def getChildren(service, contextID=None):
"""Get a TCF context IDs from a given service.
As many TCF services have a **getChildren()** command, this function is
intended to implement a service-independant **getChildren()** command.
:param service: The TCF service to get context list from.
:param contextID: parent ID of the context list to get from *service*.
:returns: A tuple of context IDs. Tuple may be empty on error, or if
*contextID* does not have children.
"""
def callGetChildren(service, condition, val):
"""Asynchronous request to get context children.
:param service: The TCF service proxy to send request to.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
class DoneGetChildren(object):
"""Client callback class for <service>.getChildren() command."""
def doneGetChildren(self, token, error, ids):
"""Called when context list retrieval is done.
:param token: pending command handle.
:param error: error description if operation failed, **None**
if succeeded.
:param context_ids: array of available context IDs.
"""
if error:
protocol.log("Error from " + service.getName() + \
".getContext()", error)
else:
val.setValue(ids)
with condition:
condition.notify()
# start the process itself
service.getChildren(contextID, DoneGetChildren())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callGetChildren, service=service, condition=lock,
val=value)
lock.wait(10)
# Return the retrieved children IDs, or an empty tuple
return (tuple(value.getValue() or []))
def testProcesses(c):
from tcf.services import processes, processes_v1 # @UnresolvedImport
lock = threading.Condition()
def processTest():
proc = c.getRemoteService(processes_v1.NAME) or \
c.getRemoteService(processes.NAME)
if not proc:
with lock:
lock.notify()
return
class DoneGetChildren(processes.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
if error:
protocol.log("Error from Processes.GetChildren", error)
else:
print("Processes: " + str(context_ids))
with lock:
lock.notify()
proc.getChildren(None, False, DoneGetChildren())
with lock:
protocol.invokeLater(processTest)
lock.wait(5)
def testMemory(c):
lock = threading.Condition()
from tcf.services import memory
def getContexts():
mem = c.getRemoteService(memory.NAME)
pending = []
class DoneGetContext(memory.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log("Error from Memory.getContext", error)
else:
print context
if len(pending) == 0:
with lock:
lock.notify()
class DoneGetChildren(memory.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from Memory.GetChildren", error)
else:
for c in context_ids:
_memory.append(c)
pending.append(mem.getContext(c, DoneGetContext()))
pending.append(mem.getChildren(c, self))
if len(pending) == 0:
with lock:
lock.notify()
pending.append(mem.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getContexts)
lock.wait(5)
def testStackTrace(c):
from tcf.services import stacktrace # @UnresolvedImport
def stackTest(ctx_id):
stack = c.getRemoteService(stacktrace.NAME)
class DoneGetChildren(stacktrace.DoneGetChildren):
def doneGetChildren(self, token, error, ctx_ids):
if error:
protocol.log("Error from StackTrace.getChildren", error)
return
class DoneGetContext(stacktrace.DoneGetContext):
def doneGetContext(self, token, error, ctxs):
if error:
protocol.log("Error from StackTrace.getContext",
error)
return
if ctxs:
for ctx in ctxs:
print(ctx)
stack.getContext(ctx_ids, DoneGetContext())
stack.getChildren(ctx_id, DoneGetChildren())
for ctx_id in _suspended:
protocol.invokeLater(stackTest, ctx_id)
def testSymbols(c):
from tcf.services import symbols # @UnresolvedImport
def symTest(ctx_id):
syms = c.getRemoteService(symbols.NAME)
class DoneList(symbols.DoneList):
def doneList(self, token, error, ctx_ids):
if error:
protocol.log("Error from Symbols.list", error)
return
class DoneGetContext(symbols.DoneGetContext):
def doneGetContext(self, token, error, ctx):
if error:
protocol.log("Error from Symbols.getContext",
error)
return
print(ctx)
if ctx_ids:
for ctx_id in ctx_ids:
syms.getContext(ctx_id, DoneGetContext())
syms.list(ctx_id, DoneList())
for ctx_id in _suspended:
protocol.invokeLater(symTest, ctx_id)
def testStackTrace(c):
from tcf.services import stacktrace
def stackTest(ctx_id):
stack = c.getRemoteService(stacktrace.NAME)
class DoneGetChildren(stacktrace.DoneGetChildren):
def doneGetChildren(self, token, error, ctx_ids):
if error:
protocol.log("Error from StackTrace.getChildren", error)
return
class DoneGetContext(stacktrace.DoneGetContext):
def doneGetContext(self, token, error, ctxs):
if error:
protocol.log(
"Error from StackTrace.getContext", error)
return
if ctxs:
for ctx in ctxs:
print ctx
stack.getContext(ctx_ids, DoneGetContext())
stack.getChildren(ctx_id, DoneGetChildren())
for ctx_id in _suspended:
protocol.invokeLater(stackTest, ctx_id)
def testSymbols(c):
from tcf.services import symbols
def symTest(ctx_id):
syms = c.getRemoteService(symbols.NAME)
class DoneList(symbols.DoneList):
def doneList(self, token, error, ctx_ids):
if error:
protocol.log("Error from Symbols.list", error)
return
class DoneGetContext(symbols.DoneGetContext):
def doneGetContext(self, token, error, ctx):
if error:
protocol.log(
"Error from Symbols.getContext", error)
return
print ctx
if ctx_ids:
for ctx_id in ctx_ids:
syms.getContext(ctx_id, DoneGetContext())
syms.list(ctx_id, DoneList())
for ctx_id in _suspended:
protocol.invokeLater(symTest, ctx_id)
def testDataCache(c):
from tcf.util import cache
from tcf.services import runcontrol
if not runcontrol.NAME in _services:
return
class ContextsCache(cache.DataCache):
def startDataRetrieval(self):
rc = self._channel.getRemoteService(runcontrol.NAME)
if not rc:
self.set(None, Exception("No RunControl service"), None)
return
cache = self
pending = []
contexts = []
class DoneGetChildren(runcontrol.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log(
"Error from RunControl.GetChildren", error)
else:
for c in context_ids:
contexts.append(c)
pending.append(rc.getChildren(c, self))
if len(pending) == 0:
cache.set(None, None, contexts)
pending.append(rc.getChildren(None, DoneGetChildren()))
contextsCache = ContextsCache(c)
def done():
print "ContextsCache is valid:", contextsCache.getData()
protocol.invokeLater(contextsCache.validate, done)
def testRegisters(c):
if not _suspended: return
from tcf.services import registers
lock = threading.Condition()
def regTest(ctx_id):
regs = c.getRemoteService(registers.NAME)
pending = []
def onDone():
with lock: lock.notify()
class DoneGetChildren(registers.DoneGetChildren):
def doneGetChildren(self, token, error, ctx_ids):
pending.remove(token)
if error:
protocol.log("Error from Registers.getChildren", error)
if not pending:
onDone()
class DoneGetContext(registers.DoneGetContext):
def doneGetContext(self, token, error, ctx):
pending.remove(token)
if error:
protocol.log("Error from Registers.getContext", error)
else:
print ctx
if ctx.isReadable() and not ctx.isReadOnce() and ctx.getSize() >= 2:
locs = []
locs.append(registers.Location(ctx.getID(), 0, 1))
locs.append(registers.Location(ctx.getID(), 1, 1))
class DoneGetM(registers.DoneGet):
def doneGet(self, token, error, value):
pending.remove(token)
if error:
protocol.log("Error from Registers.getm", error)
else:
print "getm", ctx.getID(), map(ord, value)
if not pending:
onDone()
pending.append(regs.getm(locs, DoneGetM()))
if ctx.isWriteable() and not ctx.isWriteOnce() and ctx.getSize() >= 2:
locs = []
locs.append(registers.Location(ctx.getID(), 0, 1))
locs.append(registers.Location(ctx.getID(), 1, 1))
class DoneSetM(registers.DoneSet):
def doneGet(self, token, error):
pending.remove(token)
if error:
protocol.log("Error from Registers.setm", error)
if not pending:
onDone()
pending.append(regs.setm(locs, (255, 255), DoneSetM()))
if not pending:
onDone()
if ctx_ids:
for ctx_id in ctx_ids:
pending.append(regs.getContext(ctx_id, DoneGetContext()))
pending.append(regs.getChildren(ctx_id, DoneGetChildren()))
with lock:
for ctx_id in _suspended:
protocol.invokeLater(regTest, ctx_id)
lock.wait(5)
def testBreakpoints(c):
from tcf.services import breakpoints # @UnresolvedImport
def testBPQuery():
bps = c.getRemoteService(breakpoints.NAME)
def doneGetIDs(token, error, ids):
if error:
protocol.log("Error from Breakpoints.getIDs", error)
return
print("Breakpoints : " + str(ids))
def doneGetProperties(token, error, props):
if error:
protocol.log("Error from Breakpoints.getProperties", error)
return
print("Breakpoint Properties: " + str(props))
def doneGetStatus(token, error, props):
if error:
protocol.log("Error from Breakpoints.getStatus", error)
return
print("Breakpoint Status: " + str(props))
for bpid in ids:
bps.getProperties(bpid, doneGetProperties)
bps.getStatus(bpid, doneGetStatus)
bps.getIDs(doneGetIDs)
protocol.invokeLater(testBPQuery)
def testBPSet():
bpsvc = c.getRemoteService(breakpoints.NAME)
class BPListener(breakpoints.BreakpointsListener):
def breakpointStatusChanged(self, bpid, status):
print("breakpointStatusChanged " + str(bpid) + " " +
str(status))
def contextAdded(self, bps):
print("breakpointAdded " + str(bps))
bpsvc.removeListener(self)
def contextChanged(self, bps):
print("breakpointChanged " + str(bps))
def contextRemoved(self, ids):
print("breakpointRemoved " + str(ids))
bpsvc.addListener(BPListener())
def doneSet(token, error):
if error:
protocol.log("Error from Breakpoints.set", error)
return
bp = {
breakpoints.PROP_ID: "python:1",
breakpoints.PROP_ENABLED: True,
breakpoints.PROP_LOCATION: "sysClkRateGet"
}
bpsvc.set([bp], doneSet)
protocol.invokeLater(testBPSet)
def cancel(self):
if not protocol.isDispatchThread():
protocol.invokeLater(self.cancel)
return
with self._lock:
for cmd in self._pending.values():
cmd.token.cancel()
del self._queue[:]
def subscribe(svc, streamType, listener):
"""Subscribe to a streams channel.
:param svc: The TCF streams proxy to subscribe against.
:param streamType: Type of the stream to register against. For now,
I only know of 'Terminals', 'Processes' and
'ProcessesV1' types.
:param listener: The listener to subscribe to *svc*.
:type listener: tcf.services.streams.StreamsListener
:returns: **None**, always.
"""
def callSubscribe(service, streamType, listener, condition):
"""Asynchronous request to subscribe a listener to streams service.
:param service: The streams service to subscribe listener against.
:param streamType: Type of the stream to register against. For now,
I only know of 'Terminals', 'Processes' and
'ProcessesV1' types.
:param listener: The listener to subscribe to *service*.
:type listener: tcf.services.streams.StreamsListener
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:returns: **None**, always.
"""
class DoneSubscribe(streams.DoneSubscribe):
"""Call back interface for StreamsService.subscribe() command."""
def doneSubscribe(self, token, error):
"""Called when stream subscription is done.
:param token: pending command handle
:param error: error description if operation failed, **None**
if succeeded.
"""
if error:
protocol.log("Error from streams.subscribe()", error)
with condition:
condition.notify()
# start the process itself
service.subscribe(streamType, listener, DoneSubscribe())
# create a condition to wait on
lock = threading.Condition()
with lock:
# TCF requests must be called by the dispatche thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callSubscribe,
service=svc,
streamType=streamType,
listener=listener,
condition=lock)
lock.wait(10)
def subscribe(svc, streamType, listener):
"""Subscribe to a streams channel.
:param svc: The TCF streams proxy to subscribe against.
:param streamType: Type of the stream to register against. For now,
I only know of 'Terminals', 'Processes' and
'ProcessesV1' types.
:param listener: The listener to subscribe to *svc*.
:type listener: tcf.services.streams.StreamsListener
:returns: **None**, always.
"""
def callSubscribe(service, streamType, listener, condition):
"""Asynchronous request to subscribe a listener to streams service.
:param service: The streams service to subscribe listener against.
:param streamType: Type of the stream to register against. For now,
I only know of 'Terminals', 'Processes' and
'ProcessesV1' types.
:param listener: The listener to subscribe to *service*.
:type listener: tcf.services.streams.StreamsListener
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:returns: **None**, always.
"""
class DoneSubscribe(streams.DoneSubscribe):
"""Call back interface for StreamsService.subscribe() command."""
def doneSubscribe(self, token, error):
"""Called when stream subscription is done.
:param token: pending command handle
:param error: error description if operation failed, **None**
if succeeded.
"""
if error:
protocol.log("Error from streams.subscribe()", error)
with condition:
condition.notify()
# start the process itself
service.subscribe(streamType, listener, DoneSubscribe())
# create a condition to wait on
lock = threading.Condition()
with lock:
# TCF requests must be called by the dispatche thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callSubscribe, service=svc, streamType=streamType,
listener=listener, condition=lock)
lock.wait(10)
def testSysMonitor(c):
cmd = sync.CommandControl(c)
try:
sm = cmd.SysMonitor
except AttributeError:
# no SysMonotor service
return
lock = threading.Condition()
from tcf.services import sysmonitor # @UnresolvedImport
processes = []
def getProcesses():
sm = c.getRemoteService(sysmonitor.NAME)
pending = []
class DoneGetChildren(sysmonitor.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from SysMonitor.getChildren", error)
else:
class DoneGetContext(sysmonitor.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log(
"Error from SysMonitor.getContext", error)
else:
processes.append(context)
if not pending:
with lock:
lock.notify()
for ctx_id in context_ids:
pending.append(sm.getContext(ctx_id, DoneGetContext()))
if not pending:
with lock:
lock.notify()
pending.append(sm.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getProcesses)
lock.wait(5)
print("%d processes found:" % len(processes))
for p in processes:
print(p)
cmdl = sm.getCommandLine(p.getID()).get()
if cmdl:
print("Command line: " + str(cmdl))
envp = sm.getEnvironment(p.getID()).get()
print("Environment: " + str(envp))
def _close(self, error):
assert self.state != STATE_CLOSED
self.state = STATE_CLOSED
# Closing channel underlying streams can block for a long time,
# so it needs to be done by a background thread.
thread = threading.Thread(target=self.stop, name="TCF Channel Cleanup")
thread.daemon = True
thread.start()
if error and isinstance(self.remote_peer, peer.AbstractPeer):
self.remote_peer.onChannelTerminated()
if self.registered_with_trasport:
self.registered_with_trasport = False
transport.channelClosed(self, error)
if self.proxy:
try:
self.proxy.onChannelClosed(error)
except Exception as x:
protocol.log("Exception in channel listener", x)
channel = self
class Runnable(object):
def __call__(self):
if channel.out_tokens:
x = None
if isinstance(error, Exception): x = error
elif error: x = Exception(error)
else: x = IOError("Channel is closed")
for msg in channel.out_tokens.values():
try:
s = str(msg)
if len(s) > 72: s = s[:72] + "...]"
y = IOError("Command " + s + " aborted")
# y.initCause(x)
msg.token.getListener().terminated(msg.token, y)
except Exception as e:
protocol.log("Exception in command listener", e)
channel.out_tokens.clear()
if channel.channel_listeners:
for l in channel.channel_listeners:
if not l: break
try:
l.onChannelClosed(error)
except Exception as x:
protocol.log("Exception in channel listener", x)
elif error:
protocol.log("TCF channel terminated", error)
if channel.trace_listeners:
for l in channel.trace_listeners:
try:
l.onChannelClosed(error)
except Exception as x:
protocol.log("Exception in channel listener", x)
protocol.invokeLater(Runnable())
def invoke(self, service, command, *args, **kwargs):
cmd = None
if not protocol.isDispatchThread():
if not kwargs.get("async"):
cmd = protocol.invokeAndWait(self._invoke, service, command, *args, **kwargs)
if cmd and self._interactive:
return cmd.getE()
else:
with self._lock:
self._queue.append((service, command, args, kwargs))
if len(self._queue) == 1:
protocol.invokeLater(self._processQueue)
return
return cmd
def testProcesses(c):
from tcf.services import processes, processes_v1
def processTest():
proc = c.getRemoteService(processes_v1.NAME) or c.getRemoteService(processes.NAME)
if not proc:
return
class DoneGetChildren(processes.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
if error:
protocol.log("Error from Processes.GetChildren", error)
else:
print "Processes:", context_ids
proc.getChildren(None, False, DoneGetChildren())
protocol.invokeLater(processTest)
def testSysMonitor(c):
cmd = sync.CommandControl(c)
try:
sm = cmd.SysMonitor
except AttributeError:
# no SysMonotor service
return
lock = threading.Condition()
from tcf.services import sysmonitor
processes = []
def getProcesses():
sm = c.getRemoteService(sysmonitor.NAME)
pending = []
class DoneGetChildren(sysmonitor.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from SysMonitor.getChildren", error)
else:
class DoneGetContext(sysmonitor.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log(
"Error from SysMonitor.getContext", error)
else:
processes.append(context)
if not pending:
with lock:
lock.notify()
for ctx_id in context_ids:
pending.append(
sm.getContext(ctx_id, DoneGetContext()))
if not pending:
with lock:
lock.notify()
pending.append(sm.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getProcesses)
lock.wait(5)
print "%d processes found:" % len(processes)
for p in processes:
print p
cmdl = sm.getCommandLine(p.getID()).get()
if cmdl:
print "Command line: ", cmdl
envp = sm.getEnvironment(p.getID()).get()
print "Environment: ", envp
def testMemoryMap(c):
if not _memory:
return
cmd = sync.CommandControl(c)
try:
mm = cmd.MemoryMap
except AttributeError:
# no MemoryMap service
return
map_id = _memory[0]
lock = threading.Condition()
from tcf.services import memorymap # @UnresolvedImport
def getMap():
mm = c.getRemoteService(memorymap.NAME)
class DoneGet(memorymap.DoneGet):
def doneGet(self, token, error, mmap):
if error:
protocol.log("Error from MemoryMap.get", error)
else:
print(mmap)
with lock:
lock.notify()
mm.get(map_id, DoneGet())
with lock:
protocol.invokeLater(getMap)
lock.wait(1)
def setMap():
mm = c.getRemoteService(memorymap.NAME)
class DoneSet(memorymap.DoneSet):
def doneSet(self, token, error):
if error:
protocol.log("Error from MemoryMap.set", error)
with lock:
lock.notify()
mm.set(map_id, {memorymap.PROP_FILE_NAME: "/tmp/system.elf"},
DoneSet())
with lock:
protocol.invokeLater(setMap)
lock.wait(1)
mmap = mm.get(map_id).get()
print("Memory map: " + str(mmap))
def __init__(self, channel, service, command, args):
if isinstance(service, services.Service):
service = service.getName()
self.service = service
self.command = command
self.args = args
t = None
try:
# TODO zero_copy
#zero_copy = channel.isZeroCopySupported()
t = channel.sendCommand(service, command, toJSONSequence(args), self)
except Exception as y:
t = Token()
protocol.invokeLater(self._error, y)
self.token = t
def testPathMap(c):
cmd = sync.CommandControl(c)
try:
pm = cmd.PathMap
except AttributeError:
# no PathMap service
return
lock = threading.Condition()
from tcf.services import pathmap # @UnresolvedImport
def getMap():
pm = c.getRemoteService(pathmap.NAME)
class DoneGet(pathmap.DoneGet):
def doneGet(self, token, error, mmap):
if error:
protocol.log("Error from PathMap.get", error)
else:
print(mmap)
with lock:
lock.notify()
pm.get(DoneGet())
with lock:
protocol.invokeLater(getMap)
lock.wait(1)
def setMap():
pm = c.getRemoteService(pathmap.NAME)
class DoneSet(pathmap.DoneSet):
def doneSet(self, token, error):
if error:
protocol.log("Error from PathMap.set", error)
with lock:
lock.notify()
pm.set({
pathmap.PROP_SOURCE: "/tmp",
pathmap.PROP_DESTINATION: "/home"
}, DoneSet())
with lock:
protocol.invokeLater(setMap)
lock.wait(1)
mmap = pm.get().get()
print("Path map: " + str(mmap))
def resume(context):
"""Resume a runcontrol context.
The given *context* should be a RunControlContext, so that its resume()
method may be called.
:param context: A runcontrol context to resume.
:type process: RunControlContext
:returns: **None**, always.
"""
def callResume(context, condition):
"""Asynchronous request to resume runcontrol context.
:param context: The TCF RunControlContext to resume.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:returns: **None**, always.
"""
class DoneResume(runcontrol.DoneCommand):
"""Client call back interface for RunControlContext.resume()."""
def doneCommand(self, token, error):
"""Called when run control command execution is complete.
:param token: pending command handle.
:param error: command execution error or **None**.
"""
if error:
protocol.log("Error from RunContext.resume", error)
with condition:
condition.notify()
# Resume context with RM_RESUME mode, 1 time. No resume properties.
context.resume(runcontrol.RM_RESUME, 1, {}, DoneResume())
# create a condition to wait on
lock = threading.Condition()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callResume, context=context, condition=lock)
lock.wait(10)
def resume(context):
"""Resume a runcontrol context.
The given *context* should be a RunControlContext, so that its resume()
method may be called.
:param context: A runcontrol context to resume.
:type process: RunControlContext
:returns: **None**, always.
"""
def callResume(context, condition):
"""Asynchronous request to resume runcontrol context.
:param context: The TCF RunControlContext to resume.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:returns: **None**, always.
"""
class DoneResume(runcontrol.DoneCommand):
"""Client call back interface for RunControlContext.resume()."""
def doneCommand(self, token, error):
"""Called when run control command execution is complete.
:param token: pending command handle.
:param error: command execution error or **None**.
"""
if error:
protocol.log("Error from RunContext.resume", error)
with condition:
condition.notify()
# Resume context with RM_RESUME mode, 1 time. No resume properties.
context.resume(runcontrol.RM_RESUME, 1, {}, DoneResume())
# create a condition to wait on
lock = threading.Condition()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callResume, context=context, condition=lock)
lock.wait(10)
def record(self, service, enable=True):
with self._lock:
listener = self._listeners.get(service)
if listener:
if not enable:
protocol.invokeLater(self._channel.removeEventListener, service, listener)
elif enable:
recorder = self
class Listener(channel.EventListener):
def event(self, name, data):
e = Event(service, name, data)
recorder._event(e)
listener = Listener()
self._listeners[service] = listener
protocol.invokeLater(self._channel.addEventListener, service, listener)
self._recording = enable
def interact(self, banner=None):
try:
try:
ps1 = sys.ps1 # @UndefinedVariable
except AttributeError:
ps1 = None
sys.ps1 = "tcf> "
super(Shell, self).interact(banner)
finally:
if ps1:
sys.ps1 = ps1
else:
del sys.ps1
protocol.invokeLater(protocol.removeChannelOpenListener, self)
protocol.shutdownDiscovery()
protocol.getEventQueue().shutdown()
def interact(self, banner=None):
try:
try:
ps1 = sys.ps1 # @UndefinedVariable
except AttributeError:
ps1 = None
sys.ps1 = "tcf> "
super(Shell, self).interact(banner)
finally:
if ps1:
sys.ps1 = ps1
else:
del sys.ps1
protocol.invokeLater(protocol.removeChannelOpenListener, self)
protocol.shutdownDiscovery()
protocol.getEventQueue().shutdown()
def testMemoryMap(c):
if not _memory:
return
cmd = sync.CommandControl(c)
try:
mm = cmd.MemoryMap
except AttributeError:
# no MemoryMap service
return
map_id = _memory[0]
lock = threading.Condition()
from tcf.services import memorymap
def getMap():
mm = c.getRemoteService(memorymap.NAME)
class DoneGet(memorymap.DoneGet):
def doneGet(self, token, error, mmap):
if error:
protocol.log("Error from MemoryMap.get", error)
else:
print mmap
with lock:
lock.notify()
mm.get(map_id, DoneGet())
with lock:
protocol.invokeLater(getMap)
lock.wait(1)
def setMap():
mm = c.getRemoteService(memorymap.NAME)
class DoneSet(memorymap.DoneSet):
def doneSet(self, token, error):
if error:
protocol.log("Error from MemoryMap.set", error)
with lock:
lock.notify()
mm.set(
id,
{memorymap.PROP_FILE_NAME: "/tmp/system.elf"},
DoneSet())
with lock:
protocol.invokeLater(setMap)
lock.wait(1)
mmap = mm.get(id).get()
print "Memory map:", mmap
def __write_output(self):
try:
while True:
msg = None
last = False
with self.out_lock:
while len(self.out_queue) == 0:
self.out_lock.wait()
msg = self.out_queue.pop(0)
if not msg: break
last = len(self.out_queue) == 0
if msg.is_canceled:
if last: self.flush()
continue
msg.is_sent = True
if msg.trace:
protocol.invokeLater(self.__traceMessageSent, msg)
self.write(msg.type)
self.write(0)
if msg.token:
self.write(msg.token.id)
self.write(0)
if msg.service:
self.write(msg.service.encode("UTF8"))
self.write(0)
if msg.name:
self.write(msg.name.encode("UTF8"))
self.write(0)
if msg.data:
self.write(msg.data)
self.write(EOM)
delay = 0
level = self.remote_congestion_level
if level > 0: delay = level * 10
if last or delay > 0: self.flush()
if delay > 0: time.sleep(delay / 1000.0)
#else yield()
self.write(EOS)
self.write(EOM)
self.flush()
except Exception as x:
try:
protocol.invokeLater(self.terminate, x)
except:
# TCF event dispatcher has shut down
pass
def __init__(self, target=None, *args, **kwargs):
"""
Construct a TCF task object and schedule it for execution.
"""
if target:
kwargs["done"] = self.__done
else:
target = self.run
self._target = target
self._args = args
self._kwargs = kwargs
self._lock = threading.Condition()
self.__channel = kwargs.pop("channel", None)
protocol.invokeLater(self.__doRun)
timeout = kwargs.pop("timeout", None)
if timeout:
protocol.invokeLaterWithDelay(timeout, self.cancel)
def getService(connection, name):
"""Get a service proxy.
The service proxy named *name* is retrieved from *connection*. If it
exists (returned value is not **None**), it is then possible to send it
TCF requests.
:param connection: The connection to get service proxy from.
:param name: The name of the service proxy to get from *connection*.
:returns: A service proxy or **None**.
"""
def callGetService(connection, condition, val):
"""Asynchronous request to get service proxy.
:param connection: The connection to get service proxy from.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
svc = connection.getRemoteService(name)
val.setValue(svc)
with condition:
condition.notify()
# create a condition to wait on, and a value to get the service proxy
lock = threading.Condition()
value = TcfValue()
with lock:
# Asynchronously call for the callGetService function.
protocol.invokeLater(callGetService,
connection=connection,
condition=lock,
val=value)
lock.wait(5)
# Return TCF service proxy. May be None on timeout or missing service.
return (value.getValue())
def test():
global _services
protocol.startEventQueue()
atexit.register(protocol.getEventQueue().shutdown)
# testTimer()
try:
c = tcf.connect("TCP:127.0.0.1:1534")
except Exception as e:
protocol.log(e)
sys.exit()
assert c.state == channel.STATE_OPEN
if __TRACE:
protocol.invokeAndWait(c.addTraceListener, TraceListener())
_services = sorted(protocol.invokeAndWait(c.getRemoteServices))
print("services=" + str(_services))
if "RunControl" in _services:
# RunControl must be first
_services.remove("RunControl")
_services.insert(0, "RunControl")
for service in _services:
testFct = globals().get("test" + service)
if testFct:
print("Testing service '%s'..." % service)
try:
testFct(c)
print("Completed test of service '%s'." % service)
except Exception as e:
protocol.log("Exception testing %s" % service, e)
else:
print("No test for service '%s' found." % service)
try:
testSyncCommands(c)
testTasks(c)
testEvents(c)
testDataCache(c)
except Exception as e:
protocol.log(e)
if c.state == channel.STATE_OPEN:
time.sleep(5)
protocol.invokeLater(c.close)
time.sleep(2)
def test():
global _services
protocol.startEventQueue()
atexit.register(protocol.getEventQueue().shutdown)
# testTimer()
try:
c = tcf.connect("TCP:127.0.0.1:1534")
except Exception as e:
protocol.log(e)
sys.exit()
assert c.state == channel.STATE_OPEN
if __TRACE:
protocol.invokeAndWait(c.addTraceListener, TraceListener())
_services = protocol.invokeAndWait(c.getRemoteServices)
print "services=", _services
if "RunControl" in _services:
# RunControl must be first
_services.remove("RunControl")
_services.insert(0, "RunControl")
for service in _services:
testFct = globals().get("test" + service)
if testFct:
print "Testing service '%s'..." % service
try:
testFct(c)
print "Completed test of service '%s'." % service
except Exception as e:
protocol.log("Exception testing %s" % service, e)
else:
print "No test for service '%s' found." % service
try:
testSyncCommands(c)
testTasks(c)
testEvents(c)
testDataCache(c)
except Exception as e:
protocol.log(e)
if c.state == channel.STATE_OPEN:
time.sleep(5)
protocol.invokeLater(c.close)
time.sleep(2)
def __init__(self, remote_peer, host, port):
super(ChannelTCP, self).__init__(remote_peer)
self.closed = False
self.started = False
channel = self
class CreateSocket(object):
def __call__(self):
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((host, port))
sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
channel.socket = sock
channel._onSocketConnected(None)
except Exception as x:
channel._onSocketConnected(x)
protocol.invokeLater(CreateSocket())
def getService(connection, name):
"""Get a service proxy.
The service proxy named *name* is retrieved from *connection*. If it
exists (returned value is not **None**), it is then possible to send it
TCF requests.
:param connection: The connection to get service proxy from.
:param name: The name of the service proxy to get from *connection*.
:returns: A service proxy or **None**.
"""
def callGetService(connection, condition, val):
"""Asynchronous request to get service proxy.
:param connection: The connection to get service proxy from.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
svc = connection.getRemoteService(name)
val.setValue(svc)
with condition:
condition.notify()
# create a condition to wait on, and a value to get the service proxy
lock = threading.Condition()
value = TcfValue()
with lock:
# Asynchronously call for the callGetService function.
protocol.invokeLater(callGetService, connection=connection,
condition=lock, val=value)
lock.wait(5)
# Return TCF service proxy. May be None on timeout or missing service.
return (value.getValue())
def testPathMap(c):
cmd = sync.CommandControl(c)
try:
pm = cmd.PathMap
except AttributeError:
# no PathMap service
return
lock = threading.Condition()
from tcf.services import pathmap
def getMap():
pm = c.getRemoteService(pathmap.NAME)
class DoneGet(pathmap.DoneGet):
def doneGet(self, token, error, mmap):
if error:
protocol.log("Error from PathMap.get", error)
else:
print mmap
with lock:
lock.notify()
pm.get(DoneGet())
with lock:
protocol.invokeLater(getMap)
lock.wait(1)
def setMap():
pm = c.getRemoteService(pathmap.NAME)
class DoneSet(pathmap.DoneSet):
def doneSet(self, token, error):
if error:
protocol.log("Error from PathMap.set", error)
with lock:
lock.notify()
pm.set({pathmap.PROP_SOURCE: "/tmp",
pathmap.PROP_DESTINATION: "/home"}, DoneSet())
with lock:
protocol.invokeLater(setMap)
lock.wait(1)
mmap = pm.get().get()
print "Path map:", mmap
def testMemory(c):
lock = threading.Condition()
from tcf.services import memory # @UnresolvedImport
def getContexts():
mem = c.getRemoteService(memory.NAME)
pending = []
class DoneGetContext(memory.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log("Error from Memory.getContext", error)
else:
print(context)
if len(pending) == 0:
with lock:
lock.notify()
class DoneGetChildren(memory.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from Memory.GetChildren", error)
else:
for c in context_ids:
_memory.append(c)
pending.append(mem.getContext(c, DoneGetContext()))
pending.append(mem.getChildren(c, self))
if len(pending) == 0:
with lock:
lock.notify()
pending.append(mem.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getContexts)
lock.wait(5)
def testDataCache(c):
from tcf.util import cache # @UnresolvedImport
from tcf.services import runcontrol # @UnresolvedImport
if runcontrol.NAME not in _services:
return
class ContextsCache(cache.DataCache):
def startDataRetrieval(self):
rc = self._channel.getRemoteService(runcontrol.NAME)
if not rc:
self.set(None, Exception("No RunControl service"), None)
return
cache = self
pending = []
contexts = []
class DoneGetChildren(runcontrol.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from RunControl.GetChildren",
error)
else:
for c in context_ids:
contexts.append(c)
pending.append(rc.getChildren(c, self))
if len(pending) == 0:
cache.set(None, None, contexts)
pending.append(rc.getChildren(None, DoneGetChildren()))
contextsCache = ContextsCache(c)
def done():
print("ContextsCache is valid: " + str(contextsCache.getData()))
protocol.invokeLater(contextsCache.validate, done)
def testProcesses(c):
from tcf.services import processes, processes_v1
lock = threading.Condition()
def processTest():
proc = c.getRemoteService(processes_v1.NAME) or \
c.getRemoteService(processes.NAME)
if not proc:
with lock:
lock.notify()
return
class DoneGetChildren(processes.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
if error:
protocol.log("Error from Processes.GetChildren", error)
else:
print "Processes:", context_ids
with lock:
lock.notify()
proc.getChildren(None, False, DoneGetChildren())
with lock:
protocol.invokeLater(processTest)
lock.wait(5)
def run(self):
try:
while True:
n = self.channel.read()
if n == EOM: continue
if n == EOS:
try:
self.eos_err_report = self.readBytes(EOM)
reportLen = len(self.eos_err_report)
if reportLen == 0 or reportLen == 1 and self.eos_err_report[0] == 0:
self.eos_err_report = None
except:
pass
break
msg = Message(n)
if self.channel.read() != 0: self.error()
typeCode = msg.type
if typeCode == 'C':
msg.token = Token(self.readBytes(0))
msg.service = self.readString()
msg.name = self.readString()
msg.data = self.readBytes(EOM)
elif typeCode in 'PRN':
msg.token = Token(self.readBytes(0))
msg.data = self.readBytes(EOM)
elif typeCode == 'E':
msg.service = self.readString()
msg.name = self.readString()
msg.data = self.readBytes(EOM)
elif typeCode == 'F':
msg.data = self.readBytes(EOM)
else:
self.error()
protocol.invokeLater(self.handleInput, msg)
delay = self.channel.local_congestion_level
if delay > 0: time.sleep(delay / 1000.0)
protocol.invokeLater(self.handleEOS)
except Exception as x:
try:
x.tb = sys.exc_info()[2]
protocol.invokeLater(self.channel.terminate, x)
except:
# TCF event dispatcher has shut down
pass
def test():
protocol.startEventQueue()
atexit.register(protocol.getEventQueue().shutdown)
#testTimer()
try:
c = tcf.connect("TCP:127.0.0.1:1534")
except Exception as e:
protocol.log(e)
sys.exit()
assert c.state == channel.STATE_OPEN
if __TRACE: protocol.invokeLater(c.addTraceListener, TraceListener())
def printServices():
print "services=", c.getRemoteServices()
protocol.invokeLater(printServices)
try:
testRunControl(c)
testStackTrace(c)
testDisassembly(c)
testBreakpoints(c)
testSymbols(c)
testRegisters(c)
testExpressions(c)
testLineNumbers(c)
testSyncCommands(c)
testTasks(c)
testEvents(c)
testDataCache(c)
testProcesses(c)
testFileSystem(c)
testMemory(c)
testMemoryMap(c)
testPathMap(c)
testSysMonitor(c)
except Exception as e:
protocol.log(e)
if c.state == channel.STATE_OPEN:
time.sleep(5)
protocol.invokeLater(c.close)
time.sleep(2)
def start(connection, path, *args):
"""Start a new process in suspended mode for the given connection.
:param connection: The TCF connection to use services from.
:param path: Path of the executable to start.
:param args: command line arguments.
"""
def callStart(connection, condition, path, arguments, val):
"""Asynchronous request to start a process.
:param connection: The TCF connection to get processes service from.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param path: Path of the process to start on the target
:param arguments: A list of program arguments for *path*
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
# get connection's processes service
proc = connection.getRemoteService(processes_v1.NAME) or \
connection.getRemoteService(processes.NAME)
if not proc:
with condition:
print 'No processes service available'
condition.notify()
return
class DoneStart(processes.DoneStart):
"""Client callback interface for ProcessesService.start()."""
def doneStart(self, token, error, process):
"""Called when process start is done.
:param token: pending command handle.
:param error: error description if operation failed, **None**
if succeeded.
:param process: ProcessContext object representing the started
process.
"""
if error:
protocol.log("Error from Processes.start", error)
else:
val.setValue(process)
with condition:
condition.notify()
# depending on the service, the start method only does 'doAttach', or
# take a dictionnary of options
if (proc.getName() == processes_v1.NAME):
opts = {processes_v1.START_ATTACH: True,
processes_v1.START_USE_TERMINAL: True}
else:
opts = True
# start the process itself
cmdLine = [path]
if arguments:
cmdLine += arguments
proc.start(os.path.dirname(path), path, cmdLine, None, opts,
DoneStart())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callStart, connection=connection, condition=lock,
path=path, arguments=args, val=value)
lock.wait(10)
return (value.getValue())
def start(connection, path, *args):
"""Start a new process in suspended mode for the given connection.
:param connection: The TCF connection to use services from.
:param path: Path of the executable to start.
:param args: command line arguments.
"""
def callStart(connection, condition, path, arguments, val):
"""Asynchronous request to start a process.
:param connection: The TCF connection to get processes service from.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param path: Path of the process to start on the target
:param arguments: A list of program arguments for *path*
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
# get connection's processes service
proc = connection.getRemoteService(processes_v1.NAME) or \
connection.getRemoteService(processes.NAME)
if not proc:
with condition:
print('No processes service available')
condition.notify()
return
class DoneStart(processes.DoneStart):
"""Client callback interface for ProcessesService.start()."""
def doneStart(self, token, error, process):
"""Called when process start is done.
:param token: pending command handle.
:param error: error description if operation failed, **None**
if succeeded.
:param process: ProcessContext object representing the started
process.
"""
if error:
protocol.log("Error from Processes.start", error)
else:
val.setValue(process)
with condition:
condition.notify()
# depending on the service, the start method only does 'doAttach', or
# take a dictionnary of options
if (proc.getName() == processes_v1.NAME):
opts = {
processes_v1.START_ATTACH: True,
processes_v1.START_USE_TERMINAL: True
}
else:
opts = True
# start the process itself
cmdLine = [path]
if arguments:
cmdLine += arguments
proc.start(os.path.dirname(path), path, cmdLine, None, opts,
DoneStart())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callStart,
connection=connection,
condition=lock,
path=path,
arguments=args,
val=value)
lock.wait(10)
return (value.getValue())
def state(context):
"""Get the state of a RunControlContext.
Getting the state of a RunControlContext is asynchronous.
:param context: The context to get state for.
:type context: RunControlContext
:returns: A tuple of four elements representing the RunControl context
state :
- A boolean stating if the context id suspended or not
- An integer repesenting the program counter of the context
(if it is suspended)
- A string representing the reason why the context is
suspended
- A dictionary of properties stating why the suspended state
properties (see runcontrol.STATE_*)
"""
def callGetState(context, condition, val):
"""Asynchronous request to get the context state.
:param context: The RunControlContext to get state for.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
class DoneGetState(runcontrol.DoneGetState):
"""Client call back class for RunControlContext.getState()."""
def doneGetState(self, token, error, suspended, pc, reason,
params):
"""Called when RunControlContext.getState() command execution
is complete.
:param token: pending command handle.
:param error: command execution error or None.
:param suspended: true if the context is suspended
:param pc: program counter of the context (if suspended).
:param reason: suspend reason (if suspended), see REASON_*.
:param params: additional target specific data about context
state, see STATE_*.
"""
if error:
protocol.log("Error from runcontrol.getState()", error)
else:
val.setValue((suspended, pc, reason, params))
with condition:
condition.notify()
# start the process itself
context.getState(DoneGetState())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callGetState,
context=context,
condition=lock,
val=value)
lock.wait(10)
return (value.getValue())
def testRunControl(c):
lock = threading.Condition()
from tcf.services import runcontrol # @UnresolvedImport
def getContexts():
rctrl = c.getRemoteService(runcontrol.NAME)
pending = []
class DoneGetContext(runcontrol.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log("Error from RunControl.getContext", error)
else:
print(context)
class DoneGetState(runcontrol.DoneGetState):
def doneGetState(self, token, error, suspended, pc, reason,
params):
pending.remove(token)
if error:
protocol.log("Error from RunControl.getState",
error)
else:
print("suspended: " + str(suspended))
print("pc: " + str(pc))
print("reason: " + str(reason))
print("params: " + str(params))
if suspended:
_suspended.append(context.getID())
if len(pending) == 0:
with lock:
lock.notify()
if context and context.hasState():
pending.append(context.getState(DoneGetState()))
if len(pending) == 0:
with lock:
lock.notify()
class DoneGetChildren(runcontrol.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from RunControl.GetChildren", error)
else:
for c in context_ids:
pending.append(rctrl.getContext(c, DoneGetContext()))
pending.append(rctrl.getChildren(c, self))
if len(pending) == 0:
with lock:
lock.notify()
pending.append(rctrl.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getContexts)
lock.wait(5)
def listenerTest():
rc = c.getRemoteService(runcontrol.NAME)
class RCListener(runcontrol.RunControlListener):
def contextSuspended(self, *args):
print("context suspended: " + str(args))
rc.removeListener(self)
def contextResumed(self, *args):
print("context resumed: " + str(args))
def containerSuspended(self, *args):
print("container suspended: " + str(args))
rc.removeListener(self)
def containerResumed(self, *args):
print("container resumed: " + str(args))
rc.addListener(RCListener())
class DoneGetContext(runcontrol.DoneGetContext):
def doneGetContext(self, token, error, context):
if error:
protocol.log("Error from RunControl.getContext", error)
with lock:
lock.notify()
return
class DoneResume(runcontrol.DoneCommand):
def doneCommand(self, token, error):
if error:
protocol.log("Error from RunControl.resume", error)
else:
context.suspend(runcontrol.DoneCommand())
with lock:
lock.notify()
context.resume(runcontrol.RM_RESUME, 1, None, DoneResume())
rc.getContext(_suspended[0], DoneGetContext())
if _suspended:
with lock:
protocol.invokeLater(listenerTest)
lock.wait(5)
_suspended.pop(0)
def testRunControl(c):
lock = threading.Condition()
from tcf.services import runcontrol
def getContexts():
rctrl = c.getRemoteService(runcontrol.NAME)
pending = []
class DoneGetContext(runcontrol.DoneGetContext):
def doneGetContext(self, token, error, context):
pending.remove(token)
if error:
protocol.log("Error from RunControl.getContext", error)
else:
print context
class DoneGetState(runcontrol.DoneGetState):
def doneGetState(self, token, error, suspended, pc, reason,
params):
pending.remove(token)
if error:
protocol.log(
"Error from RunControl.getState", error)
else:
print "suspended: ", suspended
print "pc: ", pc
print "reason: ", reason
print "params: ", params
if suspended:
_suspended.append(context.getID())
if len(pending) == 0:
with lock:
lock.notify()
if context and context.hasState():
pending.append(context.getState(DoneGetState()))
if len(pending) == 0:
with lock:
lock.notify()
class DoneGetChildren(runcontrol.DoneGetChildren):
def doneGetChildren(self, token, error, context_ids):
pending.remove(token)
if error:
protocol.log("Error from RunControl.GetChildren", error)
else:
for c in context_ids:
pending.append(rctrl.getContext(c, DoneGetContext()))
pending.append(rctrl.getChildren(c, self))
if len(pending) == 0:
with lock:
lock.notify()
pending.append(rctrl.getChildren(None, DoneGetChildren()))
with lock:
protocol.invokeLater(getContexts)
lock.wait(5)
def listenerTest():
rc = c.getRemoteService(runcontrol.NAME)
class RCListener(runcontrol.RunControlListener):
def contextSuspended(self, *args):
print "context suspended: ", args
rc.removeListener(self)
def contextResumed(self, *args):
print "context resumed: ", args
def containerSuspended(self, *args):
print "container suspended:", args
rc.removeListener(self)
def containerResumed(self, *args):
print "container resumed:", args
rc.addListener(RCListener())
class DoneGetContext(runcontrol.DoneGetContext):
def doneGetContext(self, token, error, context):
if error:
protocol.log("Error from RunControl.getContext", error)
with lock:
lock.notify()
return
class DoneResume(runcontrol.DoneCommand):
def doneCommand(self, token, error):
if error:
protocol.log("Error from RunControl.resume", error)
else:
context.suspend(runcontrol.DoneCommand())
with lock:
lock.notify()
context.resume(runcontrol.RM_RESUME, 1, None, DoneResume())
rc.getContext(_suspended[0], DoneGetContext())
if _suspended:
with lock:
protocol.invokeLater(listenerTest)
lock.wait(5)
def testRegisters(c):
if not _suspended:
return
from tcf.services import registers # @UnresolvedImport
lock = threading.Condition()
def regTest(ctx_id):
regs = c.getRemoteService(registers.NAME)
pending = []
def onDone():
with lock:
lock.notify()
class DoneGetChildren(registers.DoneGetChildren):
def doneGetChildren(self, token, error, ctx_ids):
pending.remove(token)
if error:
protocol.log("Error from Registers.getChildren", error)
if not pending:
onDone()
class DoneGetContext(registers.DoneGetContext):
def doneGetContext(self, token, error, ctx):
pending.remove(token)
if error:
protocol.log("Error from Registers.getContext",
error)
else:
print(ctx)
if ctx.isReadable() and not ctx.isReadOnce() \
and ctx.getSize() >= 2:
locs = []
locs.append(
registers.Location(ctx.getID(), 0, 1))
locs.append(
registers.Location(ctx.getID(), 1, 1))
class DoneGetM(registers.DoneGet):
def doneGet(self, token, error, value):
pending.remove(token)
if error:
protocol.log(
"Error from Registers.getm",
error)
else:
print("getm " + str(ctx.getID()) +
" " +
str(list(map(int, value))))
if not pending:
onDone()
pending.append(regs.getm(locs, DoneGetM()))
if ctx.isWriteable() and not ctx.isWriteOnce() \
and ctx.getSize() >= 2:
locs = []
locs.append(
registers.Location(ctx.getID(), 0, 1))
locs.append(
registers.Location(ctx.getID(), 1, 1))
class DoneSetM(registers.DoneSet):
def doneGet(self, token, error):
pending.remove(token)
if error:
protocol.log(
"Error from Registers.setm",
error)
if not pending:
onDone()
pending.append(
regs.setm(locs, (255, 255), DoneSetM()))
if not pending:
onDone()
if ctx_ids:
for ctx_id in ctx_ids:
pending.append(
regs.getContext(ctx_id, DoneGetContext()))
pending.append(regs.getChildren(ctx_id, DoneGetChildren()))
with lock:
for ctx_id in _suspended:
protocol.invokeLater(regTest, ctx_id)
lock.wait(5)
def getContext(service, contextID):
"""Get a TCF context from a given service.
As most of the TCF services have a **getContext()** command, this
function is intended to define a generic **getContext()** call which
can address any service.
As the function returns a context object, it is up to the caller to use it
appropriately.
For example, for the runcontrol service, check if the runcontrol context is
a container :
.. code-block:: python
import tcf
import tcf.services.runcontrol as runcontrol
c = tcf.connect("TCP:127.0.0.1:1534")
rcSvc = getService(c, runcontrol.NAME)
rcIDs = getChildren(rcSvc, None)
rcContext = getContext(rcSvc, rcIDs[0])
print('Runcontrol context is a container: ' +
str(rcContext.isContainer()))
:param service: The TCF service to get context from.
:param contextID: ID of the context to get from *service*
:returns: A context properties dictionnary, or **None** on error.
"""
def callGetContext(service, condition, val):
"""Asynchronous request to get context properties.
:param service: The TCF service proxy to send request to.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
class DoneGetContext(object):
"""Client callback class for <service>.getContext() command."""
def doneGetContext(self, token, error, context):
"""Called when context data retrieval is done.
:param token: pending command handle.
:param error: error description if operation failed, **None**
if succeeded.
:param context: context data.
"""
if error:
protocol.log(
"Error from " + service.getName() + ".getContext()",
error)
else:
val.setValue(context)
with condition:
condition.notify()
# start the process itself
service.getContext(contextID, DoneGetContext())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callGetContext,
service=service,
condition=lock,
val=value)
lock.wait(10)
# Return the context properties, or None on error
return (value.getValue())
def testBreakpoints(c):
from tcf.services import breakpoints # @UnresolvedImport
def testBPQuery():
bps = c.getRemoteService(breakpoints.NAME)
def doneGetIDs(token, error, ids):
if error:
protocol.log("Error from Breakpoints.getIDs", error)
return
print("Breakpoints : " + str(ids))
def doneGetProperties(token, error, props):
if error:
protocol.log("Error from Breakpoints.getProperties", error)
return
print("Breakpoint Properties: " + str(props))
def doneGetStatus(token, error, props):
if error:
protocol.log("Error from Breakpoints.getStatus", error)
return
print("Breakpoint Status: " + str(props))
for bpid in ids:
bps.getProperties(bpid, doneGetProperties)
bps.getStatus(bpid, doneGetStatus)
bps.getIDs(doneGetIDs)
protocol.invokeLater(testBPQuery)
def testBPSet():
bpsvc = c.getRemoteService(breakpoints.NAME)
class BPListener(breakpoints.BreakpointsListener):
def breakpointStatusChanged(self, bpid, status):
print("breakpointStatusChanged " + str(bpid) + " " +
str(status))
def contextAdded(self, bps):
print("breakpointAdded " + str(bps))
bpsvc.removeListener(self)
def contextChanged(self, bps):
print("breakpointChanged " + str(bps))
def contextRemoved(self, ids):
print("breakpointRemoved " + str(ids))
bpsvc.addListener(BPListener())
def doneSet(token, error):
if error:
protocol.log("Error from Breakpoints.set", error)
return
bp = {
breakpoints.PROP_ID: "python:1",
breakpoints.PROP_ENABLED: True,
breakpoints.PROP_LOCATION: "sysClkRateGet"
}
bpsvc.set([bp], doneSet)
protocol.invokeLater(testBPSet)
def state(context):
"""Get the state of a RunControlContext.
Getting the state of a RunControlContext is asynchronous.
:param context: The context to get state for.
:type context: RunControlContext
:returns: A tuple of four elements representing the RunControl context
state :
- A boolean stating if the context id suspended or not
- An integer repesenting the program counter of the context
(if it is suspended)
- A string representing the reason why the context is
suspended
- A dictionary of properties stating why the suspended state
properties (see runcontrol.STATE_*)
"""
def callGetState(context, condition, val):
"""Asynchronous request to get the context state.
:param context: The RunControlContext to get state for.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
class DoneGetState(runcontrol.DoneGetState):
"""Client call back class for RunControlContext.getState()."""
def doneGetState(self, token, error, suspended, pc, reason,
params):
"""Called when RunControlContext.getState() command execution
is complete.
:param token: pending command handle.
:param error: command execution error or None.
:param suspended: true if the context is suspended
:param pc: program counter of the context (if suspended).
:param reason: suspend reason (if suspended), see REASON_*.
:param params: additional target specific data about context
state, see STATE_*.
"""
if error:
protocol.log("Error from runcontrol.getState()", error)
else:
val.setValue((suspended, pc, reason, params))
with condition:
condition.notify()
# start the process itself
context.getState(DoneGetState())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callGetState, context=context, condition=lock,
val=value)
lock.wait(10)
return (value.getValue())
def getChildren(service, contextID=None):
"""Get a TCF context IDs from a given service.
As many TCF services have a **getChildren()** command, this function is
intended to implement a service-independant **getChildren()** command.
:param service: The TCF service to get context list from.
:param contextID: parent ID of the context list to get from *service*.
:returns: A tuple of context IDs. Tuple may be empty on error, or if
*contextID* does not have children.
"""
def callGetChildren(service, condition, val):
"""Asynchronous request to get context children.
:param service: The TCF service proxy to send request to.
:param condition: A threading.Condition the caller is pending on.
Caller is released from waiting through a
Condition.notify() call.
:param val: A TcfValue handling the request returned value.
:returns: **None**, always.
"""
class DoneGetChildren(object):
"""Client callback class for <service>.getChildren() command."""
def doneGetChildren(self, token, error, ids):
"""Called when context list retrieval is done.
:param token: pending command handle.
:param error: error description if operation failed, **None**
if succeeded.
:param context_ids: array of available context IDs.
"""
if error:
protocol.log(
"Error from " + service.getName() + ".getContext()",
error)
else:
val.setValue(ids)
with condition:
condition.notify()
# start the process itself
service.getChildren(contextID, DoneGetChildren())
# create a condition to wait on, and a value to get the children ids
lock = threading.Condition()
value = TcfValue()
with lock:
# TCF requests must be called by the dispatch thread, wait for a
# maximum of 10 seconds
protocol.invokeLater(callGetChildren,
service=service,
condition=lock,
val=value)
lock.wait(10)
# Return the retrieved children IDs, or an empty tuple
return (tuple(value.getValue() or []))
