static int hook_reject(struct fid_pep *pep, fid_t handle,
const void *param, size_t paramlen)
{
struct hook_pep *mypep = container_of(pep, struct hook_pep, pep);
return fi_reject(mypep->hpep, handle, param, paramlen);
}
static int connreq_handler(struct fi_info *info)
{
struct cma_node *node;
int ret;
if (conn_index == connections) {
ret = -ENOMEM;
goto err1;
}
node = &nodes[conn_index++];
ret = init_node(node, info);
if (ret)
goto err2;
ret = fi_accept(node->ep, NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err2;
}
return 0;
err2:
connects_left--;
err1:
printf("cmatose: failing connection request\n");
fi_reject(pep, info->handle, NULL, 0);
return ret;
}
int ft_server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
ssize_t rd;
int ret;
rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PROCESS_EQ_ERR(rd, eq, "fi_eq_sread", "listen");
return (int) rd;
}
fi = entry.info;
if (event != FI_CONNREQ) {
fprintf(stderr, "Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err;
}
ret = fi_domain(fabric, fi, &domain, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err;
}
ret = ft_alloc_active_res(fi);
if (ret)
goto err;
ret = ft_init_ep();
if (ret)
goto err;
ret = fi_accept(ep, NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err;
}
rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PROCESS_EQ_ERR(rd, eq, "fi_eq_sread", "accept");
ret = (int) rd;
goto err;
}
if (event != FI_CONNECTED || entry.fid != &ep->fid) {
fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
event, entry.fid, ep);
ret = -FI_EOTHER;
goto err;
}
return 0;
err:
fi_reject(pep, fi->handle, NULL, 0);
return ret;
}
static int setup_server_ep(struct fid_ep **ep)
{
int ret;
ret = ft_retrieve_conn_req(eq, &fi);
if (ret)
goto failed_accept;
ret = fi_endpoint(domain, fi, ep, NULL);
if (ret) {
FT_PRINTERR("fi_endpoint", ret);
goto failed_accept;
}
ret = ft_setup_ep(*ep, eq, av, txcq, rxcq, txcntr, rxcntr, false);
if (ret)
goto failed_accept;
ret = ft_accept_connection(*ep, eq);
if (ret)
goto failed_accept;
return 0;
failed_accept:
fi_reject(pep, fi->handle, NULL, 0);
return ret;
}
static int server_reject(size_t paramlen)
{
int ret;
ret = server_listen(paramlen);
if (ret)
return ret;
/* Data will appear in error event generated on remote end. */
ft_fill_buf(cm_data, paramlen);
ret = fi_reject(pep, fi->handle, cm_data, paramlen);
if (ret)
FT_PRINTERR("fi_reject", ret);
return ret;
}
static int server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
struct fi_info *info = NULL;
ssize_t rd;
int ret;
/* Wait for connection request from client */
rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PRINTERR("fi_eq_sread", rd);
return (int) rd;
}
info = entry.info;
if (event != FI_CONNREQ) {
FT_ERR("Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err;
}
ret = fi_domain(fabric, info, &domain, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err;
}
ret = ft_alloc_active_res(info);
if (ret)
goto err;
ret = ft_init_ep();
if (ret)
goto err;
/* Accept the incoming connection. Also transitions endpoint to active state */
ret = fi_accept(ep, NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err;
}
/* Wait for the connection to be established */
rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PRINTERR("fi_eq_sread", rd);
goto err;
}
if (event != FI_CONNECTED || entry.fid != &ep->fid) {
FT_ERR("Unexpected CM event %d fid %p (ep %p)\n", event, entry.fid, ep);
ret = -FI_EOTHER;
goto err;
}
ret = check_address(&ep->fid, "accept");
if (ret) {
goto err;
}
fi_freeinfo(info);
return 0;
err:
fi_reject(pep, info->handle, NULL, 0);
fi_freeinfo(info);
return ret;
}
static int server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
struct fi_info *info = NULL;
ssize_t rd;
int ret;
/* Wait for connection request from client */
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PROCESS_EQ_ERR(rd, cmeq, "fi_eq_sread", "listen");
return (int) rd;
}
info = entry.info;
if (event != FI_CONNREQ) {
fprintf(stderr, "Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err1;
}
ret = fi_domain(fab, info, &dom, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err1;
}
ret = alloc_ep_res(info);
if (ret)
goto err1;
ret = bind_ep_res();
if (ret)
goto err3;
/* Accept the incoming connection. Also transitions endpoint to active state */
ret = fi_accept(ep, NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err3;
}
/* Wait for the connection to be established */
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PROCESS_EQ_ERR(rd, cmeq, "fi_eq_sread", "accept");
ret = (int) rd;
goto err3;
}
if (event != FI_CONNECTED || entry.fid != &ep->fid) {
fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
event, entry.fid, ep);
ret = -FI_EOTHER;
goto err3;
}
fi_freeinfo(info);
return 0;
err3:
free_ep_res();
err1:
fi_reject(pep, info->handle, NULL, 0);
fi_freeinfo(info);
return ret;
}
static int server_accept(size_t paramlen)
{
uint32_t event;
int ret;
ret = server_listen(paramlen);
if (ret)
return ret;
ret = fi_domain(fabric, fi, &domain, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err;
}
ret = ft_alloc_active_res(fi);
if (ret) {
FT_PRINTERR("alloc_active_res", ret);
goto err;
}
ret = ft_init_ep();
if (ret) {
FT_PRINTERR("init_ep", ret);
goto err;
}
/* Data will apppear on accept event on remote end. */
ft_fill_buf(cm_data, paramlen);
/* Accept the incoming connection. Also transitions endpoint to active
* state.
*/
ret = fi_accept(ep, cm_data, paramlen);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err;
}
/* Local FI_CONNECTED event does not have data associated. */
memset(entry, 0, sizeof(*entry));
ret = fi_eq_sread(eq, &event, entry, sizeof(*entry), -1, 0);
if (ret != sizeof(*entry)) {
FT_PROCESS_EQ_ERR(ret, eq, "fi_eq_sread", "accept");
goto err;
}
if (event != FI_CONNECTED || entry->fid != &ep->fid) {
FT_ERR("Unexpected CM event %d fid %p (ep %p)", event,
entry->fid, ep);
ret = -FI_EOTHER;
goto err;
}
fi_shutdown(ep, 0);
ret = read_shutdown_event();
if (ret)
goto err;
FT_CLOSE_FID(ep);
FT_CLOSE_FID(rxcq);
FT_CLOSE_FID(txcq);
FT_CLOSE_FID(rxcntr);
FT_CLOSE_FID(txcntr);
FT_CLOSE_FID(av);
FT_CLOSE_FID(domain);
return 0;
err:
fi_reject(pep, fi->handle, NULL, 0);
return ret;
}
static int server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
ssize_t rd;
int ret, k;
int num_conn_reqs = 0, num_connected = 0;
struct ep_info *ep_state_array = NULL;
ep_array = calloc(ep_cnt, sizeof(*ep_array));
if (!ep_array)
return -FI_ENOMEM;
ep_state_array = calloc(ep_cnt, sizeof(*ep_state_array));
if (!ep_state_array)
return -FI_ENOMEM;
while (num_connected != ep_cnt) {
rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PROCESS_EQ_ERR(rd, eq, "fi_eq_sread", "cm-event");
ret = (int) rd;
goto err;
}
switch(event) {
case FI_CONNREQ:
if (num_conn_reqs == ep_cnt) {
fprintf(stderr, "Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err;
}
fi = ep_state_array[num_conn_reqs].fi = entry.info;
ep_state_array[num_conn_reqs].state = FT_EP_CONNECT_RCVD;
if (num_conn_reqs == 0) {
ret = fi_domain(fabric, fi, &domain, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err;
}
ret = alloc_ep_res(fi);
if (ret)
goto err;
}
ret = fi_endpoint(domain, fi, &ep_array[num_conn_reqs], NULL);
if (ret) {
FT_PRINTERR("fi_endpoint", ret);
goto err;
}
ep_state_array[num_conn_reqs].ep = ep_array[num_conn_reqs];
ret = bind_ep_res(ep_array[num_conn_reqs]);
if (ret)
goto err;
ret = fi_accept(ep_array[num_conn_reqs], NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err;
}
ep_state_array[num_conn_reqs].state = FT_EP_CONNECTING;
num_conn_reqs++;
break;
case FI_CONNECTED:
if (num_conn_reqs <= num_connected) {
ret = -FI_EOTHER;
goto err;
}
for (k = 0; k < num_conn_reqs; k++) {
if (ep_state_array[k].state != FT_EP_CONNECTING)
continue;
if (&ep_state_array[k].ep->fid == entry.fid) {
ep_state_array[k].state = FT_EP_CONNECTED;
num_connected++;
if (num_connected != ep_cnt)
fi_freeinfo(ep_state_array[k].fi);
break;
}
}
if (k == num_conn_reqs) {
fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
event, entry.fid, ep);
ret = -FI_EOTHER;
goto err;
}
break;
default:
ret = -FI_EOTHER;
goto err;
}
}
/* Post recv */
if (rx_shared_ctx)
ret = ft_post_rx(srx_ctx, MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
else
ret = ft_post_rx(ep_array[0], MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
if (ret)
goto err;
free(ep_state_array);
return 0;
err:
for (k = 0; k < ep_cnt; k++) {
switch(ep_state_array[k].state) {
case FT_EP_CONNECT_RCVD:
fi_reject(pep, ep_state_array[k].fi->handle, NULL, 0);
break;
case FT_EP_CONNECTING:
case FT_EP_CONNECTED:
fi_shutdown(ep_state_array[k].ep, 0);
break;
case FT_EP_STATE_INIT:
default:
break;
}
}
free(ep_state_array);
return ret;
}
static int server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
struct fi_info *info = NULL;
ssize_t rd;
int ret;
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
printf("fi_eq_sread %zd %s\n", rd, fi_strerror((int) -rd));
return (int) rd;
}
if (event != FI_CONNREQ) {
printf("Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err1;
}
info = entry.info;
ret = fi_domain(fab, info, &dom, NULL);
if (ret) {
printf("fi_domain %s\n", fi_strerror(-ret));
goto err1;
}
ret = fi_endpoint(dom, info, &ep, NULL);
if (ret) {
printf("fi_endpoint for req %s\n", fi_strerror(-ret));
goto err1;
}
ret = alloc_ep_res(info);
if (ret)
goto err2;
ret = bind_ep_res();
if (ret)
goto err3;
ret = fi_accept(ep, NULL, 0);
if (ret) {
printf("fi_accept %s\n", fi_strerror(-ret));
goto err3;
}
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
printf("fi_eq_sread %zd %s\n", rd, fi_strerror((int) -rd));
goto err3;
}
if (event != FI_COMPLETE || entry.fid != &ep->fid) {
printf("Unexpected CM event %d fid %p (ep %p)\n",
event, entry.fid, ep);
ret = -FI_EOTHER;
goto err3;
}
fi_freeinfo(info);
return 0;
err3:
free_ep_res();
err2:
fi_close(&ep->fid);
err1:
fi_reject(pep, info->connreq, NULL, 0);
fi_freeinfo(info);
return ret;
}
static int server_connect(void)
{
struct fi_eq_cm_entry entry;
uint32_t event;
struct fi_info *info = NULL;
ssize_t rd;
int ret;
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PRINTERR("fi_eq_sread", rd);
return (int) rd;
}
info = entry.info;
if (event != FI_CONNREQ) {
fprintf(stderr, "Unexpected CM event %d\n", event);
ret = -FI_EOTHER;
goto err1;
}
ret = fi_domain(fab, info, &dom, NULL);
if (ret) {
FT_PRINTERR("fi_domain", ret);
goto err1;
}
ret = fi_endpoint(dom, info, &ep, NULL);
if (ret) {
FT_PRINTERR("fi_endpoint", -ret);
goto err1;
}
ret = alloc_ep_res(info);
if (ret)
goto err1;
ret = bind_ep_res();
if (ret)
goto err3;
ret = fi_accept(ep, NULL, 0);
if (ret) {
FT_PRINTERR("fi_accept", ret);
goto err3;
}
rd = fi_eq_sread(cmeq, &event, &entry, sizeof entry, -1, 0);
if (rd != sizeof entry) {
FT_PRINTERR("fi_eq_sread", rd);
goto err3;
}
if (event != FI_CONNECTED || entry.fid != &ep->fid) {
fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
event, entry.fid, ep);
ret = -FI_EOTHER;
goto err3;
}
fi_freeinfo(info);
return 0;
err3:
free_ep_res();
err1:
fi_reject(pep, info->connreq, NULL, 0);
fi_freeinfo(info);
return ret;
}