[tests] Tidy up mininode.py module
Mostly move only. Adds a few extra comments.
This commit is contained in:
parent
f9cd9b1bfa
commit
1135c796a0
|
@ -27,18 +27,35 @@ from test_framework.messages import *
|
|||
|
||||
logger = logging.getLogger("TestFramework.mininode")
|
||||
|
||||
# Keep our own socket map for asyncore, so that we can track disconnects
|
||||
# ourselves (to workaround an issue with closing an asyncore socket when
|
||||
# using select)
|
||||
mininode_socket_map = dict()
|
||||
MESSAGEMAP = {
|
||||
b"addr": msg_addr,
|
||||
b"block": msg_block,
|
||||
b"blocktxn": msg_blocktxn,
|
||||
b"cmpctblock": msg_cmpctblock,
|
||||
b"feefilter": msg_feefilter,
|
||||
b"getaddr": msg_getaddr,
|
||||
b"getblocks": msg_getblocks,
|
||||
b"getblocktxn": msg_getblocktxn,
|
||||
b"getdata": msg_getdata,
|
||||
b"getheaders": msg_getheaders,
|
||||
b"headers": msg_headers,
|
||||
b"inv": msg_inv,
|
||||
b"mempool": msg_mempool,
|
||||
b"ping": msg_ping,
|
||||
b"pong": msg_pong,
|
||||
b"reject": msg_reject,
|
||||
b"sendcmpct": msg_sendcmpct,
|
||||
b"sendheaders": msg_sendheaders,
|
||||
b"tx": msg_tx,
|
||||
b"verack": msg_verack,
|
||||
b"version": msg_version,
|
||||
}
|
||||
|
||||
# One lock for synchronizing all data access between the networking thread (see
|
||||
# NetworkThread below) and the thread running the test logic. For simplicity,
|
||||
# NodeConn acquires this lock whenever delivering a message to a NodeConnCB,
|
||||
# and whenever adding anything to the send buffer (in send_message()). This
|
||||
# lock should be acquired in the thread running the test logic to synchronize
|
||||
# access to any data shared with the NodeConnCB or NodeConn.
|
||||
mininode_lock = RLock()
|
||||
MAGIC_BYTES = {
|
||||
"mainnet": b"\xf9\xbe\xb4\xd9", # mainnet
|
||||
"testnet3": b"\x0b\x11\x09\x07", # testnet3
|
||||
"regtest": b"\xfa\xbf\xb5\xda", # regtest
|
||||
}
|
||||
|
||||
class NodeConnCB():
|
||||
"""Callback and helper functions for P2P connection to a bitcoind node.
|
||||
|
@ -183,34 +200,6 @@ class NodeConn(asyncore.dispatcher):
|
|||
"""The actual NodeConn class
|
||||
|
||||
This class provides an interface for a p2p connection to a specified node."""
|
||||
messagemap = {
|
||||
b"version": msg_version,
|
||||
b"verack": msg_verack,
|
||||
b"addr": msg_addr,
|
||||
b"inv": msg_inv,
|
||||
b"getdata": msg_getdata,
|
||||
b"getblocks": msg_getblocks,
|
||||
b"tx": msg_tx,
|
||||
b"block": msg_block,
|
||||
b"getaddr": msg_getaddr,
|
||||
b"ping": msg_ping,
|
||||
b"pong": msg_pong,
|
||||
b"headers": msg_headers,
|
||||
b"getheaders": msg_getheaders,
|
||||
b"reject": msg_reject,
|
||||
b"mempool": msg_mempool,
|
||||
b"feefilter": msg_feefilter,
|
||||
b"sendheaders": msg_sendheaders,
|
||||
b"sendcmpct": msg_sendcmpct,
|
||||
b"cmpctblock": msg_cmpctblock,
|
||||
b"getblocktxn": msg_getblocktxn,
|
||||
b"blocktxn": msg_blocktxn
|
||||
}
|
||||
MAGIC_BYTES = {
|
||||
"mainnet": b"\xf9\xbe\xb4\xd9", # mainnet
|
||||
"testnet3": b"\x0b\x11\x09\x07", # testnet3
|
||||
"regtest": b"\xfa\xbf\xb5\xda", # regtest
|
||||
}
|
||||
|
||||
def __init__(self, dstaddr, dstport, rpc, callback, net="regtest", services=NODE_NETWORK|NODE_WITNESS, send_version=True):
|
||||
asyncore.dispatcher.__init__(self, map=mininode_socket_map)
|
||||
|
@ -247,6 +236,8 @@ class NodeConn(asyncore.dispatcher):
|
|||
self.handle_close()
|
||||
self.rpc = rpc
|
||||
|
||||
# Connection and disconnection methods
|
||||
|
||||
def handle_connect(self):
|
||||
if self.state != "connected":
|
||||
logger.debug("Connected & Listening: %s:%d" % (self.dstaddr, self.dstport))
|
||||
|
@ -264,14 +255,61 @@ class NodeConn(asyncore.dispatcher):
|
|||
pass
|
||||
self.cb.on_close(self)
|
||||
|
||||
def disconnect_node(self):
|
||||
""" Disconnect the p2p connection.
|
||||
|
||||
Called by the test logic thread. Causes the p2p connection
|
||||
to be disconnected on the next iteration of the asyncore loop."""
|
||||
self.disconnect = True
|
||||
|
||||
# Socket read methods
|
||||
|
||||
def readable(self):
|
||||
return True
|
||||
|
||||
def handle_read(self):
|
||||
t = self.recv(8192)
|
||||
if len(t) > 0:
|
||||
self.recvbuf += t
|
||||
self.got_data()
|
||||
|
||||
def readable(self):
|
||||
return True
|
||||
def got_data(self):
|
||||
try:
|
||||
while True:
|
||||
if len(self.recvbuf) < 4:
|
||||
return
|
||||
if self.recvbuf[:4] != MAGIC_BYTES[self.network]:
|
||||
raise ValueError("got garbage %s" % repr(self.recvbuf))
|
||||
if len(self.recvbuf) < 4 + 12 + 4 + 4:
|
||||
return
|
||||
command = self.recvbuf[4:4+12].split(b"\x00", 1)[0]
|
||||
msglen = struct.unpack("<i", self.recvbuf[4+12:4+12+4])[0]
|
||||
checksum = self.recvbuf[4+12+4:4+12+4+4]
|
||||
if len(self.recvbuf) < 4 + 12 + 4 + 4 + msglen:
|
||||
return
|
||||
msg = self.recvbuf[4+12+4+4:4+12+4+4+msglen]
|
||||
th = sha256(msg)
|
||||
h = sha256(th)
|
||||
if checksum != h[:4]:
|
||||
raise ValueError("got bad checksum " + repr(self.recvbuf))
|
||||
self.recvbuf = self.recvbuf[4+12+4+4+msglen:]
|
||||
if command not in MESSAGEMAP:
|
||||
raise ValueError("Received unknown command from %s:%d: '%s' %s" % (self.dstaddr, self.dstport, command, repr(msg)))
|
||||
f = BytesIO(msg)
|
||||
t = MESSAGEMAP[command]()
|
||||
t.deserialize(f)
|
||||
self.got_message(t)
|
||||
except Exception as e:
|
||||
logger.exception('Error reading message:', repr(e))
|
||||
raise
|
||||
|
||||
def got_message(self, message):
|
||||
if self.last_sent + 30 * 60 < time.time():
|
||||
self.send_message(MESSAGEMAP[b'ping']())
|
||||
self._log_message("receive", message)
|
||||
self.cb.deliver(self, message)
|
||||
|
||||
# Socket write methods
|
||||
|
||||
def writable(self):
|
||||
with mininode_lock:
|
||||
|
@ -296,43 +334,13 @@ class NodeConn(asyncore.dispatcher):
|
|||
return
|
||||
self.sendbuf = self.sendbuf[sent:]
|
||||
|
||||
def got_data(self):
|
||||
try:
|
||||
while True:
|
||||
if len(self.recvbuf) < 4:
|
||||
return
|
||||
if self.recvbuf[:4] != self.MAGIC_BYTES[self.network]:
|
||||
raise ValueError("got garbage %s" % repr(self.recvbuf))
|
||||
if len(self.recvbuf) < 4 + 12 + 4 + 4:
|
||||
return
|
||||
command = self.recvbuf[4:4+12].split(b"\x00", 1)[0]
|
||||
msglen = struct.unpack("<i", self.recvbuf[4+12:4+12+4])[0]
|
||||
checksum = self.recvbuf[4+12+4:4+12+4+4]
|
||||
if len(self.recvbuf) < 4 + 12 + 4 + 4 + msglen:
|
||||
return
|
||||
msg = self.recvbuf[4+12+4+4:4+12+4+4+msglen]
|
||||
th = sha256(msg)
|
||||
h = sha256(th)
|
||||
if checksum != h[:4]:
|
||||
raise ValueError("got bad checksum " + repr(self.recvbuf))
|
||||
self.recvbuf = self.recvbuf[4+12+4+4+msglen:]
|
||||
if command not in self.messagemap:
|
||||
raise ValueError("Received unknown command from %s:%d: '%s' %s" % (self.dstaddr, self.dstport, command, repr(msg)))
|
||||
f = BytesIO(msg)
|
||||
t = self.messagemap[command]()
|
||||
t.deserialize(f)
|
||||
self.got_message(t)
|
||||
except Exception as e:
|
||||
logger.exception('Error reading message:', repr(e))
|
||||
raise
|
||||
|
||||
def send_message(self, message, pushbuf=False):
|
||||
if self.state != "connected" and not pushbuf:
|
||||
raise IOError('Not connected, no pushbuf')
|
||||
self._log_message("send", message)
|
||||
command = message.command
|
||||
data = message.serialize()
|
||||
tmsg = self.MAGIC_BYTES[self.network]
|
||||
tmsg = MAGIC_BYTES[self.network]
|
||||
tmsg += command
|
||||
tmsg += b"\x00" * (12 - len(command))
|
||||
tmsg += struct.pack("<I", len(data))
|
||||
|
@ -351,11 +359,7 @@ class NodeConn(asyncore.dispatcher):
|
|||
self.sendbuf += tmsg
|
||||
self.last_sent = time.time()
|
||||
|
||||
def got_message(self, message):
|
||||
if self.last_sent + 30 * 60 < time.time():
|
||||
self.send_message(self.messagemap[b'ping']())
|
||||
self._log_message("receive", message)
|
||||
self.cb.deliver(self, message)
|
||||
# Class utility methods
|
||||
|
||||
def _log_message(self, direction, msg):
|
||||
if direction == "send":
|
||||
|
@ -367,9 +371,19 @@ class NodeConn(asyncore.dispatcher):
|
|||
log_message += "... (msg truncated)"
|
||||
logger.debug(log_message)
|
||||
|
||||
def disconnect_node(self):
|
||||
self.disconnect = True
|
||||
|
||||
# Keep our own socket map for asyncore, so that we can track disconnects
|
||||
# ourselves (to workaround an issue with closing an asyncore socket when
|
||||
# using select)
|
||||
mininode_socket_map = dict()
|
||||
|
||||
# One lock for synchronizing all data access between the networking thread (see
|
||||
# NetworkThread below) and the thread running the test logic. For simplicity,
|
||||
# NodeConn acquires this lock whenever delivering a message to a NodeConnCB,
|
||||
# and whenever adding anything to the send buffer (in send_message()). This
|
||||
# lock should be acquired in the thread running the test logic to synchronize
|
||||
# access to any data shared with the NodeConnCB or NodeConn.
|
||||
mininode_lock = RLock()
|
||||
|
||||
class NetworkThread(Thread):
|
||||
def run(self):
|
||||
|
|
Loading…
Reference in New Issue