Support mac / linux

.github/workflows/build.yml

@@ -0,0 +1,30 @@
+name: Build
+
+on:
+  push:
+    branches: [master, feature/**]
+  pull_request:
+    branches: [master]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build-macos:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Configure
+        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+
+      - name: Build
+        run: cmake --build build --config Release
+
+      - name: Upload workflow artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: psn-macos-release
+          path: build/examples/psn_*
+          if-no-files-found: error

.gitignore

@@ -7,4 +7,5 @@
 *.log
 examples/vs2015/bin/
 examples/vs2015/build/
-.vs/
+.vs/
+build

CMakeLists.txt

@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.10)
+project(PSN VERSION 2.03 LANGUAGES CXX)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Create header-only library interface
+add_library(psn INTERFACE)
+
+# Add include directory
+target_include_directories(psn INTERFACE
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
+
+# Platform-specific settings for network library
+if(WIN32)
+    target_link_libraries(psn INTERFACE ws2_32)
+endif()
+
+# Add examples
+add_subdirectory(examples)

examples/CMakeLists.txt

@@ -0,0 +1,40 @@
+# PSN Examples CMakeLists.txt
+
+# psn_server executable
+add_executable(psn_server
+    vs2015/psn_server/psn_server.cpp
+)
+
+target_link_libraries(psn_server PRIVATE psn)
+
+# psn_client executable
+add_executable(psn_client
+    vs2015/psn_client/psn_client.cpp
+)
+
+target_link_libraries(psn_client PRIVATE psn)
+
+# psn_glut_client executable (optional - requires GLUT and OpenGL)
+find_package(OpenGL)
+find_package(GLUT)
+
+if(OpenGL_FOUND AND GLUT_FOUND)
+    add_executable(psn_glut_client
+        vs2015/psn_glut_client/psn_glut_client.cpp
+    )
+
+    target_link_libraries(psn_glut_client PRIVATE psn OpenGL::GL GLUT::GLUT)
+    target_include_directories(psn_glut_client PRIVATE ${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIR})
+
+    # macOS specific: no need to copy DLL files
+    # Windows would need post-build copy for glut32.dll or glut64.dll
+
+    message(STATUS "Building psn_glut_client (OpenGL visualizer)")
+else()
+    if(NOT OpenGL_FOUND)
+        message(WARNING "OpenGL not found - skipping psn_glut_client")
+    endif()
+    if(NOT GLUT_FOUND)
+        message(WARNING "GLUT not found - skipping psn_glut_client")
+    endif()
+endif()

examples/vs2015/psn_client/psn_client.cpp

@@ -30,7 +30,15 @@
 
 #include <iostream>
 
-void main( void )
+// Platform-specific sleep function
+#ifdef _WIN32
+    #define SLEEP_MS(ms) Sleep(ms)
+#else
+    #include <unistd.h>
+    #define SLEEP_MS(ms) usleep((ms) * 1000)
+#endif
+
+int main( void )
 {
     wsa_session session ;
 
@@ -46,9 +54,9 @@ void main( void )
 
     //====================================================
     // Main loop
-    while ( 1 ) 
+    while ( 1 )
     {
-        Sleep( 1 ) ;
+        SLEEP_MS( 1 ) ;
 
         // Update Client
         ::std::string msg ;
@@ -114,6 +122,6 @@ void main( void )
             }
         }
     }
-}
-
 
+    return 0 ;
+}

examples/vs2015/psn_glut_client/psn_glut_client.cpp

@@ -39,9 +39,24 @@
 #include <windows.h>
 #endif
 
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include <GL/glut.h>
+// Platform-specific sleep function
+#ifdef _WIN32
+    #define SLEEP_MS(ms) Sleep(ms)
+#else
+    #include <unistd.h>
+    #define SLEEP_MS(ms) usleep((ms) * 1000)
+#endif
+
+// Platform-specific OpenGL headers
+#ifdef __APPLE__
+    #include <OpenGL/gl.h>
+    #include <OpenGL/glu.h>
+    #include <GLUT/glut.h>
+#else
+    #include <GL/gl.h>
+    #include <GL/glu.h>
+    #include <GL/glut.h>
+#endif
 
 #define PI_DEF   3.1415926535897932384626433832795f
 
@@ -261,7 +276,7 @@ idle( void )
         ::std::cout << "\n-----------------------------------------------" << ::std::endl ;
     }
 
-    Sleep( 10 ) ; 
+    SLEEP_MS( 10 ) ;
 
     // schedule GL update
     glutPostRedisplay() ;

examples/vs2015/psn_server/psn_server.cpp

@@ -31,7 +31,15 @@
 #include <list>
 #include <string>
 
-void main( void )
+// Platform-specific sleep function
+#ifdef _WIN32
+    #define SLEEP_MS(ms) Sleep(ms)
+#else
+    #include <unistd.h>
+    #define SLEEP_MS(ms) usleep((ms) * 1000)
+#endif
+
+int main( void )
 {
     wsa_session session ;
 
@@ -120,7 +128,9 @@ void main( void )
             ::std::cout << "-----------------------------------------------" << ::std::endl ;
         }
 
-        Sleep( 1 ) ;
-        timestamp++ ;    
+        SLEEP_MS( 1 ) ;
+        timestamp++ ;
     }
+
+    return 0 ;
 }

include/utils/udp_socket.h

@@ -27,10 +27,14 @@ THE SOFTWARE.
 #ifndef UDP_SOCKET_H
 #define UDP_SOCKET_H
 
+// Platform detection - include appropriate implementation
+#ifdef _WIN32
+
+// Windows implementation
 #include <WinSock2.h>
 #include <Ws2tcpip.h>
 
-#pragma message("Note: including lib: Ws2_32.lib") 
+#pragma message("Note: including lib: Ws2_32.lib")
 #pragma comment(lib, "Ws2_32.lib")
 
 #include <string>
@@ -49,7 +53,7 @@ class wsa_session
         WSACleanup() ;
     }
 
-  private : 
+  private :
 
     WSAData data_ ;
 } ;
@@ -59,7 +63,7 @@ class udp_socket
 {
   public :
 
-	udp_socket( void ) 
+	udp_socket( void )
 	{
 		// UDP socket
 		socket_ = socket( AF_INET , SOCK_DGRAM , IPPROTO_UDP ) ;
@@ -69,7 +73,7 @@ class udp_socket
 		ioctlsocket( socket_ , FIONBIO , &arg ) ;
 	}
 
-	~udp_socket( void ) 
+	~udp_socket( void )
 	{
 		closesocket( socket_ ) ;
 	}
@@ -80,7 +84,7 @@ class udp_socket
         add.sin_family = AF_INET ;
         InetPton( AF_INET , address.c_str() , &add.sin_addr.s_addr ) ;
         add.sin_port = htons( port ) ;
-        
+
 		if ( sendto( socket_ , message.c_str() , (int)message.length() , 0 , reinterpret_cast<SOCKADDR *>( &add ) , sizeof( add ) ) > 0 )
 			return true ;
 
@@ -117,52 +121,59 @@ class udp_socket
 		return false ;
     }
 
-	bool enable_send_message_multicast( void ) 
+	bool enable_send_message_multicast( void )
 	{
 		struct in_addr add ;
 		add.s_addr = INADDR_ANY ;
 
-		int result = setsockopt( socket_ , 
-						   IPPROTO_IP , 
-						   IP_MULTICAST_IF , 
-						   (const char*)&add , 
+		int result = setsockopt( socket_ ,
+						   IPPROTO_IP ,
+						   IP_MULTICAST_IF ,
+						   (const char*)&add ,
 						   sizeof( add ) ) ;
-		return ( result != SOCKET_ERROR ) ; 
+		return ( result != SOCKET_ERROR ) ;
 	}
 
-	bool join_multicast_group( const ::std::string & ip_group ) 
+	bool join_multicast_group( const ::std::string & ip_group )
 	{
-		struct ip_mreq imr; 
-        
+		struct ip_mreq imr;
+
         InetPton( AF_INET , ip_group.c_str() , &imr.imr_multiaddr.s_addr ) ;
 		imr.imr_interface.s_addr = INADDR_ANY ;
 
-		int result = setsockopt( socket_ , 
-						   IPPROTO_IP , 
-						   IP_ADD_MEMBERSHIP , 
-						   (char*) &imr , 
+		int result = setsockopt( socket_ ,
+						   IPPROTO_IP ,
+						   IP_ADD_MEMBERSHIP ,
+						   (char*) &imr ,
 						   sizeof(struct ip_mreq) ) ;
-		return ( result != SOCKET_ERROR ) ; 
+		return ( result != SOCKET_ERROR ) ;
 	}
 
-	bool leave_multicast_group( const ::std::string & ip_group ) 
+	bool leave_multicast_group( const ::std::string & ip_group )
 	{
 		struct ip_mreq imr;
-        
+
         InetPton( AF_INET , ip_group.c_str() , &imr.imr_multiaddr.s_addr ) ;
 		imr.imr_interface.s_addr = INADDR_ANY ;
 
-		int result = setsockopt( socket_ , 
-						   IPPROTO_IP , 
+		int result = setsockopt( socket_ ,
+						   IPPROTO_IP ,
 						   IP_DROP_MEMBERSHIP ,
-						   (char*) &imr , 
+						   (char*) &imr ,
 						   sizeof(struct ip_mreq) ) ;
-		return ( result != SOCKET_ERROR ) ; 
+		return ( result != SOCKET_ERROR ) ;
 	}
 
   private :
 
-	SOCKET		socket_ ; 
+	SOCKET		socket_ ;
 } ;
 
+#else
+
+// POSIX implementation (macOS, Linux, etc.)
+#include "udp_socket_posix.h"
+
+#endif
+
 #endif