ircd_connector Class Reference

Each connection has one or more of these each represents ONE outbound connection to another ircd so each inbound has multiple outbounds. More...

#include <connection.h>

Inheritance diagram for ircd_connector:

[legend]Collaboration diagram for ircd_connector:

[legend]List of all members.

Public Member Functions
	ircd_connector ()
	Constructor clears the sendq and initialises the fd to -1.
bool	MakeOutboundConnection (char *newhost, int newport)
	Create an outbound connection to a listening socket.
std::string	GetServerName ()
	Return the servername on this established connection.
void	SetServerName (std::string serv)
	Set the server name of this connection.
int	GetDescriptor ()
	Get the file descriptor associated with this connection.
void	SetDescriptor (int fd)
	Set the file descriptor for this connection.
int	GetState ()
	Get the state flags for this connection.
void	SetState (int state)
	Set the state flags for this connection.
char *	GetServerIP ()
	Get the ip address (not servername) associated with this connection.
std::string	GetDescription ()
	Get the server description of this connection.
void	SetDescription (std::string desc)
	Set the server description of this connection.
int	GetServerPort ()
	Get the port number being used for this connection If the connection is outbound this will be the remote port otherwise it will be the local port, so it can always be gautanteed as open at the address given in GetServerIP().
void	SetServerPort (int p)
	Set the port used by this connection.
bool	SetHostAndPort (char *newhost, int newport)
	Set both the host and the port in one operation for this connection.
void	CloseConnection ()
	Close the connection by calling close() on its file descriptor This function call updates no other data.
bool	AddBuffer (std::string a)
	This method adds text to the ircd connection's buffer.
bool	BufferIsComplete ()
	This method returns true if the buffer contains at least one carriage return character, e.g.
void	ClearBuffer ()
	This method clears the server's buffer by setting it to an empty string.
std::string	GetBuffer ()
	This method retrieves the first string from the tail end of the buffer and advances the tail end of the buffer past the returned string, in a similar manner to strtok().
void	SetVersionString (std::string newversion)
	This method sets the version string of the remote server.
std::string	GetVersionString ()
	This method returns the version string of the remote server.
bool	AddWriteBuf (std::string data)
	Adds data to the connection's sendQ to be flushed later.
bool	FlushWriteBuf ()
	Flushes as much of the data from the buffer as possible, and advances the queue pointer to what is left.
void	SetWriteError (std::string error)
	Sets the error string for this connection.
std::string	GetWriteError ()
	Gets the error string for this connection.
bool	HasBufferedOutput ()
	Returns true if there is data to be written that hasn't been sent yet.
bool	CheckPing ()
	Checks if the connection replied to its last ping, and if it did sends another and returns true, if not, returns false.
void	ResetPing ()
	Resets the ping counter.
Public Attributes
std::string	ircdbuffer
	IRCD Buffer for input characters, holds as many lines as are pending - Note that the final line may not be complete and should only be read when there is a seperator.
char	host [MAXBUF]
	When MakeOutboundConnection is called, these public members are filled with the details passed to the function, for future reference.
int	port
	When MakeOutboundConnection is called, these public members are filled with the details passed to the function, for future reference.
std::vector< std::string >	routes
	Server names of servers that this server is linked to So for A->B->C, if this was the record for B it would contain A and C whilever both servers are connected to B.
Private Member Functions
bool	SetHostAddress (char *host, int port)
	PRIVATE function to set the host address and port to connect to.
Private Attributes
sockaddr_in	addr
	Sockaddr of the outbound ip and port.
int	fd
	File descriptor of the connection.
std::string	servername
	Server name.
std::string	description
	Server 'GECOS'.
char	state
	State.
std::string	version
	This string holds the ircd's version response.
std::string	sendq
	SendQ of the outbound connector, does not have a limit.
std::string	WriteError
	Write error of connection.
time_t	nextping
	Time this connection was last pinged.
bool	replied
	Did this connection reply to its last ping?

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Detailed Description

Each connection has one or more of these each represents ONE outbound connection to another ircd so each inbound has multiple outbounds.

A listening socket that accepts server type connections is represented by one class serverrec. Class serverrec will instantiate several objects of type ircd_connector to represent each established connection, inbound or outbound. So, to determine all linked servers you must walk through all the serverrecs that the core defines, and in each one iterate through until you find connection(s) relating to the server you want information on. The core and module API provide functions for this.

Definition at line 56 of file connection.h.

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Constructor & Destructor Documentation

ircd_connector::ircd_connector (   )

Constructor clears the sendq and initialises the fd to -1.

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Member Function Documentation

bool ircd_connector::AddBuffer (  std::string  a  )

This method adds text to the ircd connection's buffer. Parameters: a  The text to add to the buffer up to a maximum size of 1MB This buffer's maximum size is one megabyte, the method returning false if the buffer is full. Returns: True on success, false if the buffer is full or the connection is down

bool ircd_connector::AddWriteBuf (  std::string  data  )

Adds data to the connection's sendQ to be flushed later. Parameters: data  The data to add to the write buffer Fails if there is an error pending on the connection. Returns: True on success, false if the connection is down or the buffer is full Referenced by serverrec::SendPacket().

bool ircd_connector::BufferIsComplete (   )

This method returns true if the buffer contains at least one carriage return character, e.g. one line can be read from the buffer successfully. Returns: True if there is at least one complete line waiting to be processed

bool ircd_connector::CheckPing (   )

Checks if the connection replied to its last ping, and if it did sends another and returns true, if not, returns false. Returns: True if the server is still replying to pings

void ircd_connector::ClearBuffer (   )

This method clears the server's buffer by setting it to an empty string.

void ircd_connector::CloseConnection (   )

Close the connection by calling close() on its file descriptor This function call updates no other data. Referenced by serverrec::SendPacket().

bool ircd_connector::FlushWriteBuf (   )

Flushes as much of the data from the buffer as possible, and advances the queue pointer to what is left. Returns: True if the flush succeeded, false if the connection is down Referenced by serverrec::SendPacket().

std::string ircd_connector::GetBuffer (   )

This method retrieves the first string from the tail end of the buffer and advances the tail end of the buffer past the returned string, in a similar manner to strtok(). Returns: The first line of the buffer up to a carriage return

std::string ircd_connector::GetDescription (   )

Get the server description of this connection. Returns: The description (GECOS) of this connection

int ircd_connector::GetDescriptor (   )

Get the file descriptor associated with this connection. Returns: The file descriptor associated with this connection

char* ircd_connector::GetServerIP (   )

Get the ip address (not servername) associated with this connection. Returns: The connections IP address in dotted decimal form

std::string ircd_connector::GetServerName (   )

Return the servername on this established connection. Referenced by serverrec::SendPacket().

int ircd_connector::GetServerPort (   )

Get the port number being used for this connection If the connection is outbound this will be the remote port otherwise it will be the local port, so it can always be gautanteed as open at the address given in GetServerIP(). Returns: The port number of this connection

int ircd_connector::GetState (   )

Get the state flags for this connection. Returns: The state flags associated with this connection Referenced by IsRoutable(), and serverrec::SendPacket().

std::string ircd_connector::GetVersionString (   )

This method returns the version string of the remote server. If the server has no version string an empty string is returned. Returns: The version text of this connection

std::string ircd_connector::GetWriteError (   )

Gets the error string for this connection. Returns: The last error to occur or an empty string Referenced by serverrec::SendPacket().

bool ircd_connector::HasBufferedOutput (   )

Returns true if there is data to be written that hasn't been sent yet. Returns: True if the buffer is not empty

bool ircd_connector::MakeOutboundConnection (  char *  newhost, int  newport )

Create an outbound connection to a listening socket. Referenced by serverrec::BeginLink(), and serverrec::MeshCookie().

void ircd_connector::ResetPing (   )

Resets the ping counter.

void ircd_connector::SetDescription (  std::string  desc  )

Set the server description of this connection. Parameters: desc  The description (GECOS) of this connection to be set

void ircd_connector::SetDescriptor (  int  fd  )

Set the file descriptor for this connection. Parameters: fd  The file descriptor to associate with the connection Referenced by serverrec::AddIncoming().

bool ircd_connector::SetHostAddress (  char *  host, int  port )  [private]

PRIVATE function to set the host address and port to connect to.

bool ircd_connector::SetHostAndPort (  char *  newhost, int  newport )

Set both the host and the port in one operation for this connection. Parameters: newhost  The hostname to set for this connection newport  The port number to set for this connection Returns: True on success, false on failure Referenced by serverrec::AddIncoming(), serverrec::BeginLink(), and serverrec::MeshCookie().

void ircd_connector::SetServerName (  std::string  serv  )

Set the server name of this connection. Parameters: serv  The server name to set Referenced by serverrec::AddIncoming(), serverrec::BeginLink(), and serverrec::MeshCookie().

void ircd_connector::SetServerPort (  int  p  )

Set the port used by this connection. Parameters: p  The port number to set for this connection

void ircd_connector::SetState (  int  state  )

Set the state flags for this connection. Parameters: state  The state flags to set for this connection Referenced by serverrec::AddIncoming(), serverrec::BeginLink(), serverrec::MeshCookie(), and serverrec::SendPacket().

void ircd_connector::SetVersionString (  std::string  newversion  )

This method sets the version string of the remote server. Parameters: newversion  The version string to set

void ircd_connector::SetWriteError (  std::string  error  )

Sets the error string for this connection. Parameters: error  The error string to set

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Member Data Documentation

sockaddr_in ircd_connector::addr [private]

Sockaddr of the outbound ip and port. Definition at line 61 of file connection.h.

std::string ircd_connector::description [private]

Server 'GECOS'. Definition at line 73 of file connection.h.

int ircd_connector::fd [private]

File descriptor of the connection. Definition at line 65 of file connection.h.

char ircd_connector::host[MAXBUF]

When MakeOutboundConnection is called, these public members are filled with the details passed to the function, for future reference. Definition at line 117 of file connection.h.

std::string ircd_connector::ircdbuffer

IRCD Buffer for input characters, holds as many lines as are pending - Note that the final line may not be complete and should only be read when there is a seperator. Definition at line 110 of file connection.h.

time_t ircd_connector::nextping [private]

Time this connection was last pinged. Definition at line 98 of file connection.h.

int ircd_connector::port

When MakeOutboundConnection is called, these public members are filled with the details passed to the function, for future reference. Definition at line 123 of file connection.h.

bool ircd_connector::replied [private]

Did this connection reply to its last ping? Definition at line 102 of file connection.h.

std::vector<std::string> ircd_connector::routes

Server names of servers that this server is linked to So for A->B->C, if this was the record for B it would contain A and C whilever both servers are connected to B. Definition at line 129 of file connection.h.

std::string ircd_connector::sendq [private]

SendQ of the outbound connector, does not have a limit. Definition at line 90 of file connection.h.

std::string ircd_connector::servername [private]

Server name. Definition at line 69 of file connection.h.

char ircd_connector::state [private]

State. STATE_NOAUTH_INBOUND, STATE_NOAUTH_OUTBOUND STATE_SYNC, STATE_DISCONNECTED, STATE_CONNECTED Definition at line 78 of file connection.h.

std::string ircd_connector::version [private]

This string holds the ircd's version response. Definition at line 86 of file connection.h.

std::string ircd_connector::WriteError [private]

Write error of connection. Definition at line 94 of file connection.h.

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

• connection.h

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