def iterheaps(self):
while self.is_connected:
self.acc_num.seek(0)
heap_cnt = '\x00' + self.acc_num.read()
if heap_cnt == self._tx_heap.get(S.HEAP_CNT_ID,'XX')[1]:
#logger.debug('BorphSpeadServer.iterheaps: Waiting for HEAP_CNT=%s (currently %s)' % (S.hexify(self._tx_heap.get(S.HEAP_CNT_ID,'XX')[1]), S.hexify(heap_cnt)))
time.sleep(.001)
continue
tme = time.time()
tme = int(tme*1000)
htme = S.pack(S.mkfmt(('u',64)),[[tme]])
self._tx_heap[TIMESTAMP_ID] = (S.DIRECTADDR,htme)
logger.info('BorphSpeadServer.iterheaps: Sending HEAP_CNT=%s' % S.hexify(heap_cnt))
self._tx_heap[S.HEAP_CNT_ID] = (S.IMMEDIATEADDR, heap_cnt)
for id,bram in self.brams.iteritems():
bram.seek(0)
self._tx_heap[id] = (S.DIRECTADDR, bram.read())
yield self._tx_heap
return
#! /usr/bin/env python
import spead as S, struct
from spead._spead import *
import sys
pkt = ''.join([
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, 3),)),
S.pack(S.ITEM_FMT, ((0, S.FRAME_CNT_ID, 3),)),
S.pack(S.ITEM_FMT, ((1, 0x3333, 0),)),
S.pack(S.ITEM_FMT, ((0, S.PAYLOAD_LENGTH_ID, 8),)),
struct.pack('>1024d', *[3.1415]*1024)])
cmd = sys.argv[-1]
if cmd.startswith('SpeadPacket'):
if cmd == 'SpeadPacket':
while True:
p = SpeadPacket()
p.unpack(pkt)
elif cmd.split('.')[1] == 'unpack':
p = SpeadPacket()
while True: p.unpack(pkt)
elif cmd.split('.')[1] == 'pack':
p = SpeadPacket()
p.unpack(pkt)
while True: s = p.pack()
elif cmd.split('.')[1] == 'set_items':
p = SpeadPacket()
i = [(0, 5, 3)] * 20
while True: p.items = i
elif cmd.split('.')[1] == 'payload': pass
import unittest, spead as S, spead._spead as _S, struct, sys, os
ex_pkts = {
'2-pkt-heap+next-pkt': [
''.join([
S.pack(S.HDR_FMT , ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 5),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 3),)),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3333, 0),)),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3334, 16),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_OFF_ID, 0),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 8),)),
struct.pack('>d', 3.1415)]),
''.join([
S.pack(S.HDR_FMT , ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 3),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 3),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_OFF_ID, 8),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 16),)),
struct.pack('>d', 2.7182),
struct.pack('>d', 1.4)]),
''.join([
S.pack(S.HDR_FMT , ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 3),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 4),)),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3333, 0),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 8),)),
struct.pack('>d', 1.57)]),],
'normal': ''.join([
S.pack(S.HDR_FMT , ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 3),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 3),)),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3333, 0),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 8),)),
struct.pack('>d', 3.1415)]),
import unittest, spead._spead as _S, spead as S
import socket, time, struct
example_pkt = "".join(
[
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 3),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 3),)),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3333, 0),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 8),)),
struct.pack(">d", 3.1415),
]
)
term_pkt = "".join(
[
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 2),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 0),)),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.STREAM_CTRL_ID, S.STREAM_CTRL_TERM_VAL),)),
]
)
def loopback(data, port=8888):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 200000)
sock.connect(("localhost", port))
sock.send(data)
sock.close()
import unittest, spead._spead as _S, spead as S
import socket, time, struct
example_pkt = ''.join([
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 3), )),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 3), )),
S.pack(S.ITEM_FMT, ((S.DIRECTADDR, 0x3333, 0), )),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.PAYLOAD_LEN_ID, 8), )),
struct.pack('>d', 3.1415)
])
term_pkt = ''.join([
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, S.ITEMSIZE, S.ADDRSIZE, 0, 2), )),
S.pack(S.ITEM_FMT, ((S.IMMEDIATEADDR, S.HEAP_CNT_ID, 0), )),
S.pack(S.ITEM_FMT,
((S.IMMEDIATEADDR, S.STREAM_CTRL_ID, S.STREAM_CTRL_TERM_VAL), )),
])
def loopback(data, port=8888):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 200000)
sock.connect(('localhost', port))
sock.send(data)
sock.close()
PORT = 8888
packet_in_callback = None
data_in_readout = False
#! /usr/bin/env python
import spead as S, struct
from spead._spead import *
import sys
pkt = ''.join([
S.pack(S.HDR_FMT, ((S.MAGIC, S.VERSION, 3), )),
S.pack(S.ITEM_FMT, ((0, S.FRAME_CNT_ID, 3), )),
S.pack(S.ITEM_FMT, ((1, 0x3333, 0), )),
S.pack(S.ITEM_FMT, ((0, S.PAYLOAD_LENGTH_ID, 8), )),
struct.pack('>1024d', *[3.1415] * 1024)
])
cmd = sys.argv[-1]
if cmd.startswith('SpeadPacket'):
if cmd == 'SpeadPacket':
while True:
p = SpeadPacket()
p.unpack(pkt)
elif cmd.split('.')[1] == 'unpack':
p = SpeadPacket()
while True:
p.unpack(pkt)
elif cmd.split('.')[1] == 'pack':
p = SpeadPacket()
p.unpack(pkt)
while True:
s = p.pack()
elif cmd.split('.')[1] == 'set_items':
p = SpeadPacket()
def test_pack(self):
self.assertEqual(S.pack(S.DEFAULT_FMT, ((2 ** 32 + 2 ** 8,),)), "\x01\x00\x00\x01\x00")
self.assertEqual(S.pack(S.ITEM_FMT, ((0, 4, 8),)), "\x00\x00\x04\x00\x00\x00\x00\x08")
self.assertEqual(S.pack(S.FORMAT_FMT, (("u", 8),)), "u\x00\x00\x08")
def test_pack(self):
self.assertEqual(S.pack(S.DEFAULT_FMT, ((2**32+2**8,),)),
'\x01\x00\x00\x01\x00')
self.assertEqual(S.pack(S.ITEM_FMT, ((0, 4, 8),)),
'\x00\x00\x04\x00\x00\x00\x00\x08')
self.assertEqual(S.pack(S.FORMAT_FMT, (('u', 8),)), 'u\x00\x00\x08')