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ble_mesh: Skip publish if update fails [Zephyr]

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Allow models to skip a periodic publish interval by returning an error
from the publish update callback.

Previously, an error return from publish update would cancel periodic
publishing. This can't be recovered from, and as such, no valid model
implementation could return an error from this callback, and there was
no way to skip a periodic publish.
This commit is contained in:
lly 2020-03-25 00:04:32 +08:00 committed by bot
parent aad8908d9c
commit 6c868a070b
2 changed files with 16 additions and 5 deletions
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18
components/bt/esp_ble_mesh/mesh_core/access.c
View File

@ -427,6 +427,14 @@ static int publish_retransmit(struct bt_mesh_model *mod)
return err;
}
static void publish_retransmit_end(int err, struct bt_mesh_model_pub *pub)
{
/* Cancel all retransmits for this publish attempt */
pub->count = 0U;
/* Make sure the publish timer gets reset */
publish_sent(err, pub->mod);
}
static void mod_publish(struct k_work *work)
{
struct bt_mesh_model_pub *pub = CONTAINER_OF(work,
@ -468,7 +476,10 @@ static void mod_publish(struct k_work *work)
*/
err = pub->update(pub->mod);
if (err) {
BT_ERR("%s, Failed to update publication message", __func__);
/* Cancel this publish attempt. */
BT_ERR("Update failed, skipping publish (err %d)", err);
pub->period_start = k_uptime_get_32();
publish_retransmit_end(err, pub);
return;
}
@ -1079,10 +1090,7 @@ int bt_mesh_model_publish(struct bt_mesh_model *model)
err = model_send(model, &tx, true, sdu, &pub_sent_cb, model);
if (err) {
/* Don't try retransmissions for this publish attempt */
pub->count = 0U;
/* Make sure the publish timer gets reset */
publish_sent(err, model);
publish_retransmit_end(err, pub);
}
bt_mesh_free_buf(sdu);

3
components/bt/esp_ble_mesh/mesh_core/include/mesh_access.h
View File

@ -367,6 +367,9 @@ struct bt_mesh_model_pub {
* @ref bt_mesh_model_pub.msg with a valid publication
* message.
*
* If the callback returns non-zero, the publication is skipped
* and will resume on the next periodic publishing interval.
*
* @param mod The Model the Publication Context belogs to.
*
* @return Zero on success or (negative) error code otherwise.