JobCModuleRegistry Class Reference

#include <JobCModuleRegistry.h>

List of all members.

Public Member Functions
	~JobCModuleRegistry ()
void	Register (JobCModuleProxy *jobcModuleProxy)
JobCModuleProxy *	LookUp (const char *name, bool loadlibs=true)
Static Public Member Functions
static JobCModuleRegistry &	Instance ()
Private Member Functions
	JobCModuleRegistry ()
	JobCModuleRegistry (JobCModuleRegistry &)
JobCModuleRegistry &	operator= (const JobCModuleRegistry &)
int	BuildModToLibMap ()
int	CheckLibMap (const std::string &mod)
Private Attributes
std::list< JobCModuleProxy * >	fModuleTable
std::map< std::string, std::string >	fModLibMap
Static Private Attributes
static JobCModuleRegistry *	fInstance = 0
Friends
struct	Cleaner
std::ostream &	operator<< (std::ostream &os, const JobCModuleRegistry &jcr)
Classes
struct	Cleaner

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Detailed Description

Definition at line 39 of file JobCModuleRegistry.h.

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Constructor & Destructor Documentation

JobCModuleRegistry::~JobCModuleRegistry

(

)

Definition at line 37 of file JobCModuleRegistry.cxx.

{}

JobCModuleRegistry::JobCModuleRegistry

(

)

[private]

Definition at line 93 of file JobCModuleRegistry.cxx.

References BuildModToLibMap(), MsgService::GetStream(), MsgService::Instance(), Msg::kVerbose, and MsgStream::SetLogLevel().

{
#ifdef DEBUG_JOBC
#include <MessageService/MsgStream.h>
  // Setting this debug level at run time is too late in this case...
  MsgService::Instance()->GetStream("JobC")->SetLogLevel(Msg::kVerbose);
#endif
  this->BuildModToLibMap();
}

JobCModuleRegistry::JobCModuleRegistry

(

JobCModuleRegistry &

)

[inline, private]

Definition at line 54 of file JobCModuleRegistry.h.

{ abort(); }

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Member Function Documentation

int JobCModuleRegistry::BuildModToLibMap

(

)

[private]

Definition at line 117 of file JobCModuleRegistry.cxx.

References fModLibMap, Msg::kWarning, len, and MSG.

Referenced by JobCModuleRegistry().

{
//======================================================================
// Poke around looking for a "jobmodules.txt" file and use it to build
// the map of which libraries provide which modules
//======================================================================

  // Try to find a jobmodules file which lists which libraries provide
  // which modules
  FILE* fp = 0;
  // First try in the private release
  const char* tmp = getenv("SRT_PRIVATE_CONTEXT");
  if (!tmp) return 0;
  std::string modfile = tmp;
  modfile += "/tmp/jobmodules.txt";
  if ( (fp=fopen(modfile.c_str(),"r"))==0 ) {
    // Next, try the public release
    tmp = getenv("SRT_PUBLIC_CONTEXT");
    if (!tmp) return 0;
    std::string modfile = tmp;
    modfile += "/tmp/jobmodules.txt";
    if ( (fp=fopen(modfile.c_str(),"r"))==0 ) {
      // Finally try in /tmp
      modfile = "/tmp/jobmodules.txt";
      if ( (fp=fopen(modfile.c_str(),"r"))==0 ) {
        // Give up...
        return 0;
      }
    }
  }
  
  // To get here fp must be valid
  std::string lib = "";
  char buff[256];
  while (fgets(buff,255,fp)) {
    if (buff[0]=='#') continue;

    // Get rid of leading and training white space
    const char* b = buff;
    for (; *b==' ' && *b!='\0'; ++b);
    int len = strlen(buff)-1;
    for (; len>0 && (buff[len]==' '||buff[len]=='\n'); --len);
    buff[len+1] = '\0';
    
    // Figure out if entry is library or module
    len = strlen(b);
    if (len<2) continue;
    const char* tag = b + len - 3;
    if (strncmp(b,"lib",3)==0 && strncmp(tag, ".so",3)==0) {
      lib = b;
    }
    else {
      std::string module = b;
      if (fModLibMap[module]=="") {
        fModLibMap[module] = lib;
      }
      else {
        if (!(fModLibMap[module] == lib)) {
          MSG("JobC",Msg::kWarning) << 
            "Duplicate entry: " << 
            module << "->" << fModLibMap[module] << "," <<
            module << "->" << lib                << "." << 
            std::endl;
        }
      }
    }
  }
  fclose(fp);
  return 1;
}

int JobCModuleRegistry::CheckLibMap

(

const std::string &

mod

)

[private]

Definition at line 190 of file JobCModuleRegistry.cxx.

References fModLibMap, gSystem(), Msg::kWarning, and MSG.

{
  std::string lib = fModLibMap[module];
  if (lib=="") {
    MSG("JobC",Msg::kWarning) << 
      "\n" <<
      "Unable to find module '"<<module<<"' in job module list.\n" <<
      "Consider regenerating list with 'makemodulemap' command or\n" <<
      "edit the $SRT_PRIVATE_CONTEXT/tmp/jobmodules.txt file by hand.\n";
    return 0;
  }
  if (gSystem) {
    if (gSystem->Load(lib.c_str())==0) {
      // Loaded OK, we can remove entries pointing at this library
      std::map<std::string,std::string>::iterator itr(fModLibMap.begin());
      std::map<std::string,std::string>::iterator itrEnd(fModLibMap.end());
      for (;itr!=itrEnd;++itr) {
        if (itr->first == lib) fModLibMap.erase(itr);
      }
      return 1;
    }
  }
  return 0;
}

JobCModuleRegistry & JobCModuleRegistry::Instance

(

)

[static]

Definition at line 105 of file JobCModuleRegistry.cxx.

References JobCModuleRegistry::Cleaner::ClassIsUsed(), and fInstance.

Referenced by JobCPath::GetModule(), JobController::Help(), JobCDisplayModule::Start(), and JobCInput::Use().

{
  static JobCModuleRegistry::Cleaner c; // end-of-run clean up
  if (fInstance==0) {
    c.ClassIsUsed(); // Keeps compiler's quite if I "use" this object
    fInstance = new JobCModuleRegistry;
  }
  return *fInstance;
}

JobCModuleProxy * JobCModuleRegistry::LookUp	(	const char *	name,
		bool	loadlibs = true
	)

Definition at line 73 of file JobCModuleRegistry.cxx.

References fModuleTable.

Referenced by JobCPath::GetModule(), JobController::Help(), JobCDisplayModule::Start(), and JobCInput::Use().

{
  // Check if its in table
  list<JobCModuleProxy*>::iterator itrModuleTable;
  for (itrModuleTable  = fModuleTable.begin();
       itrModuleTable != fModuleTable.end();
       ++itrModuleTable) {
    if (strcmp(name,(*itrModuleTable)->GetName())==0) {
      return (*itrModuleTable);
    }
  }
  
  // Not in table... try loading libraries
  if (loadlib && this->CheckLibMap(name)) return this->LookUp(name);

  return 0;
}

JobCModuleRegistry& JobCModuleRegistry::operator=

(

const JobCModuleRegistry &

)

[inline, private]

Definition at line 55 of file JobCModuleRegistry.h.

                                                                       { 
    abort(); return *this;
  }

void JobCModuleRegistry::Register

(

JobCModuleProxy *

jobcModuleProxy

)

Definition at line 41 of file JobCModuleRegistry.cxx.

References fModuleTable, JobCModuleProxy::GetName(), Msg::kDebug, and MSG.

{
  const char* modName = proxy->GetName();
  // Add the module to the table
  if (this->LookUp(modName,false)) {
    // MSG("JobC", Msg::kWarning)
    // << "A job module named " << modName << " is already registered!\n"
    // << "Duplicate module names are not allowed!\n";
    return;
  }
  else {
    // Do insertions in alphabetical order
    list<JobCModuleProxy*>::iterator itrModuleTable;
    for (itrModuleTable  = fModuleTable.begin();
         itrModuleTable != fModuleTable.end();
         ++itrModuleTable) {
      if (strcmp(modName,(*itrModuleTable)->GetName())<0) {
        break;
      }
    }
    fModuleTable.insert(itrModuleTable,proxy);
#ifdef SITE_HAS_SIGC // temporary
    this->SigRegister(modName);
#endif
    MSG("JobC", Msg::kDebug) 
      << "Registered job module " << modName << " " 
      << proxy << ".\n";
  }
}

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Friends And Related Function Documentation

friend struct Cleaner [friend]

Definition at line 69 of file JobCModuleRegistry.h.

std::ostream& operator<<	(	std::ostream &	os,
		const JobCModuleRegistry &	jcr
	)			[friend]

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Member Data Documentation

JobCModuleRegistry * JobCModuleRegistry::fInstance = 0 [static, private]

Definition at line 81 of file JobCModuleRegistry.h.

Referenced by Instance(), and JobCModuleRegistry::Cleaner::~Cleaner().

std::map<std::string,std::string> JobCModuleRegistry::fModLibMap [private]

Definition at line 83 of file JobCModuleRegistry.h.

Referenced by BuildModToLibMap(), and CheckLibMap().

std::list<JobCModuleProxy*> JobCModuleRegistry::fModuleTable [private]

Definition at line 82 of file JobCModuleRegistry.h.

Referenced by LookUp(), operator<<(), and Register().

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The documentation for this class was generated from the following files:

• JobCModuleRegistry.h
• JobCModuleRegistry.cxx

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