*
*
*/
+#define WITH_C99 /* For ul_gsa.h iterators */
#include <semaphore.h>
#include <getopt.h>
#include <forb.h>
#include <errno.h>
#include <stdio.h>
#include <ul_gavlcust.h>
+#include <ul_gsacust.h>
#include <string.h>
#include <ul_log.h>
#include <ul_logreg.h>
#include <forb/proto_inet.h>
#endif
+#define COMPILE_TIME_ASSERT(cond, msg) \
+ typedef char msg[(cond) ? 1 : -1]
+
+
UL_LOG_CUST(ulogd_fcb);
ul_log_domain_t ulogd_fcb = {UL_LOGL_MSG, "main"};
UL_LOGREG_SINGLE_DOMAIN_INIT_FUNCTION(init_ulogd_fcb, ulogd_fcb);
* Contract broker data
*/
struct fcb {
+ fres_contract_id_t contract_counter;
gavl_cust_root_field_t resources; /**< Registered resources */
gavl_cust_root_field_t contracts; /**< Contracts negotiated by this FCB */
};
#include "fcb_contract_gavl.inc"
#endif
+struct res_array {
+ gsa_array_field_t array;
+};
+
+GSA_CUST_DEC(res_array /* cust_prefix */,
+ struct res_array /* cust_array_t */,
+ struct resource /* cust_item_t */,
+ struct res_key /* cust_key_t */,
+ array /* cust_array_field */,
+ key /* cust_item_key */,
+ res_key_cmp /* cust_cmp_fnc */);
+
+GSA_CUST_IMP(res_array /* cust_prefix */,
+ struct res_array /* cust_array_t */,
+ struct resource /* cust_item_t */,
+ struct res_key /* cust_key_t */,
+ array /* cust_array_field */,
+ key /* cust_item_key */,
+ res_key_cmp /* cust_cmp_fnc */,
+ true /* cust_ins_fl */);
+
+
#define o2fcb(o) (struct fcb*)forb_instance_data(o)
if (fres_contract_id_is_empty(&c->id)) {
/* Normal negotiation request */
- forb_uuid_generate((forb_uuid_t *)&c->id);
+ COMPILE_TIME_ASSERT(sizeof(c->id) == sizeof(fcb->contract_counter),
+ wrong_size_of_contract_id);
+ c->id = ++fcb->contract_counter;
fc = fcb_contract_new(&c->id);
if (!fc)
return errno;
}
}
+static int
+reserve_resource(struct resource *resource)
+{
+ int ret, i;
+ fres_contract_ptr_seq contracts;
+ struct fres_contract *c;
+ struct fcb_contract *fc;
+ CORBA_Environment ev;
+
+ if (!forb_sequence_alloc_buf(&contracts, resource->rl.length)) {
+ ret = errno;
+ goto err;
+ }
+ forb_sequence_length(&contracts) = resource->rl.length;
+
+ i=0;
+ /* Prepare FORB sequence */
+ ul_list_for_each(reservation_list, &resource->rl, fc) {
+ c = NULL;
+ if (fc->to_be_reserved_contract)
+ /* Contract without spare capacity */
+ c = fc->to_be_reserved_contract;
+ else if (fc->requested_contract)
+ c = fc->requested_contract;
+ assert(c);
+ forb_sequence_elem(&contracts, i++) = c;
+ }
+
+ /* Reserve contract */
+ ret = fres_resource_manager_reserve_contracts(resource->mng, &contracts, &ev);
+ if (forb_exception_occurred(&ev)) {
+ ret = fres_forbex2err(&ev);
+ ul_logerr("FORB exception when reserving contracts\n");
+ goto err_free;
+ }
+ if (ret < 0) {
+ ul_logerr("Contract reservation error %d\n", ret);
+ ret = FRES_ERR_ADMISSION_TEST;
+ goto err_free;
+ } else if (ret == 0)
+ ret = FRSH_NO_ERROR;
+ else if (ret == 1)
+ ret = FRSH_ERR_CONTRACT_REJECTED;
+ else
+ assert(false);
+err_free:
+ forb_sequence_free_buf(&contracts, forb_no_destructor);
+err:
+ return ret;
+}
+
/**
*
*
rebalance_spare_capacity_and_reserve(struct resource *resource)
{
int ret;
- unsigned i;
struct reservation_list *rl = &resource->rl;
struct fcb_contract *fc;
fres_block_spare_capacity *s;
- fres_contract_ptr_seq contracts;
- if (!forb_sequence_alloc_buf(&contracts, rl->length)) {
- return errno;
- }
- contracts._length = rl->length;
- i=0;
/* Initialize optimization */
ul_list_for_each(reservation_list, rl, fc) {
fc->to_be_reserved_contract =
NULL;
assert(fc->to_be_reserved_contract != NULL);
- forb_sequence_elem(&contracts, i) = fc->to_be_reserved_contract;
- i++;
-
s = fres_contract_get_spare_capacity(fc->to_be_reserved_contract);
if (s && s->granularity == FRSH_GR_DISCRETE) {
fc->sc_variant.initial = s->variants._length - 1;
}
if (criterion > best_criterion) {
- CORBA_Environment ev;
- /* Reserve contract */
- ret = fres_resource_manager_reserve_contracts(resource->mng, &contracts, &ev);
- if (forb_exception_occurred(&ev)) {
- ret = fres_forbex2err(&ev);
- ul_logerr("FORB exception when reserving contracts\n");
- goto err;
- }
- if (ret < 0) {
- ul_logerr("Contract reservation error %d\n", ret);
- ret = FRES_ERR_ADMISSION_TEST;
- goto err;
- }
- if (ret == 0) { /* negotiation succeeded */
+ ret = reserve_resource(resource);
+ switch (ret) {
+ case FRSH_NO_ERROR:
best_criterion = criterion;
+ break;
+ case FRSH_ERR_CONTRACT_REJECTED:
+ break;
+ default:
+ goto err;
}
}
} while (!all_combinations_tried);
fres_contract_destroy(fc->to_be_reserved_contract);
fc->to_be_reserved_contract = NULL;
}
- forb_sequence_free_buf(&contracts, forb_no_destructor);
return ret;
}
static int
transaction_get_resources(struct fcb *fcb, struct fcb_contract *fc[],
- int num, struct resource **resources[])
+ int num, struct res_array *res_array)
{
- int i, j, r, alloc;
- struct resource **res;
+ int i;
struct resource *resource;
struct res_key key;
+ int ret;
- alloc = 10;
- res = malloc(alloc*sizeof(*res));
- if (!res)
- return errno;
- res[0] = NULL;
- for (r = 0, i = 0; i < num; i++) {
+ res_array_init_array_field(res_array);
+ for (i = 0; i < num; i++) {
get_fc_res_key(fc[i], &key);
resource = fcb_resource_find(fcb, &key);
- /* TODO: Check whether to use GSA for resources. */
+ ret = res_array_insert(res_array, resource);
+ if (ret == -1) {
+ ret = FRSH_ERR_INTERNAL_ERROR;
+ goto err;
+ }
}
- res[r] = NULL;
- return 0;
+ ret = 0;
+err:
+ return ret;
}
-
-
CORBA_long
negotiate_transaction(fres_contract_broker _obj,
const fres_transaction_t* transaction,
CORBA_Environment *ev)
{
struct fcb *fcb = o2fcb(_obj);
- struct fcb_contract **fcb_contracts;
- const fres_contract_ptr_seq* contracts = &transaction->contracts;
- int num = contracts->_length;
- int ret;
+ struct fcb_contract **fcb_contracts, *fc;
+ const fres_contract_ptr_seq* user_contracts = &transaction->contracts;
+ int i, ret, num = user_contracts->_length;
+ struct res_array res_array;
+ struct res_key key;
+ struct resource *resource;
+ ul_logmsg("Negotiating transaction of %d contracts\n", num);
if (transaction_has_spare_capacity(transaction)) {
ret = FRES_ERR_SPARE_CAPACITY_NOT_SUPPORTED;
goto err;
memset(fcb_contracts, 0, sizeof(*fcb_contracts)*num);
ret = prepare_fcb_contracts(fcb, fcb_contracts,
- contracts->_buffer, num);
+ user_contracts->_buffer, num);
if (ret)
goto err_free_fcb_contracts;
- //ret = transaction_get_resources(fcb_contracts, num, &resources);
+ ret = transaction_get_resources(fcb, fcb_contracts, num, &res_array);
+
+ gsa_cust_for_each(res_array, &res_array, resource) {
+ reservation_list_init_head(&resource->rl);
+ resource->rl.length = 0;
+ for (i = 0; i < num; i++) {
+ fc = fcb_contracts[i];
+ get_fc_res_key(fc, &key);
+ if (res_key_cmp(&key, &resource->key) == 0) {
+ reservation_list_insert(&resource->rl, fc);
+ resource->rl.length++;
+ }
+ }
+ }
+ gsa_cust_for_each(res_array, &res_array, resource) {
+ ret = reserve_resource(resource);
+ if (ret) {
+ ul_logerr("Reservation failed\n");
+ goto err_cancel_reservation;
+ }
+ }
+ gsa_cust_for_each(res_array, &res_array, resource) {
+ ret = commit_resource(resource);
+ if (ret) {
+ ul_logerr("Commit failed\n");
+ goto err_cancel_reservation;
+ }
+ }
- return FRSH_ERR_NOT_IMPLEMENTED;
+ return 0;
+err_cancel_reservation:
+ gsa_cust_for_each(res_array, &res_array, resource) {
+ cancel_reservations(resource);
+ }
+err_free_res_contracts:
+ forb_sequence_free_buf(&res_contracts, forb_no_destructor);
+err_free_resources:
+ res_array_delete_all(&res_array);
err_free_fcb_contracts:
free_fcb_contracts(fcb_contracts, num);
err:
}
}
+ memset(&fcb_data, 0, sizeof(fcb_data));
fosa_clock_get_time(CLOCK_REALTIME, &start_time);
if (opt_daemon)
projects / frescor / frsh.git / blobdiff