[u/mrichter/AliRoot.git] / HLT / BASE / AliHLTHOMERProxyHandler.cxx

//-*- Mode: C++ -*-
// $Id: AliHLTHOMERProxyHandler.cxx  $
//**************************************************************************
//* This file is property of and copyright by the ALICE HLT Project        * 
//* ALICE Experiment at CERN, All rights reserved.                         *
//*                                                                        *
//* Primary Authors: Jochen Thaeder <thaeder@kip.uni-heidelberg.de>        *
//*                  for The ALICE HLT Project.                            *
//*                                                                        *
//* Permission to use, copy, modify and distribute this software and its   *
//* documentation strictly for non-commercial purposes is hereby granted   *
//* without fee, provided that the above copyright notice appears in all   *
//* copies and that both the copyright notice and this permission notice   *
//* appear in the supporting documentation. The authors make no claims     *
//* about the suitability of this software for any purpose. It is          *
//* provided "as is" without express or implied warranty.                  *
//**************************************************************************

/** @file   AliHLTHOMERProxyHandler.cxx
    @author Jochen Thaeder
    @date
    @brief  HOMER proxy handler for HomerManger
*/

// see header file for class documentation
// or
// refer to README to build package
// or
// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt

#if __GNUC__>= 3
   using namespace std;
#endif

#include "TDOMParser.h"
#include "TSocket.h"
#include "TSystem.h"
// -- -- -- -- -- -- -- 
#include "AliHLTHOMERProxyHandler.h"
// -- -- -- -- -- -- -- 

ClassImp(AliHLTHOMERProxyHandler)

/*
 * ---------------------------------------------------------------------------------
 *                            Constructor / Destructor
 * ---------------------------------------------------------------------------------
 */

//##################################################################################
AliHLTHOMERProxyHandler::AliHLTHOMERProxyHandler() :
  fRealm(kHLT),
  fXmlRpcResponse(""),
  fSourceList(NULL) {
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

//##################################################################################
AliHLTHOMERProxyHandler::~AliHLTHOMERProxyHandler() {
  // see header file for class documentation

}

//##################################################################################
Int_t AliHLTHOMERProxyHandler::Initialize() {
  // see header file for class documentation

  Int_t iResult = 0 ;

  IdentifyRealm();

  return iResult;
}

/*
 * ---------------------------------------------------------------------------------
 *                             Source List - public
 * ---------------------------------------------------------------------------------
 */

//##################################################################################
Int_t AliHLTHOMERProxyHandler::FillSourceList(TList *srcList) {
  // see header file for class documentation

  Int_t iResult = 0;

  fSourceList = srcList;

  iResult = RequestXmlRpcResponse();

  if (!iResult)
    iResult = ProcessXmlRpcResponse();

  if (iResult < 0) {
    HLTError(Form("Filling SourceList failed."));
  }

  return iResult;
}

/*
 * ---------------------------------------------------------------------------------
 *                        Realms - private
 * ---------------------------------------------------------------------------------
 */

//##################################################################################
const Char_t *AliHLTHOMERProxyHandler::fgkHOMERProxyNode[] = { 
  "portal-dcs0.internal", 
  "alihlt-dcs0.cern.ch",
  "alihlt-vobox0.cern.ch",
  "alihlt-gw0.kip.uni-heidelberg.de",
  "portal-dcs1.internal", 
  "alihlt-dcs1.cern.ch",
  "alihlt-vobox1.cern.ch",
  "alihlt-gw1.kip.uni-heidelberg.de"
};

//##################################################################################
void AliHLTHOMERProxyHandler::IdentifyRealm() {
  // see header file for class documentation

  TString hostIP(gSystem->GetHostByName(gSystem->HostName()).GetHostAddress());

  if ( hostIP.Contains("10.162.") )
    fRealm = kHLT;
  else if ( hostIP.Contains("10.160.") || hostIP.Contains("10.161.") )
    fRealm = kACR;
  else if ( hostIP.Contains("129.206.") )
    fRealm = kKIP;
  else 
    fRealm = kGPN;
  
  return;
}

/*
 * ---------------------------------------------------------------------------------
 *                        Proxy Communication - private
 * ---------------------------------------------------------------------------------
 */

//##################################################################################
Int_t AliHLTHOMERProxyHandler::RequestXmlRpcResponse() {
  // see header file for class documentation

  Int_t iResult = 0;

  // -- open socket
  // ----------------

  Int_t proxyPort = 19999;

  TSocket *socket = new TSocket(fgkHOMERProxyNode[fRealm], proxyPort);
  if ( ! socket->IsValid() ) {
    HLTWarning(Form("Failed to create socket to %s:%d,",fgkHOMERProxyNode[fRealm], proxyPort));
    HLTWarning(Form("trying %s:%d now.", fgkHOMERProxyNode[fRealm+kHOMERRealmsMax],proxyPort));

    socket = new TSocket(fgkHOMERProxyNode[fRealm+kHOMERRealmsMax], proxyPort);
    if ( ! socket->IsValid() ) {
      HLTError(Form("Failed to create socket to %s:%d and %s:%d.",
		    fgkHOMERProxyNode[fRealm], proxyPort,
		    fgkHOMERProxyNode[fRealm+kHOMERRealmsMax],proxyPort));

      fRealm = -1;
      return -1;
    }
    else
      fRealm = fRealm+kHOMERRealmsMax;
  }

  // -- send request
  // -----------------

  Char_t reqMsg[] = "PUT / HTTP/1.1\r\n\
User-Agent: curl/7.18.0 (x86_64-pc-linux-gnu) libcurl/7.18.0 OpenSSL/0.9.8g zlib/1.2.3.3 libidn/1.1\r\n\
Host: localhost:10000\r\n\
Accept: */*\r\n\
Content-type: text/xml\r\n\
Content-Length: 68\r\n\
\r\n<methodCall><methodName>getTcpDumpServices</methodName></methodCall>\r\n";

  iResult = socket->SendRaw( reqMsg, strlen(reqMsg) );
  if ( iResult < 1 || 
       iResult !=  static_cast<Int_t>(strlen(reqMsg))) {
    HLTError(Form("Error sending! -- send length %d  -- msg length %d.", iResult, static_cast<Int_t>(strlen(reqMsg)) ));
    socket->Close();
    return iResult;
  }
  
  // -- receive answer
  // -------------------

  const Int_t bufferSize = 1024;
  Char_t buffer[bufferSize];

  Bool_t isXmlRpc = kFALSE;

  fXmlRpcResponse = "";

  // -- loop for getting full xmlRPC response
  while(1) {

    Int_t bufferLength = 0;
    
    // -- loop for reading until end of line
    while (1) {

      iResult = socket->RecvRaw(&buffer[bufferLength], 1);
      if ( iResult < 0) {
	HLTError(Form("Error reading form socket."));
	socket->Close();
	return iResult;
      }
            
      // -- Checking for  end of line
      if ( buffer[bufferLength] == 10 ) {
	buffer[bufferLength] = 0;
	break;
      }
      
      ++bufferLength;
    }

    TString bufferString(buffer);

    // -- Checking for start of XML response
    if ( bufferString.BeginsWith("<?xml") )
      isXmlRpc = kTRUE;

    // -- Append the xml response
    if (isXmlRpc) {
      fXmlRpcResponse.Append(bufferString);
    }

    // -- Checking for end of XML response
    if( ! bufferString.CompareTo("</methodResponse>") ) 
      break;
  }
  
  // -- close socket
  socket->Close();

  return 0;
}

//##################################################################################
Int_t AliHLTHOMERProxyHandler::ProcessXmlRpcResponse() {
  // see header file for class documentation

  Int_t iResult = 0;

  // -- Parse XML RPC Response
  // ---------------------------

  TDOMParser xmlParser;
  xmlParser.SetValidate(kFALSE);

  HLTDebug(Form("XMLResponse: %s",fXmlRpcResponse.Data()));
  
  iResult = xmlParser.ParseBuffer(fXmlRpcResponse.Data(), fXmlRpcResponse.Length());
  if ( iResult < 0 ) {
    HLTError(Form("Parsing buffer with error: %s", 
		  xmlParser.GetParseCodeMessage(xmlParser.GetParseCode()) ));
    

    return iResult;
  }

  TXMLNode * node = xmlParser.GetXMLDocument()->GetRootNode()->
    GetChildren()->GetChildren()->GetChildren()->GetChildren();
  
  if ( strcmp( node->GetNodeName(), "string" ) ) {
    HLTError(Form("No node 'string' in XmlRpcResponse."));
    return -1;
  }

  // -- Parse Content
  // ------------------

  // -- Get Content
  TString xmlContent(node->GetText() );

  HLTDebug(Form("XMLContent: %s",xmlContent.Data()));

  iResult = xmlParser.ParseBuffer(xmlContent.Data(), xmlContent.Length());
  if ( iResult < 0 ) {
    HLTError(Form("Parsing buffer with error: %s", 
		  xmlParser.GetParseCodeMessage(xmlParser.GetParseCode()) ));

    return iResult;
  }
  
  if ( !xmlParser.GetXMLDocument()->GetRootNode()->HasChildren() ) {
    HLTWarning(Form("No Services active."));
    return 1;
  }

  // -- Loop over all service nodes
  TXMLNode* serviceNode = xmlParser.GetXMLDocument()->GetRootNode()->GetChildren();
  TXMLNode* prevServiceNode = NULL;
  
  do {
    prevServiceNode = serviceNode;

    // -- Add service to list
    iResult = AddService( serviceNode->GetChildren() );
    if ( iResult > 0 ) {
      HLTWarning(Form("Incomplete Service not added."));
      iResult = 0;
    }
  } while ( ( serviceNode = prevServiceNode->GetNextNode() ) && !iResult );


  return iResult;
}

/*
 * ---------------------------------------------------------------------------------
 *                            Source Resolving - private
 * ---------------------------------------------------------------------------------
 */

//##################################################################################
Int_t AliHLTHOMERProxyHandler::AddService(TXMLNode *innerNode) {
  // see header file for class documentation

  Int_t iResult = 0;

  HLTInfo(Form(">> New service"));    

  TXMLNode* serviceNode = innerNode;

  // -- Loop over all service properties and 
  //    read them from the service tag
  // -----------------------------------------

  TString hostname          = "";
  Int_t   port              = 0;
  TString dataType          = "";
  TString dataOrigin        = "";
  TString dataSpecification = "";

  TXMLNode* prevInnerNode = NULL;

  // -- Retrieve hostname and port
  // -------------------------------

  do {
    prevInnerNode = innerNode;
    
    if ( ! strcmp(innerNode->GetNodeName(), "text" ) )
      continue;
        
    // -- hostname
    if ( ! strcmp( innerNode->GetNodeName(), "address") ) {
      HLTInfo(Form("  > %s ++ %s", innerNode->GetNodeName(), innerNode->GetText() ));
      hostname = innerNode->GetText();
    }
    else if ( ! strcmp( innerNode->GetNodeName(), "port") ) {
      HLTInfo(Form("  > %s ++ %s", innerNode->GetNodeName(), innerNode->GetText() ));
      TString portS(innerNode->GetText());
      if ( portS.IsDigit() )
	port = portS.Atoi();
      else {
	HLTError(Form("Port %s is not a digit.", portS.Data()));
	iResult = -1;
      }
    }
  } while ( ( innerNode = prevInnerNode->GetNextNode() ) && !iResult );


  // -- Change hostame from service with proxy, if outside HLT
  if ( fRealm != kHLT || fRealm != kHLT+kHOMERRealmsMax )
    hostname = fgkHOMERProxyNode[fRealm];


  // -- Get Data Specifications from blocks
  // ----------------------------------------

  do {
    prevInnerNode = serviceNode;

    if ( strcmp( serviceNode->GetNodeName(), "blocks") )
      continue;
 
    TXMLNode* blocks = serviceNode->GetChildren();

    if ( ! blocks ) {
      HLTError(Form("No blocks present"));
      return 1;
    }
      
    TXMLNode* blockNode = blocks->GetNextNode();
    TXMLNode* prevBlockNode = NULL;

    if ( ! blockNode ) {
      HLTError(Form("No block present in the blocks tag"));
      return 1;
    }
      
    // -- blocks loop 
    
    do {
      prevBlockNode = blockNode;
      
      if ( strcmp( blockNode->GetNodeName(), "block") )
	continue;

      TXMLNode *dataNode = blockNode->GetChildren();
      TXMLNode *prevDataNode = NULL;

      if ( ! dataNode ) {
	HLTError(Form("No data specification tags present in block tag."));
	return 1;
      }
      // -- data spec loop
      
      do {
	prevDataNode = dataNode;

	if ( ! strcmp(dataNode->GetNodeName(), "text" ) )
	  continue;

	HLTInfo(Form(" %s ++ %s", dataNode->GetNodeName(), dataNode->GetText() ));	

	if ( ! strcmp( dataNode->GetNodeName(), "dataorigin") ) {
	  dataOrigin = dataNode->GetText();
	}
	else if ( ! strcmp( dataNode->GetNodeName(), "datatype") ) {
	  dataType = dataNode->GetText();
	}
	else if ( ! strcmp( dataNode->GetNodeName(), "dataspecification") ) {
	  dataSpecification = dataNode->GetText();    
	}
      } while ( ( dataNode = prevDataNode->GetNextNode() ) && !iResult );
      
      // -- data spec loop

      // -- Check the service properties
      // ---------------------------------
      
      // -- Check for completeness of the source properties
      if ( hostname.IsNull() || !port || dataOrigin.IsNull() ||
	   dataType.IsNull() || dataSpecification.IsNull() ) {
	HLTWarning(Form("Service provides not all values:\n\thostname\t\t %s\n\tport\t\t\t %d\n\tdataorigin\t\t %s\n\tdatatype\t\t %s\n\tdataspecification\t 0x%08X", 
			hostname.Data(), port, dataOrigin.Data(), dataType.Data(), dataSpecification.Atoi()));
	
	return 1;
      }

      // -- Create new source
      // ----------------------
      
      AliHLTHOMERSourceDesc * source = new AliHLTHOMERSourceDesc();
      source->SetService( hostname, port, dataOrigin, dataType, dataSpecification );
      
      fSourceList->Add( source );
      
      HLTInfo(Form( "New Source added : %s", source->GetSourceName().Data()));

    } while ( ( blockNode = prevBlockNode->GetNextNode() ) && !iResult );


    // -- blocks loop
    
  } while ( ( serviceNode = prevInnerNode->GetNextNode() ) && !iResult );
  
  return iResult;
}
Commit	Line	Data
06272c83	1	//-- Mode: C++ --
	2	// $Id: AliHLTHOMERProxyHandler.cxx $
	3	//**************************************************************************
	4	//* This file is property of and copyright by the ALICE HLT Project *
	5	//* ALICE Experiment at CERN, All rights reserved. *
	6	//* *
	7	//* Primary Authors: Jochen Thaeder <thaeder@kip.uni-heidelberg.de> *
	8	//* for The ALICE HLT Project. *
	9	//* *
	10	//* Permission to use, copy, modify and distribute this software and its *
	11	//* documentation strictly for non-commercial purposes is hereby granted *
	12	//* without fee, provided that the above copyright notice appears in all *
	13	//* copies and that both the copyright notice and this permission notice *
	14	//* appear in the supporting documentation. The authors make no claims *
	15	//* about the suitability of this software for any purpose. It is *
	16	//* provided "as is" without express or implied warranty. *
	17	//**************************************************************************
	18
	19	/** @file AliHLTHOMERProxyHandler.cxx
	20	@author Jochen Thaeder
	21	@date
	22	@brief HOMER proxy handler for HomerManger
	23	*/
	24
	25	// see header file for class documentation
	26	// or
	27	// refer to README to build package
	28	// or
	29	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	30
	31	#if __GNUC__>= 3
	32	using namespace std;
	33	#endif
	34
	35	#include "TDOMParser.h"
	36	#include "TSocket.h"
	37	#include "TSystem.h"
	38	// -- -- -- -- -- -- --
	39	#include "AliHLTHOMERProxyHandler.h"
e728e5ba	40	// -- -- -- -- -- -- --
06272c83	41
	42	ClassImp(AliHLTHOMERProxyHandler)
	43
	44	/*
	45	* ---------------------------------------------------------------------------------
	46	* Constructor / Destructor
	47	* ---------------------------------------------------------------------------------
	48	*/
	49
	50	//##################################################################################
	51	AliHLTHOMERProxyHandler::AliHLTHOMERProxyHandler() :
	52	fRealm(kHLT),
	53	fXmlRpcResponse(""),
	54	fSourceList(NULL) {
	55	// see header file for class documentation
	56	// or
	57	// refer to README to build package
	58	// or
	59	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	60	}
	61
	62	//##################################################################################
	63	AliHLTHOMERProxyHandler::~AliHLTHOMERProxyHandler() {
	64	// see header file for class documentation
	65
	66	}
	67
	68	//##################################################################################
	69	Int_t AliHLTHOMERProxyHandler::Initialize() {
	70	// see header file for class documentation
	71
	72	Int_t iResult = 0 ;
	73
	74	IdentifyRealm();
	75
	76	return iResult;
	77	}
	78
	79	/*
	80	* ---------------------------------------------------------------------------------
	81	* Source List - public
	82	* ---------------------------------------------------------------------------------
	83	*/
	84
	85	//##################################################################################
	86	Int_t AliHLTHOMERProxyHandler::FillSourceList(TList *srcList) {
	87	// see header file for class documentation
	88
	89	Int_t iResult = 0;
	90
	91	fSourceList = srcList;
	92
	93	iResult = RequestXmlRpcResponse();
	94
	95	if (!iResult)
	96	iResult = ProcessXmlRpcResponse();
	97
ae17e63c	98	if (iResult < 0) {
b6bb7ca3	99	HLTError(Form("Filling SourceList failed."));
ae17e63c	100	}
06272c83	101
	102	return iResult;
	103	}
	104
	105	/*
	106	* ---------------------------------------------------------------------------------
	107	* Realms - private
	108	* ---------------------------------------------------------------------------------
	109	*/
	110
	111	//##################################################################################
	112	const Char_t *AliHLTHOMERProxyHandler::fgkHOMERProxyNode[] = {
	113	"portal-dcs0.internal",
	114	"alihlt-dcs0.cern.ch",
	115	"alihlt-vobox0.cern.ch",
	116	"alihlt-gw0.kip.uni-heidelberg.de",
	117	"portal-dcs1.internal",
	118	"alihlt-dcs1.cern.ch",
	119	"alihlt-vobox1.cern.ch",
	120	"alihlt-gw1.kip.uni-heidelberg.de"
	121	};
	122
	123	//##################################################################################
	124	void AliHLTHOMERProxyHandler::IdentifyRealm() {
	125	// see header file for class documentation
	126
	127	TString hostIP(gSystem->GetHostByName(gSystem->HostName()).GetHostAddress());
	128
	129	if ( hostIP.Contains("10.162.") )
	130	fRealm = kHLT;
	131	else if ( hostIP.Contains("10.160.") \|\| hostIP.Contains("10.161.") )
	132	fRealm = kACR;
	133	else if ( hostIP.Contains("129.206.") )
	134	fRealm = kKIP;
	135	else
	136	fRealm = kGPN;
	137
	138	return;
	139	}
	140
	141	/*
	142	* ---------------------------------------------------------------------------------
	143	* Proxy Communication - private
	144	* ---------------------------------------------------------------------------------
	145	*/
	146
	147	//##################################################################################
	148	Int_t AliHLTHOMERProxyHandler::RequestXmlRpcResponse() {
	149	// see header file for class documentation
	150
	151	Int_t iResult = 0;
	152
	153	// -- open socket
	154	// ----------------
	155
	156	Int_t proxyPort = 19999;
	157
	158	TSocket *socket = new TSocket(fgkHOMERProxyNode[fRealm], proxyPort);
	159	if ( ! socket->IsValid() ) {
b6bb7ca3	160	HLTWarning(Form("Failed to create socket to %s:%d,",fgkHOMERProxyNode[fRealm], proxyPort));
b6bb7ca3	161	HLTWarning(Form("trying %s:%d now.", fgkHOMERProxyNode[fRealm+kHOMERRealmsMax],proxyPort));
06272c83	162
	163	socket = new TSocket(fgkHOMERProxyNode[fRealm+kHOMERRealmsMax], proxyPort);
	164	if ( ! socket->IsValid() ) {
b6bb7ca3	165	HLTError(Form("Failed to create socket to %s:%d and %s:%d.",
e728e5ba	166	fgkHOMERProxyNode[fRealm], proxyPort,
	167	fgkHOMERProxyNode[fRealm+kHOMERRealmsMax],proxyPort));
	168
06272c83	169	fRealm = -1;
	170	return -1;
	171	}
	172	else
	173	fRealm = fRealm+kHOMERRealmsMax;
	174	}
	175
	176	// -- send request
	177	// -----------------
	178
	179	Char_t reqMsg[] = "PUT / HTTP/1.1\r\n\
	180	User-Agent: curl/7.18.0 (x86_64-pc-linux-gnu) libcurl/7.18.0 OpenSSL/0.9.8g zlib/1.2.3.3 libidn/1.1\r\n\
	181	Host: localhost:10000\r\n\
	182	Accept: /\r\n\
	183	Content-type: text/xml\r\n\
	184	Content-Length: 68\r\n\
	185	\r\n<methodCall><methodName>getTcpDumpServices</methodName></methodCall>\r\n";
	186
	187	iResult = socket->SendRaw( reqMsg, strlen(reqMsg) );
	188	if ( iResult < 1 \|\|
	189	iResult != static_cast<Int_t>(strlen(reqMsg))) {
b6bb7ca3	190	HLTError(Form("Error sending! -- send length %d -- msg length %d.", iResult, static_cast<Int_t>(strlen(reqMsg)) ));
06272c83	191	socket->Close();
	192	return iResult;
	193	}
	194
	195	// -- receive answer
	196	// -------------------
	197
	198	const Int_t bufferSize = 1024;
	199	Char_t buffer[bufferSize];
	200
	201	Bool_t isXmlRpc = kFALSE;
	202
	203	fXmlRpcResponse = "";
	204
	205	// -- loop for getting full xmlRPC response
	206	while(1) {
	207
	208	Int_t bufferLength = 0;
	209
	210	// -- loop for reading until end of line
	211	while (1) {
	212
	213	iResult = socket->RecvRaw(&buffer[bufferLength], 1);
	214	if ( iResult < 0) {
b6bb7ca3	215	HLTError(Form("Error reading form socket."));
06272c83	216	socket->Close();
	217	return iResult;
	218	}
	219
	220	// -- Checking for end of line
	221	if ( buffer[bufferLength] == 10 ) {
	222	buffer[bufferLength] = 0;
	223	break;
	224	}
	225
	226	++bufferLength;
	227	}
	228
	229	TString bufferString(buffer);
	230
	231	// -- Checking for start of XML response
	232	if ( bufferString.BeginsWith("<?xml") )
	233	isXmlRpc = kTRUE;
	234
	235	// -- Append the xml response
	236	if (isXmlRpc) {
	237	fXmlRpcResponse.Append(bufferString);
	238	}
	239
	240	// -- Checking for end of XML response
	241	if( ! bufferString.CompareTo("</methodResponse>") )
	242	break;
	243	}
	244
	245	// -- close socket
	246	socket->Close();
	247
	248	return 0;
	249	}
	250
	251	//##################################################################################
	252	Int_t AliHLTHOMERProxyHandler::ProcessXmlRpcResponse() {
	253	// see header file for class documentation
	254
	255	Int_t iResult = 0;
	256
	257	// -- Parse XML RPC Response
	258	// ---------------------------
	259
	260	TDOMParser xmlParser;
	261	xmlParser.SetValidate(kFALSE);
	262
a82a31af	263	HLTDebug(Form("XMLResponse: %s",fXmlRpcResponse.Data()));
a82a31af	264
06272c83	265	iResult = xmlParser.ParseBuffer(fXmlRpcResponse.Data(), fXmlRpcResponse.Length());
06272c83	266	if ( iResult < 0 ) {
b6bb7ca3	267	HLTError(Form("Parsing buffer with error: %s",
e728e5ba	268	xmlParser.GetParseCodeMessage(xmlParser.GetParseCode()) ));
	269
	270
06272c83	271	return iResult;
	272	}
	273
	274	TXMLNode * node = xmlParser.GetXMLDocument()->GetRootNode()->
	275	GetChildren()->GetChildren()->GetChildren()->GetChildren();
	276
	277	if ( strcmp( node->GetNodeName(), "string" ) ) {
b6bb7ca3	278	HLTError(Form("No node 'string' in XmlRpcResponse."));
06272c83	279	return -1;
	280	}
	281
	282	// -- Parse Content
	283	// ------------------
	284
	285	// -- Get Content
	286	TString xmlContent(node->GetText() );
	287
9e78371d	288	HLTDebug(Form("XMLContent: %s",xmlContent.Data()));
06272c83	289
	290	iResult = xmlParser.ParseBuffer(xmlContent.Data(), xmlContent.Length());
	291	if ( iResult < 0 ) {
b6bb7ca3	292	HLTError(Form("Parsing buffer with error: %s",
e728e5ba	293	xmlParser.GetParseCodeMessage(xmlParser.GetParseCode()) ));
e728e5ba	294
06272c83	295	return iResult;
	296	}
	297
06272c83	298	if ( !xmlParser.GetXMLDocument()->GetRootNode()->HasChildren() ) {
b6bb7ca3	299	HLTWarning(Form("No Services active."));
ae17e63c	300	return 1;
06272c83	301	}
	302
	303	// -- Loop over all service nodes
	304	TXMLNode* serviceNode = xmlParser.GetXMLDocument()->GetRootNode()->GetChildren();
	305	TXMLNode* prevServiceNode = NULL;
	306
	307	do {
	308	prevServiceNode = serviceNode;
	309
	310	// -- Add service to list
	311	iResult = AddService( serviceNode->GetChildren() );
74682ab7	312	if ( iResult > 0 ) {
b6bb7ca3	313	HLTWarning(Form("Incomplete Service not added."));
74682ab7	314	iResult = 0;
74682ab7	315	}
06272c83	316	} while ( ( serviceNode = prevServiceNode->GetNextNode() ) && !iResult );
06272c83	317
74682ab7	318
74682ab7	319
06272c83	320	return iResult;
	321	}
	322
	323	/*
	324	* ---------------------------------------------------------------------------------
	325	* Source Resolving - private
	326	* ---------------------------------------------------------------------------------
	327	*/
	328
	329	//##################################################################################
	330	Int_t AliHLTHOMERProxyHandler::AddService(TXMLNode *innerNode) {
	331	// see header file for class documentation
	332
	333	Int_t iResult = 0;
	334
b6bb7ca3	335	HLTInfo(Form(">> New service"));
06272c83	336
69f2a104	337	TXMLNode* serviceNode = innerNode;
69f2a104	338
06272c83	339	// -- Loop over all service properties and
	340	// read them from the service tag
	341	// -----------------------------------------
	342
	343	TString hostname = "";
	344	Int_t port = 0;
	345	TString dataType = "";
	346	TString dataOrigin = "";
	347	TString dataSpecification = "";
	348
	349	TXMLNode* prevInnerNode = NULL;
	350
69f2a104	351	// -- Retrieve hostname and port
	352	// -------------------------------
	353
06272c83	354	do {
	355	prevInnerNode = innerNode;
	356
	357	if ( ! strcmp(innerNode->GetNodeName(), "text" ) )
	358	continue;
69f2a104	359
06272c83	360	// -- hostname
69f2a104	361	if ( ! strcmp( innerNode->GetNodeName(), "address") ) {
69f2a104	362	HLTInfo(Form(" > %s ++ %s", innerNode->GetNodeName(), innerNode->GetText() ));
06272c83	363	hostname = innerNode->GetText();
69f2a104	364	}
06272c83	365	else if ( ! strcmp( innerNode->GetNodeName(), "port") ) {
69f2a104	366	HLTInfo(Form(" > %s ++ %s", innerNode->GetNodeName(), innerNode->GetText() ));
06272c83	367	TString portS(innerNode->GetText());
	368	if ( portS.IsDigit() )
	369	port = portS.Atoi();
	370	else {
b6bb7ca3	371	HLTError(Form("Port %s is not a digit.", portS.Data()));
06272c83	372	iResult = -1;
	373	}
	374	}
06272c83	375	} while ( ( innerNode = prevInnerNode->GetNextNode() ) && !iResult );
06272c83	376
06272c83	377
	378	// -- Change hostame from service with proxy, if outside HLT
	379	if ( fRealm != kHLT \|\| fRealm != kHLT+kHOMERRealmsMax )
	380	hostname = fgkHOMERProxyNode[fRealm];
	381
e728e5ba	382
69f2a104	383	// -- Get Data Specifications from blocks
	384	// ----------------------------------------
	385
	386	do {
	387	prevInnerNode = serviceNode;
	388
	389	if ( strcmp( serviceNode->GetNodeName(), "blocks") )
	390	continue;
	391
	392	TXMLNode* blocks = serviceNode->GetChildren();
	393
	394	if ( ! blocks ) {
	395	HLTError(Form("No blocks present"));
	396	return 1;
	397	}
	398
	399	TXMLNode* blockNode = blocks->GetNextNode();
	400	TXMLNode* prevBlockNode = NULL;
	401
	402	if ( ! blockNode ) {
	403	HLTError(Form("No block present in the blocks tag"));
	404	return 1;
	405	}
	406
	407	// -- blocks loop
	408
	409	do {
	410	prevBlockNode = blockNode;
	411
	412	if ( strcmp( blockNode->GetNodeName(), "block") )
	413	continue;
	414
	415	TXMLNode *dataNode = blockNode->GetChildren();
	416	TXMLNode *prevDataNode = NULL;
	417
	418	if ( ! dataNode ) {
	419	HLTError(Form("No data specification tags present in block tag."));
	420	return 1;
	421	}
	422	// -- data spec loop
	423
	424	do {
	425	prevDataNode = dataNode;
	426
	427	if ( ! strcmp(dataNode->GetNodeName(), "text" ) )
	428	continue;
	429
	430	HLTInfo(Form(" %s ++ %s", dataNode->GetNodeName(), dataNode->GetText() ));
	431
	432	if ( ! strcmp( dataNode->GetNodeName(), "dataorigin") ) {
	433	dataOrigin = dataNode->GetText();
	434	}
	435	else if ( ! strcmp( dataNode->GetNodeName(), "datatype") ) {
	436	dataType = dataNode->GetText();
	437	}
	438	else if ( ! strcmp( dataNode->GetNodeName(), "dataspecification") ) {
	439	dataSpecification = dataNode->GetText();
	440	}
	441	} while ( ( dataNode = prevDataNode->GetNextNode() ) && !iResult );
	442
	443	// -- data spec loop
	444
	445	// -- Check the service properties
	446	// ---------------------------------
447
448	// -- Check for completeness of the source properties
449	if ( hostname.IsNull() \|\| !port \|\| dataOrigin.IsNull() \|\|
450	dataType.IsNull() \|\| dataSpecification.IsNull() ) {
451	HLTWarning(Form("Service provides not all values:\n\thostname\t\t %s\n\tport\t\t\t %d\n\tdataorigin\t\t %s\n\tdatatype\t\t %s\n\tdataspecification\t 0x%08X",
452	hostname.Data(), port, dataOrigin.Data(), dataType.Data(), dataSpecification.Atoi()));
453
454	return 1;
455	}
06272c83	456
69f2a104	457	// -- Create new source
	458	// ----------------------
	459
	460	AliHLTHOMERSourceDesc * source = new AliHLTHOMERSourceDesc();
	461	source->SetService( hostname, port, dataOrigin, dataType, dataSpecification );
	462
	463	fSourceList->Add( source );
	464
	465	HLTInfo(Form( "New Source added : %s", source->GetSourceName().Data()));
06272c83	466
69f2a104	467	} while ( ( blockNode = prevBlockNode->GetNextNode() ) && !iResult );
06272c83	468
06272c83	469
69f2a104	470	// -- blocks loop
	471
	472	} while ( ( serviceNode = prevInnerNode->GetNextNode() ) && !iResult );
06272c83	473
	474	return iResult;
	475	}
	476
	477