remote.h

   1 // systemtap remote execution
   2 // Copyright (C) 2010-2011 Red Hat Inc.
   3 //
   4 // This file is part of systemtap, and is free software.  You can
   5 // redistribute it and/or modify it under the terms of the GNU General
   6 // Public License (GPL); either version 2, or (at your option) any
   7 // later version.
   8
   9 #ifndef REMOTE_H
  10 #define REMOTE_H
  11
  12 #include <string>
  13 #include <vector>
  14
  15 extern "C" {
  16 #include <poll.h>
  17 }
  18
  19 #include "session.h"
  20
  21 class remote {
  22   private:
  23     virtual int prepare() { return 0; }
  24     virtual int start() = 0;
  25     virtual int finish() = 0;
  26
  27     virtual void prepare_poll(std::vector<pollfd>&) {}
  28     virtual void handle_poll(std::vector<pollfd>&) {}
  29
  30   protected:
  31     systemtap_session* s;
  32     std::string prefix; // stap --remote-prefix
  33     std::string staprun_r_arg; // PR13354 data: remote_uri()/remote_idx()
  34
  35     remote(systemtap_session& s): s(&s) {}
  36
  37   public:
  38     static remote* create(systemtap_session& s, const std::string& uri, int idx);
  39     static int run(const std::vector<remote*>& remotes);
  40
  41     systemtap_session* get_session() { return s; }
  42
  43     virtual ~remote() {}
  44 };
  45
  46 #endif // REMOTE_H
  47
  48 /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */