LCOV - code coverage report
Current view: top level - include/hpactor/ref - actor_address.hpp (source / functions) Coverage Total Hit
Test: HPActor Coverage Lines: 89.3 % 28 25
Test Date: 2026-05-20 02:24:49 Functions: 100.0 % 8 8
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : // Copyright 2026 HPActor Contributors
       2                 :             : //
       3                 :             : // Licensed under the Apache License, Version 2.0 (the "License");
       4                 :             : // you may not use this file except in compliance with the License.
       5                 :             : // You may obtain a copy of the License at
       6                 :             : //
       7                 :             : //     http://www.apache.org/licenses/LICENSE-2.0
       8                 :             : //
       9                 :             : // Unless required by applicable law or agreed to in writing, software
      10                 :             : // distributed under the License is distributed on an "AS IS" BASIS,
      11                 :             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12                 :             : // See the License for the specific language governing permissions and
      13                 :             : // limitations under the License.
      14                 :             : 
      15                 :             : #pragma once
      16                 :             : 
      17                 :             : #include <functional>
      18                 :             : #include <hpactor/types/types.hpp>
      19                 :             : 
      20                 :             : namespace hpactor {
      21                 :             : 
      22                 :             : // -----------------------------------------------------------------------------
      23                 :             : // ActorAddress - unique identifier for an actor across the distributed system
      24                 :             : // -----------------------------------------------------------------------------
      25                 :             : struct ActorAddress {
      26                 :             :     EndPoint endpoint;        // Network location
      27                 :             :     ActorType type = 0;       // Actor type identifier
      28                 :             :     ActorId id;               // Unique instance ID
      29                 :             :     uint64_t incarnation = 0; // Increments on restart
      30                 :             : 
      31                 :     1243480 :     ActorAddress() : endpoint(Ipv4Endpoint{0x7F000001, 0}) {}
      32                 :         187 :     ActorAddress(EndPoint ep, ActorType t, ActorId i, uint64_t inc)
      33                 :         187 :         : endpoint(std::move(ep)), type(t), id(i), incarnation(inc) {}
      34                 :             : 
      35                 :          25 :     bool operator==(const ActorAddress& other) const noexcept {
      36                 :          75 :         return endpoint == other.endpoint && type == other.type &&
      37                 :          75 :                id == other.id && incarnation == other.incarnation;
      38                 :             :     }
      39                 :           2 :     bool operator!=(const ActorAddress& other) const noexcept {
      40                 :           2 :         return !(*this == other);
      41                 :             :     }
      42                 :             :     bool is_local() const noexcept;
      43                 :             :     [[nodiscard]] std::string to_string() const;
      44                 :          14 :     explicit operator bool() const {
      45                 :          14 :         return id.value() != 0;
      46                 :             :     }
      47                 :             : 
      48                 :             :   public:
      49                 :          12 :     static void hash_combine(size_t& seed, size_t value) noexcept {
      50                 :          12 :         seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2);
      51                 :          12 :     }
      52                 :             : };
      53                 :             : 
      54                 :           2 : inline bool ActorAddress::is_local() const noexcept {
      55                 :           2 :     if (auto* ipv4 = std::get_if<Ipv4Endpoint>(&endpoint)) {
      56                 :           2 :         return ipv4->is_loopback();
      57                 :             :     }
      58                 :           0 :     if (auto* ipv6 = std::get_if<Ipv6Endpoint>(&endpoint)) {
      59                 :           0 :         return ipv6->is_loopback();
      60                 :             :     }
      61                 :           0 :     return true; // Empty variant is considered local
      62                 :             : }
      63                 :             : 
      64                 :             : inline std::string ActorAddress::to_string() const {
      65                 :             :     return endpoint_ops::to_string(endpoint);
      66                 :             : }
      67                 :             : 
      68                 :             : using ActorAddr = ActorAddress;
      69                 :             : inline const ActorAddr invalid_actor_addr{};
      70                 :             : 
      71                 :             : } // namespace hpactor
      72                 :             : 
      73                 :             : // -----------------------------------------------------------------------------
      74                 :             : // std::hash specialization for ActorAddress
      75                 :             : // -----------------------------------------------------------------------------
      76                 :             : template <> struct std::hash<hpactor::ActorAddress> {
      77                 :           4 :     std::size_t operator()(const hpactor::ActorAddress& addr) const noexcept {
      78                 :           4 :         std::size_t seed = std::hash<hpactor::EndPoint>{}(addr.endpoint);
      79                 :           4 :         hpactor::ActorAddress::hash_combine(
      80                 :           4 :             seed, std::hash<hpactor::ActorType>{}(addr.type));
      81                 :           4 :         hpactor::ActorAddress::hash_combine(
      82                 :           4 :             seed, std::hash<hpactor::ActorId>{}(addr.id));
      83                 :           4 :         hpactor::ActorAddress::hash_combine(
      84                 :           4 :             seed, std::hash<uint64_t>{}(addr.incarnation));
      85                 :           4 :         return seed;
      86                 :             :     }
      87                 :             : };
        

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