static int mifare_release(int err, void *data)
{
struct mifare_cookie *cookie = data;
DBG("%p", cookie);
if (!cookie)
return err;
if (err < 0 && cookie->cb) {
cookie->cb(cookie->adapter_idx, cookie->target_idx, err);
near_adapter_disconnect(cookie->adapter_idx);
}
/* Now free allocs */
g_free(cookie->nfcid1);
g_slist_free(cookie->g_sect_list);
g_free(cookie->mad_1);
g_free(cookie->mad_2);
if (cookie->ndef)
g_free(cookie->ndef->data);
g_free(cookie->ndef);
g_free(cookie);
cookie = NULL;
return err;
}
static void tag_present_cb(uint32_t adapter_idx, uint32_t target_idx,
int status)
{
struct near_adapter *adapter;
DBG("");
adapter = g_hash_table_lookup(adapter_hash,
GINT_TO_POINTER(adapter_idx));
if (!adapter)
return;
if (status < 0) {
DBG("Tag is gone");
near_adapter_disconnect(adapter->idx);
if (adapter->constant_poll)
adapter_start_poll(adapter);
return;
}
adapter->presence_timeout =
g_timeout_add_seconds(CHECK_PRESENCE_PERIOD,
check_presence, adapter);
}
static gboolean check_presence(gpointer user_data)
{
struct near_adapter *adapter = user_data;
struct near_tag *tag;
int err;
DBG("");
if (!adapter)
return FALSE;
tag = adapter->tag_link;
if (!tag)
goto out_err;
err = __near_tag_check_presence(tag, tag_present_cb);
if (err < 0) {
DBG("Could not check target presence");
goto out_err;
}
return FALSE;
out_err:
near_adapter_disconnect(adapter->idx);
if (adapter->constant_poll)
adapter_start_poll(adapter);
return FALSE;
}
static int adapter_add_tag(struct near_adapter *adapter, uint32_t target_idx,
uint32_t protocols,
uint16_t sens_res, uint8_t sel_res,
uint8_t *nfcid, uint8_t nfcid_len,
uint8_t iso15693_dsfid,
uint8_t iso15693_uid_len, uint8_t *iso15693_uid)
{
struct near_tag *tag;
uint32_t tag_type;
int err;
tag = __near_tag_add(adapter->idx, target_idx, protocols,
sens_res, sel_res,
nfcid, nfcid_len,
iso15693_dsfid, iso15693_uid_len, iso15693_uid);
if (!tag)
return -ENODEV;
g_hash_table_insert(adapter->tags, GINT_TO_POINTER(target_idx), tag);
tag_type = __near_tag_get_type(tag);
err = near_adapter_connect(adapter->idx, target_idx, tag_type);
if (err < 0) {
near_error("Could not connect");
return err;
}
err = __near_tag_read(tag, tag_read_cb);
if (err < 0) {
near_error("Could not read the tag");
near_adapter_disconnect(adapter->idx);
__near_adapter_remove_target(adapter->idx, target_idx);
}
return err;
}
static gboolean adapter_recv_event(GIOChannel *channel, GIOCondition condition,
gpointer user_data)
{
struct near_adapter *adapter = user_data;
struct near_adapter_ioreq *req;
GList *first;
int sk;
DBG("condition 0x%x", condition);
if (condition & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
near_error("Error while reading NFC bytes");
adapter_flush_rx(adapter, -EIO);
near_adapter_disconnect(adapter->idx);
adapter->presence_timeout =
g_timeout_add_seconds(2 * CHECK_PRESENCE_PERIOD,
check_presence, adapter);
return FALSE;
}
sk = g_io_channel_unix_get_fd(channel);
first = g_list_first(adapter->ioreq_list);
if (!first)
return TRUE;
req = first->data;
req->len = recv(sk, req->buf, sizeof(req->buf), 0);
adapter->ioreq_list = g_list_remove(adapter->ioreq_list, req);
g_idle_add(execute_recv_cb, req);
return TRUE;
}