* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Axel Dörfler, axeld@pinc-software.de
*/
#ifndef DHCP_CLIENT_H
#define DHCP_CLIENT_H
#include "AutoconfigClient.h"
#include <netinet/in.h>
#include <NetworkAddress.h>
class BMessageRunner;
struct dhcp_message;
struct socket_timeout;
enum dhcp_state {
INIT,
SELECTING,
INIT_REBOOT,
REBOOTING,
REQUESTING,
BOUND,
RENEWING,
REBINDING,
};
class DHCPClient : public AutoconfigClient {
public:
DHCPClient(BMessenger target,
const char* device);
virtual ~DHCPClient();
virtual status_t Start();
virtual void MessageReceived(BMessage* message);
private:
static status_t _NegotiatorThread(void* data);
status_t _Negotiate();
status_t _GotMessage(dhcp_state& state,
dhcp_message* message);
status_t _StateTransition(int socket, dhcp_state& state);
void _ParseOptions(dhcp_message& message,
BMessage& address,
BMessage& resolverConfiguration);
void _PrepareMessage(dhcp_message& message,
dhcp_state state);
status_t _SendMessage(int socket, dhcp_message& message,
const BNetworkAddress& address) const;
dhcp_state _CurrentState() const;
bool _TimeoutShift(int socket, dhcp_state& state,
socket_timeout& timeout);
void _RestartLease(bigtime_t lease);
static BString _AddressToString(const uint8* data);
static BString _AddressToString(in_addr_t address);
private:
BMessage fConfiguration;
BMessage fResolverConfiguration;
BMessageRunner* fRunner;
thread_id fNegotiateThread;
uint8 fMAC[6];
BString fHostName;
uint32 fTransactionID;
in_addr_t fAssignedAddress;
BNetworkAddress fServer;
bigtime_t fStartTime;
bigtime_t fRequestTime;
bigtime_t fRenewalTime;
bigtime_t fRebindingTime;
bigtime_t fLeaseTime;
status_t fStatus;
};
#endif
