static void *rping_persistent_server_thread(void *arg)
{
struct rping_cb *cb = arg;
struct ibv_recv_wr *bad_wr;
int ret;
ret = rping_setup_qp(cb, cb->child_cm_id);
if (ret) {
fprintf(stderr, "setup_qp failed: %d\n", ret);
goto err0;
}
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;
}
ret = pthread_create(&cb->cqthread, NULL, cq_thread, cb);
if (ret) {
perror("pthread_create");
goto err2;
}
ret = rping_accept(cb);
if (ret) {
fprintf(stderr, "connect error %d\n", ret);
goto err3;
}
rping_test_server(cb);
rdma_disconnect(cb->child_cm_id);
pthread_join(cb->cqthread, NULL);
rping_free_buffers(cb);
rping_free_qp(cb);
rdma_destroy_id(cb->child_cm_id);
free_cb(cb);
return NULL;
err3:
pthread_cancel(cb->cqthread);
pthread_join(cb->cqthread, NULL);
err2:
rping_free_buffers(cb);
err1:
rping_free_qp(cb);
err0:
free_cb(cb);
return NULL;
}
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_client(struct rping_cb *cb)
{
struct ibv_recv_wr *bad_wr;
int ret;
ret = rping_bind_client(cb);
if (ret)
return ret;
ret = rping_setup_qp(cb, cb->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;
}
ret = pthread_create(&cb->cqthread, NULL, cq_thread, cb);
if (ret) {
perror("pthread_create");
goto err2;
}
ret = rping_connect_client(cb);
if (ret) {
fprintf(stderr, "connect error %d\n", ret);
goto err3;
}
ret = rping_test_client(cb);
if (ret) {
fprintf(stderr, "rping client failed: %d\n", ret);
goto err4;
}
ret = 0;
err4:
rdma_disconnect(cb->cm_id);
err3:
pthread_join(cb->cqthread, NULL);
err2:
rping_free_buffers(cb);
err1:
rping_free_qp(cb);
return ret;
}