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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Remove twisted from save/migrate handling.
ChangeSet 1.1327.2.4, 2005/04/22 16:30:43+01:00, mjw@xxxxxxxxxxxxxxxxxxx
Remove twisted from save/migrate handling.
This needs to use threads, so add thread support for
http server requests.
Signed-off-by: Mike Wray <mike.wray@xxxxxx>
web/SrvBase.py | 98 +--------------
web/SrvDir.py | 3
web/connection.py | 29 +++-
web/http.py | 18 +-
web/httpserver.py | 265 ++++++++++++++++++++++++++++++++++++-------
web/protocol.py | 60 +++++++--
xend/XendDomain.py | 5
xend/XendMigrate.py | 224 +++++++++++++++++++++---------------
xend/server/SrvConsole.py | 28 +---
xend/server/SrvConsoleDir.py | 24 +--
xend/server/SrvDaemon.py | 7 -
xend/server/SrvDmesg.py | 22 +--
xend/server/SrvDomain.py | 84 ++++++-------
xend/server/SrvDomainDir.py | 33 ++---
xend/server/SrvNode.py | 36 ++---
xend/server/SrvVnetDir.py | 24 +--
xend/server/SrvXendLog.py | 5
xend/server/usbif.py | 1
18 files changed, 556 insertions(+), 410 deletions(-)
diff -Nru a/tools/python/xen/web/SrvBase.py b/tools/python/xen/web/SrvBase.py
--- a/tools/python/xen/web/SrvBase.py 2005-05-13 16:03:51 -04:00
+++ b/tools/python/xen/web/SrvBase.py 2005-05-13 16:03:51 -04:00
@@ -2,6 +2,7 @@
import types
+
from xen.xend import sxp
from xen.xend import PrettyPrint
from xen.xend.Args import ArgError
@@ -10,6 +11,7 @@
import resource
import http
+import httpserver
import defer
def uri_pathlist(p):
@@ -29,19 +31,8 @@
def use_sxp(self, req):
- """Determine whether to send an SXP response to a request.
- Uses SXP if there is no User-Agent, no Accept, or application/sxp is
in Accept.
-
- req request
- returns 1 for SXP, 0 otherwise
- """
- ok = 0
- user_agent = req.getHeader('User-Agent')
- accept = req.getHeader('Accept')
- if (not user_agent) or (not accept) or (accept.find(sxp.mime_type) >=
0):
- ok = 1
- return ok
-
+ return req.useSxp()
+
def get_op_method(self, op):
"""Get the method for an operation.
For operation 'foo' looks for 'op_foo'.
@@ -60,7 +51,7 @@
The method must return a list when req.use_sxp is true
and an HTML string otherwise (or list).
- Methods may also return a Deferred (for incomplete processing).
+ Methods may also return a ThreadRequest (for incomplete processing).
req request
"""
@@ -76,85 +67,10 @@
req.write("Operation not implemented: " + op)
return ''
else:
- return self._perform(op, op_method, req)
-
- def _perform(self, op, op_method, req):
- try:
- val = op_method(op, req)
- except Exception, err:
- self._perform_err(err, op, req)
- return ''
-
- if isinstance(val, defer.Deferred):
- val.addCallback(self._perform_cb, op, req, dfr=1)
- val.addErrback(self._perform_err, op, req, dfr=1)
- return server.NOT_DONE_YET
- else:
- self._perform_cb(val, op, req, dfr=0)
- return ''
-
- def _perform_cb(self, val, op, req, dfr=0):
- """Callback to complete the request.
- May be called from a Deferred.
-
- @param err: the error
- @param req: request causing the error
- @param dfr: deferred flag
- """
- if isinstance(val, resource.ErrorPage):
- req.write(val.render(req))
- elif self.use_sxp(req):
- req.setHeader("Content-Type", sxp.mime_type)
- sxp.show(val, out=req)
- else:
- req.write('<html><head></head><body>')
- self.print_path(req)
- if isinstance(val, types.ListType):
- req.write('<code><pre>')
- PrettyPrint.prettyprint(val, out=req)
- req.write('</pre></code>')
- else:
- req.write(str(val))
- req.write('</body></html>')
- if dfr:
- req.finish()
-
- def _perform_err(self, err, op, req, dfr=0):
- """Error callback to complete a request.
- May be called from a Deferred.
-
- @param err: the error
- @param req: request causing the error
- @param dfr: deferred flag
- """
- if not (isinstance(err, ArgError) or
- isinstance(err, sxp.ParseError) or
- isinstance(err, XendError)):
- if dfr:
- return err
- else:
- raise
- #log.exception("op=%s: %s", op, str(err))
- if self.use_sxp(req):
- req.setHeader("Content-Type", sxp.mime_type)
- sxp.show(['xend.err', str(err)], out=req)
- else:
- req.setHeader("Content-Type", "text/plain")
- req.write('Error ')
- req.write(': ')
- req.write(str(err))
- if dfr:
- req.finish()
-
+ return op_method(op, req)
def print_path(self, req):
"""Print the path with hyperlinks.
"""
- pathlist = [x for x in req.prepath if x != '' ]
- s = "/"
- req.write('<h1><a href="/">/</a>')
- for x in pathlist:
- s += x + "/"
- req.write(' <a href="%s">%s</a>/' % (s, x))
- req.write("</h1>")
+ req.printPath()
diff -Nru a/tools/python/xen/web/SrvDir.py b/tools/python/xen/web/SrvDir.py
--- a/tools/python/xen/web/SrvDir.py 2005-05-13 16:03:51 -04:00
+++ b/tools/python/xen/web/SrvDir.py 2005-05-13 16:03:51 -04:00
@@ -47,9 +47,6 @@
self.table = {}
self.order = []
- def __repr__(self):
- return "<SrvDir %x %s>" %(id(self), self.table.keys())
-
def noChild(self, msg):
return resource.ErrorPage(http.NOT_FOUND, msg=msg)
diff -Nru a/tools/python/xen/web/connection.py
b/tools/python/xen/web/connection.py
--- a/tools/python/xen/web/connection.py 2005-05-13 16:03:51 -04:00
+++ b/tools/python/xen/web/connection.py 2005-05-13 16:03:51 -04:00
@@ -72,6 +72,8 @@
return True
def dataReceived(self, data):
+ if not self.connected:
+ return True
if not self.protocol:
return True
try:
@@ -79,7 +81,7 @@
except SystemExit:
raise
except Exception, ex:
- self.disconnect(ex)
+ self.loseConnection(ex)
return True
return False
@@ -261,7 +263,7 @@
except SystemExit:
raise
except Exception, ex:
- self.disconnect(ex)
+ self.loseConnection(ex)
def mainLoop(self):
# Something a protocol could call.
@@ -282,7 +284,7 @@
if ex.args[0] in (EWOULDBLOCK, EAGAIN, EINTR):
return False
else:
- self.disconnect(ex)
+ self.loseConnection(ex)
return True
def read(self):
@@ -293,7 +295,7 @@
if ex.args[0] in (EWOULDBLOCK, EAGAIN, EINTR):
return None
else:
- self.disconnect(ex)
+ self.loseConnection(ex)
return True
def dataReceived(self, data):
@@ -304,11 +306,11 @@
except SystemExit:
raise
except Exception, ex:
- self.disconnect(ex)
+ self.loseConnection(ex)
return True
return False
- def disconnect(self, reason=None):
+ def loseConnection(self, reason=None):
self.thread = None
self.closeSocket(reason)
self.closeProtocol(reason)
@@ -350,6 +352,8 @@
def __init__(self, factory):
self.factoryStarted = False
+ self.clientLost = False
+ self.clientFailed = False
self.factory = factory
self.state = "disconnected"
self.transport = None
@@ -364,11 +368,14 @@
if self.state != "disconnected":
raise socket.error(EINVAL, "cannot connect in state " + self.state)
self.state = "connecting"
+ self.clientLost = False
+ self.clientFailed = False
if not self.factoryStarted:
self.factoryStarted = True
self.factory.doStart()
- self.factory.startedConnecting()
+ self.factory.startedConnecting(self)
self.connectTransport()
+ self.state = "connected"
def stopConnecting(self):
if self.state != "connecting":
@@ -380,8 +387,12 @@
return self.factory.buildProtocol(addr)
def connectionLost(self, reason=None):
- self.factory.doStop()
+ if not self.clientLost:
+ self.clientLost = True
+ self.factory.clientConnectionLost(self, reason)
def connectionFailed(self, reason=None):
- self.factory.doStop()
+ if not self.clientFailed:
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