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reorganize core device communication code

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This commit is contained in:
Sebastien Bourdeauducq 2017-02-27 18:37:30 +08:00
parent e64d923a67
commit 7d6ebabc1b
19 changed files with 131 additions and 161 deletions
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2
RELEASE_NOTES.rst
View File

@ -24,6 +24,8 @@ Release notes
the device database.
* ``int(a, width=b)`` has been removed. Use ``int32(a)`` and ``int64(a)``.
* The kc705 gateware target has been renamed kc705_dds.
* ``artiq.coredevice.comm_tcp`` has been renamed ``artiq.coredevice.comm_kernel``,
and ``Comm`` has been renamed ``CommKernel``.
2.2

38
artiq/coredevice/analyzer.py → artiq/coredevice/comm_analyzer.py
View File

@ -2,15 +2,49 @@ from operator import itemgetter
from collections import namedtuple
from itertools import count
from contextlib import contextmanager
from enum import Enum
import struct
import logging
from artiq.protocols.analyzer import MessageType, ExceptionType
import socket
logger = logging.getLogger(__name__)
class MessageType(Enum):
output = 0b00
input = 0b01
exception = 0b10
stopped = 0b11
class ExceptionType(Enum):
legacy_reset = 0b000000
legacy_reset_falling = 0b000001
legacy_reset_phy = 0b000010
legacy_reset_phy_falling = 0b000011
o_underflow_reset = 0b010000
o_sequence_error_reset = 0b010001
o_collision_reset = 0b010010
i_overflow_reset = 0b100000
def get_analyzer_dump(host, port=1382):
sock = socket.create_connection((host, port))
try:
r = bytes()
while True:
buf = sock.recv(8192)
if not buf:
break
r += buf
finally:
sock.close()
return r
OutputMessage = namedtuple(
"OutputMessage", "channel timestamp rtio_counter address data")

61
artiq/coredevice/comm_generic.py → artiq/coredevice/comm_kernel.py
View File

@ -1,5 +1,7 @@
import struct
import logging
import socket
import sys
import traceback
import numpy
from enum import Enum
@ -69,29 +71,60 @@ class RPCReturnValueError(ValueError):
RPCKeyword = namedtuple('RPCKeyword', ['name', 'value'])
class CommGeneric:
def __init__(self):
def set_keepalive(sock, after_idle, interval, max_fails):
if sys.platform.startswith("linux"):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails)
elif sys.platform.startswith("win") or sys.platform.startswith("cygwin"):
# setting max_fails is not supported, typically ends up being 5 or 10
# depending on Windows version
sock.ioctl(socket.SIO_KEEPALIVE_VALS,
(1, after_idle*1000, interval*1000))
else:
logger.warning("TCP keepalive not supported on platform '%s', ignored",
sys.platform)
def initialize_connection(host, port):
sock = socket.create_connection((host, port), 5.0)
sock.settimeout(None)
set_keepalive(sock, 3, 2, 3)
logger.debug("connected to host %s on port %d", host, port)
return sock
class CommKernel:
def __init__(self, dmgr, host, port=1381):
self._read_type = None
self.host = host
self.port = port
def open(self):
"""Opens the communication channel.
Must do nothing if already opened."""
raise NotImplementedError
if hasattr(self, "socket"):
return
self.socket = initialize_connection(self.host, self.port)
self.socket.sendall(b"ARTIQ coredev\n")
def close(self):
"""Closes the communication channel.
Must do nothing if already closed."""
raise NotImplementedError
if not hasattr(self, "socket"):
return
self.socket.close()
del self.socket
logger.debug("disconnected")
def read(self, length):
"""Reads exactly length bytes from the communication channel.
The channel is assumed to be opened."""
raise NotImplementedError
r = bytes()
while len(r) < length:
rn = self.socket.recv(min(8192, length - len(r)))
if not rn:
raise ConnectionResetError("Connection closed")
r += rn
return r
def write(self, data):
"""Writes exactly length bytes to the communication channel.
The channel is assumed to be opened."""
raise NotImplementedError
self.socket.sendall(data)
#
# Reader interface

2
artiq/coredevice/comm_dummy.py → artiq/coredevice/comm_kernel_dummy.py
View File

@ -1,7 +1,7 @@
from operator import itemgetter
class Comm:
class CommKernel:
def __init__(self, dmgr):
super().__init__()

4
artiq/coredevice/moninj.py → artiq/coredevice/comm_moninj.py
View File

@ -4,7 +4,7 @@ import struct
from enum import Enum
__all__ = ["TTLProbe", "TTLOverride", "MonInjComm"]
__all__ = ["TTLProbe", "TTLOverride", "CommMonInj"]
logger = logging.getLogger(__name__)
@ -21,7 +21,7 @@ class TTLOverride(Enum):
oe = 2
class MonInjComm:
class CommMonInj:
def __init__(self, monitor_cb, injection_status_cb, disconnect_cb=None):
self.monitor_cb = monitor_cb
self.injection_status_cb = injection_status_cb

76
artiq/coredevice/comm_tcp.py
View File

@ -1,76 +0,0 @@
import logging
import socket
import sys
from artiq.coredevice.comm_generic import CommGeneric
logger = logging.getLogger(__name__)
def set_keepalive(sock, after_idle, interval, max_fails):
if sys.platform.startswith("linux"):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails)
elif sys.platform.startswith("win") or sys.platform.startswith("cygwin"):
# setting max_fails is not supported, typically ends up being 5 or 10
# depending on Windows version
sock.ioctl(socket.SIO_KEEPALIVE_VALS,
(1, after_idle*1000, interval*1000))
else:
logger.warning("TCP keepalive not supported on platform '%s', ignored",
sys.platform)
def initialize_connection(host, port):
sock = socket.create_connection((host, port), 5.0)
sock.settimeout(None)
set_keepalive(sock, 3, 2, 3)
logger.debug("connected to host %s on port %d", host, port)
return sock
class Comm(CommGeneric):
def __init__(self, dmgr, host, port=1381, port_analyzer=1382):
super().__init__()
self.host = host
self.port = port
self.port_analyzer = port_analyzer
def open(self):
if hasattr(self, "socket"):
return
self.socket = initialize_connection(self.host, self.port)
self.socket.sendall(b"ARTIQ coredev\n")
def close(self):
if not hasattr(self, "socket"):
return
self.socket.close()
del self.socket
logger.debug("disconnected")
def read(self, length):
r = bytes()
while len(r) < length:
rn = self.socket.recv(min(8192, length - len(r)))
if not rn:
raise ConnectionResetError("Connection closed")
r += rn
return r
def write(self, data):
self.socket.sendall(data)
def get_analyzer_dump(self):
sock = initialize_connection(self.host, self.port_analyzer)
r = bytes()
while True:
buf = sock.recv(8192)
if not buf:
break
r += buf
sock.close()
return r

6
artiq/dashboard/moninj.py
View File

@ -4,7 +4,7 @@ import logging
from PyQt5 import QtCore, QtWidgets, QtGui
from artiq.protocols.sync_struct import Subscriber
from artiq.coredevice.moninj import *
from artiq.coredevice.comm_moninj import *
from artiq.gui.tools import LayoutWidget
from artiq.gui.flowlayout import FlowLayout
@ -197,7 +197,7 @@ class _DeviceManager:
try:
if v["type"] == "local":
widget = None
if v["module"] == "artiq.coredevice.comm_tcp":
if k == "comm":
self.core_addr = v["arguments"]["host"]
self.new_core_addr.set()
elif v["module"] == "artiq.coredevice.ttl":
@ -300,7 +300,7 @@ class _DeviceManager:
if self.core_connection is not None:
await self.core_connection.close()
self.core_connection = None
new_core_connection = MonInjComm(self.monitor_cb, self.injection_status_cb,
new_core_connection = CommMonInj(self.monitor_cb, self.injection_status_cb,
lambda: logger.error("lost connection to core device moninj"))
try:
await new_core_connection.connect(self.core_addr, 1383)

4
artiq/examples/drtio/device_db.pyon
View File

@ -5,8 +5,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_tcp",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel",
"class": "CommKernel",
"arguments": {"host": "kc705.lab.m-labs.hk"}
},
"core": {

4
artiq/examples/master/device_db.pyon
View File

@ -5,8 +5,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_tcp",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel",
"class": "CommKernel",
"arguments": {"host": "kc705.lab.m-labs.hk"}
},
"core": {

4
artiq/examples/phaser/device_db.pyon
View File

@ -3,8 +3,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_tcp",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel",
"class": "CommKernel",
"arguments": {"host": "kc705aux.lab.m-labs.hk"}
},
"core": {

44
artiq/frontend/artiq_coreanalyzer.py
View File

@ -6,7 +6,8 @@ import sys
from artiq.tools import verbosity_args, init_logger
from artiq.master.databases import DeviceDB
from artiq.master.worker_db import DeviceManager
from artiq.coredevice.analyzer import decode_dump, decoded_dump_to_vcd
from artiq.coredevice.comm_analyzer import (get_analyzer_dump,
decode_dump, decoded_dump_to_vcd)
def get_argparser():
@ -38,28 +39,25 @@ def main():
sys.exit(1)
device_mgr = DeviceManager(DeviceDB(args.device_db))
try:
if args.read_dump:
with open(args.read_dump, "rb") as f:
dump = f.read()
else:
comm = device_mgr.get("comm")
dump = comm.get_analyzer_dump()
decoded_dump = decode_dump(dump)
if args.print_decoded:
print("Log channel:", decoded_dump.log_channel)
print("DDS one-hot:", decoded_dump.dds_onehot_sel)
for message in decoded_dump.messages:
print(message)
if args.write_vcd:
with open(args.write_vcd, "w") as f:
decoded_dump_to_vcd(f, device_mgr.get_device_db(),
decoded_dump)
if args.write_dump:
with open(args.write_dump, "wb") as f:
f.write(dump)
finally:
device_mgr.close_devices()
if args.read_dump:
with open(args.read_dump, "rb") as f:
dump = f.read()
else:
core_addr = device_mgr.get_desc("comm")["arguments"]["host"]
dump = get_analyzer_dump(core_addr)
decoded_dump = decode_dump(dump)
if args.print_decoded:
print("Log channel:", decoded_dump.log_channel)
print("DDS one-hot:", decoded_dump.dds_onehot_sel)
for message in decoded_dump.messages:
print(message)
if args.write_vcd:
with open(args.write_vcd, "w") as f:
decoded_dump_to_vcd(f, device_mgr.get_device_db(),
decoded_dump)
if args.write_dump:
with open(args.write_dump, "wb") as f:
f.write(dump)
if __name__ == "__main__":

2
artiq/gateware/rtio/analyzer.py
View File

@ -3,7 +3,7 @@ from migen.genlib.record import Record, layout_len
from misoc.interconnect.csr import *
from misoc.interconnect import stream
from artiq.protocols.analyzer import MessageType, ExceptionType
from artiq.coredevice.comm_analyzer import MessageType, ExceptionType
__all__ = ["Analyzer"]

21
artiq/protocols/analyzer.py
View File

@ -1,21 +0,0 @@
from enum import Enum
class MessageType(Enum):
output = 0b00
input = 0b01
exception = 0b10
stopped = 0b11
class ExceptionType(Enum):
legacy_reset = 0b000000
legacy_reset_falling = 0b000001
legacy_reset_phy = 0b000010
legacy_reset_phy_falling = 0b000011
o_underflow_reset = 0b010000
o_sequence_error_reset = 0b010001
o_collision_reset = 0b010010
i_overflow_reset = 0b100000

6
artiq/test/coredevice/test_analyzer.py
View File

@ -1,7 +1,7 @@
from artiq.experiment import *
from artiq.coredevice.analyzer import (decode_dump, StoppedMessage,
OutputMessage, InputMessage,
_extract_log_chars)
from artiq.coredevice.comm_analyzer import (decode_dump, StoppedMessage,
OutputMessage, InputMessage,
_extract_log_chars)
from artiq.test.hardware_testbench import ExperimentCase

2
artiq/test/coredevice/test_moninj.py
View File

@ -21,7 +21,7 @@ class MonInjTest(ExperimentCase):
loop = asyncio.get_event_loop()
try:
moninj_comm = MonInjComm(monitor_cb, injection_status_cb)
moninj_comm = CommMonInj(monitor_cb, injection_status_cb)
loop.run_until_complete(moninj_comm.connect(core_host))
try:
moninj_comm.get_injection_status(loop_out_channel, TTLOverride.en.value)

4
artiq/test/lit/devirtualization/device_db.pyon
View File

@ -1,8 +1,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_dummy",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel_dummy",
"class": "CommKernel",
"arguments": {}
},
"core": {

4
artiq/test/lit/embedding/device_db.pyon
View File

@ -1,8 +1,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_dummy",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel_dummy",
"class": "CommKernel",
"arguments": {}
},
"core": {

4
artiq/test/lit/escape/device_db.pyon
View File

@ -1,8 +1,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_dummy",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel_dummy",
"class": "CommKernel",
"arguments": {}
},
"core": {

4
artiq/test/lit/regression/device_db.pyon
View File

@ -1,8 +1,8 @@
{
"comm": {
"type": "local",
"module": "artiq.coredevice.comm_dummy",
"class": "Comm",
"module": "artiq.coredevice.comm_kernel_dummy",
"class": "CommKernel",
"arguments": {}
},
"core": {