pluginmonitor.h

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#ifndef PLUGINMONITOR_H
#define PLUGINMONITOR_H

#include <signal.h>
#include <string>
#include <vector>

namespace dazeus {

struct PluginState;
struct PluginConfig;
struct NetworkConfig;
struct SocketConfig;

class PluginMonitor
{
  public:
          PluginMonitor(SocketConfig *socket, std::string pluginDirectory,
              const std::vector<PluginConfig*> &plugins,
              const std::vector<NetworkConfig*> &networks);
         ~PluginMonitor();

    bool  shouldRun() { return should_run_; }
    void  runOnce();
    void  sigchild() { should_run_ = 1; }

  private:
    // explicitly disable copy constructor
    PluginMonitor(const PluginMonitor&);
    void operator=(const PluginMonitor&);

    bool start_plugin(PluginState *state);
    static pid_t fork_plugin(const std::string path, const std::vector<std::string> arguments, const std::string executable);
    static void stop_plugin(PluginState *state, bool hard);
    static void plugin_failed(PluginState *state, bool permanent = false);

    std::string pluginDirectory_;
    SocketConfig *socket_;
    std::vector<PluginState*> state_;
    volatile sig_atomic_t should_run_;
};

}

#endif