mcs/FileDescriptor.h

   1 #ifndef _FILEDESCRIPTOR_H_
   2 #define _FILEDESCRIPTOR_H_
   3
   4 #include "types.h"
   5 #include "database.h"
   6 #include "constants.h"
   7 #include <stdlib.h>
   8 #include <sys/poll.h>
   9 #include <signal.h>
  10 #include <sys/time.h>
  11 #include <errno.h>
  12
  13 namespace remote { namespace mcs {
  14
  15 class FileDescriptor;
  16
  17 typedef std::map<int,FileDescriptor*> filedescriptorsbyfd_t;
  18
  19 /** Base class for handling socket connections through file descriptors.
  20  *
  21  **/
  22 class FileDescriptor
  23 {
  24         public:
  25                 /** Main service loop using poll() system call to receive fd events**/
  26                 static void serviceLoop();
  27                 /** Handles an event on a specific file descriptor **/
  28                 virtual void handleEvent(short events) = 0;
  29                 /** Clean up and destroy a FileDescriptor object **/
  30                 virtual void destroy(bool silent=false);
  31         protected:
  32                 void setTimeout(int secs);
  33                 static void clearTimeout();
  34                 FileDescriptor(int p_fd);
  35                 virtual ~FileDescriptor();
  36                 static void buildPollMap(pollfd* map);
  37                 static void timeoutHandler(int sig);
  38                 static void ignoreBrokenPipeSignals();
  39                 static filedescriptorsbyfd_t instances;
  40                 static int currentFd;
  41                 int fd;
  42
  43 };
  44
  45 }}
  46
  47 #endif