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Bluetooth: SDP: Add API to get ProfileDescriptorList attribute

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Adds API enabling retrieve remote profile version.

Jira: ZEP-1112

Change-Id: I9b1a9a15848d5c485ec3dd2b405a6d51ce9b020e
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>
This commit is contained in:
Arkadiusz Lichwa 2017-01-05 14:57:11 +01:00 • committed by Johan Hedberg
commit a7e4eaafaa
2 changed files with 38 additions and 0 deletions
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15
include/bluetooth/sdp.h
View file

@ -541,6 +541,21 @@ enum bt_sdp_proto {
*/
int bt_sdp_get_proto_param(const struct net_buf *buf, enum bt_sdp_proto proto,
uint16_t *param);
/** @brief Get profile version.
*
* Helper API extracting remote profile version number. To get it proper
* generic profile parameter needs to be selected usually listed in SDP
* Interoperability Requirements section for given profile specification.
*
* @param buf Original buffered raw record data.
* @param profile Profile family identifier the profile belongs.
* @param version On success populated by found version number.
*
* @return 0 on success, negative value if error occurred during processing.
*/
int bt_sdp_get_profile_version(const struct net_buf *buf, uint16_t profile,
uint16_t *version);
#ifdef __cplusplus
}
#endif

23
subsys/bluetooth/host/sdp.c
View file

@ -1319,3 +1319,26 @@ int bt_sdp_get_proto_param(const struct net_buf *buf, enum bt_sdp_proto proto,
return sdp_get_param_item(&pd, param);
}
int bt_sdp_get_profile_version(const struct net_buf *buf, uint16_t profile,
uint16_t *version)
{
struct bt_sdp_attr_item attr;
struct bt_sdp_uuid_desc pd;
int res;
res = bt_sdp_get_attr(buf, &attr, BT_SDP_ATTR_PROFILE_DESC_LIST);
if (res < 0) {
BT_WARN("Attribute 0x%04x not found, err %d",
BT_SDP_ATTR_PROFILE_DESC_LIST, res);
return res;
}
res = sdp_get_uuid_data(&attr, &pd, profile);
if (res < 0) {
BT_WARN("Profile 0x%04x not found, err %d", profile, res);
return res;
}
return sdp_get_param_item(&pd, version);
}