forked from espressif/esp-protocols
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <memory>
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#include <cstddef>
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#include "esp_netif.h"
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#include "cxx_include/esp_modem_primitives.hpp"
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namespace esp_modem {
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class DTE;
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class Netif;
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struct ppp_netif_driver {
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esp_netif_driver_base_t base;
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Netif *ppp;
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};
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/**
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* @defgroup ESP_MODEM_NETIF
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* @brief Network interface layer of the esp-modem
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*/
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/** @addtogroup ESP_MODEM_NETIF
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* @{
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*/
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/**
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* @brief Network interface class responsible to glue the esp-netif to the modem's DCE
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*/
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class Netif {
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public:
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explicit Netif(std::shared_ptr<DTE> e, esp_netif_t *netif);
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~Netif();
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/**
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* @brief Start the network interface
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*/
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void start();
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/**
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* @brief Blocks until the network interface closes
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*/
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void wait_until_ppp_exits();
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/**
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* @brief Stop the network interface
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*/
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void stop();
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private:
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void receive(uint8_t *data, size_t len);
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static esp_err_t esp_modem_dte_transmit(void *h, void *buffer, size_t len);
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static esp_err_t esp_modem_post_attach(esp_netif_t *esp_netif, void *args);
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static void on_ppp_changed(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
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std::shared_ptr<DTE> ppp_dte;
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esp_netif_t *netif;
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struct ppp_netif_driver driver {};
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SignalGroup signal;
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static const size_t PPP_STARTED = SignalGroup::bit0;
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static const size_t PPP_EXIT = SignalGroup::bit1;
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};
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/**
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* @}
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*/
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} // namespace esp_modem
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