Add bay_remove()

This commit is contained in:
Rodrigo Arias 2023-01-11 13:15:53 +01:00 committed by Rodrigo Arias Mallo
parent 97b96801d1
commit 36d0a44b57
3 changed files with 81 additions and 9 deletions

View File

@ -69,6 +69,30 @@ bay_register(struct bay *bay, struct chan *chan)
return 0;
}
int
bay_remove(struct bay *bay, struct chan *chan)
{
struct bay_chan *bchan = find_bay_chan(bay, chan->name);
if (bchan == NULL) {
err("bay_remove: channel %s not registered\n",
chan->name);
return -1;
}
if (bchan->is_dirty) {
err("bay_remove: cannot remote bay channel %s in dirty state\n",
chan->name);
return -1;
}
chan_set_dirty_cb(chan, NULL, NULL);
HASH_DEL(bay->channels, bchan);
free(bchan);
return 0;
}
int
bay_add_cb(struct bay *bay, struct chan *chan, bay_cb_func_t func, void *arg)
{

View File

@ -54,6 +54,7 @@ struct bay {
};
int bay_register(struct bay *bay, struct chan *chan);
int bay_remove(struct bay *bay, struct chan *chan);
struct chan *bay_find(struct bay *bay, const char *name);
int bay_add_cb(struct bay *bay, struct chan *chan, bay_cb_func_t func, void *arg);
void bay_init(struct bay *bay);

View File

@ -1,6 +1,41 @@
#include "emu/bay.h"
#include "common.h"
static void
test_remove(struct bay *bay)
{
struct chan chan;
chan_init(&chan, CHAN_SINGLE, "removeme");
if (bay_register(bay, &chan) != 0)
die("bay_register failed\n");
if (bay_find(bay, chan.name) == NULL)
die("bay_find failed\n");
if (bay_remove(bay, &chan) != 0)
die("bay_remove failed\n");
if (bay_find(bay, chan.name) != NULL)
die("bay_find didn't fail\n");
}
static void
test_duplicate(struct bay *bay)
{
struct chan chan;
chan_init(&chan, CHAN_SINGLE, "dup");
if (bay_register(bay, &chan) != 0)
die("bay_register failed\n");
if (bay_register(bay, &chan) == 0)
die("bay_register didn't fail\n");
if (bay_remove(bay, &chan) != 0)
die("bay_remove failed\n");
}
static int
callback(struct chan *chan, void *ptr)
{
@ -17,35 +52,47 @@ callback(struct chan *chan, void *ptr)
return 0;
}
int main(void)
static void
test_callback(struct bay *bay)
{
struct bay bay;
bay_init(&bay);
struct chan chan;
chan_init(&chan, CHAN_SINGLE, "testchan");
bay_register(&bay, &chan);
if (bay_register(bay, &chan) != 0)
die("bay_register failed\n");
int64_t data = 0;
bay_add_cb(&bay, &chan, callback, &data);
if (bay_add_cb(bay, &chan, callback, &data) != 0)
die("bay_add_cb failed\n");
if (data != 0)
die("data changed after bay_chan_append_cb\n");
struct value one = value_int64(1);
if (chan_set(&chan, one) != 0)
if (chan_set(&chan, value_int64(1)) != 0)
die("chan_set failed\n");
if (data != 0)
die("data changed after chan_set\n");
/* Now the callback should modify 'data' */
if (bay_propagate(&bay) != 0)
if (bay_propagate(bay) != 0)
die("bay_propagate failed\n");
if (data != 1)
die("data didn't change after bay_propagate\n");
if (bay_remove(bay, &chan) != 0)
die("bay_remove failed\n");
}
int main(void)
{
struct bay bay;
bay_init(&bay);
test_remove(&bay);
test_duplicate(&bay);
test_callback(&bay);
return 0;
}