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/*
* Copyright (C) 2024 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 <android/binder_libbinder.h>
#include <binder/RpcServer.h>
#include <binder/RpcServerTrusty.h>
#include <binder/RpcSession.h>
#include <binder/RpcTransportTipcTrusty.h>
using android::RpcServer;
using android::RpcServerTrusty;
using android::RpcSession;
using android::RpcTransportCtxFactoryTipcTrusty;
using android::sp;
using android::wp;
struct ARpcServerTrusty {
sp<RpcServer> mRpcServer;
ARpcServerTrusty() = delete;
ARpcServerTrusty(sp<RpcServer> rpcServer) : mRpcServer(std::move(rpcServer)) {}
};
ARpcServerTrusty* ARpcServerTrusty_newPerSession(AIBinder* (*cb)(const void*, size_t, char*),
char* cbArg, void (*cbArgDeleter)(char*)) {
std::shared_ptr<char> cbArgSp(cbArg, cbArgDeleter);
auto rpcTransportCtxFactory = RpcTransportCtxFactoryTipcTrusty::make();
if (rpcTransportCtxFactory == nullptr) {
return nullptr;
}
auto ctx = rpcTransportCtxFactory->newServerCtx();
if (ctx == nullptr) {
return nullptr;
}
auto rpcServer = RpcServerTrusty::makeRpcServer(std::move(ctx));
if (rpcServer == nullptr) {
return nullptr;
}
rpcServer->setPerSessionRootObject(
[cb, cbArgSp](wp<RpcSession> /*session*/, const void* addrPtr, size_t len) {
auto* aib = (*cb)(addrPtr, len, cbArgSp.get());
auto b = AIBinder_toPlatformBinder(aib);
// We have a new sp<IBinder> backed by the same binder, so we can
// finally release the AIBinder* from the callback
AIBinder_decStrong(aib);
return b;
});
return new (std::nothrow) ARpcServerTrusty(std::move(rpcServer));
}
void ARpcServerTrusty_delete(ARpcServerTrusty* rstr) {
delete rstr;
}
int ARpcServerTrusty_handleConnect(ARpcServerTrusty* rstr, handle_t chan, const uuid* peer,
void** ctx_p) {
return RpcServerTrusty::handleConnectInternal(rstr->mRpcServer.get(), chan, peer, ctx_p);
}
int ARpcServerTrusty_handleMessage(void* ctx) {
return RpcServerTrusty::handleMessageInternal(ctx);
}
void ARpcServerTrusty_handleDisconnect(void* ctx) {
RpcServerTrusty::handleDisconnectInternal(ctx);
}
void ARpcServerTrusty_handleChannelCleanup(void* ctx) {
RpcServerTrusty::handleChannelCleanup(ctx);
}
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