esp-idf/examples/performance/tcp_perf/main/tcp_perf.c

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#include "tcp_perf.h"
extern int connectedflag;
extern int totle_data;
#if ESP_TCP_PERF_TX && ESP_TCP_DELAY_INFO
extern int totle_pack;
extern int send_success;
extern int send_fail;
extern int delay_classify[5];
#endif
/* FreeRTOS event group to signal when we are connected & ready to make a request */
static EventGroupHandle_t wifi_event_group;
/*socket*/
static int sever_socket;
static struct sockaddr_in sever_addr;
static struct sockaddr_in client_addr;
static unsigned int socklen = sizeof(client_addr);
static int connect_soc;
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_CONNECTED:
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "event_handler:SYSTEM_EVENT_STA_GOT_IP!\n");
ESP_LOGI(TAG, "ip:%s\n",ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
connectedflag=1;
break;
case SYSTEM_EVENT_AP_STACONNECTED:
ESP_LOGI(TAG, "station:"MACSTR" join,AID=%d\n",
MAC2STR(event->event_info.sta_connected.mac),
event->event_info.sta_connected.aid);
connectedflag=1;
break;
case SYSTEM_EVENT_AP_STADISCONNECTED:
ESP_LOGI(TAG, "station:"MACSTR"leave,AID=%d\n",
MAC2STR(event->event_info.sta_disconnected.mac),
event->event_info.sta_disconnected.aid);
break;
default:
break;
}
return ESP_OK;
}
//send data
void send_data(void *pvParameters)
{
int len=0;
char databuff[DEFAULT_PKTSIZE];
memset(databuff,97,DEFAULT_PKTSIZE);
vTaskDelay(100/portTICK_RATE_MS);
ESP_LOGI(TAG,"start sending...");
while(1)
{
#if ESP_TCP_PERF_TX && ESP_TCP_DELAY_INFO
//delaytime
struct timeval tv_start;
struct timeval tv_finish;
unsigned int send_delay_ms;
totle_pack++;
gettimeofday(&tv_start,NULL);
#endif
len=send(connect_soc, databuff, DEFAULT_PKTSIZE, 0);
#if ESP_TCP_PERF_TX && ESP_TCP_DELAY_INFO
gettimeofday(&tv_finish,NULL);
#endif
if(len>0)
{
totle_data+=len;
#if ESP_TCP_PERF_TX && ESP_TCP_DELAY_INFO
send_success++;
send_delay_ms=(tv_finish.tv_sec-tv_start.tv_sec)*1000
+(tv_finish.tv_usec-tv_start.tv_usec)/1000;
//ESP_LOGI(TAG, "send_delay_ms=%d",send_delay_ms);
if(send_delay_ms<30)
delay_classify[0]++;
else if(send_delay_ms<100)
delay_classify[1]++;
else if(send_delay_ms<300)
delay_classify[2]++;
else if(send_delay_ms<1000)
delay_classify[3]++;
else
delay_classify[4]++;
#endif
}
else
{
#if ESP_TCP_PERF_TX && ESP_TCP_DELAY_INFO
send_fail++;
#endif
/*for faster send&receive,don't show error code.
*if it can't work as expectations,unnote the two lines here
**/
//perror("data_count error");
//vTaskDelay(500/portTICK_RATE_MS);
}
}
}
//send data
void recv_data(void *pvParameters)
{
int len=0;
char databuff[DEFAULT_PKTSIZE];
while(1)
{
len=recv(connect_soc, databuff, DEFAULT_PKTSIZE, 0);
if(len>0)
{
totle_data+=len;
}
else
{
perror("data_count error");
vTaskDelay(500/portTICK_RATE_MS);
}
}
}
//use this esp32 as a tcp sever. return 0:success -1:error
int creat_tcp_sever()
{
ESP_LOGI(TAG, "sever socket....port=%d\n",DEFAULTPORT);
sever_socket = socket(AF_INET, SOCK_STREAM, 0);
if(sever_socket < 0)
{
perror("socket() error:");
return -1;
}
sever_addr.sin_family = AF_INET;
sever_addr.sin_port = htons(DEFAULTPORT);
sever_addr.sin_addr.s_addr = htonl(INADDR_ANY);
if(bind(sever_socket,(struct sockaddr*)&sever_addr,sizeof(sever_addr))<0)
{
perror("bind() error");
close(sever_socket);
return -1;
}
if(listen(sever_socket,5)<0)
{
perror("listen() error");
close(sever_socket);
return -1;
}
connect_soc = accept(sever_socket,(struct sockaddr*)&client_addr,&socklen);
if(connect_soc<0)
{
perror("accept() error");
close(sever_socket);
return -1;
}
/*connection establishednow can send/recv*/
ESP_LOGI(TAG, "tcp connection established!");
return 0;
}
//use this esp32 as a tcp client. return 0:success -1:error
int creat_tcp_client()
{
ESP_LOGI(TAG, "client socket....severip:port=%s:%d\n",DEFAULTSEVERIP,DEFAULTPORT);
connect_soc = socket(AF_INET, SOCK_STREAM, 0);
if(connect_soc < 0)
{
perror("socket failed!");
return -1;
}
sever_addr.sin_family = AF_INET;
sever_addr.sin_port = htons(DEFAULTPORT);
sever_addr.sin_addr.s_addr = inet_addr(DEFAULTSEVERIP);
printf("connecting to sever...");
if(connect(connect_soc, (struct sockaddr *)&sever_addr, sizeof(sever_addr)) < 0)
{
perror("connect to sever error!");
return -1;
}
ESP_LOGI(TAG,"connect to sever success!");
return 0;
}
//wifi_init_sta
void wifi_init_sta()
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
wifi_config_t wifi_config = {
.sta = {
.ssid = DEFAULTSSID,
.password = DEFAULTPWD
},
};
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
ESP_LOGI(TAG, "wifi_init_sta finished.");
ESP_LOGI(TAG, "connect to ap SSID:%s password:%s \n",DEFAULTSSID,DEFAULTPWD);
}
//wifi_init_softap
void wifi_init_softap()
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
wifi_config_t wifi_config = {
.ap = {
.ssid = DEFAULTSSID,
.ssid_len=0,
.max_connection=MAXSTACONN,
.password = DEFAULTPWD,
.authmode=WIFI_AUTH_WPA_WPA2_PSK
},
};
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_AP) );
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
ESP_LOGI(TAG, "wifi_init_softap finished.SSID:%s password:%s \n",DEFAULTSSID,DEFAULTPWD);
}
void close_socket()
{
close(connect_soc);
close(sever_socket);
}