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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 <chre.h>
#include <cinttypes>
#include "chre/util/nanoapp/log.h"
#define LOG_TAG "[MsgWorld]"
#ifdef CHRE_NANOAPP_INTERNAL
namespace chre {
namespace {
#endif // CHRE_NANOAPP_INTERNAL
namespace {
constexpr uint32_t kMessageType = 1234;
uint8_t gMessageData[CHRE_MESSAGE_TO_HOST_MAX_SIZE] = {1, 2, 3, 4, 5, 6, 7, 8};
void messageFreeCallback(void *message, size_t messageSize) {
LOGI(
"Got message free callback for message @ %p (match? %d) size %zu (match?"
" %d)",
message, (message == gMessageData), messageSize,
(messageSize == sizeof(gMessageData)));
if (!chreSendEvent(CHRE_EVENT_FIRST_USER_VALUE, nullptr, nullptr,
chreGetInstanceId())) {
LOGE("Failed to send event");
}
}
} // anonymous namespace
bool nanoappStart() {
LOGI("App started as instance %" PRIu32, chreGetInstanceId());
bool success = chreSendMessageToHostEndpoint(
gMessageData, sizeof(gMessageData), kMessageType,
CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback);
LOGI("Sent message to host from start callback, result %d", success);
return true;
}
void nanoappHandleEvent(uint32_t senderInstanceId, uint16_t eventType,
const void *eventData) {
if (eventType == CHRE_EVENT_MESSAGE_FROM_HOST) {
auto *msg = static_cast<const chreMessageFromHostData *>(eventData);
LOGI("Got message from host with type %" PRIu32 " size %" PRIu32
" data @ %p hostEndpoint 0x%" PRIx16,
msg->messageType, msg->messageSize, msg->message, msg->hostEndpoint);
if (senderInstanceId != CHRE_INSTANCE_ID) {
LOGE("Message from host came from unexpected instance ID %" PRIu32,
senderInstanceId);
}
bool success = chreSendMessageToHostEndpoint(
gMessageData, sizeof(gMessageData), kMessageType,
CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback);
LOGI("Result of sending reply: %d", success);
}
}
void nanoappEnd() {
LOGI("Stopped");
}
#ifdef CHRE_NANOAPP_INTERNAL
} // anonymous namespace
} // namespace chre
#include "chre/platform/static_nanoapp_init.h"
#include "chre/util/nanoapp/app_id.h"
#include "chre/util/system/napp_permissions.h"
CHRE_STATIC_NANOAPP_INIT(MessageWorld, chre::kMessageWorldAppId, 0,
chre::NanoappPermissions::CHRE_PERMS_NONE);
#endif // CHRE_NANOAPP_INTERNAL
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