src/fwp/fwp/mngr/fwp_mngr.c

   1 /**************************************************************************/
   2 /* ---------------------------------------------------------------------- */
   3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners:                 */
   4 /*                                                                        */
   5 /*   Universidad de Cantabria,              SPAIN                         */
   6 /*   University of York,                    UK                            */
   7 /*   Scuola Superiore Sant'Anna,            ITALY                         */
   8 /*   Kaiserslautern University,             GERMANY                       */
   9 /*   Univ. Politécnica  Valencia,           SPAIN                        */
  10 /*   Czech Technical University in Prague,  CZECH REPUBLIC                */
  11 /*   ENEA                                   SWEDEN                        */
  12 /*   Thales Communication S.A.              FRANCE                        */
  13 /*   Visual Tools S.A.                      SPAIN                         */
  14 /*   Rapita Systems Ltd                     UK                            */
  15 /*   Evidence                               ITALY                         */
  16 /*                                                                        */
  17 /*   See http://www.frescor.org for a link to partners' websites          */
  18 /*                                                                        */
  19 /*          FRESCOR project (FP6/2005/IST/5-034026) is funded             */
  20 /*       in part by the European Union Sixth Framework Programme          */
  21 /*       The European Union is not liable of any use that may be          */
  22 /*       made of this code.                                               */
  23 /*                                                                        */
  24 /*                                                                        */
  25 /*  This file is part of FWP (Frescor WLAN Protocol)                      */
  26 /*                                                                        */
  27 /* FWP is free software; you can redistribute it and/or modify it         */
  28 /* under terms of the GNU General Public License as published by the      */
  29 /* Free Software Foundation; either version 2, or (at your option) any    */
  30 /* later version.  FWP is distributed in the hope that it will be         */
  31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
  32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
  33 /* General Public License for more details. You should have received a    */
  34 /* copy of the GNU General Public License along with FWP; see file        */
  35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
  36 /* Cambridge, MA 02139, USA.                                              */
  37 /*                                                                        */
  38 /* As a special exception, including FWP header files in a file,          */
  39 /* instantiating FWP generics or templates, or linking other files        */
  40 /* with FWP objects to produce an executable application, does not        */
  41 /* by itself cause the resulting executable application to be covered     */
  42 /* by the GNU General Public License. This exception does not             */
  43 /* however invalidate any other reasons why the executable file might be  */
  44 /* covered by the GNU Public License.                                     */
  45 /**************************************************************************/
  46 #include <frm_generic.h>
  47 #include <forb.h>
  48 #include <error.h>
  49 #include <errno.h>
  50 #include <getopt.h>
  51 #include <fres_sa_scenario.h>
  52 #include <stdbool.h>
  53 #include <ul_logreg.h>
  54 #include <fwp_res.h>
  55 #include <stdio.h>
  56 #include <string.h>
  57 #include "wifi_agent_idl.h"
  58 #include "fwp_admctrl.h"
  59 #include "wifi_agent.h"
  60 #include <pthread.h>
  61
  62 #if 0
  63 static
  64 int dummy_admission_test(struct fres_sa_scenario *scenario, void *priv,
  65                                 bool *schedulable)
  66 {
  67         struct fres_sa_contract *c;
  68
  69         printf("Dummy admission test:\n");
  70
  71         fres_sa_scenario_for_each_no_cancel_contract(scenario, c) {
  72                 fres_block_basic *basic;
  73                 char id[40];
  74                 fres_contract_id_to_string(id, &c->contract->id, sizeof(id));
  75                 basic = fres_contract_get_basic(c->contract);
  76
  77                 printf("  processing: id=%s, period=%ld ms, budget=%ld ms\n",
  78                        id,
  79                        fosa_rel_time_to_msec(basic->period),
  80                        fosa_rel_time_to_msec(basic->budget));
  81
  82         }
  83         *schedulable = scenario->num_contracts <= 3;
  84         printf("=> %s\n", schedulable?"schedulable":"not schedulable");
  85
  86         return 0;
  87 }
  88 #endif
  89
  90
  91 static struct frm_fwp_priv frm_fwp_state = {
  92         .rate_mbps = 1,
  93         .erp_ofdm = false,
  94         .short_preamble = false,
  95 //      .list_head = NULL,//head of linked list initialized in main function
  96 };
  97
  98 static const struct fres_res_manager frm = {
  99         .res_type = FRSH_RT_NETWORK,
 100         .res_id = FRSH_NETPF_FWP,
 101         //.admission_test = dummy_admission_test,
 102         .name = "WLAN",
 103         .admission_test = fwp_admctrl_utilization,
 104         .priv = &frm_fwp_state,
 105 };
 106
 107 static struct option long_opts[] = {
 108     { "loglevel",         required_argument, 0, 'l' },
 109     { "bitrate",          required_argument, 0, 'b' },
 110     { "ofdm",             no_argument,       0, 'o' },
 111     { "short-preamble",  no_argument,        0, 's' },
 112     { 0, 0, 0, 0}
 113 };
 114
 115 static void
 116 usage(void)
 117 {
 118         printf("usage: fwpmngr [ options ]\n");
 119         printf("  -l, --loglevel <number>|<domain>=<number>,...\n");
 120         printf("  -b, --bitrate <mbits/s>\n");
 121         printf("  -o, --ofdm\n");
 122         printf("  -s, --short-preamble\n");
 123         printf("  -h, --help\n");
 124 }
 125
 126 void *executor_thread(void *arg)
 127 {
 128         forb_executor_t *executor = arg;
 129         forb_executor_run(executor);
 130         return NULL;
 131 }
 132
 133 int main(int argc, char *argv[])
 134 {
 135         forb_orb orb;
 136         forb_orb fcb_orb;
 137         forb_orb worb;
 138         int ret;
 139         forb_init_attr_t attr = { .orb_id = "org.frescor.frm.fwp",
 140                                   .fixed_tcp_port = WAI_TCP_PORT,
 141         };
 142         int  opt;
 143         bool opt_daemon = false;
 144         char *opt_pidfile = NULL;
 145
 146         forb_executor_t executor_wai;
 147         forb_executor_t executor_frm;
 148
 149         fres_resource_manager frm_ret;
 150         struct frm_data frm_data;
 151
 152         wifi_agent_idl wai;     //wifi agent interface
 153
 154         if (getenv("FWP_BYPASS"))
 155                 frm_fwp_state.bypass = true;
 156
 157
 158         while ((opt = getopt_long(argc, argv, "b:d:hl:os", &long_opts[0], NULL)) != EOF) {
 159                 switch (opt) {
 160                         case 'd':
 161                                 opt_daemon = true;
 162                                 opt_pidfile = optarg;
 163                                 break;
 164                         case 'l':
 165                                 ul_log_domain_arg2levels(optarg);
 166                                 break;
 167                         case 'b':
 168                                 frm_fwp_state.rate_mbps = atol(optarg);
 169                                 break;
 170                         case 's':
 171                                 frm_fwp_state.short_preamble = true;
 172                                 break;
 173                         case 'o':
 174                                 frm_fwp_state.erp_ofdm = true;
 175                                 break;
 176                         case 'h':
 177                         /*default:*/
 178                                 usage();
 179                                 exit(opt == 'h' ? 0 : 1);
 180                 }
 181         }
 182
 183         fosa_thread_id_t tid;
 184
 185         if (opt_daemon)
 186                 forb_daemon_prepare(opt_pidfile);
 187
 188         fcb_orb = forb_init(NULL, NULL, NULL);
 189         if (!fcb_orb) error(1, errno, "forb_init");
 190         fcb = forb_resolve_reference(fcb_orb, "fcb");
 191
 192         orb = forb_init(&argc, &argv, &attr);
 193         if (!orb) error(1, errno, "forb_init");
 194
 195         worb = forb_init(NULL, NULL, NULL);
 196         if (!worb) error(1, errno, "forb_init");
 197
 198         // Cration of an object implementing myinterface
 199         wai = forb_wifi_agent_idl_new(orb, &wifi_agent_impl, &frm_fwp_state);
 200
 201         // We can register our object under a name, so that other processes can use it.
 202         forb_register_reference(wai, "net.sourceforge.frsh-forb.wai");
 203
 204         // Initialize head of linked list
 205         sta_list_init_head(&frm_fwp_state.sta_list);
 206
 207         pthread_mutex_init(&frm_fwp_state.mutex, NULL);
 208
 209         //create executors and register 2 interfaces
 210         ret = forb_executor_init(&executor_wai);
 211         if (ret) goto error;
 212
 213         ret = forb_executor_init(&executor_frm);
 214         if (ret) goto error;
 215
 216                 //1. interface - forb_execute_object(wai); execute
 217                 ret = forb_executor_register_object(&executor_wai, wai);
 218                 if (ret) goto destroy_and_error;
 219
 220                 //2. interface - frm_register_and_run(orb, &frm); execute
 221                 fres_block_register_fwp();
 222
 223                 frm_ret = frm_register(orb, &frm_data, &executor_frm, &frm);
 224                 if (!frm_ret) {
 225                         ret = -1;
 226                         goto destroy_and_error;
 227                 }
 228
 229                 forb_daemon_ready();
 230
 231         printf("Ready to create threads\n");
 232         fosa_thread_create(&tid, NULL, executor_thread, &executor_wai);
 233         fosa_thread_create(&tid, NULL, executor_thread, &executor_frm);
 234
 235         while(1) {
 236                 sleep(10);
 237         }
 238
 239
 240 destroy_and_error:
 241         forb_executor_destroy(&executor_wai);
 242         forb_executor_destroy(&executor_frm);
 243 error:
 244         error(1, errno, "frm_generic_run");
 245
 246         return 0;
 247 }
 248