#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright (c) 2019-2020 tecnovert # Distributed under the MIT software license, see the accompanying # file LICENSE or http://www.opensource.org/licenses/mit-license.php. import os import sys import json import time import shutil import signal import logging import traceback import subprocess import basicswap.config as cfg from basicswap import __version__ from basicswap.ui.util import getCoinName from basicswap.basicswap import BasicSwap from basicswap.http_server import HttpThread from basicswap.contrib.websocket_server import WebsocketServer logger = logging.getLogger() logger.level = logging.DEBUG if not len(logger.handlers): logger.addHandler(logging.StreamHandler(sys.stdout)) swap_client = None def signal_handler(sig, frame): global swap_client logger.info('Signal %d detected, ending program.' % (sig)) if swap_client is not None: swap_client.stopRunning() def startDaemon(node_dir, bin_dir, daemon_bin, opts=[]): daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin)) datadir_path = os.path.expanduser(node_dir) args = [daemon_bin, '-datadir=' + datadir_path] + opts logging.info('Starting node ' + daemon_bin + ' ' + '-datadir=' + node_dir) return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=datadir_path) def startXmrDaemon(node_dir, bin_dir, daemon_bin, opts=[]): daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin)) datadir_path = os.path.expanduser(node_dir) args = [daemon_bin, '--non-interactive', '--config-file=' + os.path.join(datadir_path, 'monerod.conf')] + opts logging.info('Starting node {} --data-dir={}'.format(daemon_bin, node_dir)) # return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) file_stdout = open(os.path.join(datadir_path, 'core_stdout.log'), 'w') file_stderr = open(os.path.join(datadir_path, 'core_stderr.log'), 'w') return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=file_stdout, stderr=file_stderr, cwd=datadir_path) def startXmrWalletDaemon(node_dir, bin_dir, wallet_bin, opts=[]): daemon_bin = os.path.expanduser(os.path.join(bin_dir, wallet_bin)) data_dir = os.path.expanduser(node_dir) config_path = os.path.join(data_dir, 'monero_wallet.conf') args = [daemon_bin, '--non-interactive', '--config-file=' + config_path] + opts # TODO: Remove # Remove daemon-address has_daemon_address = False has_untrusted = False with open(config_path) as fp: for line in fp: if line.startswith('daemon-address'): has_daemon_address = True if line.startswith('untrusted-daemon'): has_untrusted = True if has_daemon_address: logging.info('Rewriting monero_wallet.conf') shutil.copyfile(config_path, config_path + '.last') with open(config_path + '.last') as fp_from, open(config_path, 'w') as fp_to: for line in fp_from: if not line.startswith('daemon-address'): fp_to.write(line) if not has_untrusted: fp_to.write('untrusted-daemon=1\n') logging.info('Starting wallet daemon {} --wallet-dir={}'.format(daemon_bin, node_dir)) # TODO: return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=data_dir) wallet_stdout = open(os.path.join(data_dir, 'wallet_stdout.log'), 'w') wallet_stderr = open(os.path.join(data_dir, 'wallet_stderr.log'), 'w') return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=wallet_stdout, stderr=wallet_stderr, cwd=data_dir) def ws_new_client(client, server): if swap_client: swap_client.log.debug(f'ws_new_client {client["id"]}') def ws_client_left(client, server): if client is None: return if swap_client: swap_client.log.debug(f'ws_client_left {client["id"]}') def ws_message_received(client, server, message): if len(message) > 200: message = message[:200] + '..' if swap_client: swap_client.log.debug(f'ws_message_received {client["id"]} {message}') def runClient(fp, data_dir, chain): global swap_client settings_path = os.path.join(data_dir, cfg.CONFIG_FILENAME) pids_path = os.path.join(data_dir, '.pids') if not os.path.exists(settings_path): raise ValueError('Settings file not found: ' + str(settings_path)) with open(settings_path) as fs: settings = json.load(fs) swap_client = BasicSwap(fp, data_dir, settings, chain) daemons = [] pids = [] threads = [] if os.path.exists(pids_path): with open(pids_path) as fd: for ln in fd: # TODO: try close logger.warning('Found pid for daemon {} '.format(ln.strip())) # Ensure daemons are stopped swap_client.stopDaemons() try: # Try start daemons for c, v in settings['chainclients'].items(): try: coin_id = swap_client.getCoinIdFromName(c) display_name = getCoinName(coin_id) except Exception as e: logger.warning('Error getting coin display name for {}: {}'.format(c, str(e))) display_name = 'Unknown' if c == 'monero': if v['manage_daemon'] is True: swap_client.log.info(f'Starting {display_name} daemon') daemons.append(startXmrDaemon(v['datadir'], v['bindir'], 'monerod')) pid = daemons[-1].pid swap_client.log.info('Started {} {}'.format('monerod', pid)) if v['manage_wallet_daemon'] is True: swap_client.log.info(f'Starting {display_name} wallet daemon') daemon_addr = '{}:{}'.format(v['rpchost'], v['rpcport']) swap_client.log.info('daemon-address: {}'.format(daemon_addr)) opts = ['--daemon-address', daemon_addr, ] daemons.append(startXmrWalletDaemon(v['datadir'], v['bindir'], 'monero-wallet-rpc', opts)) pid = daemons[-1].pid swap_client.log.info('Started {} {}'.format('monero-wallet-rpc', pid)) continue if v['manage_daemon'] is True: swap_client.log.info(f'Starting {display_name} daemon') filename = c + 'd' + ('.exe' if os.name == 'nt' else '') daemons.append(startDaemon(v['datadir'], v['bindir'], filename)) pid = daemons[-1].pid pids.append((c, pid)) swap_client.setDaemonPID(c, pid) swap_client.log.info('Started {} {}'.format(filename, pid)) if len(pids) > 0: with open(pids_path, 'w') as fd: for p in pids: fd.write('{}:{}\n'.format(*p)) signal.signal(signal.SIGINT, signal_handler) signal.signal(signal.SIGTERM, signal_handler) swap_client.start() if 'htmlhost' in settings: swap_client.log.info('Starting http server at http://%s:%d.' % (settings['htmlhost'], settings['htmlport'])) allow_cors = settings['allowcors'] if 'allowcors' in settings else cfg.DEFAULT_ALLOW_CORS thread_http = HttpThread(fp, settings['htmlhost'], settings['htmlport'], allow_cors, swap_client) threads.append(thread_http) thread_http.start() if 'wshost' in settings: ws_url = 'ws://{}:{}'.format(settings['wshost'], settings['wsport']) swap_client.log.info(f'Starting ws server at {ws_url}.') swap_client.ws_server = WebsocketServer(host=settings['wshost'], port=settings['wsport']) swap_client.ws_server.set_fn_new_client(ws_new_client) swap_client.ws_server.set_fn_client_left(ws_client_left) swap_client.ws_server.set_fn_message_received(ws_message_received) swap_client.ws_server.run_forever(threaded=True) logger.info('Exit with Ctrl + c.') while swap_client.is_running: time.sleep(0.5) swap_client.update() except Exception as ex: traceback.print_exc() if swap_client.ws_server: try: swap_client.log.info('Stopping websocket server.') swap_client.ws_server.shutdown_gracefully() except Exception as ex: traceback.print_exc() swap_client.finalise() swap_client.log.info('Stopping HTTP threads.') for t in threads: try: t.stop() t.join() except Exception as ex: traceback.print_exc() closed_pids = [] for d in daemons: swap_client.log.info('Interrupting {}'.format(d.pid)) try: d.send_signal(signal.SIGINT) except Exception as e: swap_client.log.info('Interrupting %d, error %s', d.pid, str(e)) for d in daemons: try: d.wait(timeout=120) for fp in (d.stdout, d.stderr, d.stdin): if fp: fp.close() closed_pids.append(d.pid) except Exception as ex: swap_client.log.error('Error: {}'.format(ex)) if os.path.exists(pids_path): with open(pids_path) as fd: lines = fd.read().split('\n') still_running = '' for ln in lines: try: if not int(ln.split(':')[1]) in closed_pids: still_running += ln + '\n' except Exception: pass with open(pids_path, 'w') as fd: fd.write(still_running) def printVersion(): logger.info('Basicswap version: %s', __version__) def printHelp(): logger.info('Usage: basicswap-run ') logger.info('\n--help, -h Print help.') logger.info('--version, -v Print version.') logger.info('--datadir=PATH Path to basicswap data directory, default:{}.'.format(cfg.BASICSWAP_DATADIR)) logger.info('--mainnet Run in mainnet mode.') logger.info('--testnet Run in testnet mode.') logger.info('--regtest Run in regtest mode.') def main(): data_dir = None chain = 'mainnet' for v in sys.argv[1:]: if len(v) < 2 or v[0] != '-': logger.warning('Unknown argument %s', v) continue s = v.split('=') name = s[0].strip() for i in range(2): if name[0] == '-': name = name[1:] if name == 'v' or name == 'version': printVersion() return 0 if name == 'h' or name == 'help': printHelp() return 0 if name == 'testnet': chain = 'testnet' continue if name == 'regtest': chain = 'regtest' continue if len(s) == 2: if name == 'datadir': data_dir = os.path.expanduser(s[1]) continue logger.warning('Unknown argument %s', v) if data_dir is None: data_dir = os.path.join(os.path.expanduser(cfg.BASICSWAP_DATADIR)) logger.info('Using datadir: %s', data_dir) logger.info('Chain: %s', chain) if not os.path.exists(data_dir): os.makedirs(data_dir) with open(os.path.join(data_dir, 'basicswap.log'), 'a') as fp: logger.info(os.path.basename(sys.argv[0]) + ', version: ' + __version__ + '\n\n') runClient(fp, data_dir, chain) logger.info('Done.') return swap_client.fail_code if swap_client is not None else 0 if __name__ == '__main__': main()