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#include "packets.hpp"
// packets.cpp - palatable socket buffer accessors
//
// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// 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, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; 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, see <http://www.gnu.org/licenses/>.
# include "../io/cxxstdio.hpp"
# include "../io/write.hpp"
#include "vomit.hpp"
#include "../poison.hpp"
size_t packet_avail(Session *s)
{
return RFIFOREST(s);
}
bool packet_fetch(Session *s, size_t offset, Byte *data, size_t sz)
{
if (RFIFOREST(s) < offset + sz)
return false;
const Byte *start = reinterpret_cast<const Byte *>(RFIFOP(s, offset));
const Byte *end = start + sz;
std::copy(start, end, data);
return true;
}
void packet_discard(Session *s, size_t sz)
{
RFIFOSKIP(s, sz);
}
bool packet_send(Session *s, const Byte *data, size_t sz)
{
WFIFOSET(s, sz);
Byte *end = reinterpret_cast<Byte *>(WFIFOP(s, 0));
Byte *start = end - sz;
std::copy(data, data + sz, start);
return true;
}
void packet_dump(io::WriteFile& logfp, Session *s)
{
FPRINTF(logfp,
"---- 00-01-02-03-04-05-06-07 08-09-0A-0B-0C-0D-0E-0F\n"_fmt);
char tmpstr[16 + 1] {};
int i;
for (i = 0; i < RFIFOREST(s); i++)
{
if ((i & 15) == 0)
FPRINTF(logfp, "%04X "_fmt, i);
FPRINTF(logfp, "%02x "_fmt, RFIFOB(s, i));
if (RFIFOB(s, i) > 0x1f)
tmpstr[i % 16] = RFIFOB(s, i);
else
tmpstr[i % 16] = '.';
if ((i - 7) % 16 == 0) // -8 + 1
FPRINTF(logfp, " "_fmt);
else if ((i + 1) % 16 == 0)
{
FPRINTF(logfp, " %s\n"_fmt, tmpstr);
std::fill(tmpstr + 0, tmpstr + 17, '\0');
}
}
if (i % 16 != 0)
{
for (int j = i; j % 16 != 0; j++)
{
FPRINTF(logfp, " "_fmt);
if ((j - 7) % 16 == 0) // -8 + 1
FPRINTF(logfp, " "_fmt);
}
FPRINTF(logfp, " %s\n"_fmt, tmpstr);
}
FPRINTF(logfp, "\n"_fmt);
}
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