def get_state(proc_name):
exec_cmd_msg = exec_cmd_pb2.Exec_Cmd()
exec_cmd_msg.command = exec_cmd_pb2.Exec_Cmd.STATE
exec_cmd_msg.name = proc_name
msg = exec_cmd_msg.SerializeToString()
unixIPC.send("exec_cmd_pb2",msg)
flush()
msgs = unixIPC.waitForRecv();
if len(msgs) == 0:
print "ERROR: IPC timeout to mod_exec during get_state()";
else:
# Bad idea ahead. Works for mod_exec b/c it only sends solicited exec_resp messages
if len(msgs) > 1:
print "Note: Uh-oh, I ate extra messages: ",msgs[1:len(msgs)]
(type, msg, client) = msgs[0];
exec_resp_msg = exec_resp_pb2.Exec_Resp()
exec_resp_msg.ParseFromString(msg);
if exec_resp_msg.type == exec_resp_pb2.Exec_Resp.STATE:
if exec_resp_msg.processes[0].name == proc_name:
if exec_resp_msg.processes[0].state == exec_resp_pb2.Exec_Resp.RUNNING:
return RUNNING;
elif exec_resp_msg.processes[0].state == exec_resp_pb2.Exec_Resp.STOPPED:
return STOPPED;
elif exec_resp_msg.processes[0].state == exec_resp_pb2.Exec_Resp.RESTARTING:
return RESTARTING;
else:
print "ERROR: mod_exec response to a read did not return the same process name!"
else:
print "ERROR: Expected STATE response but got",exec_resp_msg.type
def proc_end():
msgs = unixIPC.waitForRecv();
if ( len(msgs) > 0 ):
(typ,msg,client) = msgs[-1]
if ( typ == 'xbee_relay_resp_pb2'):
resp = xbee_relay_resp_pb2.XBee_Relay_Resp()
resp.ParseFromString(msg)
if ( resp.code == xbee_relay_resp_pb2.XBee_Relay_Resp.SUCCESS ):
return SUCCESS
elif ( resp.code == xbee_relay_resp_pb2.XBee_Relay_Resp.ADDRESS_NOT_FOUND ):
return ADDRESS_NOT_FOUND
elif ( resp.code == xbee_relay_resp_pb2.XBee_Relay_Resp.NETWORK_TIMEOUT ):
return NETWORK_TIMEOUT
return NETWORK_TIMEOUT
def list():
exec_cmd_msg = exec_cmd_pb2.Exec_Cmd()
exec_cmd_msg.command = exec_cmd_pb2.Exec_Cmd.LIST
msg = exec_cmd_msg.SerializeToString()
unixIPC.send("exec_cmd_pb2",msg)
flush()
msgs = unixIPC.waitForRecv();
if len(msgs) == 0:
print "ERROR: IPC timeout to mod_exec during list()";
else:
# Bad idea ahead. Works for mod_exec b/c it only sends solicited exec_resp messages
if len(msgs) > 1:
print "Note: Uh-oh, I ate extra messages: ",msgs[1:len(msgs)]
(type, msg, client) = msgs[0];
exec_resp_msg = exec_resp_pb2.Exec_Resp()
try:
exec_resp_msg.ParseFromString(msg);
except google.protobuf.message.DecodeError:
print "Error parsing exec_resp_msg"
if exec_resp_msg.type == exec_resp_pb2.Exec_Resp.STATE:
retval = [];
for proc in exec_resp_msg.processes:
p = Process()
p.name = proc.name;
if proc.state == exec_resp_pb2.Exec_Resp.RUNNING:
p.state = RUNNING;
elif proc.state == exec_resp_pb2.Exec_Resp.STOPPED:
p.state = STOPPED;
elif proc.state == exec_resp_pb2.Exec_Resp.RESTARTING:
p.state = RESTARTING;
retval.append(p);
return retval;
else:
print "ERROR: Expected STATE response but got",exec_resp_msg.type
