2 from jsonrpclib import Fault
3 from jsonrpclib.jsonrpc import USE_UNIX_SOCKETS
4 import SimpleXMLRPCServer
20 def get_version(request):
22 if 'jsonrpc' in request.keys():
24 if 'id' in request.keys():
28 def validate_request(request):
29 if type(request) is not types.DictType:
31 -32600, 'Request must be {}, not %s.' % type(request)
34 rpcid = request.get('id', None)
35 version = get_version(request)
37 fault = Fault(-32600, 'Request %s invalid.' % request, rpcid=rpcid)
39 request.setdefault('params', [])
40 method = request.get('method', None)
41 params = request.get('params')
42 param_types = (types.ListType, types.DictType, types.TupleType)
43 if not method or type(method) not in types.StringTypes or \
44 type(params) not in param_types:
46 -32600, 'Invalid request parameters or method.', rpcid=rpcid
51 class StratumJSONRPCDispatcher(SimpleXMLRPCServer.SimpleXMLRPCDispatcher):
53 def __init__(self, encoding=None):
54 SimpleXMLRPCServer.SimpleXMLRPCDispatcher.__init__(self,
58 def _marshaled_dispatch(self, data, dispatch_method = None):
61 request = jsonrpclib.loads(data)
63 fault = Fault(-32700, 'Request %s invalid. (%s)' % (data, e))
64 response = fault.response()
68 if type(request) is not types.ListType:
71 for req_entry in request:
72 result = validate_request(req_entry)
73 if type(result) is Fault:
74 responses.append(result.response())
76 resp_entry = self._marshaled_single_dispatch(req_entry)
77 if resp_entry is not None:
78 responses.append(resp_entry)
81 r = self._marshaled_single_dispatch({'method':'session.poll', 'params':[], 'id':'z' })
82 r = jsonrpclib.loads(r)
85 responses.append(json.dumps(item))
87 if len(responses) > 1:
88 response = '[%s]' % ','.join(responses)
89 elif len(responses) == 1:
90 response = responses[0]
96 def _marshaled_single_dispatch(self, request):
97 # TODO - Use the multiprocessing and skip the response if
98 # it is a notification
99 # Put in support for custom dispatcher here
100 # (See SimpleXMLRPCServer._marshaled_dispatch)
101 method = request.get('method')
102 params = request.get('params')
103 if params is None: params=[]
104 params = [ self.session_id, request['id'] ] + params
107 response = self._dispatch(method, params)
109 exc_type, exc_value, exc_tb = sys.exc_info()
110 fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
111 return fault.response()
112 if 'id' not in request.keys() or request['id'] == None:
113 # It's a notification
117 response = jsonrpclib.dumps(response,
123 exc_type, exc_value, exc_tb = sys.exc_info()
124 fault = Fault(-32603, '%s:%s' % (exc_type, exc_value))
125 return fault.response()
127 def _dispatch(self, method, params):
130 func = self.funcs[method]
132 if self.instance is not None:
133 if hasattr(self.instance, '_dispatch'):
134 return self.instance._dispatch(method, params)
137 func = SimpleXMLRPCServer.resolve_dotted_attribute(
142 except AttributeError:
146 if type(params) is types.ListType:
147 response = func(*params)
149 response = func(**params)
152 return Fault(-32602, 'Invalid parameters.')
154 err_lines = traceback.format_exc().splitlines()
155 trace_string = '%s | %s' % (err_lines[-3], err_lines[-1])
156 fault = jsonrpclib.Fault(-32603, 'Server error: %s' %
160 return Fault(-32601, 'Method %s not supported.' % method)
162 class StratumJSONRPCRequestHandler(
163 SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
166 if not self.is_rpc_path_valid():
172 self.server.session_id = None
173 c = self.headers.get('cookie')
175 if c[0:8]=='SESSION=':
176 print "found cookie", c[8:]
177 self.server.session_id = c[8:]
179 if self.server.session_id is None:
180 r = self.server._marshaled_single_dispatch({'method':'session.create', 'params':[], 'id':'z' })
181 r = jsonrpclib.loads(r)
182 self.server.session_id = r.get('result')
183 print "setting cookie", self.server.session_id
185 data = json.dumps([])
186 response = self.server._marshaled_dispatch(data)
187 self.send_response(200)
189 self.send_response(500)
190 err_lines = traceback.format_exc().splitlines()
191 trace_string = '%s | %s' % (err_lines[-3], err_lines[-1])
192 fault = jsonrpclib.Fault(-32603, 'Server error: %s' % trace_string)
193 response = fault.response()
194 print "500", trace_string
198 if hasattr(self.server, 'session_id'):
199 if self.server.session_id:
200 self.send_header("Set-Cookie", "SESSION=%s"%self.server.session_id)
201 self.session_id = None
203 self.send_header("Content-type", "application/json-rpc")
204 self.send_header("Content-length", str(len(response)))
206 self.wfile.write(response)
208 self.connection.shutdown(1)
212 if not self.is_rpc_path_valid():
216 max_chunk_size = 10*1024*1024
217 size_remaining = int(self.headers["content-length"])
219 while size_remaining:
220 chunk_size = min(size_remaining, max_chunk_size)
221 L.append(self.rfile.read(chunk_size))
222 size_remaining -= len(L[-1])
225 self.server.session_id = None
226 c = self.headers.get('cookie')
228 if c[0:8]=='SESSION=':
229 print "found cookie", c[8:]
230 self.server.session_id = c[8:]
232 if self.server.session_id is None:
233 r = self.server._marshaled_single_dispatch({'method':'session.create', 'params':[], 'id':'z' })
234 r = jsonrpclib.loads(r)
235 self.server.session_id = r.get('result')
236 #print "setting cookie", self.server.session_id
238 response = self.server._marshaled_dispatch(data)
239 self.send_response(200)
241 self.send_response(500)
242 err_lines = traceback.format_exc().splitlines()
243 trace_string = '%s | %s' % (err_lines[-3], err_lines[-1])
244 fault = jsonrpclib.Fault(-32603, 'Server error: %s' % trace_string)
245 response = fault.response()
246 print "500", trace_string
250 if hasattr(self.server, 'session_id'):
251 if self.server.session_id:
252 self.send_header("Set-Cookie", "SESSION=%s"%self.server.session_id)
253 self.session_id = None
255 self.send_header("Content-type", "application/json-rpc")
256 self.send_header("Content-length", str(len(response)))
258 self.wfile.write(response)
260 self.connection.shutdown(1)
263 class StratumJSONRPCServer(SocketServer.TCPServer, StratumJSONRPCDispatcher):
265 allow_reuse_address = True
267 def __init__(self, addr, requestHandler=StratumJSONRPCRequestHandler,
268 logRequests=True, encoding=None, bind_and_activate=True,
269 address_family=socket.AF_INET):
270 self.logRequests = logRequests
271 StratumJSONRPCDispatcher.__init__(self, encoding)
272 # TCPServer.__init__ has an extra parameter on 2.6+, so
273 # check Python version and decide on how to call it
274 vi = sys.version_info
275 self.address_family = address_family
276 if USE_UNIX_SOCKETS and address_family == socket.AF_UNIX:
277 # Unix sockets can't be bound if they already exist in the
278 # filesystem. The convention of e.g. X11 is to unlink
279 # before binding again.
280 if os.path.exists(addr):
284 logging.warning("Could not unlink socket %s", addr)
285 # if python 2.5 and lower
286 if vi[0] < 3 and vi[1] < 6:
287 SocketServer.TCPServer.__init__(self, addr, requestHandler)
289 SocketServer.TCPServer.__init__(self, addr, requestHandler,
291 if fcntl is not None and hasattr(fcntl, 'FD_CLOEXEC'):
292 flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
293 flags |= fcntl.FD_CLOEXEC
294 fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)