def connect_server(self, host):
try:
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.connect((host, self.PORT))
except socket.error, error :
Log.logerr('socket failed: %d(%s)' % (error.errno, error.strerror))
return False
def new_conn_thread_func(conn, addr):
print addr
try:
handler = ConnHandler(conn)
handler.do_work()
except Exception, error:
Log.logerr('svr handler thread exception: %d(%s)' % (error.errno, error.strerror))
def do_cmds(self, msg):
if (msg.startswith("recv")):
return self.recv_file(msg)
elif (msg.startswith("send")):
local_file = msg.split('#')[1]
return self.send_file(local_file, local_file, True)
elif (msg.startswith("cmd")):
cmd,shell = self.parse_cmd_args(msg)
ctl = Command()
if (shell == 'shell'):
ret_info = ctl.run_sys_cmd(cmd)
return self.send_msg(self.sock, Message.MSG_CTRL, ret_info)
elif (shell == 'update'):
args = sys.argv[:]
args.insert(0, sys.executable)
os.chdir(os._startup_cwd)
msg = 'success'
self.send_msg(self.sock, Message.MSG_CTRL, msg)
self.sock.close()
Log.logmsg("Update self:%s,%s" % (args, os._startup_cwd))
os.execv(sys.executable, args)
#no return
else:
Log.logerr("Invalid cmd!%s" % msg)
return False
def read_config(self, file_name):
if not os.path.exists(file_name):
Log.logerr("CONF:%s not exists,using default." % file_name)
return False
tree = xml.etree.ElementTree.ElementTree(file=file_name)
root = tree.getroot()
self.svr_conf_dict['listen'] = int(root.findall ('server/listen')[0].text)
self.svr_conf_dict['backlog'] = int(root.findall ('server/backlog')[0].text)
return True
def init_sock(self):
try:
port = self.conf.svr_conf_dict['listen']
back_log = self.conf.svr_conf_dict['backlog']
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.set_close_exec(self.sock.fileno())
self.sock.bind(('', port))
self.sock.listen(back_log)
except socket.error, error :
Log.logerr('server init socket failed: %s(%s)' % (socket.error, error))
return False
def do_work(self):
while (True):
header = self.readn(self.sock, 8)
if not header:
return True
version, machine, type, length = Message.parse_msg_header(header)
if (version != Message.version or machine != Message.TYPE_HYDRA):
Log.logerr("Server check message header failed!")
return False
msg = self.readn(self.sock, length)
if (type == Message.MSG_CTRL):
Log.logmsg("Server try execute cmd :%s" % msg)
if self.do_cmds(msg):
Log.logmsg("Server execute cmd :%s, success" % msg)
return True
else:
Log.logmsg("Server execute cmd :%s, success" % msg)
else:
Log.logerr("unknown cmd:%d %s" % (type, msg))
return False
rc = False
try:
if (method == "get"):
local_file = sys.argv[4]
remote_file = sys.argv[3]
rc = client.cli_get_file(local_file, remote_file)
elif (method == "put"):
local_file = sys.argv[3]
remote_file = sys.argv[4]
rc = client.cli_put_file(local_file, remote_file)
elif (method == "cmd"):
shell = sys.argv[3]
if shell == "shell":
cmd = ' '.join(sys.argv[4:])
rc = client.cli_cmd(cmd, shell)
elif shell == "update":
cmd = ''
rc = client.cli_cmd(cmd, shell)
else:
print "invalid args", ' '.join(sys.argv[:])
else:
print "invalid args:%s" % (' '.join(sys.argv[:]))
except Exception, error:
err_msg = 'exception: %d(%s)' % (error.errno, error.strerror)
Log.logerr(err_msg)
if not rc:
sys.exit(1)
else:
sys.exit(0)
os.dup2(null.fileno(), sys.stdin.fileno())
os.dup2(null.fileno(), sys.stdout.fileno())
os.dup2(null.fileno(), sys.stderr.fileno())
return True
def run_svr():
svr = Server()
svr.run()
if __name__ == "__main__":
PIDFILE = "/var/run/agent.pid"
WORKPATH = "/"
os._startup_cwd = os.getcwd()
if not g_conf.read_config(Config.CONF_FILE):
Log.logerr("read config failed!")
sys.exit(1)
import getopt,sys
try:
opts,args = getopt.getopt(sys.argv[1:], "d", ["daemon",])
except getopt.GetoptError,e:
print e
sys.exit(1)
for o,a in opts:
if o in ("-d","--daemon"):
if not createDaemon(PIDFILE, WORKPATH):
Log.logerr("Daemon failed!")
sys.exit(1)
run_svr()
