Return-Path: From: Ravi kumar Veeramally To: linux-bluetooth@vger.kernel.org Cc: Ravi kumar Veeramally Subject: [PATCH_v3 2/6] android/health: Cache remote mdep id on channel connect request Date: Sun, 22 Jun 2014 14:58:57 +0300 Message-Id: <1403438341-14321-3-git-send-email-ravikumar.veeramally@linux.intel.com> In-Reply-To: <1403438341-14321-1-git-send-email-ravikumar.veeramally@linux.intel.com> References: <1403438341-14321-1-git-send-email-ravikumar.veeramally@linux.intel.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Remote mdep is required to initiate MD_CREATE_MDL_REQ request. --- android/health.c | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 123 insertions(+), 1 deletion(-) diff --git a/android/health.c b/android/health.c index 21c3bcd..a68f5e9 100644 --- a/android/health.c +++ b/android/health.c @@ -95,6 +95,11 @@ struct health_channel { struct health_device *dev; + uint8_t remote_mdep; + struct mcap_mdl *mdl; + bool mdl_conn; + uint16_t mdl_id; /* MDL ID */ + uint16_t id; /* channel id */ }; @@ -1011,6 +1016,111 @@ static void mcap_mdl_reconn_req_cb(struct mcap_mdl *mdl, void *data) DBG("Not Implemeneted"); } +static bool check_role(uint8_t rec_role, uint8_t app_role) +{ + if ((rec_role == HAL_HEALTH_MDEP_ROLE_SINK && + app_role == HAL_HEALTH_MDEP_ROLE_SOURCE) || + (rec_role == HAL_HEALTH_MDEP_ROLE_SOURCE && + app_role == HAL_HEALTH_MDEP_ROLE_SINK)) + return true; + + return false; +} + +static bool get_mdep_from_rec(const sdp_record_t *rec, uint8_t role, + uint16_t d_type, uint8_t *mdep) +{ + sdp_data_t *list, *feat; + + if (!mdep) + return false; + + list = sdp_data_get(rec, SDP_ATTR_SUPPORTED_FEATURES_LIST); + if (!list || !SDP_IS_SEQ(list->dtd)) + return false; + + for (feat = list->val.dataseq; feat; feat = feat->next) { + sdp_data_t *data_type, *mdepid, *role_t; + + if (!SDP_IS_SEQ(feat->dtd)) + continue; + + mdepid = feat->val.dataseq; + if (!mdepid) + continue; + + data_type = mdepid->next; + if (!data_type) + continue; + + role_t = data_type->next; + if (!role_t) + continue; + + if (data_type->dtd != SDP_UINT16 || mdepid->dtd != SDP_UINT8 || + role_t->dtd != SDP_UINT8) + continue; + + if (data_type->val.uint16 != d_type || + !check_role(role_t->val.uint8, role)) + continue; + + *mdep = mdepid->val.uint8; + + return true; + } + + return false; +} + +static void get_mdep_cb(sdp_list_t *recs, int err, gpointer user_data) +{ + struct health_channel *channel = user_data; + struct health_app *app; + struct mdep_cfg *mdep; + uint8_t mdep_id; + + if (err < 0 || !recs) { + error("health: error getting remote SDP records"); + goto fail; + } + + app = queue_find(apps, app_by_app_id, INT_TO_PTR(channel->dev->app_id)); + if (!app) + goto fail; + + mdep = queue_find(app->mdeps, mdep_by_mdep_id, + INT_TO_PTR(channel->mdep_id)); + if (!mdep) + goto fail; + + if (!get_mdep_from_rec(recs->data, mdep->role, mdep->data_type, + &mdep_id)) { + error("health: no matching MDEP found"); + goto fail; + } + + channel->remote_mdep = mdep_id; + + /* TODO : create mdl */ + return; + +fail: + destroy_channel(channel); +} + +static int get_mdep(struct health_channel *channel) +{ + uuid_t uuid; + + DBG(""); + + bt_string2uuid(&uuid, HDP_UUID); + + return bt_search_service(&adapter_addr, &channel->dev->dst, &uuid, + get_mdep_cb, channel, NULL, 0); +} + static void create_mcl_cb(struct mcap_mcl *mcl, GError *err, gpointer data) { struct health_channel *channel = data; @@ -1047,7 +1157,11 @@ static void create_mcl_cb(struct mcap_mcl *mcl, GError *err, gpointer data) goto fail; } - /* TODO : create mdl */ + if (get_mdep(channel) < 0) { + error("health: error getting remote MDEP from SDP record"); + goto fail; + } + return; fail: @@ -1236,6 +1350,14 @@ static void bt_health_connect_channel(const void *buf, uint16_t len) error("health:error retrieving HDP SDP record"); goto fail; } + } else { + /* data channel is already connected */ + if (channel->mdl && channel->mdl_conn) + goto fail; + + /* create mdl if it does not exists */ + if (!channel->mdl && get_mdep(channel) < 0) + goto fail; } rsp.channel_id = channel->id; -- 1.9.1