package/tapi_sip/src/session.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3
   4 #include "agent.h"
   5 #include "session.h"
   6
   7 #include <tapi-device.h>
   8
   9
  10 struct session
  11 {
  12         struct agent *agents[2];
  13
  14         struct tapi_device *tdev;
  15
  16         void (*release)(struct session *);
  17
  18         int link;
  19 };
  20
  21 struct session *session_alloc(struct tapi_device *dev, struct agent *caller,
  22         struct agent *callee, void (*release)(struct session *))
  23 {
  24         struct session *session;
  25         int ret;
  26
  27         session = malloc(sizeof(*session));
  28
  29         session->tdev = dev;
  30
  31         session->agents[0] = caller;
  32         session->agents[1] = callee;
  33
  34         ret = agent_invite(callee, session);
  35         if (ret < 0) {
  36                 session_hangup(session, callee);
  37                 free(session);
  38                 return NULL;
  39         }
  40
  41         session->release = release;
  42
  43         return session;
  44 }
  45
  46 void session_accept(struct session *session, struct agent *agent)
  47 {
  48         int ep[2];
  49
  50         printf("session_accept: %p %p\n", session, agent);
  51         printf("session agents: %p %p\n", session->agents[0], session->agents[1]);
  52         printf("session tdev: %p\n", session->tdev);
  53
  54         agent_accept(session->agents[0], session);
  55
  56         ep[0] = agent_get_endpoint(session->agents[0], session);
  57         ep[1] = agent_get_endpoint(session->agents[1], session);
  58         session->link = tapi_link_alloc(session->tdev, ep[0], ep[1]);
  59
  60         printf("eps: %d %d\n", ep[0], ep[1]);
  61
  62         tapi_link_enable(session->tdev, session->link);
  63
  64         tapi_sync(session->tdev);
  65 }
  66
  67 void session_hangup(struct session *session, struct agent *agent)
  68 {
  69         struct agent *other_agent;
  70
  71         if (session->agents[0] == agent)
  72                 other_agent = session->agents[1];
  73         else
  74                 other_agent = session->agents[0];
  75
  76         agent_hangup(other_agent, session);
  77
  78         tapi_link_disable(session->tdev, session->link);
  79         tapi_link_free(session->tdev, session->link);
  80         tapi_sync(session->tdev);
  81
  82         if (session->release)
  83                 session->release(session);
  84 }