def handle_read(self):
"""Called when data is available for reading."""
data, ancdata, _, _ = recvmsg(self.socket, 65536, 4096)
if not data:
return self.handle_close()
fds, cred = parse_ancdata(ancdata)
if self.header_buffer is not None:
self.header_buffer += data.decode()
linefeed = self.header_buffer.find('\n')
if linefeed == -1:
return
header = json.loads(self.header_buffer[:linefeed])
data = self.header_buffer[linefeed + 1:]
self.header_buffer = None
self.handle_header(fds, header)
if not data:
return
meta = Metadata(time=datetime.now(),
pid=cred.pid,
comm=(comm_for_pid(cred.pid) or "unknown"),
unit=(unit_for_pid(cred.pid) or self.unit))
if meta.unit is not None:
log = self.log_manager.get(meta.unit, "stdio")
log.write(data, meta)
def recvsocket(control):
control.wait_for_read()
result = sendmsg.recvmsg(control.fileno())
identifier, flags, [(level, type, data)] = result
fd = struct.unpack('i', data)[0]
try:
sock = socket.fromfd(fd, socket.AF_INET, socket.SOCK_STREAM)
sock = coro.coroutine_socket(sock)
finally:
os.close(fd)
return sock
def mount_fuse(mount_point):
rfd, sfd = socketpair(AF_UNIX, SOCK_STREAM)
newenv = os.environ.copy()
if not os.fork():
os.environ['_FUSE_COMMFD'] = str(sfd)
for i in xrange(3, 1024):
if i != sfd:
try:
os.close(i)
except OSError:
pass
os.execl('/usr/bin/fusermount', 'fusermount', mount_point)
else:
#s = socket.fromfd(rfd, AF_UNIX, SOCK_STREAM)
message, flags, ancillary = recvmsg(rfd)
level, type, fd = ancillary[0]
return unpack('=i', fd)[0]
