Able to send and receive messages, server panicking and not relaying userids yet

server/CMakeLists.txt

@@ -1,6 +1,9 @@
 cmake_minimum_required(VERSION 3.23)
 project(chat_server LANGUAGES CXX)
 
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
 file(GLOB_RECURSE SOURCES "src/*.ui" "src/*.cpp" "inc/*.h" "res/*.qrc")
 
 add_executable(chat_server

server/inc/logic/service.h

@@ -5,6 +5,7 @@
 #include "services.grpc.pb.h"
 #include <grpcpp/server_context.h>
 #include <grpcpp/support/server_callback.h>
+#include <map>
 
 class Service : public chat::Chat::CallbackService {
 public:
@@ -14,7 +15,7 @@ public:
   void sendToAll(const chat::chatMsg &msg);
 
 private:
-  std::vector<ChatReactor *> m_clients;
+  std::map<std::string, ChatReactor *> m_clients;
   absl::Mutex m_mu;
   std::vector<chat::chatMsg> m_messages ABSL_GUARDED_BY(m_mu);
 };

server/src/logic/reactor.cpp

@@ -9,6 +9,7 @@ ChatReactor::ChatReactor(Service *service, absl::Mutex *mu,
 
 void ChatReactor::OnReadDone(bool ok) {
   if (ok) {
+    std::cout << "Received message: " << m_msg.message() << std::endl;
     m_mu->lock();
     m_messages->push_back(m_msg);
     m_mu->unlock();

server/src/logic/service.cpp

@@ -1,21 +1,29 @@
 #include "logic/service.h"
 #include "logic/reactor.h"
+#include <cstdlib>
+#include <format>
+#include <utility>
 
 Service::~Service() {
-  for (auto *client : m_clients) {
-    delete client;
+  for (auto client : m_clients) {
+    delete client.second;
   }
 }
 
 grpc::ServerBidiReactor<chat::chatMsg, chat::chatMsg> *
 Service::sendMsg(grpc::CallbackServerContext *context) {
   auto newClient = new ChatReactor(this, &m_mu, &m_messages);
-  m_clients.push_back(newClient);
+  std::string newId = std::format("user_{}", std::rand());
+  m_clients.insert(std::make_pair(newId, newClient));
+  std::cout << "New client: " << newId << std::endl;
   return newClient;
 }
 
 void Service::sendToAll(const chat::chatMsg &msg) {
-  for (auto *client : m_clients) {
-    client->StartWrite(&msg);
+  std::cout << "Relay message to: ";
+  for (auto client : m_clients) {
+    std::cout << client.first << " ";
+    client.second->StartWrite(&msg);
   }
+  std::cout << std::endl;
 }