/*
* req_create -- process create request
*/
static int
req_create(struct rpmemd_obc *obc, void *arg,
const struct rpmem_req_attr *req,
const struct rpmem_pool_attr *pool_attr)
{
struct rpmem_req_attr ex_req = REQ_ATTR_INIT;
struct rpmem_pool_attr ex_pool_attr = POOL_ATTR_INIT;
UT_ASSERTne(arg, NULL);
UT_ASSERTeq(ex_req.provider, req->provider);
UT_ASSERTeq(ex_req.pool_size, req->pool_size);
UT_ASSERTeq(ex_req.nlanes, req->nlanes);
UT_ASSERTeq(strcmp(ex_req.pool_desc, req->pool_desc), 0);
UT_ASSERTeq(memcmp(&ex_pool_attr, pool_attr, sizeof(ex_pool_attr)), 0);
struct req_arg *args = arg;
return rpmemd_obc_create_resp(obc, 0, &args->resp);
}
/*
* req_cb_create -- callback for create request operation
*
* This function behaves according to arguments specified via
* struct req_cb_arg.
*/
static int
req_cb_create(struct rpmemd_obc *obc, void *arg,
const struct rpmem_req_attr *req,
const struct rpmem_pool_attr *pool_attr)
{
UT_ASSERTne(arg, NULL);
UT_ASSERTne(req, NULL);
UT_ASSERTne(pool_attr, NULL);
req_cb_check_req(req);
req_cb_check_pool_attr(pool_attr);
struct req_cb_arg *args = arg;
args->types |= (1 << RPMEM_MSG_TYPE_CREATE);
int ret = args->ret;
if (args->resp) {
struct rpmem_resp_attr resp = {
.port = PORT,
.rkey = RKEY,
.raddr = RADDR,
.persist_method = PERSIST_METHOD,
.nlanes = NLANES_RESP,
};
ret = rpmemd_obc_create_resp(obc,
args->status, &resp);
}
if (args->force_ret)
ret = args->ret;
return ret;
}
/*
* rpmemd_req_create -- handle create request
*/
static int
rpmemd_req_create(struct rpmemd_obc *obc, void *arg,
const struct rpmem_req_attr *req,
const struct rpmem_pool_attr *pool_attr)
{
RPMEMD_ASSERT(arg != NULL);
RPMEMD_LOG(NOTICE, "create request:");
rpmemd_print_req_attr(req);
RPMEMD_LOG(NOTICE, "pool attributes:");
rpmemd_print_pool_attr(pool_attr);
struct rpmemd *rpmemd = (struct rpmemd *)arg;
int ret;
int status = 0;
int err_send = 1;
struct rpmem_resp_attr resp;
memset(&resp, 0, sizeof(resp));
if (rpmemd->pool) {
RPMEMD_LOG(ERR, "pool already opened");
ret = -1;
status = RPMEM_ERR_FATAL;
goto err_pool_opened;
}
rpmemd->pool_desc = strdup(req->pool_desc);
if (!rpmemd->pool_desc) {
RPMEMD_LOG(ERR, "!allocating pool descriptor");
ret = -1;
status = RPMEM_ERR_FATAL;
goto err_strdup;
}
rpmemd->pool = rpmemd_db_pool_create(rpmemd->db,
req->pool_desc,
0, (struct rpmem_pool_attr *)pool_attr);
if (!rpmemd->pool) {
ret = -1;
status = rpmemd_db_get_status(errno);
goto err_pool_create;
}
rpmemd->created = 1;
ret = rpmemd_check_pool(rpmemd, req, &status);
if (ret)
goto err_pool_check;
ret = rpmemd_common_fip_init(rpmemd, req, &resp, &status);
if (ret)
goto err_fip_init;
RPMEMD_LOG(NOTICE, "create request response: (status = %u)", status);
if (!status)
rpmemd_print_resp_attr(&resp);
ret = rpmemd_obc_create_resp(rpmemd->obc, status, &resp);
if (ret)
goto err_create_resp;
ret = rpmemd_fip_start_thread(rpmemd);
if (ret)
goto err_fip_start;
return 0;
err_fip_start:
err_create_resp:
err_send = 0;
rpmemd_fip_fini(rpmemd->fip);
err_fip_init:
err_pool_check:
rpmemd_db_pool_close(rpmemd->db, rpmemd->pool);
rpmemd_db_pool_remove(rpmemd->db, req->pool_desc, 0);
err_pool_create:
free(rpmemd->pool_desc);
err_strdup:
err_pool_opened:
if (err_send)
ret = rpmemd_obc_create_resp(rpmemd->obc, status, &resp);
rpmemd->closing = 1;
return ret;
}
/*
* rpmemd_common_fip_init -- initialize fabric provider
*/
static int
rpmemd_common_fip_init(struct rpmemd *rpmemd, const struct rpmem_req_attr *req,
struct rpmem_resp_attr *resp, int *status)
{
void *addr = (void *)((uintptr_t)rpmemd->pool->pool_addr +
POOL_HDR_SIZE);
struct rpmemd_fip_attr fip_attr = {
.addr = addr,
.size = req->pool_size,
.nlanes = req->nlanes,
.nthreads = rpmemd->nthreads,
.provider = req->provider,
.persist_method = rpmemd->persist_method,
.persist = rpmemd->persist,
};
const char *node = rpmemd_get_ssh_addr();
enum rpmem_err err;
rpmemd->fip = rpmemd_fip_init(node, NULL, &fip_attr, resp, &err);
if (!rpmemd->fip) {
*status = (int)err;
goto err_fip_init;
}
return 0;
err_fip_init:
return -1;
}
/*
* rpmemd_req_create -- handle create request
*/
static int
rpmemd_req_create(struct rpmemd_obc *obc, void *arg,
const struct rpmem_req_attr *req,
const struct rpmem_pool_attr *pool_attr)
{
RPMEMD_ASSERT(arg != NULL);
struct rpmemd *rpmemd = (struct rpmemd *)arg;
int ret;
int status = 0;
int err_send = 1;
struct rpmem_resp_attr resp;
memset(&resp, 0, sizeof(resp));
if (rpmemd->pool) {
RPMEMD_LOG(ERR, "pool already opened");
status = RPMEM_ERR_FATAL;
goto err_pool_opened;
}
rpmemd->pool = rpmemd_db_pool_create(rpmemd->db,
req->pool_desc,
0, (struct rpmem_pool_attr *)pool_attr);
if (!rpmemd->pool) {
status = rpmemd_db_get_status(errno);
goto err_pool_create;
}
ret = rpmemd_check_pool(rpmemd, req, &status);
if (ret)
goto err_pool_check;
ret = rpmemd_common_fip_init(rpmemd, req, &resp, &status);
if (ret)
goto err_fip_init;
ret = rpmemd_obc_create_resp(rpmemd->obc, status, &resp);
if (ret) {
err_send = 0;
goto err_create_resp;
}
ret = rpmemd_fip_accept(rpmemd->fip);
if (ret) {
status = RPMEM_ERR_FATAL_CONN;
goto err_accept;
}
ret = rpmemd_fip_process_start(rpmemd->fip);
if (ret) {
status = RPMEM_ERR_FATAL_CONN;
goto err_process_start;
}
return 0;
err_process_start:
rpmemd_fip_close(rpmemd->fip);
err_accept:
err_send = 0;
err_create_resp:
rpmemd_fip_fini(rpmemd->fip);
err_fip_init:
err_pool_check:
rpmemd_db_pool_close(rpmemd->db, rpmemd->pool);
rpmemd_db_pool_remove(rpmemd->db, req->pool_desc);
err_pool_create:
err_pool_opened:
if (err_send)
ret = rpmemd_obc_create_resp(rpmemd->obc, status, &resp);
rpmemd->closing = 1;
return ret;
}
