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-rw-r--r--polyp/module.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/polyp/module.c b/polyp/module.c
deleted file mode 100644
index 499ea299..00000000
--- a/polyp/module.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
- or (at your option) any later version.
-
- polypaudio 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 Lesser General Public License
- along with polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <string.h>
-#include <errno.h>
-
-#include "module.h"
-#include "xmalloc.h"
-#include "subscribe.h"
-#include "log.h"
-#include "util.h"
-
-#define PA_SYMBOL_INIT "pa__init"
-#define PA_SYMBOL_DONE "pa__done"
-
-#define UNLOAD_POLL_TIME 2
-
-static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
- pa_core *c = userdata;
- struct timeval ntv;
- assert(c && c->mainloop == m && c->module_auto_unload_event == e);
-
- pa_module_unload_unused(c);
-
- pa_gettimeofday(&ntv);
- ntv.tv_sec += UNLOAD_POLL_TIME;
- m->time_restart(e, &ntv);
-}
-
-pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
- pa_module *m = NULL;
- int r;
-
- assert(c && name);
-
- if (c->disallow_module_loading)
- goto fail;
-
- m = pa_xmalloc(sizeof(pa_module));
-
- m->name = pa_xstrdup(name);
- m->argument = pa_xstrdup(argument);
-
- if (!(m->dl = lt_dlopenext(name))) {
- pa_log(__FILE__": Failed to open module \"%s\": %s\n", name, lt_dlerror());
- goto fail;
- }
-
- if (!(m->init = (int (*)(pa_core *_c, pa_module*_m)) lt_dlsym(m->dl, PA_SYMBOL_INIT))) {
- pa_log(__FILE__": Failed to load module \"%s\": symbol \""PA_SYMBOL_INIT"\" not found.\n", name);
- goto fail;
- }
-
- if (!(m->done = (void (*)(pa_core *_c, pa_module*_m)) lt_dlsym(m->dl, PA_SYMBOL_DONE))) {
- pa_log(__FILE__": Failed to load module \"%s\": symbol \""PA_SYMBOL_DONE"\" not found.\n", name);
- goto fail;
- }
-
- m->userdata = NULL;
- m->core = c;
- m->n_used = -1;
- m->auto_unload = 0;
- m->unload_requested = 0;
-
- assert(m->init);
- if (m->init(c, m) < 0) {
- pa_log_error(__FILE__": Failed to load module \"%s\" (argument: \"%s\"): initialization failed.\n", name, argument ? argument : "");
- goto fail;
- }
-
- if (!c->modules)
- c->modules = pa_idxset_new(NULL, NULL);
-
- if (!c->module_auto_unload_event) {
- struct timeval ntv;
- pa_gettimeofday(&ntv);
- ntv.tv_sec += UNLOAD_POLL_TIME;
- c->module_auto_unload_event = c->mainloop->time_new(c->mainloop, &ntv, timeout_callback, c);
- }
- assert(c->module_auto_unload_event);
-
- assert(c->modules);
- r = pa_idxset_put(c->modules, m, &m->index);
- assert(r >= 0 && m->index != PA_IDXSET_INVALID);
-
- pa_log_info(__FILE__": Loaded \"%s\" (index: #%u; argument: \"%s\").\n", m->name, m->index, m->argument ? m->argument : "");
-
- pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_MODULE|PA_SUBSCRIPTION_EVENT_NEW, m->index);
-
- return m;
-
-fail:
-
- if (m) {
- pa_xfree(m->argument);
- pa_xfree(m->name);
-
- if (m->dl)
- lt_dlclose(m->dl);
-
- pa_xfree(m);
- }
-
- return NULL;
-}
-
-static void pa_module_free(pa_module *m) {
- assert(m && m->done && m->core);
-
- if (m->core->disallow_module_loading)
- return;
-
- pa_log_info(__FILE__": Unloading \"%s\" (index: #%u).\n", m->name, m->index);
-
- m->done(m->core, m);
-
- lt_dlclose(m->dl);
-
- pa_log_info(__FILE__": Unloaded \"%s\" (index: #%u).\n", m->name, m->index);
-
- pa_subscription_post(m->core, PA_SUBSCRIPTION_EVENT_MODULE|PA_SUBSCRIPTION_EVENT_REMOVE, m->index);
-
- pa_xfree(m->name);
- pa_xfree(m->argument);
- pa_xfree(m);
-}
-
-void pa_module_unload(pa_core *c, pa_module *m) {
- assert(c && m);
-
- assert(c->modules);
- if (!(m = pa_idxset_remove_by_data(c->modules, m, NULL)))
- return;
-
- pa_module_free(m);
-}
-
-void pa_module_unload_by_index(pa_core *c, uint32_t idx) {
- pa_module *m;
- assert(c && idx != PA_IDXSET_INVALID);
-
- assert(c->modules);
- if (!(m = pa_idxset_remove_by_index(c->modules, idx)))
- return;
-
- pa_module_free(m);
-}
-
-static void free_callback(void *p, PA_GCC_UNUSED void *userdata) {
- pa_module *m = p;
- assert(m);
- pa_module_free(m);
-}
-
-void pa_module_unload_all(pa_core *c) {
- assert(c);
-
- if (!c->modules)
- return;
-
- pa_idxset_free(c->modules, free_callback, NULL);
- c->modules = NULL;
-
- if (c->module_auto_unload_event) {
- c->mainloop->time_free(c->module_auto_unload_event);
- c->module_auto_unload_event = NULL;
- }
-
- if (c->module_defer_unload_event) {
- c->mainloop->defer_free(c->module_defer_unload_event);
- c->module_defer_unload_event = NULL;
- }
-}
-
-static int unused_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, void *userdata) {
- pa_module *m = p;
- time_t *now = userdata;
- assert(p && del && now);
-
- if (m->n_used == 0 && m->auto_unload && m->last_used_time+m->core->module_idle_time <= *now) {
- pa_module_free(m);
- *del = 1;
- }
-
- return 0;
-}
-
-void pa_module_unload_unused(pa_core *c) {
- time_t now;
- assert(c);
-
- if (!c->modules)
- return;
-
- time(&now);
- pa_idxset_foreach(c->modules, unused_callback, &now);
-}
-
-static int unload_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, PA_GCC_UNUSED void *userdata) {
- pa_module *m = p;
- assert(m);
-
- if (m->unload_requested) {
- pa_module_free(m);
- *del = 1;
- }
-
- return 0;
-}
-
-static void defer_cb(pa_mainloop_api*api, pa_defer_event *e, void *userdata) {
- pa_core *core = userdata;
- api->defer_enable(e, 0);
-
- if (!core->modules)
- return;
-
- pa_idxset_foreach(core->modules, unload_callback, NULL);
-
-}
-
-void pa_module_unload_request(pa_module *m) {
- assert(m);
-
- m->unload_requested = 1;
-
- if (!m->core->module_defer_unload_event)
- m->core->module_defer_unload_event = m->core->mainloop->defer_new(m->core->mainloop, defer_cb, m->core);
-
- m->core->mainloop->defer_enable(m->core->module_defer_unload_event, 1);
-}
-
-void pa_module_set_used(pa_module*m, int used) {
- assert(m);
-
- if (m->n_used != used)
- pa_subscription_post(m->core, PA_SUBSCRIPTION_EVENT_MODULE|PA_SUBSCRIPTION_EVENT_CHANGE, m->index);
-
- if (m->n_used != used && used == 0)
- time(&m->last_used_time);
-
- m->n_used = used;
-}
-
-pa_modinfo *pa_module_get_info(pa_module *m) {
- assert(m);
-
- return pa_modinfo_get_by_handle(m->dl);
-}
generated by cgit (git 2.34.1) at 2024-05-05 13:33:11 +0000