| 1 | # -*- coding: utf-8 -*-
|
|---|
| 2 | # $Id: testboxconnection.py 52776 2014-09-17 14:51:43Z vboxsync $
|
|---|
| 3 |
|
|---|
| 4 | """
|
|---|
| 5 | TestBox Script - HTTP Connection Handling.
|
|---|
| 6 | """
|
|---|
| 7 |
|
|---|
| 8 | __copyright__ = \
|
|---|
| 9 | """
|
|---|
| 10 | Copyright (C) 2012-2014 Oracle Corporation
|
|---|
| 11 |
|
|---|
| 12 | This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 13 | available from http://www.virtualbox.org. This file is free software;
|
|---|
| 14 | you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 15 | General Public License (GPL) as published by the Free Software
|
|---|
| 16 | Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 17 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 18 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 19 |
|
|---|
| 20 | The contents of this file may alternatively be used under the terms
|
|---|
| 21 | of the Common Development and Distribution License Version 1.0
|
|---|
| 22 | (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 23 | VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 24 | CDDL are applicable instead of those of the GPL.
|
|---|
| 25 |
|
|---|
| 26 | You may elect to license modified versions of this file under the
|
|---|
| 27 | terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 28 | """
|
|---|
| 29 | __version__ = "$Revision: 52776 $"
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | # Standard python imports.
|
|---|
| 33 | import httplib
|
|---|
| 34 | import urllib
|
|---|
| 35 | import urlparse
|
|---|
| 36 | import sys
|
|---|
| 37 |
|
|---|
| 38 | # Validation Kit imports.
|
|---|
| 39 | from common import constants
|
|---|
| 40 | from common import utils
|
|---|
| 41 | import testboxcommons
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 | class TestBoxResponse(object):
|
|---|
| 46 | """
|
|---|
| 47 | Response object return by TestBoxConnection.request().
|
|---|
| 48 | """
|
|---|
| 49 | def __init__(self, oResponse):
|
|---|
| 50 | """
|
|---|
| 51 | Convert the HTTPResponse to a dictionary, raising TestBoxException on
|
|---|
| 52 | malformed response.
|
|---|
| 53 | """
|
|---|
| 54 | if oResponse is not None:
|
|---|
| 55 | # Read the whole response (so we can log it).
|
|---|
| 56 | sBody = oResponse.read();
|
|---|
| 57 |
|
|---|
| 58 | # Check the content type.
|
|---|
| 59 | sContentType = oResponse.getheader('Content-Type');
|
|---|
| 60 | if sContentType is None or sContentType != 'application/x-www-form-urlencoded; charset=utf-8':
|
|---|
| 61 | testboxcommons.log('SERVER RESPONSE: Content-Type: %s' % (sContentType,));
|
|---|
| 62 | testboxcommons.log('SERVER RESPONSE: %s' % (sBody.rstrip(),))
|
|---|
| 63 | raise testboxcommons.TestBoxException('Invalid server response type: "%s"' % (sContentType,));
|
|---|
| 64 |
|
|---|
| 65 | # Parse the body (this should be the exact reverse of what
|
|---|
| 66 | # TestBoxConnection.postRequestRaw).
|
|---|
| 67 | ##testboxcommons.log2('SERVER RESPONSE: "%s"' % (sBody,))
|
|---|
| 68 | self._dResponse = urlparse.parse_qs(sBody, strict_parsing=True);
|
|---|
| 69 |
|
|---|
| 70 | # Convert the dictionary from 'field:values' to 'field:value'. Fail
|
|---|
| 71 | # if a field has more than one value (i.e. given more than once).
|
|---|
| 72 | for sField in self._dResponse:
|
|---|
| 73 | if len(self._dResponse[sField]) != 1:
|
|---|
| 74 | raise testboxcommons.TestBoxException('The field "%s" appears more than once in the server response' \
|
|---|
| 75 | % (sField,));
|
|---|
| 76 | self._dResponse[sField] = self._dResponse[sField][0]
|
|---|
| 77 | else:
|
|---|
| 78 | # Special case, dummy response object.
|
|---|
| 79 | self._dResponse = dict();
|
|---|
| 80 | # Done.
|
|---|
| 81 |
|
|---|
| 82 | def getStringChecked(self, sField):
|
|---|
| 83 | """
|
|---|
| 84 | Check if specified field is present in server response and returns it as string.
|
|---|
| 85 | If not present, a fitting exception will be raised.
|
|---|
| 86 | """
|
|---|
| 87 | if not sField in self._dResponse:
|
|---|
| 88 | raise testboxcommons.TestBoxException('Required data (' + str(sField) + ') was not found in server response');
|
|---|
| 89 | return str(self._dResponse[sField]).strip();
|
|---|
| 90 |
|
|---|
| 91 | def getIntChecked(self, sField, iMin = None, iMax = None):
|
|---|
| 92 | """
|
|---|
| 93 | Check if specified field is present in server response and returns it as integer.
|
|---|
| 94 | If not present, a fitting exception will be raised.
|
|---|
| 95 |
|
|---|
| 96 | The iMin and iMax values are inclusive.
|
|---|
| 97 | """
|
|---|
| 98 | if not sField in self._dResponse:
|
|---|
| 99 | raise testboxcommons.TestBoxException('Required data (' + str(sField) + ') was not found in server response')
|
|---|
| 100 | try:
|
|---|
| 101 | iValue = int(self._dResponse[sField]);
|
|---|
| 102 | except:
|
|---|
| 103 | raise testboxcommons.TestBoxException('Malformed integer field %s: "%s"' % (sField, self._dResponse[sField]));
|
|---|
| 104 |
|
|---|
| 105 | if (iMin is not None and iValue < iMin) \
|
|---|
| 106 | or (iMax is not None and iValue > iMax):
|
|---|
| 107 | raise testboxcommons.TestBoxException('Value (%d) of field %s is out of range [%s..%s]' \
|
|---|
| 108 | % (iValue, sField, iMin, iMax));
|
|---|
| 109 | return iValue;
|
|---|
| 110 |
|
|---|
| 111 | def checkParameterCount(self, cExpected):
|
|---|
| 112 | """
|
|---|
| 113 | Checks the parameter count, raise TestBoxException if it doesn't meet
|
|---|
| 114 | the expectations.
|
|---|
| 115 | """
|
|---|
| 116 | if len(self._dResponse) != cExpected:
|
|---|
| 117 | raise testboxcommons.TestBoxException('Expected %d parameters, server sent %d' % (cExpected, len(self._dResponse)));
|
|---|
| 118 | return True;
|
|---|
| 119 |
|
|---|
| 120 | def toString(self):
|
|---|
| 121 | """
|
|---|
| 122 | Convers the response to a string (for debugging purposes).
|
|---|
| 123 | """
|
|---|
| 124 | return str(self._dResponse);
|
|---|
| 125 |
|
|---|
| 126 |
|
|---|
| 127 | class TestBoxConnection(object):
|
|---|
| 128 | """
|
|---|
| 129 | Wrapper around HTTPConnection.
|
|---|
| 130 | """
|
|---|
| 131 |
|
|---|
| 132 | def __init__(self, sTestManagerUrl, sTestBoxId, sTestBoxUuid, fLongTimeout = False):
|
|---|
| 133 | """
|
|---|
| 134 | Constructor.
|
|---|
| 135 | """
|
|---|
| 136 | self._oConn = None;
|
|---|
| 137 | self._oParsedUrl = urlparse.urlparse(sTestManagerUrl);
|
|---|
| 138 | self._sTestBoxId = sTestBoxId;
|
|---|
| 139 | self._sTestBoxUuid = sTestBoxUuid;
|
|---|
| 140 |
|
|---|
| 141 | #
|
|---|
| 142 | # Connect to it - may raise exception on failure.
|
|---|
| 143 | # When connecting we're using a 15 second timeout, we increase it later.
|
|---|
| 144 | #
|
|---|
| 145 | if self._oParsedUrl.scheme == 'https': # pylint: disable=E1101
|
|---|
| 146 | fnCtor = httplib.HTTPSConnection;
|
|---|
| 147 | else:
|
|---|
| 148 | fnCtor = httplib.HTTPConnection;
|
|---|
| 149 | if sys.version_info[0] >= 3 \
|
|---|
| 150 | or (sys.version_info[0] == 2 and sys.version_info[1] >= 6):
|
|---|
| 151 |
|
|---|
| 152 | self._oConn = fnCtor(self._oParsedUrl.hostname, timeout=15);
|
|---|
| 153 | else:
|
|---|
| 154 | self._oConn = fnCtor(self._oParsedUrl.hostname);
|
|---|
| 155 |
|
|---|
| 156 | if self._oConn.sock is None:
|
|---|
| 157 | self._oConn.connect();
|
|---|
| 158 |
|
|---|
| 159 | #
|
|---|
| 160 | # Increase the timeout for the non-connect operations.
|
|---|
| 161 | #
|
|---|
| 162 | try:
|
|---|
| 163 | self._oConn.sock.settimeout(5*60 if fLongTimeout else 1 * 60);
|
|---|
| 164 | except:
|
|---|
| 165 | pass;
|
|---|
| 166 |
|
|---|
| 167 | ##testboxcommons.log2('hostname=%s timeout=%u' % (self._oParsedUrl.hostname, self._oConn.sock.gettimeout()));
|
|---|
| 168 |
|
|---|
| 169 | def __del__(self):
|
|---|
| 170 | """ Makes sure the connection is really closed on destruction """
|
|---|
| 171 | self.close()
|
|---|
| 172 |
|
|---|
| 173 | def close(self):
|
|---|
| 174 | """ Closes the connection """
|
|---|
| 175 | if self._oConn is not None:
|
|---|
| 176 | self._oConn.close();
|
|---|
| 177 | self._oConn = None;
|
|---|
| 178 |
|
|---|
| 179 | def postRequestRaw(self, sAction, dParams):
|
|---|
| 180 | """
|
|---|
| 181 | Posts a request to the test manager and gets the response. The dParams
|
|---|
| 182 | argument is a dictionary of unencoded key-value pairs (will be
|
|---|
| 183 | modified).
|
|---|
| 184 | Raises exception on failure.
|
|---|
| 185 | """
|
|---|
| 186 | dHeader = \
|
|---|
| 187 | {
|
|---|
| 188 | 'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
|
|---|
| 189 | 'User-Agent': 'TestBoxScript/%s.0 (%s, %s)' % (__version__, utils.getHostOs(), utils.getHostArch()),
|
|---|
| 190 | 'Accept': 'text/plain,application/x-www-form-urlencoded',
|
|---|
| 191 | 'Accept-Encoding': 'identity',
|
|---|
| 192 | 'Cache-Control': 'max-age=0',
|
|---|
| 193 | 'Connection': 'keep-alive',
|
|---|
| 194 | };
|
|---|
| 195 | sServerPath = '/%s/testboxdisp.py' % (self._oParsedUrl.path.strip('/'),); # pylint: disable=E1101
|
|---|
| 196 | dParams[constants.tbreq.ALL_PARAM_ACTION] = sAction;
|
|---|
| 197 | sBody = urllib.urlencode(dParams);
|
|---|
| 198 | ##testboxcommons.log2('sServerPath=%s' % (sServerPath,));
|
|---|
| 199 | try:
|
|---|
| 200 | self._oConn.request('POST', sServerPath, sBody, dHeader);
|
|---|
| 201 | oResponse = self._oConn.getresponse();
|
|---|
| 202 | oResponse2 = TestBoxResponse(oResponse);
|
|---|
| 203 | except:
|
|---|
| 204 | testboxcommons.log2Xcpt();
|
|---|
| 205 | raise
|
|---|
| 206 | return oResponse2;
|
|---|
| 207 |
|
|---|
| 208 | def postRequest(self, sAction, dParams = None):
|
|---|
| 209 | """
|
|---|
| 210 | Posts a request to the test manager, prepending the testbox ID and
|
|---|
| 211 | UUID to the arguments, and gets the response. The dParams argument is a
|
|---|
| 212 | is a dictionary of unencoded key-value pairs (will be modified).
|
|---|
| 213 | Raises exception on failure.
|
|---|
| 214 | """
|
|---|
| 215 | if dParams is None:
|
|---|
| 216 | dParams = dict();
|
|---|
| 217 | dParams[constants.tbreq.ALL_PARAM_TESTBOX_ID] = self._sTestBoxId;
|
|---|
| 218 | dParams[constants.tbreq.ALL_PARAM_TESTBOX_UUID] = self._sTestBoxUuid;
|
|---|
| 219 | return self.postRequestRaw(sAction, dParams);
|
|---|
| 220 |
|
|---|
| 221 | def sendReply(self, sReplyAction, sCmdName):
|
|---|
| 222 | """
|
|---|
| 223 | Sends a reply to a test manager command.
|
|---|
| 224 | Raises exception on failure.
|
|---|
| 225 | """
|
|---|
| 226 | return self.postRequest(sReplyAction, { constants.tbreq.COMMAND_ACK_PARAM_CMD_NAME: sCmdName });
|
|---|
| 227 |
|
|---|
| 228 | def sendReplyAndClose(self, sReplyAction, sCmdName):
|
|---|
| 229 | """
|
|---|
| 230 | Sends a reply to a test manager command and closes the connection.
|
|---|
| 231 | Raises exception on failure.
|
|---|
| 232 | """
|
|---|
| 233 | self.sendReply(sReplyAction, sCmdName);
|
|---|
| 234 | self.close();
|
|---|
| 235 | return True;
|
|---|
| 236 |
|
|---|
| 237 | def sendAckAndClose(self, sCmdName):
|
|---|
| 238 | """
|
|---|
| 239 | Acks a command and closes the connection to the test manager.
|
|---|
| 240 | Raises exception on failure.
|
|---|
| 241 | """
|
|---|
| 242 | return self.sendReplyAndClose(constants.tbreq.COMMAND_ACK, sCmdName);
|
|---|
| 243 |
|
|---|
| 244 | def sendAck(self, sCmdName):
|
|---|
| 245 | """
|
|---|
| 246 | Acks a command.
|
|---|
| 247 | Raises exception on failure.
|
|---|
| 248 | """
|
|---|
| 249 | return self.sendReply(constants.tbreq.COMMAND_ACK, sCmdName);
|
|---|
| 250 |
|
|---|
| 251 | @staticmethod
|
|---|
| 252 | def sendSignOn(sTestManagerUrl, dParams):
|
|---|
| 253 | """
|
|---|
| 254 | Sends a sign-on request to the server, returns the response (TestBoxResponse).
|
|---|
| 255 | No exceptions will be raised.
|
|---|
| 256 | """
|
|---|
| 257 | oConnection = None;
|
|---|
| 258 | try:
|
|---|
| 259 | oConnection = TestBoxConnection(sTestManagerUrl, None, None);
|
|---|
| 260 | return oConnection.postRequestRaw(constants.tbreq.SIGNON, dParams);
|
|---|
| 261 | except:
|
|---|
| 262 | testboxcommons.log2Xcpt();
|
|---|
| 263 | if oConnection is not None: # Be kind to apache.
|
|---|
| 264 | try: oConnection.close();
|
|---|
| 265 | except: pass;
|
|---|
| 266 |
|
|---|
| 267 | return TestBoxResponse(None);
|
|---|
| 268 |
|
|---|
| 269 | @staticmethod
|
|---|
| 270 | def requestCommandWithConnection(sTestManagerUrl, sTestBoxId, sTestBoxUuid, fBusy):
|
|---|
| 271 | """
|
|---|
| 272 | Queries the test manager for a command and returns its respons + an open
|
|---|
| 273 | connection for acking/nack the command (and maybe more).
|
|---|
| 274 |
|
|---|
| 275 | No exceptions will be raised. On failure (None, None) will be returned.
|
|---|
| 276 | """
|
|---|
| 277 | oConnection = None;
|
|---|
| 278 | try:
|
|---|
| 279 | oConnection = TestBoxConnection(sTestManagerUrl, sTestBoxId, sTestBoxUuid, fLongTimeout = not fBusy);
|
|---|
| 280 | if fBusy:
|
|---|
| 281 | oResponse = oConnection.postRequest(constants.tbreq.REQUEST_COMMAND_BUSY);
|
|---|
| 282 | else:
|
|---|
| 283 | oResponse = oConnection.postRequest(constants.tbreq.REQUEST_COMMAND_IDLE);
|
|---|
| 284 | return (oResponse, oConnection);
|
|---|
| 285 | except:
|
|---|
| 286 | testboxcommons.log2Xcpt();
|
|---|
| 287 | if oConnection is not None: # Be kind to apache.
|
|---|
| 288 | try: oConnection.close();
|
|---|
| 289 | except: pass;
|
|---|
| 290 | return (None, None);
|
|---|
| 291 |
|
|---|
| 292 | def isConnected(self):
|
|---|
| 293 | """
|
|---|
| 294 | Checks if we are still connected.
|
|---|
| 295 | """
|
|---|
| 296 | return self._oConn is not None;
|
|---|
