Add channel metadata system.

include/channel.h

@@ -72,6 +72,8 @@ struct Channel
 	unsigned int join_count;  /* joins within delta */
 	unsigned int join_delta;  /* last ts of join */
 
+	struct Dictionary *c_metadata;
+
 	unsigned long bants;
 	time_t channelts;
 	char *chname;
@@ -90,6 +92,12 @@ struct membership
 	unsigned long bants;
 };
 
+struct c_Metadata
+{
+	const char *name;
+	const char *value;
+};
+
 #define BANLEN 195
 struct Ban
 {
@@ -296,4 +304,8 @@ extern void user_join(struct Client * client_p, struct Client * source_p, const
 extern void do_join_0(struct Client *client_p, struct Client *source_p);
 extern int check_channel_name_loc(struct Client *source_p, const char *name);
 
+extern struct Metadata *channel_metadata_add(struct Channel *target, const char *name, const char *value, int propegate);
+extern void channel_metadata_delete(struct Channel *target, const char *name, int propegate);
+extern struct Metadata *channel_metadata_find(struct Channel *target, const char *name);
+
 #endif /* INCLUDED_channel_h */

modules/core/m_metadata.c

@@ -33,16 +33,32 @@ DECLARE_MODULE_AV1(metadata, NULL, NULL, metadata_clist, NULL, NULL, "$Revision$
 void
 me_metadata(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 {
-	struct Client *target_p;
+	if(parv[2][0] == '#')
+	{
+		struct Channel *chptr;
 
-	if((target_p = find_client(parv[2])) == NULL)
-		return;
+		if((chptr = find_channel(parv[2])) == NULL)
+			return;
 
-	if(!target_p->user)
-		return;
+		if(!strcmp(parv[1], "ADD") && parv[4] != NULL)
+			channel_metadata_add(chptr, parv[3], parv[4], 0);
+		if(!strcmp(parv[1], "DELETE") && parv[3] != NULL)
+			channel_metadata_delete(chptr, parv[3], 0);
+	}
 
-	if(!strcmp(parv[1], "ADD") && parv[4] != NULL)
-		user_metadata_add(target_p, parv[3], parv[4], 0);
-	if(!strcmp(parv[1], "DELETE") && parv[3] != NULL)
-		user_metadata_delete(target_p, parv[3], 0);
-}
+	else
+	{
+		struct Client *target_p;
+
+		if((target_p = find_client(parv[2])) == NULL)
+			return;
+
+		if(!target_p->user)
+			return;
+
+		if(!strcmp(parv[1], "ADD") && parv[4] != NULL)
+			user_metadata_add(target_p, parv[3], parv[4], 0);
+		if(!strcmp(parv[1], "DELETE") && parv[3] != NULL)
+			user_metadata_delete(target_p, parv[3], 0);
+	}
+}

src/channel.c

@@ -42,6 +42,7 @@
 #include "s_newconf.h"
 #include "logger.h"
 #include "packet.h"
+#include "irc_dictionary.h"
 
 struct config_channel_entry ConfigChannel;
 rb_dlink_list global_channel_list;
@@ -92,14 +93,19 @@ struct Channel *
 allocate_channel(const char *chname)
 {
 	struct Channel *chptr;
+	struct Dictionary *c_metadata;
 	chptr = rb_bh_alloc(channel_heap);
 	chptr->chname = rb_strdup(chname);
+	
+	c_metadata = irc_dictionary_create(irccmp);
+	chptr->c_metadata = c_metadata;
 	return (chptr);
 }
 
 void
 free_channel(struct Channel *chptr)
 {
+	/* insert deletion of metadata here! */
 	rb_free(chptr->chname);
 	rb_bh_free(channel_heap, chptr);
 }
@@ -1891,3 +1897,81 @@ void user_join(struct Client * client_p, struct Client * source_p, const char *
 
 	return;
 }
+
+/*
+ * channel_metadata_add
+ * 
+ * inputs	- pointer to channel struct
+ *		- name of metadata item you wish to add
+ *		- value of metadata item
+ *		- 1 if metadata should be propegated, 0 if not
+ * output	- none
+ * side effects - metadata is added to the channel in question
+ *		- metadata is propegated if propegate is set.
+ */
+struct Metadata *
+channel_metadata_add(struct Channel *target, const char *name, const char *value, int propegate)
+{
+	struct Metadata *md;
+
+	if(irc_dictionary_find(target->c_metadata, name) != NULL)
+		return NULL;
+
+	md = rb_malloc(sizeof(struct Metadata));
+	md->name = rb_strdup(name);
+	md->value = rb_strdup(value);
+
+	irc_dictionary_add(target->c_metadata, md->name, md);
+	
+	if(propegate)
+		sendto_match_servs(&me, "*", CAP_ENCAP, NOCAPS, "ENCAP * METADATA ADD %s %s :%s",
+				target->chname, name, value);
+
+	return md;
+}
+
+/*
+ * channel_metadata_delete
+ * 
+ * inputs	- pointer to channel struct
+ *		- name of metadata item you wish to delete
+ * output	- none
+ * side effects - metadata is deleted from the channel in question
+ * 		- deletion is propegated if propegate is set
+ */
+void
+channel_metadata_delete(struct Channel *target, const char *name, int propegate)
+{
+	struct Metadata *md = channel_metadata_find(target, name);
+
+	if(!md)
+		return;
+
+	irc_dictionary_delete(target->c_metadata, md->name);
+
+	rb_free(md);
+
+	if(propegate)
+		sendto_match_servs(&me, "*", CAP_ENCAP, NOCAPS, "ENCAP * METADATA DELETE %s %s",
+				target->chname, name);
+}
+
+/*
+ * channel_metadata_find
+ * 
+ * inputs	- pointer to channel struct
+ *		- name of metadata item you wish to read
+ * output	- the requested metadata, if it exists, elsewise null.
+ * side effects - 
+ */
+struct Metadata *
+channel_metadata_find(struct Channel *target, const char *name)
+{
+	if(!target)
+		return NULL;
+
+	if(!target->c_metadata)
+		return NULL;
+
+	return irc_dictionary_retrieve(target->c_metadata, name);
+}

src/s_serv.c

@@ -525,7 +525,7 @@ burst_TS6(struct Client *client_p)
 
 		DICTIONARY_FOREACH(md, &iter, target_p->user->metadata)
 		{
-			sendto_one(client_p, ":%s ENCAP * METADATA %s %s :%s",
+			sendto_one(client_p, ":%s ENCAP * METADATA ADD %s %s :%s",
 				   use_id(target_p), use_id(target_p), md->name, md->value);
 		}
 
@@ -587,6 +587,12 @@ burst_TS6(struct Client *client_p)
 		}
 		sendto_one(client_p, "%s", buf);
 
+		DICTIONARY_FOREACH(md, &iter, chptr->c_metadata)
+		{
+			sendto_one(client_p, ":%s ENCAP * METADATA ADD %s %s :%s",
+				   use_id(target_p), use_id(target_p), md->name, md->value);
+		}
+
 		if(rb_dlink_list_length(&chptr->banlist) > 0)
 			burst_modes_TS6(client_p, chptr, &chptr->banlist, 'b');