clean up run_loop sublcassing as suggested in #356

This commit is contained in:
matthias.ringwald@gmail.com 2014-01-07 19:31:00 +00:00
parent 0d0bcdceb3
commit 372248418e
6 changed files with 61 additions and 45 deletions

View File

@ -113,7 +113,7 @@ uint32_t embedded_get_ticks(void);
// just before entering sleep mode. Has to be called by the interupt
// handler of a data source to signal the run loop that a new data
// is available.
void embedded_trigger(void);
void embedded_trigger(void);
#endif
#if defined __cplusplus
}

View File

@ -98,6 +98,11 @@ int run_loop_remove_data_source(data_source_t *ds){
return the_run_loop->remove_data_source(ds);
}
void run_loop_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
run_loop_assert();
the_run_loop->set_timer(a, timeout_in_ms);
}
/**
* Add timer to run_loop (keep list sorted)
*/

View File

@ -138,6 +138,17 @@ int cocoa_remove_timer(timer_source_t * ts){
return 0;
}
// set timer
static void cocoa_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
gettimeofday(&a->timeout, NULL);
a->timeout.tv_sec += timeout_in_ms / 1000;
a->timeout.tv_usec += (timeout_in_ms % 1000) * 1000;
if (a->timeout.tv_usec > 1000000) {
a->timeout.tv_usec -= 1000000;
a->timeout.tv_sec++;
}
}
void cocoa_init(void){
}
@ -155,9 +166,10 @@ run_loop_t run_loop_cocoa = {
&cocoa_init,
&cocoa_add_data_source,
&cocoa_remove_data_source,
&cocoa_set_timer,
&cocoa_add_timer,
&cocoa_remove_timer,
&cocoa_execute,
&cocoa_dump_timer
&cocoa_dump_timer,
};

View File

@ -73,31 +73,31 @@ static uint32_t system_ticks;
static int trigger_event_received = 0;
/**
* trigger run loop iteration
*/
void embedded_trigger(void){
trigger_event_received = 1;
}
/**
* Add data_source to run_loop
*/
void embedded_add_data_source(data_source_t *ds){
static void embedded_add_data_source(data_source_t *ds){
linked_list_add(&data_sources, (linked_item_t *) ds);
}
/**
* Remove data_source from run loop
*/
int embedded_remove_data_source(data_source_t *ds){
static int embedded_remove_data_source(data_source_t *ds){
return linked_list_remove(&data_sources, (linked_item_t *) ds);
}
// set timer
static void embedded_set_timer(timer_source_t *ts, uint32_t timeout_in_ms){
uint32_t ticks = embedded_ticks_for_ms(timeout_in_ms);
if (ticks == 0) ticks++;
ts->timeout = system_ticks + ticks;
}
/**
* Add timer to run_loop (keep list sorted)
*/
void embedded_add_timer(timer_source_t *ts){
static void embedded_add_timer(timer_source_t *ts){
#ifdef HAVE_TICK
linked_item_t *it;
for (it = (linked_item_t *) &timers; it->next ; it = it->next){
@ -115,7 +115,7 @@ void embedded_add_timer(timer_source_t *ts){
/**
* Remove timer from run loop
*/
int embedded_remove_timer(timer_source_t *ts){
static int embedded_remove_timer(timer_source_t *ts){
#ifdef HAVE_TICK
// log_info("Removed timer %x at %u\n", (int) ts, (unsigned int) ts->timeout.tv_sec);
return linked_list_remove(&timers, (linked_item_t *) ts);
@ -124,7 +124,7 @@ int embedded_remove_timer(timer_source_t *ts){
#endif
}
void embedded_dump_timer(void){
static void embedded_dump_timer(void){
#ifdef HAVE_TICK
#ifdef ENABLE_LOG_INFO
linked_item_t *it;
@ -140,7 +140,7 @@ void embedded_dump_timer(void){
/**
* Execute run_loop once
*/
void embedded_execute_once(void) {
static void embedded_execute_once(void) {
data_source_t *ds;
// process data sources
@ -173,7 +173,7 @@ void embedded_execute_once(void) {
/**
* Execute run_loop
*/
void embedded_execute(void) {
static void embedded_execute(void) {
while (1) {
embedded_execute_once();
}
@ -192,16 +192,16 @@ uint32_t embedded_get_ticks(void){
uint32_t embedded_ticks_for_ms(uint32_t time_in_ms){
return time_in_ms / hal_tick_get_tick_period_in_ms();
}
// set timer
void run_loop_set_timer(timer_source_t *ts, uint32_t timeout_in_ms){
uint32_t ticks = embedded_ticks_for_ms(timeout_in_ms);
if (ticks == 0) ticks++;
ts->timeout = system_ticks + ticks;
}
#endif
void embedded_init(void){
/**
* trigger run loop iteration
*/
void embedded_trigger(void){
trigger_event_received = 1;
}
static void embedded_init(void){
data_sources = NULL;
@ -217,8 +217,9 @@ const run_loop_t run_loop_embedded = {
&embedded_init,
&embedded_add_data_source,
&embedded_remove_data_source,
&embedded_set_timer,
&embedded_add_timer,
&embedded_remove_timer,
&embedded_execute,
&embedded_dump_timer
&embedded_dump_timer,
};

View File

@ -50,7 +50,9 @@
#include <stdlib.h>
#include <stdio.h>
void posix_dump_timer(void);
static void posix_dump_timer(void);
static int posix_timeval_compare(struct timeval *a, struct timeval *b);
static int posix_timer_compare(timer_source_t *a, timer_source_t *b);
// the run loop
static linked_list_t data_sources;
@ -60,7 +62,7 @@ static linked_list_t timers;
/**
* Add data_source to run_loop
*/
void posix_add_data_source(data_source_t *ds){
static void posix_add_data_source(data_source_t *ds){
data_sources_modified = 1;
// log_info("posix_add_data_source %x with fd %u\n", (int) ds, ds->fd);
linked_list_add(&data_sources, (linked_item_t *) ds);
@ -69,7 +71,7 @@ void posix_add_data_source(data_source_t *ds){
/**
* Remove data_source from run loop
*/
int posix_remove_data_source(data_source_t *ds){
static int posix_remove_data_source(data_source_t *ds){
data_sources_modified = 1;
// log_info("posix_remove_data_source %x\n", (int) ds);
return linked_list_remove(&data_sources, (linked_item_t *) ds);
@ -78,14 +80,14 @@ int posix_remove_data_source(data_source_t *ds){
/**
* Add timer to run_loop (keep list sorted)
*/
void posix_add_timer(timer_source_t *ts){
static void posix_add_timer(timer_source_t *ts){
linked_item_t *it;
for (it = (linked_item_t *) &timers; it->next ; it = it->next){
if ((timer_source_t *) it->next == ts){
log_error( "run_loop_timer_add error: timer to add already in list!\n");
return;
}
if (run_loop_timer_compare( (timer_source_t *) it->next, ts) > 0) {
if (posix_timer_compare( (timer_source_t *) it->next, ts) > 0) {
break;
}
}
@ -98,13 +100,13 @@ void posix_add_timer(timer_source_t *ts){
/**
* Remove timer from run loop
*/
int posix_remove_timer(timer_source_t *ts){
static int posix_remove_timer(timer_source_t *ts){
// log_info("Removed timer %x at %u\n", (int) ts, (unsigned int) ts->timeout.tv_sec);
// posix_dump_timer();
return linked_list_remove(&timers, (linked_item_t *) ts);
}
void posix_dump_timer(void){
static void posix_dump_timer(void){
linked_item_t *it;
int i = 0;
for (it = (linked_item_t *) timers; it ; it = it->next){
@ -116,7 +118,7 @@ void posix_dump_timer(void){
/**
* Execute run_loop
*/
void posix_execute(void) {
static void posix_execute(void) {
fd_set descriptors;
data_source_t *ds;
timer_source_t *ts;
@ -190,7 +192,7 @@ void posix_execute(void) {
}
// set timer
void run_loop_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
static void posix_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
gettimeofday(&a->timeout, NULL);
a->timeout.tv_sec += timeout_in_ms / 1000;
a->timeout.tv_usec += (timeout_in_ms % 1000) * 1000;
@ -202,7 +204,7 @@ void run_loop_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
// compare timers - NULL is assumed to be before the Big Bang
// pre: 0 <= tv_usec < 1000000
int run_loop_timeval_compare(struct timeval *a, struct timeval *b){
static int posix_timeval_compare(struct timeval *a, struct timeval *b){
if (!a && !b) return 0;
if (!a) return -1;
if (!b) return 1;
@ -227,14 +229,14 @@ int run_loop_timeval_compare(struct timeval *a, struct timeval *b){
// compare timers - NULL is assumed to be before the Big Bang
// pre: 0 <= tv_usec < 1000000
int run_loop_timer_compare(timer_source_t *a, timer_source_t *b){
static int posix_timer_compare(timer_source_t *a, timer_source_t *b){
if (!a && !b) return 0;
if (!a) return -1;
if (!b) return 1;
return run_loop_timeval_compare(&a->timeout, &b->timeout);
return posix_timeval_compare(&a->timeout, &b->timeout);
}
void posix_init(void){
static void posix_init(void){
data_sources = NULL;
timers = NULL;
}
@ -243,8 +245,9 @@ run_loop_t run_loop_posix = {
&posix_init,
&posix_add_data_source,
&posix_remove_data_source,
&posix_set_timer,
&posix_add_timer,
&posix_remove_timer,
&posix_execute,
&posix_dump_timer
&posix_dump_timer,
};

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@ -52,12 +52,6 @@
extern "C" {
#endif
#ifdef HAVE_TIME
// compare timeval or timers - NULL is assumed to be before the Big Bang
int run_loop_timeval_compare(struct timeval *a, struct timeval *b);
int run_loop_timer_compare(timer_source_t *a, timer_source_t *b);
#endif
//
void run_loop_timer_dump(void);
@ -66,6 +60,7 @@ typedef struct {
void (*init)(void);
void (*add_data_source)(data_source_t *dataSource);
int (*remove_data_source)(data_source_t *dataSource);
void (*set_timer)(timer_source_t * timer, uint32_t timeout_in_ms);
void (*add_timer)(timer_source_t *timer);
int (*remove_timer)(timer_source_t *timer);
void (*execute)(void);