| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_SERVICE_PROCESS_INFO_H_ |
| #define CONTENT_PUBLIC_BROWSER_SERVICE_PROCESS_INFO_H_ |
| |
| #include <stdint.h> |
| |
| #include <optional> |
| #include <string> |
| |
| #include "base/process/process.h" |
| #include "base/types/id_type.h" |
| #include "content/common/content_export.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| |
| namespace internal { |
| struct CONTENT_EXPORT ServiceProcessIdTypeMarker {}; |
| } // namespace internal |
| |
| // An opaque ID type used to uniquely identify service process instances. This |
| // is separate from system PID. Values are never reused. |
| using ServiceProcessId = |
| base::IdType<internal::ServiceProcessIdTypeMarker, uint64_t, 0u>; |
| |
| // Information about a running (or very recently running) service process. |
| // |
| // This class is move-only but can be copied by calling the Duplicate() method. |
| // This is explicitly defined to prevent accidental copying, as the Duplicate() |
| // operation will call Duplicate() on the underlying base::Process. |
| class CONTENT_EXPORT ServiceProcessInfo { |
| public: |
| ServiceProcessInfo(const std::string& name, |
| const std::optional<GURL>& site, |
| const ServiceProcessId& id, |
| base::Process process); |
| ServiceProcessInfo(const ServiceProcessInfo&) = delete; |
| ServiceProcessInfo(ServiceProcessInfo&&); |
| ServiceProcessInfo& operator=(const ServiceProcessInfo&) = delete; |
| ServiceProcessInfo& operator=(ServiceProcessInfo&&); |
| |
| ~ServiceProcessInfo(); |
| |
| // Template helper for testing whether this ServiceProcessInfo corresponds to |
| // a service process launched to run the |Interface|. |
| template <typename Interface> |
| bool IsService() const { |
| return service_interface_name_ == Interface::Name_; |
| } |
| |
| // Duplicates the ServiceProcessInfo since this struct is non-copyable. This |
| // Duplicates the underlying `process_`. |
| ServiceProcessInfo Duplicate() const; |
| |
| const ServiceProcessId service_process_id() const { |
| return service_process_id_; |
| } |
| const std::string service_interface_name() const { |
| return service_interface_name_; |
| } |
| const std::optional<GURL>& site() const { return site_; } |
| const base::Process& GetProcess() const { return process_; } |
| |
| private: |
| // The name of the service interface for which the process was launched. |
| std::string service_interface_name_; |
| |
| // Optional site associated with the process for per-site service processes. |
| std::optional<GURL> site_; |
| |
| // A unique identifier for this service process instance. ServiceProcessIds |
| // are never reused. |
| ServiceProcessId service_process_id_; |
| |
| // The service process. |
| base::Process process_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_SERVICE_PROCESS_INFO_H_ |