/*
* Dispose of the transaction streams. If the heap has not been
* preserved, we can destroy it here.
*/
static void
ndr_xa_destruct(ndr_client_t *clnt, ndr_xa_t *mxa)
{
nds_destruct(&mxa->recv_nds);
nds_destruct(&mxa->send_nds);
if (!clnt->heap_preserved) {
ndr_heap_destroy(mxa->heap);
mxa->heap = NULL;
clnt->heap = NULL;
}
}
/*
* Process one server-side RPC request.
*/
static int
ndr_pipe_process(ndr_pipe_t *np, ndr_xa_t *mxa)
{
ndr_stream_t *recv_nds;
ndr_stream_t *send_nds;
int rc = ENOMEM;
mxa->pipe = np;
mxa->binding_list = np->np_binding;
if ((mxa->heap = ndr_heap_create()) == NULL)
goto out1;
recv_nds = &mxa->recv_nds;
rc = nds_initialize(recv_nds, 0, NDR_MODE_CALL_RECV, mxa->heap);
if (rc != 0)
goto out2;
send_nds = &mxa->send_nds;
rc = nds_initialize(send_nds, 0, NDR_MODE_RETURN_SEND, mxa->heap);
if (rc != 0)
goto out3;
rc = ndr_recv_request(mxa);
if (rc != 0)
goto out4;
(void) ndr_svc_process(mxa);
(void) ndr_send_reply(mxa);
rc = 0;
out4:
nds_destruct(&mxa->send_nds);
out3:
nds_destruct(&mxa->recv_nds);
out2:
ndr_heap_destroy(mxa->heap);
out1:
return (rc);
}
/*
* The following functions provide the client callback interface.
* If the caller hasn't provided a heap, create one here.
*/
static int
ndr_xa_init(ndr_client_t *clnt, ndr_xa_t *mxa)
{
ndr_stream_t *recv_nds = &mxa->recv_nds;
ndr_stream_t *send_nds = &mxa->send_nds;
ndr_heap_t *heap = clnt->heap;
int rc;
if (heap == NULL) {
if ((heap = ndr_heap_create()) == NULL)
return (-1);
clnt->heap = heap;
}
mxa->heap = heap;
rc = nds_initialize(send_nds, 0, NDR_MODE_CALL_SEND, heap);
if (rc == 0)
rc = nds_initialize(recv_nds, NDR_PDU_SIZE_HINT_DEFAULT,
NDR_MODE_RETURN_RECV, heap);
if (rc != 0) {
nds_destruct(&mxa->recv_nds);
nds_destruct(&mxa->send_nds);
ndr_heap_destroy(mxa->heap);
mxa->heap = NULL;
clnt->heap = NULL;
return (-1);
}
if (clnt->nonull)
NDS_SETF(send_nds, NDS_F_NONULL);
return (0);
}