mirror of
https://github.com/basicswap/basicswap.git
synced 2025-11-05 10:28:10 +01:00
107 lines
3.0 KiB
Python
107 lines
3.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2025 The Basicswap developers
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# Distributed under the MIT software license, see the accompanying
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# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
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import os
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import select
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import subprocess
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import time
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from basicswap.bin.run import Daemon
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def initSimplexClient(args, logger, delay_event):
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logger.info("Initialising Simplex client")
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(pipe_r, pipe_w) = os.pipe() # subprocess.PIPE is buffered, blocks when read
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if os.name == "nt":
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str_args = " ".join(args)
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p = subprocess.Popen(
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str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w
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)
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else:
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p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w)
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def readOutput():
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buf = os.read(pipe_r, 1024).decode("utf-8")
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response = None
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# logging.debug(f"simplex-chat output: {buf}")
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if "display name:" in buf:
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logger.debug("Setting display name")
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response = b"user\n"
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else:
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logger.debug(f"Unexpected output: {buf}")
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return
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if response is not None:
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p.stdin.write(response)
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p.stdin.flush()
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try:
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start_time: int = time.time()
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max_wait_seconds: int = 60
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while p.poll() is None:
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if time.time() > start_time + max_wait_seconds:
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raise ValueError("Timed out")
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if os.name == "nt":
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readOutput()
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delay_event.wait(0.1)
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continue
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while len(select.select([pipe_r], [], [], 0)[0]) == 1:
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readOutput()
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delay_event.wait(0.1)
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except Exception as e:
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logger.error(f"initSimplexClient: {e}")
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finally:
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if p.poll() is None:
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p.terminate()
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os.close(pipe_r)
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os.close(pipe_w)
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p.stdin.close()
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def startSimplexClient(
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bin_path: str,
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data_path: str,
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server_address: str,
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websocket_port: int,
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logger,
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delay_event,
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) -> Daemon:
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logger.info("Starting Simplex client")
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if not os.path.exists(data_path):
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os.makedirs(data_path)
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db_path = os.path.join(data_path, "simplex_client_data")
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args = [bin_path, "-d", db_path, "-s", server_address, "-p", str(websocket_port)]
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if not os.path.exists(db_path):
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# Need to set initial profile through CLI
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# TODO: Must be a better way?
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init_args = args + ["-e", "/help"] # Run command ro exit client
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initSimplexClient(init_args, logger, delay_event)
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args += ["-l", "debug"]
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opened_files = []
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stdout_dest = open(
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os.path.join(data_path, "simplex_stdout.log"),
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"w",
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)
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opened_files.append(stdout_dest)
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stderr_dest = stdout_dest
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return Daemon(
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subprocess.Popen(
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args,
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shell=False,
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stdin=subprocess.PIPE,
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stdout=stdout_dest,
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stderr=stderr_dest,
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cwd=data_path,
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),
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opened_files,
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)
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