static int mca_oob_ud_recv_copy (mca_oob_ud_req_t *dst, mca_oob_ud_req_t *src)
{
int rc, i;
dst->req_rem_data_len = src->req_rem_data_len;
rc = mca_oob_ud_recv_alloc (dst);
if (ORTE_SUCCESS == rc) {
unsigned char *dptr = src->req_uiov[0].iov_base;
for (i = 0 ; i < dst->req_count ; ++i) {
memcpy (dst->req_uiov[i].iov_base, dptr, dst->req_uiov[i].iov_len);
dptr += dst->req_uiov[i].iov_len;
}
}
mca_oob_ud_req_complete (dst, (ORTE_SUCCESS == rc) ? dst->req_rem_data_len : rc);
/* free io vector data */
free (src->req_uiov[0].iov_base);
free (src->req_uiov);
src->req_uiov = NULL;
OBJ_RELEASE(src);
return rc;
}
int mca_oob_ud_recv_match_send (mca_oob_ud_port_t *port, mca_oob_ud_peer_t *peer, mca_oob_ud_msg_hdr_t *msg_hdr,
mca_oob_ud_req_t **reqp)
{
char *data = (msg_hdr->msg_data.req.data_follows ? (char *)(msg_hdr + 1) : NULL);
mca_oob_ud_req_t *req;
int rc, i;
*reqp = NULL;
OPAL_OUTPUT_VERBOSE((10, mca_oob_base_output, "%s oob:ud:recv_incoming_send matching incoming "
"send from peer %s with tag %d", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
ORTE_NAME_PRINT(&msg_hdr->msg_origin), msg_hdr->msg_data.req.tag));
rc = mca_oob_ud_get_recv_req (msg_hdr->msg_origin, msg_hdr->msg_data.req.tag, &req);
if (ORTE_SUCCESS != rc) {
return rc;
}
req->req_rem_ctx = msg_hdr->msg_rem_ctx;
req->req_port = port;
req->req_mtu = min(port->mtu, msg_hdr->msg_data.req.mtu);
req->req_target = msg_hdr->ra.name;
req->req_rem_data_len = msg_hdr->msg_data.req.data_len;
do {
rc = mca_oob_ud_recv_alloc (req);
if (ORTE_SUCCESS != rc) {
opal_output (0, "%s oob:ud:recv_start malloc failed!", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
if (MCA_OOB_UD_REQ_UNEX == req->type) {
free (req->req_uiov);
OBJ_RELEASE(req);
}
req = NULL;
break;
}
req->req_peer = peer;
OBJ_RETAIN(req->req_peer);
if (NULL == data) {
req->state = MCA_OOB_UD_REQ_ACTIVE;
break;
}
OPAL_OUTPUT_VERBOSE((10, mca_oob_base_output, "%s oob:ud:recv_incoming_send send was eager",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
req->req_is_eager = true;
for (i = 0 ; i < req->req_count; ++i) {
memcpy (req->req_uiov[i].iov_base, data, req->req_uiov[i].iov_len);
data += req->req_uiov[i].iov_len;
}
req->state = MCA_OOB_UD_REQ_COMPLETE;
} while (0);
*reqp = req;
return rc;
}
static int mca_oob_ud_send_self (orte_rml_send_t *msg)
{
unsigned int srco, dsto;
mca_oob_ud_req_t *req;
int srci, dsti;
int rc, size;
MCA_OOB_UD_IOV_SIZE(msg, size);
opal_output_verbose(10, orte_oob_base_framework.framework_output,
"%s mca_oob_ud_send_self: sending %d bytes to myself",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), size);
rc = mca_oob_ud_get_recv_req (*ORTE_PROC_MY_NAME, msg->tag, &req, (msg->iov != NULL) ? true : false);
if (ORTE_SUCCESS != rc) {
return rc;
}
req->req_rem_data_len = size;
req->req_is_eager = true;
rc = mca_oob_ud_recv_alloc (req);
if (ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
if (MCA_OOB_UD_REQ_IOV == req->req_data_type) {
free (req->req_data.iov.uiov);
}
OBJ_RELEASE(req);
return rc;
}
srci = dsti = 0;
srco = dsto = 0;
if (msg->iov != NULL) {
do {
req->req_data_type = MCA_OOB_UD_REQ_IOV;
size_t copy = min(msg->iov[srci].iov_len - srco,
req->req_data.iov.uiov[dsti].iov_len - dsto);
memmove ((unsigned char *) req->req_data.iov.uiov[dsti].iov_base + dsto,
(unsigned char *) msg->iov[srci].iov_base + srco, copy);
srco += copy;
if (srco == msg->iov[srci].iov_len) {
srci++;
srco = 0;
}
dsto += copy;
if (dsto == req->req_data.iov.uiov[dsti].iov_len) {
dsti++;
dsto = 0;
}
} while (srci < req->req_data.iov.count && dsti < msg->count);
} else {
req->req_data_type = MCA_OOB_UD_REQ_BUF;
opal_buffer_t *buffer;
buffer = OBJ_NEW(opal_buffer_t);
if (OPAL_SUCCESS != (rc = opal_dss.copy_payload(buffer, msg->buffer))) {
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(buffer);
return rc;
}
if (OPAL_SUCCESS != (rc = opal_dss.unload(buffer, (void **)&req->req_data.buf.p, &req->req_data.buf.size)))
{
ORTE_ERROR_LOG(rc);
OBJ_RELEASE(buffer);
free(req->req_data.buf.p);
return rc;
}
OBJ_RELEASE(buffer);
}
req->state = MCA_OOB_UD_REQ_COMPLETE;
opal_output_verbose(10, orte_oob_base_framework.framework_output,
"%s mca_oob_ud_send_self: complete. calling callbacks",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
/* queue up recv callback */
mca_oob_ud_event_queue_completed (req);
req->rml_msg->status = ORTE_SUCCESS;
ORTE_RML_SEND_COMPLETE(req->rml_msg);
return size;
}