Remove unused or obsolete classes and files

src/ripple/beast/core/SystemStats.cpp

@@ -0,0 +1,116 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Portions of this file are from JUCE.
+    Copyright (c) 2013 - Raw Material Software Ltd.
+    Please visit http://www.juce.com
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/beast/core/HeapBlock.h>
+#include <cstdlib>
+#include <iterator>
+#include <memory>
+
+// Some basic tests, to keep an eye on things and make sure these types work ok
+// on all platforms.
+
+static_assert (sizeof (std::intptr_t) == sizeof (void*), "std::intptr_t must be the same size as void*");
+
+static_assert (sizeof (std::int8_t) == 1,   "std::int8_t must be exactly 1 byte!");
+static_assert (sizeof (std::int16_t) == 2,  "std::int16_t must be exactly 2 bytes!");
+static_assert (sizeof (std::int32_t) == 4,  "std::int32_t must be exactly 4 bytes!");
+static_assert (sizeof (std::int64_t) == 8,  "std::int64_t must be exactly 8 bytes!");
+
+static_assert (sizeof (std::uint8_t) == 1,  "std::uint8_t must be exactly 1 byte!");
+static_assert (sizeof (std::uint16_t) == 2, "std::uint16_t must be exactly 2 bytes!");
+static_assert (sizeof (std::uint32_t) == 4, "std::uint32_t must be exactly 4 bytes!");
+static_assert (sizeof (std::uint64_t) == 8, "std::uint64_t must be exactly 8 bytes!");
+
+namespace beast
+{
+//==============================================================================
+std::vector <std::string>
+getStackBacktrace()
+{
+    std::vector <std::string> result;
+
+#if BEAST_ANDROID || BEAST_MINGW || BEAST_BSD
+    assert(false); // sorry, not implemented yet!
+
+#elif BEAST_WINDOWS
+    HANDLE process = GetCurrentProcess();
+    SymInitialize (process, nullptr, TRUE);
+
+    void* stack[128];
+    int frames = (int) CaptureStackBackTrace (0,
+        std::distance(std::begin(stack), std::end(stack)),
+        stack, nullptr);
+
+    HeapBlock<SYMBOL_INFO> symbol;
+    symbol.calloc (sizeof (SYMBOL_INFO) + 256, 1);
+    symbol->MaxNameLen = 255;
+    symbol->SizeOfStruct = sizeof (SYMBOL_INFO);
+
+    for (int i = 0; i < frames; ++i)
+    {
+        DWORD64 displacement = 0;
+
+        if (SymFromAddr (process, (DWORD64) stack[i], &displacement, symbol))
+        {
+            std::string frame;
+
+            frame.append (std::to_string (i) + ": ");
+
+            IMAGEHLP_MODULE64 moduleInfo;
+            zerostruct (moduleInfo);
+            moduleInfo.SizeOfStruct = sizeof (moduleInfo);
+
+            if (::SymGetModuleInfo64 (process, symbol->ModBase, &moduleInfo))
+            {
+                frame.append (moduleInfo.ModuleName);
+                frame.append (": ");
+            }
+
+            frame.append (symbol->Name);
+
+            if (displacement)
+            {
+                frame.append ("+");
+                frame.append (std::to_string (displacement));
+            }
+
+            result.push_back (frame);
+        }
+    }
+
+#else
+    void* stack[128];
+    int frames = backtrace (stack,
+        std::distance(std::begin(stack), std::end(stack)));
+
+    std::unique_ptr<char*[], void(*)(void*)> frame (
+        backtrace_symbols (stack, frames), std::free);
+
+    for (int i = 0; i < frames; ++i)
+        result.push_back (frame[i]);
+#endif
+
+    return result;
+}
+
+} // beast