/*
* Sends a list of files to the LDM as data-products.
*
* Arguments:
* ldmProxy The LDM proxy data-structure.
* offer The description of the class of data-products that this
* process is willing to send.
* origin The identifier of the host that created the
* data-products (typically the host running this program).
* seq_start The starting value of the data-product sequence number.
* nfiles The number of files to send.
* filenames The pathnames of the files to send.
*
* Returns:
* 0 Success.
* SYSTEM_ERROR O/S failure. "log_add()" called.
* CONNECTION_ABORTED The connection was aborted. "log_add()" * called.
*/
static int
ldmsend(
LdmProxy* ldmProxy,
prod_class_t* offer,
char* origin,
int seq_start,
int nfiles,
char* filenames[])
{
int status = 0;
char* filename;
int fd;
struct stat statb;
prod_info info;
MD5_CTX* md5ctxp = NULL;
prod_class_t* want;
/*
* Allocate an MD5 context
*/
md5ctxp = new_MD5_CTX();
if (md5ctxp == NULL)
{
log_syserr_q("new_md5_CTX failed");
return SYSTEM_ERROR;
}
status = lp_hiya(ldmProxy, offer, &want);
if (status != 0) {
status = CONNECTION_ABORTED;
}
else {
/* These members are constant over the loop. */
info.origin = origin;
info.feedtype = offer->psa.psa_val->feedtype;
for (info.seqno = seq_start; exitIfDone(1) && nfiles > 0;
filenames++, nfiles--, info.seqno++) {
filename = *filenames;
info.ident = filename;
/*
* ?? This could be the creation time of the file.
*/
(void) set_timestamp(&info.arrival);
/*
* Checks 'arrival', 'feedtype', and 'ident'
* against what the other guy has said he wants.
*/
if (!prodInClass(offer, &info)) {
log_info_q("Not going to send %s", filename);
continue;
}
if (!prodInClass(want, &info)) {
log_info_q("%s doesn't want %s", lp_host(ldmProxy), filename);
continue;
}
fd = open(filename, O_RDONLY, 0);
if (fd == -1) {
log_syserr_q("open: %s", filename);
continue;
}
if (fstat(fd, &statb) == -1) {
log_syserr_q("fstat: %s", filename);
(void) close(fd);
continue;
}
log_info_q("Sending %s, %d bytes", filename, statb.st_size);
/* These members, and seqno, vary over the loop. */
if (fd_md5(md5ctxp, fd, statb.st_size, info.signature) != 0) {
(void) close(fd);
continue;
}
if (lseek(fd, 0, SEEK_SET) == (off_t)-1) {
log_syserr_q("rewind: %s", filename);
(void) close(fd);
continue;
}
info.sz = (u_int)statb.st_size;
(void)exitIfDone(1);
status = send_product(ldmProxy, fd, &info);
(void) close(fd);
if (0 != status) {
log_add("Couldn't send file \"%s\" to LDM", filename);
break;
}
} /* file loop */
if (lp_flush(ldmProxy))
log_add("Couldn't flush connection");
free_prod_class(want);
} /* HIYA succeeded */
free_MD5_CTX(md5ctxp);
return status;
}
static int
ldmsend(CLIENT *clnt,
prod_class_t* clssp,
char* origin,
int seq_start,
int nfiles,
char* filenames[])
{
int status = 0;
char *filename;
int fd;
struct stat statb;
prod_info info;
MD5_CTX *md5ctxp = NULL;
/*
* Allocate an MD5 context
*/
md5ctxp = new_MD5_CTX();
if(md5ctxp == NULL)
{
status = errno;
serror("new_md5_CTX failed");
return status;
}
status = (*hiya)(clnt, &clssp);
if(status != 0)
return status;
/* These members are constant over the loop. */
info.origin = origin;
info.feedtype = clssp->psa.psa_val->feedtype;
for( info.seqno = seq_start; exitIfDone(1) && nfiles > 0;
filenames++, nfiles--, info.seqno++)
{
filename = *filenames;
info.ident = filename;
/*
* ?? This could be the creation time of the file.
*/
(void) set_timestamp(&info.arrival);
/*
* Checks 'arrival', 'feedtype', and 'ident'
* against what the other guy has said he wants.
*/
if(!prodInClass(clssp, &info))
{
uinfo("%s doesn't want %s", remote, filename);
continue;
}
fd = open(filename, O_RDONLY, 0);
if(fd == -1)
{
serror("open: %s", filename);
continue;
}
if( fstat(fd, &statb) == -1)
{
serror("fstat: %s", filename);
(void) close(fd);
continue;
}
uinfo("Sending %s, %d bytes", filename, statb.st_size);
/* These members, and seqno, vary over the loop. */
if(fd_md5(md5ctxp, fd, statb.st_size, info.signature) != 0)
{
(void) close(fd);
continue;
}
if(lseek(fd, 0, SEEK_SET) == (off_t)-1)
{
serror("rewind: %s", filename);
(void) close(fd);
continue;
}
(void)exitIfDone(1);
info.sz = (u_int)statb.st_size;
(*send_product)(clnt, fd, &info);
(void) close(fd);
}
if (exitIfDone(1) && NULL != nullproc &&
NULL == (*nullproc)(NULL, clnt)) {
uerror("%s: NULLPROC failure: %s", remote, clnt_errmsg(clnt));
status = 1;
}
free_MD5_CTX(md5ctxp);
return status;
}