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/*
* Copyright (C) 2018 "IoT.bzh"
* Author : Thierry Bultel <thierry.bultel@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <malloc.h>
#include "hal-bluealsa-transports.h"
static bool halBlueAlsaTransportMatch(
const struct ba_msg_transport * transport1,
const struct ba_msg_transport * transport2);
int halBlueAlsaTransportsInit(bluealsa_transport_t * list) {
CDS_INIT_LIST_HEAD(&list->list);
return 0;
}
bluealsa_transport_t * halBlueAlsaTransportsAdd(
const bluealsa_watch * watch,
bluealsa_transport_t * list,
const struct ba_msg_transport * transport) {
bluealsa_transport_t * newTransport = (bluealsa_transport_t*) calloc(1, sizeof(bluealsa_transport_t));
if (!newTransport)
goto fail;
memcpy(&newTransport->transport, transport, sizeof(struct ba_msg_transport));
newTransport->watch = watch;
CDS_INIT_LIST_HEAD(&newTransport->list);
cds_list_add(&newTransport->list, &list->list);
return newTransport;
fail:
return NULL;
}
bool halBlueAlsaTransportFind(
const bluealsa_watch * watch,
bluealsa_transport_t * list,
const struct ba_msg_transport * transport) {
bluealsa_transport_t *tmp;
bool found = false;
cds_list_for_each_entry(tmp, &list->list, list) {
struct ba_msg_transport * _transport = &tmp->transport;
if (watch != tmp->watch)
continue;
if (!halBlueAlsaTransportMatch(_transport, transport))
continue;
found = true;
break;
}
return found;
}
int halBlueAlsaTransportUpdate(
const bluealsa_watch * watch,
bluealsa_transport_t * list,
const struct ba_msg_transport *transports,
size_t nb,
transport_destructor destructor) {
bluealsa_transport_t *transport, *sav;
cds_list_for_each_entry_safe(transport, sav, &list->list, list) {
struct ba_msg_transport * ba_transport1 = &transport->transport;
if (watch != transport->watch)
continue;
bool found = false;
for (int ix = 0; ix<nb; ix++) {
const struct ba_msg_transport * ba_transport2 = &transports[ix];
if (halBlueAlsaTransportMatch(ba_transport1, ba_transport2)) {
found = true;
break;
}
}
if (found)
continue;
char transportS[HAL_BLUEALSA_TRANSPORT_LEN_MAX];
AFB_API_INFO(watch->plugin->api,
"Unregister transport %s",
halBlueAlsaTransportAsString(transportS, HAL_BLUEALSA_TRANSPORT_LEN_MAX, &transport->transport));
cds_list_del(&transport->list);
if (destructor) {
destructor(transport);
}
free(transport->transactionUidS);
free(transport);
}
return 0;
}
static bool halBlueAlsaTransportMatch(const struct ba_msg_transport * transport1, const struct ba_msg_transport * transport2) {
bool ret = false;
if (transport1->type != transport2->type)
goto done;
/* with HFP/ofono, a NULL codec means a hangup. So we consider that the transport has disappeared in that case */
if (transport1->codec != transport2->codec)
goto done;
if (bacmp(&transport1->addr, &transport2->addr) != 0) {
goto done;
}
ret = true;
done:
return ret;
}
char * halBlueAlsaTransportAsString(char * buff, size_t len, const struct ba_msg_transport * transport) {
char addr[18];
ba2str(&transport->addr, addr);
snprintf(buff, len, "%s,%s,%s sampling %d codec %d", addr,
transport->type & BA_PCM_TYPE_A2DP?"a2dp":"sco",
transport->type & BA_PCM_STREAM_PLAYBACK?"playback":"capture",
transport->sampling,
transport->codec);
return buff;
}
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