SDK6 PROTOCOL CHANGE: Add client and server hostname set packets

NetworkProtocol.cpp

@@ -10,6 +10,16 @@
 \*---------------------------------------------------------*/
 
 #include <cstring>
+#include <iostream>
+
+#if defined(_WIN32) || defined(_WIN64)
+    #include <winsock2.h>
+    #pragma comment(lib, "ws2_32.lib")
+#else
+    #include <unistd.h>
+    #include <climits>
+#endif
+
 #include "NetworkProtocol.h"
 
 /*-----------------------------------------------------*\
@@ -17,6 +27,46 @@
 \*-----------------------------------------------------*/
 const char openrgb_sdk_magic[OPENRGB_SDK_MAGIC_SIZE] = { 'O', 'R', 'G', 'B' };
 
+std::string GetHostname()
+{
+    /*-----------------------------------------------------*\
+    | Determine maximum hostname limit or fallback to       |
+    | defensive size                                        |
+    \*-----------------------------------------------------*/
+    #if defined(HOST_NAME_MAX)
+        const size_t buffer_size = HOST_NAME_MAX + 1;
+    #else
+        const size_t buffer_size = 256; 
+    #endif
+
+    char buffer[buffer_size];
+
+    #if defined(_WIN32) || defined(_WIN64)
+        /*-------------------------------------------------*\
+        | Initialize Winsock data required on Windows       |
+        | before socket calls                               |
+        \*-------------------------------------------------*/
+        WSADATA wsa_data;
+        if(WSAStartup(MAKEWORD(2, 2), &wsa_data) != 0)
+        {
+            return "unknown";
+        }
+    #endif
+
+    std::string hostname = "unknown";
+
+    if(gethostname(buffer, sizeof(buffer)) == 0)
+    {
+        hostname = buffer;
+    }
+
+    #if defined(_WIN32) || defined(_WIN64)
+        WSACleanup();
+    #endif
+
+    return(hostname);
+}
+
 void InitNetPacketHeader
     (
     NetPacketHeader *   pkt_hdr,