tests/tests_frescan/test_frescan_bwres_renegotiate_in_slave.c

   1 #include <stdio.h>  // perror
   2 #include <stdlib.h> // exit
   3 #include <unistd.h>   // sleep
   4
   5 #include "frescan.h"
   6 #include "frescan_bwres.h"
   7 #include "frescan_servers.h"
   8
   9 #define ERROR(s) {perror (s); exit (-1);}
  10
  11 #define NETWORK 0
  12 #define LOCAL_NODE 1
  13
  14 int main ()
  15 {
  16         int ret;
  17         frescan_init_params_t init_params;
  18         frescan_ss_t ss;
  19         frescan_contract_t contract;
  20         frescan_server_params_t server_params;
  21         bool accepted;
  22
  23         init_params.net = NETWORK;
  24         init_params.node = LOCAL_NODE;
  25         init_params.tx_fp_max_prio = 10;
  26         init_params.rx_num_of_channels = 10;
  27         init_params.rx_channel_max_prio = NULL;
  28
  29         printf("Initializing FRESCAN\n");
  30         ret = frescan_init(&init_params);
  31         if (ret != 0) ERROR ("could not init FRESCAN");
  32
  33         printf("Initializing BWRES\n");
  34         ret = frescan_bwres_init(NETWORK);
  35         if (ret != 0) ERROR ("could not init BWRES");
  36
  37         contract.min_values.budget = 5;
  38         contract.min_values.period.tv_sec = 3;
  39         contract.min_values.period.tv_nsec = 0;
  40         contract.prio = 5;
  41
  42         printf("Negotiating a contract\n");
  43         ret = frescan_bwres_negotiate(NETWORK, &contract, &ss, &accepted);
  44         if (ret != 0) ERROR ("could not negotiate succesfully");
  45
  46         if (accepted) {
  47                 printf("The contract was accepted, ss:%u\n", ss);
  48                 ret = frescan_servers_get_data(NETWORK, &server_params, ss);
  49                 if (ret != 0) ERROR ("could not get servers data");
  50
  51                 printf("B:%u, T=(%u,%u), P:%u\n",
  52                        server_params.values.budget,
  53                        server_params.values.period.tv_sec,
  54                        server_params.values.period.tv_nsec,
  55                        server_params.prio);
  56         } else {
  57                 printf("The contract was not accepted\n");
  58         }
  59
  60         printf("Renegotiate the contract in 2 seconds\n");
  61         sleep(2);
  62
  63         contract.min_values.budget = 2;
  64         contract.min_values.period.tv_sec  = 6;
  65         contract.min_values.period.tv_nsec = 43;
  66         contract.prio = 2;
  67
  68         ret = frescan_bwres_renegotiate(NETWORK, &contract, ss, &accepted);
  69         if (ret != 0) ERROR ("could not renegotiate");
  70
  71         if (accepted) {
  72                 printf("The contract renegotiation was accepted, ss:%u\n", ss);
  73                 ret = frescan_servers_get_data(NETWORK, &server_params, ss);
  74                 if (ret != 0) ERROR ("could not get servers data");
  75
  76                 printf("B:%u, T=(%u,%u), P:%u\n",
  77                        server_params.values.budget,
  78                        server_params.values.period.tv_sec,
  79                        server_params.values.period.tv_nsec,
  80                        server_params.prio);
  81         } else {
  82                 printf("The contract was not accepted\n");
  83         }
  84
  85         while (1) {
  86                 sleep(1);
  87         }
  88
  89         return 0;
  90 }
  91
  92