This patch implements a version of GAttrib which is backed by
bt_att, which enables the simultaneous use of GAttrib and bt_att.
This should enable smooth transition of profiles from the GAttrib
API to the src/shared bt_att API.
---
attrib/gattrib.c | 733 ++++++++++++-------------------------------------------
1 file changed, 154 insertions(+), 579 deletions(-)
diff --git a/attrib/gattrib.c b/attrib/gattrib.c
index fa51b6d..b55e437 100644
--- a/attrib/gattrib.c
+++ b/attrib/gattrib.c
@@ -36,227 +36,124 @@
#include <bluetooth/bluetooth.h>
#include "btio/btio.h"
-#include "lib/uuid.h"
-#include "src/shared/util.h"
#include "src/log.h"
-#include "attrib/att.h"
+#include "src/shared/util.h"
+#include "src/shared/att.h"
#include "attrib/gattrib.h"
-#define GATT_TIMEOUT 30
-
struct _GAttrib {
+ int ref_count;
+ struct bt_att *att;
GIOChannel *io;
- int refs;
- uint8_t *buf;
- size_t buflen;
- guint read_watch;
- guint write_watch;
- guint timeout_watch;
- GQueue *requests;
- GQueue *responses;
- GSList *events;
- guint next_cmd_id;
GDestroyNotify destroy;
gpointer destroy_user_data;
- bool stale;
+ GQueue *callbacks;
+ uint8_t *buf;
+ int buflen;
};
-struct command {
- guint id;
- guint8 opcode;
- guint8 *pdu;
- guint16 len;
- guint8 expected;
- bool sent;
- GAttribResultFunc func;
- gpointer user_data;
- GDestroyNotify notify;
-};
-struct event {
- guint id;
- guint8 expected;
- guint16 handle;
- GAttribNotifyFunc func;
+struct attrib_callbacks {
+ GAttribResultFunc result_func;
+ GAttribNotifyFunc notify_func;
+ GDestroyNotify destroy_func;
gpointer user_data;
- GDestroyNotify notify;
+ GAttrib *parent;
+ uint16_t notify_handle;
};
-static guint8 opcode2expected(guint8 opcode)
+GAttrib *g_attrib_new(GIOChannel *io, guint16 mtu)
{
- switch (opcode) {
- case ATT_OP_MTU_REQ:
- return ATT_OP_MTU_RESP;
-
- case ATT_OP_FIND_INFO_REQ:
- return ATT_OP_FIND_INFO_RESP;
-
- case ATT_OP_FIND_BY_TYPE_REQ:
- return ATT_OP_FIND_BY_TYPE_RESP;
-
- case ATT_OP_READ_BY_TYPE_REQ:
- return ATT_OP_READ_BY_TYPE_RESP;
-
- case ATT_OP_READ_REQ:
- return ATT_OP_READ_RESP;
-
- case ATT_OP_READ_BLOB_REQ:
- return ATT_OP_READ_BLOB_RESP;
-
- case ATT_OP_READ_MULTI_REQ:
- return ATT_OP_READ_MULTI_RESP;
+ gint fd;
+ GAttrib *attr;
- case ATT_OP_READ_BY_GROUP_REQ:
- return ATT_OP_READ_BY_GROUP_RESP;
+ if (!io)
+ return NULL;
- case ATT_OP_WRITE_REQ:
- return ATT_OP_WRITE_RESP;
+ fd = g_io_channel_unix_get_fd(io);
+ attr = new0(GAttrib, 1);
+ if (!attr)
+ return NULL;
- case ATT_OP_PREP_WRITE_REQ:
- return ATT_OP_PREP_WRITE_RESP;
+ g_io_channel_ref(io);
+ attr->io = io;
- case ATT_OP_EXEC_WRITE_REQ:
- return ATT_OP_EXEC_WRITE_RESP;
+ attr->att = bt_att_new(fd);
+ if (!attr->att)
+ goto fail;
- case ATT_OP_HANDLE_IND:
- return ATT_OP_HANDLE_CNF;
- }
+ attr->buf = g_malloc0(mtu);
+ attr->buflen = mtu;
+ if (!attr->buf)
+ goto fail;
- return 0;
-}
+ attr->callbacks = g_queue_new();
+ if (!attr->callbacks)
+ goto fail;
-static bool is_response(guint8 opcode)
-{
- switch (opcode) {
- case ATT_OP_ERROR:
- case ATT_OP_MTU_RESP:
- case ATT_OP_FIND_INFO_RESP:
- case ATT_OP_FIND_BY_TYPE_RESP:
- case ATT_OP_READ_BY_TYPE_RESP:
- case ATT_OP_READ_RESP:
- case ATT_OP_READ_BLOB_RESP:
- case ATT_OP_READ_MULTI_RESP:
- case ATT_OP_READ_BY_GROUP_RESP:
- case ATT_OP_WRITE_RESP:
- case ATT_OP_PREP_WRITE_RESP:
- case ATT_OP_EXEC_WRITE_RESP:
- case ATT_OP_HANDLE_CNF:
- return true;
- }
+ return g_attrib_ref(attr);
- return false;
-}
-
-static bool is_request(guint8 opcode)
-{
- switch (opcode) {
- case ATT_OP_MTU_REQ:
- case ATT_OP_FIND_INFO_REQ:
- case ATT_OP_FIND_BY_TYPE_REQ:
- case ATT_OP_READ_BY_TYPE_REQ:
- case ATT_OP_READ_REQ:
- case ATT_OP_READ_BLOB_REQ:
- case ATT_OP_READ_MULTI_REQ:
- case ATT_OP_READ_BY_GROUP_REQ:
- case ATT_OP_WRITE_REQ:
- case ATT_OP_WRITE_CMD:
- case ATT_OP_PREP_WRITE_REQ:
- case ATT_OP_EXEC_WRITE_REQ:
- return true;
- }
-
- return false;
+fail:
+ free(attr->buf);
+ bt_att_unref(attr->att);
+ g_io_channel_unref(io);
+ free(attr);
+ return NULL;
}
GAttrib *g_attrib_ref(GAttrib *attrib)
{
- int refs;
-
if (!attrib)
return NULL;
- refs = __sync_add_and_fetch(&attrib->refs, 1);
+ __sync_fetch_and_add(&attrib->ref_count, 1);
- DBG("%p: ref=%d", attrib, refs);
+ DBG("%p: g_attrib_ref=%d ", attrib, attrib->ref_count);
return attrib;
}
-static void command_destroy(struct command *cmd)
+static void attrib_callbacks_destroy(void *user_data)
{
- if (cmd->notify)
- cmd->notify(cmd->user_data);
+ struct attrib_callbacks *cb;
- g_free(cmd->pdu);
- g_free(cmd);
-}
+ cb = (struct attrib_callbacks *)user_data;
+ if (!user_data || !g_queue_remove(cb->parent->callbacks, user_data))
+ return;
-static void event_destroy(struct event *evt)
-{
- if (evt->notify)
- evt->notify(evt->user_data);
+ if (cb->destroy_func)
+ cb->destroy_func(cb->user_data);
- g_free(evt);
+ free(user_data);
}
-static void attrib_destroy(GAttrib *attrib)
+void g_attrib_unref(GAttrib *attrib)
{
- GSList *l;
- struct command *c;
-
- while ((c = g_queue_pop_head(attrib->requests)))
- command_destroy(c);
-
- while ((c = g_queue_pop_head(attrib->responses)))
- command_destroy(c);
-
- g_queue_free(attrib->requests);
- attrib->requests = NULL;
-
- g_queue_free(attrib->responses);
- attrib->responses = NULL;
+ struct attrib_callbacks *cb;
- for (l = attrib->events; l; l = l->next)
- event_destroy(l->data);
-
- g_slist_free(attrib->events);
- attrib->events = NULL;
-
- if (attrib->timeout_watch > 0)
- g_source_remove(attrib->timeout_watch);
-
- if (attrib->write_watch > 0)
- g_source_remove(attrib->write_watch);
-
- if (attrib->read_watch > 0)
- g_source_remove(attrib->read_watch);
+ if (!attrib)
+ return;
- if (attrib->io)
- g_io_channel_unref(attrib->io);
+ DBG("%p: g_attrib_unref=%d ", attrib, attrib->ref_count-1);
- g_free(attrib->buf);
+ if (__sync_sub_and_fetch(&attrib->ref_count, 1))
+ return;
if (attrib->destroy)
attrib->destroy(attrib->destroy_user_data);
- g_free(attrib);
-}
+ while ((cb = g_queue_peek_head(attrib->callbacks)))
+ attrib_callbacks_destroy(cb);
-void g_attrib_unref(GAttrib *attrib)
-{
- int refs;
+ g_queue_free(attrib->callbacks);
- if (!attrib)
- return;
-
- refs = __sync_sub_and_fetch(&attrib->refs, 1);
+ g_free(attrib->buf);
- DBG("%p: ref=%d", attrib, refs);
+ bt_att_unref(attrib->att);
- if (refs > 0)
- return;
+ g_io_channel_unref(attrib->io);
- attrib_destroy(attrib);
+ g_free(attrib);
}
GIOChannel *g_attrib_get_channel(GAttrib *attrib)
@@ -270,7 +167,7 @@ GIOChannel *g_attrib_get_channel(GAttrib *attrib)
gboolean g_attrib_set_destroy_function(GAttrib *attrib,
GDestroyNotify destroy, gpointer user_data)
{
- if (attrib == NULL)
+ if (!attrib)
return FALSE;
attrib->destroy = destroy;
@@ -279,380 +176,130 @@ gboolean g_attrib_set_destroy_function(GAttrib *attrib,
return TRUE;
}
-static gboolean disconnect_timeout(gpointer data)
-{
- struct _GAttrib *attrib = data;
- struct command *c;
-
- g_attrib_ref(attrib);
-
- c = g_queue_pop_head(attrib->requests);
- if (c == NULL)
- goto done;
-
- if (c->func)
- c->func(ATT_ECODE_TIMEOUT, NULL, 0, c->user_data);
-
- command_destroy(c);
-
- while ((c = g_queue_pop_head(attrib->requests))) {
- if (c->func)
- c->func(ATT_ECODE_ABORTED, NULL, 0, c->user_data);
- command_destroy(c);
- }
-done:
- attrib->stale = true;
-
- g_attrib_unref(attrib);
-
- return FALSE;
-}
-
-static gboolean can_write_data(GIOChannel *io, GIOCondition cond,
- gpointer data)
+static void attrib_callback_result(uint8_t opcode, const void *pdu,
+ uint16_t length, void *user_data)
{
- struct _GAttrib *attrib = data;
- struct command *cmd;
- GError *gerr = NULL;
- gsize len;
- GIOStatus iostat;
- GQueue *queue;
-
- if (attrib->stale)
- return FALSE;
-
- if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL))
- return FALSE;
-
- queue = attrib->responses;
- cmd = g_queue_peek_head(queue);
- if (cmd == NULL) {
- queue = attrib->requests;
- cmd = g_queue_peek_head(queue);
- }
- if (cmd == NULL)
- return FALSE;
-
- /*
- * Verify that we didn't already send this command. This can only
- * happen with elementes from attrib->requests.
- */
- if (cmd->sent)
- return FALSE;
+ uint8_t *buf;
+ struct attrib_callbacks *cb = user_data;
+ guint8 status = 0;
- iostat = g_io_channel_write_chars(io, (char *) cmd->pdu, cmd->len,
- &len, &gerr);
- if (iostat != G_IO_STATUS_NORMAL) {
- if (gerr) {
- error("%s", gerr->message);
- g_error_free(gerr);
- }
+ if (!cb)
+ return;
- return FALSE;
- }
+ buf = g_malloc0(length+1);
+ if (!buf)
+ return;
- if (cmd->expected == 0) {
- g_queue_pop_head(queue);
- command_destroy(cmd);
+ buf[0] = opcode;
+ memcpy(buf+1, pdu, length);
- return TRUE;
+ if (opcode == BT_ATT_OP_ERROR_RSP) {
+ if (length < 4)
+ status = BT_ATT_ERROR_UNLIKELY;
+ else
+ status = buf[4];
}
- cmd->sent = true;
-
- if (attrib->timeout_watch == 0)
- attrib->timeout_watch = g_timeout_add_seconds(GATT_TIMEOUT,
- disconnect_timeout, attrib);
+ if (cb->result_func)
+ cb->result_func(status, buf, length+1, cb->user_data);
- return FALSE;
+ g_free(buf);
}
-static void destroy_sender(gpointer data)
-{
- struct _GAttrib *attrib = data;
- attrib->write_watch = 0;
- g_attrib_unref(attrib);
-}
-
-static void wake_up_sender(struct _GAttrib *attrib)
-{
- if (attrib->write_watch > 0)
- return;
-
- attrib = g_attrib_ref(attrib);
- attrib->write_watch = g_io_add_watch_full(attrib->io,
- G_PRIORITY_DEFAULT, G_IO_OUT,
- can_write_data, attrib, destroy_sender);
-}
-
-static bool match_event(struct event *evt, const uint8_t *pdu, gsize len)
-{
- guint16 handle;
-
- if (is_request(pdu[0]) && evt->expected == GATTRIB_ALL_REQS)
- return true;
-
- if (evt->expected == pdu[0] && evt->handle == GATTRIB_ALL_HANDLES)
- return true;
-
- if (len < 3)
- return false;
-
- handle = get_le16(&pdu[1]);
-
- if (evt->expected == pdu[0] && evt->handle == handle)
- return true;
-
- return false;
-}
-
-static gboolean received_data(GIOChannel *io, GIOCondition cond, gpointer data)
+static void attrib_callback_notify(uint8_t opcode, const void *pdu,
+ uint16_t length, void *user_data)
{
- struct _GAttrib *attrib = data;
- struct command *cmd = NULL;
- GSList *l;
- uint8_t buf[512], status;
- gsize len;
- GIOStatus iostat;
-
- if (attrib->stale)
- return FALSE;
-
- if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL)) {
- struct command *c;
-
- while ((c = g_queue_pop_head(attrib->requests))) {
- if (c->func)
- c->func(ATT_ECODE_IO, NULL, 0, c->user_data);
- command_destroy(c);
- }
-
- attrib->read_watch = 0;
-
- return FALSE;
- }
-
- memset(buf, 0, sizeof(buf));
-
- iostat = g_io_channel_read_chars(io, (char *) buf, sizeof(buf),
- &len, NULL);
- if (iostat != G_IO_STATUS_NORMAL) {
- status = ATT_ECODE_IO;
- goto done;
- }
-
- for (l = attrib->events; l; l = l->next) {
- struct event *evt = l->data;
-
- if (match_event(evt, buf, len))
- evt->func(buf, len, evt->user_data);
- }
-
- if (!is_response(buf[0]))
- return TRUE;
-
- if (attrib->timeout_watch > 0) {
- g_source_remove(attrib->timeout_watch);
- attrib->timeout_watch = 0;
- }
-
- cmd = g_queue_pop_head(attrib->requests);
- if (cmd == NULL) {
- /* Keep the watch if we have events to report */
- return attrib->events != NULL;
- }
-
- if (buf[0] == ATT_OP_ERROR) {
- status = buf[4];
- goto done;
- }
-
- if (cmd->expected != buf[0]) {
- status = ATT_ECODE_IO;
- goto done;
- }
-
- status = 0;
-
-done:
- if (!g_queue_is_empty(attrib->requests) ||
- !g_queue_is_empty(attrib->responses))
- wake_up_sender(attrib);
-
- if (cmd) {
- if (cmd->func)
- cmd->func(status, buf, len, cmd->user_data);
-
- command_destroy(cmd);
- }
+ uint8_t *buf;
+ struct attrib_callbacks *cb = user_data;
- return TRUE;
-}
+ if (!cb)
+ return;
-GAttrib *g_attrib_new(GIOChannel *io, guint16 mtu)
-{
- struct _GAttrib *attrib;
+ if (cb->notify_func == NULL)
+ return;
- g_io_channel_set_encoding(io, NULL, NULL);
- g_io_channel_set_buffered(io, FALSE);
+ if (cb->notify_handle != GATTRIB_ALL_HANDLES && length < 2)
+ return;
- attrib = g_try_new0(struct _GAttrib, 1);
- if (attrib == NULL)
- return NULL;
+ if (cb->notify_handle != GATTRIB_ALL_HANDLES &&
+ cb->notify_handle != get_le16(pdu))
+ return;
- attrib->buf = g_malloc0(mtu);
- attrib->buflen = mtu;
+ buf = g_malloc0(length+1);
+ if (!buf)
+ return;
- attrib->io = g_io_channel_ref(io);
- attrib->requests = g_queue_new();
- attrib->responses = g_queue_new();
+ buf[0] = opcode;
+ memcpy(buf+1, pdu, length);
- attrib->read_watch = g_io_add_watch(attrib->io,
- G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
- received_data, attrib);
+ cb->notify_func(buf, length+1, cb->user_data);
- return g_attrib_ref(attrib);
+ g_free(buf);
}
guint g_attrib_send(GAttrib *attrib, guint id, const guint8 *pdu, guint16 len,
GAttribResultFunc func, gpointer user_data,
GDestroyNotify notify)
{
- struct command *c;
- GQueue *queue;
- uint8_t opcode;
-
- if (attrib->stale)
- return 0;
+ struct attrib_callbacks *cb = NULL;
+ bt_att_response_func_t response_cb = NULL;
+ bt_att_destroy_func_t destroy_cb = NULL;
- c = g_try_new0(struct command, 1);
- if (c == NULL)
+ if (!pdu || !len)
return 0;
- opcode = pdu[0];
-
- c->opcode = opcode;
- c->expected = opcode2expected(opcode);
- c->pdu = g_malloc(len);
- memcpy(c->pdu, pdu, len);
- c->len = len;
- c->func = func;
- c->user_data = user_data;
- c->notify = notify;
-
- if (is_response(opcode))
- queue = attrib->responses;
- else
- queue = attrib->requests;
-
- if (id) {
- c->id = id;
- if (!is_response(opcode))
- g_queue_push_head(queue, c);
- else
- /* Don't re-order responses even if an ID is given */
- g_queue_push_tail(queue, c);
- } else {
- c->id = ++attrib->next_cmd_id;
- g_queue_push_tail(queue, c);
+ if (func || notify) {
+ cb = new0(struct attrib_callbacks, 1);
+ if (cb == 0)
+ return 0;
+ cb->result_func = func;
+ cb->user_data = user_data;
+ cb->destroy_func = notify;
+ cb->parent = attrib;
+ g_queue_push_head(attrib->callbacks, cb);
+ response_cb = attrib_callback_result;
+ destroy_cb = attrib_callbacks_destroy;
}
- /*
- * If a command was added to the queue and it was empty before, wake up
- * the sender. If the sender was already woken up by the second queue,
- * wake_up_sender will just return.
- */
- if (g_queue_get_length(queue) == 1)
- wake_up_sender(attrib);
-
- return c->id;
-}
-
-static int command_cmp_by_id(gconstpointer a, gconstpointer b)
-{
- const struct command *cmd = a;
- guint id = GPOINTER_TO_UINT(b);
-
- return cmd->id - id;
+ return bt_att_send(attrib->att, pdu[0], (void *)pdu+1, len-1,
+ response_cb, cb, destroy_cb);
}
gboolean g_attrib_cancel(GAttrib *attrib, guint id)
{
- GList *l = NULL;
- struct command *cmd;
- GQueue *queue;
-
- if (attrib == NULL)
- return FALSE;
-
- queue = attrib->requests;
- if (queue)
- l = g_queue_find_custom(queue, GUINT_TO_POINTER(id),
- command_cmp_by_id);
- if (l == NULL) {
- queue = attrib->responses;
- if (!queue)
- return FALSE;
- l = g_queue_find_custom(queue, GUINT_TO_POINTER(id),
- command_cmp_by_id);
- }
-
- if (l == NULL)
- return FALSE;
-
- cmd = l->data;
-
- if (cmd == g_queue_peek_head(queue) && cmd->sent)
- cmd->func = NULL;
- else {
- g_queue_remove(queue, cmd);
- command_destroy(cmd);
- }
-
- return TRUE;
+ return bt_att_cancel(attrib->att, id);
}
-static gboolean cancel_all_per_queue(GQueue *queue)
+gboolean g_attrib_cancel_all(GAttrib *attrib)
{
- struct command *c, *head = NULL;
- gboolean first = TRUE;
-
- if (queue == NULL)
- return FALSE;
-
- while ((c = g_queue_pop_head(queue))) {
- if (first && c->sent) {
- /* If the command was sent ignore its callback ... */
- c->func = NULL;
- head = c;
- continue;
- }
-
- first = FALSE;
- command_destroy(c);
- }
-
- if (head) {
- /* ... and put it back in the queue */
- g_queue_push_head(queue, head);
- }
-
- return TRUE;
+ return bt_att_cancel_all(attrib->att);
}
-gboolean g_attrib_cancel_all(GAttrib *attrib)
+guint g_attrib_register(GAttrib *attrib, guint8 opcode, guint16 handle,
+ GAttribNotifyFunc func, gpointer user_data,
+ GDestroyNotify notify)
{
- gboolean ret;
-
- if (attrib == NULL)
- return FALSE;
+ struct attrib_callbacks *cb = NULL;
+
+ if (func || notify) {
+ cb = new0(struct attrib_callbacks, 1);
+ if (cb == 0)
+ return 0;
+ cb->notify_func = func;
+ cb->notify_handle = handle;
+ cb->user_data = user_data;
+ cb->destroy_func = notify;
+ cb->parent = attrib;
+ g_queue_push_head(attrib->callbacks, cb);
+ }
- ret = cancel_all_per_queue(attrib->requests);
- ret = cancel_all_per_queue(attrib->responses) && ret;
+ if (opcode == GATTRIB_ALL_REQS)
+ opcode = BT_ATT_ALL_REQUESTS;
- return ret;
+ return bt_att_register(attrib->att, opcode, attrib_callback_notify,
+ cb, attrib_callbacks_destroy);
}
uint8_t *g_attrib_get_buffer(GAttrib *attrib, size_t *len)
@@ -661,98 +308,26 @@ uint8_t *g_attrib_get_buffer(GAttrib *attrib, size_t *len)
return NULL;
*len = attrib->buflen;
-
return attrib->buf;
}
gboolean g_attrib_set_mtu(GAttrib *attrib, int mtu)
{
- if (mtu < ATT_DEFAULT_LE_MTU)
- return FALSE;
-
- attrib->buf = g_realloc(attrib->buf, mtu);
-
- attrib->buflen = mtu;
-
- return TRUE;
-}
-
-guint g_attrib_register(GAttrib *attrib, guint8 opcode, guint16 handle,
- GAttribNotifyFunc func, gpointer user_data,
- GDestroyNotify notify)
-{
- static guint next_evt_id = 0;
- struct event *event;
-
- event = g_try_new0(struct event, 1);
- if (event == NULL)
- return 0;
-
- event->expected = opcode;
- event->handle = handle;
- event->func = func;
- event->user_data = user_data;
- event->notify = notify;
- event->id = ++next_evt_id;
-
- attrib->events = g_slist_append(attrib->events, event);
-
- return event->id;
-}
-
-static int event_cmp_by_id(gconstpointer a, gconstpointer b)
-{
- const struct event *evt = a;
- guint id = GPOINTER_TO_UINT(b);
+ /* Clients of this expect a buffer to use. */
+ if (mtu > attrib->buflen) {
+ attrib->buf = g_realloc(attrib->buf, mtu);
+ attrib->buflen = mtu;
+ }
- return evt->id - id;
+ return bt_att_set_mtu(attrib->att, mtu);
}
gboolean g_attrib_unregister(GAttrib *attrib, guint id)
{
- struct event *evt;
- GSList *l;
-
- if (id == 0) {
- warn("%s: invalid id", __func__);
- return FALSE;
- }
-
- l = g_slist_find_custom(attrib->events, GUINT_TO_POINTER(id),
- event_cmp_by_id);
- if (l == NULL)
- return FALSE;
-
- evt = l->data;
-
- attrib->events = g_slist_remove(attrib->events, evt);
-
- if (evt->notify)
- evt->notify(evt->user_data);
-
- g_free(evt);
-
- return TRUE;
+ return bt_att_unregister(attrib->att, id);
}
gboolean g_attrib_unregister_all(GAttrib *attrib)
{
- GSList *l;
-
- if (attrib->events == NULL)
- return FALSE;
-
- for (l = attrib->events; l; l = l->next) {
- struct event *evt = l->data;
-
- if (evt->notify)
- evt->notify(evt->user_data);
-
- g_free(evt);
- }
-
- g_slist_free(attrib->events);
- attrib->events = NULL;
-
- return TRUE;
+ return bt_att_unregister_all(attrib->att);
}
--
2.1.0.rc2.206.gedb03e5
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