try:
                 self.voice_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                 self.voice_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-                self.voice_socket.bind(('', self.voice_port))
+                address = ('', self.voice_port)
+                self.voice_socket.bind(address)
                 self.voice_socket.listen(5)
 
                 read_list = [self.voice_socket]
-                logger.info( "Waiting for connections")
+                logger.info( "Waiting for voice connections on {}".format(address) )
                 while not self.stopped:
                     (clientsocket, address) = self.voice_socket.accept()
+                    logger.info( "Got voice connection from {}".format(address))
                     self.clients.append(clientsocket)
 
                 logger.info( "Stop recording & streaming")
@@ -178,7 +180,11 @@ class CommandHandler(object):
         logger.info("Publish on: {}".format(self.publish_address))
         # For some reason, sending only one message is lost, perhaps due
         # to connect() rather than bind() ??
+        
+        await asyncio.sleep(1) # wait for connection to be proper set
+        
         self.showMyself()
+        
         while True:
             for i in range(len(self.eventQueue)):
                 zmqSend(s, self.hugvey_id, self.eventQueue.pop(0))
@@ -204,7 +210,7 @@ class Hugvey(object):
             logger.debug('Load config from {}'.format(filename))
             self.config = yaml.safe_load(fp)
 
-    async def startCommandListener():
+    async def startCommandListener(self):
         return await self.cmd_server.command_listener()
 
     def start(self):

hugvey/communication.py

@@ -17,4 +17,4 @@ async def zmqReceive(socket):
     topic, msg = await socket.recv_multipart()
     hugvey_id = topic.decode()[2:]
     logger.info("Received 0mq messages for Hugvey #{} containing {}".format(hugvey_id, msg.decode()))
-    return hugvey_id, json.loads(msg)
+    return int(hugvey_id), json.loads(msg.decode())

hugvey/panopticon.py

@@ -0,0 +1,13 @@
+"""
+The panopticon provides a way to observe (& control) all running Hugveys trough a web interface
+"""
+
+import logging
+import tornado
+
+
+logger = logging.getLogger("panopticon")
+
+class Panopticon(object):
+    def __init__(self, config, command):
+        pass

hugvey/voice/player.py

@@ -0,0 +1,62 @@
+import pyaudio
+import logging
+import audioop
+
+
+logger = logging.getLogger("player")
+
+class Player:
+    """
+    Play the streamed audio
+    """
+
+    def __init__(self, src_rate, out_rate):
+        self.p = None
+        self.src_rate = src_rate
+        self.out_rate = out_rate # unfortunately not every device plays 16kHz audio streams
+        self.cv_laststate = None
+            
+        try:
+            self.p = p = pyaudio.PyAudio()
+            
+            self.stream = p.open(format=pyaudio.paInt16,
+                                 channels=1,
+                                 rate=out_rate,
+                                 output=True,
+                                 output_device_index=self.get_output_idx()
+                                 )
+        except Exception as e:
+            logger.critical(f"Player not instatiated: {e}")
+            if self.p:
+                self.p.terminate()
+                self.p = None
+            
+    def get_output_idx(self):
+        output_device_idx = None
+        devices_count = self.p.get_device_count()
+        for i in range(devices_count):
+            dev = self.p.get_device_info_by_index(i)
+#             print(dev)
+            if output_device_idx is None and dev['maxOutputChannels'] > 0:
+                output_device_idx = dev['index']
+                logger.info("Use device {0}: {1} {2}".format(dev['index'],dev['name'], dev['maxOutputChannels']))
+            logger.debug("{} {:0d} {}".format("* " if output_device_idx == i else "- ", i, dev['name']))
+        return output_device_idx
+    
+    def receive(self, chunk):
+        if not self.p:
+            return
+        
+#         logger.debug('receive {}'.format(len(chunk)))
+        if self.src_rate == self.out_rate:
+            data = chunk
+        else:
+            data, self.cv_laststate = audioop.ratecv(chunk, 2, 1, self.src_rate, self.out_rate, self.cv_laststate) 
+        self.stream.write(data)
+    
+    def shutdown(self):
+        if not self.p:
+            return
+        
+        self.stream.close()
+        self.p.terminate()

hugvey/voice/streamer.py

@@ -0,0 +1,49 @@
+"""
+Consume a given Hugvey audio socket, and stream into the given services to emit events to the given server
+"""
+import socket
+import logging
+
+logger = logging.getLogger("streamer")
+
+class AudioStreamer(object):
+    def __init__(self, chunk, address: str, port: int):
+        self.consumers = []
+        
+        self.chunk = chunk
+        self.address = address
+        self.port = port
+        
+        self.isRunning = False
+    
+    def addConsumer(self, consumer):
+        self.consumers.append(consumer)
+    
+    async def run(self):
+        self.isRunning = True
+        
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        logger.info("Attempt connection on {}:{}".format(self.address, self.port))
+        s.connect((self.address, self.port))
+    
+        while self.isRunning:
+            data = s.recv(self.chunk)
+#             logger.debug('chunk received')
+            self.process(data)
+    
+        logger.info("Close socket on {}:{}".format(self.address, self.port))
+        s.close()
+    
+    def stop(self):
+        self.isRunning = False
+        
+        for consumer in self.consumers:
+            consumer.shutdown()
+    
+    
+    def process(self, chunk):
+#         logger.debug("Received chunk")
+        for consumer in self.consumers:
+            consumer.receive(chunk)
+        
+    

hugvey_server.py

@@ -0,0 +1,36 @@
+import argparse
+import logging
+
+import coloredlogs
+
+from hugvey.central_command import CentralCommand
+
+
+if __name__ == '__main__':
+    argParser = argparse.ArgumentParser(
+        description='Start up a Hugvey Central Command. Ready to receive voices and other events, and eager to send commands')
+    argParser.add_argument(
+        '--config',
+        '-c',
+        required=True,
+        type=str,
+        help='The yaml config file to load'
+    )
+    argParser.add_argument(
+        '--verbose',
+        '-v',
+        action="store_true",
+    )
+
+    args = argParser.parse_args()
+#     print(coloredlogs.DEFAULT_LOG_FORMAT)
+#     exit()
+    coloredlogs.install(
+        level=logging.DEBUG if args.verbose else logging.INFO,
+#       default: "%(asctime)s %(hostname)s %(name)s[%(process)d] %(levelname)s %(message)s"
+        fmt="%(asctime)s %(hostname)s %(name)s[%(process)d,%(threadName)s] %(levelname)s %(message)s"
+    )
+
+    command = CentralCommand(debug_mode=args.verbose)
+    command.loadConfig(args.config)
+    command.start()

requirements.txt

@@ -1,3 +1,5 @@
 pyzmq
 pyaudio
 coloredlogs
+pyyaml
+audioop

server_config.yml

@@ -0,0 +1,9 @@
+events:
+    cmd_address: "tcp://0.0.0.0:5555"
+    listen_address: "tcp://0.0.0.0:5556"
+voice:
+    src_rate: 16000
+    out_rate: 44100
+    port: 4444
+    chunk: 2972
+hugveys: 3

test_sub.py

@@ -0,0 +1,58 @@
+import zmq
+import random
+import sys
+import time
+import asyncio
+import hugvey.communication
+
+def main():
+    if len(sys.argv) > 1:
+        port =  sys.argv[1]
+        int(port)
+
+    context = zmq.Context()
+    socket = context.socket(zmq.SUB)
+    socket.bind("tcp://*:5556")
+    for i in range(0, 25):
+        socket.setsockopt(zmq.SUBSCRIBE, "hv{}".format(i).encode())
+
+
+    while True:
+        # a = await hugvey.communication.zmqReceive(socket)
+        # print(a)
+        print('received')
+        r = socket.recv_multipart()
+        print(r)
+
+main()
+# loop = asyncio.get_event_loop()
+# loop.run_until_complete(main())
+#
+#
+# import sys
+# import zmq
+#
+# port = "5555"
+#
+# # Socket to talk to server
+# context = zmq.Context()
+# socket = context.socket(zmq.SUB)
+#
+# # print "Collecting updates from weather server..."
+# socket.bind ("tcp://*:%s" % port)
+#
+# # Subscribe to zipcode, default is NYC, 10001
+# # topicfilter = "10001"
+# for i in range(0, 25):
+#     socket.setsockopt(zmq.SUBSCRIBE, "hv{}".format(i).encode())
+#
+# # Process 5 updates
+# # total_value = 0
+# for update_nbr in range (5):
+#     string = socket.recv_multipart()
+#     print(string)
+#     # topic, messagedata = string.split()
+#     # total_value += int(messagedata)
+#     # print topic, messagedata
+#
+# # print "Average messagedata value for topic '%s' was %dF" % (topicfilter, total_value / update_nbr)