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bluetooth: Track devices in module-bluez5-discover

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João Paulo Rechi Vita 2013-09-24 19:45:39 -03:00 • committed by Tanu Kaskinen
parent e352da60a7
commit a5fdf965ed
1 changed files with 51 additions and 0 deletions
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51
src/modules/bluetooth/module-bluez5-discover.c
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@ -24,6 +24,7 @@
#endif
#include <pulsecore/core.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include <pulsecore/module.h>
@ -39,9 +40,48 @@ PA_MODULE_LOAD_ONCE(true);
struct userdata {
pa_module *module;
pa_core *core;
pa_hashmap *loaded_device_paths;
pa_hook_slot *device_connection_changed_slot;
pa_bluetooth_discovery *discovery;
};
static pa_hook_result_t device_connection_changed_cb(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) {
bool module_loaded;
pa_assert(d);
pa_assert(u);
module_loaded = pa_hashmap_get(u->loaded_device_paths, d->path) ? true : false;
if (module_loaded && !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->loaded_device_paths, d->path);
return PA_HOOK_OK;
}
if (!module_loaded && 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)
/* No need to duplicate the path here since the device object will
* exist for the whole hashmap entry lifespan */
pa_hashmap_put(u->loaded_device_paths, d->path, d->path);
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 +90,15 @@ int pa__init(pa_module *m) {
m->userdata = u = pa_xnew0(struct userdata, 1);
u->module = m;
u->core = m->core;
u->loaded_device_paths = 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 +114,14 @@ 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->loaded_device_paths)
pa_hashmap_free(u->loaded_device_paths);
pa_xfree(u);
}