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Diffstat (limited to 'src/VBox/ValidationKit/testboxscript/testboxconnection.py')
| -rwxr-xr-x | src/VBox/ValidationKit/testboxscript/testboxconnection.py | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/testboxscript/testboxconnection.py b/src/VBox/ValidationKit/testboxscript/testboxconnection.py new file mode 100755 index 00000000..9acef5a8 --- /dev/null +++ b/src/VBox/ValidationKit/testboxscript/testboxconnection.py @@ -0,0 +1,302 @@ +# -*- coding: utf-8 -*- +# $Id: testboxconnection.py $ + +""" +TestBox Script - HTTP Connection Handling. +""" + +__copyright__ = \ +""" +Copyright (C) 2012-2019 Oracle Corporation + +This file is part of VirtualBox Open Source Edition (OSE), as +available from http://www.virtualbox.org. This file is free software; +you can redistribute it and/or modify it under the terms of the GNU +General Public License (GPL) as published by the Free Software +Foundation, in version 2 as it comes in the "COPYING" file of the +VirtualBox OSE distribution. VirtualBox OSE is distributed in the +hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + +The contents of this file may alternatively be used under the terms +of the Common Development and Distribution License Version 1.0 +(CDDL) only, as it comes in the "COPYING.CDDL" file of the +VirtualBox OSE distribution, in which case the provisions of the +CDDL are applicable instead of those of the GPL. + +You may elect to license modified versions of this file under the +terms and conditions of either the GPL or the CDDL or both. +""" +__version__ = "$Revision: 127855 $" + + +# Standard python imports. +import sys; +if sys.version_info[0] >= 3: + import http.client as httplib; # pylint: disable=import-error,no-name-in-module + import urllib.parse as urlparse; # pylint: disable=import-error,no-name-in-module + from urllib.parse import urlencode as urllib_urlencode; # pylint: disable=import-error,no-name-in-module +else: + import httplib; # pylint: disable=import-error,no-name-in-module + import urlparse; # pylint: disable=import-error,no-name-in-module + from urllib import urlencode as urllib_urlencode; # pylint: disable=import-error,no-name-in-module + +# Validation Kit imports. +from common import constants +from common import utils +import testboxcommons + + + +class TestBoxResponse(object): + """ + Response object return by TestBoxConnection.request(). + """ + def __init__(self, oResponse): + """ + Convert the HTTPResponse to a dictionary, raising TestBoxException on + malformed response. + """ + if oResponse is not None: + # Read the whole response (so we can log it). + sBody = oResponse.read(); + sBody = sBody.decode('utf-8'); + + # Check the content type. + sContentType = oResponse.getheader('Content-Type'); + if sContentType is None or sContentType != 'application/x-www-form-urlencoded; charset=utf-8': + testboxcommons.log('SERVER RESPONSE: Content-Type: %s' % (sContentType,)); + testboxcommons.log('SERVER RESPONSE: %s' % (sBody.rstrip(),)) + raise testboxcommons.TestBoxException('Invalid server response type: "%s"' % (sContentType,)); + + # Parse the body (this should be the exact reverse of what + # TestBoxConnection.postRequestRaw). + ##testboxcommons.log2('SERVER RESPONSE: "%s"' % (sBody,)) + self._dResponse = urlparse.parse_qs(sBody, strict_parsing=True); + + # Convert the dictionary from 'field:values' to 'field:value'. Fail + # if a field has more than one value (i.e. given more than once). + for sField in self._dResponse: + if len(self._dResponse[sField]) != 1: + raise testboxcommons.TestBoxException('The field "%s" appears more than once in the server response' \ + % (sField,)); + self._dResponse[sField] = self._dResponse[sField][0] + else: + # Special case, dummy response object. + self._dResponse = dict(); + # Done. + + def getStringChecked(self, sField): + """ + Check if specified field is present in server response and returns it as string. + If not present, a fitting exception will be raised. + """ + if not sField in self._dResponse: + raise testboxcommons.TestBoxException('Required data (' + str(sField) + ') was not found in server response'); + return str(self._dResponse[sField]).strip(); + + def getIntChecked(self, sField, iMin = None, iMax = None): + """ + Check if specified field is present in server response and returns it as integer. + If not present, a fitting exception will be raised. + + The iMin and iMax values are inclusive. + """ + if not sField in self._dResponse: + raise testboxcommons.TestBoxException('Required data (' + str(sField) + ') was not found in server response') + try: + iValue = int(self._dResponse[sField]); + except: + raise testboxcommons.TestBoxException('Malformed integer field %s: "%s"' % (sField, self._dResponse[sField])); + + if (iMin is not None and iValue < iMin) \ + or (iMax is not None and iValue > iMax): + raise testboxcommons.TestBoxException('Value (%d) of field %s is out of range [%s..%s]' \ + % (iValue, sField, iMin, iMax)); + return iValue; + + def checkParameterCount(self, cExpected): + """ + Checks the parameter count, raise TestBoxException if it doesn't meet + the expectations. + """ + if len(self._dResponse) != cExpected: + raise testboxcommons.TestBoxException('Expected %d parameters, server sent %d' % (cExpected, len(self._dResponse))); + return True; + + def toString(self): + """ + Convers the response to a string (for debugging purposes). + """ + return str(self._dResponse); + + +class TestBoxConnection(object): + """ + Wrapper around HTTPConnection. + """ + + def __init__(self, sTestManagerUrl, sTestBoxId, sTestBoxUuid, fLongTimeout = False): + """ + Constructor. + """ + self._oConn = None; + self._oParsedUrl = urlparse.urlparse(sTestManagerUrl); + self._sTestBoxId = sTestBoxId; + self._sTestBoxUuid = sTestBoxUuid; + + # + # Connect to it - may raise exception on failure. + # When connecting we're using a 15 second timeout, we increase it later. + # + if self._oParsedUrl.scheme == 'https': # pylint: disable=E1101 + fnCtor = httplib.HTTPSConnection; + else: + fnCtor = httplib.HTTPConnection; + if sys.version_info[0] >= 3 \ + or (sys.version_info[0] == 2 and sys.version_info[1] >= 6): + + self._oConn = fnCtor(self._oParsedUrl.hostname, timeout=15); + else: + self._oConn = fnCtor(self._oParsedUrl.hostname); + + if self._oConn.sock is None: + self._oConn.connect(); + + # + # Increase the timeout for the non-connect operations. + # + try: + self._oConn.sock.settimeout(5*60 if fLongTimeout else 1 * 60); + except: + pass; + + ##testboxcommons.log2('hostname=%s timeout=%u' % (self._oParsedUrl.hostname, self._oConn.sock.gettimeout())); + + def __del__(self): + """ Makes sure the connection is really closed on destruction """ + self.close() + + def close(self): + """ Closes the connection """ + if self._oConn is not None: + self._oConn.close(); + self._oConn = None; + + def postRequestRaw(self, sAction, dParams): + """ + Posts a request to the test manager and gets the response. The dParams + argument is a dictionary of unencoded key-value pairs (will be + modified). + Raises exception on failure. + """ + dHeader = \ + { + 'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8', + 'User-Agent': 'TestBoxScript/%s.0 (%s, %s)' % (__version__, utils.getHostOs(), utils.getHostArch()), + 'Accept': 'text/plain,application/x-www-form-urlencoded', + 'Accept-Encoding': 'identity', + 'Cache-Control': 'max-age=0', + 'Connection': 'keep-alive', + }; + sServerPath = '/%s/testboxdisp.py' % (self._oParsedUrl.path.strip('/'),); # pylint: disable=E1101 + dParams[constants.tbreq.ALL_PARAM_ACTION] = sAction; + sBody = urllib_urlencode(dParams); + ##testboxcommons.log2('sServerPath=%s' % (sServerPath,)); + try: + self._oConn.request('POST', sServerPath, sBody, dHeader); + oResponse = self._oConn.getresponse(); + oResponse2 = TestBoxResponse(oResponse); + except: + testboxcommons.log2Xcpt(); + raise + return oResponse2; + + def postRequest(self, sAction, dParams = None): + """ + Posts a request to the test manager, prepending the testbox ID and + UUID to the arguments, and gets the response. The dParams argument is a + is a dictionary of unencoded key-value pairs (will be modified). + Raises exception on failure. + """ + if dParams is None: + dParams = dict(); + dParams[constants.tbreq.ALL_PARAM_TESTBOX_ID] = self._sTestBoxId; + dParams[constants.tbreq.ALL_PARAM_TESTBOX_UUID] = self._sTestBoxUuid; + return self.postRequestRaw(sAction, dParams); + + def sendReply(self, sReplyAction, sCmdName): + """ + Sends a reply to a test manager command. + Raises exception on failure. + """ + return self.postRequest(sReplyAction, { constants.tbreq.COMMAND_ACK_PARAM_CMD_NAME: sCmdName }); + + def sendReplyAndClose(self, sReplyAction, sCmdName): + """ + Sends a reply to a test manager command and closes the connection. + Raises exception on failure. + """ + self.sendReply(sReplyAction, sCmdName); + self.close(); + return True; + + def sendAckAndClose(self, sCmdName): + """ + Acks a command and closes the connection to the test manager. + Raises exception on failure. + """ + return self.sendReplyAndClose(constants.tbreq.COMMAND_ACK, sCmdName); + + def sendAck(self, sCmdName): + """ + Acks a command. + Raises exception on failure. + """ + return self.sendReply(constants.tbreq.COMMAND_ACK, sCmdName); + + @staticmethod + def sendSignOn(sTestManagerUrl, dParams): + """ + Sends a sign-on request to the server, returns the response (TestBoxResponse). + No exceptions will be raised. + """ + oConnection = None; + try: + oConnection = TestBoxConnection(sTestManagerUrl, None, None); + return oConnection.postRequestRaw(constants.tbreq.SIGNON, dParams); + except: + testboxcommons.log2Xcpt(); + if oConnection is not None: # Be kind to apache. + try: oConnection.close(); + except: pass; + + return TestBoxResponse(None); + + @staticmethod + def requestCommandWithConnection(sTestManagerUrl, sTestBoxId, sTestBoxUuid, fBusy): + """ + Queries the test manager for a command and returns its respons + an open + connection for acking/nack the command (and maybe more). + + No exceptions will be raised. On failure (None, None) will be returned. + """ + oConnection = None; + try: + oConnection = TestBoxConnection(sTestManagerUrl, sTestBoxId, sTestBoxUuid, fLongTimeout = not fBusy); + if fBusy: + oResponse = oConnection.postRequest(constants.tbreq.REQUEST_COMMAND_BUSY); + else: + oResponse = oConnection.postRequest(constants.tbreq.REQUEST_COMMAND_IDLE); + return (oResponse, oConnection); + except: + testboxcommons.log2Xcpt(); + if oConnection is not None: # Be kind to apache. + try: oConnection.close(); + except: pass; + return (None, None); + + def isConnected(self): + """ + Checks if we are still connected. + """ + return self._oConn is not None; |