1 files changed, 75 insertions, 1 deletions

diff --git a/src/server/shared/Packets/ByteBuffer.cpp b/src/server/shared/Packets/ByteBuffer.cpp
index f9860f273ed..a4ab6e1daf7 100644
--- a/src/server/shared/Packets/ByteBuffer.cpp
+++ b/src/server/shared/Packets/ByteBuffer.cpp
@@ -17,11 +17,13 @@
  */
 
 #include "ByteBuffer.h"
+#include "Errors.h"
 #include "MessageBuffer.h"
 #include "Common.h"
 #include "Log.h"
-
+#include "Util.h"
 #include <sstream>
+#include <ctime>
 
 ByteBuffer::ByteBuffer(MessageBuffer&& buffer) : _rpos(0), _wpos(0), _storage(buffer.Move())
 {
@@ -51,6 +53,78 @@ ByteBufferSourceException::ByteBufferSourceException(size_t pos, size_t size,
     message().assign(ss.str());
 }
 
+ByteBuffer& ByteBuffer::operator>>(float& value)
+{
+    value = read<float>();
+    if (!std::isfinite(value))
+        throw ByteBufferException();
+    return *this;
+}
+
+ByteBuffer& ByteBuffer::operator>>(double& value)
+{
+    value = read<double>();
+    if (!std::isfinite(value))
+        throw ByteBufferException();
+    return *this;
+}
+
+uint32 ByteBuffer::ReadPackedTime()
+{
+    uint32 packedDate = read<uint32>();
+    tm lt = tm();
+
+    lt.tm_min = packedDate & 0x3F;
+    lt.tm_hour = (packedDate >> 6) & 0x1F;
+    //lt.tm_wday = (packedDate >> 11) & 7;
+    lt.tm_mday = ((packedDate >> 14) & 0x3F) + 1;
+    lt.tm_mon = (packedDate >> 20) & 0xF;
+    lt.tm_year = ((packedDate >> 24) & 0x1F) + 100;
+
+    return uint32(mktime(&lt));
+}
+
+void ByteBuffer::append(uint8 const* src, size_t cnt)
+{
+    ASSERT(src, "Attempted to put a NULL-pointer in ByteBuffer (pos: " SZFMTD " size: " SZFMTD ")", _wpos, size());
+    ASSERT(cnt, "Attempted to put a zero-sized value in ByteBuffer (pos: " SZFMTD " size: " SZFMTD ")", _wpos, size());
+    ASSERT(size() < 10000000);
+
+    size_t const newSize = _wpos + cnt;
+    if (_storage.capacity() < newSize) // custom memory allocation rules
+    {
+        if (newSize < 100)
+            _storage.reserve(300);
+        else if (newSize < 750)
+            _storage.reserve(2500);
+        else if (newSize < 6000)
+            _storage.reserve(10000);
+        else
+            _storage.reserve(400000);
+    }
+
+    if (_storage.size() < newSize)
+        _storage.resize(newSize);
+    std::memcpy(&_storage[_wpos], src, cnt);
+    _wpos = newSize;
+}
+
+void ByteBuffer::AppendPackedTime(time_t time)
+{
+    tm lt;
+    localtime_r(&time, &lt);
+    append<uint32>((lt.tm_year - 100) << 24 | lt.tm_mon << 20 | (lt.tm_mday - 1) << 14 | lt.tm_wday << 11 | lt.tm_hour << 6 | lt.tm_min);
+}
+
+void ByteBuffer::put(size_t pos, uint8 const* src, size_t cnt)
+{
+    ASSERT(pos + cnt <= size(), "Attempted to put value with size: " SZFMTD " in ByteBuffer (pos: " SZFMTD " size: " SZFMTD ")", cnt, pos, size());
+    ASSERT(src, "Attempted to put a NULL-pointer in ByteBuffer (pos: " SZFMTD " size: " SZFMTD ")", pos, size());
+    ASSERT(cnt, "Attempted to put a zero-sized value in ByteBuffer (pos: " SZFMTD " size: " SZFMTD ")", pos, size());
+
+    std::memcpy(&_storage[pos], src, cnt);
+}
+
 void ByteBuffer::print_storage() const
 {
     if (!sLog->ShouldLog("network", LOG_LEVEL_TRACE)) // optimize disabled trace output