2 import sys, os, struct, getopt, subprocess, signal
3 from subprocess import PIPE
4 from bup import options, ssh, path
5 from bup.helpers import *
8 bup on <hostname> index ...
9 bup on <hostname> save ...
10 bup on <hostname> split ...
12 o = options.Options(optspec, optfunc=getopt.getopt)
13 (opt, flags, extra) = o.parse(sys.argv[1:])
15 o.fatal('arguments expected')
17 class SigException(Exception):
18 def __init__(self, signum):
20 Exception.__init__(self, 'signal %d received' % signum)
21 def handler(signum, frame):
22 raise SigException(signum)
24 signal.signal(signal.SIGTERM, handler)
25 signal.signal(signal.SIGINT, handler)
32 hp = extra[0].split(':')
34 (hostname, port) = (hp[0], None)
38 p = ssh.connect(hostname, port, 'on--server', stderr=PIPE)
41 argvs = '\0'.join(['bup'] + argv)
42 p.stdin.write(struct.pack('!I', len(argvs)) + argvs)
44 sp = subprocess.Popen([path.exe(), 'server'],
45 stdin=p.stdout, stdout=p.stdin)
48 # Demultiplex remote client's stderr (back to stdout/stderr).
49 dmc = DemuxConn(p.stderr.fileno(), open(os.devnull, "w"))
50 for line in iter(dmc.readline, ""):
51 sys.stdout.write(line)
54 # if we get a signal while waiting, we have to keep waiting, just
55 # in case our child doesn't die.
61 except SigException, e:
62 log('\nbup on: %s\n' % e)
63 os.kill(p.pid, e.signum)
65 except SigException, e:
68 log('\nbup on: %s\n' % e)