guint gatt_write_cmd(GAttrib *attrib, uint16_t handle, uint8_t *value, int vlen,
GDestroyNotify notify, gpointer user_data)
{
uint8_t *buf;
size_t buflen;
guint16 plen;
buf = g_attrib_get_buffer(attrib, &buflen);
plen = enc_write_cmd(handle, value, vlen, buf, buflen);
return g_attrib_send(attrib, 0, buf, plen, NULL, user_data, notify);
}
guint gatt_write_char(GAttrib *attrib, uint16_t handle, uint8_t *value,
int vlen, GAttribResultFunc func, gpointer user_data)
{
uint8_t *buf;
int buflen;
guint16 plen;
buf = g_attrib_get_buffer(attrib, &buflen);
if (func)
plen = enc_write_req(handle, value, vlen, buf, buflen);
else
plen = enc_write_cmd(handle, value, vlen, buf, buflen);
return g_attrib_send(attrib, 0, buf[0], buf, plen, func,
user_data, NULL);
}
guint gatt_write_char(GAttrib *attrib, uint16_t handle, uint8_t *value,
size_t vlen, GAttribResultFunc func, gpointer user_data)
{
uint8_t *buf;
size_t buflen;
guint16 plen;
struct write_long_data *long_write;
buf = g_attrib_get_buffer(attrib, &buflen);
/* Only use Write Request/Command if payload fits on a single transfer,
* including 3 bytes for the header. */
if (vlen <= buflen - 3) {
if (func)
plen = enc_write_req(handle, value, vlen, buf,
buflen);
else
plen = enc_write_cmd(handle, value, vlen, buf,
buflen);
return g_attrib_send(attrib, 0, buf, plen, func,
user_data, NULL);
}
/* Write Long Characteristic Values */
long_write = g_try_new0(struct write_long_data, 1);
if (long_write == NULL)
return 0;
long_write->attrib = attrib;
long_write->func = func;
long_write->user_data = user_data;
long_write->handle = handle;
long_write->value = g_memdup(value, vlen);
long_write->vlen = vlen;
return prepare_write(attrib, handle, long_write->offset, value, vlen,
func, long_write);
}
