nvlist_t *
nvlist_recv(int sock, int flags)
{
struct nvlist_header nvlhdr;
nvlist_t *nvl, *ret;
unsigned char *buf;
size_t nfds, size, i;
int *fds;
if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
return (NULL);
if (!nvlist_check_header(&nvlhdr))
return (NULL);
nfds = (size_t)nvlhdr.nvlh_descriptors;
size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
buf = nv_malloc(size);
if (buf == NULL)
return (NULL);
memcpy(buf, &nvlhdr, sizeof(nvlhdr));
ret = NULL;
fds = NULL;
if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
goto out;
if (nfds > 0) {
fds = nv_malloc(nfds * sizeof(fds[0]));
if (fds == NULL)
goto out;
if (fd_recv(sock, fds, nfds) == -1)
goto out;
}
nvl = nvlist_xunpack(buf, size, fds, nfds, flags);
if (nvl == NULL) {
ERRNO_SAVE();
for (i = 0; i < nfds; i++)
close(fds[i]);
ERRNO_RESTORE();
goto out;
}
ret = nvl;
out:
ERRNO_SAVE();
nv_free(buf);
nv_free(fds);
ERRNO_RESTORE();
return (ret);
}
nvlist_t *
nvlist_recv(int sock)
{
struct nvlist_header nvlhdr;
nvlist_t *nvl, *ret;
unsigned char *buf;
size_t nfds, size;
int serrno, *fds;
if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
return (NULL);
if (!nvlist_check_header(&nvlhdr))
return (NULL);
nfds = (size_t)nvlhdr.nvlh_descriptors;
size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
buf = malloc(size);
if (buf == NULL)
return (NULL);
memcpy(buf, &nvlhdr, sizeof(nvlhdr));
ret = NULL;
fds = NULL;
if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
goto out;
if (nfds > 0) {
fds = malloc(nfds * sizeof(fds[0]));
if (fds == NULL)
goto out;
if (fd_recv(sock, fds, nfds) == -1)
goto out;
}
nvl = nvlist_xunpack(buf, size, fds, nfds);
if (nvl == NULL)
goto out;
ret = nvl;
out:
serrno = errno;
free(buf);
free(fds);
errno = serrno;
return (ret);
}
status_t
msg_recv (int fd, msg_t * msg)
{
mr_rarray_t rarray;
memset (&rarray, 0, sizeof (rarray));
status_t status = buf_recv (fd, &rarray.MR_SIZE, sizeof (rarray.MR_SIZE));
if (ST_SUCCESS != status)
return (ST_FAILURE);
char data[rarray.MR_SIZE];
status = buf_recv (fd, data, rarray.MR_SIZE);
if (ST_SUCCESS != status)
return (ST_FAILURE);
rarray.data.ptr = data;
mr_status_t mr_status = DESERIALIZE (msg_t, &rarray, msg);
return ((MR_SUCCESS == mr_status) ? ST_SUCCESS : ST_FAILURE);
}