Add log-only account sync save hooks

src/Account.cc

@@ -9,6 +9,7 @@
 #include <phosg/Time.hh>
 
 #include "Account.hh"
+#include "AccountSync.hh"
 
 std::shared_ptr<DCNTELicense> DCNTELicense::from_json(const phosg::JSON& json) {
   auto ret = std::make_shared<DCNTELicense>();
@@ -400,6 +401,8 @@ void Account::save() const {
         phosg::JSON::SerializeOption::FORMAT | phosg::JSON::SerializeOption::HEX_INTEGERS);
     std::string filename = std::format("system/licenses/{:010}.json", this->account_id);
     phosg::save_file(filename, json_data);
+
+    AccountSync::notify_account_saved(this->account_id, filename);
   }
 }
 

src/AccountSync.hh

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <cstdio>
+#include <string>
+
+namespace AccountSync {
+
+inline void notify_account_saved(uint32_t account_id, const std::string& filename) {
+  std::fprintf(stderr,
+      "[AccountSync] event=account_saved account_id=%010u filename=%s\n",
+      static_cast<unsigned int>(account_id),
+      filename.c_str());
+}
+
+inline void notify_backup_saved(uint32_t account_id, size_t slot, const std::string& filename) {
+  std::fprintf(stderr,
+      "[AccountSync] event=backup_saved account_id=%010u slot=%zu filename=%s\n",
+      static_cast<unsigned int>(account_id),
+      slot,
+      filename.c_str());
+}
+
+inline void notify_player_state_saved(
+    const char* reason,
+    uint32_t account_id,
+    const std::string& bb_username,
+    const std::string& filename) {
+  std::fprintf(stderr,
+      "[AccountSync] event=player_state_saved reason=%s account_id=%010u bb_username=%s filename=%s\n",
+      reason,
+      static_cast<unsigned int>(account_id),
+      bb_username.c_str(),
+      filename.c_str());
+}
+
+} // namespace AccountSync

src/ChatCommands.cc

@@ -22,6 +22,7 @@
 #include "Server.hh"
 #include "StaticGameData.hh"
 #include "Text.hh"
+#include "AccountSync.hh"
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // Tools
@@ -491,12 +492,22 @@ static asio::awaitable<void> server_command_bbchar_savechar(const Args& a, bool
       ? Client::character_filename(dest_bb_license->username, dest_character_index)
       : Client::backup_character_filename(dest_account->account_id, dest_character_index, is_ep3(a.c->version()));
 
+  auto log_account_sync_backup_saved = [&]() -> void {
+    if (!is_bb_conversion) {
+      AccountSync::notify_backup_saved(
+          dest_account->account_id,
+          dest_character_index,
+          filename);
+    }
+  };
+
   if (ch.is_full_info) {
     // Client sent 30; ch contains the verbatim save file from the client
     if (ch.ep3_character) {
       try {
         Client::save_ep3_character_file(filename, *ch.ep3_character);
         send_text_message(a.c, "$C7Character data saved\n(full save file)");
+        log_account_sync_backup_saved();
       } catch (const std::exception& e) {
         send_text_message_fmt(a.c, "$C6Character data could\nnot be saved:\n{}", e.what());
       }
@@ -505,6 +516,7 @@ static asio::awaitable<void> server_command_bbchar_savechar(const Args& a, bool
       try {
         Client::save_character_file(filename, a.c->system_file(), ch.character);
         send_text_message(a.c, "$C7Character data saved\n(full save file)");
+        log_account_sync_backup_saved();
       } catch (const std::exception& e) {
         send_text_message_fmt(a.c, "$C6Character data could\nnot be saved:\n{}", e.what());
       }
@@ -546,6 +558,7 @@ static asio::awaitable<void> server_command_bbchar_savechar(const Args& a, bool
       try {
         Client::save_character_file(filename, a.c->system_file(), bb_player);
         send_text_message(a.c, "$C7Character data saved\n(basic only)");
+        log_account_sync_backup_saved();
       } catch (const std::exception& e) {
         send_text_message_fmt(a.c, "$C6Character data could\nnot be saved:\n{}", e.what());
       }

src/Client.cc

@@ -15,6 +15,7 @@
 #include "SendCommands.hh"
 #include "Server.hh"
 #include "Version.hh"
+#include "AccountSync.hh"
 
 const uint64_t CLIENT_CONFIG_MAGIC = 0x8399AC32;
 
@@ -503,6 +504,13 @@ void Client::save_system_file() const {
   std::string filename = this->system_filename();
   phosg::save_object_file(filename, *this->system_data);
   this->log.info_f("Saved system file {}", filename);
+  if (this->login && this->login->account && this->login->bb_license) {
+    AccountSync::notify_player_state_saved(
+        "system_saved",
+        this->login->account->account_id,
+        this->login->bb_license->username,
+        filename);
+  }
 }
 
 // Guild Card file
@@ -542,6 +550,13 @@ void Client::save_guild_card_file() const {
   std::string filename = this->guild_card_filename();
   phosg::save_object_file(filename, *this->guild_card_data);
   this->log.info_f("Saved Guild Card file {}", filename);
+  if (this->login && this->login->account && this->login->bb_license) {
+    AccountSync::notify_player_state_saved(
+        "guild_card_saved",
+        this->login->account->account_id,
+        this->login->bb_license->username,
+        filename);
+  }
 }
 
 // Character file
@@ -634,6 +649,13 @@ void Client::save_character_file() {
   auto filename = this->character_filename();
   this->save_character_file(filename, this->system_data, this->character_data);
   this->log.info_f("Saved character file {}", filename);
+  if (this->login && this->login->account && this->login->bb_license) {
+    AccountSync::notify_player_state_saved(
+        "character_saved",
+        this->login->account->account_id,
+        this->login->bb_license->username,
+        filename);
+  }
 }
 
 void Client::create_character_file(
@@ -834,6 +856,13 @@ void Client::save_bank_file() const {
   auto filename = this->bank_filename();
   this->save_bank_file(filename, *this->bank_data);
   this->log.info_f("Saved bank file {}", filename);
+  if (this->login && this->login->account && this->login->bb_license) {
+    AccountSync::notify_player_state_saved(
+        "bank_saved",
+        this->login->account->account_id,
+        this->login->bb_license->username,
+        filename);
+  }
 }
 
 void Client::change_bank(ssize_t index) {