WpcAdapter::WpcAdapterInfo Class Reference

smart pointer to libpcap's structure pcap_t More...

Inheritance diagram for WpcAdapter::WpcAdapterInfo:

List of all members.

Public Member Functions
	WpcAdapterInfo (string name)
	Create new WpcAdapterInfo object with given name.
	~WpcAdapterInfo ()
virtual WpcAdapter::WpcAdapterInfo *	AddRef ()
	Lock the resource Increases references count to the interface, and initialize interface for first use.
int	Release ()
	Free locked resource Decreases references count to the interface, and close interface on last use.
bool	IsUsed ()
	Returns true if adapter in use, false otherwise.
	operator pcap_t * ()
	Returns the libpcap's object.
pcap_t *	c_obj ()
	Returns the libpcap's object.
pcap_t const *	c_obj () const
	Returns the libpcap's constant object.
string	GetIfaceDesc ()
	Gets interface description.
void	SetIfaceDesc (string desc)
	Sets interface description.
string	GetErrorMsg ()
	Gets error description.
void	SetIfaceFlags (u_int flags)
	Sets interface flags.
u_int	GetIfaceFlags ()
	Gets interface flags.
void	WpcCopyAddrs (pcap_addr *src)
	copy list of the pcap_addr to new location
WpcAddressList *	GetAddrs ()
	copy list of the pcap_addr to new location
void	StartCapture (WpcAdapter *receiver)
	Adds WpcAdapter to the receivers list.
void	StopCapture (WpcAdapter *receiver)
	Removes WpcAdapter from the receivers list.
Protected Member Functions
virtual DWORD	Entry (LPVOID arg)
	Thread function to process capture loop.
Static Protected Member Functions
static void	PacketHandler (u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)
	Callback function invoked by libpcap for every incoming packet.
Protected Attributes
string	m_name
	Symbolic interface name.
pcap_t *	m_iface
	Inherited libpcap's interface object.
u_int	m_flags
	Flags of the interface, provided by libpcap.
WpcAddressList	m_addrs
	List of the addresses, assigned to the interface.
int	m_refCount
	Counter of object usage.
char	m_errbuf [PCAP_ERRBUF_SIZE]
	Buffer for the libpcap error messages.
string	m_description
	Human readable interface name.
vector< WpcAdapter * >	m_recvList
	Receivers list.
PtMutex	m_recvMutex
	Control access to the receivers list.

---

Detailed Description

smart pointer to libpcap's structure pcap_t

WpcAdapterInfo wraps the libpcap's C structure pcap_t, and provide operations to multiple access to adapter.

---

Constructor & Destructor Documentation

WpcAdapter::WpcAdapterInfo::WpcAdapterInfo

(

string

name

)

Create new WpcAdapterInfo object with given name.

WpcAdapter::WpcAdapterInfo::~WpcAdapterInfo

(

)

---

Member Function Documentation

WpcAdapter::WpcAdapterInfo * WpcAdapter::WpcAdapterInfo::AddRef

(

)

[virtual]

Lock the resource Increases references count to the interface, and initialize interface for first use.

pcap_t const* WpcAdapter::WpcAdapterInfo::c_obj

(

)

const [inline]

Returns the libpcap's constant object.

pcap_t* WpcAdapter::WpcAdapterInfo::c_obj

(

)

[inline]

Returns the libpcap's object.

DWORD WpcAdapter::WpcAdapterInfo::Entry

(

LPVOID

arg

)

[protected, virtual]

Thread function to process capture loop.

Reimplemented from PtThread.

WpcAddressList* WpcAdapter::WpcAdapterInfo::GetAddrs

(

)

[inline]

copy list of the pcap_addr to new location

string WpcAdapter::WpcAdapterInfo::GetErrorMsg

(

)

[inline]

Gets error description.

string WpcAdapter::WpcAdapterInfo::GetIfaceDesc

(

)

[inline]

Gets interface description.

u_int WpcAdapter::WpcAdapterInfo::GetIfaceFlags

(

)

[inline]

Gets interface flags.

bool WpcAdapter::WpcAdapterInfo::IsUsed

(

)

[inline]

Returns true if adapter in use, false otherwise.

WpcAdapter::WpcAdapterInfo::operator pcap_t *

(

)

[inline]

Returns the libpcap's object.

void WpcAdapter::WpcAdapterInfo::PacketHandler	(	u_char *	param,
		const struct pcap_pkthdr *	header,
		const u_char *	pkt_data
	)			[static, protected]

Callback function invoked by libpcap for every incoming packet.

int WpcAdapter::WpcAdapterInfo::Release

(

)

Free locked resource Decreases references count to the interface, and close interface on last use.

void WpcAdapter::WpcAdapterInfo::SetIfaceDesc

(

string

desc

)

[inline]

Sets interface description.

void WpcAdapter::WpcAdapterInfo::SetIfaceFlags

(

u_int

flags

)

[inline]

Sets interface flags.

void WpcAdapter::WpcAdapterInfo::StartCapture

(

WpcAdapter *

receiver

)

Adds WpcAdapter to the receivers list.

Starts the capture loop if it doesn't started yet.

void WpcAdapter::WpcAdapterInfo::StopCapture

(

WpcAdapter *

receiver

)

Removes WpcAdapter from the receivers list.

Stops the capture loop if no active receivers.

void WpcAdapter::WpcAdapterInfo::WpcCopyAddrs

(

pcap_addr *

src

)

copy list of the pcap_addr to new location

---

Member Data Documentation

WpcAddressList WpcAdapter::WpcAdapterInfo::m_addrs [protected]

List of the addresses, assigned to the interface.

string WpcAdapter::WpcAdapterInfo::m_description [protected]

Human readable interface name.

char WpcAdapter::WpcAdapterInfo::m_errbuf[PCAP_ERRBUF_SIZE] [protected]

Buffer for the libpcap error messages.

u_int WpcAdapter::WpcAdapterInfo::m_flags [protected]

Flags of the interface, provided by libpcap.

pcap_t* WpcAdapter::WpcAdapterInfo::m_iface [protected]

Inherited libpcap's interface object.

string WpcAdapter::WpcAdapterInfo::m_name [protected]

Symbolic interface name.

vector<WpcAdapter*> WpcAdapter::WpcAdapterInfo::m_recvList [protected]

Receivers list.

PtMutex WpcAdapter::WpcAdapterInfo::m_recvMutex [protected]

Control access to the receivers list.

int WpcAdapter::WpcAdapterInfo::m_refCount [protected]

Counter of object usage.