| Gavin McDonald | 0b75e1a | 2010-10-28 02:12:01 +0000 | [diff] [blame^] | 1 | # |
| 2 | # Licensed to the Apache Software Foundation (ASF) under one |
| 3 | # or more contributor license agreements. See the NOTICE file |
| 4 | # distributed with this work for additional information |
| 5 | # regarding copyright ownership. The ASF licenses this file |
| 6 | # to you under the Apache License, Version 2.0 (the |
| 7 | # "License"); you may not use this file except in compliance |
| 8 | # with the License. You may obtain a copy of the License at |
| 9 | # |
| 10 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | # |
| 12 | # Unless required by applicable law or agreed to in writing, |
| 13 | # software distributed under the License is distributed on an |
| 14 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | # KIND, either express or implied. See the License for the |
| 16 | # specific language governing permissions and limitations |
| 17 | # under the License. |
| 18 | # |
| 19 | |
| 20 | from TTransport import * |
| 21 | from cStringIO import StringIO |
| 22 | |
| 23 | import urlparse |
| 24 | import httplib |
| 25 | import warnings |
| 26 | |
| 27 | class THttpClient(TTransportBase): |
| 28 | |
| 29 | """Http implementation of TTransport base.""" |
| 30 | |
| 31 | def __init__(self, uri_or_host, port=None, path=None): |
| 32 | """THttpClient supports two different types constructor parameters. |
| 33 | |
| 34 | THttpClient(host, port, path) - deprecated |
| 35 | THttpClient(uri) |
| 36 | |
| 37 | Only the second supports https.""" |
| 38 | |
| 39 | if port is not None: |
| 40 | warnings.warn("Please use the THttpClient('http://host:port/path') syntax", DeprecationWarning, stacklevel=2) |
| 41 | self.host = uri_or_host |
| 42 | self.port = port |
| 43 | assert path |
| 44 | self.path = path |
| 45 | self.scheme = 'http' |
| 46 | else: |
| 47 | parsed = urlparse.urlparse(uri_or_host) |
| 48 | self.scheme = parsed.scheme |
| 49 | assert self.scheme in ('http', 'https') |
| 50 | if self.scheme == 'http': |
| 51 | self.port = parsed.port or httplib.HTTP_PORT |
| 52 | elif self.scheme == 'https': |
| 53 | self.port = parsed.port or httplib.HTTPS_PORT |
| 54 | self.host = parsed.hostname |
| 55 | self.path = parsed.path |
| 56 | self.__wbuf = StringIO() |
| 57 | self.__http = None |
| 58 | |
| 59 | def open(self): |
| 60 | if self.scheme == 'http': |
| 61 | self.__http = httplib.HTTP(self.host, self.port) |
| 62 | else: |
| 63 | self.__http = httplib.HTTPS(self.host, self.port) |
| 64 | |
| 65 | def close(self): |
| 66 | self.__http.close() |
| 67 | self.__http = None |
| 68 | |
| 69 | def isOpen(self): |
| 70 | return self.__http != None |
| 71 | |
| 72 | def read(self, sz): |
| 73 | return self.__http.file.read(sz) |
| 74 | |
| 75 | def write(self, buf): |
| 76 | self.__wbuf.write(buf) |
| 77 | |
| 78 | def flush(self): |
| 79 | if self.isOpen(): |
| 80 | self.close() |
| 81 | self.open(); |
| 82 | |
| 83 | # Pull data out of buffer |
| 84 | data = self.__wbuf.getvalue() |
| 85 | self.__wbuf = StringIO() |
| 86 | |
| 87 | # HTTP request |
| 88 | self.__http.putrequest('POST', self.path) |
| 89 | |
| 90 | # Write headers |
| 91 | self.__http.putheader('Host', self.host) |
| 92 | self.__http.putheader('Content-Type', 'application/x-thrift') |
| 93 | self.__http.putheader('Content-Length', str(len(data))) |
| 94 | self.__http.endheaders() |
| 95 | |
| 96 | # Write payload |
| 97 | self.__http.send(data) |
| 98 | |
| 99 | # Get reply to flush the request |
| 100 | self.code, self.message, self.headers = self.__http.getreply() |