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rcs_oi.hh

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#ifndef RCS_OI_HH
#define RCS_OI_HH

#include "cms.hh"               /* class CMS */
#include "nml.hh"               /* class NML, typedef NML_FORMAT_PTR */
#include "nmlmsg.hh"            /* class NMLmsg */
#include "cmd_msg.hh"           /* class RCS_CMD_MSG */
#include "oi_msg.hh"            /* class RCS_OI_REQUEST_MSG, */
                                /* class RCS_OI_REPLY_MSG */
                                /* class RCS_OI_REQUEST_CHANNEL, */
                                /* class RCS_OI_REPLY_CHANNEL */

enum OI_MODE_TYPE
{
  OI_TELEOPERATION,
  OI_BLOCKED,
  OI_ACCEPTING_REQUESTS,
  OI_EMERGENCY_REQUESTS_ONLY,
};

class RCS_OI
{
protected:
  RCS_OI_REQUEST_CHANNEL * request_channel;     /* channel for operator to */
  /* send requests to */
  RCS_OI_REPLY_CHANNEL *reply_channel;  /* channel for operator to */
  /* recieve replies from */
  RCS_OI_REQUEST_MSG *request_msg;      /* pointer to last request recvd  */
  RCS_OI_REPLY_MSG *reply_msg;  /* pointer to reply to be sent */
  int new_request_msg;          /* is the request_msg new? */
  int new_reply_msg;            /* is the reply_msg new? */
  NMLTYPE request_type;
  NMLTYPE reply_type;
  OI_MODE_TYPE mode;
  NODE *node;
  int oi_list_id;

  virtual void interpret_request ();    /* interpret incoming requests */
  virtual void choose_command_for_node ();      /* convert request to command  */
  virtual void choose_reply (); /* form replies */

public:
    RCS_OI (NML_FORMAT_PTR, char *name, char *process, char *file, NODE * n);
    RCS_OI ();
    virtual ~ RCS_OI ();

  RCS_CMD_MSG *cmd_for_node;    /* command node will use if operator */
  /* request succeeds */
  int cmd_for_node_new;         /* is cmd_for_node new? */
  int request_flag;             /* NODE checks this flag if */

  virtual int get_request ();
  virtual void set_mode (OI_MODE_TYPE);
  virtual void acknowledge_request ();  /* NODE calls this if cmd_for_node */
  /* will be used. */
  virtual void request_done (); /* NODE calls this when status == done */
  virtual void cycle ();        /* NODE calls this every cycle  */
  virtual int send_reply ();    /* send out replies.  */
};

#endif

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