Re: [PATCH] Implement ATT handle indications

Treatment of near-concomitant indications, the first possibly blocking
the second, will be implemented in another patch.
---
src/attrib-server.c |   24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/src/attrib-server.c b/src/attrib-server.c
index 5f645bb..2114700 100644
--- a/src/attrib-server.c
+++ b/src/attrib-server.c

@@ -58,6 +58,7 @@ struct gatt_channel {

	guint mtu;
	guint id;
	gboolean encrypted;
+	guint outstanding_indications;
};

struct group_elem {

@@ -872,6 +873,10 @@ static void channel_handler(const uint8_t *ipdu, uint16_t len,

		length = find_by_type(start, end, &uuid, value, vlen,
							opdu, channel->mtu);
		break;
+	case ATT_OP_HANDLE_CNF:
+		if (channel->outstanding_indications)
+			channel->outstanding_indications -= 1;
+		return;
	case ATT_OP_READ_MULTI_REQ:
	case ATT_OP_PREP_WRITE_REQ:
	case ATT_OP_EXEC_WRITE_REQ:

@@ -969,6 +974,25 @@ static void attrib_notify_clients(struct attribute *attr)

			g_attrib_send(channel->attrib, 0, pdu[0], pdu, len,
							NULL, NULL, NULL);
		}
+
+		if (channel->outstanding_indications)
+			continue;
+
+		/* Indication */
+		if (g_slist_find_custom(channel->indicate,
+				GUINT_TO_POINTER(handle), handle_cmp) != NULL) {
+			uint8_t pdu[ATT_MAX_MTU];
+			uint16_t len;
+
+			len = enc_indication(attr, pdu, channel->mtu);
+			if (len == 0)
+				return;
+
+			g_attrib_send(channel->attrib, 0, pdu[0], pdu, len,
+							NULL, NULL, NULL);
+
+			channel->outstanding_indications += 1;
+		}
	}
}

-- 
1.7.1