C++ (Cpp) fi_tsendmsg Examples

Example #1

File: shared.c Project: a-abraham/fabtests-cray

int ft_finalize(void)
{
	struct iovec iov;
	int ret;
	struct fi_context ctx;
	void *desc = fi_mr_desc(mr);

	strcpy(tx_buf + ft_tx_prefix_size(), "fin");
	iov.iov_base = tx_buf;
	iov.iov_len = 4 + ft_tx_prefix_size();

	if (hints->caps & FI_TAGGED) {
		struct fi_msg_tagged tmsg;

		memset(&tmsg, 0, sizeof tmsg);
		tmsg.msg_iov = &iov;
		tmsg.desc = &desc;
		tmsg.iov_count = 1;
		tmsg.addr = remote_fi_addr;
		tmsg.tag = tx_seq;
		tmsg.ignore = 0;
		tmsg.context = &ctx;

		ret = fi_tsendmsg(ep, &tmsg, FI_INJECT | FI_TRANSMIT_COMPLETE);
	} else {
		struct fi_msg msg;

		memset(&msg, 0, sizeof msg);
		msg.msg_iov = &iov;
		msg.desc = &desc;
		msg.iov_count = 1;
		msg.addr = remote_fi_addr;
		msg.context = &ctx;

		ret = fi_sendmsg(ep, &msg, FI_INJECT | FI_TRANSMIT_COMPLETE);
	}
	if (ret) {
		FT_PRINTERR("transmit", ret);
		return ret;
	}


	ret = ft_get_tx_comp(++tx_seq);
	if (ret)
		return ret;

	ret = ft_get_rx_comp(rx_seq);
	if (ret)
		return ret;

	return 0;
}

Example #2

File: rdm_tagged_sr.c Project: RajKamal2013/libfabric

/*
ssize_t fi_tsendmsg(struct fid_ep *ep, const struct fi_msg *msg,
		uint64_t flags);
*/
void do_tsendmsg(int len)
{
	int ret;
	ssize_t sz;
	int source_done = 0, dest_done = 0;
	struct fi_cq_tagged_entry s_cqe, d_cqe;
	struct fi_msg_tagged msg;
	struct iovec iov;

	iov.iov_base = source;
	iov.iov_len = len;

	msg.msg_iov = &iov;
	msg.desc = (void **)&loc_mr;
	msg.iov_count = 1;
	msg.addr = gni_addr[1];
	msg.context = target;
	msg.data = (uint64_t)target;
	msg.tag = len;
	msg.ignore = 0;

	rdm_tagged_sr_init_data(source, len, 0xef);
	rdm_tagged_sr_init_data(target, len, 0);

	sz = fi_tsendmsg(ep[0], &msg, 0);
	cr_assert_eq(sz, 0);

	sz = fi_trecv(ep[1], target, len, rem_mr, gni_addr[0], len, 0, source);
	cr_assert_eq(sz, 0);

	/* need to progress both CQs simultaneously for rendezvous */
	do {
		ret = fi_cq_read(msg_cq[0], &s_cqe, 1);
		if (ret == 1) {
			source_done = 1;
		}
		ret = fi_cq_read(msg_cq[1], &d_cqe, 1);
		if (ret == 1) {
			dest_done = 1;
		}
	} while (!(source_done && dest_done));

	dbg_printf("got context events!\n");

	cr_assert(rdm_tagged_sr_check_data(source, target, len), "Data mismatch");
}