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Commit 51e177d7 authored by Jeremy Hylton's avatar Jeremy Hylton
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Commit the zeo-1_0-debug-branch to the trunk. 

I expect this code will become ZEO 1.1.
parent f8e578b8
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Showing with 357 additions and 180 deletions
src/ZEO/ClientStorage.py
View file @ 51e177d7
......@@ -13,22 +13,27 @@
##############################################################################
"""Network ZODB storage client
"""
__version__='$Revision: 1.39 $'[11:-2]
__version__='$Revision: 1.40 $'[11:-2]
import struct, time, os, socket, string, Sync, zrpc, ClientCache
import tempfile, Invalidator, ExtensionClass, thread
import ThreadedAsync
now=time.time
import struct, time, os, socket, string
import tempfile, thread
from struct import pack, unpack
from types import TupleType
import Invalidator, ExtensionClass
import ThreadedAsync, Sync, zrpc, ClientCache
from ZODB import POSException, BaseStorage
from ZODB.TimeStamp import TimeStamp
from zLOG import LOG, PROBLEM, INFO
try: from ZODB.ConflictResolution import ResolvedSerial
except: ResolvedSerial='rs'
from ZEO.logger import zLogger
log = zLogger("ZEO Client")
TupleType=type(())
try:
from ZODB.ConflictResolution import ResolvedSerial
except:
ResolvedSerial='rs'
class ClientStorageError(POSException.StorageError):
"""An error occured in the ZEO Client Storage"""
......@@ -62,8 +67,12 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
self._info={'length': 0, 'size': 0, 'name': 'ZEO Client',
'supportsUndo':0, 'supportsVersions': 0,
}
self._call=zrpc.asyncRPC(connection, debug=debug,
if debug:
debug_log = log
else:
debug_log = None
self._call=zrpc.asyncRPC(connection, debug=debug_log,
tmin=min_disconnect_poll,
tmax=max_disconnect_poll)
......@@ -132,7 +141,7 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
# If we can't connect right away, go ahead and open the cache
# and start a separate thread to try and reconnect.
LOG("ClientStorage", PROBLEM, "Failed to connect to storage")
log.problem("Failed to connect to storage")
self._cache.open()
thread.start_new_thread(self._call.connect,(0,))
......@@ -140,7 +149,7 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
# notifyConnected
def notifyConnected(self, s):
LOG("ClientStorage", INFO, "Connected to storage")
log.info("Connected to storage")
self._lock_acquire()
try:
......@@ -197,7 +206,7 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
### responsible for starting the thread that makes the connection.
def notifyDisconnected(self, ignored):
LOG("ClientStorage", PROBLEM, "Disconnected from storage")
log.problem("Disconnected from storage")
self._connected=0
self._transaction=None
thread.start_new_thread(self._call.connect,(0,))
......@@ -233,7 +242,7 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
def close(self):
self._lock_acquire()
try:
LOG("ClientStorage", INFO, "close")
log.info("close")
self._call.closeIntensionally()
try:
self._tfile.close()
......@@ -550,6 +559,9 @@ class ClientStorage(ExtensionClass.Base, BaseStorage.BaseStorage):
def sync(self): self._call.sync()
def status(self):
self._call.sendMessage('status')
def getWakeup(_w=[]):
if _w: return _w[0]
import trigger
......
src/ZEO/StorageServer.py
View file @ 51e177d7
This diff is collapsed.
src/ZEO/logger.py 0 → 100644
View file @ 51e177d7
import string
from types import StringType
from zLOG import *
__all__ = ["zLogger", "format_msg"]
_MAX_MSG_SIZE = 120
def format_msg(*args):
accum = []
total_len = 0
for arg in args:
if not isinstance(arg, StringType):
arg = str(arg)
accum.append(arg)
total_len = total_len + len(arg)
if total_len >= _MAX_MSG_SIZE:
break
m = string.join(accum)
if len(m) > _MAX_MSG_SIZE:
m = m[:_MAX_MSG_SIZE] + ' ...'
return m
class zLogger:
def __init__(self, channel):
self.channel = channel
def __str__(self):
raise RuntimeError, "don't print me"
def trace(self, msg):
LOG(self.channel, TRACE, msg)
def debug(self, msg):
LOG(self.channel, DEBUG, msg)
def blather(self, msg):
LOG(self.channel, BLATHER, msg)
def info(self, msg):
LOG(self.channel, INFO, msg)
def problem(self, msg):
LOG(self.channel, PROBLEM, msg)
def warning(self, msg):
LOG(self.channel, WARNING, msg)
def error(self, msg, error=None):
LOG(self.channel, ERROR, msg, error=error)
def panic(self, msg):
LOG(self.channel, PANIC, msg)
src/ZEO/smac.py
View file @ 51e177d7
......@@ -14,11 +14,11 @@
"""Sized message async connections
"""
__version__ = "$Revision: 1.15 $"[11:-2]
__version__ = "$Revision: 1.16 $"[11:-2]
import asyncore, string, struct, zLOG, sys, Acquisition
import socket, errno
from zLOG import LOG, TRACE, ERROR, INFO
from logger import zLogger
# Use the dictionary to make sure we get the minimum number of errno
# entries. We expect that EWOULDBLOCK == EAGAIN on most systems --
......@@ -48,10 +48,10 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
SizedMessageAsyncConnection.inheritedAttribute(
'__init__')(self, sock, map)
self.addr=addr
if debug is not None:
self._debug=debug
elif not hasattr(self, '_debug'):
self._debug=__debug__ and 'smac'
if debug is None and __debug__:
self._debug = zLogger("smac")
else:
self._debug = debug
self.__state=None
self.__inp=None
self.__inpl=0
......@@ -132,10 +132,12 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
def message_output(self, message,
pack=struct.pack, len=len):
if self._debug:
if len(message) > 40: m=message[:40]+' ...'
else: m=message
LOG(self._debug, TRACE, 'message_output %s' % `m`)
if self._debug is not None:
if len(message) > 40:
m = message[:40]+' ...'
else:
m = message
self._debug.trace('message_output %s' % `m`)
append=self.__append
if append is None:
......@@ -143,13 +145,6 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
append(pack(">i",len(message))+message)
def log_info(self, message, type='info'):
if type=='error': type=ERROR
else: type=INFO
LOG('ZEO', type, message)
log=log_info
def close(self):
if self.__append is not None:
self.__append=None
......
src/ZEO/start.py
View file @ 51e177d7
......@@ -15,7 +15,7 @@
"""Start the server storage.
"""
__version__ = "$Revision: 1.30 $"[11:-2]
__version__ = "$Revision: 1.31 $"[11:-2]
import sys, os, getopt, string
......@@ -75,11 +75,9 @@ def main(argv):
os.path.join(var, 'ZEO_SERVER.pid')
)
opts, args = getopt.getopt(args, 'p:Ddh:U:sS:u:')
fs = os.path.join(var, 'Data.fs')
fs=os.path.join(var, 'Data.fs')
usage="""%s [options] [filename]
usage = """%s [options] [filename]
where options are:
......@@ -121,6 +119,13 @@ def main(argv):
if no file name is specified, then %s is used.
""" % (me, fs)
try:
opts, args = getopt.getopt(args, 'p:Ddh:U:sS:u:')
except getopt.error, err:
print err
print usage
sys.exit(1)
port=None
debug=detailed=0
host=''
......@@ -217,15 +222,15 @@ def main(argv):
import signal
signal.signal(signal.SIGTERM,
lambda sig, frame, s=storages: shutdown(s)
)
lambda sig, frame, s=storages: shutdown(s))
signal.signal(signal.SIGINT,
lambda sig, frame, s=storages: shutdown(s, 0)
)
try: signal.signal(signal.SIGHUP, rotate_logs_handler)
except: pass
except: pass
lambda sig, frame, s=storages: shutdown(s, 0))
try:
signal.signal(signal.SIGHUP, rotate_logs_handler)
except:
pass
except:
pass
items=storages.items()
items.sort()
......@@ -236,13 +241,16 @@ def main(argv):
ZEO.StorageServer.StorageServer(unix, storages)
try: ppid, pid = os.getppid(), os.getpid()
except: pass # getpid not supported
else: open(zeo_pid,'w').write("%s %s" % (ppid, pid))
try:
ppid, pid = os.getppid(), os.getpid()
except:
pass # getpid not supported
else:
open(zeo_pid,'w').write("%s %s" % (ppid, pid))
except:
# Log startup exception and tell zdaemon not to restart us.
info=sys.exc_info()
info = sys.exc_info()
try:
import zLOG
zLOG.LOG("z2", zLOG.PANIC, "Startup exception",
......@@ -280,21 +288,29 @@ def shutdown(storages, die=1):
# unnecessary, since we now use so_reuseaddr.
for ignored in 1,2:
for socket in asyncore.socket_map.values():
try: socket.close()
except: pass
try:
socket.close()
except:
pass
for storage in storages.values():
try: storage.close()
except: pass
try:
storage.close()
except:
pass
try:
from zLOG import LOG, INFO
LOG('ZEO Server', INFO,
"Shutting down (%s)" % (die and "shutdown" or "restart")
)
except: pass
except:
pass
if die: sys.exit(0)
else: sys.exit(1)
if die:
sys.exit(0)
else:
sys.exit(1)
if __name__=='__main__': main(sys.argv)
if __name__ == '__main__':
main(sys.argv)
src/ZEO/tests/testZEO.py
View file @ 51e177d7
......@@ -172,6 +172,7 @@ class GenericTests(ZEOTestBase,
def tearDown(self):
"""Try to cause the tests to halt"""
self.running = 0
self._storage.status()
self._storage.close()
self._server.close()
os.waitpid(self._pid, 0)
......@@ -218,6 +219,7 @@ class GenericTests(ZEOTestBase,
oid = self._storage.new_oid()
self._storage.store(oid, None, '', '', t)
self._storage.tpc_vote(t)
self._storage.status()
self._storage.tpc_finish(t)
for store, trans in self._storages:
......@@ -237,7 +239,7 @@ class GenericTests(ZEOTestBase,
def _get_timestamp(self):
t = time.time()
t = apply(TimeStamp,(time.gmtime(t)[:5]+(t%60,)))
return 't'
return `t`
class ZEOFileStorageTests(GenericTests):
__super_setUp = GenericTests.setUp
......
src/ZEO/trigger.py
View file @ 51e177d7
......@@ -15,10 +15,8 @@
# This module is a simplified version of the select_trigger module
# from Sam Rushing's Medusa server.
import asyncore
#import asynchat
import errno
import os
import socket
import string
......@@ -26,7 +24,7 @@ import thread
if os.name == 'posix':
class trigger (asyncore.file_dispatcher):
class trigger(asyncore.file_dispatcher):
"Wake up a call to select() running in the main thread"
......@@ -58,10 +56,10 @@ if os.name == 'posix':
# new data onto a channel's outgoing data queue at the same time that
# the main thread is trying to remove some]
def __init__ (self):
def __init__(self):
r, w = self._fds = os.pipe()
self.trigger = w
asyncore.file_dispatcher.__init__ (self, r)
asyncore.file_dispatcher.__init__(self, r)
self.lock = thread.allocate_lock()
self.thunks = []
......@@ -69,30 +67,35 @@ if os.name == 'posix':
os.close(self._fds[0])
os.close(self._fds[1])
def __repr__ (self):
return '<select-trigger (pipe) at %x>' % id(self)
def __repr__(self):
return '<select-trigger(pipe) at %x>' % id(self)
def readable (self):
def readable(self):
return 1
def writable (self):
def writable(self):
return 0
def handle_connect (self):
def handle_connect(self):
pass
def pull_trigger (self, thunk=None):
def pull_trigger(self, thunk=None):
# print 'PULL_TRIGGER: ', len(self.thunks)
if thunk:
try:
self.lock.acquire()
self.thunks.append (thunk)
self.thunks.append(thunk)
finally:
self.lock.release()
os.write (self.trigger, 'x')
os.write(self.trigger, 'x')
def handle_read (self):
self.recv (8192)
def handle_read(self):
try:
self.recv(8192)
except os.error, err:
if err[0] == errno.EAGAIN: # resource temporarily unavailable
return
raise
try:
self.lock.acquire()
for thunk in self.thunks:
......@@ -101,7 +104,7 @@ if os.name == 'posix':
except:
nil, t, v, tbinfo = asyncore.compact_traceback()
print ('exception in trigger thunk:'
' (%s:%s %s)' % (t, v, tbinfo))
'(%s:%s %s)' % (t, v, tbinfo))
self.thunks = []
finally:
self.lock.release()
......@@ -113,13 +116,13 @@ else:
# win32-safe version
class trigger (asyncore.dispatcher):
class trigger(asyncore.dispatcher):
address = ('127.9.9.9', 19999)
def __init__ (self):
a = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
w = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
def __init__(self):
a = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
w = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# set TCP_NODELAY to true to avoid buffering
w.setsockopt(socket.IPPROTO_TCP, 1, 1)
......@@ -137,45 +140,50 @@ else:
raise 'Bind Error', 'Cannot bind trigger!'
port=port - 1
a.listen (1)
w.setblocking (0)
a.listen(1)
w.setblocking(0)
try:
w.connect (self.address)
w.connect(self.address)
except:
pass
r, addr = a.accept()
a.close()
w.setblocking (1)
w.setblocking(1)
self.trigger = w
asyncore.dispatcher.__init__ (self, r)
asyncore.dispatcher.__init__(self, r)
self.lock = thread.allocate_lock()
self.thunks = []
self._trigger_connected = 0
def __repr__ (self):
def __repr__(self):
return '<select-trigger (loopback) at %x>' % id(self)
def readable (self):
def readable(self):
return 1
def writable (self):
def writable(self):
return 0
def handle_connect (self):
def handle_connect(self):
pass
def pull_trigger (self, thunk=None):
def pull_trigger(self, thunk=None):
if thunk:
try:
self.lock.acquire()
self.thunks.append (thunk)
self.thunks.append(thunk)
finally:
self.lock.release()
self.trigger.send ('x')
self.trigger.send('x')
def handle_read (self):
self.recv (8192)
def handle_read(self):
try:
self.recv(8192)
except os.error, err:
if err[0] == errno.EAGAIN: # resource temporarily unavailable
return
raise
try:
self.lock.acquire()
for thunk in self.thunks:
......
src/ZEO/zrpc.py
View file @ 51e177d7
......@@ -14,7 +14,7 @@
"""Simple rpc mechanisms
"""
__version__ = "$Revision: 1.22 $"[11:-2]
__version__ = "$Revision: 1.23 $"[11:-2]
from cPickle import loads
import cPickle
......@@ -61,13 +61,13 @@ class asyncRPC(SizedMessageAsyncConnection):
self.__call_la=l.acquire
self.__call_lr=l.release
def connect(self, tryonce=1, log_type='client'):
def connect(self, tryonce=1):
t=self._tmin
connection = self._connection
debug=self._debug
while self.__closed == 0:
if log_type: LOG(log_type, INFO,
'Trying to connect to server: %s' % `connection`)
LOG("client", INFO,
'Trying to connect to server: %s' % `connection`)
try:
if type(connection) is type(''):
s=socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
......@@ -75,15 +75,15 @@ class asyncRPC(SizedMessageAsyncConnection):
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(connection)
except Exception, err:
if debug:
LOG(debug, DEBUG, "Failed to connect to server: %s" % err)
if debug is not None:
debug.blather("Failed to connect to server: %s" % err)
if tryonce: return 0
time.sleep(t)
t=t*2
if t > self._tmax: t=self._tmax
else:
if debug:
LOG(debug, DEBUG, "Connected to server")
if debug is not None:
debug.blather("Connected to server")
# Make sure the result lock is set, se we don't
# get an old result (e.g. the exception that
......@@ -199,12 +199,12 @@ class asyncRPC(SizedMessageAsyncConnection):
self._outOfBand=f
def message_input(self, m):
if self._debug:
if self._debug is not None:
if len(m) > 60:
md = repr(m[:60]) + ' ...'
else:
md = repr(m)
LOG(self._debug, TRACE, 'message_input %s' % md)
self._debug.trace('message_input %s' % md)
c=m[:1]
if c in 'RE':
......
src/ZEO/zrpc/smac.py
View file @ 51e177d7
......@@ -14,11 +14,11 @@
"""Sized message async connections
"""
__version__ = "$Revision: 1.15 $"[11:-2]
__version__ = "$Revision: 1.16 $"[11:-2]
import asyncore, string, struct, zLOG, sys, Acquisition
import socket, errno
from zLOG import LOG, TRACE, ERROR, INFO
from logger import zLogger
# Use the dictionary to make sure we get the minimum number of errno
# entries. We expect that EWOULDBLOCK == EAGAIN on most systems --
......@@ -48,10 +48,10 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
SizedMessageAsyncConnection.inheritedAttribute(
'__init__')(self, sock, map)
self.addr=addr
if debug is not None:
self._debug=debug
elif not hasattr(self, '_debug'):
self._debug=__debug__ and 'smac'
if debug is None and __debug__:
self._debug = zLogger("smac")
else:
self._debug = debug
self.__state=None
self.__inp=None
self.__inpl=0
......@@ -132,10 +132,12 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
def message_output(self, message,
pack=struct.pack, len=len):
if self._debug:
if len(message) > 40: m=message[:40]+' ...'
else: m=message
LOG(self._debug, TRACE, 'message_output %s' % `m`)
if self._debug is not None:
if len(message) > 40:
m = message[:40]+' ...'
else:
m = message
self._debug.trace('message_output %s' % `m`)
append=self.__append
if append is None:
......@@ -143,13 +145,6 @@ class SizedMessageAsyncConnection(Acquisition.Explicit, asyncore.dispatcher):
append(pack(">i",len(message))+message)
def log_info(self, message, type='info'):
if type=='error': type=ERROR
else: type=INFO
LOG('ZEO', type, message)
log=log_info
def close(self):
if self.__append is not None:
self.__append=None
......
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