91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
|
/* The MIT License
|
||
|
|
*
|
||
|
|
* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#include <net/inputmessage.h>
|
||
|
|
|
||
|
|
InputMessage::InputMessage()
|
||
|
|
{
|
||
|
|
reset();
|
||
|
|
}
|
||
|
|
|
||
|
|
void InputMessage::reset()
|
||
|
|
{
|
||
|
|
m_readPos = 0;
|
||
|
|
m_messageSize = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8 InputMessage::getU8()
|
||
|
|
{
|
||
|
|
if(!canRead(1))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return m_buffer[m_readPos++];
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16 InputMessage::getU16()
|
||
|
|
{
|
||
|
|
if(!canRead(2))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
uint16 v = *(uint16_t*)(m_buffer + m_readPos);
|
||
|
|
m_readPos += 2;
|
||
|
|
return v;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32 InputMessage::getU32()
|
||
|
|
{
|
||
|
|
if(!canRead(4))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
uint32 v = *(uint32*)(m_buffer + m_readPos);
|
||
|
|
m_readPos += 4;
|
||
|
|
return v;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint64 InputMessage::getU64()
|
||
|
|
{
|
||
|
|
if(!canRead(8))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
uint64 v = *(uint64*)(m_buffer + m_readPos);
|
||
|
|
m_readPos += 8;
|
||
|
|
return v;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string InputMessage::getString()
|
||
|
|
{
|
||
|
|
uint16 stringLength = getU16();
|
||
|
|
if(!canRead(stringLength))
|
||
|
|
return std::string();
|
||
|
|
|
||
|
|
char* v = (char*)(m_buffer + m_readPos);
|
||
|
|
m_readPos += stringLength;
|
||
|
|
return std::string(v, stringLength);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool InputMessage::canRead(int bytes)
|
||
|
|
{
|
||
|
|
return (m_readPos + bytes <= m_messageSize) && (m_readPos + bytes <= BUFFER_MAXSIZE);
|
||
|
|
}
|