From f364c2cef341a6344ecf6ff576516642d2b3f71c Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Tue, 6 Oct 2020 17:31:58 +0200
Subject: [PATCH] Include OS in User Agent.

---
 profiler/src/HttpRequest.cpp | 69 +++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

diff --git a/profiler/src/HttpRequest.cpp b/profiler/src/HttpRequest.cpp
index 98991bb3..81fd1a4f 100644
--- a/profiler/src/HttpRequest.cpp
+++ b/profiler/src/HttpRequest.cpp
@@ -7,14 +7,81 @@
 #include "../server/TracyVersion.hpp"
 #include "HttpRequest.hpp"
 
+#if defined _WIN32 || defined __CYGWIN__
+#  include <windows.h>
+extern "C" typedef LONG (WINAPI *t_RtlGetVersion)( PRTL_OSVERSIONINFOW );
+#elif defined __linux__
+#  include <sys/utsname.h>
+#elif defined __APPLE__
+#  include "TargetConditionals.h"
+#endif
+
 static constexpr char CRLF[2] = { '\r', '\n' };
 
+static const char* GetOsInfo()
+{
+    static char buf[1024];
+#if defined _WIN32 || defined __CYGWIN__
+    t_RtlGetVersion RtlGetVersion = (t_RtlGetVersion)GetProcAddress( GetModuleHandleA( "ntdll.dll" ), "RtlGetVersion" );
+    if( !RtlGetVersion )
+    {
+#  ifdef __CYGWIN__
+        sprintf( buf, "Windows (Cygwin)" );
+#  elif defined __MINGW32__
+        sprintf( buf, "Windows (MingW)" );
+#  else
+        sprintf( buf, "Windows" );
+#  endif
+    }
+    else
+    {
+        RTL_OSVERSIONINFOW ver = { sizeof( RTL_OSVERSIONINFOW ) };
+        RtlGetVersion( &ver );
+
+#  ifdef __CYGWIN__
+        sprintf( buf, "Windows %i.%i.%i (Cygwin)", ver.dwMajorVersion, ver.dwMinorVersion, ver.dwBuildNumber );
+#  elif defined __MINGW32__
+        sprintf( buf, "Windows %i.%i.%i (MingW)", (int)ver.dwMajorVersion, (int)ver.dwMinorVersion, (int)ver.dwBuildNumber );
+#  else
+        sprintf( buf, "Windows %i.%i.%i", ver.dwMajorVersion, ver.dwMinorVersion, ver.dwBuildNumber );
+#  endif
+    }
+#elif defined __linux__
+    struct utsname utsName;
+    uname( &utsName );
+#  if defined __ANDROID__
+    sprintf( buf, "Linux %s (Android)", utsName.release );
+#  else
+    sprintf( buf, "Linux %s", utsName.release );
+#  endif
+#elif defined __APPLE__
+#  if TARGET_OS_IPHONE == 1
+    sprintf( buf, "Darwin (iOS)" );
+#  elif TARGET_OS_MAC == 1
+    sprintf( buf, "Darwin (OSX)" );
+#  else
+    sprintf( buf, "Darwin (unknown)" );
+#  endif
+#elif defined __DragonFly__
+    sprintf( buf, "BSD (DragonFly)" );
+#elif defined __FreeBSD__
+    sprintf( buf, "BSD (FreeBSD)" );
+#elif defined __NetBSD__
+    sprintf( buf, "BSD (NetBSD)" );
+#elif defined __OpenBSD__
+    sprintf( buf, "BSD (OpenBSD)" );
+#else
+    sprintf( buf, "unknown" );
+#endif
+    return buf;
+}
+
 void HttpRequest( const char* server, const char* resource, int port, std::function<void(int, char*)> cb )
 {
     tracy::Socket sock;
     if( !sock.ConnectBlocking( server, port ) ) return;
     char request[4096];
-    const auto len = sprintf( request, "GET %s HTTP/1.1\r\nHost: %s\r\nUser-Agent: Tracy Profiler %i.%i.%i\r\nConnection: close\r\nCache-Control: no-cache, no-store, must-revalidate\r\n\r\n", resource, server, tracy::Version::Major, tracy::Version::Minor, tracy::Version::Patch );
+    const auto len = sprintf( request, "GET %s HTTP/1.1\r\nHost: %s\r\nUser-Agent: Tracy Profiler %i.%i.%i (%s)\r\nConnection: close\r\nCache-Control: no-cache, no-store, must-revalidate\r\n\r\n", resource, server, tracy::Version::Major, tracy::Version::Minor, tracy::Version::Patch, GetOsInfo() );
     sock.Send( request, len );
     char response[4096];
     const auto sz = sock.ReadUpTo( response, 4096, 15 );