OVMS3-idf/components/lwip/include/apps/ping/ping_sock.h
2019-10-22 04:38:09 +00:00

169 lines
5.3 KiB
C

// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
//
// 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.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "esp_err.h"
#include "lwip/ip_addr.h"
/**
* @brief Type of "ping" session handle
*
*/
typedef void *esp_ping_handle_t;
/**
* @brief Type of "ping" callback functions
*
*/
typedef struct {
/**
* @brief arguments for callback functions
*
*/
void *cb_args;
/**
* @brief Invoked by internal ping thread when received ICMP echo reply packet
*
*/
void (*on_ping_success)(esp_ping_handle_t hdl, void *args);
/**
* @brief Invoked by internal ping thread when receive ICMP echo reply packet timeout
*
*/
void (*on_ping_timeout)(esp_ping_handle_t hdl, void *args);
/**
* @brief Invoked by internal ping thread when a ping session is finished
*
*/
void (*on_ping_end)(esp_ping_handle_t hdl, void *args);
} esp_ping_callbacks_t;
/**
* @brief Type of "ping" configuration
*
*/
typedef struct {
uint32_t count; /*!< A "ping" session contains count procedures */
uint32_t interval_ms; /*!< Milliseconds between each ping procedure */
uint32_t timeout_ms; /*!< Timeout value (in milliseconds) of each ping procedure */
uint32_t data_size; /*!< Size of the data next to ICMP packet header */
uint8_t tos; /*!< Type of Service, a field specified in the IP header */
ip_addr_t target_addr; /*!< Target IP address, either IPv4 or IPv6 */
uint32_t task_stack_size; /*!< Stack size of internal ping task */
uint32_t task_prio; /*!< Priority of internal ping task */
} esp_ping_config_t;
/**
* @brief Default ping configuration
*
*/
#define ESP_PING_DEFAULT_CONFIG() \
{ \
.count = 5, \
.interval_ms = 1000, \
.timeout_ms = 1000, \
.data_size = 56, \
.tos = 0, \
.target_addr = ip_addr_any_type, \
.task_stack_size = 2048, \
.task_prio = 2, \
}
#define ESP_PING_COUNT_INFINITE (0) /*!< Set ping count to zero will ping target infinitely */
/**
* @brief Profile of ping session
*
*/
typedef enum {
ESP_PING_PROF_SEQNO, /*!< Sequence number of a ping procedure */
ESP_PING_PROF_TTL, /*!< Time to live of a ping procedure */
ESP_PING_PROF_REQUEST, /*!< Number of request packets sent out */
ESP_PING_PROF_REPLY, /*!< Number of reply packets received */
ESP_PING_PROF_IPADDR, /*!< IP address of replied target */
ESP_PING_PROF_SIZE, /*!< Size of received packet */
ESP_PING_PROF_TIMEGAP, /*!< Elapsed time between request and reply packet */
ESP_PING_PROF_DURATION /*!< Elapsed time of the whole ping session */
} esp_ping_profile_t;
/**
* @brief Create a ping session
*
* @param config ping configuration
* @param cbs a bunch of callback functions invoked by internal ping task
* @param hdl_out handle of ping session
* @return
* - ESP_ERR_INVALID_ARG: invalid parameters (e.g. configuration is null, etc)
* - ESP_ERR_NO_MEM: out of memory
* - ESP_FAIL: other internal error (e.g. socket error)
* - ESP_OK: create ping session successfully, user can take the ping handle to do follow-on jobs
*/
esp_err_t esp_ping_new_session(const esp_ping_config_t *config, const esp_ping_callbacks_t *cbs, esp_ping_handle_t *hdl_out);
/**
* @brief Delete a ping session
*
* @param hdl handle of ping session
* @return
* - ESP_ERR_INVALID_ARG: invalid parameters (e.g. ping handle is null, etc)
* - ESP_OK: delete ping session successfully
*/
esp_err_t esp_ping_delete_session(esp_ping_handle_t hdl);
/**
* @brief Start the ping session
*
* @param hdl handle of ping session
* @return
* - ESP_ERR_INVALID_ARG: invalid parameters (e.g. ping handle is null, etc)
* - ESP_OK: start ping session successfully
*/
esp_err_t esp_ping_start(esp_ping_handle_t hdl);
/**
* @brief Stop the ping session
*
* @param hdl handle of ping session
* @return
* - ESP_ERR_INVALID_ARG: invalid parameters (e.g. ping handle is null, etc)
* - ESP_OK: stop ping session successfully
*/
esp_err_t esp_ping_stop(esp_ping_handle_t hdl);
/**
* @brief Get runtime profile of ping session
*
* @param hdl handle of ping session
* @param profile type of profile
* @param data profile data
* @param size profile data size
* @return
* - ESP_ERR_INVALID_ARG: invalid parameters (e.g. ping handle is null, etc)
* - ESP_ERR_INVALID_SIZE: the actual profile data size doesn't match the "size" parameter
* - ESP_OK: get profile successfully
*/
esp_err_t esp_ping_get_profile(esp_ping_handle_t hdl, esp_ping_profile_t profile, void *data, uint32_t size);
#ifdef __cplusplus
}
#endif