- begonnen, Channels zu implementieren :-)

This commit is contained in:
Alexander Barton 2002-01-21 00:12:29 +00:00
parent 4b0c9849d6
commit bb19cfda95
1 changed files with 319 additions and 3 deletions

View File

@ -9,11 +9,14 @@
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
* $Id: channel.c,v 1.4 2002/01/16 22:09:07 alex Exp $
* $Id: channel.c,v 1.5 2002/01/21 00:12:29 alex Exp $
*
* channel.c: Management der Channels
*
* $Log: channel.c,v $
* Revision 1.5 2002/01/21 00:12:29 alex
* - begonnen, Channels zu implementieren :-)
*
* Revision 1.4 2002/01/16 22:09:07 alex
* - neue Funktion Channel_Count().
*
@ -27,7 +30,6 @@
*
* Revision 1.1 2001/12/14 08:13:43 alex
* - neues Modul begonnen :-)
*
*/
@ -36,29 +38,343 @@
#include <imp.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "client.h"
#include "irc.h"
#include "log.h"
#include "messages.h"
#include <exp.h>
#include "channel.h"
typedef struct _CHANNEL
{
struct _CHANNEL *next;
CHAR name[CHANNEL_NAME_LEN]; /* Name des Channel */
CHAR modes[CHANNEL_MODE_LEN]; /* Channel-Modes */
} CHANNEL;
typedef struct _CLIENT2CHAN
{
struct _CLIENT2CHAN *next;
CLIENT *client;
CHANNEL *channel;
CHAR modes[CHANNEL_MODE_LEN]; /* User-Modes in dem Channel */
} CL2CHAN;
LOCAL CHANNEL *My_Channels;
LOCAL CL2CHAN *My_Cl2Chan;
LOCAL CHANNEL *Get_Chan( CHAR *Name );
LOCAL CHANNEL *New_Chan( CHAR *Name );
LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client );
LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client );
LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason );
LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan );
LOCAL CL2CHAN *Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan );
LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan );
GLOBAL VOID Channel_Init( VOID )
{
My_Channels = NULL;
My_Cl2Chan = NULL;
} /* Channel_Init */
GLOBAL VOID Channel_Exit( VOID )
{
CHANNEL *c, *c_next;
CL2CHAN *cl2chan, *cl2chan_next;
/* Channel-Strukturen freigeben */
c = My_Channels;
while( c )
{
c_next = c->next;
free( c );
c = c_next;
}
/* Channel-Zuordnungstabelle freigeben */
cl2chan = My_Cl2Chan;
while( c )
{
cl2chan_next = cl2chan->next;
free( cl2chan );
cl2chan = cl2chan_next;
}
} /* Channel_Exit */
GLOBAL BOOLEAN Channel_Join( CLIENT *Client, CHAR *Name )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Name != NULL );
/* Valider Channel-Name? */
if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN ))
{
IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
return FALSE;
}
/* Channel suchen */
chan = Get_Chan( Name );
if( chan )
{
/* Ist der Client bereits Mitglied? */
if( Get_Cl2Chan( chan, Client )) return FALSE;
}
else
{
/* Gibt es noch nicht? Dann neu anlegen: */
chan = New_Chan( Name );
if( ! chan ) return FALSE;
/* Verketten */
chan->next = My_Channels;
My_Channels = chan;
}
/* User dem Channel hinzufuegen */
if( ! Add_Client( chan, Client )) return FALSE;
else return TRUE;
} /* Channel_Join */
GLOBAL BOOLEAN Channel_Part( CLIENT *Client, CLIENT *Origin, CHAR *Name, CHAR *Reason )
{
CHANNEL *chan;
assert( Client != NULL );
assert( Name != NULL );
/* Channel suchen */
chan = Get_Chan( Name );
if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
{
IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
return FALSE;
}
/* User aus Channel entfernen */
if( ! Remove_Client( chan, Client, Origin, Reason )) return FALSE;
else return TRUE;
} /* Channel_Part */
GLOBAL VOID Channel_RemoveClient( CLIENT *Client, CHAR *Reason )
{
CHANNEL *c, *next_c;
assert( Client != NULL );
c = My_Channels;
while( c )
{
next_c = c->next;
Remove_Client( c, Client, Client_ThisServer( ), Reason );
c = next_c;
}
} /* Channel_RemoveClient */
GLOBAL INT Channel_Count( VOID )
{
return 0;
CHANNEL *c;
INT count;
count = 0;
c = My_Channels;
while( c )
{
count++;
c = c->next;
}
return count;
} /* Channel_Count */
LOCAL CHANNEL *Get_Chan( CHAR *Name )
{
/* Channel-Struktur suchen */
CHANNEL *c;
assert( Name != NULL );
c = My_Channels;
while( c )
{
if( strcasecmp( Name, c->name ) == 0 ) return c;
c = c->next;
}
return NULL;
} /* Get_Chan */
LOCAL CHANNEL *New_Chan( CHAR *Name )
{
/* Neue Channel-Struktur anlegen */
CHANNEL *c;
assert( Name != NULL );
c = malloc( sizeof( CHANNEL ));
if( ! c )
{
Log( LOG_EMERG, "Can't allocate memory!" );
return NULL;
}
c->next = NULL;
strncpy( c->name, Name, CHANNEL_NAME_LEN );
c->name[CHANNEL_NAME_LEN - 1] = '\0';
strcpy( c->modes, "" );
Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
return c;
} /* New_Chan */
LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) return cl2chan;
cl2chan = cl2chan->next;
}
return NULL;
} /* Get_Cl2Chan */
LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client )
{
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Client != NULL );
cl2chan = malloc( sizeof( CL2CHAN ));
if( ! cl2chan )
{
Log( LOG_EMERG, "Can't allocate memory!" );
return NULL;
}
cl2chan->channel = Chan;
cl2chan->client = Client;
/* Verketten */
cl2chan->next = My_Cl2Chan;
My_Cl2Chan = cl2chan;
return cl2chan;
} /* Add_Client */
LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason )
{
CL2CHAN *cl2chan, *last_cl2chan;
CHANNEL *c;
assert( Chan != NULL );
assert( Client != NULL );
assert( Origin != NULL );
assert( Reason != NULL );
last_cl2chan = NULL;
cl2chan = My_Cl2Chan;
while( cl2chan )
{
if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) break;
last_cl2chan = cl2chan;
cl2chan = cl2chan->next;
}
if( ! cl2chan ) return FALSE;
c = cl2chan->channel;
assert( c != NULL );
/* Aus Verkettung loesen und freigeben */
if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
else My_Cl2Chan = cl2chan->next;
free( cl2chan );
IRC_WriteStrServersPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
IRC_WriteStrRelatedChannelPrefix( Origin, c->name, Client, "PART %s :%s", c->name, Reason );
Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
/* Wenn Channel nun leer: loeschen */
if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
return TRUE;
} /* Remove_Client */
LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
{
return Get_Next_Cl2Chan( My_Cl2Chan, Client, Chan );
} /* Get_First_Cl2Chan */
LOCAL CL2CHAN *Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
{
CL2CHAN *cl2chan;
assert( Client != NULL || Channel != NULL );
cl2chan = Start;
while( cl2chan )
{
if(( Client ) && ( cl2chan->client == Client )) return cl2chan;
if(( Channel ) && ( cl2chan->channel == Channel )) return cl2chan;
cl2chan = cl2chan->next;
}
return NULL;
} /* Get_Next_Cl2Chan */
LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan )
{
/* Channel-Struktur loeschen */
CHANNEL *chan, *last_chan;
last_chan = NULL;
chan = My_Channels;
while( chan )
{
if( chan == Chan ) break;
last_chan = chan;
chan = chan->next;
}
if( ! chan ) return FALSE;
Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
/* Neu verketten und freigeben */
if( last_chan ) last_chan->next = chan->next;
else My_Channels = chan->next;
free( chan );
return TRUE;
} /* Delete_Channel */
/* -eof- */