Add characteristics read options in interactive gatttool
diff --git a/attrib/interactive.c b/attrib/interactive.c
index 89e244a..c5dd2b7 100644
--- a/attrib/interactive.c
+++ b/attrib/interactive.c
@@ -50,6 +50,13 @@
static int opt_psm = 0;
static int opt_mtu = 0;
+struct characteristic_data {
+ uint16_t orig_start;
+ uint16_t start;
+ uint16_t end;
+ uuid_t uuid;
+};
+
static void cmd_help(int argcp, char **argvp);
enum state {
@@ -210,6 +217,79 @@
rl_forced_update_display();
}
+static void char_read_cb(guint8 status, const guint8 *pdu, guint16 plen,
+ gpointer user_data)
+{
+ uint8_t value[ATT_MAX_MTU];
+ int i, vlen;
+
+ if (status != 0) {
+ printf("Characteristic value/descriptor read failed: %s\n",
+ att_ecode2str(status));
+ return;
+ }
+
+ if (!dec_read_resp(pdu, plen, value, &vlen)) {
+ printf("Protocol error\n");
+ return;
+ }
+
+ printf("\nCharacteristic value/descriptor: ");
+ for (i = 0; i < vlen; i++)
+ printf("%02x ", value[i]);
+ printf("\n");
+
+ rl_forced_update_display();
+}
+
+static void char_read_by_uuid_cb(guint8 status, const guint8 *pdu,
+ guint16 plen, gpointer user_data)
+{
+ struct characteristic_data *char_data = user_data;
+ struct att_data_list *list;
+ int i;
+
+ if (status == ATT_ECODE_ATTR_NOT_FOUND &&
+ char_data->start != char_data->orig_start)
+ goto done;
+
+ if (status != 0) {
+ printf("Read characteristics by UUID failed: %s\n",
+ att_ecode2str(status));
+ goto done;
+ }
+
+ list = dec_read_by_type_resp(pdu, plen);
+ if (list == NULL)
+ goto done;
+
+ for (i = 0; i < list->num; i++) {
+ uint8_t *value = list->data[i];
+ int j;
+
+ char_data->start = att_get_u16(value) + 1;
+
+ printf("\nhandle: 0x%04x \t value: ", att_get_u16(value));
+ value += 2;
+ for (j = 0; j < list->len - 2; j++, value++)
+ printf("%02x ", *value);
+ printf("\n");
+ }
+
+ att_data_list_free(list);
+
+ gatt_read_char_by_uuid(attrib, char_data->start, char_data->end,
+ &char_data->uuid, char_read_by_uuid_cb,
+ char_data);
+
+ rl_forced_update_display();
+
+ return;
+
+done:
+ g_free(char_data);
+}
+
static void cmd_exit(int argcp, char **argvp)
{
rl_callback_handler_remove();
@@ -350,6 +430,77 @@
gatt_find_info(attrib, start, end, char_desc_cb, NULL);
}
+static void cmd_read_hnd(int argcp, char **argvp)
+{
+ int handle;
+
+ if (conn_state != STATE_CONNECTED) {
+ printf("Command failed: disconnected\n");
+ return;
+ }
+
+ if (argcp < 2) {
+ printf("Missing argument: handle\n");
+ return;
+ }
+
+ handle = strtohandle(argvp[1]);
+ if (handle < 0) {
+ printf("Invalid handle: %s\n", argvp[1]);
+ return;
+ }
+
+ gatt_read_char(attrib, handle, char_read_cb, attrib);
+}
+
+static void cmd_read_uuid(int argcp, char **argvp)
+{
+ struct characteristic_data *char_data;
+ int start = 0x0001;
+ int end = 0xffff;
+ uuid_t uuid;
+
+ if (conn_state != STATE_CONNECTED) {
+ printf("Command failed: disconnected\n");
+ return;
+ }
+
+ if (argcp < 2) {
+ printf("Missing argument: UUID\n");
+ return;
+ }
+
+ if (bt_string2uuid(&uuid, argvp[1]) < 0) {
+ printf("Invalid UUID\n");
+ return;
+ }
+
+ if (argcp > 2) {
+ start = strtohandle(argvp[2]);
+ if (start < 0) {
+ printf("Invalid start handle: %s\n", argvp[1]);
+ return;
+ }
+ }
+
+ if (argcp > 3) {
+ end = strtohandle(argvp[3]);
+ if (end < 0) {
+ printf("Invalid end handle: %s\n", argvp[2]);
+ return;
+ }
+ }
+
+ char_data = g_new(struct characteristic_data, 1);
+ char_data->orig_start = start;
+ char_data->start = start;
+ char_data->end = end;
+ char_data->uuid = uuid;
+
+ gatt_read_char_by_uuid(attrib, start, end, &char_data->uuid,
+ char_read_by_uuid_cb, char_data);
+}
+
static struct {
const char *cmd;
void (*func)(int argcp, char **argvp);
@@ -370,6 +521,10 @@
"Characteristics Discovery" },
{ "char-desc", cmd_char_desc, "[start hnd] [end hnd]",
"Characteristics Descriptor Discovery" },
+ { "char-read-hnd", cmd_read_hnd, "<handle>",
+ "Characteristics Value/Descriptor Read by handle" },
+ { "char-read-uuid", cmd_read_uuid, "<UUID> [start hnd] [end hnd]",
+ "Characteristics Value/Descriptor Read by UUID" },
{ NULL, NULL, NULL}
};
@@ -378,7 +533,7 @@
int i;
for (i = 0; commands[i].cmd; i++)
- printf("%-15s %-25s %s\n", commands[i].cmd,
+ printf("%-15s %-30s %s\n", commands[i].cmd,
commands[i].params, commands[i].desc);
}
