dieb / eupnp

UPnP library for the Enlightenment project.

eupnp / src / bin / eupnp_basic_control_point.c
100644 105 lines (87 sloc) 2.204 kb
raw blame history 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105

#include <errno.h>
#include <signal.h>
#include <sys/types.h>
 
#include <Eina.h>
#include <eupnp.h>
#include <eupnp_error.h>
#include <eupnp_ssdp.h>
#include <eupnp_control_point.h>
#include <eupnp_event_bus.h>
 
int sock;
int exit_req = 0;
 
void terminate(int p)
{
   exit_req = 1;
}
 
Eina_Bool on_device_found(Eupnp_Event *e)
{
   INFO("Received event type %d\n", e->type);
   return EINA_TRUE;
}
 
Eina_Bool on_device_gone_singleshot(Eupnp_Event *e)
{
   INFO("Received event type %d\n", e->type);
   INFO("Returning FALSE to remove the subscription..\n");
   return EINA_FALSE;
}
 
/*
 * Sends a test search and listens for datagrams. Tests MSearch and SSDP
 * server.
 *
 * Run with "EINA_ERROR_LEVEL=3 ./eupnp_basic_control_point" for watching debug
 * messages.
 */
int main(void)
{
   signal(SIGTERM, terminate);
   signal(SIGINT, terminate);
   eupnp_init();
 
   int ret;
   fd_set r, w, ex;
   Eupnp_Control_Point *c;
 
   c = eupnp_control_point_new();
 
   if (!c)
     {
	eupnp_shutdown();
	return -1;
     }
 
   eupnp_event_bus_subscribe(EUPNP_EVENT_DEVICE_FOUND,
			     EUPNP_CALLBACK(on_device_found));
   eupnp_event_bus_subscribe(EUPNP_EVENT_DEVICE_GONE,
			     EUPNP_CALLBACK(on_device_gone_singleshot));
 
   /* Send a test search */
   if (!eupnp_control_point_discovery_request_send(c, 5, "ssdp:all"))
     {
	EINA_ERROR_PWARN("Failed to perform MSearch.\n");
     }
    else
	EINA_ERROR_PDBG("MSearch sent sucessfully.\n");
 
   sock = eupnp_control_point_ssdp_socket_get(c);
 
   while (!exit_req)
     {
	FD_ZERO(&r);
	FD_ZERO(&w);
	FD_ZERO(&ex);
	FD_SET(sock, &r);
	ret = select(sock+1, &r, NULL, NULL, NULL);
 
	if (ret < 0)
	  {
	     perror("Select error");
	     break;
	  }
 
	if (exit_req)
	   break;
 
	if (FD_ISSET(sock, &r))
	  { 
	       /* This is the event handler that will be added to the event loop.
	       * For example, when integrating eupnp+ecore, this socket will
	       * internally be added with ecore_fd_handler_add and the handler
	       * passed will be a wrapper of _eupnp_ssdp_on_datagram_available.
	       */
	      _eupnp_ssdp_on_datagram_available(c->ssdp_server);
          }
     }
 
   eupnp_control_point_free(c);
   eupnp_shutdown();
   return 0;
}