NTP Class Reference

#include <NTP.h>

List of all members.

Public Member Functions
	NTP ()
virtual	~NTP ()
virtual OStatus	DoInit (const OSystemEvent &event)
virtual OStatus	DoStart (const OSystemEvent &event)
virtual OStatus	DoStop (const OSystemEvent &event)
virtual OStatus	DoDestroy (const OSystemEvent &event)
void	GetHostByNameCont (ANTENVMSG msg)
void	SendCont (ANTENVMSG msg)
void	ReceiveCont (ANTENVMSG msg)
Public Attributes
OSubject *	subject [numOfSubject]
OObserver *	observer [numOfObserver]
Private Member Functions
void	GetHostByName (char *hostname)
OStatus	InitUDPBuffer ()
OStatus	CreateUDPEndpoint ()
OStatus	CloseUDPEndpoint ()
OStatus	SendNTPPacket ()
OStatus	Send ()
OStatus	Receive ()
Private Attributes
antStackRef	ipstackRef
antModuleRef	dnsEndpoint
UDPConnection	connection
char	ntpserver [128]
Static Private Attributes
const longword	SECONDS_OF_100YEARS = 3155673600U

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Constructor & Destructor Documentation

NTP::NTP (   )

Definition at line 56 of file NTP.cc.

virtual NTP::~NTP (   )  [inline, virtual]

Definition at line 29 of file NTP.h.

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Member Function Documentation

OStatus NTP::CloseUDPEndpoint (   )  [private]

Definition at line 391 of file NTP.cc. Referenced by ReceiveCont(), and SendCont().

OStatus NTP::CreateUDPEndpoint (   )  [private]

Definition at line 353 of file NTP.cc. References connection, UDPConnection::endpoint, IP_ADDR_ANY(), ipstackRef, NTP_BUFFER_SIZE, and UDPConnection::state. Referenced by GetHostByNameCont().

OStatus NTP::DoDestroy (  const OSystemEvent &  event  )  [virtual]

Definition at line 120 of file NTP.cc.

OStatus NTP::DoInit (  const OSystemEvent &  event  )  [virtual]

Definition at line 61 of file NTP.cc.

OStatus NTP::DoStart (  const OSystemEvent &  event  )  [virtual]

Definition at line 68 of file NTP.cc. References dnsEndpoint, GetHostByName(), InitUDPBuffer(), ipstackRef, NTP_CONF_FILE, and ntpserver.

OStatus NTP::DoStop (  const OSystemEvent &  event  )  [virtual]

Definition at line 113 of file NTP.cc.

void NTP::GetHostByName (  char *  hostname  )  [private]

Definition at line 126 of file NTP.cc. References dnsEndpoint, and ipstackRef. Referenced by DoStart().

void NTP::GetHostByNameCont (  ANTENVMSG  msg  )

Definition at line 141 of file NTP.cc. References connection, CreateUDPEndpoint(), is_ipv4addr_dotted_decimal_notation(), UDPConnection::sendAddress, and SendNTPPacket().

OStatus NTP::InitUDPBuffer (   )  [private]

Definition at line 304 of file NTP.cc. References byte, connection, ipstackRef, NTP_BUFFER_SIZE, UDPConnection::recvBuffer, UDPConnection::recvData, UDPConnection::recvSize, UDPConnection::sendBuffer, UDPConnection::sendData, and UDPConnection::state. Referenced by DoStart().

OStatus NTP::Receive (   )  [private]

Definition at line 245 of file NTP.cc. References connection, UDPConnection::endpoint, ipstackRef, UDPConnection::recvData, and UDPConnection::recvSize. Referenced by SendCont().

void NTP::ReceiveCont (  ANTENVMSG  msg  )

Definition at line 261 of file NTP.cc. References byte, CloseUDPEndpoint(), connection, NTPMessage::data, GetTimeDifference(), longword, UDPConnection::recvData, UDPConnection::recvSize, sbyte, and SetTime().

OStatus NTP::Send (   )  [private]

Definition at line 203 of file NTP.cc. References connection, UDPConnection::endpoint, ipstackRef, UDPConnection::sendAddress, UDPConnection::sendData, UDPConnection::sendPort, UDPConnection::sendSize, and UDPConnection::state. Referenced by SendNTPPacket().

void NTP::SendCont (  ANTENVMSG  msg  )

Definition at line 224 of file NTP.cc. References CloseUDPEndpoint(), connection, Receive(), UDPConnection::recvSize, and UDPConnection::state.

OStatus NTP::SendNTPPacket (   )  [private]

Definition at line 189 of file NTP.cc. References byte, connection, Send(), UDPConnection::sendData, UDPConnection::sendPort, and UDPConnection::sendSize. Referenced by GetHostByNameCont().

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Member Data Documentation

UDPConnection NTP::connection [private]

Definition at line 56 of file NTP.h. Referenced by CreateUDPEndpoint(), GetHostByNameCont(), InitUDPBuffer(), Receive(), ReceiveCont(), Send(), SendCont(), and SendNTPPacket().

antModuleRef NTP::dnsEndpoint [private]

Definition at line 55 of file NTP.h. Referenced by DoStart(), and GetHostByName().

antStackRef NTP::ipstackRef [private]

Definition at line 54 of file NTP.h. Referenced by CreateUDPEndpoint(), DoStart(), GetHostByName(), InitUDPBuffer(), Receive(), and Send().

char NTP::ntpserver[128] [private]

Definition at line 57 of file NTP.h. Referenced by DoStart().

OObserver* NTP::observer[numOfObserver]

Definition at line 32 of file NTP.h.

const longword NTP::SECONDS_OF_100YEARS = 3155673600U [static, private]

Definition at line 44 of file NTP.h.

OSubject* NTP::subject[numOfSubject]

Definition at line 31 of file NTP.h.

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The documentation for this class was generated from the following files:

• NTP.h
• NTP.cc

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