bluetooth: Rename bluetooth modules to BlueZ 4

src/modules/bluetooth/module-bluez4-discover.c

@@ -0,0 +1,194 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2008-2013 João Paulo Rechi Vita
+
+  PulseAudio 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 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio 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 PulseAudio; 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 <stdio.h>
+#include <stdlib.h>
+
+#include <pulse/xmalloc.h>
+#include <pulsecore/module.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/dbus-shared.h>
+
+#include "module-bluez4-discover-symdef.h"
+#include "bluez4-util.h"
+
+PA_MODULE_AUTHOR("João Paulo Rechi Vita");
+PA_MODULE_DESCRIPTION("Detect available BlueZ 4 Bluetooth audio devices and load BlueZ 4 Bluetooth audio drivers");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_USAGE("sco_sink=<name of sink> "
+                "sco_source=<name of source> ");
+PA_MODULE_LOAD_ONCE(true);
+
+static const char* const valid_modargs[] = {
+    "sco_sink",
+    "sco_source",
+    "async", /* deprecated */
+    NULL
+};
+
+struct userdata {
+    pa_module *module;
+    pa_modargs *modargs;
+    pa_core *core;
+    pa_bluetooth_discovery *discovery;
+    pa_hook_slot *slot;
+    pa_hashmap *hashmap;
+};
+
+struct module_info {
+    char *path;
+    uint32_t module;
+};
+
+static pa_hook_result_t load_module_for_device(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) {
+    struct module_info *mi;
+
+    pa_assert(u);
+    pa_assert(d);
+
+    mi = pa_hashmap_get(u->hashmap, d->path);
+
+    if (pa_bluetooth_device_any_audio_connected(d)) {
+
+        if (!mi) {
+            pa_module *m = NULL;
+            char *args;
+
+            /* Oh, awesome, a new device has shown up and been connected! */
+
+            args = pa_sprintf_malloc("address=\"%s\" path=\"%s\"", d->address, d->path);
+
+            if (pa_modargs_get_value(u->modargs, "sco_sink", NULL) &&
+                pa_modargs_get_value(u->modargs, "sco_source", NULL)) {
+                char *tmp;
+
+                tmp = pa_sprintf_malloc("%s sco_sink=\"%s\" sco_source=\"%s\"", args,
+                                        pa_modargs_get_value(u->modargs, "sco_sink", NULL),
+                                        pa_modargs_get_value(u->modargs, "sco_source", NULL));
+                pa_xfree(args);
+                args = tmp;
+            }
+
+            pa_log_debug("Loading module-bluez4-device %s", args);
+            m = pa_module_load(u->module->core, "module-bluez4-device", args);
+            pa_xfree(args);
+
+            if (m) {
+                mi = pa_xnew(struct module_info, 1);
+                mi->module = m->index;
+                mi->path = pa_xstrdup(d->path);
+
+                pa_hashmap_put(u->hashmap, mi->path, mi);
+            } else
+                pa_log_debug("Failed to load module for device %s", d->path);
+        }
+
+    } else {
+
+        if (mi) {
+
+            /* Hmm, disconnection? Then the module unloads itself */
+
+            pa_log_debug("Unregistering module for %s", d->path);
+            pa_hashmap_remove(u->hashmap, mi->path);
+            pa_xfree(mi->path);
+            pa_xfree(mi);
+        }
+    }
+
+    return PA_HOOK_OK;
+}
+
+int pa__init(pa_module* m) {
+    struct userdata *u;
+    pa_modargs *ma = NULL;
+
+    pa_assert(m);
+
+    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+        pa_log("Failed to parse module arguments");
+        goto fail;
+    }
+
+    if (pa_modargs_get_value(ma, "async", NULL))
+        pa_log_warn("The 'async' argument is deprecated and does nothing.");
+
+    m->userdata = u = pa_xnew0(struct userdata, 1);
+    u->module = m;
+    u->core = m->core;
+    u->modargs = ma;
+    ma = NULL;
+    u->hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+
+    if (!(u->discovery = pa_bluetooth_discovery_get(u->core)))
+        goto fail;
+
+    u->slot = pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery, PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED),
+                              PA_HOOK_NORMAL, (pa_hook_cb_t) load_module_for_device, u);
+
+    return 0;
+
+fail:
+    pa__done(m);
+
+    if (ma)
+        pa_modargs_free(ma);
+
+    return -1;
+}
+
+void pa__done(pa_module* m) {
+    struct userdata *u;
+
+    pa_assert(m);
+
+    if (!(u = m->userdata))
+        return;
+
+    if (u->slot)
+        pa_hook_slot_free(u->slot);
+
+    if (u->discovery)
+        pa_bluetooth_discovery_unref(u->discovery);
+
+    if (u->hashmap) {
+        struct module_info *mi;
+
+        while ((mi = pa_hashmap_steal_first(u->hashmap))) {
+            pa_xfree(mi->path);
+            pa_xfree(mi);
+        }
+
+        pa_hashmap_free(u->hashmap);
+    }
+
+    if (u->modargs)
+        pa_modargs_free(u->modargs);
+
+    pa_xfree(u);
+}