fwp/lib/mngt/fwp_mngt.c

   1 #include "fwp_mngt.h"
   2
   3 /*
   4  * Global mngt variables
   5  */
   6
   7 fwp_participant_t       *fwp_participant_this;
   8 fwp_participant_t       *fwp_participant_mngr;
   9
  10 /*fwp_endpoint_d_t      fwp_mngt_repointd;*/
  11
  12 /**
  13  * struct resource {
  14  *      char name[10];
  15  *      int id;
  16  *      participant_my;
  17  *      participant_mngr;
  18  *      contract_ops;
  19  *      fna_ops;
  20  * }
  21  */
  22
  23 int fwp_mngt_send(fwp_msg_type_t type,fwp_msgb_t *msgb,
  24                   fwp_participant_t *source, fwp_participant_t *dest)
  25 {
  26         fwp_msgb_push(msgb, sizeof(struct fwp_msg_header));
  27         fwp_msg_header_in(msgb->data, type, source->id);
  28
  29         fwp_send(dest->epointd, msgb->data, msgb->len);
  30
  31         return 0;
  32 }
  33
  34 int fwp_mngt_recv(fwp_msg_type_t *type, fwp_participant_id_t *participant_id,
  35                         fwp_msgb_t *msgb)
  36 {
  37         int size;
  38
  39         fwp_msgb_reset_data(msgb);
  40         size = fwp_recv(fwp_participant_this->epointd, msgb->data,
  41                         msgb->buffer_size);
  42         fwp_msgb_put(msgb, size);
  43
  44         fwp_msg_header_out(msgb->data, type, participant_id);
  45         fwp_msgb_pull(msgb, sizeof(struct fwp_msg_header));
  46
  47         FWP_DEBUG("Received msg: type=%d  from nodeid=%d appid=%d\n", *type,
  48                         participant_id->node_id, participant_id->app_id);
  49
  50         return 0;
  51 }
  52
  53 int fwp_mngt_service_vres_create(fwp_vres_d_t* fwp_service_vresd)
  54 {
  55         struct fwp_vres_params  fwp_service_vparams;
  56
  57         /* TODO: Add to contract table */
  58         /* create service vres */
  59         fwp_service_vparams.ac_id = FWP_AC_BK;
  60         fwp_service_vparams.budget = 100;
  61         fwp_service_vparams.period_usec = 1000;
  62
  63         if ((fwp_vres_create(&fwp_service_vparams, fwp_service_vresd) < 0)) {
  64                 fprintf(stderr,"Unable to open service vres\n");
  65                 return -1;
  66         }
  67
  68         FWP_DEBUG("Service vres negotiated\n");
  69
  70         return 0;
  71 }
  72
  73 /* Launch discovery/connect process to
  74  * introduce itself to fwp manager and get description of manager*/
  75 int fwp_mngt_connect()
  76 {
  77         fwp_participant_info_t  my_info, mngr_info;
  78         fwp_participant_id_t    participant_id;
  79         fwp_msgb_t              *msgb;
  80         fwp_msg_type_t          msg_type;
  81
  82
  83         /* prepare hello message */
  84         msgb = fwp_msgb_alloc(sizeof(struct fwp_msg_header) +
  85                               sizeof(struct fwp_msg_hello));
  86         fwp_msgb_reserve(msgb, sizeof(struct fwp_msg_header));
  87
  88         my_info.id = fwp_participant_this->id;
  89         my_info.stream_id = fwp_participant_this->stream_id;
  90
  91         fwp_msg_hello_in(msgb->tail, &my_info);
  92         fwp_msgb_put(msgb, sizeof(struct fwp_msg_hello));
  93
  94         /* Send hello to manager */
  95         fwp_mngt_send(FWP_MSG_HELLO, msgb,
  96                         fwp_participant_this, fwp_participant_mngr);
  97
  98         /* receive hello from manager */
  99         fwp_mngt_recv(&msg_type, &participant_id, msgb);
 100         FWP_DEBUG("Received HELLO msg from nodeid= %d appid= %d\n",
 101                         participant_id.node_id, participant_id.app_id);
 102
 103         /* Process hello msg from manager */
 104         fwp_msg_hello_out(msgb->data, &mngr_info);
 105         fwp_participant_mngr->id  = mngr_info.id;
 106         fwp_participant_mngr->stream_id  = mngr_info.stream_id;
 107         FWP_DEBUG("Received HELLO msg contains nodeid= %d appid= %d\n",
 108                         mngr_info.id.node_id, mngr_info.id.app_id);
 109
 110         /* unbind and delete discovery mngr send endoint */
 111         fwp_send_endpoint_unbind(fwp_participant_mngr->epointd);
 112         /*fwp_endpoint_free(fwp_participant_mngr->epointd)*/
 113
 114         /* Create mngt send endpoint to manager */
 115         fwp_send_endpoint_create(fwp_participant_mngr->id.node_id,
 116                                  fwp_participant_mngr->stream_id, 0,
 117                                  &fwp_participant_mngr->epointd);
 118         FWP_DEBUG("Management send endpoint created\n");
 119         fwp_send_endpoint_bind(fwp_participant_mngr->epointd,
 120                                 fwp_participant_mngr->vresd);
 121         return 0;
 122 }
 123
 124 int fwp_mngt_init()
 125 {
 126         fwp_participant_info_t  my_info, mngr_info;
 127         unsigned int node_id;
 128         int flags;
 129
 130         /* Create fwp_participant_this */
 131         my_info.id.node_id = inet_addr("127.0.0.1");
 132         my_info.id.app_id = getpid();
 133         my_info.stream_id = 0;
 134
 135         fwp_participant_this = fwp_participant_create(&my_info);
 136         fwp_receive_endpoint_create(0, 0, &fwp_participant_this->epointd);
 137         /* FIXME
 138         fwp_endpoint_get_params(&(fwp_participant_this->id.node_id),
 139                                 &fwp_participant_this->stream_id,
 140                                 &flags,
 141                                 fwp_participant_this->epointd);
 142         */
 143         fwp_endpoint_get_params(&node_id,
 144                                 &fwp_participant_this->stream_id,
 145                                 &flags,
 146                                 fwp_participant_this->epointd);
 147         FWP_DEBUG("Participant_this created node_id id= %d stream id= %d\n",
 148                         fwp_participant_this->id.node_id,
 149                         fwp_participant_this->stream_id);
 150
 151         /* Create fwp_participant_mngr */
 152         mngr_info.id.node_id = inet_addr("127.0.0.1");
 153         /*mngr_info.id.node_id = inet_addr("255.255.255.255");*/
 154         mngr_info.id.app_id = getpid();
 155         mngr_info.stream_id = FWP_MNGR_STREAM_ID;
 156
 157         fwp_participant_mngr = fwp_participant_create(&mngr_info);
 158
 159         /* Create discovery endpoint */
 160         FWP_DEBUG("Service vres created\n");
 161         fwp_mngt_service_vres_create(&fwp_participant_mngr->vresd);
 162
 163         FWP_DEBUG("Discovery send endpoint created\n");
 164         fwp_send_endpoint_create(fwp_participant_mngr->id.node_id,
 165                                  fwp_participant_mngr->stream_id,
 166                                  0, &fwp_participant_mngr->epointd);
 167         fwp_send_endpoint_bind(fwp_participant_mngr->epointd,
 168                                 fwp_participant_mngr->vresd);
 169
 170         return 0;
 171 }