From 6d346a3819ba7935e3d8c0789eafba2b5187b547 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Tue, 16 Jun 2020 17:35:14 +0800
Subject: [PATCH] 1

---
 server/masterserver/cachemgr.cc | 43 ++++++++++++++++++++++++++++++++-
 server/masterserver/cachemgr.h  |  9 +++++++
 server/masterserver/types.h     |  1 +
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/server/masterserver/cachemgr.cc b/server/masterserver/cachemgr.cc
index 3001916..a3c41fc 100644
--- a/server/masterserver/cachemgr.cc
+++ b/server/masterserver/cachemgr.cc
@@ -1,6 +1,7 @@
 #include "precompile.h"
 
 #include <a8/openssl.h>
+#include <a8/timer.h>
 
 #include "cachemgr.h"
 #include "app.h"
@@ -12,11 +13,22 @@
 void CacheMgr::Init()
 {
     INIT_LIST_HEAD(&friend_list_);
+    curr_entry_ = &friend_list_;
+    a8::Timer::Instance()->AddRepeatTimerAndAttach
+        (
+         1000 * 10,
+         a8::XParams(),
+         [] (const a8::XParams& param)
+         {
+             CacheMgr::Instance()->RemoveTimeoutFriend();
+         },
+         &timer_attacher_.timer_list_
+         );
 }
 
 void CacheMgr::UnInit()
 {
-
+    timer_attacher_.ClearTimerList();
 }
 
 void CacheMgr::_SS_IM_UserOnline(f8::MsgHdr& hdr, const ss::SS_IM_UserOnline& msg)
@@ -47,6 +59,7 @@ void CacheMgr::_SS_IM_UserOnline(f8::MsgHdr& hdr, const ss::SS_IM_UserOnline& ms
                         friend_data->svr_node = svr_node;
                     }
                 }
+                friend_data->last_active_tick = a8::XGetTickCount();
                 TypeConvert::Convert(user_info.base_data(), friend_data->base_data);
                 TypeConvert::Convert(user_info.temp_custom_data(), friend_data->temp_custom_data);
             }
@@ -66,6 +79,7 @@ void CacheMgr::_SS_IM_UserOffline(f8::MsgHdr& hdr, const ss::SS_IM_UserOffline&
                     list_del_init(&friend_data->human_entry);
                 }
                 friend_data->svr_node = nullptr;
+                friend_data->last_active_tick = a8::XGetTickCount();
             }
         }
     }
@@ -90,3 +104,30 @@ Friend* CacheMgr::GetFriendData(const std::string& account_id)
     auto itr = friend_hash_.find(account_id);
     return itr != friend_hash_.end() ? itr->second : nullptr;
 }
+
+void CacheMgr::RemoveTimeoutFriend()
+{
+    if (friend_hash_.size() < 10000 * 50) {
+        return;
+    }
+    int num = 0;
+    long long tick = a8::XGetTickCount();
+    while (!list_is_last(curr_entry_, &friend_list_) && num++ < 1000) {
+        list_head* p = curr_entry_;
+        curr_entry_ = curr_entry_->next;
+
+        Friend* friend_data = list_entry(p, Friend, cache_entry);
+        long long inactive_tick = tick - friend_data->last_active_tick;
+        if ((friend_data->base_data.online && inactive_tick > 1000 * 3600 * 24 * 2) ||
+            (!friend_data->base_data.online && inactive_tick > 1000 * 3600 * 24)) {
+            if (!list_empty(&friend_data->human_entry)) {
+                list_del_init(&friend_data->human_entry);
+            }
+            list_del_init(&friend_data->cache_entry);
+            friend_hash_.erase(friend_data->base_data.account_id);
+        }
+    }
+    if (list_is_last(curr_entry_, &friend_list_)) {
+        curr_entry_ = &friend_list_;
+    }
+}
diff --git a/server/masterserver/cachemgr.h b/server/masterserver/cachemgr.h
index 73143f0..70b9144 100644
--- a/server/masterserver/cachemgr.h
+++ b/server/masterserver/cachemgr.h
@@ -1,5 +1,9 @@
 #pragma once
 
+#include <unordered_map>
+
+#include <a8/timer_attacher.h>
+
 #include "ss_proto.pb.h"
 
 class CacheMgr : public a8::Singleton<CacheMgr>
@@ -23,7 +27,12 @@ class CacheMgr : public a8::Singleton<CacheMgr>
     Friend* GetFriendData(const std::string& account_id);
 
  private:
+    void RemoveTimeoutFriend();
+
+ private:
+    a8::TimerAttacher timer_attacher_;
 
     std::map<std::string, Friend*> friend_hash_;
     list_head friend_list_;
+    list_head* curr_entry_ = nullptr;
 };
diff --git a/server/masterserver/types.h b/server/masterserver/types.h
index 6725535..3fa483e 100755
--- a/server/masterserver/types.h
+++ b/server/masterserver/types.h
@@ -37,6 +37,7 @@ struct Friend
     BaseUserData base_data;
     UserTempCustomData temp_custom_data;
 
+    long long last_active_tick = 0;
     list_head cache_entry;
     list_head human_entry;
     struct SvrNode* svr_node = nullptr;