- begonnen, Channels zu implementieren :-)

diff --git a/src/ngircd/channel.c b/src/ngircd/channel.c
index 7f35631cd23c4d834fb0c665c5b50aa9f79813bd..d1b01daf6bba87e35a6fab8c36ba55b748db1d59 100644 (file)
--- a/src/ngircd/channel.c
+++ b/src/ngircd/channel.c
@@ -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.
  *
  * 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 $
  *
  * 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().
  *
  * 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 :-)
  *
  * Revision 1.1  2001/12/14 08:13:43  alex
  * - neues Modul begonnen :-)

- *

  */
 
 
  */
 
 


@@ -36,29 +38,343 @@
 
 #include <imp.h>
 #include <assert.h>
 
 #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"
 
 
 
 #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 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;
 
 
 GLOBAL VOID Channel_Init( VOID )
 {
        My_Channels = NULL;

+       My_Cl2Chan = NULL;

 } /* Channel_Init */
 
 
 GLOBAL VOID Channel_Exit( VOID )
 {
 } /* 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 */
 
 
 } /* 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 )
 {
 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 */
 
 
 } /* 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- */
 /* -eof- */