/**
* Shutdown all open fds.
*/
PUBLIC void
r_io_shutdown_all(struct ccnr_handle *h)
{
int i;
for (i = 1; i < h->face_limit; i++) {
if (r_io_fdholder_from_fd(h, i) != NULL)
r_io_shutdown_client_fd(h, i);
}
ccnr_internal_client_stop(h);
r_io_shutdown_client_fd(h, 0);
}
/**
* Destroys the fdholder identified by filedesc.
* @returns 0 for success, -1 for failure.
*/
PUBLIC int
r_io_destroy_face(struct ccnr_handle *h, unsigned filedesc)
{
r_io_shutdown_client_fd(h, filedesc);
return(0);
}
int
r_init_map_and_process_file(struct ndnr_handle *h, struct ndn_charbuf *filename, int add_content)
{
int res = 0;
int dres;
struct stat statbuf;
unsigned char *mapped_file = MAP_FAILED;
unsigned char *msg;
size_t size;
int fd = -1;
struct content_entry *content;
struct ndn_skeleton_decoder *d;
struct fdholder *fdholder;
fd = r_io_open_repo_data_file(h, ndn_charbuf_as_string(filename), 0);
if (fd == -1) // Normal exit
return(1);
res = fstat(fd, &statbuf);
if (res != 0) {
ndnr_msg(h, "stat failed for %s (fd=%d), %s (errno=%d)",
ndn_charbuf_as_string(filename), fd, strerror(errno), errno);
res = -errno;
goto Bail;
}
if (statbuf.st_size == 0)
goto Bail;
mapped_file = mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (mapped_file == MAP_FAILED) {
ndnr_msg(h, "mmap failed for %s (fd=%d), %s (errno=%d)",
ndn_charbuf_as_string(filename), fd, strerror(errno), errno);
res = -errno;
goto Bail;
}
fdholder = r_io_fdholder_from_fd(h, fd);
d = &fdholder->decoder;
msg = mapped_file;
size = statbuf.st_size;
while (d->index < size) {
dres = ndn_skeleton_decode(d, msg + d->index, size - d->index);
if (!NDN_FINAL_DSTATE(d->state))
break;
if (add_content) {
content = process_incoming_content(h, fdholder, msg + d->index - dres, dres, NULL);
if (content != NULL)
r_store_commit_content(h, content);
}
}
if (d->index != size || !NDN_FINAL_DSTATE(d->state)) {
ndnr_msg(h, "protocol error on fdholder %u (state %d), discarding %d bytes",
fdholder->filedesc, d->state, (int)(size - d->index));
res = -1;
goto Bail;
}
Bail:
if (mapped_file != MAP_FAILED)
munmap(mapped_file, statbuf.st_size);
r_io_shutdown_client_fd(h, fd);
return (res);
}
