Return-Path: From: Michael Janssen To: linux-bluetooth@vger.kernel.org Cc: Michael Janssen Subject: [PATCH BlueZ 3/3] shared/gatt-db: enable foreach early termination Date: Thu, 11 Dec 2014 11:53:37 -0800 Message-Id: <1418327617-26951-4-git-send-email-jamuraa@chromium.org> In-Reply-To: <1418327617-26951-1-git-send-email-jamuraa@chromium.org> References: <1418327617-26951-1-git-send-email-jamuraa@chromium.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Adds early termination to the iteration callbacks used in gatt-db. Returning false from a callback will terminate the iteration. --- src/shared/gatt-client.c | 8 +++----- src/shared/gatt-db.c | 10 ++++++---- src/shared/gatt-db.h | 2 +- tools/btgatt-client.c | 32 ++++++++++++++++++++++---------- tools/btgatt-server.c | 24 ++++++++++++++++-------- unit/test-gatt.c | 32 +++++++++++++++++--------------- 6 files changed, 65 insertions(+), 43 deletions(-) diff --git a/src/shared/gatt-client.c b/src/shared/gatt-client.c index 047de22..fcf2965 100644 --- a/src/shared/gatt-client.c +++ b/src/shared/gatt-client.c @@ -137,20 +137,18 @@ static void notify_data_unref(void *data) free(notify_data); } -static void find_ccc(struct gatt_db_attribute *attr, void *user_data) +static bool find_ccc(struct gatt_db_attribute *attr, void *user_data) { struct gatt_db_attribute **ccc_ptr = user_data; bt_uuid_t uuid; - if (*ccc_ptr) - return; - bt_uuid16_create(&uuid, GATT_CLIENT_CHARAC_CFG_UUID); if (bt_uuid_cmp(&uuid, gatt_db_attribute_get_type(attr))) - return; + return true; *ccc_ptr = attr; + return false; } static struct notify_chrc *notify_chrc_create(struct bt_gatt_client *client, diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c index 0e3acf2..1d78b37 100644 --- a/src/shared/gatt-db.c +++ b/src/shared/gatt-db.c @@ -1025,8 +1025,8 @@ static bool foreach_service_in_range(void *data, void *user_data) return true; } - foreach_data->func(service->attributes[0], foreach_data->user_data); - return true; + return foreach_data->func(service->attributes[0], + foreach_data->user_data); } void gatt_db_foreach_service_in_range(struct gatt_db *db, @@ -1072,7 +1072,8 @@ void gatt_db_service_foreach(struct gatt_db_attribute *attrib, if (uuid && bt_uuid_cmp(uuid, &attr->uuid)) continue; - func(attr, user_data); + if (!func(attr, user_data)) + return; } } @@ -1112,7 +1113,8 @@ void gatt_db_service_foreach_desc(struct gatt_db_attribute *attrib, !bt_uuid_cmp(&included_service_uuid, &attr->uuid)) return; - func(attr, user_data); + if (!func(attr, user_data)) + return; } } diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h index e5fe6bb..4ecaf6a 100644 --- a/src/shared/gatt-db.h +++ b/src/shared/gatt-db.h @@ -102,7 +102,7 @@ void gatt_db_find_information(struct gatt_db *db, uint16_t start_handle, struct queue *queue); -typedef void (*gatt_db_attribute_cb_t)(struct gatt_db_attribute *attrib, +typedef bool (*gatt_db_attribute_cb_t)(struct gatt_db_attribute *attrib, void *user_data); void gatt_db_foreach_service(struct gatt_db *db, const bt_uuid_t *uuid, diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c index 015142d..5da72f8 100644 --- a/tools/btgatt-client.c +++ b/tools/btgatt-client.c @@ -114,14 +114,18 @@ static void log_service_event(struct gatt_db_attribute *attr, const char *str) start, end); } -static void service_added_cb(struct gatt_db_attribute *attr, void *user_data) +static bool service_added_cb(struct gatt_db_attribute *attr, void *user_data) { log_service_event(attr, "Service Added"); + + return true; } -static void service_removed_cb(struct gatt_db_attribute *attr, void *user_data) +static bool service_removed_cb(struct gatt_db_attribute *attr, void *user_data) { log_service_event(attr, "Service Removed"); + + return true; } static struct client *client_create(int fd, uint16_t mtu) @@ -211,7 +215,7 @@ static void print_uuid(const bt_uuid_t *uuid) printf("%s\n", uuid_str); } -static void print_incl(struct gatt_db_attribute *attr, void *user_data) +static bool print_incl(struct gatt_db_attribute *attr, void *user_data) { struct client *cli = user_data; uint16_t handle, start, end; @@ -219,11 +223,11 @@ static void print_incl(struct gatt_db_attribute *attr, void *user_data) bt_uuid_t uuid; if (!gatt_db_attribute_get_incl_data(attr, &handle, &start, &end)) - return; + return true; service = gatt_db_get_attribute(cli->db, start); if (!service) - return; + return true; gatt_db_attribute_get_service_uuid(service, &uuid); @@ -231,17 +235,21 @@ static void print_incl(struct gatt_db_attribute *attr, void *user_data) "0x%04x, - start: 0x%04x, end: 0x%04x," "uuid: ", handle, start, end); print_uuid(&uuid); + + return true; } -static void print_desc(struct gatt_db_attribute *attr, void *user_data) +static bool print_desc(struct gatt_db_attribute *attr, void *user_data) { printf("\t\t " COLOR_MAGENTA "descr" COLOR_OFF " - handle: 0x%04x, uuid: ", gatt_db_attribute_get_handle(attr)); print_uuid(gatt_db_attribute_get_type(attr)); + + return true; } -static void print_chrc(struct gatt_db_attribute *attr, void *user_data) +static bool print_chrc(struct gatt_db_attribute *attr, void *user_data) { uint16_t handle, value_handle; uint8_t properties; @@ -251,7 +259,7 @@ static void print_chrc(struct gatt_db_attribute *attr, void *user_data) &value_handle, &properties, &uuid)) - return; + return true; printf("\t " COLOR_YELLOW "charac" COLOR_OFF " - start: 0x%04x, value: 0x%04x, " @@ -260,9 +268,11 @@ static void print_chrc(struct gatt_db_attribute *attr, void *user_data) print_uuid(&uuid); gatt_db_service_foreach_desc(attr, print_desc, NULL); + + return true; } -static void print_service(struct gatt_db_attribute *attr, void *user_data) +static bool print_service(struct gatt_db_attribute *attr, void *user_data) { struct client *cli = user_data; uint16_t start, end; @@ -271,7 +281,7 @@ static void print_service(struct gatt_db_attribute *attr, void *user_data) if (!gatt_db_attribute_get_service_data(attr, &start, &end, &primary, &uuid)) - return; + return true; printf(COLOR_RED "service" COLOR_OFF " - start: 0x%04x, " "end: 0x%04x, type: %s, uuid: ", @@ -282,6 +292,8 @@ static void print_service(struct gatt_db_attribute *attr, void *user_data) gatt_db_service_foreach_char(attr, print_chrc, NULL); printf("\n"); + + return true; } static void print_services(struct client *cli) diff --git a/tools/btgatt-server.c b/tools/btgatt-server.c index 1a9b9fb..4533636 100644 --- a/tools/btgatt-server.c +++ b/tools/btgatt-server.c @@ -894,7 +894,7 @@ static void print_uuid(const bt_uuid_t *uuid) printf("%s\n", uuid_str); } -static void print_incl(struct gatt_db_attribute *attr, void *user_data) +static bool print_incl(struct gatt_db_attribute *attr, void *user_data) { struct server *server = user_data; uint16_t handle, start, end; @@ -902,11 +902,11 @@ static void print_incl(struct gatt_db_attribute *attr, void *user_data) bt_uuid_t uuid; if (!gatt_db_attribute_get_incl_data(attr, &handle, &start, &end)) - return; + return true; service = gatt_db_get_attribute(server->db, start); if (!service) - return; + return true; gatt_db_attribute_get_service_uuid(service, &uuid); @@ -914,17 +914,21 @@ static void print_incl(struct gatt_db_attribute *attr, void *user_data) "0x%04x, - start: 0x%04x, end: 0x%04x," "uuid: ", handle, start, end); print_uuid(&uuid); + + return true; } -static void print_desc(struct gatt_db_attribute *attr, void *user_data) +static bool print_desc(struct gatt_db_attribute *attr, void *user_data) { printf("\t\t " COLOR_MAGENTA "descr" COLOR_OFF " - handle: 0x%04x, uuid: ", gatt_db_attribute_get_handle(attr)); print_uuid(gatt_db_attribute_get_type(attr)); + + return true; } -static void print_chrc(struct gatt_db_attribute *attr, void *user_data) +static bool print_chrc(struct gatt_db_attribute *attr, void *user_data) { uint16_t handle, value_handle; uint8_t properties; @@ -934,7 +938,7 @@ static void print_chrc(struct gatt_db_attribute *attr, void *user_data) &value_handle, &properties, &uuid)) - return; + return true; printf("\t " COLOR_YELLOW "charac" COLOR_OFF " - start: 0x%04x, value: 0x%04x, " @@ -943,9 +947,11 @@ static void print_chrc(struct gatt_db_attribute *attr, void *user_data) print_uuid(&uuid); gatt_db_service_foreach_desc(attr, print_desc, NULL); + + return true; } -static void print_service(struct gatt_db_attribute *attr, void *user_data) +static bool print_service(struct gatt_db_attribute *attr, void *user_data) { struct server *server = user_data; uint16_t start, end; @@ -954,7 +960,7 @@ static void print_service(struct gatt_db_attribute *attr, void *user_data) if (!gatt_db_attribute_get_service_data(attr, &start, &end, &primary, &uuid)) - return; + return true; printf(COLOR_RED "service" COLOR_OFF " - start: 0x%04x, " "end: 0x%04x, type: %s, uuid: ", @@ -965,6 +971,8 @@ static void print_service(struct gatt_db_attribute *attr, void *user_data) gatt_db_service_foreach_char(attr, print_chrc, NULL); printf("\n"); + + return true; } static void cmd_services(struct server *server, char *cmd_str) diff --git a/unit/test-gatt.c b/unit/test-gatt.c index 5f5ad1b..4d891d9 100644 --- a/unit/test-gatt.c +++ b/unit/test-gatt.c @@ -313,19 +313,17 @@ static bool matching_desc_data(struct gatt_db_attribute *a, return a_handle == b_handle && !bt_uuid_cmp(a_uuid, b_uuid); } -static void find_matching_desc(struct gatt_db_attribute *source_desc_attr, +static bool find_matching_desc(struct gatt_db_attribute *source_desc_attr, void *user_data) { struct db_attribute_test_data *desc_test_data = user_data; - if (desc_test_data->found) - return; - desc_test_data->found = matching_desc_data(desc_test_data->match, source_desc_attr); + return !desc_test_data->found; } -static void match_descs(struct gatt_db_attribute *client_desc_attr, +static bool match_descs(struct gatt_db_attribute *client_desc_attr, void *user_data) { struct gatt_db_attribute *source_char_attr = user_data; @@ -338,6 +336,7 @@ static void match_descs(struct gatt_db_attribute *client_desc_attr, &desc_test_data); g_assert(desc_test_data.found); + return true; } static bool matching_char_data(struct gatt_db_attribute *a, @@ -357,23 +356,23 @@ static bool matching_char_data(struct gatt_db_attribute *a, !bt_uuid_cmp(&a_uuid, &b_uuid); } -static void find_matching_char(struct gatt_db_attribute *source_char_attr, +static bool find_matching_char(struct gatt_db_attribute *source_char_attr, void *user_data) { struct db_attribute_test_data *char_test_data = user_data; - if (char_test_data->found) - return; - if (matching_char_data(char_test_data->match, source_char_attr)) { gatt_db_service_foreach_desc(char_test_data->match, match_descs, source_char_attr); char_test_data->found = true; + return false; } + + return true; } -static void match_chars(struct gatt_db_attribute *client_char_attr, +static bool match_chars(struct gatt_db_attribute *client_char_attr, void *user_data) { struct gatt_db_attribute *source_serv_attr = user_data; @@ -386,6 +385,8 @@ static void match_chars(struct gatt_db_attribute *client_char_attr, &char_test_data); g_assert(char_test_data.found); + + return true; } static bool matching_service_data(struct gatt_db_attribute *a, @@ -404,22 +405,22 @@ static bool matching_service_data(struct gatt_db_attribute *a, !bt_uuid_cmp(&a_uuid, &b_uuid); } -static void find_matching_service(struct gatt_db_attribute *source_serv_attr, +static bool find_matching_service(struct gatt_db_attribute *source_serv_attr, void *user_data) { struct db_attribute_test_data *serv_test_data = user_data; - if (serv_test_data->found) - return; - if (matching_service_data(serv_test_data->match, source_serv_attr)) { gatt_db_service_foreach_char(serv_test_data->match, match_chars, source_serv_attr); serv_test_data->found = true; + return false; } + + return true; } -static void match_services(struct gatt_db_attribute *client_serv_attr, +static bool match_services(struct gatt_db_attribute *client_serv_attr, void *user_data) { struct gatt_db *source_db = user_data; @@ -432,6 +433,7 @@ static void match_services(struct gatt_db_attribute *client_serv_attr, find_matching_service, &serv_test_data); g_assert(serv_test_data.found); + return true; } static void client_ready_cb(bool success, uint8_t att_ecode, void *user_data) -- 2.2.0.rc0.207.ga3a616c