/*FUNCTION*------------------------------------------------
*
* Function Name: shell_ppp_stop
* Comments : Shell command "ppp stop" is calling this function to stop PPP connection.
*
*END*-----------------------------------------------------*/
int_32 shell_ppp_stop(SHELL_PPP_LINK_PTR local_ppp)
{
uint_32 error;
/* Check if PPP is alive. */
if(!local_ppp->PPP_HANDLE)
{
printf("Can not stop PPP.It is not started\n");
}
/* Cleanup PPP connection. */
/* Unbind interface. */
error = RTCS_if_unbind(local_ppp->PPP_IF_HANDLE, IPCP_get_local_addr(local_ppp->PPP_IF_HANDLE));
if(default_ppp.PPP_HANDLE)
{
/* Send connection terminate request to remote server and close PPP connection. */
error = PPP_close(local_ppp->PPP_HANDLE);
/* Clean up all PPP structure. */
error = PPP_shutdown(local_ppp->PPP_HANDLE);
local_ppp->PPP_HANDLE =NULL;
}
/* Destroing the semafor. */
error = _lwsem_destroy(&local_ppp->PPP_SEM);
if(local_ppp->PPP_IF_HANDLE)
{
/* Unregister PPP interface. */
error = RTCS_if_remove(local_ppp->PPP_IF_HANDLE);
local_ppp->PPP_IF_HANDLE=0;
}
if(local_ppp->PPP_IO_DRIVER_HANDLE)
{
/* Closing PPP driver. */
error = _iopcb_close(local_ppp->PPP_IO_DRIVER_HANDLE);
}
if(local_ppp->PPP_DEV_HANDLE)
{
/* Close PPP driver. */
error = fclose(default_ppp.PPP_DEV_HANDLE);
}
if(local_ppp->PPP_CON_DEV_HANDLE)
{
/* Close Close PPP_DEVICE. */
error = fclose(default_ppp.PPP_CON_DEV_HANDLE);
}
local_ppp->PPP_HANDLE = NULL;
/* We need remove route. */
RTCS_gate_remove(local_ppp->PPP_GATE_ADDR, INADDR_ANY, INADDR_ANY);
if(error)
{
printf("\nSome error happend during closing PPP connection.\n");
return RTCS_ERROR;
}
else
{
printf("PPP connection closed\n");
return RTCS_OK;
}
}
static void PAP_close
(
pointer handle,
/* [IN] - the PPP state structure */
PCB_PTR pcb,
/* [IN] - expired packet */
boolean hard
/* [IN] - TRUE if this is a hard timeout (TO- event) */
)
{ /* Body */
PPP_close(handle);
} /* Endbody */
uint32_t PPP_release
(
_ppp_handle handle
/* [IN] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr = handle;
_rtcs_sem sem;
uint32_t error = RTCS_OK;
/* wait time in 0.1 Sec */
uint32_t wait_time = 50;
/* delay time in mS */
uint32_t delay_time = 100;
if (ppp_ptr == NULL)
{
return(RTCS_OK);
}
error = RTCS_if_unbind(ppp_ptr->IF_HANDLE, IPCP_get_local_addr(ppp_ptr->IF_HANDLE));
if (error != RTCS_OK)
{
return(error);
}
ppp_ptr->STOP_RX = TRUE;
/* Waiting before Rx task will be closed or kill it. */
while(ppp_ptr->STOP_RX)
{
_time_delay(delay_time);
wait_time--;
if(!wait_time)
{
error = RTCSERR_TIMEOUT;
RTCS_task_destroy(ppp_ptr->RX_TASKID);
break;
}
}
error = PPP_close(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
/* Kill Tx task */
RTCS_sem_init(&sem);
PPP_send_shutdown(ppp_ptr, &sem);
RTCS_sem_wait(&sem);
RTCS_sem_destroy(&sem);
error = _iopcb_close(ppp_ptr->DEVICE);
if (error != RTCS_OK)
{
return(error);
}
error = _iopcb_ppphdlc_release(ppp_ptr->DEVICE);
if (error != RTCS_OK)
{
return(error);
}
ppp_ptr->DEVICE = NULL;
error = RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
if (error != MQX_OK)
{
return(error);
}
/*
error = CCP_destroy(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
*/
error = LCP_destroy(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
PPP_mutex_destroy(&ppp_ptr->MUTEX);
if (ppp_ptr->IOPCB_DEVICE)
{
fflush(ppp_ptr->IOPCB_DEVICE);
error = fclose(ppp_ptr->IOPCB_DEVICE);
if (error != RTCS_OK)
{
return(error);
}
}
error = RTCS_if_remove(ppp_ptr->IF_HANDLE);
if (error != RTCS_OK)
{
return(error);
}
PPP_memfree(handle);
return(error);
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */