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