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Description: Phusion Passenger (mod_rails)
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passenger / ext / apache2 / Application.h
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#ifndef _PASSENGER_APPLICATION_H_
#define _PASSENGER_APPLICATION_H_
 
#include <sys/types.h>
#include <boost/shared_ptr.hpp>
#include <string>
#include "Utils.h"
 
namespace Passenger {
 
using namespace std;
using namespace boost;
 
// TODO: write better documentation
class Application {
private:
  string appRoot;
  pid_t pid;
  int reader, writer;
public:
  Application(const string &theAppRoot, pid_t pid, int reader, int writer) {
    appRoot = theAppRoot;
    this->pid = pid;
    this->reader = reader;
    this->writer = writer;
    P_TRACE("Application " << this << ": created.");
  }
  
  ~Application() {
    closeReader();
    closeWriter();
    P_TRACE("Application " << this << ": destroyed.");
  }
  
  void detachCommunicationChannels() {
    reader = -1;
    writer = -1;
  }
  
  string getAppRoot() const {
    return appRoot;
  }
  
  pid_t getPid() const {
    return pid;
  }
  
  int getReader() const {
    return reader;
  }
  
  int getWriter() const {
    return writer;
  }
  
  void closeReader() {
    if (reader != -1) {
      close(reader);
      reader = -1;
      P_TRACE("Application " << this << ": reader closed.");
    }
  }
  
  void closeWriter() {
    if (writer != -1) {
      close(writer);
      writer = -1;
      P_TRACE("Application " << this << ": writer closed.");
    }
  }
};
 
typedef shared_ptr<Application> ApplicationPtr;
 
} // namespace Passenger
 
#endif /* _PASSENGER_APPLICATION_H_ */