/*********************************************************************
 * Copyright:
 *   GSI, Gesellschaft fuer Schwerionenforschung mbH
 *   Planckstr. 1
 *   D-64291 Darmstadt
 *   Germany
 *********************************************************************
 * ptrevcomm.h
 * communication structures
 *    multi-threaded remote event server <-> ROOT clients
 * created  2. 2.99, Horst Goeringer
 *********************************************************************
 * 23. 3.1999, H.G.: srevInfo added
 * 26. 7.1999, H.G.: sptrevDummy added
 * 10.11.1999, H.G.: iIdent in srevComm added
 *********************************************************************
 */

/* client requests events from server */
typedef struct {
  int iSize; /* size of comm. buffer without this element (bytes) */
  int iMode;                  /* must be 1: client requests data  */
  int iIdent;/* =1: NOT IN NET REPR. to identify client endian type */
  int iBufRequ;                    /* number of buffers requested */
} srevComm;

/* server sends info to client */
typedef struct {
  int iSize;   /* size of info buffer without this element (bytes) */
  int iMode;                  /* must be 1: server sends info */
  /* else: client tries swap */
  int iHeadPar;               /* no. of header parms in buffer */
  int iTimeOut;               /* wait time client after CTL C */
} srevInfo;

/* server sends dummy buffer to client, if no DAQ events available */
typedef struct {
  int iSize;                             /* size of data following */
  int iBufNo;                             /* current buffer number */
  int iEvtNo;                     /* no. of events in buffer (= 0) */
} sptrevDummy;