*
* @author Daniel Sangorrin <daniel.sangorrin@unican.es>
*
+ * @license
+ *
+ * -----------------------------------------------------------------------
+ * Copyright (C) 2006 - 2008 FRESCOR consortium partners:
+ *
+ * Universidad de Cantabria, SPAIN
+ * University of York, UK
+ * Scuola Superiore Sant'Anna, ITALY
+ * Kaiserslautern University, GERMANY
+ * Univ. Politécnica Valencia, SPAIN
+ * Czech Technical University in Prague, CZECH REPUBLIC
+ * ENEA SWEDEN
+ * Thales Communication S.A. FRANCE
+ * Visual Tools S.A. SPAIN
+ * Rapita Systems Ltd UK
+ * Evidence ITALY
+ *
+ * See http://www.frescor.org for a link to partners' websites
+ *
+ * FRESCOR project (FP6/2005/IST/5-034026) is funded
+ * in part by the European Union Sixth Framework Programme
+ * The European Union is not liable of any use that may be
+ * made of this code.
+ *
+ * This file is part of FRESCAN
+ *
+ * FRESCAN is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * FRESCAN is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * distributed with FRESCAN; see file COPYING. If not, write to the
+ * Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * As a special exception, including FRESCAN header files in a file,
+ * instantiating FRESCAN generics or templates, or linking other files
+ * with FRESCAN objects to produce an executable application, does not
+ * by itself cause the resulting executable application to be covered
+ * by the GNU General Public License. This exception does not
+ * however invalidate any other reasons why the executable file might be
+ * covered by the GNU Public License.
+ * -----------------------------------------------------------------------
+ *
*/
#include "frescan_bwres.h"
#include "frescan_bwres_requests.h"
#include "frescan_bwres_messages.h"
#include "frescan_bwres_threads.h"
+#include "frescan_bwres_analysis.h"
#include "frescan_data.h"
#include "frescan_debug.h"
#include "frescan_config.h"
int frescan_bwres_init(frescan_network_t net)
{
int ret;
- frescan_server_params_t params;
+ frescan_server_params_t server_params; // TODO: improve this...
+ frescan_sa_init_params_t sa_init_params; // TODO: improve this...
+
+ sa_init_params.max_prio = 30;
+ sa_init_params.min_prio = 1;
+
+ ret = frescan_sa_init(&the_networks[net].scenario,
+ &sa_init_params);
+ if (ret != 0) return ret;
- // TODO: server params must be configurable
- // TODO: initialization tree like in DTM
- params.values.budget = 5;
- params.values.period.tv_sec = 1;
- params.values.period.tv_nsec = 0;
- params.prio = FRESCAN_BWRES_NEG_MESSAGES_PRIO;
+ server_params.budget = 5;
+ server_params.period.tv_sec = 1;
+ server_params.period.tv_nsec = 0;
+ server_params.prio = FRESCAN_BWRES_NEG_MESSAGES_PRIO;
- ret = frescan_servers_create(net, ¶ms,
+ ret = frescan_servers_create(net, &server_params,
&the_networks[net].neg_messages_ss_id);
if (ret != 0) return ret;
+ // TODO: we have to add this negotiation contracts to the sa table
+
ret = frescan_bwres_robjs_init(FRESCAN_REPLY_OBJECTS_MX_CEILING);
if (ret != 0) return ret;
ret = frescan_requests_init(FRESCAN_REQUESTS_MX_CEILING);
if (ret != 0) return ret;
+ ret = frescan_messages_init(net);
+ if (ret != 0) return ret;
+
ret = frescan_manager_thread_create(net);
if (ret != 0) return ret;
* 2.- enqueue the request
* 3.- wait in the reply object for a reply
* 4.- return the final values and free the request
- *
*/
int frescan_bwres_negotiate(frescan_network_t net,
- const frescan_contract_t *contract,
- frescan_ss_t *id)
+ const frsh_contract_t *contract,
+ frescan_ss_t *ss,
+ bool *accepted)
{
int ret;
frescan_request_id_t req;
frescan_request_data_t *req_data;
+ frescan_server_params_t server_params;
DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "preparing a negotiation request\n");
req_data->type = FRESCAN_REQ_NEG;
req_data->req = req;
- req_data->contract = (frescan_contract_t *)contract;
+ req_data->contract = (frsh_contract_t *)contract;
req_data->request_node = the_networks[net].local_node;
+ req_data->net = net;
ret = frescan_bwres_robjs_alloc(&req_data->robj, FRESCAN_BWRES_MX_PRIO);
if (ret != 0) return ret;
+ // NOTE: we preallocate a server for the negotiation process
+ server_params.budget = 0;
+ server_params.period.tv_sec = 0;
+ server_params.period.tv_nsec = 0;
+ server_params.prio = 0;
+
+ ret = frescan_servers_create(net, &server_params, &req_data->ss);
+ if (ret != 0) return ret;
+
DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "enqueue the negotiation request\n");
ret = frescan_requests_enqueue(req);
if (ret != 0) return ret;
switch (req_data->return_value) {
- case FRESCAN_REQ_ACCEPTED:
- DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation OK\n");
- *id = req_data->ss;
- ret = 0;
- break;
-
- case FRESCAN_REQ_NOT_ACCEPTED:
- DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation FAIL\n");
- ret = -1;
- break;
-
- case FRESCAN_REQ_ERROR:
- DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation ERROR\n");
- ret = -1;
- break;
-
- default:
- ERROR("return_value unknown\n");
- return -1;
+ case FRESCAN_REQ_ACCEPTED:
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation OK\n");
+ *accepted = true;
+ *ss = req_data->ss;
+ server_params = req_data->final_values;
+ ret = frescan_servers_update(net, &server_params, *ss);
+ if (ret != 0) return ret;
+ break;
+
+ case FRESCAN_REQ_NOT_ACCEPTED:
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation FAIL\n");
+ *accepted = false;
+ ret = frescan_servers_destroy(net, req_data->ss);
+ if (ret != 0) return ret;
+ break;
+
+ default:
+ FRESCAN_ERROR("return_value unknown\n");
+ return -1;
}
- DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "free the request\n");
+ frescan_requests_free(req);
+ return 0;
+}
+
+/**
+ * frescan_bwres_renegotiate()
+ */
+
+int frescan_bwres_renegotiate(frescan_network_t net,
+ const frsh_contract_t *contract,
+ frescan_ss_t ss,
+ bool *accepted)
+{
+ int ret;
+ frescan_request_id_t req;
+ frescan_request_data_t *req_data;
+ frescan_server_params_t server_params;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "preparing renegotiation request\n");
+
+ ret = frescan_requests_alloc(&req);
+ if (ret != 0) return ret;
+
+ ret = frescan_requests_get_data(req, &req_data);
+ if (ret != 0) return ret;
+
+ req_data->type = FRESCAN_REQ_RENEG;
+ req_data->req = req;
+ req_data->contract = (frsh_contract_t *)contract;
+ req_data->request_node = the_networks[net].local_node;
+ req_data->net = net;
+ req_data->ss = ss;
+
+ ret = frescan_bwres_robjs_alloc(&req_data->robj, FRESCAN_BWRES_MX_PRIO);
+ if (ret != 0) return ret;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "enqueue renegotiation request\n");
+
+ ret = frescan_requests_enqueue(req);
+ if (ret != 0) return ret;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "wait for a reply\n");
+
+ ret = frescan_bwres_robjs_wait(req_data->robj);
+ if (ret != 0) return ret;
+
+ ret = frescan_bwres_robjs_free(req_data->robj);
+ if (ret != 0) return ret;
+
+ switch (req_data->return_value) {
+ case FRESCAN_REQ_ACCEPTED:
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "renegotiation OK\n");
+ *accepted = true;
+ server_params = req_data->final_values;
+ ret = frescan_servers_update(net, &server_params, ss);
+ if (ret != 0) return ret;
+ break;
+
+ case FRESCAN_REQ_NOT_ACCEPTED:
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "negotiation FAIL\n");
+ *accepted = false;
+ if (ret != 0) return ret;
+ break;
+
+ default:
+ FRESCAN_ERROR("return_value unknown\n");
+ return -1;
+ }
frescan_requests_free(req);
+ return 0;
+}
+
+/**
+ * frescan_bwres_cancel()
+ */
+
+int frescan_bwres_cancel(frescan_network_t net,
+ frescan_ss_t ss)
+{
+ int ret;
+ frescan_request_id_t req;
+ frescan_request_data_t *req_data;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "preparing cancel request\n");
+
+ ret = frescan_requests_alloc(&req);
+ if (ret != 0) return ret;
+
+ ret = frescan_requests_get_data(req, &req_data);
+ if (ret != 0) return ret;
+
+ req_data->type = FRESCAN_REQ_CANCEL;
+ req_data->req = req;
+ req_data->request_node = the_networks[net].local_node;
+ req_data->net = net;
+ req_data->ss = ss;
- return ret;
+ ret = frescan_bwres_robjs_alloc(&req_data->robj, FRESCAN_BWRES_MX_PRIO);
+ if (ret != 0) return ret;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "enqueue cancel request\n");
+
+ ret = frescan_requests_enqueue(req);
+ if (ret != 0) return ret;
+
+ DEBUG(FRESCAN_BWRES_ENABLE_DEBUG, "wait for a signal\n");
+
+ ret = frescan_bwres_robjs_wait(req_data->robj);
+ if (ret != 0) return ret;
+
+ ret = frescan_bwres_robjs_free(req_data->robj);
+ if (ret != 0) return ret;
+
+ ret = frescan_servers_destroy(net, ss);
+ if (ret != 0) return ret;
+
+ frescan_requests_free(req);
+ return 0;
}
projects / frescor / fna.git / blobdiff