Handle connection to the remote device when the
Heart Rate plugin is loaded.
---
profiles/heartrate/heartrate.c | 86 +++++++++++++++++++++++++++++++++++++++-
profiles/heartrate/heartrate.h | 2 +-
profiles/heartrate/manager.c | 22 +++++++++-
3 files changed, 107 insertions(+), 3 deletions(-)
diff --git a/profiles/heartrate/heartrate.c b/profiles/heartrate/heartrate.c
index 9bd93c5..1114cff 100644
--- a/profiles/heartrate/heartrate.c
+++ b/profiles/heartrate/heartrate.c
@@ -30,10 +30,24 @@
#include "adapter.h"
#include "device.h"
+#include "gattrib.h"
+#include "attio.h"
+#include "att.h"
+#include "gatt.h"
#include "heartrate.h"
+#include "log.h"
struct heartrate {
struct btd_device *dev; /*Device reference*/
+ GAttrib *attrib; /*GATT connection*/
+ guint attioid; /*ATT watcher id*/
+ struct att_range *svc_range; /*Heart Rate range*/
+ GSList *chars; /*Characteristics*/
+};
+
+struct characteristic {
+ struct gatt_char attr; /*Characteristic*/
+ struct heartrate *hr; /*Parent Heart Rate Service*/
};
static GSList *hr_servers = NULL;
@@ -53,19 +67,89 @@ static void heartrate_destroy(gpointer user_data)
{
struct heartrate *hr = user_data;
+ if (hr->chars != NULL)
+ g_slist_free_full(hr->chars, g_free);
+
+ if (hr->attioid > 0)
+ btd_device_remove_attio_callback(hr->dev, hr->attioid);
+
+ if (hr->attrib != NULL)
+ g_attrib_unref(hr->attrib);
+
btd_device_unref(hr->dev);
+ g_free(hr->svc_range);
g_free(hr);
+
+}
+
+static void configure_heartrate_cb(GSList *characteristics, guint8 status,
+ gpointer user_data)
+{
+ struct heartrate *hr = user_data;
+ GSList *l;
+
+ if (status != 0) {
+ error("Discover heartrate characteristics: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ for (l = characteristics; l; l = l->next) {
+ struct gatt_char *c = l->data;
+ struct characteristic *ch;
+
+ ch = g_new0(struct characteristic, 1);
+ ch->attr.handle = c->handle;
+ ch->attr.properties = c->properties;
+ ch->attr.value_handle = c->value_handle;
+ memcpy(ch->attr.uuid, c->uuid, MAX_LEN_UUID_STR + 1);
+ ch->hr = hr;
+
+ hr->chars = g_slist_append(hr->chars, ch);
+ }
+}
+
+static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
+{
+ struct heartrate *hr = user_data;
+
+ DBG("GATT Connected");
+
+ hr->attrib = g_attrib_ref(attrib);
+
+ if (hr->chars == NULL)
+ gatt_discover_char(hr->attrib, hr->svc_range->start,
+ hr->svc_range->end, NULL,
+ configure_heartrate_cb, hr);
}
-int heartrate_register(struct btd_device *device)
+static void attio_disconnected_cb(gpointer user_data)
+{
+ struct heartrate *hr = user_data;
+
+ DBG("GATT Disconnected");
+
+ g_attrib_unref(hr->attrib);
+ hr->attrib = NULL;
+}
+
+int heartrate_register(struct btd_device *device, struct gatt_primary *pattr)
{
struct heartrate *hr;
hr = g_new0(struct heartrate, 1);
hr->dev = btd_device_ref(device);
+ hr->svc_range = g_new0(struct att_range, 1);
+ hr->svc_range->start = pattr->range.start;
+ hr->svc_range->end = pattr->range.end;
+
hr_servers = g_slist_prepend(hr_servers, hr);
+ hr->attioid = btd_device_add_attio_callback(device,
+ attio_connected_cb,
+ attio_disconnected_cb ,
+ hr);
return 0;
}
void heartrate_unregister(struct btd_device *device)
diff --git a/profiles/heartrate/heartrate.h b/profiles/heartrate/heartrate.h
index 8d4271c..1d2ba89 100644
--- a/profiles/heartrate/heartrate.h
+++ b/profiles/heartrate/heartrate.h
@@ -20,5 +20,5 @@
*
*/
-int heartrate_register(struct btd_device *device);
+int heartrate_register(struct btd_device *device, struct gatt_primary *pattr);
void heartrate_unregister(struct btd_device *device);
diff --git a/profiles/heartrate/manager.c b/profiles/heartrate/manager.c
index da6c7ef..6ba059d 100644
--- a/profiles/heartrate/manager.c
+++ b/profiles/heartrate/manager.c
@@ -32,9 +32,29 @@
#include "heartrate.h"
#include "manager.h"
+static gint primary_uuid_cmp(gconstpointer a, gconstpointer b)
+{
+ const struct gatt_primary *prim = a;
+ const char *uuid = b;
+
+ return g_strcmp0(prim->uuid, uuid);
+}
+
static int heartrate_driver_probe(struct btd_device *device, GSList *uuids)
{
- return heartrate_register(device);
+ struct gatt_primary *pattr;
+ GSList *primaries, *l;
+
+ primaries = btd_device_get_primaries(device);
+
+ l = g_slist_find_custom(primaries, HEART_RATE_UUID,
+ primary_uuid_cmp);
+ if (l == NULL)
+ return -EINVAL;
+
+ pattr = l->data;
+
+ return heartrate_register(device, pattr);
}
static void heartrate_driver_remove(struct btd_device *device)
--
1.7.9.5
--
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