[PATCH] Implement ATT handle indications
From: Elvis Pfützenreuter <hidden>
Date: 2011-02-25 12:37:37
Subsystem:
the rest · Maintainer:
Linus Torvalds
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