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Added the option to specify the old value to observers so that they can determine if the announcement should be sent out quicklier than otherwise

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This commit is contained in:
adamdunkels 2010-02-23 18:32:44 +00:00
parent b746b7fc06
commit a4d9d6651b
3 changed files with 16 additions and 12 deletions
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13
core/net/rime/announcement.c
View File

@ -33,7 +33,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: announcement.c,v 1.2 2009/11/08 19:40:17 adamdunkels Exp $
* $Id: announcement.c,v 1.3 2010/02/23 18:32:44 adamdunkels Exp $
*/
/**
@ -50,7 +50,7 @@
LIST(announcements);
static void (* listen_callback)(int time);
static void (* observer_callback)(uint16_t id, uint16_t val);
static void (* observer_callback)(uint16_t id, uint16_t newval, uint16_t oldval);
/*---------------------------------------------------------------------------*/
void
@ -68,7 +68,7 @@ announcement_register(struct announcement *a, uint16_t id, uint16_t value,
a->callback = callback;
list_add(announcements, a);
if(observer_callback) {
observer_callback(a->id, a->value);
observer_callback(a->id, a->value, 0);
}
}
/*---------------------------------------------------------------------------*/
@ -81,9 +81,10 @@ announcement_remove(struct announcement *a)
void
announcement_set_value(struct announcement *a, uint16_t value)
{
uint16_t oldvalue = a->value;
a->value = value;
if(observer_callback) {
observer_callback(a->id, a->value);
observer_callback(a->id, value, oldvalue);
}
}
/*---------------------------------------------------------------------------*/
@ -92,7 +93,7 @@ announcement_set_id(struct announcement *a, uint16_t id)
{
a->id = id;
if(observer_callback) {
observer_callback(a->id, a->value);
observer_callback(a->id, a->value, a->value);
}
}
/*---------------------------------------------------------------------------*/
@ -111,7 +112,7 @@ announcement_register_listen_callback(void (*callback)(int time))
}
/*---------------------------------------------------------------------------*/
void
announcement_register_observer_callback(void (*callback)(uint16_t id, uint16_t value))
announcement_register_observer_callback(void (*callback)(uint16_t, uint16_t, uint16_t))
{
observer_callback = callback;
}

5
core/net/rime/announcement.h
View File

@ -54,7 +54,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: announcement.h,v 1.5 2009/11/08 19:40:17 adamdunkels Exp $
* $Id: announcement.h,v 1.6 2010/02/23 18:32:44 adamdunkels Exp $
*/
/**
@ -240,7 +240,8 @@ void announcement_register_listen_callback(void (*callback)(int time));
*
*/
void announcement_register_observer_callback(void (*observer)(uint16_t id,
uint16_t value));
uint16_t newvalue,
uint16_t oldvalue));
/**
* @}

6
core/net/rime/polite-announcement.c
View File

@ -33,7 +33,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: polite-announcement.c,v 1.10 2010/01/26 10:18:55 adamdunkels Exp $
* $Id: polite-announcement.c,v 1.11 2010/02/23 18:32:44 adamdunkels Exp $
*/
/**
@ -158,11 +158,13 @@ send_timer(void *ptr)
}
/*---------------------------------------------------------------------------*/
static void
new_announcement(uint16_t id, uint16_t val)
new_announcement(uint16_t id, uint16_t newval, uint16_t oldval)
{
if(newval != oldval) {
c.interval = c.min_interval;
send_timer(&c);
}
}
/*---------------------------------------------------------------------------*/
static const struct ipolite_callbacks ipolite_callbacks =
{adv_packet_received, NULL, NULL};