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/*
* IRC - Internet Relay Chat, include/struct.h
* Copyright (C) 1990 Jarkko Oikarinen and
* University of Oulu, Computing Center
* Copyright (C) 1996 -1997 Carlo Wood
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef STRUCT_H
#define STRUCT_H
#include <netinet/in.h> /* Needed for struct in_addr */
#include "whowas.h" /* Needed for whowas struct */
#ifndef INCLUDED_dbuf_h
#include "dbuf.h"
#endif
/*=============================================================================
* General defines
*/
#define NICKLEN 9
#define USERLEN 10
#define HOSTLEN 63
#define REALLEN 50
#define PASSWDLEN 20
#define BUFSIZE 512 /* WARNING: *DONT* CHANGE THIS!!!! */
#define MAXTARGETS 20
#define STARTTARGETS 10
#define RESERVEDTARGETS 12
/*-----------------------------------------------------------------------------
* Macro's
*/
#define CLIENT_LOCAL_SIZE sizeof(aClient)
#define CLIENT_REMOTE_SIZE offsetof(aClient, count)
#define MyConnect(x) ((x)->from == (x))
#define MyUser(x) (MyConnect(x) && IsUser(x))
#define MyOper(x) (MyConnect(x) && IsOper(x))
#define Protocol(x) ((x)->serv->prot)
/*=============================================================================
* Structures
*
* Only put structures here that are being used in a very large number of
* source files. Other structures go in the header file of there corresponding
* source file, or in the source file itself (when only used in that file).
*/
struct Client {
struct Client *next, *prev, *hnext;
struct User *user; /* ...defined, if this is a User */
struct Server *serv; /* ...defined, if this is a server */
struct Whowas *whowas; /* Pointer to ww struct to be freed on quit */
char yxx[4]; /* Numeric Nick: YMM if this is a server,
XX0 if this is a user */
time_t lasttime; /* ...should be only LOCAL clients? --msa */
time_t firsttime; /* time client was created */
time_t since; /* last time we parsed something */
time_t lastnick; /* TimeStamp on nick */
int marker; /* /who processing marker */
unsigned int flags; /* client flags */
struct Client *from; /* == self, if Local Client, *NEVER* NULL! */
int fd; /* >= 0, for local clients */
unsigned int hopcount; /* number of servers to this 0 = local */
short status; /* Client type */
struct in_addr ip; /* Real ip# - NOT defined for remote servers! */
char name[HOSTLEN + 1]; /* Unique name of the client, nick or host */
char username[USERLEN + 1]; /* username here now for auth stuff */
char info[REALLEN + 1]; /* Free form additional client information */
/*
* The following fields are allocated only for local clients
* (directly connected to *this* server with a socket.
* The first of them *MUST* be the "count"--it is the field
* to which the allocation is tied to! *Never* refer to
* these fields, if (from != self).
*/
unsigned int count; /* Amount of data in buffer, DON'T PUT
variables ABOVE this one! */
snomask_t snomask; /* mask for server messages */
char buffer[BUFSIZE]; /* Incoming message buffer; or the error that
caused this clients socket to be `dead' */
unsigned short int lastsq; /* # of 2k blocks when sendqueued called last */
time_t nextnick; /* Next time that a nick change is allowed */
time_t nexttarget; /* Next time that a target change is allowed */
unsigned char targets[MAXTARGETS]; /* Hash values of current targets */
unsigned int cookie; /* Random number the user must PONG */
struct DBuf sendQ; /* Outgoing message queue--if socket full */
struct DBuf recvQ; /* Hold for data incoming yet to be parsed */
unsigned int sendM; /* Statistics: protocol messages send */
unsigned int sendK; /* Statistics: total k-bytes send */
unsigned int receiveM; /* Statistics: protocol messages received */
unsigned int receiveK; /* Statistics: total k-bytes received */
unsigned short int sendB; /* counters to count upto 1-k lots of bytes */
unsigned short int receiveB; /* sent and received. */
struct Client *acpt; /* listening client which we accepted from */
struct SLink *confs; /* Configuration record associated */
int authfd; /* fd for rfc931 authentication */
unsigned short int port; /* and the remote port# too :-) */
struct hostent *hostp;
struct ListingArgs *listing;
#ifdef pyr
struct timeval lw;
#endif
char sockhost[HOSTLEN + 1]; /* This is the host name from the socket and
after which the connection was accepted. */
char passwd[PASSWDLEN + 1];
};
struct Server {
struct Server *nexts;
struct Client *up; /* Server one closer to me */
struct DSlink *down; /* List with downlink servers */
struct DSlink *updown; /* own Dlink in up->serv->down struct */
aClient **client_list; /* List with client pointers on this server */
struct User *user; /* who activated this connection */
struct ConfItem *nline; /* N-line pointer for this server */
time_t timestamp; /* Remotely determined connect try time */
time_t ghost; /* Local time at which a new server
caused a Ghost */
unsigned short prot; /* Major protocol */
unsigned short nn_last; /* Last numeric nick for p9 servers only */
unsigned int nn_mask; /* [Remote] FD_SETSIZE - 1 */
char nn_capacity[4]; /* numeric representation of server capacity */
#ifdef LIST_DEBUG
struct Client *bcptr;
#endif
char *last_error_msg; /* Allocated memory with last message receive with an ERROR */
char by[NICKLEN + 1];
};
struct User {
struct User *nextu;
struct Client *server; /* client structure of server */
struct SLink *channel; /* chain of channel pointer blocks */
struct SLink *invited; /* chain of invite pointer blocks */
struct SLink *silence; /* chain of silence pointer blocks */
char *away; /* pointer to away message */
time_t last;
unsigned int refcnt; /* Number of times this block is referenced */
unsigned int joined; /* number of channels joined */
char username[USERLEN + 1];
char host[HOSTLEN + 1];
#ifdef LIST_DEBUG
struct Client *bcptr;
#endif
};
#endif /* STRUCT_H */
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