diff --git a/core.py.quasi.OK b/core.py.quasi.OK deleted file mode 100644 index a4f6d85..0000000 --- a/core.py.quasi.OK +++ /dev/null @@ -1,632 +0,0 @@ -import json -from bitstring import BitArray -import asyncio -import struct -import time -import os -import audioop -from collections import deque -from aiohttp import web -from vocoder_engine import VocoderEngine - -from openbridge_protocol import crea_pacchetto_ping, calcola_hmac -from dmr_utils3.ambe_utils import convert49BitTo72BitAMBE, convert72BitTo49BitAMBE - -# ==================================================================== -# CARICAMENTO CONFIGURAZIONI (JSON) E DATABASE DMR -# ==================================================================== -def carica_config(): - try: - with open("config.json", "r") as f: - return json.load(f) - except Exception as e: - print(f"[ERRORE CRITICO] File config.json non trovato ({e}).") - exit(1) - -CONFIG = carica_config() -HBLINK_IP = CONFIG.get("hblink_ip", "127.0.0.1") -HBLINK_PORT = CONFIG.get("hblink_port", 62047) -HBLINK_PASSWORD = CONFIG.get("hblink_password", "TestVOIP") -PEER_ID = CONFIG.get("peer_id", 22241) -SIP_PORT = CONFIG.get("sip_port", 55060) -RTP_PORT = CONFIG.get("rtp_port", 10000) -FREEPBX_IP = CONFIG.get("freepbx_ip", "127.0.0.1") -DASHBOARD_PORT = CONFIG.get("dashboard_port", 8081) - -DMR_DB = {} -def carica_database_dmr(): - global DMR_DB - - if os.path.exists("DMRIds.json"): - try: - with open("DMRIds.json", "r", encoding="utf-8") as f: - data = json.load(f) - if isinstance(data, dict) and "users" in data: - for entry in data["users"]: - uid = int(entry.get("id", 0)) - call = entry.get("callsign", "") - fname = entry.get("fname", "") - if uid and call: - DMR_DB[uid] = f"{call} - {fname}".strip(" -") - if DMR_DB: return - except Exception: pass - - for dat_file in ["DMRIds.dat", "DMRIDs.dat", "StripDMRIDs.dat"]: - if os.path.exists(dat_file): - try: - count = 0 - with open(dat_file, "r", encoding="utf-8", errors="ignore") as f: - for line in f: - line = line.strip() - if not line or line.startswith("#"): continue - - if ";" in line: parts = [p.strip() for p in line.split(";") if p.strip()] - elif "," in line: parts = [p.strip() for p in line.split(",") if p.strip()] - else: parts = line.split() - - if len(parts) >= 2: - try: - uid = int(parts[0]) - call = parts[1] - fname = parts[2] if len(parts) > 2 else "" - lname = parts[3] if len(parts) > 3 else "" - nome_completo = f"{fname} {lname}".strip() - DMR_DB[uid] = f"{call} - {nome_completo}" if nome_completo else call - count += 1 - except ValueError: continue - print(f"[Database] Caricati {count} nominativi da {dat_file}") - return - except Exception as e: - print(f"[Database] Errore lettura {dat_file}: {e}") - -carica_database_dmr() - -def get_nominativo(dmr_id): - try: - dmr_id = int(dmr_id) - return DMR_DB.get(dmr_id, str(dmr_id)) - except ValueError: - return str(dmr_id) - -def carica_rubrica(): - try: - with open("utenti.json", "r") as f: - return json.load(f) - except Exception: - return {} - -UTENTI_SIP_DMR = carica_rubrica() - -# ==================================================================== -# DASHBOARD MANAGER (Motore Dati) -# ==================================================================== -class DashboardManager: - def __init__(self): - self.storico = deque(maxlen=100) - self.chiamate_attive = {} - self.ws_clients = set() - - async def broadcast(self, messaggio_dict): - msg_str = json.dumps(messaggio_dict) - for ws in list(self.ws_clients): - try: await ws.send_str(msg_str) - except Exception: self.ws_clients.discard(ws) - - def inizia_chiamata(self, id_chiamata, direzione, mittente, destinatario): - nom_mittente = get_nominativo(mittente) - nom_dest = get_nominativo(destinatario) - - dati = { - "id": id_chiamata, - "direzione": direzione, - "mittente": nom_mittente, - "destinatario": nom_dest, - "inizio": time.time(), - "ultimo_frame": time.time(), - "stato": "ON" - } - self.chiamate_attive[id_chiamata] = dati - asyncio.create_task(self.broadcast({"evento": "chiamata_iniziata", "dati": dati})) - - def aggiorna_rx(self, id_chiamata): - if id_chiamata in self.chiamate_attive: - self.chiamate_attive[id_chiamata]["ultimo_frame"] = time.time() - - def termina_chiamata(self, id_chiamata): - if id_chiamata in self.chiamate_attive: - dati = self.chiamate_attive.pop(id_chiamata) - dati["fine"] = time.time() - dati["durata"] = round(dati["fine"] - dati["inizio"], 1) - dati["stato"] = "OFF" - self.storico.appendleft(dati) - asyncio.create_task(self.broadcast({"evento": "chiamata_terminata", "dati": dati})) - - async def watchdog_rx(self): - while True: - await asyncio.sleep(1.0) - try: - ora = time.time() - for id_chiamata, dati in list(self.chiamate_attive.items()): - if dati["direzione"] == "RX" and ora - dati.get("ultimo_frame", ora) > 1.5: - self.termina_chiamata(id_chiamata) - except Exception: - pass - -# ==================================================================== -# ENDPOINT WEB (aiohttp) -# ==================================================================== -dashboard_app = DashboardManager() -sip_manager = None - -async def api_storico(request): - estensioni_connesse = [] - if sip_manager: - for call_id, sess in sip_manager.sessioni.items(): - estensioni_connesse.append({ - "estensione": sess.chiamante, - "nome": get_nominativo(sess.dmr_id), - "tg": sess.tg_destinazione - }) - - dati = { - "attive": list(dashboard_app.chiamate_attive.values()), - "storico": list(dashboard_app.storico), - "estensioni": estensioni_connesse - } - return web.json_response(dati) - -async def ws_handler(request): - ws = web.WebSocketResponse(heartbeat=30.0) - await ws.prepare(request) - dashboard_app.ws_clients.add(ws) - try: - async for msg in ws: pass - finally: - dashboard_app.ws_clients.discard(ws) - return ws - -async def index_dashboard(request): - try: - with open("dashboard.html", "r", encoding="utf-8") as f: - return web.Response(text=f.read(), content_type="text/html") - except FileNotFoundError: - return web.Response(text="Errore: File dashboard.html non trovato nella cartella.", status=404) - -# ==================================================================== -# CLASSI SIP, RTP E OPENBRIDGE -# ==================================================================== -class SessioneSIP: - def __init__(self, call_id, chiamante, destinatario_tg, rtp_addr, sip_addr, full_from, full_to, ip_vps): - self.call_id = call_id - self.call_id_safe = "".join(c for c in str(call_id) if c.isalnum()) - self.chiamante = chiamante - self.tg_destinazione = str(destinatario_tg) - self.dmr_id = int(UTENTI_SIP_DMR.get(str(chiamante), 2223619)) - self.rtp_client_addr = rtp_addr - self.sip_client_addr = sip_addr - self.ip_vps = ip_vps - self.rtp_seq = 0 - self.rtp_timestamp = 0 - self.rtp_confermato = False - - self.dialog_to = full_from - self.dialog_from = full_to.split(';')[0] + ";tag=987654" - self.local_cseq = 10 - self.ptt_attivo = False - self.buffer_ambe = [] - self.seq_dmr = 0 - self.stream_id = os.urandom(4) - self.ultimo_src_id = None - - self.agc_rx = 1.0 - self.agc_tx = 1.0 - self.dtmf_buffer = "" - self.dtmf_task = None - self.ultimo_rtp_timestamp_dtmf = None - self.ultimo_tempo_rtp_dtmf = 0 - self.ultimo_evento_dtmf = None - -class OpenBridgeClient(asyncio.DatagramProtocol): - def __init__(self, manager): - self.transport = None - self.manager = manager - - def connection_made(self, transport): - self.transport = transport - asyncio.create_task(self.keepalive_loop()) - - def datagram_received(self, data, addr): - if len(data) < 53: return - if data.startswith(b"DMRD") and len(data) >= 73: - src_id = int.from_bytes(data[5:8], 'big') - tg_arrivo = str(int.from_bytes(data[8:11], 'big')) - sessioni_interessate = [s for s in self.manager.sessioni.values() if s.tg_destinazione == tg_arrivo] - if not sessioni_interessate: return - - payload_33 = data[20:53] - ambe1 = payload_33[0:9] - ambe2 = bytearray(9) - ambe2[0:4] = payload_33[9:13] - ambe2[4] = (payload_33[13] & 0xF0) | (payload_33[19] & 0x0F) - ambe2[5:9] = payload_33[20:24] - ambe3 = payload_33[24:33] - frame_uniti = ambe1 + bytes(ambe2) + ambe3 - self.manager.ricevi_frame_dmr_multi(frame_uniti, sessioni_interessate, src_id) - - async def keepalive_loop(self): - while True: - if self.transport: - pacchetto_ping = crea_pacchetto_ping(PEER_ID, HBLINK_PASSWORD) - self.transport.sendto(pacchetto_ping) - await asyncio.sleep(10) - - def apri_flusso_chiamata(self, sess): - if not self.transport: return - flags = 0 - payload_base = struct.pack("!3sB I 4s B I I", b"OPB", 0x80, PEER_ID, sess.stream_id, flags, sess.dmr_id, int(sess.tg_destinazione)) - firma_hmac = calcola_hmac(HBLINK_PASSWORD, payload_base) - self.transport.sendto(payload_base + firma_hmac) - - def invia_dmrd_voce(self, sess, payload_ambe): - if not self.transport: return - try: - magic = b"DMRD" - seq_byte = struct.pack("B", sess.seq_dmr) - src_bytes = sess.dmr_id.to_bytes(3, 'big') - dst_bytes = int(sess.tg_destinazione).to_bytes(3, 'big') - peer_bytes = PEER_ID.to_bytes(4, 'big') - flags_byte = struct.pack("B", 0x00) - - header = magic + seq_byte + src_bytes + dst_bytes + peer_bytes + flags_byte + sess.stream_id - payload_ambe = payload_ambe.ljust(27, b'\x00') - - ambe1 = payload_ambe[0:9] - ambe2 = payload_ambe[9:18] - ambe3 = payload_ambe[18:27] - - payload_33 = bytearray(33) - payload_33[0:9] = ambe1 - payload_33[9:13] = ambe2[0:4] - payload_33[13] = ambe2[4] & 0xF0 - payload_33[19] = ambe2[4] & 0x0F - payload_33[20:24] = ambe2[5:9] - payload_33[24:33] = ambe3 - - pacchetto_base = header + bytes(payload_33) - firma_hmac = calcola_hmac(HBLINK_PASSWORD, pacchetto_base) - self.transport.sendto(pacchetto_base + firma_hmac) - except Exception: pass - - def chiudi_flusso_chiamata(self, sess): - if not self.transport: return - magic = b"DMRD" - flags_byte = struct.pack("B", 0x02) - src_bytes = sess.dmr_id.to_bytes(3, 'big') - dst_bytes = int(sess.tg_destinazione).to_bytes(3, 'big') - peer_bytes = PEER_ID.to_bytes(4, 'big') - - for i in range(3): - seq_byte = struct.pack("B", (sess.seq_dmr + i) % 256) - header = magic + seq_byte + src_bytes + dst_bytes + peer_bytes + flags_byte + sess.stream_id - pacchetto_base = header + (b'\x00' * 33) - firma_hmac = calcola_hmac(HBLINK_PASSWORD, pacchetto_base) - self.transport.sendto(pacchetto_base + firma_hmac) - -class SessionManager: - def __init__(self): - self.vocoder = VocoderEngine(port_start=2470, port_end=2474) - self.openbridge = None - self.rtp_transport = None - self.sip_transport = None - self.sessioni = {} - - async def avvia(self): - await self.vocoder.avvia() - loop = asyncio.get_running_loop() - _, self.openbridge = await loop.create_datagram_endpoint( - lambda: OpenBridgeClient(self), - local_addr=('0.0.0.0', HBLINK_PORT), - remote_addr=(HBLINK_IP, HBLINK_PORT) - ) - print(f"[Core] PBX avviato su {SIP_PORT} | Dashboard su {DASHBOARD_PORT}") - asyncio.create_task(dashboard_app.watchdog_rx()) - - def trova_sessione_per_rtp(self, addr): - for sess in self.sessioni.values(): - if sess.rtp_confermato and sess.rtp_client_addr == addr: return sess - for sess in self.sessioni.values(): - if not sess.rtp_confermato and sess.rtp_client_addr == addr: - sess.rtp_confermato = True; return sess - non_confermate = [s for s in self.sessioni.values() if s.rtp_client_addr and s.rtp_client_addr[0] == addr[0] and not s.rtp_confermato] - if non_confermate: - sess = non_confermate[0] - sess.rtp_client_addr = addr - sess.rtp_confermato = True - return sess - return None - - def gestisci_nuova_chiamata(self, call_id, chiamante, destinatario, rtp_addr, sip_addr, full_from, full_to, ip_vps): - sess = SessioneSIP(call_id, chiamante, destinatario, rtp_addr, sip_addr, full_from, full_to, ip_vps) - self.sessioni[call_id] = sess - asyncio.create_task(dashboard_app.broadcast({"evento": "estensioni_update"})) - - def termina_chiamata(self, call_id): - if call_id in self.sessioni: - # 1. Pop immediato: la sessione viene sradicata all'istante bloccando nuovi pacchetti DMR - sess = self.sessioni.pop(call_id) - if sess.ptt_attivo: - self.gestisci_ptt(sess, False) - self.vocoder.rilascia_porta(f"SIP_{call_id}") - - # 2. Chiudiamo eventuali righe RX bloccate - for id_dash in list(dashboard_app.chiamate_attive.keys()): - if id_dash.startswith("RX_") and f"_{sess.chiamante}_{sess.call_id_safe}" in id_dash: - dashboard_app.termina_chiamata(id_dash) - - asyncio.create_task(dashboard_app.broadcast({"evento": "estensioni_update"})) - - def gestisci_ptt(self, sess, stato): - id_dash_tx = f"TX_{sess.chiamante}_{sess.call_id_safe}" - if stato is True and not sess.ptt_attivo: - sess.ptt_attivo = True - sess.buffer_ambe = [] - sess.seq_dmr = 0 - sess.stream_id = os.urandom(4) - if self.openbridge: self.openbridge.apri_flusso_chiamata(sess) - - nome_base = get_nominativo(sess.dmr_id) - mittente_display = f"{nome_base} (Est. {sess.chiamante})" - dashboard_app.inizia_chiamata(id_dash_tx, "TX", mittente_display, sess.tg_destinazione) - elif stato is False and sess.ptt_attivo: - sess.ptt_attivo = False - if self.openbridge: self.openbridge.chiudi_flusso_chiamata(sess) - dashboard_app.termina_chiamata(id_dash_tx) - - def gestisci_dtmf_digit(self, sess, digit): - if sess.ptt_attivo: return - sess.dtmf_buffer += str(digit) - if sess.dtmf_task: sess.dtmf_task.cancel() - sess.dtmf_task = asyncio.create_task(self.attendi_cambio_tg(sess)) - - async def attendi_cambio_tg(self, sess): - try: - await asyncio.sleep(2.5) - if sess.dtmf_buffer: - nuovo_tg = sess.dtmf_buffer - sess.dtmf_buffer = "" - sess.tg_destinazione = nuovo_tg - self.notifica_display(sess, f"TG: {nuovo_tg}") - asyncio.create_task(dashboard_app.broadcast({"evento": "estensioni_update"})) - except asyncio.CancelledError: pass - - def notifica_display(self, sess, testo_display): - if not self.sip_transport or not sess.sip_client_addr: return - sess.local_cseq += 1 - branch = f"z9hG4bK-{os.urandom(4).hex()}" - client_sip_ip, client_sip_port = sess.sip_client_addr - sdp = (f"v=0\r\no=- 12345 12345 IN IP4 {sess.ip_vps}\r\ns=Talk\r\n" - f"c=IN IP4 {sess.ip_vps}\r\nt=0 0\r\nm=audio {RTP_PORT} RTP/AVP 8 101\r\n" - f"a=rtpmap:8 PCMA/8000\r\na=rtpmap:101 telephone-event/8000\r\na=sendrecv\r\n") - sip_reinvite = ( - f"INVITE sip:{sess.chiamante}@{client_sip_ip}:{client_sip_port} SIP/2.0\r\n" - f"Via: SIP/2.0/UDP 127.0.0.1:{SIP_PORT};branch={branch}\r\n" - f"Max-Forwards: 70\r\nFrom: {sess.dialog_from}\r\nTo: {sess.dialog_to}\r\n" - f"Call-ID: {sess.call_id}\r\nCSeq: {sess.local_cseq} INVITE\r\n" - f"Contact: \r\n" - f"Remote-Party-ID: \"{testo_display}\" ;party=called;screen=yes;privacy=off\r\n" - f"P-Asserted-Identity: \"{testo_display}\" \r\n" - f"Content-Type: application/sdp\r\nContent-Length: {len(sdp)}\r\n\r\n{sdp}") - self.sip_transport.sendto(sip_reinvite.encode('utf-8'), sess.sip_client_addr) - - def ricevi_frame_dmr_multi(self, ambe_frames, sessioni_interessate, src_id): - ascoltatori = [s for s in sessioni_interessate if not s.ptt_attivo] - if not ascoltatori or not self.rtp_transport: return - - for sess in ascoltatori: - tg_arrivo = sess.tg_destinazione - id_dash_rx = f"RX_{src_id}_{sess.chiamante}_{sess.call_id_safe}" - - if id_dash_rx not in dashboard_app.chiamate_attive: - dest_display = f"{sess.chiamante} (TG {tg_arrivo})" - dashboard_app.inizia_chiamata(id_dash_rx, "RX", src_id, dest_display) - else: - dashboard_app.aggiorna_rx(id_dash_rx) - - if sess.ultimo_src_id != src_id: - sess.ultimo_src_id = src_id - self.notifica_display(sess, f"CID:{src_id}") - - asyncio.create_task(self.processa_audio_dmr(ambe_frames, ascoltatori)) - - async def processa_audio_dmr(self, ambe_27_bytes, ascoltatori): - if not ascoltatori: return - tg_arrivo = ascoltatori[0].tg_destinazione - try: - frames_pcm = [] - for i in range(0, len(ambe_27_bytes), 9): - frame_9 = ambe_27_bytes[i:i+9] - if len(frame_9) < 9: continue - try: - ambe_49_bits = convert72BitTo49BitAMBE(BitArray(bytes=frame_9)) - ba_49 = ambe_49_bits if isinstance(ambe_49_bits, BitArray) else BitArray(ambe_49_bits) - if len(ba_49) < 56: ba_49.append(BitArray(uint=0, length=56 - len(ba_49))) - frame_7 = ba_49.bytes[:7] - except Exception: continue - - pcm_data = await self.vocoder.converti_ambe_in_pcm(f"TG_{tg_arrivo}", frame_7) - if pcm_data and len(pcm_data) >= 2: - if len(pcm_data) % 2 != 0: pcm_data = pcm_data[:-1] - livello_rms = audioop.rms(pcm_data, 2) - picco_max = audioop.max(pcm_data, 2) - if livello_rms > 50: - target_mult = 4000.0 / livello_rms - if target_mult > 2.0: target_mult = 2.0 - elif target_mult < 0.3: target_mult = 0.3 - for sess in ascoltatori: - if target_mult < sess.agc_rx: sess.agc_rx = (sess.agc_rx * 0.90) + (target_mult * 0.10) - else: sess.agc_rx = (sess.agc_rx * 0.99) + (target_mult * 0.01) - moltiplicatore = ascoltatori[0].agc_rx - if picco_max > 0 and (picco_max * moltiplicatore) > 30000: - moltiplicatore_sicuro = 30000 / picco_max - for sess in ascoltatori: sess.agc_rx = (sess.agc_rx * 0.70) + (moltiplicatore_sicuro * 0.30) - moltiplicatore = sess.agc_rx - pcm_data = audioop.mul(pcm_data, 2, moltiplicatore) - pcma_data = audioop.lin2alaw(pcm_data, 2) - frames_pcm.append(pcma_data) - - for pcma_data in frames_pcm: - for sess in ascoltatori: - header = bytearray(12) - header[0] = 0x80; header[1] = 0x08 - header[2:4] = struct.pack("!H", sess.rtp_seq) - header[4:8] = struct.pack("!I", sess.rtp_timestamp) - header[8:12] = struct.pack("!I", 0x12345678) - if sess.rtp_client_addr: self.rtp_transport.sendto(header + pcma_data, sess.rtp_client_addr) - sess.rtp_seq = (sess.rtp_seq + 1) % 65536 - sess.rtp_timestamp = (sess.rtp_timestamp + 160) % 4294967296 - except Exception: pass - - async def processa_audio_rtp(self, sess, rtp_payload): - if not sess.ptt_attivo: return - try: - pcm_lineare = audioop.alaw2lin(rtp_payload, 2) - livello_rms = audioop.rms(pcm_lineare, 2) - if livello_rms > 50: - target_mult = 4000.0 / livello_rms - if target_mult > 2.5: target_mult = 2.5 - elif target_mult < 0.5: target_mult = 0.5 - sess.agc_tx = (sess.agc_tx * 0.90) + (target_mult * 0.10) - pcm_lineare = audioop.mul(pcm_lineare, 2, sess.agc_tx) - - rtp_payload = audioop.lin2alaw(pcm_lineare, 2) - ambe_bytes = await asyncio.wait_for(self.vocoder.converti_rtp_in_ambe(f"SIP_{sess.call_id}", rtp_payload), timeout=0.1) - if not ambe_bytes: return - - dim_frame = 7 if len(ambe_bytes) % 7 == 0 else 9 - for i in range(0, len(ambe_bytes), dim_frame): - frame = ambe_bytes[i:i+dim_frame] - if len(frame) == 7: - stringa_bit = BitArray(bytes=frame).bin - ambe_49_bits = [int(b) for b in stringa_bit[:49]] - sess.buffer_ambe.append(bytes(convert49BitTo72BitAMBE(ambe_49_bits))) - elif len(frame) == 9: - sess.buffer_ambe.append(frame) - - while len(sess.buffer_ambe) >= 3: - payload_vocale = b''.join(sess.buffer_ambe[:3]) - sess.buffer_ambe = sess.buffer_ambe[3:] - self.openbridge.invia_dmrd_voce(sess, payload_vocale) - sess.seq_dmr = (sess.seq_dmr + 1) % 256 - except Exception: pass - -class RtpProtocol(asyncio.DatagramProtocol): - def __init__(self, manager): self.manager = manager - def connection_made(self, transport): self.manager.rtp_transport = transport - def datagram_received(self, data, addr): - sess = self.manager.trova_sessione_per_rtp(addr) - if not sess or len(data) < 12: return - payload_type = data[1] & 0x7F - if payload_type == 8: asyncio.create_task(self.manager.processa_audio_rtp(sess, data[12:])) - elif payload_type == 101: - ora = time.time() - rtp_timestamp = struct.unpack("!I", data[4:8])[0] - evento_dtmf = data[12] - if rtp_timestamp == sess.ultimo_rtp_timestamp_dtmf or (ora - sess.ultimo_tempo_rtp_dtmf < 0.20 and sess.ultimo_evento_dtmf == evento_dtmf): return - sess.ultimo_rtp_timestamp_dtmf = rtp_timestamp - sess.ultimo_tempo_rtp_dtmf = ora - sess.ultimo_evento_dtmf = evento_dtmf - if evento_dtmf == 10: self.manager.gestisci_ptt(sess, True) - elif evento_dtmf == 11: self.manager.gestisci_ptt(sess, False) - elif 0 <= evento_dtmf <= 9: self.manager.gestisci_dtmf_digit(sess, evento_dtmf) - -class SipProtocol(asyncio.DatagramProtocol): - def __init__(self, manager): self.manager = manager - def connection_made(self, transport): self.manager.sip_transport = transport - def datagram_received(self, data, addr): - if addr[0] != FREEPBX_IP and FREEPBX_IP != "0.0.0.0": return - msg = data.decode('utf-8', errors='ignore').lstrip() - lines = msg.splitlines() - headers = {line.split(":", 1)[0].strip().upper(): line.split(":", 1)[1].strip() for line in lines[1:] if ":" in line} - call_id = headers.get('CALL-ID', '') - - if msg.startswith("OPTIONS"): - resp = (f"SIP/2.0 200 OK\r\nVia: {headers.get('VIA', '')}\r\nFrom: {headers.get('FROM', '')}\r\nTo: {headers.get('TO', '')}\r\n" - f"Call-ID: {call_id}\r\nCSeq: {headers.get('CSEQ', '')}\r\nContact: \r\nContent-Length: 0\r\n\r\n") - self.manager.sip_transport.sendto(resp.encode('utf-8'), addr) - elif msg.startswith("INVITE"): - client_rtp_port = 4000 - for line in lines: - if line.strip().startswith("m=audio "): client_rtp_port = int(line.strip().split()[1]) - ip_vps = headers.get("TO", "").split("@")[1].split(">")[0] if "@" in headers.get("TO", "") else "127.0.0.1" - chiamante = headers.get("FROM", "").split("sip:")[1].split("@")[0] - destinatario = headers.get("TO", "").split("sip:")[1].split("@")[0] - self.manager.gestisci_nuova_chiamata(call_id, chiamante, destinatario, (addr[0], client_rtp_port), addr, headers.get('FROM', ''), headers.get('TO', ''), ip_vps) - sdp = (f"v=0\r\no=- 12345 12345 IN IP4 {ip_vps}\r\ns=Talk\r\n" - f"c=IN IP4 {ip_vps}\r\nt=0 0\r\nm=audio {RTP_PORT} RTP/AVP 8 101\r\n" - f"a=rtpmap:8 PCMA/8000\r\na=rtpmap:101 telephone-event/8000\r\na=sendrecv\r\n") - resp = (f"SIP/2.0 200 OK\r\nVia: {headers.get('VIA', '')}\r\nFrom: {headers.get('FROM', '')}\r\nTo: {headers.get('TO', '')};tag=987654\r\n" - f"Call-ID: {call_id}\r\nCSeq: {headers.get('CSEQ', '')}\r\nContact: \r\n" - f"Content-Type: application/sdp\r\nContent-Length: {len(sdp)}\r\n\r\n{sdp}") - self.manager.sip_transport.sendto(resp.encode('utf-8'), addr) - elif msg.startswith("INFO"): - resp = (f"SIP/2.0 200 OK\r\nVia: {headers.get('VIA', '')}\r\nFrom: {headers.get('FROM', '')}\r\nTo: {headers.get('TO', '')}\r\n" - f"Call-ID: {call_id}\r\nCSeq: {headers.get('CSEQ', '')}\r\nContent-Length: 0\r\n\r\n") - self.manager.sip_transport.sendto(resp.encode('utf-8'), addr) - sess = self.manager.sessioni.get(call_id) - if sess: - for line in lines: - if line.upper().startswith("SIGNAL="): - signal = line.split("=")[1].strip() - evento = 10 if signal == "*" else 11 if signal == "#" else int(signal) if signal.isdigit() else None - if evento == 10: self.manager.gestisci_ptt(sess, True) - elif evento == 11: self.manager.gestisci_ptt(sess, False) - elif evento is not None and 0 <= evento <= 9: self.manager.gestisci_dtmf_digit(sess, evento) - elif msg.startswith("SIP/2.0 200 OK") and "INVITE" in headers.get('CSEQ', ''): - ack_uri = headers["CONTACT"].split("<")[1].split(">")[0] if "CONTACT" in headers and "<" in headers["CONTACT"] else f"sip:{addr[0]}:{addr[1]}" - ack = (f"ACK {ack_uri} SIP/2.0\r\nVia: SIP/2.0/UDP 127.0.0.1:{SIP_PORT};branch=z9hG4bK-{os.urandom(4).hex()}\r\n" - f"Max-Forwards: 70\r\nFrom: {headers.get('FROM', '')}\r\nTo: {headers.get('TO', '')}\r\n" - f"Call-ID: {call_id}\r\nCSeq: {headers.get('CSEQ', '').split()[0]} ACK\r\nContent-Length: 0\r\n\r\n") - self.manager.sip_transport.sendto(ack.encode('utf-8'), addr) - elif msg.startswith("BYE") or msg.startswith("CANCEL"): - if call_id in self.manager.sessioni: - self.manager.termina_chiamata(call_id) - else: - # FALLBACK LETALE: Se il PBX altera il Call-ID, forza la chiusura usando l'estensione - for hdr in ["FROM", "TO"]: - val = headers.get(hdr, "") - if "sip:" in val: - ext = val.split("sip:")[1].split("@")[0] - for cid, s in list(self.manager.sessioni.items()): - if s.chiamante == ext: - self.manager.termina_chiamata(cid) - - resp = (f"SIP/2.0 200 OK\r\nVia: {headers.get('VIA', '')}\r\nFrom: {headers.get('FROM', '')}\r\nTo: {headers.get('TO', '')}\r\n" - f"Call-ID: {call_id}\r\nCSeq: {headers.get('CSEQ', '')}\r\nContent-Length: 0\r\n\r\n") - self.manager.sip_transport.sendto(resp.encode('utf-8'), addr) - -async def main(): - global sip_manager - loop = asyncio.get_running_loop() - - # Motore SIP/RTP - manager = SessionManager() - sip_manager = manager - await manager.avvia() - await loop.create_datagram_endpoint(lambda: SipProtocol(manager), local_addr=('0.0.0.0', SIP_PORT)) - await loop.create_datagram_endpoint(lambda: RtpProtocol(manager), local_addr=('0.0.0.0', RTP_PORT)) - - # Motore Web API Dashboard - app = web.Application() - app.router.add_get("/", index_dashboard) - app.router.add_get("/api/storico", api_storico) - app.router.add_get("/ws", ws_handler) - runner = web.AppRunner(app) - await runner.setup() - site = web.TCPSite(runner, '0.0.0.0', DASHBOARD_PORT) - await site.start() - - try: await asyncio.Event().wait() - except KeyboardInterrupt: pass - -if __name__ == "__main__": - asyncio.run(main())