#define SYNC_PUSH      0x0001
#define SYNC_PULL      0x0002
#define SYNC_CLONE     0x0004
#define SYNC_PRIVATE   0x0008
#define SYNC_VERBOSE   0x0010
#define SYNC_RESYNC    0x0020
#endif

/*
** Floating-point absolute value
*/
static double fossil_fabs(double x){
  return x>0.0 ? x : -x;
}

/*
** Sync to the host identified in g.urlName and g.urlPath.  This
** routine is called by the client.
**
** Records are pushed to the server if pushFlag is true.  Records
** are pulled if pullFlag is true.  A full sync occurs if both are

  const char *zSCode = db_get("server-code", "x");
  const char *zPCode = db_get("project-code", 0);
  int nErr = 0;           /* Number of errors */
  int nRoundtrip= 0;      /* Number of HTTP requests */
  int nArtifactSent = 0;  /* Total artifacts sent */
  int nArtifactRcvd = 0;  /* Total artifacts received */
  const char *zOpType = 0;/* Push, Pull, Sync, Clone */
  double rSkew = 0.0;     /* Maximum time skew */

  if( db_get_boolean("dont-push", 0) ) syncFlags &= ~SYNC_PUSH;
  if( (syncFlags & (SYNC_PUSH|SYNC_PULL|SYNC_CLONE))==0 
     && configRcvMask==0 && configSendMask==0 ) return 0;

  transport_stats(0, 0, 1);
  socket_global_init();

        if( memcmp(zLine, "# timestamp ", 12)==0 ){
          char zTime[20];
          double rDiff;
          sqlite3_snprintf(sizeof(zTime), zTime, "%.19s", &zLine[12]);
          rDiff = db_double(9e99, "SELECT julianday('%q') - %.17g",
                            zTime, rArrivalTime);
          if( rDiff>9e98 || rDiff<-9e98 ) rDiff = 0.0;
          if( (rDiff*24.0*3600.0) > 10.0 ){
             fossil_warning("*** time skew *** server is fast by %s",
                            db_timespan_name(rDiff));
             g.clockSkewSeen = 1;
          }else if( rDiff*24.0*3600.0 < -(blob_size(&recv)/5000.0 + 20.0) ){
          if( rDiff*24.0*3600.0 >= -(blob_size(&recv)/5000.0 + 20) ) rDiff = 0.0;
             fossil_warning("*** time skew *** server is slow by %s",
                            db_timespan_name(-rDiff));
          if( fossil_fabs(rDiff)>fossil_fabs(rSkew) ) rSkew = rDiff;
             g.clockSkewSeen = 1;
          }
        }
        nCardRcvd++;
        continue;
      }
      xfer.nToken = blob_tokenize(&xfer.line, xfer.aToken, count(xfer.aToken));
      nCardRcvd++;
      if( (syncFlags & SYNC_VERBOSE)!=0 && recv.nUsed>0 ){

    ** we have gone at least two rounds.  Always go at least two rounds
    ** on a clone in order to be sure to retrieve the configuration
    ** information which is only sent on the second round.
    */
    if( cloneSeqno<=0 && nCycle>1 ) go = 0;   
  };
  transport_stats(&nSent, &nRcvd, 1);
  if( (rSkew*24.0*3600.0) > 10.0 ){
     fossil_warning("*** time skew *** server is fast by %s",
                    db_timespan_name(rSkew));
     g.clockSkewSeen = 1;
  }else if( rSkew*24.0*3600.0 < -10.0 ){
     fossil_warning("*** time skew *** server is slow by %s",
                    db_timespan_name(-rSkew));
     g.clockSkewSeen = 1;
  }

  fossil_force_newline();
  fossil_print(
     "%s finished with %lld bytes sent, %lld bytes received\n",
     zOpType, nSent, nRcvd);
  transport_close();
  transport_global_shutdown();
  db_multi_exec("DROP TABLE onremote");
  manifest_crosslink_end();
  content_enable_dephantomize(1);
  db_end_transaction(0);
  return nErr;
}