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Posted to commits@stratos.apache.org by ni...@apache.org on 2014/10/11 11:09:53 UTC
[28/50] [abbrv] Added WSO2 CEP/BAM Python data publisher Wrote a
sample log publisher
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TProcessPoolServer.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TProcessPoolServer.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TProcessPoolServer.py
new file mode 100644
index 0000000..7a695a8
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TProcessPoolServer.py
@@ -0,0 +1,118 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+
+import logging
+from multiprocessing import Process, Value, Condition, reduction
+
+from TServer import TServer
+from thrift.transport.TTransport import TTransportException
+
+
+class TProcessPoolServer(TServer):
+ """Server with a fixed size pool of worker subprocesses to service requests
+
+ Note that if you need shared state between the handlers - it's up to you!
+ Written by Dvir Volk, doat.com
+ """
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+ self.numWorkers = 10
+ self.workers = []
+ self.isRunning = Value('b', False)
+ self.stopCondition = Condition()
+ self.postForkCallback = None
+
+ def setPostForkCallback(self, callback):
+ if not callable(callback):
+ raise TypeError("This is not a callback!")
+ self.postForkCallback = callback
+
+ def setNumWorkers(self, num):
+ """Set the number of worker threads that should be created"""
+ self.numWorkers = num
+
+ def workerProcess(self):
+ """Loop getting clients from the shared queue and process them"""
+ if self.postForkCallback:
+ self.postForkCallback()
+
+ while self.isRunning.value:
+ try:
+ client = self.serverTransport.accept()
+ self.serveClient(client)
+ except (KeyboardInterrupt, SystemExit):
+ return 0
+ except Exception, x:
+ logging.exception(x)
+
+ def serveClient(self, client):
+ """Process input/output from a client for as long as possible"""
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+ def serve(self):
+ """Start workers and put into queue"""
+ # this is a shared state that can tell the workers to exit when False
+ self.isRunning.value = True
+
+ # first bind and listen to the port
+ self.serverTransport.listen()
+
+ # fork the children
+ for i in range(self.numWorkers):
+ try:
+ w = Process(target=self.workerProcess)
+ w.daemon = True
+ w.start()
+ self.workers.append(w)
+ except Exception, x:
+ logging.exception(x)
+
+ # wait until the condition is set by stop()
+ while True:
+ self.stopCondition.acquire()
+ try:
+ self.stopCondition.wait()
+ break
+ except (SystemExit, KeyboardInterrupt):
+ break
+ except Exception, x:
+ logging.exception(x)
+
+ self.isRunning.value = False
+
+ def stop(self):
+ self.isRunning.value = False
+ self.stopCondition.acquire()
+ self.stopCondition.notify()
+ self.stopCondition.release()
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TServer.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TServer.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TServer.py
new file mode 100644
index 0000000..2f24842
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/TServer.py
@@ -0,0 +1,269 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import Queue
+import logging
+import os
+import sys
+import threading
+import traceback
+
+from thrift.Thrift import TProcessor
+from thrift.protocol import TBinaryProtocol
+from thrift.transport import TTransport
+
+
+class TServer:
+ """Base interface for a server, which must have a serve() method.
+
+ Three constructors for all servers:
+ 1) (processor, serverTransport)
+ 2) (processor, serverTransport, transportFactory, protocolFactory)
+ 3) (processor, serverTransport,
+ inputTransportFactory, outputTransportFactory,
+ inputProtocolFactory, outputProtocolFactory)
+ """
+ def __init__(self, *args):
+ if (len(args) == 2):
+ self.__initArgs__(args[0], args[1],
+ TTransport.TTransportFactoryBase(),
+ TTransport.TTransportFactoryBase(),
+ TBinaryProtocol.TBinaryProtocolFactory(),
+ TBinaryProtocol.TBinaryProtocolFactory())
+ elif (len(args) == 4):
+ self.__initArgs__(args[0], args[1], args[2], args[2], args[3], args[3])
+ elif (len(args) == 6):
+ self.__initArgs__(args[0], args[1], args[2], args[3], args[4], args[5])
+
+ def __initArgs__(self, processor, serverTransport,
+ inputTransportFactory, outputTransportFactory,
+ inputProtocolFactory, outputProtocolFactory):
+ self.processor = processor
+ self.serverTransport = serverTransport
+ self.inputTransportFactory = inputTransportFactory
+ self.outputTransportFactory = outputTransportFactory
+ self.inputProtocolFactory = inputProtocolFactory
+ self.outputProtocolFactory = outputProtocolFactory
+
+ def serve(self):
+ pass
+
+
+class TSimpleServer(TServer):
+ """Simple single-threaded server that just pumps around one transport."""
+
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+
+ def serve(self):
+ self.serverTransport.listen()
+ while True:
+ client = self.serverTransport.accept()
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+
+class TThreadedServer(TServer):
+ """Threaded server that spawns a new thread per each connection."""
+
+ def __init__(self, *args, **kwargs):
+ TServer.__init__(self, *args)
+ self.daemon = kwargs.get("daemon", False)
+
+ def serve(self):
+ self.serverTransport.listen()
+ while True:
+ try:
+ client = self.serverTransport.accept()
+ t = threading.Thread(target=self.handle, args=(client,))
+ t.setDaemon(self.daemon)
+ t.start()
+ except KeyboardInterrupt:
+ raise
+ except Exception, x:
+ logging.exception(x)
+
+ def handle(self, client):
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+
+class TThreadPoolServer(TServer):
+ """Server with a fixed size pool of threads which service requests."""
+
+ def __init__(self, *args, **kwargs):
+ TServer.__init__(self, *args)
+ self.clients = Queue.Queue()
+ self.threads = 10
+ self.daemon = kwargs.get("daemon", False)
+
+ def setNumThreads(self, num):
+ """Set the number of worker threads that should be created"""
+ self.threads = num
+
+ def serveThread(self):
+ """Loop around getting clients from the shared queue and process them."""
+ while True:
+ try:
+ client = self.clients.get()
+ self.serveClient(client)
+ except Exception, x:
+ logging.exception(x)
+
+ def serveClient(self, client):
+ """Process input/output from a client for as long as possible"""
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ itrans.close()
+ otrans.close()
+
+ def serve(self):
+ """Start a fixed number of worker threads and put client into a queue"""
+ for i in range(self.threads):
+ try:
+ t = threading.Thread(target=self.serveThread)
+ t.setDaemon(self.daemon)
+ t.start()
+ except Exception, x:
+ logging.exception(x)
+
+ # Pump the socket for clients
+ self.serverTransport.listen()
+ while True:
+ try:
+ client = self.serverTransport.accept()
+ self.clients.put(client)
+ except Exception, x:
+ logging.exception(x)
+
+
+class TForkingServer(TServer):
+ """A Thrift server that forks a new process for each request
+
+ This is more scalable than the threaded server as it does not cause
+ GIL contention.
+
+ Note that this has different semantics from the threading server.
+ Specifically, updates to shared variables will no longer be shared.
+ It will also not work on windows.
+
+ This code is heavily inspired by SocketServer.ForkingMixIn in the
+ Python stdlib.
+ """
+ def __init__(self, *args):
+ TServer.__init__(self, *args)
+ self.children = []
+
+ def serve(self):
+ def try_close(file):
+ try:
+ file.close()
+ except IOError, e:
+ logging.warning(e, exc_info=True)
+
+ self.serverTransport.listen()
+ while True:
+ client = self.serverTransport.accept()
+ try:
+ pid = os.fork()
+
+ if pid: # parent
+ # add before collect, otherwise you race w/ waitpid
+ self.children.append(pid)
+ self.collect_children()
+
+ # Parent must close socket or the connection may not get
+ # closed promptly
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+ try_close(itrans)
+ try_close(otrans)
+ else:
+ itrans = self.inputTransportFactory.getTransport(client)
+ otrans = self.outputTransportFactory.getTransport(client)
+
+ iprot = self.inputProtocolFactory.getProtocol(itrans)
+ oprot = self.outputProtocolFactory.getProtocol(otrans)
+
+ ecode = 0
+ try:
+ try:
+ while True:
+ self.processor.process(iprot, oprot)
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, e:
+ logging.exception(e)
+ ecode = 1
+ finally:
+ try_close(itrans)
+ try_close(otrans)
+
+ os._exit(ecode)
+
+ except TTransport.TTransportException, tx:
+ pass
+ except Exception, x:
+ logging.exception(x)
+
+ def collect_children(self):
+ while self.children:
+ try:
+ pid, status = os.waitpid(0, os.WNOHANG)
+ except os.error:
+ pid = None
+
+ if pid:
+ self.children.remove(pid)
+ else:
+ break
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/__init__.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/__init__.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/__init__.py
new file mode 100644
index 0000000..1bf6e25
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/server/__init__.py
@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+__all__ = ['TServer', 'TNonblockingServer']
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/THttpClient.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/THttpClient.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/THttpClient.py
new file mode 100644
index 0000000..ea80a1a
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/THttpClient.py
@@ -0,0 +1,149 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import httplib
+import os
+import socket
+import sys
+import urllib
+import urlparse
+import warnings
+
+from cStringIO import StringIO
+
+from TTransport import *
+
+
+class THttpClient(TTransportBase):
+ """Http implementation of TTransport base."""
+
+ def __init__(self, uri_or_host, port=None, path=None):
+ """THttpClient supports two different types constructor parameters.
+
+ THttpClient(host, port, path) - deprecated
+ THttpClient(uri)
+
+ Only the second supports https.
+ """
+ if port is not None:
+ warnings.warn(
+ "Please use the THttpClient('http://host:port/path') syntax",
+ DeprecationWarning,
+ stacklevel=2)
+ self.host = uri_or_host
+ self.port = port
+ assert path
+ self.path = path
+ self.scheme = 'http'
+ else:
+ parsed = urlparse.urlparse(uri_or_host)
+ self.scheme = parsed.scheme
+ assert self.scheme in ('http', 'https')
+ if self.scheme == 'http':
+ self.port = parsed.port or httplib.HTTP_PORT
+ elif self.scheme == 'https':
+ self.port = parsed.port or httplib.HTTPS_PORT
+ self.host = parsed.hostname
+ self.path = parsed.path
+ if parsed.query:
+ self.path += '?%s' % parsed.query
+ self.__wbuf = StringIO()
+ self.__http = None
+ self.__timeout = None
+ self.__custom_headers = None
+
+ def open(self):
+ if self.scheme == 'http':
+ self.__http = httplib.HTTP(self.host, self.port)
+ else:
+ self.__http = httplib.HTTPS(self.host, self.port)
+
+ def close(self):
+ self.__http.close()
+ self.__http = None
+
+ def isOpen(self):
+ return self.__http is not None
+
+ def setTimeout(self, ms):
+ if not hasattr(socket, 'getdefaulttimeout'):
+ raise NotImplementedError
+
+ if ms is None:
+ self.__timeout = None
+ else:
+ self.__timeout = ms / 1000.0
+
+ def setCustomHeaders(self, headers):
+ self.__custom_headers = headers
+
+ def read(self, sz):
+ return self.__http.file.read(sz)
+
+ def write(self, buf):
+ self.__wbuf.write(buf)
+
+ def __withTimeout(f):
+ def _f(*args, **kwargs):
+ orig_timeout = socket.getdefaulttimeout()
+ socket.setdefaulttimeout(args[0].__timeout)
+ result = f(*args, **kwargs)
+ socket.setdefaulttimeout(orig_timeout)
+ return result
+ return _f
+
+ def flush(self):
+ if self.isOpen():
+ self.close()
+ self.open()
+
+ # Pull data out of buffer
+ data = self.__wbuf.getvalue()
+ self.__wbuf = StringIO()
+
+ # HTTP request
+ self.__http.putrequest('POST', self.path)
+
+ # Write headers
+ self.__http.putheader('Host', self.host)
+ self.__http.putheader('Content-Type', 'application/x-thrift')
+ self.__http.putheader('Content-Length', str(len(data)))
+
+ if not self.__custom_headers or 'User-Agent' not in self.__custom_headers:
+ user_agent = 'Python/THttpClient'
+ script = os.path.basename(sys.argv[0])
+ if script:
+ user_agent = '%s (%s)' % (user_agent, urllib.quote(script))
+ self.__http.putheader('User-Agent', user_agent)
+
+ if self.__custom_headers:
+ for key, val in self.__custom_headers.iteritems():
+ self.__http.putheader(key, val)
+
+ self.__http.endheaders()
+
+ # Write payload
+ self.__http.send(data)
+
+ # Get reply to flush the request
+ self.code, self.message, self.headers = self.__http.getreply()
+
+ # Decorate if we know how to timeout
+ if hasattr(socket, 'getdefaulttimeout'):
+ flush = __withTimeout(flush)
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSSLSocket.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSSLSocket.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSSLSocket.py
new file mode 100644
index 0000000..81e0984
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSSLSocket.py
@@ -0,0 +1,214 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import os
+import socket
+import ssl
+
+from thrift.transport import TSocket
+from thrift.transport.TTransport import TTransportException
+
+
+class TSSLSocket(TSocket.TSocket):
+ """
+ SSL implementation of client-side TSocket
+
+ This class creates outbound sockets wrapped using the
+ python standard ssl module for encrypted connections.
+
+ The protocol used is set using the class variable
+ SSL_VERSION, which must be one of ssl.PROTOCOL_* and
+ defaults to ssl.PROTOCOL_TLSv1 for greatest security.
+ """
+ SSL_VERSION = ssl.PROTOCOL_TLSv1
+
+ def __init__(self,
+ host='localhost',
+ port=9090,
+ validate=True,
+ ca_certs=None,
+ keyfile=None,
+ certfile=None,
+ unix_socket=None):
+ """Create SSL TSocket
+
+ @param validate: Set to False to disable SSL certificate validation
+ @type validate: bool
+ @param ca_certs: Filename to the Certificate Authority pem file, possibly a
+ file downloaded from: http://curl.haxx.se/ca/cacert.pem This is passed to
+ the ssl_wrap function as the 'ca_certs' parameter.
+ @type ca_certs: str
+ @param keyfile: The private key
+ @type keyfile: str
+ @param certfile: The cert file
+ @type certfile: str
+
+ Raises an IOError exception if validate is True and the ca_certs file is
+ None, not present or unreadable.
+ """
+ self.validate = validate
+ self.is_valid = False
+ self.peercert = None
+ if not validate:
+ self.cert_reqs = ssl.CERT_NONE
+ else:
+ self.cert_reqs = ssl.CERT_REQUIRED
+ self.ca_certs = ca_certs
+ self.keyfile = keyfile
+ self.certfile = certfile
+ if validate:
+ if ca_certs is None or not os.access(ca_certs, os.R_OK):
+ raise IOError('Certificate Authority ca_certs file "%s" '
+ 'is not readable, cannot validate SSL '
+ 'certificates.' % (ca_certs))
+ TSocket.TSocket.__init__(self, host, port, unix_socket)
+
+ def open(self):
+ try:
+ res0 = self._resolveAddr()
+ for res in res0:
+ sock_family, sock_type = res[0:2]
+ ip_port = res[4]
+ plain_sock = socket.socket(sock_family, sock_type)
+ self.handle = ssl.wrap_socket(plain_sock,
+ ssl_version=self.SSL_VERSION,
+ do_handshake_on_connect=True,
+ ca_certs=self.ca_certs,
+ keyfile=self.keyfile,
+ certfile=self.certfile,
+ cert_reqs=self.cert_reqs)
+ self.handle.settimeout(self._timeout)
+ try:
+ self.handle.connect(ip_port)
+ except socket.error, e:
+ if res is not res0[-1]:
+ continue
+ else:
+ raise e
+ break
+ except socket.error, e:
+ if self._unix_socket:
+ message = 'Could not connect to secure socket %s: %s' \
+ % (self._unix_socket, e)
+ else:
+ message = 'Could not connect to %s:%d: %s' % (self.host, self.port, e)
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message=message)
+ if self.validate:
+ self._validate_cert()
+
+ def _validate_cert(self):
+ """internal method to validate the peer's SSL certificate, and to check the
+ commonName of the certificate to ensure it matches the hostname we
+ used to make this connection. Does not support subjectAltName records
+ in certificates.
+
+ raises TTransportException if the certificate fails validation.
+ """
+ cert = self.handle.getpeercert()
+ self.peercert = cert
+ if 'subject' not in cert:
+ raise TTransportException(
+ type=TTransportException.NOT_OPEN,
+ message='No SSL certificate found from %s:%s' % (self.host, self.port))
+ fields = cert['subject']
+ for field in fields:
+ # ensure structure we get back is what we expect
+ if not isinstance(field, tuple):
+ continue
+ cert_pair = field[0]
+ if len(cert_pair) < 2:
+ continue
+ cert_key, cert_value = cert_pair[0:2]
+ if cert_key != 'commonName':
+ continue
+ certhost = cert_value
+ # this check should be performed by some sort of Access Manager
+ if certhost == self.host:
+ # success, cert commonName matches desired hostname
+ self.is_valid = True
+ return
+ else:
+ raise TTransportException(
+ type=TTransportException.UNKNOWN,
+ message='Hostname we connected to "%s" doesn\'t match certificate '
+ 'provided commonName "%s"' % (self.host, certhost))
+ raise TTransportException(
+ type=TTransportException.UNKNOWN,
+ message='Could not validate SSL certificate from '
+ 'host "%s". Cert=%s' % (self.host, cert))
+
+
+class TSSLServerSocket(TSocket.TServerSocket):
+ """SSL implementation of TServerSocket
+
+ This uses the ssl module's wrap_socket() method to provide SSL
+ negotiated encryption.
+ """
+ SSL_VERSION = ssl.PROTOCOL_TLSv1
+
+ def __init__(self,
+ host=None,
+ port=9090,
+ certfile='cert.pem',
+ unix_socket=None):
+ """Initialize a TSSLServerSocket
+
+ @param certfile: filename of the server certificate, defaults to cert.pem
+ @type certfile: str
+ @param host: The hostname or IP to bind the listen socket to,
+ i.e. 'localhost' for only allowing local network connections.
+ Pass None to bind to all interfaces.
+ @type host: str
+ @param port: The port to listen on for inbound connections.
+ @type port: int
+ """
+ self.setCertfile(certfile)
+ TSocket.TServerSocket.__init__(self, host, port)
+
+ def setCertfile(self, certfile):
+ """Set or change the server certificate file used to wrap new connections.
+
+ @param certfile: The filename of the server certificate,
+ i.e. '/etc/certs/server.pem'
+ @type certfile: str
+
+ Raises an IOError exception if the certfile is not present or unreadable.
+ """
+ if not os.access(certfile, os.R_OK):
+ raise IOError('No such certfile found: %s' % (certfile))
+ self.certfile = certfile
+
+ def accept(self):
+ plain_client, addr = self.handle.accept()
+ try:
+ client = ssl.wrap_socket(plain_client, certfile=self.certfile,
+ server_side=True, ssl_version=self.SSL_VERSION)
+ except ssl.SSLError, ssl_exc:
+ # failed handshake/ssl wrap, close socket to client
+ plain_client.close()
+ # raise ssl_exc
+ # We can't raise the exception, because it kills most TServer derived
+ # serve() methods.
+ # Instead, return None, and let the TServer instance deal with it in
+ # other exception handling. (but TSimpleServer dies anyway)
+ return None
+ result = TSocket.TSocket()
+ result.setHandle(client)
+ return result
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSocket.py
----------------------------------------------------------------------
diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSocket.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSocket.py
new file mode 100644
index 0000000..9e2b384
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TSocket.py
@@ -0,0 +1,176 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import errno
+import os
+import socket
+import sys
+
+from TTransport import *
+
+
+class TSocketBase(TTransportBase):
+ def _resolveAddr(self):
+ if self._unix_socket is not None:
+ return [(socket.AF_UNIX, socket.SOCK_STREAM, None, None,
+ self._unix_socket)]
+ else:
+ return socket.getaddrinfo(self.host,
+ self.port,
+ socket.AF_UNSPEC,
+ socket.SOCK_STREAM,
+ 0,
+ socket.AI_PASSIVE | socket.AI_ADDRCONFIG)
+
+ def close(self):
+ if self.handle:
+ self.handle.close()
+ self.handle = None
+
+
+class TSocket(TSocketBase):
+ """Socket implementation of TTransport base."""
+
+ def __init__(self, host='localhost', port=9090, unix_socket=None):
+ """Initialize a TSocket
+
+ @param host(str) The host to connect to.
+ @param port(int) The (TCP) port to connect to.
+ @param unix_socket(str) The filename of a unix socket to connect to.
+ (host and port will be ignored.)
+ """
+ self.host = host
+ self.port = port
+ self.handle = None
+ self._unix_socket = unix_socket
+ self._timeout = None
+
+ def setHandle(self, h):
+ self.handle = h
+
+ def isOpen(self):
+ return self.handle is not None
+
+ def setTimeout(self, ms):
+ if ms is None:
+ self._timeout = None
+ else:
+ self._timeout = ms / 1000.0
+
+ if self.handle is not None:
+ self.handle.settimeout(self._timeout)
+
+ def open(self):
+ try:
+ res0 = self._resolveAddr()
+ for res in res0:
+ self.handle = socket.socket(res[0], res[1])
+ self.handle.settimeout(self._timeout)
+ try:
+ self.handle.connect(res[4])
+ except socket.error, e:
+ if res is not res0[-1]:
+ continue
+ else:
+ raise e
+ break
+ except socket.error, e:
+ if self._unix_socket:
+ message = 'Could not connect to socket %s' % self._unix_socket
+ else:
+ message = 'Could not connect to %s:%d' % (self.host, self.port)
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message=message)
+
+ def read(self, sz):
+ try:
+ buff = self.handle.recv(sz)
+ except socket.error, e:
+ if (e.args[0] == errno.ECONNRESET and
+ (sys.platform == 'darwin' or sys.platform.startswith('freebsd'))):
+ # freebsd and Mach don't follow POSIX semantic of recv
+ # and fail with ECONNRESET if peer performed shutdown.
+ # See corresponding comment and code in TSocket::read()
+ # in lib/cpp/src/transport/TSocket.cpp.
+ self.close()
+ # Trigger the check to raise the END_OF_FILE exception below.
+ buff = ''
+ else:
+ raise
+ if len(buff) == 0:
+ raise TTransportException(type=TTransportException.END_OF_FILE,
+ message='TSocket read 0 bytes')
+ return buff
+
+ def write(self, buff):
+ if not self.handle:
+ raise TTransportException(type=TTransportException.NOT_OPEN,
+ message='Transport not open')
+ sent = 0
+ have = len(buff)
+ while sent < have:
+ plus = self.handle.send(buff)
+ if plus == 0:
+ raise TTransportException(type=TTransportException.END_OF_FILE,
+ message='TSocket sent 0 bytes')
+ sent += plus
+ buff = buff[plus:]
+
+ def flush(self):
+ pass
+
+
+class TServerSocket(TSocketBase, TServerTransportBase):
+ """Socket implementation of TServerTransport base."""
+
+ def __init__(self, host=None, port=9090, unix_socket=None):
+ self.host = host
+ self.port = port
+ self._unix_socket = unix_socket
+ self.handle = None
+
+ def listen(self):
+ res0 = self._resolveAddr()
+ for res in res0:
+ if res[0] is socket.AF_INET6 or res is res0[-1]:
+ break
+
+ # We need remove the old unix socket if the file exists and
+ # nobody is listening on it.
+ if self._unix_socket:
+ tmp = socket.socket(res[0], res[1])
+ try:
+ tmp.connect(res[4])
+ except socket.error, err:
+ eno, message = err.args
+ if eno == errno.ECONNREFUSED:
+ os.unlink(res[4])
+
+ self.handle = socket.socket(res[0], res[1])
+ self.handle.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+ if hasattr(self.handle, 'settimeout'):
+ self.handle.settimeout(None)
+ self.handle.bind(res[4])
+ self.handle.listen(128)
+
+ def accept(self):
+ client, addr = self.handle.accept()
+ result = TSocket()
+ result.setHandle(client)
+ return result
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTransport.py
----------------------------------------------------------------------
diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTransport.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTransport.py
new file mode 100644
index 0000000..4481371
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTransport.py
@@ -0,0 +1,330 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+from cStringIO import StringIO
+from struct import pack, unpack
+from thrift.Thrift import TException
+
+
+class TTransportException(TException):
+ """Custom Transport Exception class"""
+
+ UNKNOWN = 0
+ NOT_OPEN = 1
+ ALREADY_OPEN = 2
+ TIMED_OUT = 3
+ END_OF_FILE = 4
+
+ def __init__(self, type=UNKNOWN, message=None):
+ TException.__init__(self, message)
+ self.type = type
+
+
+class TTransportBase:
+ """Base class for Thrift transport layer."""
+
+ def isOpen(self):
+ pass
+
+ def open(self):
+ pass
+
+ def close(self):
+ pass
+
+ def read(self, sz):
+ pass
+
+ def readAll(self, sz):
+ buff = ''
+ have = 0
+ while (have < sz):
+ chunk = self.read(sz - have)
+ have += len(chunk)
+ buff += chunk
+
+ if len(chunk) == 0:
+ raise EOFError()
+
+ return buff
+
+ def write(self, buf):
+ pass
+
+ def flush(self):
+ pass
+
+
+# This class should be thought of as an interface.
+class CReadableTransport:
+ """base class for transports that are readable from C"""
+
+ # TODO(dreiss): Think about changing this interface to allow us to use
+ # a (Python, not c) StringIO instead, because it allows
+ # you to write after reading.
+
+ # NOTE: This is a classic class, so properties will NOT work
+ # correctly for setting.
+ @property
+ def cstringio_buf(self):
+ """A cStringIO buffer that contains the current chunk we are reading."""
+ pass
+
+ def cstringio_refill(self, partialread, reqlen):
+ """Refills cstringio_buf.
+
+ Returns the currently used buffer (which can but need not be the same as
+ the old cstringio_buf). partialread is what the C code has read from the
+ buffer, and should be inserted into the buffer before any more reads. The
+ return value must be a new, not borrowed reference. Something along the
+ lines of self._buf should be fine.
+
+ If reqlen bytes can't be read, throw EOFError.
+ """
+ pass
+
+
+class TServerTransportBase:
+ """Base class for Thrift server transports."""
+
+ def listen(self):
+ pass
+
+ def accept(self):
+ pass
+
+ def close(self):
+ pass
+
+
+class TTransportFactoryBase:
+ """Base class for a Transport Factory"""
+
+ def getTransport(self, trans):
+ return trans
+
+
+class TBufferedTransportFactory:
+ """Factory transport that builds buffered transports"""
+
+ def getTransport(self, trans):
+ buffered = TBufferedTransport(trans)
+ return buffered
+
+
+class TBufferedTransport(TTransportBase, CReadableTransport):
+ """Class that wraps another transport and buffers its I/O.
+
+ The implementation uses a (configurable) fixed-size read buffer
+ but buffers all writes until a flush is performed.
+ """
+ DEFAULT_BUFFER = 4096
+
+ def __init__(self, trans, rbuf_size=DEFAULT_BUFFER):
+ self.__trans = trans
+ self.__wbuf = StringIO()
+ self.__rbuf = StringIO("")
+ self.__rbuf_size = rbuf_size
+
+ def isOpen(self):
+ return self.__trans.isOpen()
+
+ def open(self):
+ return self.__trans.open()
+
+ def close(self):
+ return self.__trans.close()
+
+ def read(self, sz):
+ ret = self.__rbuf.read(sz)
+ if len(ret) != 0:
+ return ret
+
+ self.__rbuf = StringIO(self.__trans.read(max(sz, self.__rbuf_size)))
+ return self.__rbuf.read(sz)
+
+ def write(self, buf):
+ self.__wbuf.write(buf)
+
+ def flush(self):
+ out = self.__wbuf.getvalue()
+ # reset wbuf before write/flush to preserve state on underlying failure
+ self.__wbuf = StringIO()
+ self.__trans.write(out)
+ self.__trans.flush()
+
+ # Implement the CReadableTransport interface.
+ @property
+ def cstringio_buf(self):
+ return self.__rbuf
+
+ def cstringio_refill(self, partialread, reqlen):
+ retstring = partialread
+ if reqlen < self.__rbuf_size:
+ # try to make a read of as much as we can.
+ retstring += self.__trans.read(self.__rbuf_size)
+
+ # but make sure we do read reqlen bytes.
+ if len(retstring) < reqlen:
+ retstring += self.__trans.readAll(reqlen - len(retstring))
+
+ self.__rbuf = StringIO(retstring)
+ return self.__rbuf
+
+
+class TMemoryBuffer(TTransportBase, CReadableTransport):
+ """Wraps a cStringIO object as a TTransport.
+
+ NOTE: Unlike the C++ version of this class, you cannot write to it
+ then immediately read from it. If you want to read from a
+ TMemoryBuffer, you must either pass a string to the constructor.
+ TODO(dreiss): Make this work like the C++ version.
+ """
+
+ def __init__(self, value=None):
+ """value -- a value to read from for stringio
+
+ If value is set, this will be a transport for reading,
+ otherwise, it is for writing"""
+ if value is not None:
+ self._buffer = StringIO(value)
+ else:
+ self._buffer = StringIO()
+
+ def isOpen(self):
+ return not self._buffer.closed
+
+ def open(self):
+ pass
+
+ def close(self):
+ self._buffer.close()
+
+ def read(self, sz):
+ return self._buffer.read(sz)
+
+ def write(self, buf):
+ self._buffer.write(buf)
+
+ def flush(self):
+ pass
+
+ def getvalue(self):
+ return self._buffer.getvalue()
+
+ # Implement the CReadableTransport interface.
+ @property
+ def cstringio_buf(self):
+ return self._buffer
+
+ def cstringio_refill(self, partialread, reqlen):
+ # only one shot at reading...
+ raise EOFError()
+
+
+class TFramedTransportFactory:
+ """Factory transport that builds framed transports"""
+
+ def getTransport(self, trans):
+ framed = TFramedTransport(trans)
+ return framed
+
+
+class TFramedTransport(TTransportBase, CReadableTransport):
+ """Class that wraps another transport and frames its I/O when writing."""
+
+ def __init__(self, trans,):
+ self.__trans = trans
+ self.__rbuf = StringIO()
+ self.__wbuf = StringIO()
+
+ def isOpen(self):
+ return self.__trans.isOpen()
+
+ def open(self):
+ return self.__trans.open()
+
+ def close(self):
+ return self.__trans.close()
+
+ def read(self, sz):
+ ret = self.__rbuf.read(sz)
+ if len(ret) != 0:
+ return ret
+
+ self.readFrame()
+ return self.__rbuf.read(sz)
+
+ def readFrame(self):
+ buff = self.__trans.readAll(4)
+ sz, = unpack('!i', buff)
+ self.__rbuf = StringIO(self.__trans.readAll(sz))
+
+ def write(self, buf):
+ self.__wbuf.write(buf)
+
+ def flush(self):
+ wout = self.__wbuf.getvalue()
+ wsz = len(wout)
+ # reset wbuf before write/flush to preserve state on underlying failure
+ self.__wbuf = StringIO()
+ # N.B.: Doing this string concatenation is WAY cheaper than making
+ # two separate calls to the underlying socket object. Socket writes in
+ # Python turn out to be REALLY expensive, but it seems to do a pretty
+ # good job of managing string buffer operations without excessive copies
+ buf = pack("!i", wsz) + wout
+ self.__trans.write(buf)
+ self.__trans.flush()
+
+ # Implement the CReadableTransport interface.
+ @property
+ def cstringio_buf(self):
+ return self.__rbuf
+
+ def cstringio_refill(self, prefix, reqlen):
+ # self.__rbuf will already be empty here because fastbinary doesn't
+ # ask for a refill until the previous buffer is empty. Therefore,
+ # we can start reading new frames immediately.
+ while len(prefix) < reqlen:
+ self.readFrame()
+ prefix += self.__rbuf.getvalue()
+ self.__rbuf = StringIO(prefix)
+ return self.__rbuf
+
+
+class TFileObjectTransport(TTransportBase):
+ """Wraps a file-like object to make it work as a Thrift transport."""
+
+ def __init__(self, fileobj):
+ self.fileobj = fileobj
+
+ def isOpen(self):
+ return True
+
+ def close(self):
+ self.fileobj.close()
+
+ def read(self, sz):
+ return self.fileobj.read(sz)
+
+ def write(self, buf):
+ self.fileobj.write(buf)
+
+ def flush(self):
+ self.fileobj.flush()
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTwisted.py
----------------------------------------------------------------------
diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTwisted.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTwisted.py
new file mode 100644
index 0000000..3ce3eb2
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TTwisted.py
@@ -0,0 +1,221 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+from cStringIO import StringIO
+
+from zope.interface import implements, Interface, Attribute
+from twisted.internet.protocol import Protocol, ServerFactory, ClientFactory, \
+ connectionDone
+from twisted.internet import defer
+from twisted.protocols import basic
+from twisted.python import log
+from twisted.web import server, resource, http
+
+from thrift.transport import TTransport
+
+
+class TMessageSenderTransport(TTransport.TTransportBase):
+
+ def __init__(self):
+ self.__wbuf = StringIO()
+
+ def write(self, buf):
+ self.__wbuf.write(buf)
+
+ def flush(self):
+ msg = self.__wbuf.getvalue()
+ self.__wbuf = StringIO()
+ self.sendMessage(msg)
+
+ def sendMessage(self, message):
+ raise NotImplementedError
+
+
+class TCallbackTransport(TMessageSenderTransport):
+
+ def __init__(self, func):
+ TMessageSenderTransport.__init__(self)
+ self.func = func
+
+ def sendMessage(self, message):
+ self.func(message)
+
+
+class ThriftClientProtocol(basic.Int32StringReceiver):
+
+ MAX_LENGTH = 2 ** 31 - 1
+
+ def __init__(self, client_class, iprot_factory, oprot_factory=None):
+ self._client_class = client_class
+ self._iprot_factory = iprot_factory
+ if oprot_factory is None:
+ self._oprot_factory = iprot_factory
+ else:
+ self._oprot_factory = oprot_factory
+
+ self.recv_map = {}
+ self.started = defer.Deferred()
+
+ def dispatch(self, msg):
+ self.sendString(msg)
+
+ def connectionMade(self):
+ tmo = TCallbackTransport(self.dispatch)
+ self.client = self._client_class(tmo, self._oprot_factory)
+ self.started.callback(self.client)
+
+ def connectionLost(self, reason=connectionDone):
+ for k, v in self.client._reqs.iteritems():
+ tex = TTransport.TTransportException(
+ type=TTransport.TTransportException.END_OF_FILE,
+ message='Connection closed')
+ v.errback(tex)
+
+ def stringReceived(self, frame):
+ tr = TTransport.TMemoryBuffer(frame)
+ iprot = self._iprot_factory.getProtocol(tr)
+ (fname, mtype, rseqid) = iprot.readMessageBegin()
+
+ try:
+ method = self.recv_map[fname]
+ except KeyError:
+ method = getattr(self.client, 'recv_' + fname)
+ self.recv_map[fname] = method
+
+ method(iprot, mtype, rseqid)
+
+
+class ThriftServerProtocol(basic.Int32StringReceiver):
+
+ MAX_LENGTH = 2 ** 31 - 1
+
+ def dispatch(self, msg):
+ self.sendString(msg)
+
+ def processError(self, error):
+ self.transport.loseConnection()
+
+ def processOk(self, _, tmo):
+ msg = tmo.getvalue()
+
+ if len(msg) > 0:
+ self.dispatch(msg)
+
+ def stringReceived(self, frame):
+ tmi = TTransport.TMemoryBuffer(frame)
+ tmo = TTransport.TMemoryBuffer()
+
+ iprot = self.factory.iprot_factory.getProtocol(tmi)
+ oprot = self.factory.oprot_factory.getProtocol(tmo)
+
+ d = self.factory.processor.process(iprot, oprot)
+ d.addCallbacks(self.processOk, self.processError,
+ callbackArgs=(tmo,))
+
+
+class IThriftServerFactory(Interface):
+
+ processor = Attribute("Thrift processor")
+
+ iprot_factory = Attribute("Input protocol factory")
+
+ oprot_factory = Attribute("Output protocol factory")
+
+
+class IThriftClientFactory(Interface):
+
+ client_class = Attribute("Thrift client class")
+
+ iprot_factory = Attribute("Input protocol factory")
+
+ oprot_factory = Attribute("Output protocol factory")
+
+
+class ThriftServerFactory(ServerFactory):
+
+ implements(IThriftServerFactory)
+
+ protocol = ThriftServerProtocol
+
+ def __init__(self, processor, iprot_factory, oprot_factory=None):
+ self.processor = processor
+ self.iprot_factory = iprot_factory
+ if oprot_factory is None:
+ self.oprot_factory = iprot_factory
+ else:
+ self.oprot_factory = oprot_factory
+
+
+class ThriftClientFactory(ClientFactory):
+
+ implements(IThriftClientFactory)
+
+ protocol = ThriftClientProtocol
+
+ def __init__(self, client_class, iprot_factory, oprot_factory=None):
+ self.client_class = client_class
+ self.iprot_factory = iprot_factory
+ if oprot_factory is None:
+ self.oprot_factory = iprot_factory
+ else:
+ self.oprot_factory = oprot_factory
+
+ def buildProtocol(self, addr):
+ p = self.protocol(self.client_class, self.iprot_factory,
+ self.oprot_factory)
+ p.factory = self
+ return p
+
+
+class ThriftResource(resource.Resource):
+
+ allowedMethods = ('POST',)
+
+ def __init__(self, processor, inputProtocolFactory,
+ outputProtocolFactory=None):
+ resource.Resource.__init__(self)
+ self.inputProtocolFactory = inputProtocolFactory
+ if outputProtocolFactory is None:
+ self.outputProtocolFactory = inputProtocolFactory
+ else:
+ self.outputProtocolFactory = outputProtocolFactory
+ self.processor = processor
+
+ def getChild(self, path, request):
+ return self
+
+ def _cbProcess(self, _, request, tmo):
+ msg = tmo.getvalue()
+ request.setResponseCode(http.OK)
+ request.setHeader("content-type", "application/x-thrift")
+ request.write(msg)
+ request.finish()
+
+ def render_POST(self, request):
+ request.content.seek(0, 0)
+ data = request.content.read()
+ tmi = TTransport.TMemoryBuffer(data)
+ tmo = TTransport.TMemoryBuffer()
+
+ iprot = self.inputProtocolFactory.getProtocol(tmi)
+ oprot = self.outputProtocolFactory.getProtocol(tmo)
+
+ d = self.processor.process(iprot, oprot)
+ d.addCallback(self._cbProcess, request, tmo)
+ return server.NOT_DONE_YET
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TZlibTransport.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TZlibTransport.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TZlibTransport.py
new file mode 100644
index 0000000..a2f42a5
--- /dev/null
+++ b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/TZlibTransport.py
@@ -0,0 +1,248 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+"""TZlibTransport provides a compressed transport and transport factory
+class, using the python standard library zlib module to implement
+data compression.
+"""
+
+from __future__ import division
+import zlib
+from cStringIO import StringIO
+from TTransport import TTransportBase, CReadableTransport
+
+
+class TZlibTransportFactory(object):
+ """Factory transport that builds zlib compressed transports.
+
+ This factory caches the last single client/transport that it was passed
+ and returns the same TZlibTransport object that was created.
+
+ This caching means the TServer class will get the _same_ transport
+ object for both input and output transports from this factory.
+ (For non-threaded scenarios only, since the cache only holds one object)
+
+ The purpose of this caching is to allocate only one TZlibTransport where
+ only one is really needed (since it must have separate read/write buffers),
+ and makes the statistics from getCompSavings() and getCompRatio()
+ easier to understand.
+ """
+ # class scoped cache of last transport given and zlibtransport returned
+ _last_trans = None
+ _last_z = None
+
+ def getTransport(self, trans, compresslevel=9):
+ """Wrap a transport, trans, with the TZlibTransport
+ compressed transport class, returning a new
+ transport to the caller.
+
+ @param compresslevel: The zlib compression level, ranging
+ from 0 (no compression) to 9 (best compression). Defaults to 9.
+ @type compresslevel: int
+
+ This method returns a TZlibTransport which wraps the
+ passed C{trans} TTransport derived instance.
+ """
+ if trans == self._last_trans:
+ return self._last_z
+ ztrans = TZlibTransport(trans, compresslevel)
+ self._last_trans = trans
+ self._last_z = ztrans
+ return ztrans
+
+
+class TZlibTransport(TTransportBase, CReadableTransport):
+ """Class that wraps a transport with zlib, compressing writes
+ and decompresses reads, using the python standard
+ library zlib module.
+ """
+ # Read buffer size for the python fastbinary C extension,
+ # the TBinaryProtocolAccelerated class.
+ DEFAULT_BUFFSIZE = 4096
+
+ def __init__(self, trans, compresslevel=9):
+ """Create a new TZlibTransport, wrapping C{trans}, another
+ TTransport derived object.
+
+ @param trans: A thrift transport object, i.e. a TSocket() object.
+ @type trans: TTransport
+ @param compresslevel: The zlib compression level, ranging
+ from 0 (no compression) to 9 (best compression). Default is 9.
+ @type compresslevel: int
+ """
+ self.__trans = trans
+ self.compresslevel = compresslevel
+ self.__rbuf = StringIO()
+ self.__wbuf = StringIO()
+ self._init_zlib()
+ self._init_stats()
+
+ def _reinit_buffers(self):
+ """Internal method to initialize/reset the internal StringIO objects
+ for read and write buffers.
+ """
+ self.__rbuf = StringIO()
+ self.__wbuf = StringIO()
+
+ def _init_stats(self):
+ """Internal method to reset the internal statistics counters
+ for compression ratios and bandwidth savings.
+ """
+ self.bytes_in = 0
+ self.bytes_out = 0
+ self.bytes_in_comp = 0
+ self.bytes_out_comp = 0
+
+ def _init_zlib(self):
+ """Internal method for setting up the zlib compression and
+ decompression objects.
+ """
+ self._zcomp_read = zlib.decompressobj()
+ self._zcomp_write = zlib.compressobj(self.compresslevel)
+
+ def getCompRatio(self):
+ """Get the current measured compression ratios (in,out) from
+ this transport.
+
+ Returns a tuple of:
+ (inbound_compression_ratio, outbound_compression_ratio)
+
+ The compression ratios are computed as:
+ compressed / uncompressed
+
+ E.g., data that compresses by 10x will have a ratio of: 0.10
+ and data that compresses to half of ts original size will
+ have a ratio of 0.5
+
+ None is returned if no bytes have yet been processed in
+ a particular direction.
+ """
+ r_percent, w_percent = (None, None)
+ if self.bytes_in > 0:
+ r_percent = self.bytes_in_comp / self.bytes_in
+ if self.bytes_out > 0:
+ w_percent = self.bytes_out_comp / self.bytes_out
+ return (r_percent, w_percent)
+
+ def getCompSavings(self):
+ """Get the current count of saved bytes due to data
+ compression.
+
+ Returns a tuple of:
+ (inbound_saved_bytes, outbound_saved_bytes)
+
+ Note: if compression is actually expanding your
+ data (only likely with very tiny thrift objects), then
+ the values returned will be negative.
+ """
+ r_saved = self.bytes_in - self.bytes_in_comp
+ w_saved = self.bytes_out - self.bytes_out_comp
+ return (r_saved, w_saved)
+
+ def isOpen(self):
+ """Return the underlying transport's open status"""
+ return self.__trans.isOpen()
+
+ def open(self):
+ """Open the underlying transport"""
+ self._init_stats()
+ return self.__trans.open()
+
+ def listen(self):
+ """Invoke the underlying transport's listen() method"""
+ self.__trans.listen()
+
+ def accept(self):
+ """Accept connections on the underlying transport"""
+ return self.__trans.accept()
+
+ def close(self):
+ """Close the underlying transport,"""
+ self._reinit_buffers()
+ self._init_zlib()
+ return self.__trans.close()
+
+ def read(self, sz):
+ """Read up to sz bytes from the decompressed bytes buffer, and
+ read from the underlying transport if the decompression
+ buffer is empty.
+ """
+ ret = self.__rbuf.read(sz)
+ if len(ret) > 0:
+ return ret
+ # keep reading from transport until something comes back
+ while True:
+ if self.readComp(sz):
+ break
+ ret = self.__rbuf.read(sz)
+ return ret
+
+ def readComp(self, sz):
+ """Read compressed data from the underlying transport, then
+ decompress it and append it to the internal StringIO read buffer
+ """
+ zbuf = self.__trans.read(sz)
+ zbuf = self._zcomp_read.unconsumed_tail + zbuf
+ buf = self._zcomp_read.decompress(zbuf)
+ self.bytes_in += len(zbuf)
+ self.bytes_in_comp += len(buf)
+ old = self.__rbuf.read()
+ self.__rbuf = StringIO(old + buf)
+ if len(old) + len(buf) == 0:
+ return False
+ return True
+
+ def write(self, buf):
+ """Write some bytes, putting them into the internal write
+ buffer for eventual compression.
+ """
+ self.__wbuf.write(buf)
+
+ def flush(self):
+ """Flush any queued up data in the write buffer and ensure the
+ compression buffer is flushed out to the underlying transport
+ """
+ wout = self.__wbuf.getvalue()
+ if len(wout) > 0:
+ zbuf = self._zcomp_write.compress(wout)
+ self.bytes_out += len(wout)
+ self.bytes_out_comp += len(zbuf)
+ else:
+ zbuf = ''
+ ztail = self._zcomp_write.flush(zlib.Z_SYNC_FLUSH)
+ self.bytes_out_comp += len(ztail)
+ if (len(zbuf) + len(ztail)) > 0:
+ self.__wbuf = StringIO()
+ self.__trans.write(zbuf + ztail)
+ self.__trans.flush()
+
+ @property
+ def cstringio_buf(self):
+ """Implement the CReadableTransport interface"""
+ return self.__rbuf
+
+ def cstringio_refill(self, partialread, reqlen):
+ """Implement the CReadableTransport interface for refill"""
+ retstring = partialread
+ if reqlen < self.DEFAULT_BUFFSIZE:
+ retstring += self.read(self.DEFAULT_BUFFSIZE)
+ while len(retstring) < reqlen:
+ retstring += self.read(reqlen - len(retstring))
+ self.__rbuf = StringIO(retstring)
+ return self.__rbuf
http://git-wip-us.apache.org/repos/asf/stratos/blob/c2fad133/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/__init__.py
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diff --git a/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/__init__.py b/tools/python-cartridge-agent/cartridge-agent/modules/thriftcom/thrift/transport/__init__.py
new file mode 100644
index 0000000..c9596d9
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@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+__all__ = ['TTransport', 'TSocket', 'THttpClient', 'TZlibTransport']