# Path: sshuttle/helpers.py
# def b(s):
#     return s.encode("ASCII")
# 
# def log(s):
#     global logprefix
#     try:
#         sys.stdout.flush()
#         # Put newline at end of string if line doesn't have one.
#         if not s.endswith("\n"):
#             s = s+"\n"
# 
#         prefix = logprefix
#         s = s.rstrip("\n")
#         for line in s.split("\n"):
#             # We output with \r\n instead of \n because when we use
#             # sudo with the use_pty option, the firewall process, the
#             # other processes printing to the terminal will have the
#             # \n move to the next line, but they will fail to reset
#             # cursor to the beginning of the line. Printing output
#             # with \r\n endings fixes that problem and does not appear
#             # to cause problems elsewhere.
#             sys.stderr.write(prefix + line + "\r\n")
#             prefix = "    "
#         sys.stderr.flush()
#     except IOError:
#         # this could happen if stderr gets forcibly disconnected, eg. because
#         # our tty closes.  That sucks, but it's no reason to abort the program.
#         pass
# 
# def debug1(s):
#     if verbose >= 1:
#         log(s)
# 
# def debug2(s):
#     if verbose >= 2:
#         log(s)
# 
# def debug3(s):
#     if verbose >= 3:
#         log(s)
# 
# class Fatal(Exception):
#     pass


import sys
import struct
import socket
import errno
import select
import os
import fcntl
from sshuttle.helpers import b, log, debug1, debug2, debug3, Fatal
    CMD_PING: 'PING',
    CMD_PONG: 'PONG',
    CMD_TCP_CONNECT: 'TCP_CONNECT',
    CMD_TCP_STOP_SENDING: 'TCP_STOP_SENDING',
    CMD_TCP_EOF: 'TCP_EOF',
    CMD_TCP_DATA: 'TCP_DATA',
    CMD_ROUTES: 'ROUTES',
    CMD_HOST_REQ: 'HOST_REQ',
    CMD_HOST_LIST: 'HOST_LIST',
    CMD_DNS_REQ: 'DNS_REQ',
    CMD_DNS_RESPONSE: 'DNS_RESPONSE',
    CMD_UDP_OPEN: 'UDP_OPEN',
    CMD_UDP_DATA: 'UDP_DATA',
    CMD_UDP_CLOSE: 'UDP_CLOSE',
}


NET_ERRS = [errno.ECONNREFUSED, errno.ETIMEDOUT,
            errno.EHOSTUNREACH, errno.ENETUNREACH,
            errno.EHOSTDOWN, errno.ENETDOWN,
            errno.ENETUNREACH, errno.ECONNABORTED,
            errno.ECONNRESET]


def _add(socks, elem):
    if elem not in socks:
        socks.append(elem)


def _fds(socks):

# Path: sshuttle/helpers.py
# def b(s):
#     return s.encode("ASCII")
# 
# def log(s):
#     global logprefix
#     try:
#         sys.stdout.flush()
#         # Put newline at end of string if line doesn't have one.
#         if not s.endswith("\n"):
#             s = s+"\n"
# 
#         prefix = logprefix
#         s = s.rstrip("\n")
#         for line in s.split("\n"):
#             # We output with \r\n instead of \n because when we use
#             # sudo with the use_pty option, the firewall process, the
#             # other processes printing to the terminal will have the
#             # \n move to the next line, but they will fail to reset
#             # cursor to the beginning of the line. Printing output
#             # with \r\n endings fixes that problem and does not appear
#             # to cause problems elsewhere.
#             sys.stderr.write(prefix + line + "\r\n")
#             prefix = "    "
#         sys.stderr.flush()
#     except IOError:
#         # this could happen if stderr gets forcibly disconnected, eg. because
#         # our tty closes.  That sucks, but it's no reason to abort the program.
#         pass
# 
# def debug1(s):
#     if verbose >= 1:
#         log(s)
# 
# def debug2(s):
#     if verbose >= 2:
#         log(s)
# 
# def debug3(s):
#     if verbose >= 3:
#         log(s)
# 
# class Fatal(Exception):
#     pass


# Path: sshuttle/ssnet.py
import sys
import struct
import socket
import errno
import select
import os
import fcntl
from sshuttle.helpers import b, log, debug1, debug2, debug3, Fatal

    CMD_PING: 'PING',
    CMD_PONG: 'PONG',
    CMD_TCP_CONNECT: 'TCP_CONNECT',
    CMD_TCP_STOP_SENDING: 'TCP_STOP_SENDING',
    CMD_TCP_EOF: 'TCP_EOF',
    CMD_TCP_DATA: 'TCP_DATA',
    CMD_ROUTES: 'ROUTES',
    CMD_HOST_REQ: 'HOST_REQ',
    CMD_HOST_LIST: 'HOST_LIST',
    CMD_DNS_REQ: 'DNS_REQ',
    CMD_DNS_RESPONSE: 'DNS_RESPONSE',
    CMD_UDP_OPEN: 'UDP_OPEN',
    CMD_UDP_DATA: 'UDP_DATA',
    CMD_UDP_CLOSE: 'UDP_CLOSE',
}


NET_ERRS = [errno.ECONNREFUSED, errno.ETIMEDOUT,
            errno.EHOSTUNREACH, errno.ENETUNREACH,
            errno.EHOSTDOWN, errno.ENETDOWN,
            errno.ENETUNREACH, errno.ECONNABORTED,
            errno.ECONNRESET]


def _add(socks, elem):
    if elem not in socks:
        socks.append(elem)


def _fds(socks):

    out = []