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225 lines
6.4 KiB
225 lines
6.4 KiB
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/*
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* Copyright (C) 2017 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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//#define LOG_NDEBUG 0
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#define LOG_TAG "CasImpl"
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#include <android/media/ICasListener.h>
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#include <media/cas/CasAPI.h>
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#include <media/CasImpl.h>
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#include <media/SharedLibrary.h>
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#include <utils/Log.h>
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namespace android {
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static Status getBinderStatus(status_t err) {
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if (err == OK) {
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return Status::ok();
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}
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if (err == BAD_VALUE) {
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return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
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}
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if (err == INVALID_OPERATION) {
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return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
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}
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return Status::fromServiceSpecificError(err);
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}
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static String8 sessionIdToString(const CasSessionId &sessionId) {
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String8 result;
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for (size_t i = 0; i < sessionId.size(); i++) {
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result.appendFormat("%02x ", sessionId[i]);
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}
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if (result.isEmpty()) {
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result.append("(null)");
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}
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return result;
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}
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struct CasImpl::PluginHolder : public RefBase {
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public:
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explicit PluginHolder(CasPlugin *plugin) : mPlugin(plugin) {}
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~PluginHolder() { if (mPlugin != NULL) delete mPlugin; }
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CasPlugin* get() { return mPlugin; }
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private:
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CasPlugin *mPlugin;
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DISALLOW_EVIL_CONSTRUCTORS(PluginHolder);
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};
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CasImpl::CasImpl(const sp<ICasListener> &listener)
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: mPluginHolder(NULL), mListener(listener) {
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ALOGV("CTOR");
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}
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CasImpl::~CasImpl() {
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ALOGV("DTOR");
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release();
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}
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//static
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void CasImpl::OnEvent(
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void *appData,
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int32_t event,
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int32_t arg,
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uint8_t *data,
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size_t size) {
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if (appData == NULL) {
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ALOGE("Invalid appData!");
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return;
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}
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CasImpl *casImpl = static_cast<CasImpl *>(appData);
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casImpl->onEvent(event, arg, data, size);
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}
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void CasImpl::init(const sp<SharedLibrary>& library, CasPlugin *plugin) {
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mLibrary = library;
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mPluginHolder = new PluginHolder(plugin);
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}
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void CasImpl::onEvent(
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int32_t event, int32_t arg, uint8_t *data, size_t size) {
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if (mListener == NULL) {
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return;
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}
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std::unique_ptr<CasData> eventData;
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if (data != NULL && size > 0) {
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eventData.reset(new CasData(data, data + size));
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}
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mListener->onEvent(event, arg, eventData);
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}
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Status CasImpl::setPrivateData(const CasData& pvtData) {
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ALOGV("setPrivateData");
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->setPrivateData(pvtData));
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}
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Status CasImpl::openSession(CasSessionId* sessionId) {
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ALOGV("openSession");
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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status_t err = holder->get()->openSession(sessionId);
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ALOGV("openSession: session opened, sessionId=%s",
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sessionIdToString(*sessionId).string());
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return getBinderStatus(err);
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}
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Status CasImpl::setSessionPrivateData(
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const CasSessionId &sessionId, const CasData& pvtData) {
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ALOGV("setSessionPrivateData: sessionId=%s",
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sessionIdToString(sessionId).string());
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->setSessionPrivateData(sessionId, pvtData));
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}
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Status CasImpl::closeSession(const CasSessionId &sessionId) {
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ALOGV("closeSession: sessionId=%s",
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sessionIdToString(sessionId).string());
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->closeSession(sessionId));
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}
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Status CasImpl::processEcm(const CasSessionId &sessionId, const ParcelableCasData& ecm) {
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ALOGV("processEcm: sessionId=%s",
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sessionIdToString(sessionId).string());
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->processEcm(sessionId, ecm));
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}
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Status CasImpl::processEmm(const ParcelableCasData& emm) {
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ALOGV("processEmm");
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->processEmm(emm));
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}
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Status CasImpl::sendEvent(
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int32_t event, int32_t arg, const ::std::unique_ptr<CasData> &eventData) {
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ALOGV("sendEvent");
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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status_t err;
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if (eventData == nullptr) {
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err = holder->get()->sendEvent(event, arg, CasData());
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} else {
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err = holder->get()->sendEvent(event, arg, *eventData);
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}
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return getBinderStatus(err);
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}
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Status CasImpl::provision(const String16& provisionString) {
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ALOGV("provision: provisionString=%s", String8(provisionString).string());
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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return getBinderStatus(holder->get()->provision(String8(provisionString)));
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}
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Status CasImpl::refreshEntitlements(
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int32_t refreshType, const ::std::unique_ptr<CasData> &refreshData) {
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ALOGV("refreshEntitlements");
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sp<PluginHolder> holder = mPluginHolder;
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if (holder == NULL) {
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return getBinderStatus(INVALID_OPERATION);
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}
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status_t err;
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if (refreshData == nullptr) {
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err = holder->get()->refreshEntitlements(refreshType, CasData());
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} else {
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err = holder->get()->refreshEntitlements(refreshType, *refreshData);
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}
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return getBinderStatus(err);
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}
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Status CasImpl::release() {
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ALOGV("release: plugin=%p",
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mPluginHolder == NULL ? mPluginHolder->get() : NULL);
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mPluginHolder.clear();
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return Status::ok();
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}
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} // namespace android
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