* added a comment infront of the svn modifieable returns. Now it will be me listed...

[citadel.git] / citadel / serv_extensions.c

diff --git a/citadel/serv_extensions.c b/citadel/serv_extensions.c
index e6ae83f7067e10ffa59cb002e1fabe5cea541952..173ee6f68dba7b439c09935d891736a02115f3f4 100644 (file)
--- a/citadel/serv_extensions.c
+++ b/citadel/serv_extensions.c
@@ -37,6 +37,8 @@ struct NetprocFunctionHook *NetprocHookTable = NULL;
 struct DeleteFunctionHook *DeleteHookTable = NULL;
 struct ServiceFunctionHook *ServiceHookTable = NULL;
 struct FixedOutputHook *FixedOutputTable = NULL;
+struct RoomFunctionHook *RoomHookTable = NULL;
+
 
 struct ProtoFunctionHook {
        void (*handler) (char *cmdbuf);
@@ -502,6 +504,53 @@ void CtdlDestroyMessageHook(void)
 }
 
 
+void CtdlRegisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
+{
+       struct RoomFunctionHook *newfcn;
+
+       newfcn = (struct RoomFunctionHook *)
+           malloc(sizeof(struct RoomFunctionHook));
+       newfcn->next = RoomHookTable;
+       newfcn->fcn_ptr = fcn_ptr;
+       RoomHookTable = newfcn;
+
+       lprintf(CTDL_INFO, "Registered a new room function\n");
+}
+
+
+void CtdlUnregisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
+{
+       struct RoomFunctionHook *cur, *p;
+
+       for (cur = RoomHookTable; cur != NULL; cur = cur->next) {
+               while (cur != NULL && fcn_ptr == cur->fcn_ptr) {
+                       lprintf(CTDL_INFO, "Unregistered room function\n");
+                       p = cur->next;
+                       if (cur == RoomHookTable) {
+                               RoomHookTable = p;
+                       }
+                       free(cur);
+                       cur = p;
+               }
+       }
+}
+
+
+void CtdlDestroyRoomHooks(void)
+{
+       struct RoomFunctionHook *cur, *p;
+
+       cur = RoomHookTable;
+       while (cur != NULL)
+       {
+               lprintf(CTDL_INFO, "Unregistered room function\n");
+               p = cur->next;
+               free(cur);
+               cur = p;
+       }
+       RoomHookTable = NULL;
+}
+
 void CtdlRegisterNetprocHook(int (*handler)(struct CtdlMessage *, char *) )
 {
        struct NetprocFunctionHook *newfcn;
@@ -894,6 +943,23 @@ int PerformMessageHooks(struct CtdlMessage *msg, int EventType)
 }
 
 
+int PerformRoomHooks(struct ctdlroom *target_room)
+{
+       struct RoomFunctionHook *fcn;
+       int total_retval = 0;
+
+       lprintf(CTDL_DEBUG, "Performing room hooks\n");
+
+       for (fcn = RoomHookTable; fcn != NULL; fcn = fcn->next) {
+               total_retval = total_retval +
+                       (*fcn->fcn_ptr) (target_room);
+       }
+
+       /* Return the sum of the return codes from the hook functions.
+        */
+       return total_retval;
+}
+
 
 int PerformNetprocHooks(struct CtdlMessage *msg, char *target_room)
 {