/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <chre.h>
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#include <cinttypes>
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#include "chre/util/nanoapp/log.h"
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#define LOG_TAG "[MsgWorld]"
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#ifdef CHRE_NANOAPP_INTERNAL
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namespace chre {
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namespace {
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#endif // CHRE_NANOAPP_INTERNAL
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namespace {
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constexpr uint32_t kMessageType = 1234;
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uint8_t gMessageData[CHRE_MESSAGE_TO_HOST_MAX_SIZE] = {1, 2, 3, 4, 5, 6, 7, 8};
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void messageFreeCallback(void *message, size_t messageSize) {
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LOGI("Got message free callback for message @"
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" %p (match? %d) size %zu (match? %d)",
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message, (message == gMessageData),
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messageSize, (messageSize == sizeof(gMessageData)));
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if (!chreSendEvent(CHRE_EVENT_FIRST_USER_VALUE, nullptr, nullptr,
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chreGetInstanceId())) {
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LOGE("Failed to send event");
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}
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}
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} // anonymous namespace
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bool nanoappStart() {
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LOGI("App started as instance %" PRIu32, chreGetInstanceId());
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bool success = chreSendMessageToHostEndpoint(
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gMessageData, sizeof(gMessageData), kMessageType,
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CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback);
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LOGI("Sent message to host from start callback, result %d", success);
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return true;
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}
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void nanoappHandleEvent(uint32_t senderInstanceId,
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uint16_t eventType,
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const void *eventData) {
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if (eventType == CHRE_EVENT_MESSAGE_FROM_HOST) {
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auto *msg = static_cast<const chreMessageFromHostData *>(eventData);
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LOGI("Got message from host with type %" PRIu32 " size %" PRIu32
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" data @ %p hostEndpoint 0x%" PRIx16,
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msg->messageType, msg->messageSize, msg->message, msg->hostEndpoint);
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if (senderInstanceId != CHRE_INSTANCE_ID) {
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LOGE("Message from host came from unexpected instance ID %" PRIu32,
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senderInstanceId);
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}
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bool success = chreSendMessageToHostEndpoint(
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gMessageData, sizeof(gMessageData), kMessageType,
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CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback);
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LOGI("Result of sending reply: %d", success);
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}
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}
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void nanoappEnd() {
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LOGI("Stopped");
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}
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#ifdef CHRE_NANOAPP_INTERNAL
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} // anonymous namespace
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} // namespace chre
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#include "chre/util/nanoapp/app_id.h"
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#include "chre/platform/static_nanoapp_init.h"
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CHRE_STATIC_NANOAPP_INIT(MessageWorld, chre::kMessageWorldAppId, 0);
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#endif // CHRE_NANOAPP_INTERNAL
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