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59 lines
1.7 KiB
59 lines
1.7 KiB
2 years ago
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/**
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* Ping library, used to test connectivity
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*/
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#ifndef _PING_H
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#define _PING_H
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#include "lwip/ip.h"
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#include "sdkconfig.h"
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typedef void (*ping_success_print_cb_t)(int bytes, const char *ip, int seq, int elapsed_ms);
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typedef void (*ping_fail_print_cb_t)(int seq);
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/** Ping options */
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typedef struct {
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ip4_addr_t ip_addr; // dest IP addr
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uint16_t count; // number of requests to send
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uint16_t interval_ms; // delay between requests
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uint16_t payload_size; // extra payload size
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uint16_t timeout_ms; // ping timeout in ms
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ping_success_print_cb_t success_cb;
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ping_fail_print_cb_t fail_cb;
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} ping_opts_t;
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/** Ping response struct */
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typedef struct {
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int sockfd; // fd of the used socket, may be closed externally to abort the operation
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uint16_t sent; // number of sent echo requests
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uint16_t received; // number of received responses
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uint16_t min_time_ms; // shortest ping
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uint16_t max_time_ms; // longest ping
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float loss_pt; // loss ratio in percent
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} ping_result_t;
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/** init all except the ip addr */
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#define PING_CONFIG_DEFAULT() { \
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.count = 5, \
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.interval_ms = 1000, \
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.payload_size = 32, \
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.timeout_ms = 1000, \
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.success_cb = NULL, \
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.fail_cb = NULL, \
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}
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/**
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* Send a ping request to a remote server.
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* Parameters, including the IPv4 address, are specified in the config struct.
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*
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* Ping is blocking. The operation may be interrupted by closing the socket from another task,
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* its FD is exposed from the beginning in result->sockfd.
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*
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* @param opts
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* @param result - response struct, required, for storing statistics
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* @return success or error
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*/
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esp_err_t ping(const ping_opts_t *opts, ping_result_t *result);
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#endif //_PING_H
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