Gabby Pelton
710 lines
25 KiB
Python
710 lines
25 KiB
Python
#!/usr/bin/env python3
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import json
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import os
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import sys
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import time
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import threading
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import signal
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import argparse
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import subprocess
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import RNS
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import LXMF
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from PIL import Image, ImageDraw, ImageFont
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from LXST.Primitives.Telephony import Telephone
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from whisplay_interface import WhisplayInterface
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class Terminal:
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if not RNS.vendor.platformutils.is_windows():
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UNDERLINE = "\033[4m"
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BOLD = "\033[1m"
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END = "\033[0m"
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else:
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UNDERLINE = ""
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BOLD = ""
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END = ""
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class ChannelClient:
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STATE_IDLE = 0
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STATE_DISCOVERING = 1
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STATE_READY = 2
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STATE_CALLING = 3
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STATE_IN_CALL = 4
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def __init__(self, configdir=None, rnsconfigdir=None, whitelist_path=None,
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verbosity=0, announce_interval=0, use_whisplay=False):
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self.state = self.STATE_IDLE
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self.channels = []
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self.telephone = None
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self.should_run = False
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self.announce_interval = announce_interval
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self._responses = []
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self._response_event = threading.Event()
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# ── Whisplay HAT init ──
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self.selected_index = 0
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self._wm8960_device = None
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self._ptt_enabled = True
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self._ptt_active = False
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self.whisplay_interface = None
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self._gesture_thread = None
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if use_whisplay:
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self._init_whisplay()
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if configdir is None:
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if os.path.isdir("/etc/lxst-client"):
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self.configdir = "/etc/lxst-client"
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else:
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userdir = RNS.Reticulum.userdir
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self.configdir = os.path.join(userdir, ".lxst-client")
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else:
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self.configdir = configdir
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os.makedirs(self.configdir, exist_ok=True)
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self.whitelist_path = whitelist_path
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if self.whitelist_path is None:
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candidates = [
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os.path.join(os.getcwd(), "bridge_whitelist.json"),
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os.path.join(self.configdir, "bridge_whitelist.json"),
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]
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for p in candidates:
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if os.path.isfile(p):
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self.whitelist_path = p
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break
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if self.whitelist_path is None:
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self.whitelist_path = candidates[0]
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identity_path = os.path.join(self.configdir, "identity")
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if os.path.isfile(identity_path):
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self.identity = RNS.Identity.from_file(identity_path)
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if self.identity is None:
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self.identity = RNS.Identity()
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self.identity.to_file(identity_path)
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else:
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RNS.log("No identity found, generating new", RNS.LOG_NOTICE)
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self.identity = RNS.Identity()
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self.identity.to_file(identity_path)
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RNS.log(
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f"Generated identity: {RNS.prettyhexrep(self.identity.hash)}",
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RNS.LOG_NOTICE,
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)
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self.reticulum = RNS.Reticulum(
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configdir=rnsconfigdir, loglevel=3 + verbosity
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)
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self.lxmf_storage = os.path.join(self.configdir, "lxmf")
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os.makedirs(self.lxmf_storage, exist_ok=True)
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self.lxmf_router = LXMF.LXMRouter(
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identity=self.identity,
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storagepath=self.lxmf_storage,
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)
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self.client_destination = self.lxmf_router.register_delivery_identity(
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self.identity,
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display_name="LXST Channel Client",
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)
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self.lxmf_router.register_delivery_callback(self._delivery_callback)
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self.client_destination.announce()
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if self.announce_interval > 0:
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threading.Thread(target=self._announce_loop, daemon=True).start()
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# ── Whisplay HAT GUI ─────────────────────────────────────────────
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def _init_whisplay(self):
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self.whisplay_interface = WhisplayInterface()
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self.whisplay_interface.create_board(
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app_id="lxst-client",
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display_name="LXST Client",
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icon="LC",
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use_daemon_default_log=True,
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)
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self.whisplay_interface.board.set_backlight(70)
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# self.whisplay_interface.board.on_exit_request(self._on_exit_request)
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# self.whisplay_interface.board.on_focus_revoked(self._on_focus_revoked)
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self._load_fonts()
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self._setup_whisplay_audio()
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def _find_wm8960_card(self):
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try:
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with open("/proc/asound/cards") as f:
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for line in f:
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if "wm8960" in line.lower():
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return line.split()[0]
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except Exception:
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return None
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return None
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def _setup_whisplay_audio(self):
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card = self._find_wm8960_card()
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if card is None:
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RNS.log("Whisplay WM8960 sound card not found", RNS.LOG_WARNING)
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return
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mixer_cmds = [
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["amixer", "-c", card, "sset", "Left Output Mixer PCM", "on"],
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["amixer", "-c", card, "sset", "Right Output Mixer PCM", "on"],
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["amixer", "-c", card, "sset", "Speaker", "121"],
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["amixer", "-c", card, "sset", "Playback", "230"],
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]
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for cmd in mixer_cmds:
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try:
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subprocess.run(cmd, check=False, capture_output=True, text=True)
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except Exception:
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pass
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self._wm8960_device = f"plughw:{card},0"
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RNS.log(f"Whisplay audio: WM8960 card {card} ready", RNS.LOG_DEBUG)
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def _load_fonts(self):
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def load(size, bold=False):
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cand = []
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if bold:
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cand.extend([
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"/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf",
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"/usr/share/fonts/truetype/freefont/FreeSansBold.ttf",
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])
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cand.extend([
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"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
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"/usr/share/fonts/truetype/freefont/FreeSans.ttf",
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])
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for c in cand:
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if os.path.exists(c):
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try:
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return ImageFont.truetype(c, size)
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except Exception:
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continue
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return ImageFont.load_default()
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self._title_font = load(20, True)
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self._body_font = load(16)
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self._small_font = load(12)
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def _rgb565(self, image):
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rgb = image.convert("RGB")
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out = bytearray()
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for y in range(rgb.height):
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for x in range(rgb.width):
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r, g, b = rgb.getpixel((x, y))
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v = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)
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out.append((v >> 8) & 0xFF)
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out.append(v & 0xFF)
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return bytes(out)
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def _wrap(self, draw, text, font, max_w):
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if not text:
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return [""]
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words = text.split()
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if not words:
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return [text]
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lines, cur = [], words[0]
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for w in words[1:]:
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test = f"{cur} {w}"
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bb = draw.textbbox((0, 0), test, font=font)
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if (bb[2] - bb[0]) <= max_w:
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cur = test
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else:
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lines.append(cur)
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cur = w
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lines.append(cur)
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return lines
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def _render(self, title, body_lines, accent=(60, 150, 255), footer=""):
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w, h = self.whisplay_interface.board.LCD_WIDTH, self.whisplay_interface.board.LCD_HEIGHT
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img = Image.new("RGB", (w, h), (11, 16, 24))
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draw = ImageDraw.Draw(img)
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draw.rounded_rectangle((12, 16, w - 12, h - 16), radius=18,
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fill=(20, 28, 40), outline=(40, 55, 72), width=2)
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draw.rounded_rectangle((20, 22, w - 20, 54), radius=12, fill=accent)
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draw.text((28, 30), title, fill=(255, 255, 255), font=self._title_font)
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y = 70
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max_w = w - 56
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for line in body_lines:
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if y >= h - 50:
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break
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if not line:
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y += 8
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continue
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is_sel = False
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txt = line
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if isinstance(line, tuple):
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txt, is_sel = line
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wrapped = self._wrap(draw, txt, self._body_font, max_w)
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for wl in wrapped:
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if is_sel:
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bb = draw.textbbox((0, 0), wl, font=self._body_font)
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lw = bb[2] - bb[0]
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draw.rounded_rectangle((22, y - 2, 22 + lw + 12, y + 20),
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radius=6, fill=(accent[0] // 3, accent[1] // 3, accent[2] // 3))
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draw.text((28, y), wl, fill=(255, 255, 255), font=self._body_font)
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else:
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draw.text((28, y), wl, fill=(180, 195, 210), font=self._body_font)
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y += 22
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if footer:
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draw.rounded_rectangle((20, h - 38, w - 20, h - 22), radius=10, fill=(28, 37, 50))
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draw.text((28, h - 34), footer, fill=(140, 195, 255), font=self._small_font)
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return self._rgb565(img)
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def _flash_screen(self):
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if self.whisplay_interface.board is None:
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return
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fb = self._render("LXST Client", ["Channels loading..."], footer="Please wait")
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self.whisplay_interface.board.draw_image(0, 0, self.whisplay_interface.board.LCD_WIDTH, self.whisplay_interface.board.LCD_HEIGHT, fb)
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def _show_channels(self):
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if self.whisplay_interface.board is None:
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return
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if not self.channels:
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fb = self._render("LXST Client", ["No channels", "", "Re-discover to find channels"],
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accent=(200, 100, 60), footer="No channels")
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else:
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lines = []
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for i, ch in enumerate(self.channels):
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lines.append((f"{i+1}: {ch['hash'][:16]}..", i == self.selected_index))
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fb = self._render(f"Channels ({len(self.channels)})", lines,
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footer="Short: next | Long: select")
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self.whisplay_interface.board.draw_image(0, 0, self.whisplay_interface.board.LCD_WIDTH, self.whisplay_interface.board.LCD_HEIGHT, fb)
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def _show_in_call(self):
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if self.whisplay_interface.board is None:
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return
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ch = self.channels[self.selected_index] if self.channels else None
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lines = [f"Channel {self.selected_index + 1}"]
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if ch:
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lines.append(ch["hash"][:16] + "..")
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if self._ptt_enabled:
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lines += ["", "PTT: hold to talk", "Short: always-on"]
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footer = "Dbl: leave"
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else:
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lines += ["", "Always-on (unmuted)"]
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footer = "Short: PTT Dbl: leave"
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fb = self._render("In Call", lines, accent=(60, 220, 120), footer=footer)
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self.whisplay_interface.board.draw_image(0, 0, self.whisplay_interface.board.LCD_WIDTH, self.whisplay_interface.board.LCD_HEIGHT, fb)
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def _show_status(self, title, detail="", accent=(255, 180, 60)):
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if self.whisplay_interface.board is None:
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return
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lines = [detail] if detail else []
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fb = self._render(title, lines, accent=accent)
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self.whisplay_interface.board.draw_image(0, 0, self.whisplay_interface.board.LCD_WIDTH, self.whisplay_interface.board.LCD_HEIGHT, fb)
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def _gesture_loop(self):
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while self.should_run:
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self.whisplay_interface.update_gestures()
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# Double-press (highest priority)
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if self.whisplay_interface.was_double_pressed and self.state == self.STATE_IN_CALL:
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self.telephone.hangup()
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time.sleep(0.02)
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continue
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# STATE_READY: release actions
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if self.state == self.STATE_READY and self.whisplay_interface.was_pressed:
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if self.whisplay_interface.was_long_pressed and self.channels:
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self.whisplay_interface.board.set_rgb(255, 180, 0)
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self.call_channel(self.selected_index)
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elif self.channels:
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self.selected_index = (self.selected_index + 1) % len(self.channels)
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self._show_channels()
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# STATE_IN_CALL: hold-to-talk + release actions
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if self.state == self.STATE_IN_CALL:
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if self.whisplay_interface.is_pressed and self._ptt_enabled and not self._ptt_active:
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self._ptt_active = True
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self.telephone.unmute_transmit()
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if self.whisplay_interface.board:
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self.whisplay_interface.board.set_rgb(255, 255, 0)
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if self.whisplay_interface.was_pressed:
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if self._ptt_enabled:
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if not self.whisplay_interface.was_long_pressed:
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self._ptt_active = False
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self._ptt_enabled = False
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if self.whisplay_interface.board:
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self._show_in_call()
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else:
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self._ptt_active = False
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self.telephone.mute_transmit()
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if self.whisplay_interface.board:
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self.whisplay_interface.board.set_rgb(0, 255, 80)
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elif not self.whisplay_interface.was_long_pressed:
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self._ptt_enabled = True
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self.telephone.mute_transmit()
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if self.whisplay_interface.board:
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self._show_in_call()
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time.sleep(0.02)
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def _on_exit_request(self, payload=None):
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self.cleanup()
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if self.whisplay_interface.board:
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self.whisplay_interface.board.prepare_exit()
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def _on_focus_revoked(self, payload=None):
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self.cleanup()
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def _announce_loop(self):
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while self.should_run:
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time.sleep(self.announce_interval)
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self.client_destination.announce()
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def _delivery_callback(self, message):
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content = message.content_as_string().strip()
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sender_hex = RNS.hexrep(message.source_hash, delimit=False)
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try:
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data = json.loads(content)
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if isinstance(data, list):
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for h in data:
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if isinstance(h, str) and len(h) in (32, 64):
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self._responses.append({
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"hash": h,
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"relay": sender_hex,
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})
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except (json.JSONDecodeError, ValueError):
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pass
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self._response_event.set()
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def _discover_from_relay(self, address):
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try:
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addr_bytes = bytes.fromhex(address)
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identity = RNS.Identity.recall(addr_bytes)
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if identity is None:
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RNS.Transport.request_path(addr_bytes)
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for _ in range(50):
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identity = RNS.Identity.recall(addr_bytes)
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if identity is not None:
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break
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time.sleep(0.1)
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if identity is None:
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print(f" Could not discover relay {address[:16]}...")
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return
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dest = RNS.Destination(
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identity,
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RNS.Destination.OUT,
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RNS.Destination.SINGLE,
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"lxmf",
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"delivery",
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)
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msg = LXMF.LXMessage(
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dest,
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self.client_destination,
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"/channels_json",
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desired_method=LXMF.LXMessage.DIRECT,
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)
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self.lxmf_router.handle_outbound(msg)
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except Exception as e:
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RNS.log(f"Error sending to {address[:16]}...: {e}", RNS.LOG_ERROR)
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def discover(self, timeout=30):
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if not os.path.isfile(self.whitelist_path):
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print(f"bridge_whitelist.json not found at {self.whitelist_path}")
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return []
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with open(self.whitelist_path) as f:
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whitelist = json.load(f)
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if not isinstance(whitelist, list):
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print("bridge_whitelist.json must contain a list of LXMF addresses")
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return []
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self.state = self.STATE_DISCOVERING
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self._responses = []
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self._response_event.clear()
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print(f"\nQuerying {len(whitelist)} relay(s) for channels...", flush=True)
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for addr in whitelist:
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self._discover_from_relay(addr)
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deadline = time.time() + timeout
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while time.time() < deadline:
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remaining = deadline - time.time()
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self._response_event.wait(timeout=min(remaining, 1))
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if self._responses:
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break
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seen = set()
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deduped = []
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for r in self._responses:
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if r["hash"] not in seen:
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seen.add(r["hash"])
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deduped.append(r)
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self.channels = deduped
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print(
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f" Got {len(self.channels)} unique channel(s) "
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f"from {len(self._responses)} response(s)"
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)
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self.state = self.STATE_READY
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return self.channels
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def _init_telephone(self):
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if self.telephone is None:
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self.telephone = Telephone(self.identity)
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if self._wm8960_device:
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self.telephone.set_speaker(self._wm8960_device)
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self.telephone.set_microphone(self._wm8960_device)
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self.telephone.set_ringer(self._wm8960_device)
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self.telephone.set_established_callback(self._on_call_established)
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self.telephone.set_ended_callback(self._on_call_ended)
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self.telephone.announce()
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def _on_call_established(self, remote_identity):
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self.state = self.STATE_IN_CALL
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print(
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f"\nCall established with "
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f"{RNS.prettyhexrep(remote_identity.hash)}"
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)
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if self._ptt_enabled:
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self.telephone.mute_transmit()
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if self.whisplay_interface.board:
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self.whisplay_interface.board.set_rgb(0, 255, 80)
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self._show_in_call()
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def _on_call_ended(self, remote_identity):
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was_in_call = self.state == self.STATE_IN_CALL
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was_calling = self.state == self.STATE_CALLING
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self.state = self.STATE_READY
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self._ptt_active = False
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if was_in_call:
|
|
print(f"\nCall ended")
|
|
elif was_calling:
|
|
print(f"\nCall could not be connected")
|
|
if self.whisplay_interface.board:
|
|
self.whisplay_interface.board.set_rgb(0, 80, 255)
|
|
if was_in_call:
|
|
self._show_status("Call Ended")
|
|
time.sleep(1)
|
|
self._show_channels()
|
|
|
|
def call_channel(self, index):
|
|
if index < 0 or index >= len(self.channels):
|
|
print("Invalid channel index")
|
|
return
|
|
|
|
channel = self.channels[index]
|
|
dest_hash_hex = channel["hash"]
|
|
dest_hash = bytes.fromhex(dest_hash_hex)
|
|
|
|
print(
|
|
f"\nConnecting to channel {index + 1}: "
|
|
f"{dest_hash_hex[:16]}..."
|
|
)
|
|
|
|
if not RNS.Transport.has_path(dest_hash):
|
|
RNS.Transport.request_path(dest_hash)
|
|
print(" Requesting path...", end="", flush=True)
|
|
for _ in range(100):
|
|
if RNS.Transport.has_path(dest_hash):
|
|
break
|
|
time.sleep(0.1)
|
|
print()
|
|
|
|
if not RNS.Transport.has_path(dest_hash):
|
|
print(" Could not find path to channel")
|
|
return
|
|
|
|
hops = RNS.Transport.hops_to(dest_hash)
|
|
print(f" Path found ({hops} hop{'s' if hops != 1 else ''})")
|
|
|
|
identity = RNS.Identity.recall(dest_hash)
|
|
if identity is None:
|
|
print(" Could not discover channel identity")
|
|
return
|
|
|
|
self._init_telephone()
|
|
self.state = self.STATE_CALLING
|
|
self.telephone.call(identity)
|
|
|
|
def show_channels(self):
|
|
if not self.channels:
|
|
print("No channels discovered. Run 'discover' first.")
|
|
return
|
|
|
|
print(
|
|
f"\n{Terminal.BOLD}"
|
|
f"Available channels ({len(self.channels)}):"
|
|
f"{Terminal.END}"
|
|
)
|
|
print(f" {'#':<4} {'Destination Hash':<48} {'Relay':<16}")
|
|
print(f" {'-'*4} {'-'*48} {'-'*16}")
|
|
for i, ch in enumerate(self.channels):
|
|
relay_short = (
|
|
ch["relay"][:14] + ".."
|
|
if len(ch["relay"]) > 16
|
|
else ch["relay"]
|
|
)
|
|
print(f" {i + 1:<4} {ch['hash']:<48} {relay_short}")
|
|
|
|
def show_help(self):
|
|
print("")
|
|
print(f"{Terminal.BOLD}Commands:{Terminal.END}")
|
|
print(f" <number> Call the channel at that number")
|
|
print(f" d Discover channels (query relays)")
|
|
print(f" l List channels")
|
|
print(f" h / ? Show this help")
|
|
print(f" q Quit")
|
|
|
|
def run(self):
|
|
signal.signal(signal.SIGINT, self._sigint_handler)
|
|
signal.signal(signal.SIGTERM, self._sigterm_handler)
|
|
self.should_run = True
|
|
|
|
if self.whisplay_interface.board:
|
|
self._run_gui()
|
|
else:
|
|
self._run_cli()
|
|
|
|
def _run_gui(self):
|
|
self._flash_screen()
|
|
self.discover(timeout=15)
|
|
self.selected_index = 0
|
|
self.whisplay_interface.board.set_rgb(0, 80, 255)
|
|
self._show_channels()
|
|
self._gesture_thread = threading.Thread(target=self._gesture_loop, daemon=True)
|
|
self._gesture_thread.start()
|
|
while self.should_run:
|
|
if self.state == self.STATE_CALLING:
|
|
self._show_status("Calling...", f"Channel {self.selected_index + 1}",
|
|
accent=(255, 180, 0))
|
|
time.sleep(0.5)
|
|
continue
|
|
time.sleep(0.1)
|
|
|
|
def _run_cli(self):
|
|
print(
|
|
f"\n{Terminal.BOLD}"
|
|
f"LXST Channel Client"
|
|
f"{Terminal.END}"
|
|
)
|
|
print(f" Identity: {RNS.prettyhexrep(self.identity.hash)}")
|
|
print(f" Whitelist: {self.whitelist_path}")
|
|
print()
|
|
|
|
self.discover(timeout=15)
|
|
self.show_channels()
|
|
self.show_help()
|
|
|
|
while self.should_run:
|
|
if self.state == self.STATE_IN_CALL:
|
|
try:
|
|
input(" In call, press Enter to hang up > ")
|
|
self.telephone.hangup()
|
|
self.state = self.STATE_READY
|
|
except (EOFError, KeyboardInterrupt):
|
|
break
|
|
continue
|
|
|
|
if self.state == self.STATE_CALLING:
|
|
time.sleep(0.5)
|
|
continue
|
|
|
|
if self.state == self.STATE_DISCOVERING:
|
|
time.sleep(0.5)
|
|
continue
|
|
|
|
try:
|
|
inp = input("> ").strip().lower()
|
|
except (EOFError, KeyboardInterrupt):
|
|
print()
|
|
break
|
|
|
|
if not inp:
|
|
continue
|
|
|
|
if inp == "q":
|
|
break
|
|
elif inp in ("h", "?"):
|
|
self.show_help()
|
|
elif inp == "d":
|
|
self.discover()
|
|
self.show_channels()
|
|
elif inp == "l":
|
|
self.show_channels()
|
|
else:
|
|
try:
|
|
idx = int(inp) - 1
|
|
if 0 <= idx < len(self.channels):
|
|
self.call_channel(idx)
|
|
else:
|
|
print(
|
|
f"Invalid index. "
|
|
f"Enter a number between 1 and {len(self.channels)}"
|
|
)
|
|
except ValueError:
|
|
print(f"Unknown command: {inp}. Type 'h' for help.")
|
|
|
|
def cleanup(self):
|
|
if self.telephone and self.state == self.STATE_IN_CALL:
|
|
self.telephone.hangup()
|
|
self.should_run = False
|
|
if self._gesture_thread:
|
|
self._gesture_thread.join(timeout=1)
|
|
if self.whisplay_interface.board:
|
|
self.whisplay_interface.board.cleanup()
|
|
|
|
def _sigint_handler(self, sig, frame):
|
|
self.cleanup()
|
|
sys.exit(0)
|
|
|
|
def _sigterm_handler(self, sig, frame):
|
|
self.cleanup()
|
|
sys.exit(0)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description="LXST Channel Client")
|
|
parser.add_argument(
|
|
"--config", "-c", default=None, help="config directory",
|
|
)
|
|
parser.add_argument(
|
|
"--rnsconfig", default=None,
|
|
help="path to alternative Reticulum config directory",
|
|
)
|
|
parser.add_argument(
|
|
"--whitelist", "-w", default=None,
|
|
help="path to bridge_whitelist.json",
|
|
)
|
|
parser.add_argument(
|
|
"--version",
|
|
action="version",
|
|
version="lxst-client 0.1.0",
|
|
)
|
|
parser.add_argument("-v", "--verbose", action="count", default=0)
|
|
parser.add_argument(
|
|
"--announce_interval",
|
|
default=0,
|
|
help="seconds between LXMF destination announces (0 = announce once at startup, default)",
|
|
type=int,
|
|
)
|
|
parser.add_argument(
|
|
"--whisplay", "-W",
|
|
action="store_true",
|
|
help="enable Whisplay HAT GUI mode",
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
client = ChannelClient(
|
|
configdir=args.config,
|
|
rnsconfigdir=args.rnsconfig,
|
|
whitelist_path=args.whitelist,
|
|
verbosity=args.verbose,
|
|
announce_interval=args.announce_interval,
|
|
use_whisplay=args.whisplay,
|
|
)
|
|
|
|
try:
|
|
client.run()
|
|
except KeyboardInterrupt:
|
|
client.cleanup()
|
|
print()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|