Feature: List loaded modules in stats XML

src/module.c

@@ -18,6 +18,7 @@
 
 #include "refobject.h"
 #include "module.h"
+#include "cfgfile.h" /* for XMLSTR() */
 
 struct module_tag {
     refobject_base_t __base;
@@ -118,6 +119,33 @@ module_t *              module_container_get_module(module_container_t *self, co
     return ret;
 }
 
+xmlNodePtr                      module_container_get_modulelist_as_xml(module_container_t *self)
+{
+    xmlNodePtr root;
+    avl_node *avlnode;
+
+    if (!self)
+        return NULL;
+
+    root = xmlNewNode(NULL, XMLSTR("modules"));
+    if (!root)
+        return NULL;
+
+    thread_mutex_lock(&(self->lock));
+    avlnode = avl_get_first(self->module);
+    while (avlnode) {
+        module_t *module = avlnode->key;
+        xmlNodePtr node = xmlNewChild(root, NULL, XMLSTR("module"), NULL);
+
+        xmlSetProp(node, XMLSTR("name"), XMLSTR(refobject_get_name(module)));
+
+        avlnode = avl_get_next(avlnode);
+    }
+    thread_mutex_unlock(&(self->lock));
+
+    return root;
+}
+
 static void __module_free(refobject_t self, void **userdata)
 {
     module_t *mod = REFOBJECT_TO_TYPE(self, module_t *);

src/module.h

@@ -9,6 +9,8 @@
 #ifndef __MODULE_H__
 #define __MODULE_H__
 
+#include <libxml/tree.h>
+
 #include "icecasttypes.h"
 
 typedef void (*module_client_handler_function_t)(module_t *self, client_t *client, const char *uri);
@@ -23,6 +25,7 @@ module_container_t *            module_container_new(void);
 int                             module_container_add_module(module_container_t *self, module_t *module);
 int                             module_container_delete_module(module_container_t *self, const char *name);
 module_t *                      module_container_get_module(module_container_t *self, const char *name);
+xmlNodePtr                      module_container_get_modulelist_as_xml(module_container_t *self);
 
 module_t *                      module_new(const char *name, module_setup_handler_t newcb, module_setup_handler_t freecb, void *userdata);
 

src/stats.c

@@ -1063,12 +1063,16 @@ xmlDocPtr stats_get_xml(int show_hidden, const char *show_mount, client_t *clien
 {
     xmlDocPtr doc;
     xmlNodePtr node;
+    xmlNodePtr modules;
     source_t * source;
 
     doc = xmlNewDoc (XMLSTR("1.0"));
     node = xmlNewDocNode (doc, NULL, XMLSTR("icestats"), NULL);
     xmlDocSetRootElement(doc, node);
 
+    modules = module_container_get_modulelist_as_xml(global.modulecontainer);
+    xmlAddChild(node, modules);
+
     node = _dump_stats_to_doc(node, show_mount, show_hidden, client);
 
     if (show_mount && node) {