C++ (Cpp) proc_conn_resp Examples

Example #1

File: tcpx_conn_mgr.c Project: sayantansur/libfabric

static void client_recv_connresp(struct util_wait *wait,
				 struct tcpx_cm_context *cm_ctx)
{
	struct fi_eq_err_entry err_entry = { 0 };
	struct tcpx_ep *ep;
	ssize_t ret;

	assert(cm_ctx->fid->fclass == FI_CLASS_EP);
	ep = container_of(cm_ctx->fid, struct tcpx_ep, util_ep.ep_fid.fid);

	ret = ofi_wait_fd_del(wait, ep->conn_fd);
	if (ret) {
		FI_WARN(&tcpx_prov, FI_LOG_EP_CTRL,
			"Could not remove fd from wait\n");
		goto err;
	}

	ret = proc_conn_resp(cm_ctx, ep);
	if (ret)
		goto err;

	FI_DBG(&tcpx_prov, FI_LOG_EP_CTRL, "Received Accept from server\n");
	free(cm_ctx);
	return;
err:
	err_entry.fid = cm_ctx->fid;
	err_entry.context = cm_ctx->fid->context;
	err_entry.err = -ret;
	if (cm_ctx->cm_data_sz) {
		err_entry.err_data = calloc(1, cm_ctx->cm_data_sz);
		if (OFI_LIKELY(err_entry.err_data != NULL)) {
			memcpy(err_entry.err_data, cm_ctx->cm_data,
			       cm_ctx->cm_data_sz);
			err_entry.err_data_size = cm_ctx->cm_data_sz;
		}
	}
	FI_DBG(&tcpx_prov, FI_LOG_EP_CTRL,
	       "fi_eq_write the conn refused %"PRId64"\n", ret);
	free(cm_ctx);
	/* `err_entry.err_data` must live until it is passed to user */
	ret = fi_eq_write(&ep->util_ep.eq->eq_fid, FI_NOTIFY,
			  &err_entry, sizeof(err_entry), UTIL_FLAG_ERROR);
	if (OFI_UNLIKELY(ret < 0)) {
		free(err_entry.err_data);
	}
}

Example #2

File: tcpx_conn_mgr.c Project: jsquyres/libfabric

static void handle_connect(struct poll_fd_mgr *poll_mgr,
			   int index)
{
	struct tcpx_ep *ep;
	struct poll_fd_info *poll_info = &poll_mgr->poll_info[index];
	struct fi_eq_err_entry err_entry;
	int ret;

	assert(poll_info->fid->fclass == FI_CLASS_EP);
	ep = container_of(poll_info->fid, struct tcpx_ep, util_ep.ep_fid.fid);

	switch (poll_info->state) {
	case ESTABLISH_CONN:
		ret = send_conn_req(poll_mgr, poll_info, ep, index);
		if (ret)
			goto err;

		poll_info->state = RCV_RESP;
		poll_mgr->poll_fds[index].events = POLLIN;
		break;
	case RCV_RESP:
		ret = proc_conn_resp(poll_mgr, poll_info, ep, index);
		if (ret)
			goto err;

		poll_info->state = CONNECT_DONE;
		break;
	default:
		FI_WARN(&tcpx_prov, FI_LOG_EP_CTRL, "Invalid connection state\n");
		ret = -FI_EINVAL;
		goto err;
	}
	return;
err:
	memset(&err_entry, 0, sizeof err_entry);
	err_entry.fid = poll_info->fid;
	err_entry.context = poll_info->fid->context;
	err_entry.err = ret;

	poll_info->state = CONNECT_DONE;
	fi_eq_write(&ep->util_ep.eq->eq_fid, FI_SHUTDOWN,
		    &err_entry, sizeof(err_entry), UTIL_FLAG_ERROR);
}