Module loading updates - /LOAD shows now also the statically loaded modules.

You can't /LOAD the same module twice. Syntax changed to /LOAD <module>
[<submodule>], /UNLOAD <module> [<submodule>].

NOTE: all modules now need to call register_module() in their init()
function.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1748 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/core/Makefile.am

@@ -32,6 +32,7 @@ libcore_a_SOURCES = \
         $(memdebug_src) \
 	misc.c \
 	modules.c \
+	modules-load.c \
 	net-disconnect.c \
 	net-nonblock.c \
 	net-sendbuffer.c \
@@ -78,6 +79,7 @@ noinst_HEADERS = \
 	misc.h \
 	module.h \
 	modules.h \
+	modules-load.h \
 	net-disconnect.h \
 	net-nonblock.h \
 	net-sendbuffer.h \

src/core/core.c

@@ -211,7 +211,9 @@ void core_init(int argc, char *argv[])
 	signal_add("setup changed", (SIGNAL_FUNC) read_signals);
 	read_signals();
 
-        settings_check();
+	settings_check();
+
+        module_register("core", "core");
 }
 
 void core_deinit(void)

src/core/modules-load.c

@@ -0,0 +1,388 @@
+/*
+ modules-load.c : irssi
+
+    Copyright (C) 1999-2001 Timo Sirainen
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "modules.h"
+#include "modules-load.h"
+#include "signals.h"
+
+#include "settings.h"
+#include "commands.h"
+
+#ifdef HAVE_GMODULE
+
+/* Returns the module name without path, "lib" prefix or ".so" suffix */
+static char *module_get_name(const char *path, int *start, int *end)
+{
+	const char *name;
+	char *module_name, *ptr;
+
+        name = NULL;
+	if (g_path_is_absolute(path)) {
+		name = strrchr(path, G_DIR_SEPARATOR);
+                if (name != NULL) name++;
+	}
+
+	if (name == NULL)
+		name = path;
+
+	if (strncmp(name, "lib", 3) == 0)
+		name += 3;
+
+	module_name = g_strdup(name);
+	ptr = strchr(module_name, '.');
+	if (ptr != NULL) *ptr = '\0';
+
+	*start = (int) (name-path);
+	*end = *start + (ptr == NULL ? strlen(name) :
+			 (int) (ptr-module_name));
+
+	return module_name;
+}
+
+/* Returns the root module name for given submodule (eg. perl_core -> perl) */
+static char *module_get_root(const char *name, char **prefixes)
+{
+	int len;
+
+	/* skip any of the prefixes.. */
+	while (*prefixes != NULL) {
+                len = strlen(*prefixes);
+		if (strncmp(name, *prefixes, len) == 0 && name[len] == '_') {
+			name += len+1;
+                        break;
+		}
+		prefixes++;
+	}
+
+	/* skip the _core part */
+        len = strlen(name);
+	if (len > 5 && strcmp(name+len-5, "_core") == 0)
+		return g_strndup(name, len-5);
+
+        return g_strdup(name);
+}
+
+/* Returns the sub module name for given submodule (eg. perl_core -> core) */
+static char *module_get_sub(const char *name, const char *root)
+{
+	int rootlen, namelen;
+
+        namelen = strlen(name);
+	rootlen = strlen(root);
+        g_return_val_if_fail(namelen >= rootlen, g_strdup(name));
+
+	if (strncmp(name, root, rootlen) == 0 &&
+	    strcmp(name+rootlen, "_core") == 0)
+                return g_strdup("core");
+
+	if (namelen+1 > rootlen && name[namelen-rootlen-1] == '_' &&
+	    strcmp(name+namelen-rootlen, root) == 0)
+                return g_strndup(name, namelen-rootlen-1);
+
+        return g_strdup(name);
+}
+
+static GModule *module_open(const char *name)
+{
+	struct stat statbuf;
+	GModule *module;
+	char *path, *str;
+
+	if (g_path_is_absolute(name) ||
+	    (*name == '.' && name[1] == G_DIR_SEPARATOR))
+		path = g_strdup(name);
+	else {
+		/* first try from home dir */
+		str = g_strdup_printf("%s/modules", get_irssi_dir());
+		path = g_module_build_path(str, name);
+		g_free(str);
+
+		if (stat(path, &statbuf) == 0) {
+			module = g_module_open(path, (GModuleFlags) 0);
+			g_free(path);
+			return module;
+		}
+
+		/* module not found from home dir, try global module dir */
+		g_free(path);
+		path = g_module_build_path(MODULEDIR, name);
+	}
+
+	module = g_module_open(path, (GModuleFlags) 0);
+	g_free(path);
+	return module;
+}
+
+#define module_error(error, text, rootmodule, submodule) \
+	signal_emit("module error", 4, GINT_TO_POINTER(error), text, \
+		    rootmodule, submodule)
+
+static int module_load_name(const char *path, const char *rootmodule,
+			    const char *submodule, int silent)
+{
+	void (*module_init) (void);
+	GModule *gmodule;
+        MODULE_REC *module;
+	MODULE_FILE_REC *rec;
+	char *initfunc;
+
+	gmodule = module_open(path);
+	if (gmodule == NULL) {
+		if (!silent) {
+			module_error(MODULE_ERROR_LOAD, g_module_error(),
+				     rootmodule, submodule);
+		}
+		return FALSE;
+	}
+
+	/* get the module's init() function */
+        if (strcmp(submodule, "core") == 0)
+		initfunc = g_strconcat(rootmodule, "_core_init", NULL);
+	else {
+		initfunc = g_strconcat(submodule, "_",
+				       rootmodule, "_init", NULL);
+	}
+
+	if (!g_module_symbol(gmodule, initfunc, (gpointer *) &module_init)) {
+		if (!silent)
+			module_error(MODULE_ERROR_INVALID, NULL,
+				     rootmodule, submodule);
+		g_module_close(gmodule);
+		g_free(initfunc);
+		return FALSE;
+	}
+	g_free(initfunc);
+
+	/* Call the module's init() function - it should register itself
+	   with module_register() function, abort if it doesn't. */
+	module_init();
+
+	module = module_find(rootmodule);
+	rec = module == NULL ? NULL : module_file_find(module, submodule);
+	if (rec == NULL) {
+		rec = module_register_full(rootmodule, submodule, NULL);
+		rec->gmodule = gmodule;
+		module_file_unload(rec);
+
+		module_error(MODULE_ERROR_INVALID, NULL,
+			     rootmodule, submodule);
+                return FALSE;
+	}
+
+	rec->gmodule = gmodule;
+        rec->initialized = TRUE;
+
+	settings_check_module(rec->defined_module_name);
+
+	signal_emit("module loaded", 2, rec->root, rec);
+	return TRUE;
+}
+
+static int module_load_prefixes(const char *path, const char *module,
+				int start, int end, char **prefixes)
+{
+        GString *realpath;
+        int ok;
+
+        /* load module_core */
+	realpath = g_string_new(path);
+	g_string_insert(realpath, end, "_core");
+
+	ok = module_load_name(realpath->str, module, "core", FALSE);
+	if (ok && prefixes != NULL) {
+		/* load all the "prefix modules", like the fe-common, irc,
+		   etc. part of the module */
+		while (*prefixes != NULL) {
+                        g_string_assign(realpath, path);
+			g_string_insert_c(realpath, start, '_');
+			g_string_insert(realpath, start, *prefixes);
+
+			module_load_name(realpath->str, module,
+					 *prefixes, TRUE);
+
+                        prefixes++;
+		}
+	}
+
+	g_string_free(realpath, TRUE);
+        return ok;
+}
+
+static int module_load_full(const char *path, const char *rootmodule,
+			    const char *submodule, int start, int end,
+			    char **prefixes)
+{
+	MODULE_REC *module;
+        int ok, try_prefixes;
+
+	if (!g_module_supported())
+		return FALSE;
+
+	module = module_find(rootmodule);
+	if (module != NULL && (strcmp(submodule, rootmodule) == 0 ||
+			       module_file_find(module, submodule) != NULL)) {
+                /* module is already loaded */
+		module_error(MODULE_ERROR_ALREADY_LOADED, NULL,
+			     rootmodule, submodule);
+                return FALSE;
+	}
+
+	/* check if the given module exists.. */
+	try_prefixes = strcmp(rootmodule, submodule) == 0;
+	ok = module_load_name(path, rootmodule, submodule, try_prefixes);
+	if (!ok && try_prefixes) {
+		/* nope, try loading the module_core,
+		   fe_module, etc. */
+		ok = module_load_prefixes(path, rootmodule,
+					  start, end, prefixes);
+	}
+
+	return ok;
+}
+
+/* Load module - automatically tries to load also the related non-core
+   modules given in `prefixes' (like irc, fe, fe_text, ..) */
+int module_load(const char *path, char **prefixes)
+{
+	char *name, *submodule, *rootmodule;
+        int start, end, ret;
+
+	g_return_val_if_fail(path != NULL, FALSE);
+
+	name = module_get_name(path, &start, &end);
+	rootmodule = module_get_root(name, prefixes);
+	submodule = module_get_sub(name, rootmodule);
+	g_free(name);
+
+	ret = module_load_full(path, rootmodule, submodule,
+			       start, end, prefixes);
+
+	g_free(rootmodule);
+	g_free(submodule);
+        return ret;
+}
+
+/* Load a sub module. */
+int module_load_sub(const char *path, const char *submodule, char **prefixes)
+{
+        GString *full_path;
+	char *name, *rootmodule;
+        int start, end, ret;
+
+	g_return_val_if_fail(path != NULL, FALSE);
+	g_return_val_if_fail(submodule != NULL, FALSE);
+
+	name = module_get_name(path, &start, &end);
+	rootmodule = module_get_root(name, prefixes);
+	g_free(name);
+
+        full_path = g_string_new(path);
+	if (strcmp(submodule, "core") == 0)
+		g_string_insert(full_path, end, "_core");
+	else {
+		g_string_insert_c(full_path, start, '_');
+		g_string_insert(full_path, start, submodule);
+	}
+
+	ret = module_load_full(full_path->str, rootmodule, submodule,
+			       start, end, NULL);
+
+	g_string_free(full_path, TRUE);
+	g_free(rootmodule);
+        return ret;
+}
+
+static void module_file_deinit_gmodule(MODULE_FILE_REC *file)
+{
+	void (*module_deinit) (void);
+	char *deinitfunc;
+
+	/* call the module's deinit() function */
+	if (strcmp(file->name, "core") == 0) {
+		deinitfunc = g_strconcat(file->root->name,
+					 "_core_deinit", NULL);
+	} else {
+		deinitfunc = g_strconcat(file->name, "_",
+					 file->root->name, "_deinit", NULL);
+	}
+
+	if (g_module_symbol(file->gmodule, deinitfunc,
+			    (gpointer *) &module_deinit))
+		module_deinit();
+
+	g_free(deinitfunc);
+
+	if (file->defined_module_name != NULL) {
+		settings_remove_module(file->defined_module_name);
+		commands_remove_module(file->defined_module_name);
+		signals_remove_module(file->defined_module_name);
+	}
+
+	g_module_close(file->gmodule);
+}
+
+void module_file_unload(MODULE_FILE_REC *file)
+{
+	MODULE_REC *root;
+
+        root = file->root;
+	root->files = g_slist_remove(root->files, file);
+
+        if (file->initialized)
+		signal_emit("module unloaded", 2, file->root, file);
+
+	if (file->gmodule != NULL)
+                module_file_deinit_gmodule(file);
+
+	g_free(file->name);
+	g_free(file->defined_module_name);
+	g_free(file);
+
+	if (root->files == NULL && g_slist_find(modules, root) != NULL)
+                module_unload(root);
+}
+
+void module_unload(MODULE_REC *module)
+{
+	g_return_if_fail(module != NULL);
+
+	modules = g_slist_remove(modules, module);
+
+	signal_emit("module unloaded", 1, module);
+
+	while (module->files != NULL)
+                module_file_unload(module->files->data);
+
+	g_free(module);
+}
+
+#else /* !HAVE_GMODULE - modules are not supported */
+
+int module_load(const char *path, char **prefixes)
+{
+        return FALSE;
+}
+
+void module_unload(MODULE_REC *module)
+{
+}
+
+#endif

src/core/modules-load.h

@@ -0,0 +1,16 @@
+#ifndef __MODULES_LOAD_H
+#define __MODULES_LOAD_H
+
+#include "modules.h"
+
+/* Load module - automatically tries to load also the related non-core
+   modules given in `prefixes' (like irc, fe, fe_text, ..) */
+int module_load(const char *path, char **prefixes);
+
+/* Load a sub module. */
+int module_load_sub(const char *path, const char *submodule, char **prefixes);
+
+void module_unload(MODULE_REC *module);
+void module_file_unload(MODULE_FILE_REC *file);
+
+#endif

src/core/modules.c

@@ -1,7 +1,7 @@
 /*
  modules.c : irssi
 
-    Copyright (C) 1999-2000 Timo Sirainen
+    Copyright (C) 1999-2001 Timo Sirainen
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -22,9 +22,6 @@
 #include "modules.h"
 #include "signals.h"
 
-#include "commands.h"
-#include "settings.h"
-
 GSList *modules;
 
 static GHashTable *uniqids, *uniqstrids;
@@ -201,6 +198,36 @@ void module_uniq_destroy(const char *module)
 	}
 }
 
+/* Register a new module. The `name' is the root module name, `submodule'
+   specifies the current module to be registered (eg. "perl", "fe").
+   The module is registered as statically loaded by default. */
+MODULE_FILE_REC *module_register_full(const char *name, const char *submodule,
+				      const char *defined_module_name)
+{
+	MODULE_REC *module;
+        MODULE_FILE_REC *file;
+
+	module = module_find(name);
+	if (module == NULL) {
+		module = g_new0(MODULE_REC, 1);
+		module->name = g_strdup(name);
+
+                modules = g_slist_append(modules, module);
+	}
+
+	file = module_file_find(module, submodule);
+	if (file != NULL)
+		return file;
+
+	file = g_new0(MODULE_FILE_REC, 1);
+	file->root = module;
+	file->name = g_strdup(submodule);
+        file->defined_module_name = g_strdup(defined_module_name);
+
+	module->files = g_slist_append(module->files, file);
+        return file;
+}
+
 MODULE_REC *module_find(const char *name)
 {
 	GSList *tmp;
@@ -215,192 +242,18 @@ MODULE_REC *module_find(const char *name)
 	return NULL;
 }
 
-#ifdef HAVE_GMODULE
+MODULE_FILE_REC *module_file_find(MODULE_REC *module, const char *name)
-static char *module_get_name(const char *path, int *start, int *end)
 {
-	const char *name;
+	GSList *tmp;
-	char *module_name, *ptr;
 
-        name = NULL;
+	for (tmp = module->files; tmp != NULL; tmp = tmp->next) {
-	if (g_path_is_absolute(path)) {
+		MODULE_FILE_REC *rec = tmp->data;
-		name = strrchr(path, G_DIR_SEPARATOR);
+
-                if (name != NULL) name++;
+		if (strcmp(rec->name, name) == 0)
+                        return rec;
 	}
 
-	if (name == NULL)
+        return NULL;
-		name = path;
-
-	if (strncmp(name, "lib", 3) == 0)
-		name += 3;
-
-	module_name = g_strdup(name);
-	ptr = strchr(module_name, '.');
-	if (ptr != NULL) *ptr = '\0';
-
-	*start = (int) (name-path);
-	*end = *start + (ptr == NULL ? strlen(name) :
-			 (int) (ptr-module_name));
-
-	return module_name;
-}
-
-static GModule *module_open(const char *name)
-{
-	struct stat statbuf;
-	GModule *module;
-	char *path, *str;
-
-	if (g_path_is_absolute(name) ||
-	    (*name == '.' && name[1] == G_DIR_SEPARATOR))
-		path = g_strdup(name);
-	else {
-		/* first try from home dir */
-		str = g_strdup_printf("%s/modules", get_irssi_dir());
-		path = g_module_build_path(str, name);
-		g_free(str);
-
-		if (stat(path, &statbuf) == 0) {
-			module = g_module_open(path, (GModuleFlags) 0);
-			g_free(path);
-			return module;
-		}
-
-		/* module not found from home dir, try global module dir */
-		g_free(path);
-		path = g_module_build_path(MODULEDIR, name);
-	}
-
-	module = g_module_open(path, (GModuleFlags) 0);
-	g_free(path);
-	return module;
-}
-
-#define module_error(error, module, text) \
-	signal_emit("module error", 3, GINT_TO_POINTER(error), module, text)
-
-static int module_load_name(const char *path, const char *name, int silent)
-{
-	void (*module_init) (void);
-	GModule *gmodule;
-	MODULE_REC *rec;
-	char *initfunc;
-
-	gmodule = module_open(path);
-	if (gmodule == NULL) {
-		if (!silent) {
-			module_error(MODULE_ERROR_LOAD, name,
-				     g_module_error());
-		}
-		return FALSE;
-	}
-
-	/* get the module's init() function */
-	initfunc = g_strconcat(name, "_init", NULL);
-	if (!g_module_symbol(gmodule, initfunc, (gpointer *) &module_init)) {
-		if (!silent)
-			module_error(MODULE_ERROR_INVALID, name, NULL);
-		g_module_close(gmodule);
-		g_free(initfunc);
-		return FALSE;
-	}
-	g_free(initfunc);
-
-	rec = g_new0(MODULE_REC, 1);
-	rec->name = g_strdup(name);
-        rec->gmodule = gmodule;
-	modules = g_slist_append(modules, rec);
-
-	module_init();
-	settings_check_module(name);
-
-	signal_emit("module loaded", 1, rec);
-	return TRUE;
-}
-#endif
-
-/* Load module - automatically tries to load also the related non-core
-   modules given in `prefixes' (like irc, fe, fe_text, ..) */
-int module_load(const char *path, char **prefixes)
-{
-#ifdef HAVE_GMODULE
-        GString *realpath;
-	char *name, *pname;
-	int ret, start, end;
-
-	g_return_val_if_fail(path != NULL, FALSE);
-
-	if (!g_module_supported())
-		return FALSE;
-
-	name = module_get_name(path, &start, &end);
-	if (module_find(name)) {
-		module_error(MODULE_ERROR_ALREADY_LOADED, name, NULL);
-                g_free(name);
-		return FALSE;
-	}
-
-        /* load "module_core" instead of "module" if it exists */
-	realpath = g_string_new(path);
-	g_string_insert(realpath, end, "_core");
-
-        pname = g_strconcat(name, "_core", NULL);
-	ret = module_load_name(realpath->str, pname, TRUE);
-	g_free(pname);
-
-	if (!ret) {
-                /* load "module" - complain if it's not found */
-		ret = module_load_name(path, name, FALSE);
-	} else if (prefixes != NULL) {
-		/* load all the "prefix modules", like the fe-common, irc,
-		   etc. part of the module */
-		while (*prefixes != NULL) {
-                        g_string_assign(realpath, path);
-			g_string_insert(realpath, start, "_");
-			g_string_insert(realpath, start, *prefixes);
-
-                        pname = g_strconcat(*prefixes, "_", name, NULL);
-			module_load_name(realpath->str, pname, TRUE);
-			g_free(pname);
-
-                        prefixes++;
-		}
-	}
-
-        g_string_free(realpath, TRUE);
-	g_free(name);
-	return ret;
-#else
-        return FALSE;
-#endif
-}
-
-void module_unload(MODULE_REC *module)
-{
-#ifdef HAVE_GMODULE
-	void (*module_deinit) (void);
-	char *deinitfunc;
-
-	g_return_if_fail(module != NULL);
-
-	modules = g_slist_remove(modules, module);
-
-	signal_emit("module unloaded", 1, module);
-
-	/* call the module's deinit() function */
-	deinitfunc = g_strconcat(module->name, "_deinit", NULL);
-	if (g_module_symbol(module->gmodule, deinitfunc,
-			    (gpointer *) &module_deinit))
-		module_deinit();
-	g_free(deinitfunc);
-
-        settings_remove_module(module->name);
-	commands_remove_module(module->name);
-	signals_remove_module(module->name);
-
-	g_module_close(module->gmodule);
-	g_free(module->name);
-	g_free(module);
-#endif
 }
 
 static void uniq_get_modules(char *key, void *value, GSList **list)

src/core/modules.h

@@ -13,27 +13,50 @@
 #define MODULE_DATA(rec) \
 	g_hash_table_lookup((rec)->module_data, MODULE_NAME)
 
+
+#ifdef HAVE_GMODULE
+#  define MODULE_IS_STATIC(rec) \
+        ((rec)->gmodule == NULL)
+#else
+#  define MODULE_IS_STATIC(rec) TRUE
+#endif
+
 enum {
 	MODULE_ERROR_ALREADY_LOADED,
 	MODULE_ERROR_LOAD,
 	MODULE_ERROR_INVALID
 };
 
+typedef struct _MODULE_REC MODULE_REC;
+
 typedef struct {
+	MODULE_REC *root;
 	char *name;
+        char *defined_module_name;
+
 #ifdef HAVE_GMODULE
-	GModule *gmodule;
+	GModule *gmodule; /* static, if NULL */
 #endif
-} MODULE_REC;
+	unsigned int initialized:1;
+} MODULE_FILE_REC;
+
+struct _MODULE_REC {
+	char *name;
+        GSList *files; /* list of modules that belong to this root module */
+};
 
 extern GSList *modules;
 
-MODULE_REC *module_find(const char *name);
+/* Register a new module. The `name' is the root module name, `submodule'
+   specifies the current module to be registered (eg. "perl", "fe").
+   The module is registered as statically loaded by default. */
+MODULE_FILE_REC *module_register_full(const char *name, const char *submodule,
+				      const char *defined_module_name);
+#define module_register(name, submodule) \
+        module_register_full(name, submodule, MODULE_NAME)
 
-/* Load module - automatically tries to load also the related non-core
+MODULE_REC *module_find(const char *name);
-   modules given in `prefixes' (like irc, fe, fe_text, ..) */
+MODULE_FILE_REC *module_file_find(MODULE_REC *module, const char *name);
-int module_load(const char *path, char **prefixes);
-void module_unload(MODULE_REC *module);
 
 #define MODULE_CHECK_CAST(object, cast, type_field, id) \
 	((cast *) module_check_cast(object, offsetof(cast, type_field), id))

src/fe-common/core/fe-common-core.c

@@ -206,6 +206,8 @@ void fe_common_core_init(void)
         signal_add_last("server disconnected", (SIGNAL_FUNC) sig_disconnected);
         signal_add_first("channel created", (SIGNAL_FUNC) sig_channel_created);
         signal_add_last("channel destroyed", (SIGNAL_FUNC) sig_channel_destroyed);
+
+	module_register("core", "fe");
 }
 
 void fe_common_core_deinit(void)

src/fe-common/core/fe-modules.c

@@ -20,6 +20,7 @@
 
 #include "module.h"
 #include "modules.h"
+#include "modules-load.h"
 #include "module-formats.h"
 #include "signals.h"
 #include "commands.h"
@@ -28,49 +29,99 @@
 
 #include "printtext.h"
 
-static void sig_module_error(void *number, const char *module,
+#ifdef HAVE_GMODULE
-			     const char *data)
+
+static void sig_module_error(void *number, const char *data,
+			     const char *rootmodule, const char *submodule)
 {
 	switch (GPOINTER_TO_INT(number)) {
 	case MODULE_ERROR_ALREADY_LOADED:
 		printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
-			    TXT_MODULE_ALREADY_LOADED, module);
+			    TXT_MODULE_ALREADY_LOADED, rootmodule, submodule);
 		break;
 	case MODULE_ERROR_LOAD:
 		printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
-			    TXT_MODULE_LOAD_ERROR, module, data);
+			    TXT_MODULE_LOAD_ERROR, rootmodule, submodule, data);
 		break;
 	case MODULE_ERROR_INVALID:
 		printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
-			    TXT_MODULE_INVALID, module);
+			    TXT_MODULE_INVALID, rootmodule, submodule);
 		break;
 	}
 }
 
-static void sig_module_loaded(MODULE_REC *rec)
+static void sig_module_loaded(MODULE_REC *module, MODULE_FILE_REC *file)
 {
 	printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
-		    TXT_MODULE_LOADED, rec->name);
+		    TXT_MODULE_LOADED, module->name, file->name);
 }
 
-static void sig_module_unloaded(MODULE_REC *rec)
+static void sig_module_unloaded(MODULE_REC *module, MODULE_FILE_REC *file)
 {
-	printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
+	if (file != NULL && file->gmodule != NULL) {
-		    TXT_MODULE_UNLOADED, rec->name);
+		printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
+			    TXT_MODULE_UNLOADED, module->name, file->name);
+	}
+}
+
+static int module_list_sub(MODULE_REC *module, int mark_type,
+			   GString *submodules)
+{
+	GSList *tmp;
+        int all_dynamic, dynamic;
+
+	g_string_truncate(submodules, 0);
+
+        all_dynamic = -1;
+	for (tmp = module->files; tmp != NULL; tmp = tmp->next) {
+		MODULE_FILE_REC *file = tmp->data;
+
+		/* if there's dynamic and static modules mixed, we'll need
+		   to specify them separately */
+		if (!mark_type) {
+			dynamic = file->gmodule != NULL;
+			if (all_dynamic != -1 && all_dynamic != dynamic) {
+				return module_list_sub(module, TRUE,
+						       submodules);
+			}
+			all_dynamic = dynamic;
+		}
+
+		if (submodules->len > 0)
+			g_string_append_c(submodules, ' ');
+		g_string_append(submodules, file->name);
+		if (mark_type) {
+			g_string_append(submodules, file->gmodule == NULL ?
+					" (static)" : " (dynamic)");
+		}
+	}
+
+        return all_dynamic;
 }
 
 static void cmd_load_list(void)
 {
 	GSList *tmp;
+	GString *submodules;
+        const char *type;
+        int dynamic;
 
-	printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE, TXT_MODULE_HEADER);
+        submodules = g_string_new(NULL);
+
+	printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP, TXT_MODULE_HEADER);
 	for (tmp = modules; tmp != NULL; tmp = tmp->next) {
 		MODULE_REC *rec = tmp->data;
 
-		printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
+                dynamic = module_list_sub(rec, FALSE, submodules);
-			    TXT_MODULE_LINE, rec->name);
+		type = dynamic == -1 ? "mixed" :
+			dynamic ? "dynamic" : "static";
+
+		printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP,
+			    TXT_MODULE_LINE, rec->name, type, submodules->str);
 	}
-	printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE, TXT_MODULE_FOOTER);
+	printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP, TXT_MODULE_FOOTER);
+
+	g_string_free(submodules, TRUE);
 }
 
 static char **module_prefixes_get(void)
@@ -108,36 +159,67 @@ static void module_prefixes_free(char **list)
         g_free(list);
 }
 
-/* SYNTAX: LOAD <module> */
+/* SYNTAX: LOAD <module> [<submodule>] */
 static void cmd_load(const char *data)
 {
-#ifdef HAVE_GMODULE
+        char *rootmodule, *submodule;
 	char **module_prefixes;
+	void *free_arg;
 
 	g_return_if_fail(data != NULL);
-	if (*data == '\0')
+
+	if (!cmd_get_params(data, &free_arg, 2 , &rootmodule, &submodule))
+		return;
+
+	if (*rootmodule == '\0')
 		cmd_load_list();
 	else {
 		module_prefixes = module_prefixes_get();
-		module_load(data, module_prefixes);
+		if (*submodule == '\0')
+			module_load(rootmodule, module_prefixes);
+		else {
+			module_load_sub(rootmodule, submodule,
+					module_prefixes);
+		}
                 module_prefixes_free(module_prefixes);
 	}
-#else
+
-	printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
+	cmd_params_free(free_arg);
-		  "Dynamic modules loading not supported");
-#endif
 }
 
-/* SYNTAX: UNLOAD <module> */
+/* SYNTAX: UNLOAD <module> [<submodule>] */
 static void cmd_unload(const char *data)
 {
-	MODULE_REC *rec;
+	MODULE_REC *module;
+        MODULE_FILE_REC *file;
+        char *rootmodule, *submodule;
+	void *free_arg;
 
 	g_return_if_fail(data != NULL);
-	if (*data == '\0') cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 
-	rec = module_find(data);
+	if (!cmd_get_params(data, &free_arg, 2 , &rootmodule, &submodule))
-	if (rec != NULL) module_unload(rec);
+		return;
+	if (*rootmodule == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
+
+	module = module_find(rootmodule);
+	if (module != NULL) {
+		if (*submodule == '\0')
+			module_unload(module);
+		else {
+			file = module_file_find(module, submodule);
+                        if (file != NULL)
+				module_file_unload(file);
+			else
+                                module = NULL;
+		}
+	}
+
+	if (module == NULL) {
+		printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
+                            TXT_MODULE_NOT_LOADED, rootmodule, submodule);
+	}
+
+	cmd_params_free(free_arg);
 }
 
 void fe_modules_init(void)
@@ -159,3 +241,22 @@ void fe_modules_deinit(void)
 	command_unbind("load", (SIGNAL_FUNC) cmd_load);
 	command_unbind("unload", (SIGNAL_FUNC) cmd_unload);
 }
+
+#else /* !HAVE_GMODULE */
+
+static void cmd_load(const char *data)
+{
+	printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
+		  "Dynamic modules loading not supported");
+}
+
+void fe_modules_init(void)
+{
+	command_bind("load", NULL, (SIGNAL_FUNC) cmd_load);
+}
+
+void fe_modules_deinit(void)
+{
+	command_unbind("load", (SIGNAL_FUNC) cmd_load);
+}
+#endif

src/fe-common/core/module-formats.c

@@ -179,14 +179,15 @@ FORMAT_REC fecommon_core_formats[] = {
 	/* ---- */
 	{ NULL, "Modules", 0 },
 
-	{ "module_header", "Loaded modules:", 0, },
+	{ "module_header", "Module               Type    Submodules", 0, },
-	{ "module_line", "  $0", 1, { 0 } },
+	{ "module_line", "$[!20]0 $[7]1 $2", 3, { 0, 0, 0 } },
 	{ "module_footer", "", 0, },
-	{ "module_already_loaded", "Module {hilight $0} already loaded", 1, { 0 } },
+	{ "module_already_loaded", "Module {hilight $0/$1} already loaded", 2, { 0, 0 } },
-	{ "module_load_error", "Error loading module {hilight $0}: $1", 2, { 0, 0 } },
+	{ "module_not_loaded", "Module {hilight $0/$1} is not loaded", 2, { 0, 0 } },
-	{ "module_invalid", "{hilight $0} isn't Irssi module", 1, { 0 } },
+	{ "module_load_error", "Error loading module {hilight $0/$1}: $2", 3, { 0, 0, 0 } },
-	{ "module_loaded", "Loaded module {hilight $0}", 1, { 0 } },
+	{ "module_invalid", "{hilight $0/$1} isn't Irssi module", 2, { 0, 0 } },
-	{ "module_unloaded", "Unloaded module {hilight $0}", 1, { 0 } },
+	{ "module_loaded", "Loaded module {hilight $0/$1}", 2, { 0, 0 } },
+	{ "module_unloaded", "Unloaded module {hilight $0/$1}", 2, { 0, 0 } },
 
 	/* ---- */
 	{ NULL, "Commands", 0 },

src/fe-common/core/module-formats.h

@@ -153,6 +153,7 @@ enum {
 	TXT_MODULE_LINE,
         TXT_MODULE_FOOTER,
 	TXT_MODULE_ALREADY_LOADED,
+	TXT_MODULE_NOT_LOADED,
 	TXT_MODULE_LOAD_ERROR,
 	TXT_MODULE_INVALID,
 	TXT_MODULE_LOADED,

src/fe-common/irc/dcc/fe-dcc.c

@@ -139,6 +139,7 @@ void fe_irc_dcc_init(void)
 	command_bind("dcc list", NULL, (SIGNAL_FUNC) cmd_dcc_list);
 
 	theme_register(fecommon_irc_dcc_formats);
+	module_register("dcc", "fe-irc");
 }
 
 void fe_irc_dcc_deinit(void)

src/fe-common/irc/fe-common-irc.c

@@ -85,8 +85,10 @@ void fe_common_irc_init(void)
 	fe_netsplit_init();
 	fe_netjoin_init();
 
-	fe_irc_modules_init();
 	settings_check();
+	module_register("core", "fe-irc");
+
+	fe_irc_modules_init();
 }
 
 void fe_common_irc_deinit(void)

src/fe-common/irc/notifylist/fe-notifylist.c

@@ -250,6 +250,8 @@ void fe_irc_notifylist_init(void)
 	signal_add("notifylist unidle", (SIGNAL_FUNC) notifylist_unidle);
 
 	command_set_options("notify", "list");
+
+	module_register("notifylist", "fe-irc");
 }
 
 void fe_irc_notifylist_deinit(void)

src/fe-text/irssi.c

@@ -20,6 +20,7 @@
 
 #include "module.h"
 #include "module-formats.h"
+#include "modules-load.h"
 #include "args.h"
 #include "signals.h"
 #include "levels.h"
@@ -135,6 +136,7 @@ static void textui_finish_init(void)
 	screen_refresh_thaw();
 
 	settings_check();
+	module_register("core", "fe-text");
 
 	fe_common_core_finish_init();
 

src/irc/core/irc-core.c

@@ -103,6 +103,8 @@ void irc_core_init(void)
 	netsplit_init();
 	irc_rawlog_init();
 	irc_expandos_init();
+
+	module_register("core", "irc");
 }
 
 void irc_core_deinit(void)

src/irc/dcc/dcc.c

@@ -446,6 +446,8 @@ void irc_dcc_init(void)
 	dcc_send_init();
 	dcc_resume_init();
 	dcc_autoget_init();
+
+	module_register("dcc", "irc");
 }
 
 void irc_dcc_deinit(void)

src/irc/flood/flood.c

@@ -309,6 +309,7 @@ void irc_flood_init(void)
 	signal_add("server disconnected", (SIGNAL_FUNC) flood_deinit_server);
 
 	autoignore_init();
+	module_register("flood", "irc");
 }
 
 void irc_flood_deinit(void)

src/irc/notifylist/notifylist.c

@@ -352,6 +352,8 @@ void irc_notifylist_init(void)
 	signal_add("event join", (SIGNAL_FUNC) event_join);
 	signal_add("channel wholist", (SIGNAL_FUNC) sig_channel_wholist);
 	signal_add("setup reread", (SIGNAL_FUNC) notifylist_read_config);
+
+	module_register("notifylist", "irc");
 }
 
 void irc_notifylist_deinit(void)

src/perl/Makefile.am

@@ -34,6 +34,7 @@ perl_fe_sources = \
 
 noinst_HEADERS = \
 	module.h \
+	module-fe.h \
 	module-formats.h \
 	perl-core.h \
 	perl-common.h \

src/perl/module-fe.h

@@ -0,0 +1,4 @@
+#include "module.h"
+
+#undef MODULE_NAME
+#define MODULE_NAME "fe-common/perl"

src/perl/module.h

@@ -18,4 +18,4 @@ extern PerlInterpreter *my_perl; /* must be called my_perl or some perl implemen
 
 #include "common.h"
 
-#define MODULE_NAME "irssi-perl"
+#define MODULE_NAME "perl/core"

src/perl/perl-core.c

@@ -20,6 +20,7 @@
 
 #define NEED_PERL_H
 #include "module.h"
+#include "modules.h"
 #include "signals.h"
 #include "misc.h"
 
@@ -363,6 +364,8 @@ void perl_core_init(void)
 
 	perl_scripts_init();
 	perl_scripts_autorun();
+
+	module_register("perl", "core");
 }
 
 void perl_core_deinit(void)

src/perl/perl-fe.c

@@ -18,7 +18,8 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
-#include "module.h"
+#include "module-fe.h"
+#include "modules.h"
 #include "module-formats.h"
 #include "signals.h"
 #include "commands.h"
@@ -230,6 +231,8 @@ void fe_perl_init(void)
         signal_add("script error", (SIGNAL_FUNC) sig_script_error);
 	signal_add("complete command script load", (SIGNAL_FUNC) sig_complete_load);
 	signal_add("complete command script unload", (SIGNAL_FUNC) sig_complete_unload);
+
+	module_register("perl", "fe");
 }
 
 void fe_perl_deinit(void)