/* decode download file ------------------------------------------------------*/
static void decodefile(rtksvr_t *svr, int index)
{
nav_t nav;
char file[1024];
int nb;
INIT_ZERO(nav);
tracet(4,"decodefile: index=%d\n",index);
rtksvrlock(svr);
/* check file path completed */
if ((nb=svr->nb[index])<=2||
svr->buff[index][nb-2]!='\r'||svr->buff[index][nb-1]!='\n') {
rtksvrunlock(svr);
return;
}
strncpy(file,(char *)svr->buff[index],nb-2); file[nb-2]='\0';
svr->nb[index]=0;
rtksvrunlock(svr);
if (svr->format[index]==STRFMT_SP3) { /* precise ephemeris */
/* read sp3 precise ephemeris */
readsp3(file,&nav,0);
if (nav.ne<=0) {
tracet(1,"sp3 file read error: %s\n",file);
return;
}
/* update precise ephemeris */
rtksvrlock(svr);
if (svr->nav.peph) free(svr->nav.peph);
svr->nav.ne=svr->nav.nemax=nav.ne;
svr->nav.peph=nav.peph;
svr->ftime[index]=utc2gpst(timeget());
strcpy(svr->files[index],file);
rtksvrunlock(svr);
}
else if (svr->format[index]==STRFMT_RNXCLK) { /* precise clock */
/* read rinex clock */
if (readrnxc(file,&nav)<=0) {
tracet(1,"rinex clock file read error: %s\n",file);
return;
}
/* update precise clock */
rtksvrlock(svr);
if (svr->nav.pclk) free(svr->nav.pclk);
svr->nav.nc=svr->nav.ncmax=nav.nc;
svr->nav.pclk=nav.pclk;
svr->ftime[index]=utc2gpst(timeget());
strcpy(svr->files[index],file);
rtksvrunlock(svr);
}
}
/* read prec ephemeris, sbas data, lex data, tec grid and open rtcm ----------*/
static void readpreceph(char **infile, int n, const prcopt_t *prcopt,
nav_t *nav, sbs_t *sbs, lex_t *lex)
{
seph_t seph0={0};
int i;
char *ext;
trace(3,"readpreceph: n=%d\n",n);
nav->ne=nav->nemax=0;
nav->nc=nav->ncmax=0;
sbs->n =sbs->nmax =0;
lex->n =lex->nmax =0;
/* read precise ephemeris files */
for (i=0;i<n;i++) {
if (strstr(infile[i],"%r")||strstr(infile[i],"%b")) continue;
readsp3(infile[i],nav,0);
}
/* read precise clock files */
for (i=0;i<n;i++) {
if (strstr(infile[i],"%r")||strstr(infile[i],"%b")) continue;
readrnxc(infile[i],nav);
}
/* read sbas message files */
for (i=0;i<n;i++) {
if (strstr(infile[i],"%r")||strstr(infile[i],"%b")) continue;
sbsreadmsg(infile[i],prcopt->sbassatsel,sbs);
}
/* read lex message files */
for (i=0;i<n;i++) {
if (strstr(infile[i],"%r")||strstr(infile[i],"%b")) continue;
lexreadmsg(infile[i],0,lex);
}
/* allocate sbas ephemeris */
nav->ns=nav->nsmax=NSATSBS*2;
if (!(nav->seph=(seph_t *)malloc(sizeof(seph_t)*nav->ns))) {
showmsg("error : sbas ephem memory allocation");
trace(1,"error : sbas ephem memory allocation");
return;
}
for (i=0;i<nav->ns;i++) nav->seph[i]=seph0;
/* set rtcm file and initialize rtcm struct */
rtcm_file[0]=rtcm_path[0]='\0'; fp_rtcm=NULL;
for (i=0;i<n;i++) {
if ((ext=strrchr(infile[i],'.'))&&
(!strcmp(ext,".rtcm3")||!strcmp(ext,".RTCM3"))) {
strcpy(rtcm_file,infile[i]);
init_rtcm(&rtcm);
break;
}
}
}
