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00001 
00002 //
00003 // WebGUI
00004 // ------
00005 //
00006 //            10/19/2006 Philipp Schieferdecker <philipp.schieferdecker@cern.ch>
00008 
00009 
00010 #include "EventFilter/Utilities/interface/WebGUI.h"
00011 
00012 #include "xcept/Exception.h"
00013 #include "xcept/tools.h"
00014 
00015 #include "cgicc/CgiDefs.h"
00016 #include "cgicc/Cgicc.h"
00017 #include "cgicc/HTMLClasses.h"
00018 
00019 #include <sstream>
00020 
00021 
00022 using namespace std;
00023 using namespace evf;
00024 using namespace cgicc;
00025 
00026 
00028 // construction/destruction
00030 
00031 //______________________________________________________________________________
00032 WebGUI::WebGUI(xdaq::Application* app,StateMachine* fsm)
00033   : app_(app)
00034   , fsm_(fsm)
00035   , log_(app->getApplicationContext()->getLogger())
00036   , appInfoSpace_(0)
00037   , monInfoSpace_(0)
00038   , itemGroupListener_(0)
00039   , parametersExported_(false)
00040   , countersAddedToParams_(false)
00041   , largeAppIcon_("/evf/images/rbicon.jpg")
00042   , smallAppIcon_("/evf/images/rbicon.jpg")
00043   , smallDbgIcon_("/evf/images/bugicon.jpg")
00044   , smallCtmIcon_("/evf/images/spoticon.jpg")
00045   , hyperDAQIcon_("/hyperdaq/images/HyperDAQ.jpg")
00046 {
00047   // initialize application information
00048   string       appClass=app_->getApplicationDescriptor()->getClassName();
00049   unsigned int instance=app_->getApplicationDescriptor()->getInstance();
00050   stringstream oss;
00051   oss<<appClass<<instance;
00052   
00053   sourceId_=oss.str();
00054   urn_     ="/"+app_->getApplicationDescriptor()->getURN();
00055   
00056   std::stringstream oss2;
00057   oss2<<"urn:xdaq-monitorable-"<<appClass;
00058   string monInfoSpaceName=oss2.str();
00059   toolbox::net::URN urn = app_->createQualifiedInfoSpace(monInfoSpaceName);
00060   
00061   appInfoSpace_=app_->getApplicationInfoSpace();
00062   monInfoSpace_=xdata::getInfoSpaceFactory()->get(urn.toString());
00063   app_->getApplicationDescriptor()->setAttribute("icon",largeAppIcon_);
00064 
00065   // bind xgi callbacks
00066   xgi::bind(this,&WebGUI::defaultWebPage,"defaultWebPage");
00067   xgi::bind(this,&WebGUI::debugWebPage,  "debugWebPage");
00068   xgi::bind(this,&WebGUI::css,           "styles.css");
00069 
00070   // set itemGroupListener
00071   itemGroupListener_ = dynamic_cast<xdata::ActionListener*>(app_);
00072   if (0!=itemGroupListener_) {
00073     appInfoSpace()->addGroupRetrieveListener(itemGroupListener_);
00074     monInfoSpace()->addGroupRetrieveListener(itemGroupListener_);
00075   }
00076 }
00077 
00078 
00079 //______________________________________________________________________________
00080 WebGUI::~WebGUI()
00081 {
00082   
00083 }
00084 
00085 
00087 // implementation of public member functions
00089 
00090 //______________________________________________________________________________
00091 void WebGUI::defaultWebPage(Input_t *in,Output_t *out) throw (WebGUI::XgiException_t)
00092 {
00093   updateParams();
00094   
00095   *out<<"<html>"<<endl;
00096   htmlHead(in,out,sourceId_);
00097   *out<<body()<<endl;
00098   htmlHeadline(in,out);
00099   *out<<"<table cellpadding=\"25\"><tr valign=\"top\"><td>"<<endl;
00100   htmlTable(in,out,"Standard Parameters",standardParams_);
00101   *out<<"</td><td>"<<endl;
00102   htmlTable(in,out,"Monitored Parameters",monitorParams_);
00103   *out<<"</td></tr></table>"<<endl;
00104   *out<<body()<<endl<<"</html>"<<endl;
00105   return;
00106 }
00107 
00108 
00109 //______________________________________________________________________________
00110 void WebGUI::debugWebPage(Input_t *in,Output_t *out) throw (WebGUI::XgiException_t)
00111 {
00112   updateParams();
00113 
00114   *out<<"<html>"<<endl;
00115   htmlHead(in,out,sourceId_+" [DEBUG]");
00116   *out<<body()<<endl;
00117   htmlHeadline(in,out);
00118   *out<<"<table cellpadding=\"25\"><tr valign=\"top\"><td>"<<endl;
00119   htmlTable(in,out,"Debug Parameters",debugParams_);
00120   *out<<"</td></tr></table>"<<endl;
00121   *out<<body()<<endl<<"</html>"<<endl;
00122   return;
00123 }
00124 
00125 
00126 //______________________________________________________________________________
00127 void WebGUI::css(Input_t *in,Output_t *out) throw (WebGUI::XgiException_t)
00128 {
00129   css_.css(in,out);
00130 }
00131 
00132 
00133 //______________________________________________________________________________
00134 void WebGUI::addStandardParam(CString_t& name,Param_t* param)
00135 {
00136   if (parametersExported_) {
00137     LOG4CPLUS_ERROR(log_,"Failed to add standard parameter '"<<name<<"'.");
00138     return;
00139   }
00140   standardParams_.push_back(make_pair(name,param));
00141 }
00142 
00143 
00144 //______________________________________________________________________________
00145 void WebGUI::addMonitorParam(CString_t& name,Param_t* param)
00146 {
00147   if (parametersExported_) {
00148     LOG4CPLUS_ERROR(log_,"Failed to add monitor parameter '"<<name<<"'.");
00149     return;
00150   }
00151   monitorParams_.push_back(make_pair(name,param));
00152 }
00153 
00154 
00155 //______________________________________________________________________________
00156 void WebGUI::addDebugParam(CString_t& name,Param_t* param)
00157 {
00158   if (parametersExported_) {
00159     LOG4CPLUS_ERROR(log_,"Failed to add debug parameter '"<<name<<"'.");
00160     return;
00161   }
00162   debugParams_.push_back(make_pair(name,param));
00163 }
00164 
00165 
00166 //______________________________________________________________________________
00167 void WebGUI::addStandardCounter(CString_t& name,Counter_t* counter)
00168 {
00169   if (countersAddedToParams_) {
00170     LOG4CPLUS_ERROR(log_,"can't add standard counter '"<<name
00171                     <<"' to WebGUI of "<<sourceId_);
00172   }
00173   standardCounters_.push_back(make_pair(name,counter));
00174 }
00175 
00176 
00177 //______________________________________________________________________________
00178 void WebGUI::addMonitorCounter(CString_t& name,Counter_t* counter)
00179 {
00180   if (countersAddedToParams_) {
00181     LOG4CPLUS_ERROR(log_,"can't add monitor counter '"<<name
00182                     <<"' to WebGUI of "<<sourceId_);
00183   }
00184   monitorCounters_.push_back(make_pair(name,counter));
00185 }
00186 
00187 
00188 //______________________________________________________________________________
00189 void WebGUI::addDebugCounter(CString_t& name,Counter_t* counter)
00190 {
00191   if (countersAddedToParams_) {
00192     LOG4CPLUS_ERROR(log_,"can't add debug counter '"<<name
00193                     <<"' to WebGUI of "<<sourceId_);
00194   }
00195   debugCounters_.push_back(make_pair(name,counter));
00196 }
00197 
00198 
00199 //______________________________________________________________________________
00200 void WebGUI::exportParameters()
00201 {
00202   if (parametersExported_) return;
00203 
00204   if (!countersAddedToParams_) addCountersToParams();
00205 
00206   addParamsToInfoSpace(standardParams_,appInfoSpace());
00207   addParamsToInfoSpace(monitorParams_, appInfoSpace());
00208   addParamsToInfoSpace(debugParams_,   appInfoSpace());
00209 
00210   addParamsToInfoSpace(monitorParams_,monInfoSpace());
00211   
00212   parametersExported_=true;
00213 }
00214 
00215 
00216 //______________________________________________________________________________
00217 void WebGUI::resetCounters()
00218 {
00219   // standard counters
00220   for (unsigned int i=0;i<standardCounters_.size();i++) {
00221     Counter_t* counter=standardCounters_[i].second;
00222     *counter=0;
00223   }
00224   // monitor counters
00225   for (unsigned int i=0;i<monitorCounters_.size();i++) {
00226     Counter_t* counter=monitorCounters_[i].second;
00227     *counter=0;
00228   }
00229   // debug counters
00230   for (unsigned int i=0;i<debugCounters_.size();i++) {
00231     Counter_t* counter=debugCounters_[i].second;
00232     *counter=0;
00233   }
00234 }
00235 
00236 
00237 //______________________________________________________________________________
00238 void WebGUI::addItemChangedListener(CString_t& name,xdata::ActionListener* l)
00239 {
00240   if (!parametersExported_) {
00241     LOG4CPLUS_ERROR(log_,"Can't add ItemChangedListener for parameter '"<<name
00242                     <<"' before WebGUI::exportParameters() is called.");
00243     return;
00244   }
00245   
00246   try {
00247     appInfoSpace()->addItemChangedListener(name,l);
00248   }
00249   catch (xcept::Exception) {
00250     LOG4CPLUS_ERROR(log_,"failed to add ItemChangedListener to "
00251                     <<"application infospace for parameter '"<<name<<"'.");
00252   }
00253   
00254   if (isMonitorParam(name)) {
00255     try {
00256       monInfoSpace()->addItemChangedListener(name,l);
00257     }
00258     catch (xcept::Exception) {
00259       LOG4CPLUS_ERROR(log_,"failed to add ItemChangedListener to "
00260                       <<"monitor infospace for parameter '"<<name<<"'.");
00261     }
00262   }
00263   
00264 }
00265 
00266 
00268 // implementation of private member functions
00270 
00271 //______________________________________________________________________________
00272 void WebGUI::addParamsToInfoSpace(const ParamVec_t& params,
00273                                   xdata::InfoSpace* infoSpace)
00274 {
00275   for (unsigned int i=0;i<params.size();i++) {
00276     string   name =params[i].first;
00277     Param_t* value=params[i].second;
00278     try {
00279       infoSpace->fireItemAvailable(name,value);
00280     }
00281     catch (xcept::Exception &e) {
00282       LOG4CPLUS_ERROR(log_,"Can't add parameter '"<<name<<"' to info space '"
00283                       <<infoSpace->name()<<"': "
00284                       <<xcept::stdformat_exception_history(e));
00285     }
00286   }
00287 }
00288 
00289     
00290 //______________________________________________________________________________
00291 void WebGUI::addCountersToParams()
00292 {
00293   if (countersAddedToParams_) return;
00294 
00295   // standard counters 
00296   for (unsigned int i=0;i<standardCounters_.size();i++) {
00297     standardParams_.push_back(make_pair(standardCounters_[i].first,
00298                                         standardCounters_[i].second));
00299   }
00300   // monitor counters 
00301   for (unsigned int i=0;i<monitorCounters_.size();i++) {
00302     monitorParams_.push_back(make_pair(monitorCounters_[i].first,
00303                                        monitorCounters_[i].second));
00304   }
00305   // debug counters 
00306   for (unsigned int i=0;i<debugCounters_.size();i++) {
00307     debugParams_.push_back(make_pair(debugCounters_[i].first,
00308                                      debugCounters_[i].second));
00309   }
00310   countersAddedToParams_=true;
00311 }
00312 
00313 
00314 //______________________________________________________________________________
00315 bool WebGUI::isMonitorParam(CString_t& name)
00316 {
00317   ParamVec_t::const_iterator it;
00318   for (it=monitorParams_.begin();it!=monitorParams_.end();++it)
00319     if (it->first==name) return true;
00320   return false;
00321 }
00322 
00323 
00324 //______________________________________________________________________________
00325 void WebGUI::updateParams()
00326 {
00327   if (0!=itemGroupListener_) {
00328     std::list<std::string> emptyList;
00329     appInfoSpace()->fireItemGroupRetrieve(emptyList,itemGroupListener_);
00330   }
00331 }
00332 
00333 
00334 //______________________________________________________________________________
00335 void WebGUI::htmlTable(Input_t*in,Output_t*out,
00336                        CString_t& title,const ParamVec_t& params)
00337 {
00338   *out<<table().set("frame","void").set("rules","rows")
00339                .set("class","modules").set("width","300")<<endl
00340       <<tr()<<th(title).set("colspan","2")<<tr()<<endl
00341       <<tr()
00342       <<th("Parameter").set("align","left")
00343       <<th("Value").set("align","right")
00344       <<tr()
00345       <<endl;
00346 
00347   for (unsigned int i=0;i<params.size();i++) {
00348     string valueAsString;
00349     try {
00350       valueAsString = params[i].second->toString();
00351     }
00352     catch (xcept::Exception& e) {
00353       valueAsString = e.what();
00354     }
00355     *out<<tr()
00356         <<td(params[i].first).set("align","left")
00357         <<td(valueAsString).set("align","right")
00358         <<tr()<<endl;
00359   }
00360   *out<<table()<<endl;
00361 }
00362 
00363 
00364 //______________________________________________________________________________
00365 void WebGUI::htmlHead(Input_t *in,Output_t* out,CString_t& pageTitle)
00366 {
00367   *out<<head()<<endl<<cgicc::link().set("type","text/css")
00368                                    .set("rel","stylesheet")
00369                                    .set("href",urn_+"/styles.css")
00370       <<endl<<title(pageTitle.c_str())<<endl<<head()<<endl;
00371 }
00372 
00373 
00374 //______________________________________________________________________________
00375 void WebGUI::htmlHeadline(Input_t *in,Output_t *out)
00376 {
00377   string stateName=fsm_->stateName()->toString();
00378   
00379   *out<<table().set("border","0").set("width","100%")<<endl
00380       <<tr()<<td().set("align","left")<<endl
00381       <<img().set("align","middle").set("src",largeAppIcon_)
00382              .set("alt","main")    .set("width","64")
00383              .set("height","64")   .set("border","")
00384       <<endl
00385       <<b()<<sourceId_<<"    "<<stateName<<b()<<endl
00386       <<td()<<endl
00387       <<td().set("width","32")<<endl
00388       <<a().set("href","/urn:xdaq-application:lid=3")
00389       <<img().set("align","middle").set("src",hyperDAQIcon_)
00390              .set("alt","HyperDAQ").set("width","32")
00391              .set("height","32")   .set("border","")
00392       <<a()
00393       <<td()<<endl
00394       <<td().set("width","32")<<td() 
00395       <<td().set("width","32")
00396       <<a().set("href",urn_+"/defaultWebPage")
00397       <<img().set("align","middle").set("src",smallAppIcon_)
00398              .set("alt","Debug")   .set("width","32")
00399              .set("height","32")   .set("border","")
00400       <<a()
00401       <<td()<<endl
00402       <<td().set("width","32")<<td() 
00403       <<td().set("width","32")
00404       <<a().set("href",urn_+"/debugWebPage")
00405       <<img().set("align","middle").set("src",smallDbgIcon_)
00406              .set("alt","Debug")   .set("width","32")
00407              .set("height","32")   .set("border","")
00408       <<a()
00409       <<td()<<endl
00410       <<td().set("width","32")<<td() 
00411       <<td().set("width","32")
00412       <<a().set("href",urn_+"/customWebPage")
00413       <<img().set("align","middle").set("src",smallCtmIcon_)
00414              .set("alt","Debug")   .set("width","32")
00415              .set("height","32")   .set("border","")
00416       <<a()
00417       <<td()<<tr()<<table()<<endl;
00418   *out<<hr()<<endl;
00419 }