kopia lustrzana https://github.com/espressif/esp-idf
605 wiersze
22 KiB
C
605 wiersze
22 KiB
C
/* Iperf Example - iperf implementation
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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/
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <inttypes.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_check.h"
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#include "esp_log.h"
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#include "esp_rom_sys.h"
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#include "esp_timer.h"
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#include "iperf.h"
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#include "wifi_stats.h"
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typedef struct {
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iperf_cfg_t cfg;
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bool finish;
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uint32_t actual_len;
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uint32_t buffer_len;
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uint8_t *buffer;
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uint32_t sockfd;
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} iperf_ctrl_t;
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static bool s_iperf_is_running = false;
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static iperf_ctrl_t s_iperf_ctrl;
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static const char *TAG = "iperf";
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inline static bool iperf_is_udp_client(void)
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{
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return ((s_iperf_ctrl.cfg.flag & IPERF_FLAG_CLIENT) && (s_iperf_ctrl.cfg.flag & IPERF_FLAG_UDP));
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}
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inline static bool iperf_is_udp_server(void)
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{
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return ((s_iperf_ctrl.cfg.flag & IPERF_FLAG_SERVER) && (s_iperf_ctrl.cfg.flag & IPERF_FLAG_UDP));
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}
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inline static bool iperf_is_tcp_client(void)
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{
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return ((s_iperf_ctrl.cfg.flag & IPERF_FLAG_CLIENT) && (s_iperf_ctrl.cfg.flag & IPERF_FLAG_TCP));
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}
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inline static bool iperf_is_tcp_server(void)
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{
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return ((s_iperf_ctrl.cfg.flag & IPERF_FLAG_SERVER) && (s_iperf_ctrl.cfg.flag & IPERF_FLAG_TCP));
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}
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static int iperf_get_socket_error_code(int sockfd)
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{
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return errno;
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}
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static int iperf_show_socket_error_reason(const char *str, int sockfd)
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{
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int err = errno;
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if (err != 0) {
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ESP_LOGW(TAG, "%s error, error code: %d, reason: %s", str, err, strerror(err));
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}
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return err;
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}
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static void iperf_report_task(void *arg)
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{
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uint32_t interval = s_iperf_ctrl.cfg.interval;
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uint32_t time = s_iperf_ctrl.cfg.time;
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TickType_t delay_interval = (interval * 1000) / portTICK_PERIOD_MS;
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uint32_t cur = 0;
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double average = 0;
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double actual_bandwidth = 0;
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int k = 1;
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const double coefficient[3] = {1048576.0, 1024.0, 1.0};
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const char unit[3] = {'M', 'K', '\0'};
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iperf_output_format format = s_iperf_ctrl.cfg.format;
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printf("\n%16s %s\n", "Interval", "Bandwidth");
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while (!s_iperf_ctrl.finish) {
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vTaskDelay(delay_interval);
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actual_bandwidth = (s_iperf_ctrl.actual_len / coefficient[format] * 8) / interval;
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printf("%4" PRIi32 "-%4" PRIi32 " sec %.2f %cbits/sec\n", cur, cur + interval,
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actual_bandwidth, unit[format]);
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cur += interval;
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average = ((average * (k - 1) / k) + (actual_bandwidth / k));
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k++;
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s_iperf_ctrl.actual_len = 0;
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if (cur >= time) {
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printf("%4d-%4" PRIu32 " sec %.2f %cbits/sec\n", 0, time,
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average, unit[format]);
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break;
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}
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}
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s_iperf_ctrl.finish = true;
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vTaskDelete(NULL);
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}
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static esp_err_t iperf_start_report(void)
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{
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int ret;
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ret = xTaskCreatePinnedToCore(iperf_report_task, IPERF_REPORT_TASK_NAME, IPERF_REPORT_TASK_STACK, NULL, IPERF_REPORT_TASK_PRIORITY, NULL, portNUM_PROCESSORS - 1);
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if (ret != pdPASS) {
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ESP_LOGE(TAG, "create task %s failed", IPERF_REPORT_TASK_NAME);
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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static void socket_recv(int recv_socket, struct sockaddr_storage listen_addr, uint8_t type)
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{
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bool iperf_recv_start = true;
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uint8_t *buffer;
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int want_recv = 0;
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int actual_recv = 0;
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#ifdef CONFIG_LWIP_IPV6
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socklen_t socklen = (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in);
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#else
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socklen_t socklen = sizeof(struct sockaddr_in);
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#endif
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const char *error_log = (type == IPERF_TRANS_TYPE_TCP) ? "tcp server recv" : "udp server recv";
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buffer = s_iperf_ctrl.buffer;
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want_recv = s_iperf_ctrl.buffer_len;
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while (!s_iperf_ctrl.finish) {
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actual_recv = recvfrom(recv_socket, buffer, want_recv, 0, (struct sockaddr *)&listen_addr, &socklen);
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if (actual_recv < 0) {
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iperf_show_socket_error_reason(error_log, recv_socket);
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s_iperf_ctrl.finish = true;
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break;
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} else {
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if (iperf_recv_start) {
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iperf_start_report();
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iperf_recv_start = false;
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}
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s_iperf_ctrl.actual_len += actual_recv;
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}
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}
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}
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static void socket_send(int send_socket, struct sockaddr_storage dest_addr, uint8_t type, int bw_lim)
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{
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uint8_t *buffer;
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int32_t *pkt_id_p;
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int32_t pkt_cnt = 0;
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int actual_send = 0;
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int want_send = 0;
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int period_us = -1;
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int delay_us = 0;
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int64_t prev_time = 0;
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int64_t send_time = 0;
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int err = 0;
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#ifdef CONFIG_LWIP_IPV6
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const socklen_t socklen = (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in);
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#else
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const socklen_t socklen = sizeof(struct sockaddr_in);
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#endif
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const char *error_log = (type == IPERF_TRANS_TYPE_TCP) ? "tcp client send" : "udp client send";
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buffer = s_iperf_ctrl.buffer;
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pkt_id_p = (int32_t *)s_iperf_ctrl.buffer;
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want_send = s_iperf_ctrl.buffer_len;
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iperf_start_report();
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if (bw_lim > 0) {
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period_us = want_send * 8 / bw_lim;
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}
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while (!s_iperf_ctrl.finish) {
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if (period_us > 0) {
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send_time = esp_timer_get_time();
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if (actual_send > 0){
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// Last packet "send" was successful, check how much off the previous loop duration was to the ideal send period. Result will adjust the
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// next send delay.
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delay_us += period_us + (int32_t)(prev_time - send_time);
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} else {
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// Last packet "send" was not successful. Ideally we should try to catch up the whole previous loop duration (e.g. prev_time - send_time).
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// However, that's not possible since the most probable reason why the send was unsuccessful is the HW was not able to process the packet.
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// Hence, we cannot queue more packets with shorter (or no) delay to catch up since we are already at the performance edge. The best we
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// can do is to reset the send delay (which is probably big negative number) and start all over again.
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delay_us = 0;
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}
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prev_time = send_time;
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}
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*pkt_id_p = htonl(pkt_cnt); // datagrams need to be sequentially numbered
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if (pkt_cnt >= INT32_MAX) {
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pkt_cnt = 0;
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}
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else {
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pkt_cnt++;
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}
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actual_send = sendto(send_socket, buffer, want_send, 0, (struct sockaddr *)&dest_addr, socklen);
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if (actual_send != want_send) {
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if (type == IPERF_TRANS_TYPE_UDP) {
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err = iperf_get_socket_error_code(send_socket);
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// ENOMEM is expected under heavy load => do not print it
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if (err != ENOMEM) {
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iperf_show_socket_error_reason(error_log, send_socket);
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}
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} else if (type == IPERF_TRANS_TYPE_TCP) {
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iperf_show_socket_error_reason(error_log, send_socket);
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break;
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}
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} else {
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s_iperf_ctrl.actual_len += actual_send;
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}
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// The send delay may be negative, it indicates we are trying to catch up and hence to not delay the loop at all.
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if (delay_us > 0) {
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esp_rom_delay_us(delay_us);
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}
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}
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}
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static esp_err_t IRAM_ATTR iperf_run_tcp_server(void)
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{
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int listen_socket = -1;
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int client_socket = -1;
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int opt = 1;
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int err = 0;
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esp_err_t ret = ESP_OK;
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struct sockaddr_in remote_addr;
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struct timeval timeout = { 0 };
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socklen_t addr_len = sizeof(struct sockaddr);
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struct sockaddr_storage listen_addr = { 0 };
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struct sockaddr_in listen_addr4 = { 0 };
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#ifdef CONFIG_LWIP_IPV6
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struct sockaddr_in6 listen_addr6 = { 0 };
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6 || s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
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#else
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Invalid AF types");
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#endif
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#ifdef CONFIG_LWIP_IPV6
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if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) {
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// The TCP server listen at the address "::", which means all addresses can be listened to.
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inet6_aton("::", &listen_addr6.sin6_addr);
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listen_addr6.sin6_family = AF_INET6;
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listen_addr6.sin6_port = htons(s_iperf_ctrl.cfg.sport);
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listen_socket = socket(AF_INET6, SOCK_STREAM, IPPROTO_IPV6);
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ESP_GOTO_ON_FALSE((listen_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
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setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
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setsockopt(listen_socket, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt));
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ESP_LOGI(TAG, "Socket created");
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err = bind(listen_socket, (struct sockaddr *)&listen_addr6, sizeof(listen_addr6));
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to bind: errno %d, IPPROTO: %d", errno, AF_INET6);
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err = listen(listen_socket, 1);
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Error occurred during listen: errno %d", errno);
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memcpy(&listen_addr, &listen_addr6, sizeof(listen_addr6));
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} else
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#endif
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if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4) {
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listen_addr4.sin_family = AF_INET;
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listen_addr4.sin_port = htons(s_iperf_ctrl.cfg.sport);
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listen_addr4.sin_addr.s_addr = s_iperf_ctrl.cfg.source_ip4;
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listen_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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ESP_GOTO_ON_FALSE((listen_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
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setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
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ESP_LOGI(TAG, "Socket created");
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err = bind(listen_socket, (struct sockaddr *)&listen_addr4, sizeof(listen_addr4));
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to bind: errno %d, IPPROTO: %d", errno, AF_INET);
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err = listen(listen_socket, 5);
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Error occurred during listen: errno %d", errno);
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memcpy(&listen_addr, &listen_addr4, sizeof(listen_addr4));
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}
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timeout.tv_sec = IPERF_SOCKET_RX_TIMEOUT;
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setsockopt(listen_socket, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
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client_socket = accept(listen_socket, (struct sockaddr *)&remote_addr, &addr_len);
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ESP_GOTO_ON_FALSE((client_socket >= 0), ESP_FAIL, exit, TAG, "Unable to accept connection: errno %d", errno);
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ESP_LOGI(TAG, "accept: %s,%d\n", inet_ntoa(remote_addr.sin_addr), htons(remote_addr.sin_port));
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timeout.tv_sec = IPERF_SOCKET_RX_TIMEOUT;
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setsockopt(client_socket, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
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wifi_cmd_clr_tx_statistics(0, NULL);
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#endif
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
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wifi_cmd_clr_rx_statistics(0, NULL);
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#endif
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socket_recv(client_socket, listen_addr, IPERF_TRANS_TYPE_TCP);
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
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wifi_cmd_get_rx_statistics(0, NULL);
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#endif
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
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wifi_cmd_get_tx_statistics(0, NULL);
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#endif
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exit:
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if (client_socket != -1) {
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close(client_socket);
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}
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if (listen_socket != -1) {
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shutdown(listen_socket, 0);
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close(listen_socket);
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ESP_LOGI(TAG, "TCP Socket server is closed.");
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}
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s_iperf_ctrl.finish = true;
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return ret;
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}
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static esp_err_t iperf_run_tcp_client(void)
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{
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int client_socket = -1;
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int err = 0;
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esp_err_t ret = ESP_OK;
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struct sockaddr_storage dest_addr = { 0 };
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struct sockaddr_in dest_addr4 = { 0 };
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struct timeval timeout = { 0 };
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#ifdef CONFIG_LWIP_IPV6
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struct sockaddr_in6 dest_addr6 = { 0 };
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6 || s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
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#else
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Invalid AF types");
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#endif
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#ifdef CONFIG_LWIP_IPV6
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if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) {
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client_socket = socket(AF_INET6, SOCK_STREAM, IPPROTO_IPV6);
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ESP_GOTO_ON_FALSE((client_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
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inet6_aton(s_iperf_ctrl.cfg.destination_ip6, &dest_addr6.sin6_addr);
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dest_addr6.sin6_family = AF_INET6;
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dest_addr6.sin6_port = htons(s_iperf_ctrl.cfg.dport);
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err = connect(client_socket, (struct sockaddr *)&dest_addr6, sizeof(struct sockaddr_in6));
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to connect: errno %d", errno);
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ESP_LOGI(TAG, "Successfully connected");
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memcpy(&dest_addr, &dest_addr6, sizeof(dest_addr6));
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} else
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#endif
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if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4) {
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client_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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ESP_GOTO_ON_FALSE((client_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
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dest_addr4.sin_family = AF_INET;
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dest_addr4.sin_port = htons(s_iperf_ctrl.cfg.dport);
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dest_addr4.sin_addr.s_addr = s_iperf_ctrl.cfg.destination_ip4;
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err = connect(client_socket, (struct sockaddr *)&dest_addr4, sizeof(struct sockaddr_in));
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ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to connect: errno %d", errno);
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ESP_LOGI(TAG, "Successfully connected");
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memcpy(&dest_addr, &dest_addr4, sizeof(dest_addr4));
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}
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timeout.tv_sec = IPERF_SOCKET_TCP_TX_TIMEOUT;
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setsockopt(client_socket, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout));
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
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wifi_cmd_clr_rx_statistics(0, NULL);
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#endif
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
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wifi_cmd_clr_tx_statistics(0, NULL);
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#endif
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socket_send(client_socket, dest_addr, IPERF_TRANS_TYPE_TCP, s_iperf_ctrl.cfg.bw_lim);
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
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wifi_cmd_get_tx_statistics(0, NULL);
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#endif
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#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
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wifi_cmd_get_rx_statistics(0, NULL);
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#endif
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exit:
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if (client_socket != -1) {
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shutdown(client_socket, 0);
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close(client_socket);
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ESP_LOGI(TAG, "TCP Socket client is closed.");
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}
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s_iperf_ctrl.finish = true;
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return ret;
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}
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static esp_err_t IRAM_ATTR iperf_run_udp_server(void)
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{
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int listen_socket = -1;
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int opt = 1;
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int err = 0;
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esp_err_t ret = ESP_OK;
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struct timeval timeout = { 0 };
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struct sockaddr_storage listen_addr = { 0 };
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struct sockaddr_in listen_addr4 = { 0 };
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#ifdef CONFIG_LWIP_IPV6
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struct sockaddr_in6 listen_addr6 = { 0 };
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6 || s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
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#else
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ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
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#endif
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#ifdef CONFIG_LWIP_IPV6
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if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) {
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// The UDP server listen at the address "::", which means all addresses can be listened to.
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inet6_aton("::", &listen_addr6.sin6_addr);
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listen_addr6.sin6_family = AF_INET6;
|
|
listen_addr6.sin6_port = htons(s_iperf_ctrl.cfg.sport);
|
|
|
|
listen_socket = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
|
|
ESP_GOTO_ON_FALSE((listen_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket created");
|
|
|
|
setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
|
|
|
|
err = bind(listen_socket, (struct sockaddr *)&listen_addr6, sizeof(struct sockaddr_in6));
|
|
ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to bind: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket bound, port %" PRIu16, listen_addr6.sin6_port);
|
|
|
|
memcpy(&listen_addr, &listen_addr6, sizeof(listen_addr6));
|
|
} else
|
|
#endif
|
|
if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4) {
|
|
listen_addr4.sin_family = AF_INET;
|
|
listen_addr4.sin_port = htons(s_iperf_ctrl.cfg.sport);
|
|
listen_addr4.sin_addr.s_addr = s_iperf_ctrl.cfg.source_ip4;
|
|
|
|
listen_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
ESP_GOTO_ON_FALSE((listen_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket created");
|
|
|
|
setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
|
|
|
|
err = bind(listen_socket, (struct sockaddr *)&listen_addr4, sizeof(struct sockaddr_in));
|
|
ESP_GOTO_ON_FALSE((err == 0), ESP_FAIL, exit, TAG, "Socket unable to bind: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket bound, port %d", listen_addr4.sin_port);
|
|
memcpy(&listen_addr, &listen_addr4, sizeof(listen_addr4));
|
|
}
|
|
|
|
timeout.tv_sec = IPERF_SOCKET_RX_TIMEOUT;
|
|
setsockopt(listen_socket, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
|
|
#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
|
|
wifi_cmd_clr_rx_statistics(0, NULL);
|
|
#endif
|
|
socket_recv(listen_socket, listen_addr, IPERF_TRANS_TYPE_UDP);
|
|
#if CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS
|
|
wifi_cmd_get_rx_statistics(0, NULL);
|
|
#endif
|
|
exit:
|
|
if (listen_socket != -1) {
|
|
shutdown(listen_socket, 0);
|
|
close(listen_socket);
|
|
}
|
|
ESP_LOGI(TAG, "Udp socket server is closed.");
|
|
s_iperf_ctrl.finish = true;
|
|
return ret;
|
|
}
|
|
|
|
static esp_err_t iperf_run_udp_client(void)
|
|
{
|
|
int client_socket = -1;
|
|
int opt = 1;
|
|
esp_err_t ret = ESP_OK;
|
|
struct sockaddr_storage dest_addr = { 0 };
|
|
struct sockaddr_in dest_addr4 = { 0 };
|
|
#ifdef CONFIG_LWIP_IPV6
|
|
struct sockaddr_in6 dest_addr6 = { 0 };
|
|
ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6 || s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
|
|
#else
|
|
ESP_GOTO_ON_FALSE((s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4), ESP_FAIL, exit, TAG, "Ivalid AF types");
|
|
#endif
|
|
#ifdef CONFIG_LWIP_IPV6
|
|
if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV6) {
|
|
inet6_aton(s_iperf_ctrl.cfg.destination_ip6, &dest_addr6.sin6_addr);
|
|
dest_addr6.sin6_family = AF_INET6;
|
|
dest_addr6.sin6_port = htons(s_iperf_ctrl.cfg.dport);
|
|
|
|
client_socket = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPV6);
|
|
ESP_GOTO_ON_FALSE((client_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket created, sending to %s:%" PRIu16, s_iperf_ctrl.cfg.destination_ip6, s_iperf_ctrl.cfg.dport);
|
|
|
|
setsockopt(client_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
|
|
memcpy(&dest_addr, &dest_addr6, sizeof(dest_addr6));
|
|
} else
|
|
#endif
|
|
if (s_iperf_ctrl.cfg.type == IPERF_IP_TYPE_IPV4) {
|
|
dest_addr4.sin_family = AF_INET;
|
|
dest_addr4.sin_port = htons(s_iperf_ctrl.cfg.dport);
|
|
dest_addr4.sin_addr.s_addr = s_iperf_ctrl.cfg.destination_ip4;
|
|
|
|
client_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
ESP_GOTO_ON_FALSE((client_socket >= 0), ESP_FAIL, exit, TAG, "Unable to create socket: errno %d", errno);
|
|
ESP_LOGI(TAG, "Socket created, sending to %d.%d.%d.%d:%" PRIu16,
|
|
(uint16_t) s_iperf_ctrl.cfg.destination_ip4 & 0xFF,
|
|
(uint16_t) (s_iperf_ctrl.cfg.destination_ip4 >> 8) & 0xFF,
|
|
(uint16_t) (s_iperf_ctrl.cfg.destination_ip4 >> 16) & 0xFF,
|
|
(uint16_t) (s_iperf_ctrl.cfg.destination_ip4 >> 24) & 0xFF,
|
|
s_iperf_ctrl.cfg.dport);
|
|
|
|
setsockopt(client_socket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
|
|
memcpy(&dest_addr, &dest_addr4, sizeof(dest_addr4));
|
|
}
|
|
#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
|
|
wifi_cmd_clr_tx_statistics(0, NULL);
|
|
#endif
|
|
socket_send(client_socket, dest_addr, IPERF_TRANS_TYPE_UDP, s_iperf_ctrl.cfg.bw_lim);
|
|
#if CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS
|
|
wifi_cmd_get_tx_statistics(0, NULL);
|
|
#endif
|
|
exit:
|
|
if (client_socket != -1) {
|
|
shutdown(client_socket, 0);
|
|
close(client_socket);
|
|
}
|
|
s_iperf_ctrl.finish = true;
|
|
ESP_LOGI(TAG, "UDP Socket client is closed");
|
|
return ret;
|
|
}
|
|
|
|
static void iperf_task_traffic(void *arg)
|
|
{
|
|
if (iperf_is_udp_client()) {
|
|
iperf_run_udp_client();
|
|
} else if (iperf_is_udp_server()) {
|
|
iperf_run_udp_server();
|
|
} else if (iperf_is_tcp_client()) {
|
|
iperf_run_tcp_client();
|
|
} else {
|
|
iperf_run_tcp_server();
|
|
}
|
|
|
|
if (s_iperf_ctrl.buffer) {
|
|
free(s_iperf_ctrl.buffer);
|
|
s_iperf_ctrl.buffer = NULL;
|
|
}
|
|
ESP_LOGI(TAG, "iperf exit");
|
|
s_iperf_is_running = false;
|
|
vTaskDelete(NULL);
|
|
}
|
|
|
|
static uint32_t iperf_get_buffer_len(void)
|
|
{
|
|
if (iperf_is_udp_client()) {
|
|
return (s_iperf_ctrl.cfg.len_send_buf == 0 ? IPERF_UDP_TX_LEN : s_iperf_ctrl.cfg.len_send_buf);
|
|
} else if (iperf_is_udp_server()) {
|
|
return IPERF_UDP_RX_LEN;
|
|
} else if (iperf_is_tcp_client()) {
|
|
return (s_iperf_ctrl.cfg.len_send_buf == 0 ? IPERF_TCP_TX_LEN : s_iperf_ctrl.cfg.len_send_buf);
|
|
} else {
|
|
return IPERF_TCP_RX_LEN;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
esp_err_t iperf_start(iperf_cfg_t *cfg)
|
|
{
|
|
BaseType_t ret;
|
|
|
|
if (!cfg) {
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
if (s_iperf_is_running) {
|
|
ESP_LOGW(TAG, "iperf is running");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
memset(&s_iperf_ctrl, 0, sizeof(s_iperf_ctrl));
|
|
memcpy(&s_iperf_ctrl.cfg, cfg, sizeof(*cfg));
|
|
s_iperf_is_running = true;
|
|
s_iperf_ctrl.finish = false;
|
|
s_iperf_ctrl.buffer_len = iperf_get_buffer_len();
|
|
s_iperf_ctrl.buffer = (uint8_t *)malloc(s_iperf_ctrl.buffer_len);
|
|
if (!s_iperf_ctrl.buffer) {
|
|
ESP_LOGE(TAG, "create buffer: not enough memory");
|
|
return ESP_FAIL;
|
|
}
|
|
memset(s_iperf_ctrl.buffer, 0, s_iperf_ctrl.buffer_len);
|
|
ret = xTaskCreatePinnedToCore(iperf_task_traffic, IPERF_TRAFFIC_TASK_NAME, IPERF_TRAFFIC_TASK_STACK, NULL, IPERF_TRAFFIC_TASK_PRIORITY, NULL, portNUM_PROCESSORS - 1);
|
|
if (ret != pdPASS) {
|
|
ESP_LOGE(TAG, "create task %s failed", IPERF_TRAFFIC_TASK_NAME);
|
|
free(s_iperf_ctrl.buffer);
|
|
s_iperf_ctrl.buffer = NULL;
|
|
return ESP_FAIL;
|
|
}
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t iperf_stop(void)
|
|
{
|
|
if (s_iperf_is_running) {
|
|
s_iperf_ctrl.finish = true;
|
|
}
|
|
|
|
while (s_iperf_is_running) {
|
|
ESP_LOGI(TAG, "wait current iperf to stop ...");
|
|
vTaskDelay(300 / portTICK_PERIOD_MS);
|
|
}
|
|
return ESP_OK;
|
|
}
|