feat(lwip): Add ping function

Commit ID: b650d19c
This commit is contained in:
Dong Heng
2018-10-30 16:38:07 +08:00
parent 37f6a717d3
commit bf66a8412c
6 changed files with 832 additions and 0 deletions

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// Copyright 2015-2016 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.
#include <string.h>
#include "esp_ping.h"
#include "lwip/ip_addr.h"
typedef struct _ping_option {
ip4_addr_t ping_target;
uint32_t ping_count;
uint32_t ping_rcv_timeout;
uint32_t ping_delay;
size_t ping_data_len;
uint16_t ping_id;
u8_t ping_tos;
esp_ping_found_fn ping_res_fn;
esp_ping_found ping_res;
void *ping_reserve;
} ping_option;
static ping_option ping_option_info[1];
esp_err_t esp_ping_set_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len)
{
esp_err_t ret = ESP_OK;
if (opt_val == NULL) {
return ESP_ERR_PING_INVALID_PARAMS;
}
switch (opt_id) {
case PING_TARGET_IP_ADDRESS:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
ping_option_info->ping_target.addr = *(uint32_t *)opt_val;
break;
case PING_TARGET_IP_ADDRESS_COUNT:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
ping_option_info->ping_count = *(uint32_t *)opt_val;
break;
case PING_TARGET_RCV_TIMEO:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
ping_option_info->ping_rcv_timeout = (*(uint32_t *)opt_val);
break;
case PING_TARGET_DELAY_TIME:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
ping_option_info->ping_delay = (*(uint32_t *)opt_val);
break;
case PING_TARGET_DATA_LEN:
ESP_PING_CHECK_OPTLEN(opt_len, size_t);
ping_option_info->ping_data_len = (*(size_t *)opt_val);
break;
case PING_TARGET_ID:
ESP_PING_CHECK_OPTLEN(opt_len, uint16_t);
ping_option_info->ping_id = *(uint16_t *)opt_val;
break;
case PING_TARGET_IP_TOS:
ESP_PING_CHECK_OPTLEN(opt_len, u8_t);
ping_option_info->ping_tos = *(u8_t *)opt_val;
break;
case PING_TARGET_RES_FN:
ping_option_info->ping_res_fn = opt_val;
break;
case PING_TARGET_RES_RESET:
memset(&ping_option_info->ping_res, 0, sizeof(ping_option_info->ping_res));
break;
default:
ret = ESP_ERR_PING_INVALID_PARAMS;
break;
}
return ret;
}
esp_err_t esp_ping_get_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len)
{
esp_err_t ret = ESP_OK;
if (opt_val == NULL) {
return ESP_ERR_PING_INVALID_PARAMS;
}
switch (opt_id) {
case PING_TARGET_IP_ADDRESS:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
*(uint32_t *)opt_val = ping_option_info->ping_target.addr;
break;
case PING_TARGET_IP_ADDRESS_COUNT:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
*(uint32_t *)opt_val = ping_option_info->ping_count;
break;
case PING_TARGET_RCV_TIMEO:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
*(uint32_t *)opt_val = ping_option_info->ping_rcv_timeout;
break;
case PING_TARGET_DELAY_TIME:
ESP_PING_CHECK_OPTLEN(opt_len, uint32_t);
*(uint32_t *)opt_val = ping_option_info->ping_delay;
break;
case PING_TARGET_DATA_LEN:
ESP_PING_CHECK_OPTLEN(opt_len, size_t);
*(size_t *)opt_val = ping_option_info->ping_data_len;
break;
case PING_TARGET_ID:
ESP_PING_CHECK_OPTLEN(opt_len, uint16_t);
*(uint16_t *)opt_val = ping_option_info->ping_id;
break;
case PING_TARGET_IP_TOS:
ESP_PING_CHECK_OPTLEN(opt_len, uint16_t);
*(uint16_t *)opt_val = ping_option_info->ping_tos;
break;
default:
ret = ESP_ERR_PING_INVALID_PARAMS;
break;
}
return ret;
}
esp_err_t esp_ping_result(uint8_t res_val, uint16_t ping_len, uint32_t ping_time)
{
esp_err_t ret = ESP_OK;
ping_option_info->ping_res.ping_err = res_val;
if (res_val != PING_RES_FINISH) {
ping_option_info->ping_res.bytes = ping_len;
ping_option_info->ping_res.resp_time = ping_time;
ping_option_info->ping_res.total_bytes += ping_len;
ping_option_info->ping_res.send_count ++;
if (res_val == PING_RES_TIMEOUT) {
ping_option_info->ping_res.timeout_count ++;
} else {
if (!ping_option_info->ping_res.min_time || (ping_time < ping_option_info->ping_res.min_time)) {
ping_option_info->ping_res.min_time = ping_time;
}
if (ping_time > ping_option_info->ping_res.max_time) {
ping_option_info->ping_res.max_time = ping_time;
}
ping_option_info->ping_res.total_time += ping_time;
ping_option_info->ping_res.recv_count ++;
}
}
if (ping_option_info->ping_res_fn) {
ping_option_info->ping_res_fn(PING_TARGET_RES_FN, &ping_option_info->ping_res);
if (res_val == PING_RES_FINISH) {
memset(&ping_option_info->ping_res, 0, sizeof(esp_ping_found));
}
}
return ret;
}

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/**
* @file
* Ping sender module
*
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
/**
* This is an example of a "ping" sender (with raw API and socket API).
* It can be used as a start point to maintain opened a network connection, or
* like a network "watchdog" for your device.
*
*/
#include "lwip/opt.h"
#if LWIP_IPV4 && LWIP_RAW /* don't build if not configured for use in lwipopts.h */
#include "ping/ping.h"
#include "lwip/mem.h"
#include "lwip/raw.h"
#include "lwip/icmp.h"
#include "lwip/netif.h"
#include "lwip/sys.h"
#include "lwip/timeouts.h"
#include "lwip/inet_chksum.h"
#if PING_USE_SOCKETS
#include "lwip/sockets.h"
#include "lwip/inet.h"
#endif /* PING_USE_SOCKETS */
#ifdef ESP_PING
#include "esp_ping.h"
#include "lwip/ip_addr.h"
#endif
/**
* PING_DEBUG: Enable debugging for PING.
*/
#ifndef PING_DEBUG
#define PING_DEBUG LWIP_DBG_OFF
#endif
/** ping target - should be an "ip4_addr_t" */
#ifndef PING_TARGET
#define PING_TARGET (netif_default ? *netif_ip4_gw(netif_default) : (*IP4_ADDR_ANY))
#endif
/** ping receive timeout - in milliseconds */
#ifndef PING_RCV_TIMEO
#define PING_RCV_TIMEO 1000
#endif
/** ping delay - in milliseconds */
#ifndef PING_DELAY
#define PING_DELAY 1000
#endif
/** ping identifier - must fit on a u16_t */
#ifndef PING_ID
#define PING_ID 0xAFAF
#endif
/** ping additional data size to include in the packet */
#ifndef PING_DATA_SIZE
#define PING_DATA_SIZE 32
#endif
/** ping result action - no default action */
#ifndef PING_RESULT
#define PING_RESULT(ping_ok)
#endif
/* ping variables */
static u16_t ping_seq_num;
static struct timeval ping_time;
#if ESP_PING
static sys_sem_t ping_sem = NULL;
static bool ping_init_flag = false;
#endif
#if !PING_USE_SOCKETS
static struct raw_pcb *ping_pcb;
#endif /* PING_USE_SOCKETS */
#define PING_TIME_DIFF_MS(_end, _start) ((uint32_t)(((_end).tv_sec - (_start).tv_sec) * 1000 + (_end.tv_usec - _start.tv_usec)/1000))
#define PING_TIME_DIFF_SEC(_end, _start) ((uint32_t)((_end).tv_sec - (_start).tv_sec))
/** Prepare a echo ICMP request */
static void
ping_prepare_echo( struct icmp_echo_hdr *iecho, u16_t len)
{
size_t i;
size_t data_len = len - sizeof(struct icmp_echo_hdr);
ICMPH_TYPE_SET(iecho, ICMP_ECHO);
ICMPH_CODE_SET(iecho, 0);
iecho->chksum = 0;
iecho->id = PING_ID;
iecho->seqno = htons(++ping_seq_num);
/* fill the additional data buffer with some data */
for(i = 0; i < data_len; i++) {
((char*)iecho)[sizeof(struct icmp_echo_hdr) + i] = (char)i;
}
iecho->chksum = inet_chksum(iecho, len);
}
#if PING_USE_SOCKETS
/* Ping using the socket ip */
static err_t
ping_send(int s, ip_addr_t *addr)
{
int err;
struct icmp_echo_hdr *iecho;
struct sockaddr_in to;
size_t ping_size;
#ifdef ESP_PING
size_t ping_data_len = 0;
esp_ping_get_target(PING_TARGET_DATA_LEN, &ping_data_len, sizeof(ping_data_len));
if (ping_data_len > 0) {
ping_size = sizeof(struct icmp_echo_hdr) + ping_data_len;
} else {
ping_size = sizeof(struct icmp_echo_hdr) + PING_DATA_SIZE;
}
#else
ping_size = sizeof(struct icmp_echo_hdr) + PING_DATA_SIZE;
#endif
LWIP_ASSERT("ping_size is too big", ping_size <= 0xffff);
LWIP_ASSERT("ping: expect IPv4 address", !IP_IS_V6(addr));
iecho = (struct icmp_echo_hdr *)mem_malloc((mem_size_t)ping_size);
if (!iecho) {
return ERR_MEM;
}
ping_prepare_echo(iecho, (u16_t)ping_size);
to.sin_len = sizeof(to);
to.sin_family = AF_INET;
inet_addr_from_ip4addr(&to.sin_addr, ip_2_ip4(addr));
err = sendto(s, iecho, ping_size, 0, (struct sockaddr*)&to, sizeof(to));
mem_free(iecho);
return (err ? ERR_OK : ERR_VAL);
}
static void
ping_recv(int s)
{
char buf[64];
int len;
struct sockaddr_in from;
struct ip_hdr *iphdr;
struct icmp_echo_hdr *iecho;
int fromlen = sizeof(from);
struct timeval now;
while((len = recvfrom(s, buf, sizeof(buf), 0, (struct sockaddr*)&from, (socklen_t*)&fromlen)) > 0) {
if (len >= (int)(sizeof(struct ip_hdr)+sizeof(struct icmp_echo_hdr))) {
if (from.sin_family != AF_INET) {
/* Ping is not IPv4 */
LWIP_DEBUGF( PING_DEBUG, ("ping: invalid sin_family\n"));
} else {
ip4_addr_t fromaddr;
inet_addr_to_ip4addr(&fromaddr, &from.sin_addr);
iphdr = (struct ip_hdr *)buf;
iecho = (struct icmp_echo_hdr *)(buf + (IPH_HL(iphdr) * 4));
LWIP_DEBUGF( PING_DEBUG, ("ping: recv seq=%d ", ntohs(iecho->seqno)));
ip4_addr_debug_print(PING_DEBUG, &fromaddr);
gettimeofday(&now, NULL);
LWIP_DEBUGF( PING_DEBUG, (" %"U32_F" ms\n", PING_TIME_DIFF_MS(now, ping_time)));
if ((iecho->id == PING_ID) && (iecho->seqno == htons(ping_seq_num))) {
/* do some ping result processing */
#ifdef ESP_PING
esp_ping_result((ICMPH_TYPE(iecho) == ICMP_ER), len, PING_TIME_DIFF_MS(now, ping_time));
#else
PING_RESULT((ICMPH_TYPE(iecho) == ICMP_ER));
#endif
return;
} else {
LWIP_DEBUGF( PING_DEBUG, ("ping: drop\n"));
}
}
}
fromlen = sizeof(from);
}
gettimeofday(&now, NULL);
if (len == 0) {
LWIP_DEBUGF( PING_DEBUG, ("ping: recv - %"U32_F" ms - timeout\n", PING_TIME_DIFF_MS(now, ping_time)));
}
/* do some ping result processing */
#ifdef ESP_PING
esp_ping_result(0, len, PING_TIME_DIFF_MS(now, ping_time));
#else
PING_RESULT(0);
#endif
}
static void
ping_thread(void *arg)
{
uint32_t ping_timeout = PING_RCV_TIMEO;
uint32_t ping_delay = PING_DELAY;
ip_addr_t ping_target;
int ret;
int s;
#ifdef ESP_PING
uint32_t ping_count_cur = 0;
uint32_t ping_count_max = 3;
ip4_addr_t ipaddr;
int lev;
esp_ping_get_target(PING_TARGET_IP_ADDRESS_COUNT, &ping_count_max, sizeof(ping_count_max));
esp_ping_get_target(PING_TARGET_RCV_TIMEO, &ping_timeout, sizeof(ping_timeout));
esp_ping_get_target(PING_TARGET_DELAY_TIME, &ping_delay, sizeof(ping_delay));
esp_ping_get_target(PING_TARGET_IP_ADDRESS, &ipaddr.addr, sizeof(uint32_t));
ip_addr_copy_from_ip4(ping_target, ipaddr);
#else
ip_addr_copy_from_ip4(ping_target, PING_TARGET);
#endif
#if LWIP_SO_SNDRCVTIMEO_NONSTANDARD
int timeout = ping_timeout;
#else
struct timeval timeout;
timeout.tv_sec = ping_timeout/1000;
timeout.tv_usec = (ping_timeout%1000)*1000;
#endif
LWIP_UNUSED_ARG(arg);
if ((s = socket(AF_INET, SOCK_RAW, IP_PROTO_ICMP)) < 0) {
goto _exit_new_socket_failed;
}
ret = setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
LWIP_ASSERT("setting receive timeout failed", ret == 0);
LWIP_UNUSED_ARG(ret);
#ifdef ESP_PING
int tos = 0;
esp_ping_get_target(PING_TARGET_IP_TOS, &tos, sizeof(int));
if (tos > 0) {
tos <<= 5;
ret = setsockopt(s, IPPROTO_IP, IP_TOS, &tos, sizeof(tos));
LWIP_ASSERT("setting IP_TOS failed", ret == 0);
LWIP_UNUSED_ARG(ret);
}
#endif
while (1) {
#ifdef ESP_PING
if (ping_count_cur++ >= ping_count_max) {
goto _exit;
}
if (ping_init_flag == false) {
goto _exit;
}
#endif
if (ping_send(s, &ping_target) == ERR_OK) {
LWIP_DEBUGF( PING_DEBUG, ("ping: send seq=%d ", ping_seq_num));
ip_addr_debug_print(PING_DEBUG, &ping_target);
LWIP_DEBUGF( PING_DEBUG, ("\n"));
gettimeofday(&ping_time, NULL);
ping_recv(s);
} else {
LWIP_DEBUGF( PING_DEBUG, ("ping: send "));
ip_addr_debug_print(PING_DEBUG, &ping_target);
LWIP_DEBUGF( PING_DEBUG, (" - error\n"));
}
sys_msleep(ping_delay);
}
#ifdef ESP_PING
_exit:
close(s);
_exit_new_socket_failed:
esp_ping_result(PING_RES_FINISH, 0, 0);
SYS_ARCH_PROTECT(lev);
if (ping_init_flag) { /* Ping closed by this thread */
LWIP_DEBUGF( PING_DEBUG, ("ping: closed by self "));
if (ping_sem) {
sys_sem_free(&ping_sem);
}
ping_sem = NULL;
ping_init_flag = false;
SYS_ARCH_UNPROTECT(lev);
} else { /* Ping closed by task calls ping_deinit */
LWIP_DEBUGF( PING_DEBUG, ("ping: closed by other"));
SYS_ARCH_UNPROTECT(lev);
if (ping_sem) {
sys_sem_signal(&ping_sem);
}
}
vTaskDelete(NULL);
#endif
}
#else /* PING_USE_SOCKETS */
/* Ping using the raw ip */
static u8_t
ping_recv(void *arg, struct raw_pcb *pcb, struct pbuf *p, const ip_addr_t *addr)
{
struct icmp_echo_hdr *iecho;
struct timeval now;
LWIP_UNUSED_ARG(arg);
LWIP_UNUSED_ARG(pcb);
LWIP_UNUSED_ARG(addr);
LWIP_ASSERT("p != NULL", p != NULL);
if ((p->tot_len >= (PBUF_IP_HLEN + sizeof(struct icmp_echo_hdr))) &&
pbuf_header(p, -PBUF_IP_HLEN) == 0) {
iecho = (struct icmp_echo_hdr *)p->payload;
if ((iecho->id == PING_ID) && (iecho->seqno == htons(ping_seq_num))) {
LWIP_DEBUGF( PING_DEBUG, ("ping: recv "));
ip_addr_debug_print(PING_DEBUG, addr);
gettimeofday(&now, NULL);
LWIP_DEBUGF( PING_DEBUG, (" %"U32_F" ms\n", PING_TIME_DIFF_MS(now, ping_time)));
/* do some ping result processing */
PING_RESULT(1);
pbuf_free(p);
return 1; /* eat the packet */
}
/* not eaten, restore original packet */
pbuf_header(p, PBUF_IP_HLEN);
}
return 0; /* don't eat the packet */
}
static void
ping_send(struct raw_pcb *raw, ip_addr_t *addr)
{
struct pbuf *p;
struct icmp_echo_hdr *iecho;
size_t ping_size = sizeof(struct icmp_echo_hdr) + PING_DATA_SIZE;
LWIP_DEBUGF( PING_DEBUG, ("ping: send "));
ip_addr_debug_print(PING_DEBUG, addr);
LWIP_DEBUGF( PING_DEBUG, ("\n"));
LWIP_ASSERT("ping_size <= 0xffff", ping_size <= 0xffff);
p = pbuf_alloc(PBUF_IP, (u16_t)ping_size, PBUF_RAM);
if (!p) {
return;
}
if ((p->len == p->tot_len) && (p->next == NULL)) {
iecho = (struct icmp_echo_hdr *)p->payload;
ping_prepare_echo(iecho, (u16_t)ping_size);
raw_sendto(raw, p, addr);
ping_time = system_get_time();
}
pbuf_free(p);
}
static void
ping_timeout(void *arg)
{
struct raw_pcb *pcb = (struct raw_pcb*)arg;
ip_addr_t ping_target;
LWIP_ASSERT("ping_timeout: no pcb given!", pcb != NULL);
ip_addr_copy_from_ip4(ping_target, PING_TARGET);
ping_send(pcb, &ping_target);
sys_timeout(PING_DELAY, ping_timeout, pcb);
}
static void
ping_raw_init(void)
{
ping_pcb = raw_new(IP_PROTO_ICMP);
LWIP_ASSERT("ping_pcb != NULL", ping_pcb != NULL);
raw_recv(ping_pcb, ping_recv, NULL);
raw_bind(ping_pcb, IP_ADDR_ANY);
sys_timeout(PING_DELAY, ping_timeout, ping_pcb);
}
void
ping_send_now(void)
{
ip_addr_t ping_target;
LWIP_ASSERT("ping_pcb != NULL", ping_pcb != NULL);
ip_addr_copy_from_ip4(ping_target, PING_TARGET);
ping_send(ping_pcb, &ping_target);
}
#endif /* PING_USE_SOCKETS */
int
ping_init(void)
{
int ret;
int lev;
SYS_ARCH_PROTECT(lev);
if (ping_init_flag) {
SYS_ARCH_UNPROTECT(lev);
/* Currently we only support one ping, call ping_deinit to kill the running ping before start new ping */
return ERR_INPROGRESS;
}
ret = sys_sem_new(&ping_sem, 0);
if (ERR_OK != ret) {
SYS_ARCH_UNPROTECT(lev);
return ERR_MEM;
}
ping_init_flag = true;
SYS_ARCH_UNPROTECT(lev);
#if PING_USE_SOCKETS
sys_thread_new("ping_thread", ping_thread, NULL, DEFAULT_THREAD_STACKSIZE, DEFAULT_THREAD_PRIO);
#else /* PING_USE_SOCKETS */
ping_raw_init();
#endif /* PING_USE_SOCKETS */
return ERR_OK;
}
void
ping_deinit(void)
{
int lev;
SYS_ARCH_PROTECT(lev);
if (ping_init_flag == false) {
SYS_ARCH_UNPROTECT(lev);
return;
}
ping_init_flag = false;
SYS_ARCH_UNPROTECT(lev);
if (ping_sem) {
sys_sem_wait(&ping_sem);
SYS_ARCH_PROTECT(lev);
sys_sem_free(&ping_sem);
ping_sem = NULL;
SYS_ARCH_UNPROTECT(lev);
}
}
#endif /* LWIP_IPV4 && LWIP_RAW */

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@ -10,6 +10,7 @@ COMPONENT_ADD_INCLUDEDIRS += include/lwip/apps \
COMPONENT_SRCDIRS += apps/dhcpserver \
apps/multi-threads \
apps/ping \
lwip/src/api \
lwip/src/apps/sntp \
lwip/src/core \

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@ -0,0 +1,111 @@
// Copyright 2015-2016 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.
#ifndef ESP_PING_H_
#define ESP_PING_H_
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
// gen_esp_err_to_name.py: include this as "esp_ping.h" because "components/lwip/include/apps/" is in the compiler path
// and not "components/lwip/include"
#define ESP_ERR_PING_BASE 0x6000
#define ESP_ERR_PING_INVALID_PARAMS ESP_ERR_PING_BASE + 0x01
#define ESP_ERR_PING_NO_MEM ESP_ERR_PING_BASE + 0x02
#define ESP_PING_CHECK_OPTLEN(optlen, opttype) do { if ((optlen) < sizeof(opttype)) { return ESP_ERR_PING_INVALID_PARAMS; }}while(0)
typedef struct _ping_found {
uint32_t resp_time;
uint32_t timeout_count;
uint32_t send_count;
uint32_t recv_count;
uint32_t err_count;
uint32_t bytes;
uint32_t total_bytes;
uint32_t total_time;
uint32_t min_time;
uint32_t max_time;
int8_t ping_err;
} esp_ping_found;
typedef enum {
PING_TARGET_IP_ADDRESS = 50, /**< target IP address */
PING_TARGET_IP_ADDRESS_COUNT = 51, /**< target IP address total counter */
PING_TARGET_RCV_TIMEO = 52, /**< receive timeout in milliseconds */
PING_TARGET_DELAY_TIME = 53, /**< delay time in milliseconds */
PING_TARGET_ID = 54, /**< identifier */
PING_TARGET_RES_FN = 55, /**< ping result callback function */
PING_TARGET_RES_RESET = 56, /**< ping result statistic reset */
PING_TARGET_DATA_LEN = 57, /**< ping data length*/
PING_TARGET_IP_TOS = 58 /**< ping QOS*/
} ping_target_id_t;
typedef enum {
PING_RES_TIMEOUT = 0,
PING_RES_OK = 1,
PING_RES_FINISH = 2,
} ping_res_t;
typedef void (* esp_ping_found_fn)(ping_target_id_t found_id, esp_ping_found *found_val);
/**
* @brief Set PING function option
*
* @param[in] opt_id: option index, 50 for IP, 51 for COUNT, 52 for RCV TIMEOUT, 53 for DELAY TIME, 54 for ID
* @param[in] opt_val: option parameter
* @param[in] opt_len: option length
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_set_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len);
/**
* @brief Get PING function option
*
* @param[in] opt_id: option index, 50 for IP, 51 for COUNT, 52 for RCV TIMEOUT, 53 for DELAY TIME, 54 for ID
* @param[in] opt_val: option parameter
* @param[in] opt_len: option length
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_get_target(ping_target_id_t opt_id, void *opt_val, uint32_t opt_len);
/**
* @brief Get PING function result action
*
* @param[in] res_val: ping function action, 1 for successful, 0 for fail.
* res_len: response bytes
* res_time: response time
*
* @return
* - ESP_OK
* - ESP_ERR_PING_INVALID_PARAMS
*/
esp_err_t esp_ping_result(uint8_t res_val, uint16_t res_len, uint32_t res_time);
#ifdef __cplusplus
}
#endif
#endif /* ESP_PING_H_ */

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@ -0,0 +1,60 @@
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef LWIP_PING_H
#define LWIP_PING_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
*/
#ifndef PING_USE_SOCKETS
#define PING_USE_SOCKETS LWIP_SOCKET
#endif
int ping_init(void);
#ifdef ESP_PING
void ping_deinit(void);
#endif
#if !PING_USE_SOCKETS
void ping_send_now(void);
#endif /* !PING_USE_SOCKETS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_PING_H */

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@ -2231,4 +2231,6 @@ void *memp_malloc_ll(size_t type);
#endif
#endif
#define ESP_PING 1
#endif /* __LWIP_HDR_LWIPOPTS_H__ */