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Introduce a new function called have_tap_listener(int tap_id) to 

tell if a specific tap id is currently listening for data.
This complements the function have_tap_listeners(), which checks
to see if any tap is currently listening.


svn path=/trunk/; revision=20979
This commit is contained in:
Stephen Fisher 2007-03-06 00:35:35 +00:00
parent 61c8b55913
commit 8d8452b419
2 changed files with 17 additions and 0 deletions
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16
epan/tap.c
View File

@ -460,3 +460,19 @@ have_tap_listeners(void)
{
return tap_listener_queue != NULL;
}
/* Returns TRUE there is an active tap listener for the specified tap id. */
gboolean
have_tap_listener(int tap_id)
{
volatile tap_listener_t *tap_queue = tap_listener_queue;
while(tap_queue) {
if(tap_queue->tap_id == tap_id)
return TRUE;
tap_queue = tap_queue->next;
}
return FALSE;
}

1
epan/tap.h
View File

@ -50,6 +50,7 @@ extern GString *register_tap_listener(const char *tapname, void *tapdata,
tap_draw_cb tap_draw);
extern void remove_tap_listener(void *tapdata);
extern gboolean have_tap_listeners(void);
extern gboolean have_tap_listener(int tap_id);
extern const void *fetch_tapped_data(int tap_id, int idx);
#endif