void fifoClear( void ) {
//Drain the fifo data and dump it
while( (fifoGetStatus() & 0x1000 ) == 0 ) {
fifoRead();
}
}
/**
* Executes a product-maker.
*
* This function is thread-compatible but not thread-safe.
*
* @retval (void*)0 The FIFO was closed.
* @retval (void*)1 Usage failure. \c log_start() called.
* @retval (void*)2 O/S failure. \c log_start() called.
* @retval (void*)-1 Retransmission failure. \c log_start() called.
*/
void* pmStart(
void* const arg) /**< [in/out] Pointer to the
* product-maker to be executed */
{
ProductMaker* const productMaker = (ProductMaker*)arg;
int status;
Fifo* const fifo = productMaker->fifo;
unsigned char* buf = productMaker->buf;
sbn_struct* sbn = &productMaker->sbn;
pdh_struct* pdh = &productMaker->pdh;
psh_struct* psh = &productMaker->psh;
pdb_struct* pdb = &productMaker->pdb;
ccb_struct* ccb = &productMaker->ccb;
unsigned long last_sbn_seqno;
unsigned long last_sbn_runno = ULONG_MAX;
int PNGINIT = 0;
char* memheap = NULL;
MD5_CTX* md5ctxp = productMaker->md5ctxp;
int logResync = 1;
prodstore prod;
#ifdef RETRANS_SUPPORT
long cpio_addr_tmp;
int cpio_fd_tmp;
/* char transfer_type[10]={0};*/
int retrans_val,idx;
long retrans_tbl_size;
time_t orig_arrive_time;
int new_key; /* shm key */
ACQ_TABLE *acq_tbl = NULL;
long num_prod_discards=0;
int save_prod = 1;
int discard_prod = 0;
long proc_orig_prod_seqno_last_save=0;
#endif
prod.head = NULL;
prod.tail = NULL;
/*** For Retranmission Purpose ***/
#ifdef RETRANS_SUPPORT
if (ulogIsDebug())
udebug(" retrans_xmit_enable = %d transfer_type = %s sbn_channel_name=%s \n",retrans_xmit_enable,transfer_type,sbn_channel_name);
if((retrans_xmit_enable == OPTION_ENABLE) && (!strcmp(transfer_type,"MHS") || !strcmp(transfer_type,"mhs"))){
idx = get_cpio_addr(mcastAddr);
if( idx >= 0 && idx < NUM_CPIO_ENTRIES){
global_cpio_fd = cpio_tbl[idx].cpio_fd;
global_cpio_addr = cpio_tbl[idx].cpio_addr;
if (ulogIsDebug())
udebug("Global cpio_addr = 0x%x Global cpio_fd = %d \n",global_cpio_addr,global_cpio_fd);
}else{
uerror("Invalid multicast address provided");
return (void*)-1;
}
retrans_tbl_size = sizeof(PROD_RETRANS_TABLE);
/** Modified to setup retrans table on per channel basis - Sathya - 14-Mar'2013 **/
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * GET_RETRANS_CHANNEL_ENTRIES(sbn_type));
/****
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_NMC);
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_NMC1);
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_NMC2);
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_NMC3);
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_GOES_EAST);
retrans_tbl_size += (sizeof(PROD_RETRANS_ENTRY) * DEFAULT_RETRANS_ENTRIES_NOAAPORT_OPT);
****/
p_prod_retrans_table = (PROD_RETRANS_TABLE *) malloc (retrans_tbl_size);
if(p_prod_retrans_table == NULL){
uerror("Unable to allocate memory for retrans table..Quitting.\n");
return (void*)-1;
}
if( init_retrans(&p_prod_retrans_table) < 0 ){
uerror("Error in initializing retrans table \n");
if(p_prod_retrans_table)
free(p_prod_retrans_table);
return (void*)-1;
}
GET_SHMPTR(global_acq_tbl,ACQ_TABLE,ACQ_TABLE_SHMKEY,DEBUGGETSHM);
if (ulogIsDebug())
udebug("Global acquisition table = 0x%x cpio_fd = %d \n",global_acq_tbl,global_cpio_fd);
acq_tbl = &global_acq_tbl[global_cpio_fd];
if (ulogIsDebug())
udebug("Obtained acquisition table = 0x%x \n",acq_tbl);
/* ACQ_TABLE already initialized in acq_ldm_getshm */
/*
if(init_acq_table(acq_tbl) < 0){
uerror("Unable to initialize acq table\n");
exit(-1);
}
*/
buff_hdr = (BUFF_HDR *) malloc(sizeof(BUFF_HDR));
if(init_buff_hdr(buff_hdr) < 0){
uerror("Unalbe to initialize buffer header \n");
if(acq_tbl)
free(acq_tbl);
if(p_prod_retrans_table)
free(p_prod_retrans_table);
return (void*)-1;
}
acq_tbl->pid = getpid();
acq_tbl->link_id = global_cpio_fd;
acq_tbl->link_addr = global_cpio_addr;
if(ulogIsVerbose()){
uinfo("Initialized acq_tbl = 0x%x & buff_hdr = 0x%x pid = %d \n",acq_tbl,buff_hdr,acq_tbl->pid);
uinfo("Global link id = %d Global link addr = %ld \n",acq_tbl->link_id,acq_tbl->link_addr);
uinfo("acq_tbl->read_distrib_enable = 0x%x \n",acq_tbl->read_distrib_enable);
}
}
/*** For Retranmission Purpose ***/
#endif
for (;;) {
unsigned char b1;
long IOFF;
int NWSTG;
int GOES;
int PROD_COMPRESSED;
size_t heapcount;
size_t heapsize;
char PROD_NAME[1024];
int dataoff;
int datalen;
datastore* pfrag;
int nscan;
int deflen;
static const char* FOS_TRAILER = "\015\015\012\003";
int cnt;
/* Look for first byte == 255 and a valid SBN checksum */
if ((status = fifoRead(fifo, buf, 1)) != 0) {
if (3 == status)
status = 0;
break;
}
if ((b1 = (unsigned char)buf[0]) != 255) {
if (logResync) {
uinfo("Trying to resync %u", b1);
logResync = 0;
}
continue;
}
logResync = 1;
if (fifoRead(fifo, buf + 1, 15) != 0) {
if (ulogIsDebug())
udebug("couldn't read 16 bytes for sbn");
continue;
}
while ((status = readsbn(buf, sbn)) != 0) {
if (ulogIsDebug())
udebug("Not SBN start");
IOFF = 1;
while ((IOFF < 16) &&
((b1 = (unsigned char) buf[IOFF]) != 255))
IOFF++;
if (IOFF > 15) {
break;
}
else {
int ch;
for (ch = IOFF; ch < 16; ch++)
buf[ch - IOFF] = buf[ch];
if (fifoRead(fifo, buf + 16 - IOFF, IOFF)
!= 0) {
if (ulogIsDebug())
udebug("Couldn't read bytes for SBN, resync");
break;
}
}
}
if (status != 0) {
if (ulogIsDebug())
udebug("SBN status continue");
continue;
}
IOFF = 0;
if (fifoRead(fifo, buf + 16, 16) != 0) {
if (ulogIsDebug())
udebug("error reading Product Definition Header");
continue;
}
#ifdef RETRANS_SUPPORT
/* Update acq table stats - Begin */
if(retrans_xmit_enable == OPTION_ENABLE){
buff_hdr->read_channel_type = sbn->datastream;
}
/* Update acq table stats - End */
#endif
if (ulogIsDebug())
udebug("***********************************************");
if (last_sbn_runno != sbn->runno) {
last_sbn_runno = sbn->runno;
}
else {
unsigned long delta = sbn->seqno - last_sbn_seqno;
# define MAX_SEQNO 0xFFFFFFFFu
if (0 == delta || MAX_SEQNO/2 < delta) {
uwarn("Retrograde packet number: previous=%lu, latest=%lu, "
"difference=%lu", last_sbn_seqno, sbn->seqno,
0 == delta ? 0ul : MAX_SEQNO - delta + 1);
}
else {
if (1 != delta) {
unsigned long gap = delta - 1;
uwarn("Gap in packet sequence: %lu to %lu [skipped %lu]",
last_sbn_seqno, sbn->seqno, gap);
(void)pthread_mutex_lock(&productMaker->mutex);
productMaker->nmissed += gap;
(void)pthread_mutex_unlock(&productMaker->mutex);
}
(void)pthread_mutex_lock(&productMaker->mutex);
productMaker->npackets++;
(void)pthread_mutex_unlock(&productMaker->mutex);
} /* non-retrograde packet number */
} /* "last_sbn_seqno" initialized */
last_sbn_seqno = sbn->seqno;
if (ulogIsVerbose())
uinfo("SBN seqnumber %ld", sbn->seqno);
if (ulogIsVerbose())
uinfo("SBN datastream %d command %d", sbn->datastream,
sbn->command);
if (ulogIsDebug())
udebug("SBN version %d length offset %d", sbn->version, sbn->len);
if (((sbn->command != 3) && (sbn->command != 5)) ||
(sbn->version != 1)) {
uerror("Unknown sbn command/version %d PUNT", sbn->command);
continue;
}
switch (sbn->datastream) {
case 5: /* nwstg */
case 6: /* nwtg2 */
case 7: /* polarsat */
case 8: /* NOAA Weather Wire Service (NWWS) */
case 9:
case 10:
case 11:
case 12: /* GOES-R */
case 13: /* GOES-R */
NWSTG = 1;
GOES = 0;
break;
case 1: /* GINI GOES */
case 2: /* GINI GOES */
case 4: /* OCONUS */
NWSTG = 0;
GOES = 1;
break;
default:
uerror("Unknown NOAAport channel %d PUNT", sbn->datastream);
continue;
}
/* End of SBN version low 4 bits */
if (readpdh(buf + IOFF + sbn->len, pdh) == -1) {
uerror("problem with pdh, PUNT");
continue;
}
if (pdh->len > 16) {
if (fifoRead(fifo, buf + sbn->len + 16,
pdh->len - 16) != 0)
continue;
}
if (ulogIsDebug())
udebug("Product definition header version %d pdhlen %d",
pdh->version, pdh->len);
if (pdh->version != 1) {
uerror("Error: PDH transfer type %u, PUNT", pdh->transtype);
continue;
}
else if (ulogIsDebug()) {
udebug("PDH transfer type %u", pdh->transtype);
}
if ((pdh->transtype & 8) > 0)
uerror("Product transfer flag error %u", pdh->transtype);
if ((pdh->transtype & 32) > 0)
uerror("Product transfer flag error %u", pdh->transtype);
if ((pdh->transtype & 16) > 0) {
PROD_COMPRESSED = 1;
if (ulogIsDebug())
udebug("Product transfer flag compressed %u", pdh->transtype);
}
else {
PROD_COMPRESSED = 0;
}
if (ulogIsDebug())
udebug("header length %ld [pshlen = %d]", pdh->len + pdh->pshlen,
pdh->pshlen);
if (ulogIsDebug())
udebug("blocks per record %ld records per block %ld\n",
pdh->blocks_per_record, pdh->records_per_block);
if (ulogIsDebug())
udebug("product seqnumber %ld block number %ld data block size "
"%ld", pdh->seqno, pdh->dbno, pdh->dbsize);
/* Stop here if no psh */
if ((pdh->pshlen == 0) && (pdh->transtype == 0)) {
IOFF = IOFF + sbn->len + pdh->len;
continue;
}
#ifdef RETRANS_SUPPORT
/** Update acquisition table statistics **/
if(retrans_xmit_enable == OPTION_ENABLE){
acq_tbl->read_tot_buff_read++;
}
#endif
if (pdh->pshlen != 0) {
if (fifoRead(fifo, buf + sbn->len + pdh->len,
pdh->pshlen) != 0) {
uerror("problem reading psh");
continue;
}
else {
if (ulogIsDebug())
udebug("read psh %d", pdh->pshlen);
}
/* Timing block */
if (sbn->command == 5) {
if (ulogIsDebug())
udebug("Timing block recieved %ld %ld\0", psh->olen,
pdh->len);
/*
* Don't step on our psh of a product struct of prod in
* progress.
*/
continue;
}
if (readpsh(buf + IOFF + sbn->len + pdh->len, psh) == -1) {
uerror("problem with readpsh");
continue;
}
if (psh->olen != pdh->pshlen) {
uerror("ERROR in calculation of psh len %ld %ld", psh->olen,
pdh->len);
continue;
}
if (ulogIsDebug())
udebug("len %ld", psh->olen);
if (ulogIsDebug())
udebug("product header flag %d, version %d", psh->hflag,
psh->version);
if (ulogIsDebug())
udebug("prodspecific data length %ld", psh->psdl);
if (ulogIsDebug())
udebug("bytes per record %ld", psh->bytes_per_record);
if (ulogIsDebug())
udebug("Fragments = %ld category %d ptype %d code %d",
psh->frags, psh->pcat, psh->ptype, psh->pcode);
if (psh->frags < 0)
uerror("check psh->frags %d", psh->frags);
if (psh->origrunid != 0)
uerror("original runid %d", psh->origrunid);
if (ulogIsDebug())
udebug("next header offset %ld", psh->nhoff);
if (ulogIsDebug())
udebug("original seq number %ld", psh->seqno);
if (ulogIsDebug())
udebug("receive time %ld", psh->rectime);
if (ulogIsDebug())
udebug("transmit time %ld", psh->transtime);
if (ulogIsDebug())
udebug("run ID %ld", psh->runid);
if (ulogIsDebug())
udebug("original run id %ld", psh->origrunid);
#ifdef RETRANS_SUPPORT
/* Update acq table stats - Begin */
if(retrans_xmit_enable == OPTION_ENABLE){
buff_hdr->buff_data_length = pdh->dbsize;
if(pdh->dbno == 0) {
/* Assume first block */
acq_tbl->proc_base_prod_type_last = psh->ptype;
acq_tbl->proc_base_prod_cat_last = psh->pcat;
acq_tbl->proc_base_prod_code_last = psh->pcode;
acq_tbl->proc_prod_NCF_rcv_time = (time_t)psh->rectime;
acq_tbl->proc_prod_NCF_xmit_time = (time_t)psh->transtime;
if(psh->hflag & XFR_PROD_RETRANSMIT){
acq_tbl->proc_orig_prod_seqno_last = psh->seqno;
acq_tbl->proc_orig_prod_run_id = psh->origrunid;
if(ulogIsDebug())
udebug("ORIG SEQ# = %ld CURR SEQ#: %ld \n",acq_tbl->proc_orig_prod_seqno_last,pdh->seqno);
}else{
acq_tbl->proc_orig_prod_seqno_last = 0;
acq_tbl->proc_orig_prod_run_id = 0;
}
acq_tbl->proc_prod_run_id = psh->runid;
buff_hdr->buff_datahdr_length = psh->psdl;
time(&acq_tbl->proc_prod_start_time);
acq_tbl->proc_tot_prods_handled++;
}else{
buff_hdr->buff_datahdr_length = 0;
}
buff_hdr->proc_prod_seqno= pdh->seqno;
buff_hdr->proc_blkno = pdh->dbno;
buff_hdr->proc_sub_code = 0;
buff_hdr->proc_prod_flag = pdh->transtype;
acq_tbl->proc_base_channel_type_last = buff_hdr->read_channel_type;
buff_hdr->proc_prod_type = acq_tbl->proc_base_prod_type_last;
buff_hdr->proc_prod_code = acq_tbl->proc_base_prod_code_last;
buff_hdr->proc_prod_cat = acq_tbl->proc_base_prod_cat_last;
acq_tbl->proc_prod_bytes_read = buff_hdr->buff_data_length;
/* Check prod_seqno for lost products */
if((buff_hdr->proc_prod_seqno - acq_tbl->proc_base_prod_seqno_last) != 1){
do_prod_lost(buff_hdr,acq_tbl);
}
retrans_val = prod_retrans_ck(acq_tbl, buff_hdr, &orig_arrive_time);
log_buff[0] = '\0';
if((retrans_val == PROD_DUPLICATE_DISCARD) ||
((retrans_val == PROD_DUPLICATE_MATCH) &&
(acq_tbl->proc_retransmit_ctl_flag & ENABLE_RETRANS_DUP_MATCH_DISCARD)) ||
((retrans_val == PROD_DUPLICATE_NOMATCH) &&
(acq_tbl->proc_retransmit_ctl_flag & ENABLE_RETRANS_DUP_NOMATCH_DISCARD))){
/* Log product details and discard the product */
strcpy(log_buff,"DISCARD");
if(acq_tbl->proc_orig_prod_seqno_last != 0){
strcat(log_buff, "/RETRANS");
}
log_prod_end(log_buff, acq_tbl->proc_orig_prod_seqno_last,
buff_hdr->proc_prod_seqno,buff_hdr->proc_blkno,
buff_hdr->proc_prod_code, acq_tbl->proc_prod_bytes_read,orig_arrive_time);
save_prod = 0;
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
/* Current prod discarded and continue with next */
/*continue; */
}else{
if(retrans_val == PROD_DUPLICATE_NOMATCH){
strcpy(log_buff,"SAVE RETRANS");
log_prod_end(log_buff, acq_tbl->proc_orig_prod_seqno_last,
buff_hdr->proc_prod_seqno,buff_hdr->proc_blkno,
buff_hdr->proc_prod_code, acq_tbl->proc_prod_bytes_read,acq_tbl->proc_prod_start_time);
}
}
}
#endif
if (prod.head != NULL) {
uerror("OOPS, start of new product [%ld ] with unfinished "
"product %ld", pdh->seqno, prod.seqno);
#ifdef RETRANS_SUPPORT
/* Request retrans when prod is partially received but before completion */
/* if there is frame error and continue with different prod then, we need */
/* to abort the old prod and clear retrans table. */
if((retrans_xmit_enable == OPTION_ENABLE) /*&& (pdh->dbno != 0)*/){
acq_tbl->proc_acqtab_prodseq_errs++;
if(proc_orig_prod_seqno_last_save != acq_tbl->proc_orig_prod_seqno_last){
/* Clear retrans table for the orig prod if the previous prod is retrans */
/* of original prod */
prod_retrans_abort_entry(acq_tbl, proc_orig_prod_seqno_last_save, RETRANS_RQST_CAUSE_RCV_ERR);
}
prod_retrans_abort_entry(acq_tbl, prod.seqno, RETRANS_RQST_CAUSE_RCV_ERR);
/* Update Statistics */
acq_tbl->proc_tot_prods_lost_errs++;
/* For now, generate retrans request only for non-imagery products */
if(!((buff_hdr->proc_prod_cat == PROD_CAT_IMAGE) &&
(PROD_TYPE_NESDIS_HDR_TRUE(buff_hdr->proc_prod_type)))){
generate_retrans_rqst(acq_tbl,prod.seqno , prod.seqno, RETRANS_RQST_CAUSE_RCV_ERR);
}
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
}
#endif
ds_free();
prod.head = NULL;
prod.tail = NULL;
if (PNGINIT != 0) {
pngout_end();
PNGINIT = 0;
}
uerror("Product definition header version %d pdhlen %d",
pdh->version, pdh->len);
uerror("PDH transfer type %u", pdh->transtype);
if ((pdh->transtype & 8) > 0)
uerror("Product transfer flag error %u", pdh->transtype);
if ((pdh->transtype & 32) > 0)
uerror("Product transfer flag error %u", pdh->transtype);
uerror("header length %ld [pshlen = %d]",
pdh->len + pdh->pshlen, pdh->pshlen);
uerror("blocks per record %ld records per block %ld",
pdh->blocks_per_record, pdh->records_per_block);
uerror("product seqnumber %ld block number %ld data block "
"size %ld", pdh->seqno, pdh->dbno, pdh->dbsize);
uerror("product header flag %d", psh->hflag);
uerror("prodspecific data length %ld", psh->psdl);
uerror("bytes per record %ld", psh->bytes_per_record);
uerror("Fragments = %ld category %d", psh->frags, psh->pcat);
if (psh->frags < 0)
uerror("check psh->frags %d", psh->frags);
if (psh->origrunid != 0)
uerror("original runid %d", psh->origrunid);
uerror("next header offset %ld", psh->nhoff);
uerror("original seq number %ld", psh->seqno);
uerror("receive time %ld", psh->rectime);
uerror("transmit time %ld", psh->transtime);
uerror("run ID %ld", psh->runid);
uerror("original run id %ld", psh->origrunid);
}
prod.seqno = pdh->seqno;
prod.nfrag = psh->frags;
ds_init(prod.nfrag);
/* NWSTG CCB = dataoff, WMO = dataoff + 24 */
if (fifoRead(fifo, buf + sbn->len + pdh->len +
pdh->pshlen, pdh->dbsize) != 0) {
uerror("problem reading datablock");
continue;
}
if (sbn->datastream == 4) {
if (psh->pcat != 3) {
GOES = 0;
NWSTG = 1;
}
}
heapcount = 0;
MD5Init(md5ctxp);
if (GOES == 1) {
if (readpdb(buf + IOFF + sbn->len + pdh->len +
pdh->pshlen,
psh, pdb, PROD_COMPRESSED, pdh->dbsize) == -1) {
uerror("Error reading pdb, punt");
continue;
}
(void)memcpy(PROD_NAME, psh->pname, sizeof(PROD_NAME));
if (ulogIsDebug())
udebug("Read GOES %d %d %d [%d] %d", sbn->len, pdh->len,
pdh->pshlen, sbn->len + pdh->len + pdh->pshlen,
pdb->len);
/* Data starts at first block after pdb */
ccb->len = 0;
heapsize = prodalloc(psh->frags, 5152, &memheap);
}
if (NWSTG == 1) {
memset(psh->pname, 0, sizeof(psh->pname));
if (readccb(buf + IOFF + sbn->len + pdh->len +
pdh->pshlen,
ccb, psh, pdh->dbsize) == -1)
uerror("Error reading ccb, using default name");
if (ulogIsDebug())
udebug("look at ccb start %d %d", ccb->b1, ccb->len);
if (ulogIsVerbose())
uinfo("%s", psh->pname);
memcpy(PROD_NAME, psh->pname, sizeof(PROD_NAME));
heapsize = prodalloc(psh->frags, 4000 + 15, &memheap);
/*
* We will only compute md5 checksum on the data, 11 FOS
* characters at start
*/
sprintf(memheap, "\001\015\015\012%03d\040\015\015\012",
((int) pdh->seqno) % 1000);
heapcount += 11;
if (psh->metaoff > 0)
psh->metaoff = psh->metaoff + 11;
}
}
else {
/* If a continuation record...don't let psh->pcat get missed */
if ((sbn->datastream == 4) && (psh->pcat != 3)) {
GOES = 0;
NWSTG = 1;
}
ccb->len = 0;
if (ulogIsDebug())
udebug("continuation record");
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
buff_hdr->buff_data_length = pdh->dbsize;
buff_hdr->buff_datahdr_length = 0;
buff_hdr->proc_prod_seqno= pdh->seqno;
buff_hdr->proc_blkno = pdh->dbno;
buff_hdr->proc_sub_code = 0;
buff_hdr->proc_prod_flag = pdh->transtype;
acq_tbl->proc_base_channel_type_last = buff_hdr->read_channel_type;
buff_hdr->proc_prod_type = acq_tbl->proc_base_prod_type_last;
buff_hdr->proc_prod_code = acq_tbl->proc_base_prod_code_last;
buff_hdr->proc_prod_cat = acq_tbl->proc_base_prod_cat_last;
acq_tbl->proc_prod_bytes_read += buff_hdr->buff_data_length;
}
#endif
if ((pdh->transtype & 4) > 0) {
psh->frags = 0;
}
if (fifoRead(fifo, buf + sbn->len + pdh->len +
pdh->pshlen, pdh->dbsize) != 0) {
uerror("problem reading datablock (cont)");
continue;
}
if (prod.head == NULL) {
if (ulogIsVerbose())
uinfo("found data block before header, "
"skipping sequence %d frag #%d", pdh->seqno, pdh->dbno);
continue;
}
}
/* Get the data */
dataoff = IOFF + sbn->len + pdh->len + pdh->pshlen + ccb->len;
datalen = pdh->dbsize - ccb->len;
if (ulogIsDebug())
udebug("look at datalen %d", datalen);
pfrag = ds_alloc();
pfrag->seqno = pdh->seqno;
pfrag->fragnum = pdh->dbno;
pfrag->recsiz = datalen;
pfrag->offset = heapcount;
pfrag->next = NULL;
if (GOES == 1) {
if (pfrag->fragnum > 0) {
if ((pfrag->fragnum != prod.tail->fragnum + 1) ||
(pfrag->seqno != prod.seqno)) {
uerror("Missing GOES fragment in sequence, "
"last %d/%d this %d/%d\0", prod.tail->fragnum,
prod.seqno, pfrag->fragnum, pfrag->seqno);
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
acq_tbl->proc_acqtab_prodseq_errs++;
do_prod_mismatch(acq_tbl,buff_hdr);
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
}
#endif
ds_free();
prod.head = NULL;
prod.tail = NULL;
continue;
}
if ((PNGINIT != 1) && (!PROD_COMPRESSED)) {
uerror("failed pnginit %d %d %s", sbn->datastream,
psh->pcat, PROD_NAME);
continue;
}
if (pdh->records_per_block < 1) {
uerror("records_per_block %d blocks_per_record %d "
"nx %d ny %d", pdh->records_per_block,
pdh->blocks_per_record, pdb->nx, pdb->ny);
uerror("source %d sector %d channel %d", pdb->source,
pdb->sector, pdb->channel);
uerror("nrec %d recsize %d date %02d%02d%02d %02d%02d "
"%02d.%02d", pdb->nrec, pdb->recsize, pdb->year,
pdb->month, pdb->day, pdb->hour, pdb->minute,
pdb->second, pdb->sechunds);
uerror("pshname %s", psh->pname);
}
if (!PROD_COMPRESSED) {
for (nscan = 0; (nscan * pdb->nx) < pdh->dbsize; nscan++) {
if (ulogIsDebug())
udebug("png write nscan %d", nscan);
if (nscan >= pdh->records_per_block) {
uerror("nscan exceeding records per block %d [%d "
"%d %d]", pdh->records_per_block, nscan,
pdb->nx, pdh->dbsize);
}
else {
pngwrite(buf + dataoff + (nscan * pdb->nx));
}
}
}
else {
memcpy(memheap + heapcount, buf + dataoff, datalen);
MD5Update(md5ctxp, (unsigned char *) (memheap + heapcount),
datalen);
heapcount += datalen;
}
}
else {
if (!PROD_COMPRESSED) {
png_set_memheap(memheap, md5ctxp);
png_header(buf + dataoff, datalen);
/*
* Add 1 to number of scanlines, image ends with
* f0f0f0f0...
*/
pngout_init(pdb->nx, pdb->ny + 1);
PNGINIT = 1;
}
else {
memcpy(memheap + heapcount, buf + dataoff, datalen);
MD5Update(md5ctxp, (unsigned char*)(memheap + heapcount),
datalen);
heapcount += datalen;
}
unotice("records_per_block %d blocks_per_record %d nx %d ny %d",
pdh->records_per_block, pdh->blocks_per_record, pdb->nx,
pdb->ny);
unotice("source %d sector %d channel %d", pdb->source,
pdb->sector, pdb->channel);
unotice("nrec %d recsize %d date %02d%02d%02d %02d%02d "
"%02d.%02d", pdb->nrec, pdb->recsize, pdb->year, pdb->month,
pdb->day, pdb->hour, pdb->minute, pdb->second,
pdb->sechunds);
unotice("pshname %s", psh->pname);
}
deflen = 0;
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
if(buff_hdr->proc_blkno != 0){
/*acq_tbl->proc_prod_bytes_read += buff_hdr->buff_data_length;*/
acq_tbl->proc_prod_bytes_read += datalen;
}
}
#endif
}
else {
/* If the product already has a FOS trailer, don't add
* another....this will match what pqing(SDI) sees
*/
if ((prod.nfrag != 0) && (prod.tail != NULL)) {
if ((pfrag->fragnum != prod.tail->fragnum + 1) ||
(pfrag->seqno != prod.seqno)) {
uerror("Missing fragment in sequence, last %d/%d this "
"%d/%d\0", prod.tail->fragnum, prod.seqno,
pfrag->fragnum, pfrag->seqno);
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
acq_tbl->proc_acqtab_prodseq_errs++;
if(ulogIsDebug())
udebug("do_prod_mismatch() proc_base_prod_seqno_last = %d \n",
acq_tbl->proc_base_prod_seqno_last);
do_prod_mismatch(acq_tbl,buff_hdr);
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
}
#endif
ds_free();
prod.head = NULL;
prod.tail = NULL;
continue;
}
}
if ((prod.nfrag == 0) || (prod.nfrag == (pfrag->fragnum + 1))) {
char testme[4];
while (datalen > 4) {
memcpy(testme, buf + (dataoff + datalen - 4), 4);
if (memcmp(testme, FOS_TRAILER, 4) == 0) {
datalen -= 4;
if (ulogIsDebug())
udebug("removing FOS trailer from %s", PROD_NAME);
}
else {
break;
}
}
}
if (heapcount + datalen > heapsize) {
/*
* this above wasn't big enough heapsize =
* prodalloc(psh->frags,4000+15,&memheap);
*/
uerror("Error in heapsize %d product size %d [%d %d], Punt!\0",
heapsize, (heapcount + datalen), heapcount, datalen);
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
/* Update Statistics */
acq_tbl->proc_tot_prods_lost_errs++;
/* Abort entry and request retransmission */
prod_retrans_abort_entry(acq_tbl, prod.seqno, RETRANS_RQST_CAUSE_RCV_ERR);
generate_retrans_rqst(acq_tbl, prod.seqno, prod.seqno, RETRANS_RQST_CAUSE_RCV_ERR);
if(acq_tbl->proc_orig_prod_seqno_last != 0){
strcpy(log_buff, "RETRANS");
}
log_prod_end(log_buff, acq_tbl->proc_orig_prod_seqno_last,
buff_hdr->proc_prod_seqno,buff_hdr->proc_blkno,
buff_hdr->proc_prod_code, acq_tbl->proc_prod_bytes_read,
acq_tbl->proc_prod_start_time);
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
}
#endif
continue;
}
memcpy(memheap + heapcount, buf + dataoff, datalen);
deflen = datalen;
MD5Update(md5ctxp, (unsigned char *) (memheap + heapcount),
deflen);
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
if(buff_hdr->proc_blkno != 0){
/*acq_tbl->proc_prod_bytes_read += buff_hdr->buff_data_length;*/
acq_tbl->proc_prod_bytes_read += datalen;
}
}
#endif
}
pfrag->recsiz = deflen;
heapcount += deflen;
if (prod.head == NULL) {
prod.head = pfrag;
prod.tail = pfrag;
}
else {
prod.tail->next = pfrag;
prod.tail = pfrag;
}
#ifdef RETRANS_SUPPORT
if(((prod.nfrag == 0) || (prod.nfrag >= (pfrag->fragnum +1))) && (save_prod == 0)){
if(ulogIsVerbose())
uinfo("Do not save prod [seqno=%ld] as its retrans dup fragnum/total fragments =[%d of %d] save_prod=[%d] \n",
prod.seqno,pfrag->fragnum,prod.nfrag,save_prod);
ds_free ();
prod.head = NULL;
prod.tail = NULL;
PNGINIT = 0;
}else{
#endif
if ((prod.nfrag == 0) || (prod.nfrag == (pfrag->fragnum + 1))) {
if (GOES == 1) {
if (PNGINIT == 1) {
pngout_end();
heapcount = png_get_prodlen();
}
else {
if (ulogIsDebug())
udebug("GOES product already compressed %d", heapcount);
}
}
if (ulogIsVerbose())
uinfo("we should have a complete product %ld %ld/%ld %ld /heap "
"%ld", prod.seqno, pfrag->seqno, prod.nfrag, pfrag->fragnum,
(long) heapcount);
if ((NWSTG == 1) && (heapcount > 4)) {
cnt = 4; /* number of bytes to add for TRAILER */
/*
* Do a DDPLUS vs HDS check for NWSTG channel only
*/
if (sbn->datastream == 5) {
/* nwstg channel */
switch (psh->pcat) {
case 1:
case 7:
/* Do a quick check for non-ascii text products */
if (!prod_isascii(PROD_NAME, memheap, heapcount))
psh->pcat += 100; /* call these HDS */
break;
}
}
if (cnt > 0) {
memcpy(memheap + heapcount, FOS_TRAILER + 4 - cnt, cnt);
MD5Update(md5ctxp, (unsigned char*)(memheap + heapcount),
cnt);
heapcount += cnt;
}
}
#ifdef RETRANS_SUPPORT
if((retrans_xmit_enable == OPTION_ENABLE) && (acq_tbl->read_distrib_enable & READ_CTL_DISCARD)){
num_prod_discards++;
/* Set discard_prod to 1; Otherwise already stored prod may be requested for retransmit */
discard_prod=1;
if(ulogIsVerbose())
uinfo("No of products discarded = %ld prod.seqno=%ld \n ",num_prod_discards,prod.seqno);
prod_retrans_abort_entry(acq_tbl, prod.seqno, RETRANS_RQST_CAUSE_RCV_ERR);
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno -1 ;
ds_free ();
prod.head = NULL;
prod.tail = NULL;
PNGINIT = 0;
}else{
/* Do not insert prod into queue if its a duplicate product */
if(save_prod != 0)
#endif
process_prod(prod, PROD_NAME, memheap, heapcount,
md5ctxp, productMaker->ldmProdQueue, psh, sbn);
#ifdef RETRANS_SUPPORT
/* Update acq table with last processed seqno -Begin */
if(retrans_xmit_enable == OPTION_ENABLE){
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
uinfo(" prod with seqno processed = %ld\n",acq_tbl->proc_base_prod_seqno_last);
}
/* Update acq table with last processed seqno -End */
#endif
ds_free();
prod.head = NULL;
prod.tail = NULL;
PNGINIT = 0;
(void)pthread_mutex_lock(&productMaker->mutex);
productMaker->nprods++;
(void)pthread_mutex_unlock(&productMaker->mutex);
#ifdef RETRANS_SUPPORT
}
#endif
}
else {
if (ulogIsDebug())
udebug("processing record %ld [%ld %ld]", prod.seqno,
prod.nfrag, pfrag->fragnum);
if ((pdh->transtype & 4) > 0) {
uerror("Hmmm....should call completed product %ld [%ld %ld]",
prod.seqno, prod.nfrag, pfrag->fragnum);
}
}
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
if(!(acq_tbl->read_distrib_enable & READ_CTL_DISCARD))
if(!discard_prod){
acq_tbl->proc_base_prod_seqno_last = buff_hdr->proc_prod_seqno;
discard_prod = 0;
}
}
#endif
#ifdef RETRANS_SUPPORT
}
save_prod = 1;
#endif
IOFF += (sbn->len + pdh->len + pdh->pshlen + pdh->dbsize);
if (ulogIsDebug())
udebug("look IOFF %ld datalen %ld (deflate %ld)", IOFF, datalen,
deflen);
#ifdef RETRANS_SUPPORT
if(retrans_xmit_enable == OPTION_ENABLE){
total_prods_retrans_rcvd = acq_tbl->proc_tot_prods_retrans_rcvd; /* prods retrans rcvd by proc */
total_prods_retrans_rcvd_lost = acq_tbl->proc_tot_prods_retrans_rcvd_lost; /* prods retrans rcvd lost */
total_prods_retrans_rcvd_notlost = acq_tbl->proc_tot_prods_retrans_rcvd_notlost; /* prods rcvd not lost */
total_prods_retrans_rqstd = acq_tbl->proc_tot_prods_retrans_rqstd; /* prods retrans requested */
total_prods_handled = acq_tbl->proc_tot_prods_handled; /* prods retrans requested */
total_prods_lost_err = acq_tbl->proc_tot_prods_lost_errs; /* prods retrans requested */
total_frame_cnt = acq_tbl->read_tot_buff_read;
total_frame_err = acq_tbl->read_frame_tot_lost_errs;
proc_orig_prod_seqno_last_save = acq_tbl->proc_orig_prod_seqno_last;
}
#endif
}
if (NULL != memheap)
free(memheap);
productMaker->status = status;
return NULL;
}