/*
* Sends a data-product to an LDM using the LDM-6 COMINGSOON and BLOCKDATA
* messages.
*
* Arguments:
* proxy Pointer to the LDM proxy data-structure.
* product Pointer to the data-product to be sent.
* Return:
* 0 Success.
* LP_UNWANTED Data-product was unwanted.
* LP_TIMEDOUT The RPC call timed-out. "log_start()" called.
* LP_RPC_ERROR RPC error. "log_start()" called.
* LP_LDM_ERROR LDM error. "log_start()" called.
*/
static LdmProxyStatus
my_csbd_6(
LdmProxy* const proxy,
product* const product)
{
LdmProxyStatus status = 0; /* success */
CLIENT* const clnt = proxy->clnt;
prod_info* const info = &product->info;
const unsigned size = info->sz;
comingsoon_reply_t* reply;
comingsoon_args soonArg;
udebug("Sending file via COMINGSOON_6/BLKDATA_6");
soonArg.infop = info;
soonArg.pktsz = size;
reply = comingsoon_6(&soonArg, clnt);
if (NULL == reply) {
status = getStatus(proxy, "COMINGSOON_6", &product->info);
}
else {
if (DONT_SEND == *reply) {
status = LP_UNWANTED;
}
else if (0 != *reply) {
LOG_START1("Unexpected reply from LDM: %s", s_ldm_errt(*reply));
status = LP_LDM_ERROR;
}
else {
datapkt packet;
packet.signaturep = (signaturet*)&info->signature;
packet.pktnum = 0;
packet.data.dbuf_len = size;
packet.data.dbuf_val = product->data;
if (NULL == blkdata_6(&packet, clnt))
status = getStatus(proxy, "BLKDATA_6", &product->info);
}
}
return status;
}
/*
* Send a product from file-descriptor to clnt using LDM-6 protocol.
*/
static void
send_product_6(CLIENT *clnt, int fd, prod_info *infop)
{
unsigned size = infop->sz;
if (size <= max_hereis) {
/*
* The file is small enough to be sent in a single HEREIS message.
*/
void* buf = (char*)malloc(size);
udebug("Sending file via HEREIS");
if (NULL == buf) {
serror("Couldn't allocate %u bytes for product data", size);
}
else {
ssize_t nread = read(fd, buf, size);
if(nread != size) {
serror("Couldn't read %u bytes of data", size);
}
else {
product product;
product.info = *infop;
product.data = buf;
if (NULL == hereis_6(&product, clnt)) {
uerror("%s: HEREIS_6 failure: %s",
remote, clnt_errmsg(clnt));
}
}
free(buf);
}
}
else {
/*
* The file is so large that it must be sent via COMINGSOON/BLKDATA
* messages.
*/
comingsoon_reply_t* reply;
comingsoon_args soonArg;
udebug("Sending file via COMINGSOON/BLKDATA");
soonArg.infop = infop;
soonArg.pktsz = size;
reply = comingsoon_6(&soonArg, clnt);
if (NULL == reply) {
uerror("%s: COMINGSOON_6 failure: %s", remote, clnt_errmsg(clnt));
}
else {
if (DONT_SEND == *reply) {
if (ulogIsVerbose() || ulogIsDebug())
uinfo("Downstream LDM says don't send: %s",
s_prod_info(NULL, 0, infop, ulogIsDebug()));
}
else if (0 != *reply) {
uwarn("Unexpected reply (%s) from downstream LDM: %s",
s_prod_info(NULL, 0, infop, ulogIsDebug()));
}
else {
void* buf = (char*)malloc(size);
if (NULL == buf) {
serror("Couldn't allocate %u bytes for product data",
size);
}
else {
ssize_t nread = read(fd, buf, size);
if(nread != size) {
serror("Couldn't read %u bytes of data", size);
}
else {
datapkt packet;
packet.signaturep = (signaturet*)&infop->signature;
packet.pktnum = 0;
packet.data.dbuf_len = size;
packet.data.dbuf_val = buf;
if (NULL == blkdata_6(&packet, clnt)) {
uerror("%s: BLKDATA_6 failure: %s",
remote, clnt_errmsg(clnt));
}
}
free(buf);
}
}
}
}
}
