mkipnis · mkipnis · May 16, 2026 · May 15, 2026 · May 16, 2026
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -4,7 +4,7 @@ project(DistributedATS)
 
 set(CMAKE_PREFIX_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 

diff --git a/FIXGateway/src/Application.cpp b/FIXGateway/src/Application.cpp
@@ -149,21 +149,15 @@ void DATSApplication::toAdmin(FIX::Message &message,
                               const FIX::SessionID &sessionID) {}
 void DATSApplication::toApp(
     FIX::Message &message,
-    const FIX::SessionID &sessionID) throw(FIX::DoNotSend) {}
+    const FIX::SessionID &sessionID) {}
 
 void DATSApplication::fromAdmin(
     const FIX::Message &message,
-    const FIX::SessionID &sessionID) throw(FIX::FieldNotFound,
-                                           FIX::IncorrectDataFormat,
-                                           FIX::IncorrectTagValue,
-                                           FIX::RejectLogon) {}
+    const FIX::SessionID &sessionID) {}
 
 void DATSApplication::fromApp(
     const FIX::Message &message,
-    const FIX::SessionID &sessionID) throw(FIX::FieldNotFound,
-                                           FIX::IncorrectDataFormat,
-                                           FIX::IncorrectTagValue,
-                                           FIX::UnsupportedMessageType) {
+    const FIX::SessionID &sessionID) {
   crack(message, sessionID);
 }
 

diff --git a/FIXGateway/src/Application.hpp b/FIXGateway/src/Application.hpp
@@ -59,18 +59,12 @@ class DATSApplication : public FIX::Application, public FIX::MessageCracker {
   void onLogon(const FIX::SessionID &sessionID);
   void onLogout(const FIX::SessionID &sessionID);
   void toAdmin(FIX::Message &, const FIX::SessionID &);
-  void toApp(FIX::Message &, const FIX::SessionID &) throw(FIX::DoNotSend);
+  void toApp(FIX::Message &, const FIX::SessionID &);
   void fromAdmin(const FIX::Message &,
-                 const FIX::SessionID &) throw(FIX::FieldNotFound,
-                                               FIX::IncorrectDataFormat,
-                                               FIX::IncorrectTagValue,
-                                               FIX::RejectLogon);
+                 const FIX::SessionID &);
   void
   fromApp(const FIX::Message &message,
-          const FIX::SessionID &sessionID) throw(FIX::FieldNotFound,
-                                                 FIX::IncorrectDataFormat,
-                                                 FIX::IncorrectTagValue,
-                                                 FIX::UnsupportedMessageType);
+          const FIX::SessionID &sessionID);
 
   void onMessage(const FIX44::NewOrderSingle &, const FIX::SessionID &);
   void onMessage(const FIX44::OrderCancelRequest &, const FIX::SessionID &);

diff --git a/FIXGateway/src/SocketAcceptor.cpp b/FIXGateway/src/SocketAcceptor.cpp
@@ -38,13 +38,13 @@ using namespace FIX;
 namespace DistributedATS {
 SocketAcceptor::SocketAcceptor(
     DistributedATS::DATSApplication &application, MessageStoreFactory &factory,
-    const SessionSettings &settings) throw(ConfigError)
+    const SessionSettings &settings)
     : Acceptor(application, factory, settings), m_pServer(0) {}
 
 SocketAcceptor::SocketAcceptor(
     DistributedATS::DATSApplication &application, MessageStoreFactory &factory,
     const SessionSettings &settings, FIX::LogFactory &logFactory/*,
-    std::ofstream *dds_input_stream_log_file*/) throw(ConfigError)
+    std::ofstream *dds_input_stream_log_file*/) 
     : Acceptor(application, factory, settings, logFactory), m_pServer(0) {}
 
 SocketAcceptor::~SocketAcceptor() {
@@ -53,7 +53,7 @@ SocketAcceptor::~SocketAcceptor() {
     delete iter->second;
 }
 
-void SocketAcceptor::onConfigure(const SessionSettings &s) throw(ConfigError) {
+void SocketAcceptor::onConfigure(const SessionSettings &s) {
   std::set<SessionID> sessions = s.getSessions();
   std::set<SessionID>::iterator i;
   for (i = sessions.begin(); i != sessions.end(); ++i) {
@@ -66,8 +66,8 @@ void SocketAcceptor::onConfigure(const SessionSettings &s) throw(ConfigError) {
   }
 }
 
-void SocketAcceptor::onInitialize(const SessionSettings &s) throw(
-    RuntimeError) {
+void SocketAcceptor::onInitialize(const SessionSettings &s) 
+    {
   short port = 0;
 
   try {

diff --git a/FIXGateway/src/SocketAcceptor.h b/FIXGateway/src/SocketAcceptor.h
@@ -42,10 +42,10 @@ class SocketAcceptor : public FIX::Acceptor, FIX::SocketServer::Strategy {
 
 public:
   SocketAcceptor(DistributedATS::DATSApplication &, FIX::MessageStoreFactory &,
-                 const FIX::SessionSettings &) throw(FIX::ConfigError);
+                 const FIX::SessionSettings &);
   SocketAcceptor(DistributedATS::DATSApplication &, FIX::MessageStoreFactory &,
                  const FIX::SessionSettings &, FIX::LogFactory &/*,
-                 std::ofstream */ ) throw(FIX::ConfigError);
+                 std::ofstream */ );
 
   virtual ~SocketAcceptor();
 

diff --git a/FIXGateway/src/SocketConnection.cpp b/FIXGateway/src/SocketConnection.cpp
@@ -210,7 +210,7 @@ bool SocketConnection::isValidSession() {
   return !(m_sessions.find(sessionID) == m_sessions.end());
 }
 
-void SocketConnection::readFromSocket() throw(SocketRecvFailed) {
+void SocketConnection::readFromSocket() {
   ssize_t size = socket_recv(m_socket, m_buffer, sizeof(m_buffer));
   if (size <= 0)
     throw SocketRecvFailed(size);

diff --git a/FIXGateway/src/SocketConnection.h b/FIXGateway/src/SocketConnection.h
@@ -94,7 +94,7 @@ class SocketConnection : public Responder {
 private:
   typedef std::deque<std::string, ALLOCATOR<std::string>> Queue;
 
-  void readFromSocket() throw(SocketRecvFailed);
+  void readFromSocket();
   bool readMessage(std::string &msg);
   void readMessages(SocketMonitor &s);
 

diff --git a/LatencyTest/Application.cpp b/LatencyTest/Application.cpp
@@ -101,13 +101,11 @@ void Application::onLogout( const FIX::SessionID& sessionID )
 }
 
 void Application::fromApp( const FIX::Message& message, const FIX::SessionID& sessionID )
-throw( FIX::FieldNotFound, FIX::IncorrectDataFormat, FIX::IncorrectTagValue, FIX::UnsupportedMessageType )
 {
   crack( message, sessionID );
 }
 
 void Application::toApp( FIX::Message& message, const FIX::SessionID& sessionID )
-throw( FIX::DoNotSend )
 {
   try
   {

diff --git a/LatencyTest/Application.h b/LatencyTest/Application.h
@@ -72,10 +72,10 @@ namespace LatencyTest
             void onLogon( const FIX::SessionID& sessionID );
             void onLogout( const FIX::SessionID& sessionID );
             void toAdmin( FIX::Message&, const FIX::SessionID& );
-            void toApp( FIX::Message&, const FIX::SessionID& ) throw( FIX::DoNotSend );
-            void fromAdmin( const FIX::Message&, const FIX::SessionID& ) throw( FIX::FieldNotFound, FIX::IncorrectDataFormat, FIX::IncorrectTagValue, FIX::RejectLogon ) {};
+            void toApp( FIX::Message&, const FIX::SessionID& ) ;
+            void fromAdmin( const FIX::Message&, const FIX::SessionID& ) {};
 
-            void fromApp( const FIX::Message& message, const FIX::SessionID& sessionID ) throw( FIX::FieldNotFound, FIX::IncorrectDataFormat, FIX::IncorrectTagValue, FIX::UnsupportedMessageType );
+            void fromApp( const FIX::Message& message, const FIX::SessionID& sessionID );
             void onMessage( const FIX44::ExecutionReport&, const FIX::SessionID& );
             void onMessage( const FIX44::MarketDataIncrementalRefresh&, const FIX::SessionID&);
 

diff --git a/MiscClients/cpp_ws_reactjs/fix_ws_proxy/fix_application.cpp b/MiscClients/cpp_ws_reactjs/fix_ws_proxy/fix_application.cpp
@@ -48,7 +48,7 @@ void fix_application::toAdmin(FIX::Message& message, const FIX::SessionID& sessi
 }
 
 
-void fix_application::fromAdmin(const FIX::Message& message, const FIX::SessionID& sessionId)  throw(FIX::FieldNotFound, FIX::IncorrectDataFormat, FIX::IncorrectTagValue, FIX::RejectLogon)
+void fix_application::fromAdmin(const FIX::Message& message, const FIX::SessionID& sessionId)
 {
     // Convert FIX message to JSON
       auto json_obj = distributed_ats::fix_json::fix_to_json(message);
@@ -74,7 +74,7 @@ void fix_application::fromAdmin(const FIX::Message& message, const FIX::SessionI
 }
 
 
-void fix_application::fromApp(const FIX::Message& message, const FIX::SessionID& sessionId)  throw(FIX::FieldNotFound, FIX::IncorrectDataFormat, FIX::IncorrectTagValue, FIX::UnsupportedMessageType)
+void fix_application::fromApp(const FIX::Message& message, const FIX::SessionID& sessionId)
 {
     // Convert FIX message to JSON
        auto json_obj = distributed_ats::fix_json::fix_to_json(message);

diff --git a/MiscClients/cpp_ws_reactjs/fix_ws_proxy/fix_application.h b/MiscClients/cpp_ws_reactjs/fix_ws_proxy/fix_application.h
@@ -26,18 +26,12 @@ class fix_application : public FIX::Application {
     void toAdmin(FIX::Message& message, const FIX::SessionID& sessionID) override;
 
     void fromAdmin(const FIX::Message &,
-                 const FIX::SessionID &) throw(FIX::FieldNotFound,
-                                               FIX::IncorrectDataFormat,
-                                               FIX::IncorrectTagValue,
-                                               FIX::RejectLogon) override;
+                 const FIX::SessionID &) override;
     void fromApp(const FIX::Message &message,
-          const FIX::SessionID &sessionID) throw(FIX::FieldNotFound,
-                                                 FIX::IncorrectDataFormat,
-                                                 FIX::IncorrectTagValue,
-                                                 FIX::UnsupportedMessageType) override;
+          const FIX::SessionID &sessionID) override;
 
 
-    void toApp(FIX::Message&, const FIX::SessionID&) throw(FIX::DoNotSend) override {};
+    void toApp(FIX::Message&, const FIX::SessionID&) override {};
 
 private:
     std::weak_ptr<Session> _ws_session;

diff --git a/MiscClients/cpp_ws_reactjs/webtrader_reactjs_ws/src/App.js b/MiscClients/cpp_ws_reactjs/webtrader_reactjs_ws/src/App.js
@@ -45,14 +45,29 @@ function App() {
 
   const [histData, setHistData] = useState([]);
 
+/*
   function getWebSocketUrl() {
    const host = window.location.hostname; // localhost, docker container, or prod host
    const port = 9002;                     // your FIX WS port
    const protocol = window.location.protocol === "https:" ? "wss" : "ws";
    return `${protocol}://${host}:${port}`;
   }
+*/
 
 
+function getWebSocketUrl() {
+  const host = window.location.hostname;
+  const protocol = window.location.protocol === "https:" ? "wss" : "ws";
+
+  // Only special-case production domain
+  if (host === "ats.alpharesearch.online" || host === "ats.ustreasuries.online") {
+    return `${protocol}://${host}/ws`;
+  }
+
+  // everything else keeps old behavior
+  return `${protocol}://${host}:9002`;
+}
+
   // =====================================================================================
   // FIX LOGON CALLBACK  (USER PRESSES LOGIN BUTTON)
   // =====================================================================================

diff --git a/docker/build_distributed_ats.sh b/docker/build_distributed_ats.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-git clone -b misc_1025 https://github.com/mkipnis/DistributedATS /opt/distributed_ats_src
+git clone -b cxx17 https://github.com/mkipnis/DistributedATS /opt/distributed_ats_src
 
 cd /opt/distributed_ats_src
 cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr/local -DDDS_ROOT_DIR=/usr/local -DLOG4CXX_ROOT_DIR=/usr/local -DQUICKFIX_ROOT_DIR=/usr/local -DLIQUIBOOK_ROOT_DIR=/usr/local

diff --git a/docker/fixproxy.ini b/docker/fixproxy.ini
@@ -0,0 +1,17 @@
+[DEFAULT]
+BeginString=FIX.4.4
+ConnectionType=initiator
+ReconnectInterval=30
+FileStorePath=/tmp/store
+FileLogPath=/tmp/log
+StartTime=00:00:00
+EndTime=00:00:00
+ResetOnLogon=Y
+ResetSeqNumFlag=Y
+ResetOnDisconnect=Y
+
+TargetCompID=FIX_GWY_1
+SocketConnectHost=distributed_ats
+SocketConnectPort=15001
+HeartBtInt=30
+DataDictionary=/usr/local/spec/FIX44.xml