[pulseaudio-discuss] [PATCH 40/56] bluetooth: Track devices in module-bluez5-discover
jprvita at gmail.com
jprvita at gmail.com
Fri Jul 12 11:06:55 PDT 2013
From: João Paulo Rechi Vita <jprvita at openbossa.org>
---
src/modules/bluetooth/module-bluez5-discover.c | 68 ++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/src/modules/bluetooth/module-bluez5-discover.c b/src/modules/bluetooth/module-bluez5-discover.c
index 8409bd3..4c90744 100644
--- a/src/modules/bluetooth/module-bluez5-discover.c
+++ b/src/modules/bluetooth/module-bluez5-discover.c
@@ -24,6 +24,7 @@
#endif
#include <pulsecore/core.h>
+#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include <pulsecore/module.h>
@@ -39,9 +40,57 @@ PA_MODULE_LOAD_ONCE(true);
struct userdata {
pa_module *module;
pa_core *core;
+ pa_hashmap *device_modules;
+ pa_hook_slot *device_connection_changed_slot;
pa_bluetooth_discovery *discovery;
};
+struct module_info {
+ char *path;
+ uint32_t module;
+};
+
+static pa_hook_result_t device_connection_changed_cb(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) {
+ struct module_info *mi;
+
+ pa_assert(d);
+ pa_assert(u);
+
+ mi = pa_hashmap_get(u->device_modules, d->path);
+
+ if (mi && !pa_bluetooth_device_any_transport_connected(d)) {
+ /* disconnection, the module unloads itself */
+ pa_log_debug("Unregistering module for %s", d->path);
+ pa_hashmap_remove(u->device_modules, mi->path);
+ pa_xfree(mi->path);
+ pa_xfree(mi);
+ return PA_HOOK_OK;
+ }
+
+ if (!mi && pa_bluetooth_device_any_transport_connected(d)) {
+ /* a new device has been connected */
+ pa_module *m;
+ char *args = pa_sprintf_malloc("path=%s", d->path);
+
+ pa_log_debug("Loading module-bluez5-device %s", args);
+ m = pa_module_load(u->module->core, "module-bluez5-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->device_modules, mi->path, mi);
+ } else
+ pa_log_warn("Failed to load module for device %s", d->path);
+
+ return PA_HOOK_OK;
+ }
+
+ return PA_HOOK_OK;
+}
+
int pa__init(pa_module* m) {
struct userdata *u;
@@ -50,10 +99,15 @@ int pa__init(pa_module* m) {
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
u->core = m->core;
+ u->device_modules = 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->device_connection_changed_slot =
+ pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery, PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED),
+ PA_HOOK_NORMAL, (pa_hook_cb_t) device_connection_changed_cb, u);
+
return 0;
fail:
@@ -69,8 +123,22 @@ void pa__done(pa_module* m) {
if (!(u = m->userdata))
return;
+ if (u->device_connection_changed_slot)
+ pa_hook_slot_free(u->device_connection_changed_slot);
+
if (u->discovery)
pa_bluetooth_discovery_unref(u->discovery);
+ if (u->device_modules) {
+ struct module_info *mi;
+
+ while ((mi = pa_hashmap_steal_first(u->device_modules))) {
+ pa_xfree(mi->path);
+ pa_xfree(mi);
+ }
+
+ pa_hashmap_free(u->device_modules, NULL);
+ }
+
pa_xfree(u);
}
--
1.7.11.7
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