static int rping_run_server(struct rping_cb *cb)
{
struct ibv_recv_wr *bad_wr;
int ret;
ret = rping_bind_server(cb);
if (ret)
return ret;
sem_wait(&cb->sem);
if (cb->state != CONNECT_REQUEST) {
fprintf(stderr, "wait for CONNECT_REQUEST state %d\n",
cb->state);
return -1;
}
ret = rping_setup_qp(cb, cb->child_cm_id);
if (ret) {
fprintf(stderr, "setup_qp failed: %d\n", ret);
return ret;
}
ret = rping_setup_buffers(cb);
if (ret) {
fprintf(stderr, "rping_setup_buffers failed: %d\n", ret);
goto err1;
}
ret = ibv_post_recv(cb->qp, &cb->rq_wr, &bad_wr);
if (ret) {
fprintf(stderr, "ibv_post_recv failed: %d\n", ret);
goto err2;
}
pthread_create(&cb->cqthread, NULL, cq_thread, cb);
ret = rping_accept(cb);
if (ret) {
fprintf(stderr, "connect error %d\n", ret);
goto err2;
}
ret = rping_test_server(cb);
if (ret) {
fprintf(stderr, "rping server failed: %d\n", ret);
goto err3;
}
ret = 0;
err3:
rdma_disconnect(cb->child_cm_id);
pthread_join(cb->cqthread, NULL);
rdma_destroy_id(cb->child_cm_id);
err2:
rping_free_buffers(cb);
err1:
rping_free_qp(cb);
return ret;
}
static int rping_run_persistent_server(struct rping_cb *listening_cb)
{
int ret;
struct rping_cb *cb;
pthread_attr_t attr;
ret = rping_bind_server(listening_cb);
if (ret)
return ret;
/*
* Set persistent server threads to DEATCHED state so
* they release all their resources when they exit.
*/
ret = pthread_attr_init(&attr);
if (ret) {
perror("pthread_attr_init");
return ret;
}
ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
if (ret) {
perror("pthread_attr_setdetachstate");
return ret;
}
while (1) {
sem_wait(&listening_cb->sem);
if (listening_cb->state != CONNECT_REQUEST) {
fprintf(stderr, "wait for CONNECT_REQUEST state %d\n",
listening_cb->state);
return -1;
}
cb = clone_cb(listening_cb);
if (!cb)
return -1;
ret = pthread_create(&cb->persistent_server_thread, &attr, rping_persistent_server_thread, cb);
if (ret) {
perror("pthread_create");
return ret;
}
}
return 0;
}
static int rping_run_persistent_server(struct rping_cb *listening_cb)
{
int ret;
struct rping_cb *cb;
ret = rping_bind_server(listening_cb);
if (ret)
return ret;
while (1) {
sem_wait(&listening_cb->sem);
if (listening_cb->state != CONNECT_REQUEST) {
fprintf(stderr, "wait for CONNECT_REQUEST state %d\n",
listening_cb->state);
return -1;
}
cb = clone_cb(listening_cb);
if (!cb)
return -1;
pthread_create(&cb->persistent_server_thread, NULL, rping_persistent_server_thread, cb);
}
return 0;
}
