/*******************************************************************************
**
** Function gatt_cl_send_next_cmd_inq
**
** Description Find next command in queue and sent to server
**
** Returns TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN gatt_cl_send_next_cmd_inq(tGATT_TCB *p_tcb)
{
tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
BOOLEAN sent = FALSE;
while (!sent &&
p_tcb->pending_cl_req != p_tcb->next_slot_inq &&
p_cmd->to_send && p_cmd->p_cmd != NULL)
{
sent = attp_send_msg_to_L2CAP(p_tcb, p_cmd->p_cmd);
if (sent)
{
p_cmd->to_send = FALSE;
p_cmd->p_cmd = NULL;
gatt_start_rsp_timer (p_tcb);
}
else
{
GATT_TRACE_ERROR0("gatt_cl_send_next_cmd_inq: L2CAP sent error");
memset(p_cmd, 0, sizeof(tGATT_CMD_Q));
p_tcb->pending_cl_req ++;
p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
}
}
return sent;
}
/*******************************************************************************
**
** Function gatt_cl_send_next_cmd_inq
**
** Description Find next command in queue and sent to server
**
** Returns TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN gatt_cl_send_next_cmd_inq(tGATT_TCB *p_tcb)
{
tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
BOOLEAN sent = FALSE;
UINT8 rsp_code;
tGATT_CLCB *p_clcb = NULL;
tGATT_STATUS att_ret = GATT_SUCCESS;
while (!sent &&
p_tcb->pending_cl_req != p_tcb->next_slot_inq &&
p_cmd->to_send && p_cmd->p_cmd != NULL)
{
att_ret = attp_send_msg_to_l2cap(p_tcb, p_cmd->p_cmd);
if (att_ret == GATT_SUCCESS || att_ret == GATT_CONGESTED)
{
sent = TRUE;
p_cmd->to_send = FALSE;
p_cmd->p_cmd = NULL;
/* dequeue the request if is write command or sign write */
if (p_cmd->op_code != GATT_CMD_WRITE && p_cmd->op_code != GATT_SIGN_CMD_WRITE)
{
gatt_start_rsp_timer (p_cmd->clcb_idx);
}
else
{
p_clcb = gatt_cmd_dequeue(p_tcb, &rsp_code);
/* if no ack needed, keep sending */
if (att_ret == GATT_SUCCESS)
sent = FALSE;
p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
/* send command complete callback here */
gatt_end_operation(p_clcb, att_ret, NULL);
}
}
else
{
GATT_TRACE_ERROR("gatt_cl_send_next_cmd_inq: L2CAP sent error");
memset(p_cmd, 0, sizeof(tGATT_CMD_Q));
p_tcb->pending_cl_req ++;
p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
}
}
return sent;
}
/*******************************************************************************
**
** Function attp_cl_send_cmd
**
** Description Send a ATT command or enqueue it.
**
** Returns GATT_SUCCESS if command sent
** GATT_CONGESTED if command sent but channel congested
** GATT_CMD_STARTED if command queue up in GATT
** GATT_ERROR if command sending failure
**
*******************************************************************************/
tGATT_STATUS attp_cl_send_cmd(tGATT_TCB *p_tcb, UINT16 clcb_idx, UINT8 cmd_code, BT_HDR *p_cmd)
{
tGATT_STATUS att_ret = GATT_SUCCESS;
if (p_tcb != NULL)
{
cmd_code &= ~GATT_AUTH_SIGN_MASK;
/* no pending request or value confirmation */
if (p_tcb->pending_cl_req == p_tcb->next_slot_inq ||
cmd_code == GATT_HANDLE_VALUE_CONF)
{
att_ret = attp_send_msg_to_l2cap(p_tcb, p_cmd);
if (att_ret == GATT_CONGESTED || att_ret == GATT_SUCCESS)
{
/* do not enq cmd if handle value confirmation or set request */
if (cmd_code != GATT_HANDLE_VALUE_CONF && cmd_code != GATT_CMD_WRITE)
{
gatt_start_rsp_timer (clcb_idx);
gatt_cmd_enq(p_tcb, clcb_idx, FALSE, cmd_code, NULL);
}
}
else
att_ret = GATT_INTERNAL_ERROR;
}
else
{
att_ret = GATT_CMD_STARTED;
gatt_cmd_enq(p_tcb, clcb_idx, TRUE, cmd_code, p_cmd);
}
}
else
att_ret = GATT_ERROR;
return att_ret;
}
