lagopus_result_t
channel_mgr_channel_connection_status_get(const char *channel_name,
datastore_channel_status_t *status) {
lagopus_result_t ret;
struct channel *chan;
ret = channel_mgr_channel_lookup_by_name(channel_name, &chan);
if (ret != LAGOPUS_RESULT_OK) {
return ret;
}
if (channel_is_alive(chan)) {
*status = DATASTORE_CHANNEL_CONNECTED;
} else {
*status = DATASTORE_CHANNEL_DISONNECTED;
}
return LAGOPUS_RESULT_OK;
}
static lagopus_result_t
ofp_role_write(struct channel *channel, void *val) {
struct role_write_vars *v = val;
if (channel_is_alive(channel) == true) {
/* packet filtering. */
if (channel_role_channel_check_mask(channel, v->type, v->reason) == true) {
v->ret = ofp_write_channel(channel, v->pbuf);
} else {
/* Not send packet. */
v->ret = LAGOPUS_RESULT_OK;
}
} else {
lagopus_msg_debug(1, "Channel is not alive, drop asynchronous message(%s)\n",
ofp_type_str(v->type));
/* Not send packet. */
v->ret = LAGOPUS_RESULT_OK;
}
return LAGOPUS_RESULT_OK;
}
static lagopus_result_t
channel_unset_dpid(const char *channel_name) {
uint64_t dpid;
lagopus_result_t ret;
struct channel *chan = NULL;
struct channel_list *chan_list = NULL;
ret = lagopus_hashmap_find(&main_table, (void *)channel_name, (void **)&chan);
if (chan == NULL) {
return LAGOPUS_RESULT_NOT_FOUND;
}
if (channel_is_alive(chan) == true) {
return LAGOPUS_RESULT_BUSY;
}
dpid = channel_dpid_get(chan);
if (dpid == UNUSED_DPID) {
return LAGOPUS_RESULT_OK;
}
ret = lagopus_hashmap_find(&dp_table, (void *)dpid, (void **)&chan_list);
if (ret != LAGOPUS_RESULT_OK) {
return ret;
}
ret = channel_list_delete(chan_list, chan);
if (ret != LAGOPUS_RESULT_OK) {
return ret;
}
ret = channel_dpid_set(chan, UNUSED_DPID);
if (ret != LAGOPUS_RESULT_OK) {
return ret;
}
return ret;
}