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111 lines
2.8 KiB
111 lines
2.8 KiB
/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <net/outputmessage.h>
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OutputMessage::OutputMessage()
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{
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reset();
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}
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void OutputMessage::reset()
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{
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m_writePos = DATA_POS;
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m_messageSize = 0;
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}
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void OutputMessage::addU8(uint8 value)
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{
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if(!canWrite(1))
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return;
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m_buffer[m_writePos] = value;
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m_writePos += 1;
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m_messageSize += 1;
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}
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void OutputMessage::addU16(uint16 value)
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{
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if(!canWrite(2))
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return;
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*(uint16_t*)(m_buffer + m_writePos) = value;
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m_writePos += 2;
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m_messageSize += 2;
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}
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void OutputMessage::addU32(uint32 value)
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{
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if(!canWrite(4))
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return;
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*(uint32*)(m_buffer + m_writePos) = value;
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m_writePos += 4;
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m_messageSize += 4;
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}
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void OutputMessage::addU64(uint64 value)
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{
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if(!canWrite(8))
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return;
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*(uint64*)(m_buffer + m_writePos) = value;
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m_writePos += 8;
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m_messageSize += 8;
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}
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void OutputMessage::addString(const char* value)
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{
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size_t stringLength = strlen(value);
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if(stringLength > 0xFFFF || !canWrite(stringLength + 2))
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return;
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addU16(stringLength);
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strcpy((char*)(m_buffer + m_writePos), value);
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m_writePos += stringLength;
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m_messageSize += stringLength;
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}
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void OutputMessage::addString(const std::string &value)
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{
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addString(value.c_str());
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}
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void OutputMessage::addPaddingBytes(int bytes, uint8 byte)
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{
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if(!canWrite(bytes))
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return;
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memset((void*)&m_buffer[m_writePos], byte, bytes);
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m_writePos += bytes;
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m_messageSize += bytes;
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}
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bool OutputMessage::canWrite(int bytes)
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{
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if(m_writePos + bytes > BUFFER_MAXSIZE)
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logFatal("[OutputMessage::canWrite()]: Can't write. Write position has reached buffer's maxium size.");
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return true;
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}
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