// solution initialisation
int cplex_solver::init_solutions() {
int status;
int cur_numcols = CPXgetnumcols (env, lp);
if (solution != (double *)NULL) free(solution);
if ((solution = (double *)malloc(nb_vars*sizeof(double))) == (double *)NULL) {
fprintf (stderr, "cplex_solver: init_solutions: cannot get enough memory to store solutions.\n");
exit(-1);
}
status = CPXgetx (env, lp, solution, 0, cur_numcols-1);
if ( status ) {
fprintf (stderr, "cplex_solver: init_solutions: failed to get solutions.\n");
exit(-1);
} else if (verbosity >= VERBOSE) {
// Output model to file (when requested)
writesol(C_STR("sol-cplex.xml"));
}
return 0;
}
static void *rtksvrthread(void *arg)
#endif
{
rtksvr_t *svr=(rtksvr_t *)arg;
obs_t obs;
obsd_t data[MAXOBS*2];
double tt;
unsigned int tick,ticknmea;
unsigned char *p,*q;
int i,j,n,fobs[3],cycle,cputime;
INIT_ZERO(fobs);
tracet(3,"rtksvrthread:\n");
svr->state=1; obs.data=data;
svr->tick=tickget();
ticknmea=svr->tick-1000;
for (cycle=0;svr->state;cycle++) {
tick=tickget();
for (i=0;i<3;i++) {
p=svr->buff[i]+svr->nb[i]; q=svr->buff[i]+svr->buffsize;
/* read receiver raw/rtcm data from input stream */
if ((n=strread(svr->stream+i,p,q-p))<=0) {
continue;
}
/* write receiver raw/rtcm data to log stream */
strwrite(svr->stream+i+5,p,n);
svr->nb[i]+=n;
/* save peek buffer */
rtksvrlock(svr);
n=n<svr->buffsize-svr->npb[i]?n:svr->buffsize-svr->npb[i];
memcpy(svr->pbuf[i]+svr->npb[i],p,n);
svr->npb[i]+=n;
rtksvrunlock(svr);
}
for (i=0;i<3;i++) {
if (svr->format[i]==STRFMT_SP3||svr->format[i]==STRFMT_RNXCLK) {
/* decode download file */
decodefile(svr,i);
}
else {
/* decode receiver raw/rtcm data */
fobs[i]=decoderaw(svr,i);
}
}
for (i=0;i<fobs[0];i++) { /* for each rover observation data */
obs.n=0;
for (j=0;j<svr->obs[0][i].n&&obs.n<MAXOBS*2;j++) {
obs.data[obs.n++]=svr->obs[0][i].data[j];
}
for (j=0;j<svr->obs[1][0].n&&obs.n<MAXOBS*2;j++) {
obs.data[obs.n++]=svr->obs[1][0].data[j];
}
/* rtk positioning */
rtksvrlock(svr);
rtkpos(&svr->rtk,obs.data,obs.n,&svr->nav);
rtksvrunlock(svr);
if (svr->rtk.sol.stat!=SOLQ_NONE) {
/* adjust current time */
tt=(int)(tickget()-tick)/1000.0+DTTOL;
timeset(gpst2utc(timeadd(svr->rtk.sol.time,tt)));
/* write solution */
writesol(svr,i);
}
/* if cpu overload, inclement obs outage counter and break */
if ((int)(tickget()-tick)>=svr->cycle) {
svr->prcout+=fobs[0]-i-1;
#if 0 /* omitted v.2.4.1 */
break;
#endif
}
}
/* send null solution if no solution (1hz) */
if (svr->rtk.sol.stat==SOLQ_NONE&&cycle%(1000/svr->cycle)==0) {
writesol(svr,0);
}
/* send nmea request to base/nrtk input stream */
if (svr->nmeacycle>0&&(int)(tick-ticknmea)>=svr->nmeacycle) {
if (svr->stream[1].state==1) {
if (svr->nmeareq==1) {
strsendnmea(svr->stream+1,svr->nmeapos);
}
else if (svr->nmeareq==2&&norm(svr->rtk.sol.rr,3)>0.0) {
strsendnmea(svr->stream+1,svr->rtk.sol.rr);
}
}
ticknmea=tick;
}
if ((cputime=(int)(tickget()-tick))>0) svr->cputime=cputime;
/* sleep until next cycle */
sleepms(svr->cycle-cputime);
}
for (i=0;i<MAXSTRRTK;i++) strclose(svr->stream+i);
for (i=0;i<3;i++) {
svr->nb[i]=svr->npb[i]=0;
free(svr->buff[i]); svr->buff[i]=NULL;
free(svr->pbuf[i]); svr->pbuf[i]=NULL;
free_raw (svr->raw +i);
free_rtcm(svr->rtcm+i);
}
for (i=0;i<2;i++) {
svr->nsb[i]=0;
free(svr->sbuf[i]); svr->sbuf[i]=NULL;
}
return 0;
}