mbed-os/features/cellular/framework/AT/AT_CellularContext.h

139 lines
5.5 KiB
C++

/*
* Copyright (c) 2018, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef AT_CELLULARCONTEXT_H_
#define AT_CELLULARCONTEXT_H_
#include "CellularContext.h"
#include "AT_CellularBase.h"
#include "Semaphore.h"
const int MAX_APN_LENGTH = 63 + 1;
namespace mbed {
class AT_CellularDevice;
class AT_CellularContext : public CellularContext, public AT_CellularBase {
public:
AT_CellularContext(ATHandler &at, CellularDevice *device, const char *apn = 0, bool cp_req = false, bool nonip_req = false);
virtual ~AT_CellularContext();
// from CellularBase/NetworkInterface
virtual nsapi_error_t set_blocking(bool blocking);
virtual NetworkStack *get_stack();
virtual const char *get_ip_address();
virtual char *get_interface_name(char *interface_name);
virtual void attach(mbed::Callback<void(nsapi_event_t, intptr_t)> status_cb);
virtual nsapi_error_t connect();
virtual nsapi_error_t disconnect();
virtual nsapi_connection_status_t get_connection_status() const;
virtual bool is_connected();
// from CellularBase
virtual void set_plmn(const char *plmn);
virtual void set_sim_pin(const char *sim_pin);
virtual nsapi_error_t connect(const char *sim_pin, const char *apn = 0, const char *uname = 0,
const char *pwd = 0);
virtual void set_credentials(const char *apn, const char *uname = 0, const char *pwd = 0);
virtual const char *get_netmask();
virtual const char *get_gateway();
// from CellularContext
virtual nsapi_error_t get_pdpcontext_params(pdpContextList_t &params_list);
virtual nsapi_error_t get_rate_control(CellularContext::RateControlExceptionReports &reports,
CellularContext::RateControlUplinkTimeUnit &time_unit, int &uplink_rate);
virtual nsapi_error_t get_apn_backoff_timer(int &backoff_timer);
virtual nsapi_error_t set_device_ready();
virtual nsapi_error_t set_sim_ready();
virtual nsapi_error_t register_to_network();
virtual nsapi_error_t attach_to_network();
virtual void set_file_handle(FileHandle *fh);
#if (DEVICE_SERIAL && DEVICE_INTERRUPTIN) || defined(DOXYGEN_ONLY)
virtual void set_file_handle(UARTSerial *serial, PinName dcd_pin = NC, bool active_high = false);
#endif // #if DEVICE_SERIAL
virtual void enable_hup(bool enable);
virtual ControlPlane_netif *get_cp_netif();
AT_CellularDevice *get_device() const;
protected:
virtual void cellular_callback(nsapi_event_t ev, intptr_t ptr);
/** Does the authentication for the PDP Context if user name and password are provided.
* Can be overridden by the modem target if 3GPP default implementation if not an option
*
* @return NSAPI_ERROR_OK if no credentials provided or authentication was successful
* NSAPI_ERROR_AUTH_FAILURE if authentication failed
* NSAPI_ERROR_DEVICE_ERROR if communication with the modemm failed
*/
virtual nsapi_error_t do_user_authentication();
/** Activates PDP context or in PPP mode opens data channel.
* Can be overridden by the modem target if 3GPP default implementation if not an option
*/
virtual void do_connect();
/** Get the operation specific timeout. Used in synchronous mode when setting the maximum
* waiting time. Modem specific implementation can override this to provide different timeouts.
*
* @param op current operation
* @return timeout in milliseconds
*/
virtual uint32_t get_timeout_for_operation(ContextOperation op) const;
virtual nsapi_error_t activate_non_ip_context();
virtual nsapi_error_t setup_control_plane_opt();
virtual void deactivate_non_ip_context();
virtual void deactivate_ip_context();
virtual void set_disconnect();
virtual void deactivate_context();
virtual bool get_context();
AT_CellularBase::CellularProperty pdp_type_t_to_cellular_property(pdp_type_t pdp_type);
bool set_new_context(int cid);
private:
#if NSAPI_PPP_AVAILABLE
nsapi_error_t open_data_channel();
void ppp_status_cb(nsapi_event_t ev, intptr_t ptr);
void ppp_disconnected();
#endif // #if NSAPI_PPP_AVAILABLE
nsapi_error_t do_activate_context();
virtual void activate_context();
nsapi_error_t find_and_activate_context();
nsapi_error_t activate_ip_context();
void check_and_deactivate_context();
void delete_current_context();
nsapi_error_t check_operation(nsapi_error_t err, ContextOperation op);
void ciot_opt_cb(mbed::CellularNetwork::CIoT_Supported_Opt ciot_opt);
virtual void do_connect_with_retry();
void do_disconnect();
void set_cid(int cid);
private:
ContextOperation _current_op;
FileHandle *_fh;
rtos::Semaphore _semaphore;
rtos::Semaphore _cp_opt_semaphore;
protected:
char _found_apn[MAX_APN_LENGTH];
// flag indicating if CP was requested to be setup
bool _cp_req;
bool _is_connected;
};
} // namespace mbed
#endif // AT_CELLULARCONTEXT_H_