# 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
        for _ in range(1024):
            self.chani += 1
            if self.chani > MAX_CHANNEL:
                self.chani = 1
            if not self.channels.get(self.chani):
                return self.chani

    def amount_queued(self):
        total = 0
        for byte in self.outbuf:
            total += len(byte)
        return total

    def check_fullness(self):
        if self.fullness > LATENCY_BUFFER_SIZE:
            if not self.too_full:
                self.send(0, CMD_PING, b('rttest'))
            self.too_full = True
        # ob = []
        # for b in self.outbuf:
        #    (s1,s2,c) = struct.unpack('!ccH', b[:4])
        #    ob.append(c)
        # log('outbuf: %d %r' % (self.amount_queued(), ob))

    def send(self, channel, cmd, data):
        assert isinstance(data, bytes)
        assert len(data) <= 65535
        p = struct.pack('!ccHHH', b('S'), b('S'), channel, cmd, len(data)) \
            + data
        self.outbuf.append(p)

# 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

        for _ in range(1024):
            self.chani += 1
            if self.chani > MAX_CHANNEL:
                self.chani = 1
            if not self.channels.get(self.chani):
                return self.chani

    def amount_queued(self):
        total = 0
        for byte in self.outbuf:
            total += len(byte)
        return total

    def check_fullness(self):
        if self.fullness > LATENCY_BUFFER_SIZE:
            if not self.too_full:
                self.send(0, CMD_PING, b('rttest'))
            self.too_full = True
        # ob = []
        # for b in self.outbuf:
        #    (s1,s2,c) = struct.unpack('!ccH', b[:4])
        #    ob.append(c)
        # log('outbuf: %d %r' % (self.amount_queued(), ob))

    def send(self, channel, cmd, data):
        assert isinstance(data, bytes)
        assert len(data) <= 65535
        p = struct.pack('!ccHHH', b('S'), b('S'), channel, cmd, len(data)) \
            + data
        self.outbuf.append(p)

        debug2(' > channel=%d cmd=%s len=%d (fullness=%d)'