zaela-Server/common/base_packet.cpp

/*	EQEMu: Everquest Server Emulator
	Copyright (C) 2001-2006 EQEMu Development Team (http://eqemulator.net)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; version 2 of the License.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY except by those people which sell it, which
	are required to give you total support for your newly bought product;
	without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	A PARTICULAR PURPOSE. See the GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include "global_define.h"
#include "base_packet.h"
#include "misc.h"
#include "packet_dump.h"

BasePacket::BasePacket(const unsigned char *buf, uint32 len)
{
	this->pBuffer=nullptr;
	this->size=0;
	this->_wpos = 0;
	this->_rpos = 0;
	this->timestamp.tv_sec = 0;
	if (len>0) {
		this->size=len;
		pBuffer= new unsigned char[len];
		if (buf) {
			memcpy(this->pBuffer,buf,len);
		} else {
			memset(this->pBuffer,0,len);
		}
	}
}

BasePacket::BasePacket(SerializeBuffer &buf)
{
	pBuffer = buf.m_buffer;
	buf.m_buffer = nullptr;
	size = buf.m_pos;
	buf.m_pos = 0;
	buf.m_capacity = 0;
	_wpos = 0;
	_rpos = 0;
	timestamp.tv_sec = 0;
}

BasePacket::~BasePacket()
{
	if (pBuffer)
		delete[] pBuffer;
	pBuffer=nullptr;
}


void BasePacket::build_raw_header_dump(char *buffer, uint16 seq) const
{
	if (timestamp.tv_sec) {
		char temp[20];
		strftime(temp,20,"%F %T",localtime((const time_t *)&timestamp.tv_sec));
		buffer += sprintf(buffer, "%s.%06lu ",temp,timestamp.tv_usec);
	}
	if (src_ip) {
		std::string sIP,dIP;;
		sIP=long2ip(src_ip);
		dIP=long2ip(dst_ip);
		buffer += sprintf(buffer, "[%s:%d->%s:%d]\n",sIP.c_str(),src_port,dIP.c_str(),dst_port);
	}
	if (seq != 0xffff)
		buffer += sprintf(buffer, "[Seq=%u] ",seq);
}

void BasePacket::DumpRawHeader(uint16 seq, FILE *to) const
{
	char buff[128];
	build_raw_header_dump(buff, seq);
	fprintf(to, "%s", buff);
}

void BasePacket::build_header_dump(char *buffer) const
{
	sprintf(buffer, "[packet]\n");
}

void BasePacket::DumpRawHeaderNoTime(uint16 seq, FILE *to) const
{
	if (src_ip) {
		std::string sIP,dIP;;
		sIP=long2ip(src_ip);
		dIP=long2ip(dst_ip);
		fprintf(to, "[%s:%d->%s:%d] ",sIP.c_str(),src_port,dIP.c_str(),dst_port);
	}
	if (seq != 0xffff)
		fprintf(to, "[Seq=%u] ",seq);
}

void BasePacket::DumpRaw(FILE *to) const
{
	DumpRawHeader();
	if (pBuffer && size)
		dump_message_column(pBuffer, size, " ", to);
	fprintf(to, "\n");
}

void BasePacket::ReadString(char *str, uint32 Offset, uint32 MaxLength) const
{
	uint32 i = 0, j = Offset;

	do
	{
		str[i++] = pBuffer[j++];
	}
	while((j < size) && (i < MaxLength) && (str[i - 1] != 0));

	str[i - 1] = '\0';
}

void DumpPacketHex(const BasePacket* app)
{
	DumpPacketHex(app->pBuffer, app->size);
}

void DumpPacketAscii(const BasePacket* app)
{
	DumpPacketAscii(app->pBuffer, app->size);
}

void DumpPacketBin(const BasePacket* app) {
	DumpPacketBin(app->pBuffer, app->size);
}