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msgproto: Avoid peeking into the msgproto class members 

Update callers to only use exported methods of the msgproto objects.
This makes it easier to make internal changes to the code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-02-18 14:01:40 -05:00
parent 319c36df52
commit efa497dfd8
4 changed files with 78 additions and 60 deletions
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16
klippy/console.py
View File

@ -1,7 +1,7 @@
#!/usr/bin/env python2
# Script to implement a test console with firmware over serial port
#
# Copyright (C) 2016,2017 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import sys, optparse, os, re, logging
@ -54,11 +54,12 @@ class KeyboardReader:
self.output("="*20 + " attempting to connect " + "="*20)
self.ser.connect()
msgparser = self.ser.get_msgparser()
self.output("Loaded %d commands (%s / %s)" % (
len(msgparser.messages_by_id),
msgparser.version, msgparser.build_versions))
message_count = len(msgparser.get_messages())
version, build_versions = msgparser.get_version_info()
self.output("Loaded %d commands (%s / %s)"
% (message_count, version, build_versions))
self.output("MCU config: %s" % (" ".join(
["%s=%s" % (k, v) for k, v in msgparser.config.items()])))
["%s=%s" % (k, v) for k, v in msgparser.get_constants().items()])))
self.clocksync.connect(self.ser)
self.ser.handle_default = self.handle_default
self.ser.register_response(self.handle_output, '#output')
@ -137,9 +138,10 @@ class KeyboardReader:
def command_LIST(self, parts):
self.update_evals(self.reactor.monotonic())
mp = self.ser.get_msgparser()
cmds = [msgformat for msgid, msgtype, msgformat in mp.get_messages()
if msgtype == 'command']
out = "Available mcu commands:"
out += "\n ".join([""] + sorted([
mp.messages_by_id[i].msgformat for i in mp.command_ids]))
out += "\n ".join([""] + sorted(cmds))
out += "\nAvailable artificial commands:"
out += "\n ".join([""] + [n for n in sorted(self.local_commands)])
out += "\nAvailable local variables:"

17
klippy/mcu.py
View File

@ -1,6 +1,6 @@
# Interface to Klipper micro-controller code
#
# Copyright (C) 2016-2020 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import sys, os, zlib, logging, math
@ -564,10 +564,11 @@ class MCU:
return config_params
def _log_info(self):
msgparser = self._serial.get_msgparser()
message_count = len(msgparser.get_messages())
version, build_versions = msgparser.get_version_info()
log_info = [
"Loaded MCU '%s' %d commands (%s / %s)" % (
self._name, len(msgparser.messages_by_id),
msgparser.version, msgparser.build_versions),
"Loaded MCU '%s' %d commands (%s / %s)"
% (self._name, message_count, version, build_versions),
"MCU '%s' config: %s" % (self._name, " ".join(
["%s=%s" % (k, v) for k, v in self.get_constants().items()]))]
return "\n".join(log_info)
@ -635,8 +636,9 @@ class MCU:
mbaud = msgparser.get_constant('SERIAL_BAUD', None)
if self._restart_method is None and mbaud is None and not ext_only:
self._restart_method = 'command'
self._get_status_info['mcu_version'] = msgparser.version
self._get_status_info['mcu_build_versions'] = msgparser.build_versions
version, build_versions = msgparser.get_version_info()
self._get_status_info['mcu_version'] = version
self._get_status_info['mcu_build_versions'] = build_versions
self._get_status_info['mcu_constants'] = msgparser.get_constants()
self.register_response(self._handle_shutdown, 'shutdown')
self.register_response(self._handle_shutdown, 'is_shutdown')
@ -693,7 +695,8 @@ class MCU:
except self._serial.get_msgparser().error as e:
return None
def lookup_command_id(self, msgformat):
return self._serial.get_msgparser().lookup_command(msgformat).msgid
all_msgs = self._serial.get_msgparser().get_messages()
return {msgfmt: msgid for msgid, msgtype, msgfmt in all_msgs}[msgformat]
def get_enumerations(self):
return self._serial.get_msgparser().get_enumerations()
def get_constants(self):

70
klippy/msgproto.py
View File

@ -1,6 +1,6 @@
# Protocol definitions for firmware communication
#
# Copyright (C) 2016-2019 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import json, zlib, logging
@ -128,6 +128,25 @@ def lookup_params(msgformat, enumerations={}):
out.append((name, pt))
return out
# Lookup the message types for a debugging "output()" format string
def lookup_output_params(msgformat):
param_types = []
args = msgformat
while 1:
pos = args.find('%')
if pos < 0:
break
if pos+1 >= len(args) or args[pos+1] != '%':
for i in range(4):
t = MessageTypes.get(args[pos:pos+1+i])
if t is not None:
param_types.append(t)
break
else:
raise error("Invalid output format for '%s'" % (msgformat,))
args = args[pos+1:]
return param_types
# Update the message format to be compatible with python's % operator
def convert_msg_format(msgformat):
for c in ['%u', '%i', '%hu', '%hi', '%c', '%.*s', '%*s']:
@ -177,21 +196,7 @@ class OutputFormat:
self.msgid = msgid
self.msgformat = msgformat
self.debugformat = convert_msg_format(msgformat)
self.param_types = []
args = msgformat
while 1:
pos = args.find('%')
if pos < 0:
break
if pos+1 >= len(args) or args[pos+1] != '%':
for i in range(4):
t = MessageTypes.get(args[pos:pos+1+i])
if t is not None:
self.param_types.append(t)
break
else:
raise error("Invalid output format for '%s'" % (msgformat,))
args = args[pos+1:]
self.param_types = lookup_output_params(msgformat)
def parse(self, s, pos):
pos += 1
out = []
@ -219,7 +224,7 @@ class MessageParser:
def __init__(self):
self.unknown = UnknownFormat()
self.enumerations = {}
self.command_ids = []
self.messages = []
self.messages_by_id = {}
self.messages_by_name = {}
self.config = {}
@ -334,7 +339,7 @@ class MessageParser:
#logging.exception("Unable to encode")
raise error("Unable to encode: %s" % (msgname,))
return cmd
def _fill_enumerations(self, enumerations):
def fill_enumerations(self, enumerations):
for add_name, add_enums in enumerations.items():
enums = self.enumerations.setdefault(add_name, {})
for enum, value in add_enums.items():
@ -352,30 +357,35 @@ class MessageParser:
start_value, count = value
for i in range(count):
enums[enum_root + str(start_enum + i)] = start_value + i
def _init_messages(self, messages, output_ids=[]):
def _init_messages(self, messages, command_ids=[], output_ids=[]):
for msgformat, msgid in messages.items():
msgid = int(msgid)
if msgid in output_ids:
msgtype = 'response'
if msgid in command_ids:
msgtype = 'command'
elif msgid in output_ids:
msgtype = 'output'
self.messages.append((msgid, msgtype, msgformat))
if msgtype == 'output':
self.messages_by_id[msgid] = OutputFormat(msgid, msgformat)
continue
msg = MessageFormat(msgid, msgformat, self.enumerations)
self.messages_by_id[msgid] = msg
self.messages_by_name[msg.name] = msg
else:
msg = MessageFormat(msgid, msgformat, self.enumerations)
self.messages_by_id[msgid] = msg
self.messages_by_name[msg.name] = msg
def process_identify(self, data, decompress=True):
try:
if decompress:
data = zlib.decompress(data)
self.raw_identify_data = data
data = json.loads(data)
self._fill_enumerations(data.get('enumerations', {}))
self.fill_enumerations(data.get('enumerations', {}))
commands = data.get('commands')
responses = data.get('responses')
output = data.get('output', {})
all_messages = dict(commands)
all_messages.update(responses)
all_messages.update(output)
self.command_ids = sorted(commands.values())
self._init_messages(all_messages, output.values())
self._init_messages(all_messages, commands.values(),
output.values())
self.config.update(data.get('config', {}))
self.version = data.get('version', '')
self.build_versions = data.get('build_versions', '')
@ -384,6 +394,10 @@ class MessageParser:
except Exception as e:
logging.exception("process_identify error")
raise error("Error during identify: %s" % (str(e),))
def get_version_info(self):
return self.version, self.build_versions
def get_messages(self):
return list(self.messages)
def get_enumerations(self):
return dict(self.enumerations)
def get_constants(self):

35
scripts/buildcommands.py
View File

@ -1,7 +1,7 @@
#!/usr/bin/env python2
# Script to handle build time requests embedded in C code.
#
# Copyright (C) 2016-2018 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import sys, os, subprocess, optparse, logging, shlex, socket, time, traceback
@ -172,8 +172,8 @@ class HandleInitialPins:
if not self.initial_pins:
return []
mp = msgproto.MessageParser()
mp._fill_enumerations(HandlerEnumerations.enumerations)
pinmap = mp.enumerations.get('pin', {})
mp.fill_enumerations(HandlerEnumerations.enumerations)
pinmap = mp.get_enumerations().get('pin', {})
out = []
for p in self.initial_pins:
flag = "IP_OUT_HIGH"
@ -304,13 +304,15 @@ class HandleCommandGeneration:
if msgid not in command_ids and msgid not in response_ids }
if output:
data['output'] = output
def build_parser(self, parser, iscmd):
if parser.name == "#output":
comment = "Output: " + parser.msgformat
def build_parser(self, msgid, msgformat, msgtype):
if msgtype == "output":
param_types = msgproto.lookup_output_params(msgformat)
comment = "Output: " + msgformat
else:
comment = parser.msgformat
param_types = [t for name, t in msgproto.lookup_params(msgformat)]
comment = msgformat
params = '0'
types = tuple([t.__class__.__name__ for t in parser.param_types])
types = tuple([t.__class__.__name__ for t in param_types])
if types:
paramid = self.all_param_types.get(types)
if paramid is None:
@ -322,15 +324,15 @@ class HandleCommandGeneration:
.msg_id=%d,
.num_params=%d,
.param_types = %s,
""" % (comment, parser.msgid, len(types), params)
if iscmd:
""" % (comment, msgid, len(types), params)
if msgtype == 'response':
num_args = (len(types) + types.count('PT_progmem_buffer')
+ types.count('PT_buffer'))
out += " .num_args=%d," % (num_args,)
else:
max_size = min(msgproto.MESSAGE_MAX,
(msgproto.MESSAGE_MIN + 1
+ sum([t.max_length for t in parser.param_types])))
+ sum([t.max_length for t in param_types])))
out += " .max_size=%d," % (max_size,)
return out
def generate_responses_code(self):
@ -342,17 +344,15 @@ class HandleCommandGeneration:
msgid = self.msg_to_id[msg]
if msgid in did_output:
continue
s = msg
did_output[msgid] = True
code = (' if (__builtin_strcmp(str, "%s") == 0)\n'
' return &command_encoder_%s;\n' % (s, msgid))
' return &command_encoder_%s;\n' % (msg, msgid))
if msgname is None:
parser = msgproto.OutputFormat(msgid, msg)
parsercode = self.build_parser(msgid, msg, 'output')
output_code.append(code)
else:
parser = msgproto.MessageFormat(msgid, msg)
parsercode = self.build_parser(msgid, msg, 'command')
encoder_code.append(code)
parsercode = self.build_parser(parser, 0)
encoder_defs.append(
"const struct command_encoder command_encoder_%s PROGMEM = {"
" %s\n};\n" % (
@ -392,8 +392,7 @@ ctr_lookup_output(const char *str)
funcname, flags, msgname = cmd_by_id[msgid]
msg = self.messages_by_name[msgname]
externs[funcname] = 1
parser = msgproto.MessageFormat(msgid, msg)
parsercode = self.build_parser(parser, 1)
parsercode = self.build_parser(msgid, msg, 'response')
index.append(" {%s\n .flags=%s,\n .func=%s\n}," % (
parsercode, flags, funcname))
index = "".join(index).strip()