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|
/*****************************************************************
|
| Neptune - Network
|
| Copyright (c) 2002-2008, Axiomatic Systems, LLC.
| All rights reserved.
|
| Redistribution and use in source and binary forms, with or without
| modification, are permitted provided that the following conditions are met:
| * Redistributions of source code must retain the above copyright
| notice, this list of conditions and the following disclaimer.
| * Redistributions in binary form must reproduce the above copyright
| notice, this list of conditions and the following disclaimer in the
| documentation and/or other materials provided with the distribution.
| * Neither the name of Axiomatic Systems nor the
| names of its contributors may be used to endorse or promote products
| derived from this software without specific prior written permission.
|
| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
| DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
****************************************************************/
#ifndef _NPT_NETWORK_H_
#define _NPT_NETWORK_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "NptTypes.h"
#include "NptConstants.h"
#include "NptStrings.h"
#include "NptList.h"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const unsigned int NPT_NETWORK_MAX_MAC_ADDRESS_LENGTH = 8;
/*----------------------------------------------------------------------
| flags
+---------------------------------------------------------------------*/
#define NPT_NETWORK_INTERFACE_FLAG_LOOPBACK 0x01
#define NPT_NETWORK_INTERFACE_FLAG_PROMISCUOUS 0x02
#define NPT_NETWORK_INTERFACE_FLAG_BROADCAST 0x04
#define NPT_NETWORK_INTERFACE_FLAG_MULTICAST 0x08
#define NPT_NETWORK_INTERFACE_FLAG_POINT_TO_POINT 0x10
/*----------------------------------------------------------------------
| workarounds
+---------------------------------------------------------------------*/
#if defined(_WIN32)
#if defined(SetPort)
#undef SetPort
#endif
#endif
/*----------------------------------------------------------------------
| types
+---------------------------------------------------------------------*/
typedef unsigned int NPT_IpPort;
/*----------------------------------------------------------------------
| NPT_IpAddress
+---------------------------------------------------------------------*/
class NPT_IpAddress
{
public:
// constants
typedef enum {
IPV4,
IPV6
} Type;
// class members
static const NPT_IpAddress Any;
static const NPT_IpAddress Loopback;
// constructors and destructor
NPT_IpAddress();
NPT_IpAddress(Type type);
NPT_IpAddress(unsigned long address);
NPT_IpAddress(unsigned char a, unsigned char b, unsigned char c, unsigned char d);
NPT_IpAddress(Type type, const unsigned char* address, unsigned int size, NPT_UInt32 scope_id = 0);
// accessors
Type GetType() const { return m_Type; }
NPT_UInt32 GetScopeId() const { return m_ScopeId; }
// methods
NPT_Result ResolveName(const char* name,
NPT_Timeout timeout = NPT_TIMEOUT_INFINITE);
NPT_Result Parse(const char* name);
NPT_Result Set(unsigned long address);
NPT_Result Set(const unsigned char bytes[4]);
NPT_Result Set(const unsigned char* bytes, unsigned int size, NPT_UInt32 scope_id = 0);
const unsigned char* AsBytes() const;
unsigned long AsLong() const;
NPT_String ToString() const;
NPT_String ToUrlHost() const;
// address properties
bool IsUnspecified() const;
bool IsLooppack() const;
bool IsV4Compatible() const;
bool IsV4Mapped() const;
bool IsLinkLocal() const;
bool IsSiteLocal() const;
bool IsUniqueLocal() const;
bool IsMulticast() const;
// operators
bool operator==(const NPT_IpAddress& other) const;
// FIXME: temporary
NPT_String m_HostName;
private:
// members
Type m_Type;
unsigned char m_Address[16];
NPT_UInt32 m_ScopeId; // IPv6 only
};
/*----------------------------------------------------------------------
| NPT_MacAddress
+---------------------------------------------------------------------*/
class NPT_MacAddress
{
public:
// typedef enum
typedef enum {
TYPE_UNKNOWN,
TYPE_LOOPBACK,
TYPE_ETHERNET,
TYPE_PPP,
TYPE_IEEE_802_11
} Type;
// constructors and destructor
NPT_MacAddress() : m_Type(TYPE_UNKNOWN), m_Length(0) {}
NPT_MacAddress(Type type,
const unsigned char* addr,
unsigned int length);
// methods
void SetAddress(Type type, const unsigned char* addr,
unsigned int length);
Type GetType() const { return m_Type; }
const unsigned char* GetAddress() const { return m_Address; }
unsigned int GetLength() const { return m_Length; }
NPT_String ToString() const;
private:
// members
Type m_Type;
unsigned char m_Address[NPT_NETWORK_MAX_MAC_ADDRESS_LENGTH];
unsigned int m_Length;
};
/*----------------------------------------------------------------------
| NPT_NetworkInterfaceAddress
+---------------------------------------------------------------------*/
class NPT_NetworkInterfaceAddress
{
public:
// constructors and destructor
NPT_NetworkInterfaceAddress(const NPT_IpAddress& primary,
const NPT_IpAddress& broadcast,
const NPT_IpAddress& destination,
const NPT_IpAddress& netmask) :
m_PrimaryAddress(primary),
m_BroadcastAddress(broadcast),
m_DestinationAddress(destination),
m_NetMask(netmask) {}
// methods
const NPT_IpAddress& GetPrimaryAddress() const {
return m_PrimaryAddress;
}
const NPT_IpAddress& GetBroadcastAddress() const {
return m_BroadcastAddress;
}
const NPT_IpAddress& GetDestinationAddress() const {
return m_DestinationAddress;
}
const NPT_IpAddress& GetNetMask() const {
return m_NetMask;
}
bool IsAddressInNetwork(const NPT_IpAddress& address) {
if (m_PrimaryAddress.AsLong() == address.AsLong()) return true;
if (m_NetMask.AsLong() == 0) return false;
return (m_PrimaryAddress.AsLong() & m_NetMask.AsLong()) == (address.AsLong() & m_NetMask.AsLong());
}
private:
// members
NPT_IpAddress m_PrimaryAddress;
NPT_IpAddress m_BroadcastAddress;
NPT_IpAddress m_DestinationAddress;
NPT_IpAddress m_NetMask;
};
/*----------------------------------------------------------------------
| NPT_NetworkInterface
+---------------------------------------------------------------------*/
class NPT_NetworkInterface
{
public:
// class methods
static NPT_Result GetNetworkInterfaces(NPT_List<NPT_NetworkInterface*>& interfaces);
// constructors and destructor
NPT_NetworkInterface(const char* name,
const NPT_MacAddress& mac,
NPT_Flags flags);
NPT_NetworkInterface(const char* name,
NPT_Flags flags);
~NPT_NetworkInterface() {}
// methods
NPT_Result AddAddress(const NPT_NetworkInterfaceAddress& address);
const NPT_String& GetName() const {
return m_Name;
}
const NPT_MacAddress& GetMacAddress() const {
return m_MacAddress;
}
void SetMacAddress(NPT_MacAddress::Type type,
const unsigned char* addr,
unsigned int length) {
m_MacAddress.SetAddress(type, addr, length);
}
NPT_Flags GetFlags() const { return m_Flags; }
const NPT_List<NPT_NetworkInterfaceAddress>& GetAddresses() const {
return m_Addresses;
}
bool IsAddressInNetwork(const NPT_IpAddress& address) {
NPT_List<NPT_NetworkInterfaceAddress>::Iterator iter = m_Addresses.GetFirstItem();
while (iter) {
if ((*iter).IsAddressInNetwork(address)) return true;
++iter;
}
return false;
}
private:
// members
NPT_String m_Name;
NPT_MacAddress m_MacAddress;
NPT_Flags m_Flags;
NPT_List<NPT_NetworkInterfaceAddress> m_Addresses;
};
/*----------------------------------------------------------------------
| NPT_NetworkNameResolver
+---------------------------------------------------------------------*/
class NPT_NetworkNameResolver
{
public:
// class methods
static NPT_Result Resolve(const char* name,
NPT_List<NPT_IpAddress>& addresses,
NPT_Timeout timeout = NPT_TIMEOUT_INFINITE);
};
#endif // _NPT_NETWORK_H_
|
