refactor: 시그널 관리 컨텍스트와 네트워크 서비스 컨텍스트 통합

include/NetworkService.h

@@ -8,7 +8,8 @@ using boost::asio::ip::tcp;
 
 class NetworkService {
 public:
-  NetworkService(uint16_t port, int threadCount);
+  NetworkService(boost::asio::io_context &io_context, uint16_t port,
+                 int threadCount);
   ~NetworkService();
 
   void Run();
@@ -17,7 +18,7 @@ public:
 private:
   void DoAccept();
 
-  boost::asio::io_context io_context_;
+  boost::asio::io_context &io_context_;
   std::vector<std::jthread> threads_;
   tcp::acceptor acceptor_;
   boost::asio::executor_work_guard<boost::asio::io_context::executor_type>

server/NetworkService.cpp

@@ -2,8 +2,10 @@
 #include "Logger.h"
 #include "Session.h"
 
-NetworkService::NetworkService(uint16_t port, int threadCount)
-    : acceptor_(io_context_, tcp::endpoint(tcp::v4(), port)),
+NetworkService::NetworkService(boost::asio::io_context &io_context,
+                               uint16_t port, int threadCount)
+    : io_context_(io_context),
+      acceptor_(io_context_, tcp::endpoint(tcp::v4(), port)),
       work_guard_(boost::asio::make_work_guard(io_context_)) {
   threads_.reserve(threadCount);
   for (int i = 0; i < threadCount; ++i) {

server/main.cpp

@@ -32,7 +32,7 @@ int main() {
       return 1;
     }
 
-    NetworkService server(port, threadCount);
+    NetworkService server(main_context, port, threadCount);
     server.Run();
 
     boost::asio::signal_set signals(main_context, SIGINT, SIGTERM);