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/*
* Packet.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* 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/>.
*/
#ifndef MAD_NET_PACKET_H_
#define MAD_NET_PACKET_H_
#include <cstdlib>
#include <cstring>
#include <netinet/in.h>
#include <stdint.h>
namespace Mad {
namespace Net {
class Packet {
public:
enum Type {
OK = 0x0000, ERROR = 0x0001, DISCONNECT = 0x0002, LOG = 0x0003,
GSSAPI_AUTH = 0x0010, IDENTIFY = 0x0011,
LIST_DAEMONS = 0x0020,
STATUS = 0x0030, DAEMON_STATUS = 0x0031, FS_INFO = 0x0032, DAEMON_FS_INFO = 0x0033,
COMMAND_SHUTDOWN = 0x0040, COMMAND_REBOOT = 0x0041,
DAEMON_COMMAND_SHUTDOWN = 0x0050, DAEMON_COMMAND_REBOOT = 0x0051,
DAEMON_STATE_UPDATE = 0x0060
};
struct Data {
uint16_t type;
uint16_t requestId;
uint16_t reserved;
uint16_t length;
uint8_t data[0];
};
protected:
Data *rawData;
void setLength(uint16_t length) {
rawData->length = htons(length);
rawData = (Data*)std::realloc(rawData, getRawDataLength());
}
public:
Packet(Type type, uint16_t requestId, const void *data = 0, uint16_t length = 0);
Packet(const Packet &p) {
rawData = (Data*)std::malloc(p.getRawDataLength());
std::memcpy(rawData, p.rawData, p.getRawDataLength());
}
virtual ~Packet() {
std::free(rawData);
}
Packet& operator=(const Packet &p);
Type getType() const {
return (Type)ntohs(rawData->type);
}
uint16_t getRequestId() const {
return ntohs(rawData->requestId);
}
uint16_t getLength() const {
return ntohs(rawData->length);
}
const uint8_t* getData() const {
return rawData->data;
}
const Data* getRawData() const {
return rawData;
}
unsigned long getRawDataLength() const {
return sizeof(Data) + ntohs(rawData->length);
}
static uint64_t htonll(uint64_t val);
static uint64_t ntohll(uint64_t val);
};
}
}
#endif /*MAD_NET_PACKET_H_*/
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