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authorRichard Purdie <rpurdie@linux.intel.com>2010-01-20 18:46:02 +0000
committerRichard Purdie <rpurdie@linux.intel.com>2010-01-20 18:46:02 +0000
commit22c29d8651668195f72e2f6a8e059d625eb511c3 (patch)
treedd1dd43f0ec47a9964c8a766eb8b3ad75cf51a64 /bitbake/lib/bb/server
parent1bfd6edef9db9c9175058ae801d1b601e4f15263 (diff)
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bitbake: Switch to bitbake-dev version (bitbake master upstream)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'bitbake/lib/bb/server')
-rw-r--r--bitbake/lib/bb/server/__init__.py2
-rw-r--r--bitbake/lib/bb/server/none.py181
-rw-r--r--bitbake/lib/bb/server/xmlrpc.py187
3 files changed, 370 insertions, 0 deletions
diff --git a/bitbake/lib/bb/server/__init__.py b/bitbake/lib/bb/server/__init__.py
new file mode 100644
index 000000000..1a732236e
--- /dev/null
+++ b/bitbake/lib/bb/server/__init__.py
@@ -0,0 +1,2 @@
+import xmlrpc
+import none
diff --git a/bitbake/lib/bb/server/none.py b/bitbake/lib/bb/server/none.py
new file mode 100644
index 000000000..ebda11158
--- /dev/null
+++ b/bitbake/lib/bb/server/none.py
@@ -0,0 +1,181 @@
+#
+# BitBake 'dummy' Passthrough Server
+#
+# Copyright (C) 2006 - 2007 Michael 'Mickey' Lauer
+# Copyright (C) 2006 - 2008 Richard Purdie
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""
+ This module implements an xmlrpc server for BitBake.
+
+ Use this by deriving a class from BitBakeXMLRPCServer and then adding
+ methods which you want to "export" via XMLRPC. If the methods have the
+ prefix xmlrpc_, then registering those function will happen automatically,
+ if not, you need to call register_function.
+
+ Use register_idle_function() to add a function which the xmlrpc server
+ calls from within server_forever when no requests are pending. Make sure
+ that those functions are non-blocking or else you will introduce latency
+ in the server's main loop.
+"""
+
+import time
+import bb
+from bb.ui import uievent
+import xmlrpclib
+import pickle
+
+DEBUG = False
+
+from SimpleXMLRPCServer import SimpleXMLRPCServer, SimpleXMLRPCRequestHandler
+import inspect, select
+
+class BitBakeServerCommands():
+ def __init__(self, server, cooker):
+ self.cooker = cooker
+ self.server = server
+
+ def runCommand(self, command):
+ """
+ Run a cooker command on the server
+ """
+ #print "Running Command %s" % command
+ return self.cooker.command.runCommand(command)
+
+ def terminateServer(self):
+ """
+ Trigger the server to quit
+ """
+ self.server.server_exit()
+ #print "Server (cooker) exitting"
+ return
+
+ def ping(self):
+ """
+ Dummy method which can be used to check the server is still alive
+ """
+ return True
+
+eventQueue = []
+
+class BBUIEventQueue:
+ class event:
+ def __init__(self, parent):
+ self.parent = parent
+ @staticmethod
+ def send(event):
+ bb.server.none.eventQueue.append(pickle.loads(event))
+ @staticmethod
+ def quit():
+ return
+
+ def __init__(self, BBServer):
+ self.eventQueue = bb.server.none.eventQueue
+ self.BBServer = BBServer
+ self.EventHandle = bb.event.register_UIHhandler(self)
+
+ def getEvent(self):
+ if len(self.eventQueue) == 0:
+ return None
+
+ return self.eventQueue.pop(0)
+
+ def waitEvent(self, delay):
+ event = self.getEvent()
+ if event:
+ return event
+ self.BBServer.idle_commands(delay)
+ return self.getEvent()
+
+ def queue_event(self, event):
+ self.eventQueue.append(event)
+
+ def system_quit( self ):
+ bb.event.unregister_UIHhandler(self.EventHandle)
+
+class BitBakeServer():
+ # remove this when you're done with debugging
+ # allow_reuse_address = True
+
+ def __init__(self, cooker):
+ self._idlefuns = {}
+ self.commands = BitBakeServerCommands(self, cooker)
+
+ def register_idle_function(self, function, data):
+ """Register a function to be called while the server is idle"""
+ assert callable(function)
+ self._idlefuns[function] = data
+
+ def idle_commands(self, delay):
+ #print "Idle queue length %s" % len(self._idlefuns)
+ #print "Idle timeout, running idle functions"
+ #if len(self._idlefuns) == 0:
+ nextsleep = delay
+ for function, data in self._idlefuns.items():
+ try:
+ retval = function(self, data, False)
+ #print "Idle function returned %s" % (retval)
+ if retval is False:
+ del self._idlefuns[function]
+ elif retval is True:
+ nextsleep = None
+ elif nextsleep is None:
+ continue
+ elif retval < nextsleep:
+ nextsleep = retval
+ except SystemExit:
+ raise
+ except:
+ import traceback
+ traceback.print_exc()
+ pass
+ if nextsleep is not None:
+ #print "Sleeping for %s (%s)" % (nextsleep, delay)
+ time.sleep(nextsleep)
+
+ def server_exit(self):
+ # Tell idle functions we're exiting
+ for function, data in self._idlefuns.items():
+ try:
+ retval = function(self, data, True)
+ except:
+ pass
+
+class BitbakeServerInfo():
+ def __init__(self, server):
+ self.server = server
+ self.commands = server.commands
+
+class BitBakeServerFork():
+ def __init__(self, serverinfo, command, logfile):
+ serverinfo.forkCommand = command
+ serverinfo.logfile = logfile
+
+class BitBakeServerConnection():
+ def __init__(self, serverinfo):
+ self.server = serverinfo.server
+ self.connection = serverinfo.commands
+ self.events = bb.server.none.BBUIEventQueue(self.server)
+
+ def terminate(self):
+ try:
+ self.events.system_quit()
+ except:
+ pass
+ try:
+ self.connection.terminateServer()
+ except:
+ pass
+
diff --git a/bitbake/lib/bb/server/xmlrpc.py b/bitbake/lib/bb/server/xmlrpc.py
new file mode 100644
index 000000000..3364918c7
--- /dev/null
+++ b/bitbake/lib/bb/server/xmlrpc.py
@@ -0,0 +1,187 @@
+#
+# BitBake XMLRPC Server
+#
+# Copyright (C) 2006 - 2007 Michael 'Mickey' Lauer
+# Copyright (C) 2006 - 2008 Richard Purdie
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""
+ This module implements an xmlrpc server for BitBake.
+
+ Use this by deriving a class from BitBakeXMLRPCServer and then adding
+ methods which you want to "export" via XMLRPC. If the methods have the
+ prefix xmlrpc_, then registering those function will happen automatically,
+ if not, you need to call register_function.
+
+ Use register_idle_function() to add a function which the xmlrpc server
+ calls from within server_forever when no requests are pending. Make sure
+ that those functions are non-blocking or else you will introduce latency
+ in the server's main loop.
+"""
+
+import bb
+import xmlrpclib, sys
+from bb import daemonize
+from bb.ui import uievent
+
+DEBUG = False
+
+from SimpleXMLRPCServer import SimpleXMLRPCServer, SimpleXMLRPCRequestHandler
+import inspect, select
+
+if sys.hexversion < 0x020600F0:
+ print "Sorry, python 2.6 or later is required for bitbake's XMLRPC mode"
+ sys.exit(1)
+
+class BitBakeServerCommands():
+ def __init__(self, server, cooker):
+ self.cooker = cooker
+ self.server = server
+
+ def registerEventHandler(self, host, port):
+ """
+ Register a remote UI Event Handler
+ """
+ s = xmlrpclib.Server("http://%s:%d" % (host, port), allow_none=True)
+ return bb.event.register_UIHhandler(s)
+
+ def unregisterEventHandler(self, handlerNum):
+ """
+ Unregister a remote UI Event Handler
+ """
+ return bb.event.unregister_UIHhandler(handlerNum)
+
+ def runCommand(self, command):
+ """
+ Run a cooker command on the server
+ """
+ return self.cooker.command.runCommand(command)
+
+ def terminateServer(self):
+ """
+ Trigger the server to quit
+ """
+ self.server.quit = True
+ print "Server (cooker) exitting"
+ return
+
+ def ping(self):
+ """
+ Dummy method which can be used to check the server is still alive
+ """
+ return True
+
+class BitBakeServer(SimpleXMLRPCServer):
+ # remove this when you're done with debugging
+ # allow_reuse_address = True
+
+ def __init__(self, cooker, interface = ("localhost", 0)):
+ """
+ Constructor
+ """
+ SimpleXMLRPCServer.__init__(self, interface,
+ requestHandler=SimpleXMLRPCRequestHandler,
+ logRequests=False, allow_none=True)
+ self._idlefuns = {}
+ self.host, self.port = self.socket.getsockname()
+ #self.register_introspection_functions()
+ commands = BitBakeServerCommands(self, cooker)
+ self.autoregister_all_functions(commands, "")
+
+ def autoregister_all_functions(self, context, prefix):
+ """
+ Convenience method for registering all functions in the scope
+ of this class that start with a common prefix
+ """
+ methodlist = inspect.getmembers(context, inspect.ismethod)
+ for name, method in methodlist:
+ if name.startswith(prefix):
+ self.register_function(method, name[len(prefix):])
+
+ def register_idle_function(self, function, data):
+ """Register a function to be called while the server is idle"""
+ assert callable(function)
+ self._idlefuns[function] = data
+
+ def serve_forever(self):
+ """
+ Serve Requests. Overloaded to honor a quit command
+ """
+ self.quit = False
+ self.timeout = 0 # Run Idle calls for our first callback
+ while not self.quit:
+ #print "Idle queue length %s" % len(self._idlefuns)
+ self.handle_request()
+ #print "Idle timeout, running idle functions"
+ nextsleep = None
+ for function, data in self._idlefuns.items():
+ try:
+ retval = function(self, data, False)
+ if retval is False:
+ del self._idlefuns[function]
+ elif retval is True:
+ nextsleep = 0
+ elif nextsleep is 0:
+ continue
+ elif nextsleep is None:
+ nextsleep = retval
+ elif retval < nextsleep:
+ nextsleep = retval
+ except SystemExit:
+ raise
+ except:
+ import traceback
+ traceback.print_exc()
+ pass
+ if nextsleep is None and len(self._idlefuns) > 0:
+ nextsleep = 0
+ self.timeout = nextsleep
+ # Tell idle functions we're exiting
+ for function, data in self._idlefuns.items():
+ try:
+ retval = function(self, data, True)
+ except:
+ pass
+
+ self.server_close()
+ return
+
+class BitbakeServerInfo():
+ def __init__(self, server):
+ self.host = server.host
+ self.port = server.port
+
+class BitBakeServerFork():
+ def __init__(self, serverinfo, command, logfile):
+ daemonize.createDaemon(command, logfile)
+
+class BitBakeServerConnection():
+ def __init__(self, serverinfo):
+ self.connection = xmlrpclib.Server("http://%s:%s" % (serverinfo.host, serverinfo.port), allow_none=True)
+ self.events = uievent.BBUIEventQueue(self.connection)
+
+ def terminate(self):
+ # Don't wait for server indefinitely
+ import socket
+ socket.setdefaulttimeout(2)
+ try:
+ self.events.system_quit()
+ except:
+ pass
+ try:
+ self.connection.terminateServer()
+ except:
+ pass
+