int send_recv_greeting(struct fid_ep *ep) { int ret; const char *message = "Hello from Client!"; size_t message_len = strlen(message) + 1; if (opts.dst_addr) { fprintf(stdout, "Sending message...\n"); if (snprintf(tx_buf, tx_size, "%s", message) >= tx_size) { fprintf(stderr, "Transmit buffer too small.\n"); return -FI_ETOOSMALL; } ret = ft_tx(ep, remote_fi_addr, message_len, &tx_ctx); if (ret) return ret; fprintf(stdout, "Send completion received\n"); } else { fprintf(stdout, "Waiting for message from client...\n"); ret = ft_get_rx_comp(rx_seq); if (ret) return ret; ret = check_recv_msg(message); if (ret) return ret; fprintf(stdout, "Received data from client: %s\n", (char *) rx_buf); } return 0; }
static int run_test(void) { int ret = 0; const char *message = "Hello from Client!"; size_t message_len = strlen(message) + 1; ret = ft_init_fabric(); if (ret) return ret; ret = ft_exchange_keys(&remote); if (ret) return ret; if (opts.dst_addr) { fprintf(stdout, "RMA write to server\n"); if (snprintf(tx_buf, tx_size, "%s", message) >= tx_size) { fprintf(stderr, "Transmit buffer too small.\n"); return -FI_ETOOSMALL; } ret = fi_write(ep, tx_buf, message_len, mr_desc, remote_fi_addr, remote.addr, remote.key, &fi_ctx_write); if (ret) return ret; ret = ft_get_tx_comp(++tx_seq); if (ret) return ret; fprintf(stdout, "Received a completion event for RMA write\n"); } else { ret = ft_get_rx_comp(rx_seq); if (ret) return ret; ret = check_recv_msg(message); if (ret) return ret; fprintf(stdout, "Received data from Client: %s\n", (char *) rx_buf); } /* TODO: need support for finalize operation to sync test */ return 0; }
static int send_recv() { struct fi_cq_entry comp; struct epoll_event event; struct fid *fids[1]; int ret; const char *message = "Hello from Client!"; size_t message_len = strlen(message) + 1; if (opts.dst_addr) { fprintf(stdout, "Posting a send...\n"); if (snprintf(tx_buf, tx_size, "%s", message) >= tx_size) { fprintf(stderr, "Transmit buffer too small.\n"); return -FI_ETOOSMALL; } ret = ft_post_tx(ep, remote_fi_addr, message_len, NO_CQ_DATA, &tx_ctx); if (ret) return ret; memset(&event, 0, sizeof event); fids[0] = &txcq->fid; do { if (fi_trywait(fabric, fids, 1) == FI_SUCCESS) { ret = TEMP_FAILURE_RETRY(epoll_wait(epfd, &event, 1, -1)); if (ret < 0) { ret = -errno; FT_PRINTERR("epoll_wait", ret); return ret; } if (event.data.ptr != &txcq->fid) fprintf(stdout, "unexpected event!\n"); } ret = fi_cq_read(txcq, &comp, 1); } while (ret == -FI_EAGAIN); if (ret < 0) { if (ret == -FI_EAVAIL) ret = ft_cq_readerr(txcq); return ret; } fprintf(stdout, "Send completion received\n"); } else { fprintf(stdout, "Waiting for client...\n"); memset(&event, 0, sizeof event); fids[0] = &rxcq->fid; do { if (fi_trywait(fabric, fids, 1) == FI_SUCCESS) { ret = TEMP_FAILURE_RETRY(epoll_wait(epfd, &event, 1, -1)); if (ret < 0) { ret = -errno; FT_PRINTERR("epoll_wait", ret); return ret; } if (event.data.ptr != &rxcq->fid) { fprintf(stdout, "unexpected event!\n"); } } ret = fi_cq_read(rxcq, &comp, 1); } while (ret == -FI_EAGAIN); if (ret < 0) { if (ret == -FI_EAVAIL) ret = ft_cq_readerr(rxcq); return ret; } ret = check_recv_msg(message); if (ret) return ret; fprintf(stdout, "Received data from client: %s\n", (char *) rx_buf); } return 0; }