| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #ifndef INCLUDE_PERFETTO_EXT_IPC_CLIENT_INFO_H_ |
| #define INCLUDE_PERFETTO_EXT_IPC_CLIENT_INFO_H_ |
| |
| #include "perfetto/base/logging.h" |
| #include "perfetto/ext/base/utils.h" |
| #include "perfetto/ext/ipc/basic_types.h" |
| |
| namespace perfetto { |
| namespace ipc { |
| |
| // Passed to Service(s) to identify remote clients. |
| class ClientInfo { |
| public: |
| ClientInfo() = default; |
| ClientInfo(ClientID client_id, uid_t uid, pid_t pid) |
| : client_id_(client_id), uid_(uid), pid_(pid) {} |
| |
| bool operator==(const ClientInfo& other) const { |
| return (client_id_ == other.client_id_ && uid_ == other.uid_); |
| } |
| bool operator!=(const ClientInfo& other) const { return !(*this == other); } |
| |
| // For map<> and other sorted containers. |
| bool operator<(const ClientInfo& other) const { |
| PERFETTO_DCHECK(client_id_ != other.client_id_ || *this == other); |
| return client_id_ < other.client_id_; |
| } |
| |
| bool is_valid() const { return client_id_ != 0; } |
| |
| // A monotonic counter. |
| ClientID client_id() const { return client_id_; } |
| |
| // Posix User ID. Comes from the kernel, can be trusted. |
| uid_t uid() const { return uid_; } |
| |
| // Posix process ID. Comes from the kernel and can be trusted. |
| int32_t pid() const { return pid_; } |
| |
| private: |
| ClientID client_id_ = 0; |
| uid_t uid_ = kInvalidUid; |
| pid_t pid_ = base::kInvalidPid; |
| }; |
| |
| } // namespace ipc |
| } // namespace perfetto |
| |
| #endif // INCLUDE_PERFETTO_EXT_IPC_CLIENT_INFO_H_ |