Return-Path: From: Inga Stotland To: linux-bluetooth@vger.kernel.org Cc: rshaffer@codeaurora.org, johan.hedberg@gmail.com, marcel@holtmann.org, Inga Stotland Subject: [PATCH 6/6] Support for generating dictionary value of service UUIDs. Date: Sat, 31 Jul 2010 04:45:12 -0700 Message-Id: <1280576713-1398-7-git-send-email-ingas@codeaurora.org> In-Reply-To: <1280576713-1398-1-git-send-email-ingas@codeaurora.org> References: <1280576713-1398-1-git-send-email-ingas@codeaurora.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Add service UUIDs from EIR to device properties in "Device Found" signal. --- src/adapter.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-- src/adapter.h | 4 +- src/dbus-hci.c | 6 ++-- 3 files changed, 97 insertions(+), 8 deletions(-) diff --git a/src/adapter.c b/src/adapter.c index 2560440..b353fa6 100644 --- a/src/adapter.c +++ b/src/adapter.c @@ -2748,8 +2748,84 @@ static void emit_device_found(const char *path, const char *address, g_dbus_send_message(connection, signal); } +static int get_uuid_count_eir(uint8_t *eir_data) +{ + uint8_t len = 0; + int count = 0; + + while (len < EIR_DATA_LENGTH) { + uint8_t type = eir_data[1]; + uint8_t field_len = eir_data[0]; + if (type == EIR_UUID16_SOME || type == EIR_UUID16_ALL) + count += field_len/2; + else if (type == EIR_UUID32_SOME || type == EIR_UUID32_ALL) + count += field_len/4; + else if (type == EIR_UUID128_SOME || type == EIR_UUID128_ALL) + count += field_len/16; + len += field_len + 1; + eir_data += field_len + 1; + } + + return count; +} + +static void get_uuids_eir(char **uuids, uint8_t *eir_data) +{ + uint8_t len = 0; + + /* Count UUID16, UUID32 and UUID128 */ + while (len < EIR_DATA_LENGTH) { + uint8_t field_len = eir_data[0]; + uint8_t type = eir_data[1]; + int count; + uuid_t service; + int size; + uint8_t *data = &eir_data[2]; + int i, k; + + /* Generate uuids in SDP format (EIR data is Little Endian) */ + if (type == EIR_UUID16_SOME || type == EIR_UUID16_ALL) { + size = 2; + count = field_len/size; + service.type = SDP_UUID16; + for (i = 0; i < count; i++) { + uint16_t val16 = data[1]; + val16 = (val16<<8) + data[0]; + service.value.uuid16 = val16; + *uuids++ = bt_uuid2string(&service); + data += size; + } + } else if (type == EIR_UUID32_SOME || type == EIR_UUID32_ALL) { + size = 4; + count = field_len/size; + service.type = SDP_UUID32; + for (i = 0; i < count; i++) { + uint32_t val32 = data[3]; + for (k = size-2; k >= 0; k--) + val32 = (val32<<8) + data[k]; + service.value.uuid32 = val32; + *uuids++ = bt_uuid2string(&service); + data += size; + } + } else if (type == EIR_UUID128_SOME || type == EIR_UUID128_ALL) { + size = 16; + count = field_len/size; + service.type = SDP_UUID128; + for (i = 0; i < count; i++) { + for (k = 0; k < size; k++) + service.value.uuid128.data[k] = data[size-k-1]; + *uuids++ = bt_uuid2string(&service); + data += size; + } + } + + len += field_len + 1; + eir_data += field_len + 1; + } +} + void adapter_emit_device_found(struct btd_adapter *adapter, - struct remote_dev_info *dev) + struct remote_dev_info *dev, uint8_t *eir_data) { struct btd_device *device; char peer_addr[18], local_addr[18]; @@ -2757,6 +2833,8 @@ void adapter_emit_device_found(struct btd_adapter *adapter, dbus_bool_t paired = FALSE; dbus_int16_t rssi = dev->rssi; char *alias; + char **uuids = NULL; + int uuid_count = 0; ba2str(&dev->bdaddr, peer_addr); ba2str(&adapter->bdaddr, local_addr); @@ -2776,6 +2854,15 @@ void adapter_emit_device_found(struct btd_adapter *adapter, } else alias = g_strdup(dev->alias); + /* Extract UUIDs from extended inquiry response if any*/ + if (eir_data != NULL) + uuid_count = get_uuid_count_eir(eir_data); + + if (uuid_count > 0) { + uuids = g_new0(char *, uuid_count + 1); + get_uuids_eir(uuids, eir_data); + } + emit_device_found(adapter->path, paddr, "Address", DBUS_TYPE_STRING, &paddr, "Class", DBUS_TYPE_UINT32, &dev->class, @@ -2785,15 +2872,17 @@ void adapter_emit_device_found(struct btd_adapter *adapter, "Alias", DBUS_TYPE_STRING, &alias, "LegacyPairing", DBUS_TYPE_BOOLEAN, &dev->legacy, "Paired", DBUS_TYPE_BOOLEAN, &paired, + "UUIDs", DBUS_TYPE_ARRAY, &uuids, uuid_count, NULL); g_free(alias); + g_strfreev(uuids); } void adapter_update_found_devices(struct btd_adapter *adapter, bdaddr_t *bdaddr, int8_t rssi, uint32_t class, const char *name, const char *alias, gboolean legacy, - name_status_t name_status) + name_status_t name_status, uint8_t *eir_data) { struct remote_dev_info *dev, match; @@ -2832,7 +2921,7 @@ done: adapter->found_devices = g_slist_sort(adapter->found_devices, (GCompareFunc) dev_rssi_cmp); - adapter_emit_device_found(adapter, dev); + adapter_emit_device_found(adapter, dev, eir_data); } int adapter_remove_found_device(struct btd_adapter *adapter, bdaddr_t *bdaddr) diff --git a/src/adapter.h b/src/adapter.h index 8226514..a7eca0e 100644 --- a/src/adapter.h +++ b/src/adapter.h @@ -113,10 +113,10 @@ struct remote_dev_info *adapter_search_found_devices(struct btd_adapter *adapter void adapter_update_found_devices(struct btd_adapter *adapter, bdaddr_t *bdaddr, int8_t rssi, uint32_t class, const char *name, const char *alias, gboolean legacy, - name_status_t name_status); + name_status_t name_status, uint8_t *eir_data); int adapter_remove_found_device(struct btd_adapter *adapter, bdaddr_t *bdaddr); void adapter_emit_device_found(struct btd_adapter *adapter, - struct remote_dev_info *dev); + struct remote_dev_info *dev, uint8_t *eir_data); void adapter_update_oor_devices(struct btd_adapter *adapter); void adapter_mode_changed(struct btd_adapter *adapter, uint8_t scan_mode); void adapter_setname_complete(bdaddr_t *local, uint8_t status); diff --git a/src/dbus-hci.c b/src/dbus-hci.c index b83506f..6d27caa 100644 --- a/src/dbus-hci.c +++ b/src/dbus-hci.c @@ -515,7 +515,7 @@ void hcid_dbus_inquiry_result(bdaddr_t *local, bdaddr_t *peer, uint32_t class, if (dev) { adapter_update_found_devices(adapter, peer, rssi, class, NULL, NULL, dev->legacy, - NAME_NOT_REQUIRED); + NAME_NOT_REQUIRED, data); return; } @@ -566,7 +566,7 @@ void hcid_dbus_inquiry_result(bdaddr_t *local, bdaddr_t *peer, uint32_t class, /* add in the list to track name sent/pending */ adapter_update_found_devices(adapter, peer, rssi, class, name, alias, - legacy, name_status); + legacy, name_status, data); g_free(name); g_free(alias); @@ -642,7 +642,7 @@ void hcid_dbus_remote_name(bdaddr_t *local, bdaddr_t *peer, uint8_t status, if (dev_info) { g_free(dev_info->name); dev_info->name = g_strdup(name); - adapter_emit_device_found(adapter, dev_info); + adapter_emit_device_found(adapter, dev_info, NULL); } if (device) -- 1.7.2 -- Inga Stotland Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.