// CondorCodTable.h
#ifndef dial__CondorCodTable_H_Included
#define dial__CondorCodTable_H_Included

// 
// By Nagesh Chetan
// April 2004
//

#include <map>
#include <string>

namespace dial
{
// contains the machines and their COD claims, and methods to 
// request and release

struct structClaimDetails	
{
	std::string strMachineName;
	std::string strClaimStatus;
};

class CondorCodTable
{

public:
  typedef std::multimap<std::string, dial::structClaimDetails> Mmap_string;

private:

  // a multimap that stores the machines with their claim IDs  
  Mmap_string m_MmapMachine_IDs;

  // file that contains the list of machines where claims need to be obtained
  std::string m_MachineFile;

  // file that will contain claim IDs obtained
  std::string m_ClaimIdFile;

  // temporary file into which the result of the condor_status -cod is written into
  std::string m_tmpFile;

  // working directory where all the files are read from/written into
  std::string m_WorkingDir;

  // temporary directory
  std::string m_TmpDir; 
  

public:
  // constructor that reads from a file acquires claims and writes to a file
  CondorCodTable(std::string = "Machines.dat" , std::string = "claims.id", std::string = "tmp.file");

  const Mmap_string& getmapmachine_IDs() const { return m_MmapMachine_IDs; }

  // calls the display_table() function
  std::ostream& ostr(std::ostream& lhs) const;
  
  // method that retrieves a free claim (claim status = IDLE) and the machine the free claim is on 
  std::string getfreeclaim(std::string* = 0);

  // updating the claim status
  void updateClaimState(std::string ClaimIdA, std::string Status);
  
  // request claims on free machines, funcitonality depends on service type
  int requestclaims();

  // store ClaimID into m_MmapMachine_IDs
  void storeclaimID(std::string);
  
  // to suspend an application on a claim
  int suspendclaim(std::string);

  // to resume the application on a claim
  int resumeclaim(std::string);
      
  // destructor
  // releases all claims acquired
  ~CondorCodTable();

};

} // end of namespace dial

// displays all the entries in the multimap members of the class Table
std::ostream& display_table(std::ostream&, const dial::CondorCodTable&);

// overloading the << operator to display the contents of the multimap
std::ostream& operator<<(std::ostream&, const dial::CondorCodTable&);

#endif //dial__CondorCodTable_H_Included