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example: optimize the robust of TCP connect

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This commit is contained in:
zhangyanjiao 2017-07-21 11:40:30 +08:00
parent 43b81c8f11
commit e782928b50
3 changed files with 217 additions and 169 deletions
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126
examples/performance/tcp_perf/main/tcp_main.c
View file

@ -36,75 +36,91 @@ step3:
#include "tcp_perf.h"
//this task establish a TCP connection and receive data from TCP
static void tcp_conn(void *pvParameters)
{
ESP_LOGI(TAG, "task tcp_conn.");
/*wating for connecting to AP*/
xEventGroupWaitBits(tcp_event_group, WIFI_CONNECTED_BIT,false, true, portMAX_DELAY);
ESP_LOGI(TAG, "sta has connected to ap.");
/*create tcp socket*/
int socket_ret;
#if EXAMPLE_ESP_TCP_MODE_SERVER
ESP_LOGI(TAG, "tcp_server will start after 3s...");
vTaskDelay(3000 / portTICK_RATE_MS);
ESP_LOGI(TAG, "create_tcp_server.");
socket_ret=create_tcp_server();
#else /*EXAMPLE_ESP_TCP_MODE_SERVER*/
ESP_LOGI(TAG, "tcp_client will start after 20s...");
vTaskDelay(20000 / portTICK_RATE_MS);
ESP_LOGI(TAG, "create_tcp_client.");
socket_ret = create_tcp_client();
#endif
if(socket_ret == ESP_FAIL) {
ESP_LOGI(TAG, "create tcp socket error,stop.");
vTaskDelete(NULL);
}
/*create a task to tx/rx data*/
TaskHandle_t tx_rx_task;
#if EXAMPLE_ESP_TCP_PERF_TX
xTaskCreate(&send_data, "send_data", 4096, NULL, 4, &tx_rx_task);
#else /*EXAMPLE_ESP_TCP_PERF_TX*/
xTaskCreate(&recv_data, "recv_data", 4096, NULL, 4, &tx_rx_task);
#endif
int bps;
while (1) {
total_data = 0;
vTaskDelay(3000 / portTICK_RATE_MS);//every 3s
bps = total_data / 3;
if (total_data <= 0) {
int err_ret = check_working_socket();
if (err_ret == ECONNRESET || ECONNABORTED) {
ESP_LOGW(TAG, "tcp disconnected... stop.\n");
break;
}
}
g_rxtx_need_restart = false;
ESP_LOGI(TAG, "task tcp_conn.");
/*wating for connecting to AP*/
xEventGroupWaitBits(tcp_event_group, WIFI_CONNECTED_BIT, false, true, portMAX_DELAY);
ESP_LOGI(TAG, "sta has connected to ap.");
int socket_ret = ESP_FAIL;
TaskHandle_t tx_rx_task = NULL;
#if EXAMPLE_ESP_TCP_MODE_SERVER
if (socket_ret == ESP_FAIL) {
/*create tcp socket*/
ESP_LOGI(TAG, "tcp_server will start after 3s...");
vTaskDelay(3000 / portTICK_RATE_MS);
ESP_LOGI(TAG, "create_tcp_server.");
socket_ret = create_tcp_server();
}
#else /*EXAMPLE_ESP_TCP_MODE_SERVER*/
if (socket_ret == ESP_FAIL) {
ESP_LOGI(TAG, "tcp_client will start after 20s...");
vTaskDelay(20000 / portTICK_RATE_MS);
ESP_LOGI(TAG, "create_tcp_client.");
socket_ret = create_tcp_client();
}
#endif
if (socket_ret == ESP_FAIL) {
ESP_LOGI(TAG, "create tcp socket error,stop.");
continue;
}
/*create a task to tx/rx data*/
#if EXAMPLE_ESP_TCP_PERF_TX
ESP_LOGI(TAG, "tcp send %d byte per sec!", bps);
if (tx_rx_task == NULL) {
if (pdPASS != xTaskCreate(&send_data, "send_data", 4096, NULL, 4, &tx_rx_task)) {
ESP_LOGE(TAG, "Send task create fail!");
}
}
#else /*EXAMPLE_ESP_TCP_PERF_TX*/
if (tx_rx_task == NULL) {
if (pdPASS != xTaskCreate(&recv_data, "recv_data", 4096, NULL, 4, &tx_rx_task)) {
ESP_LOGE(TAG, "Recv task create fail!");
}
}
#endif
double bps;
while (1) {
g_total_data = 0;
vTaskDelay(3000 / portTICK_RATE_MS);//every 3s
bps = (g_total_data * 8.0 / 3.0) / 1000000.0;
if (g_rxtx_need_restart) {
printf("send or receive task encoutner error, need to restart\n");
break;
}
#if EXAMPLE_ESP_TCP_PERF_TX
ESP_LOGI(TAG, "tcp send %.2f Mbits per sec!\n", bps);
#if EXAMPLE_ESP_TCP_DELAY_INFO
ESP_LOGI(TAG, "tcp send packet total:%d succeed:%d failed:%d\n"
"time(ms):0-30:%d 30-100:%d 100-300:%d 300-1000:%d 1000+:%d\n",
total_pack, send_success, send_fail, delay_classify[0],
delay_classify[1], delay_classify[2], delay_classify[3], delay_classify[4]);
ESP_LOGI(TAG, "tcp send packet total:%d succeed:%d failed:%d\n"
"time(ms):0-30:%d 30-100:%d 100-300:%d 300-1000:%d 1000+:%d\n",
g_total_pack, g_send_success, g_send_fail, g_delay_classify[0],
g_delay_classify[1], g_delay_classify[2], g_delay_classify[3], g_delay_classify[4]);
#endif /*EXAMPLE_ESP_TCP_DELAY_INFO*/
#else
ESP_LOGI(TAG, "tcp recv %d byte per sec!\n", bps);
ESP_LOGI(TAG, "tcp recv %.2f Mbits per sec!\n", bps);
#endif /*EXAMPLE_ESP_TCP_PERF_TX*/
}
close_socket();
}
close_socket();
vTaskDelete(tx_rx_task);
vTaskDelete(NULL);
}
void app_main(void)
{
#if EXAMPLE_ESP_WIFI_MODE_AP

247
examples/performance/tcp_perf/main/tcp_perf.c
View file

@ -29,15 +29,16 @@ static struct sockaddr_in server_addr;
static struct sockaddr_in client_addr;
static unsigned int socklen = sizeof(client_addr);
static int connect_socket = 0;
bool g_rxtx_need_restart = false;
int total_data = 0;
int g_total_data = 0;
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
int total_pack = 0;
int send_success = 0;
int send_fail = 0;
int delay_classify[5] = { 0 };
int g_total_pack = 0;
int g_send_success = 0;
int g_send_fail = 0;
int g_delay_classify[5] = { 0 };
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
@ -46,7 +47,7 @@ int delay_classify[5] = { 0 };
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
@ -57,22 +58,22 @@ static esp_err_t event_handler(void *ctx, system_event_t *event)
case SYSTEM_EVENT_STA_CONNECTED:
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "got ip:%s\n",
ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
ESP_LOGI(TAG, "got ip:%s\n",
ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
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);
xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
break;
ESP_LOGI(TAG, "station:"MACSTR" join,AID=%d\n",
MAC2STR(event->event_info.sta_connected.mac),
event->event_info.sta_connected.aid);
xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
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);
xEventGroupClearBits(tcp_event_group, WIFI_CONNECTED_BIT);
break;
ESP_LOGI(TAG, "station:"MACSTR"leave,AID=%d\n",
MAC2STR(event->event_info.sta_disconnected.mac),
event->event_info.sta_disconnected.aid);
xEventGroupClearBits(tcp_event_group, WIFI_CONNECTED_BIT);
break;
default:
break;
}
@ -83,9 +84,9 @@ static esp_err_t event_handler(void *ctx, system_event_t *event)
void send_data(void *pvParameters)
{
int len = 0;
char databuff[EXAMPLE_DEFAULT_PKTSIZE];
char *databuff = (char *)malloc(EXAMPLE_DEFAULT_PKTSIZE * sizeof(char));
memset(databuff, EXAMPLE_PACK_BYTE_IS, EXAMPLE_DEFAULT_PKTSIZE);
vTaskDelay(100/portTICK_RATE_MS);
vTaskDelay(100 / portTICK_RATE_MS);
ESP_LOGI(TAG, "start sending...");
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
//delaytime
@ -93,66 +94,89 @@ void send_data(void *pvParameters)
struct timeval tv_finish;
unsigned long send_delay_ms;
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
while(1) {
while (1) {
int to_write = EXAMPLE_DEFAULT_PKTSIZE;
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
total_pack++;
gettimeofday(&tv_start, NULL);
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
//send function
len = send(connect_socket, databuff, EXAMPLE_DEFAULT_PKTSIZE, 0);
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
gettimeofday(&tv_finish, NULL);
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
if(len > 0) {
total_data += len;
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_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;
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 /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
} else {
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
send_fail++;
g_total_pack++;
gettimeofday(&tv_start, NULL);
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) {
show_socket_error_reason(connect_socket);
}
} /*if(len > 0)*/
}
//send function
while (to_write > 0) {
len = send(connect_socket, databuff + (EXAMPLE_DEFAULT_PKTSIZE - to_write), to_write, 0);
if (len > 0) {
g_total_data += len;
to_write -= len;
} else {
int err = get_socket_error_code(connect_socket);
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
g_send_fail++;
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
if (err != ENOMEM) {
show_socket_error_reason("send_data", connect_socket);
break;
}
}
}
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
gettimeofday(&tv_finish, NULL);
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
if (g_total_data > 0) {
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
g_send_success++;
send_delay_ms = (tv_finish.tv_sec - tv_start.tv_sec) * 1000
+ (tv_finish.tv_usec - tv_start.tv_usec) / 1000;
if (send_delay_ms < 30) {
g_delay_classify[0]++;
} else if (send_delay_ms < 100) {
g_delay_classify[1]++;
} else if (send_delay_ms < 300) {
g_delay_classify[2]++;
} else if (send_delay_ms < 1000) {
g_delay_classify[3]++;
} else {
g_delay_classify[4]++;
}
#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
} else {
break;
}
}
g_rxtx_need_restart = true;
free(databuff);
vTaskDelete(NULL);
}
//receive data
void recv_data(void *pvParameters)
{
int len = 0;
char databuff[EXAMPLE_DEFAULT_PKTSIZE];
char *databuff = (char *)malloc(EXAMPLE_DEFAULT_PKTSIZE * sizeof(char));
while (1) {
len = recv(connect_socket, databuff, EXAMPLE_DEFAULT_PKTSIZE, 0);
if (len > 0) {
total_data += len;
} else {
if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) {
show_socket_error_reason(connect_socket);
int to_recv = EXAMPLE_DEFAULT_PKTSIZE;
while (to_recv > 0) {
len = recv(connect_socket, databuff + (EXAMPLE_DEFAULT_PKTSIZE - to_recv), to_recv, 0);
if (len > 0) {
g_total_data += len;
to_recv -= len;
} else {
show_socket_error_reason("recv_data", connect_socket);
break;
}
vTaskDelay(100 / portTICK_RATE_MS);
}
}
if (g_total_data > 0) {
continue;
} else {
break;
}
}
g_rxtx_need_restart = true;
free(databuff);
vTaskDelete(NULL);
}
@ -162,27 +186,28 @@ esp_err_t create_tcp_server()
ESP_LOGI(TAG, "server socket....port=%d\n", EXAMPLE_DEFAULT_PORT);
server_socket = socket(AF_INET, SOCK_STREAM, 0);
if (server_socket < 0) {
show_socket_error_reason(server_socket);
return ESP_FAIL;
show_socket_error_reason("create_server", server_socket);
return ESP_FAIL;
}
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(EXAMPLE_DEFAULT_PORT);
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr)) < 0) {
show_socket_error_reason(server_socket);
close(server_socket);
return ESP_FAIL;
if (bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
show_socket_error_reason("bind_server", server_socket);
close(server_socket);
return ESP_FAIL;
}
if (listen(server_socket, 5) < 0) {
show_socket_error_reason(server_socket);
close(server_socket);
return ESP_FAIL;
show_socket_error_reason("listen_server", server_socket);
close(server_socket);
return ESP_FAIL;
}
connect_socket = accept(server_socket, (struct sockaddr*)&client_addr, &socklen);
if (connect_socket<0) {
show_socket_error_reason(connect_socket);
close(server_socket);
return ESP_FAIL;
connect_socket = accept(server_socket, (struct sockaddr *)&client_addr, &socklen);
if (connect_socket < 0) {
show_socket_error_reason("accept_server", connect_socket);
close(server_socket);
return ESP_FAIL;
}
/*connection established，now can send/recv*/
ESP_LOGI(TAG, "tcp connection established!");
@ -191,20 +216,20 @@ esp_err_t create_tcp_server()
//use this esp32 as a tcp client. return ESP_OK:success ESP_FAIL:error
esp_err_t create_tcp_client()
{
ESP_LOGI(TAG, "client socket....serverip:port=%s:%d\n",
EXAMPLE_DEFAULT_SERVER_IP, EXAMPLE_DEFAULT_PORT);
ESP_LOGI(TAG, "client socket....serverip:port=%s:%d\n",
EXAMPLE_DEFAULT_SERVER_IP, EXAMPLE_DEFAULT_PORT);
connect_socket = socket(AF_INET, SOCK_STREAM, 0);
if (connect_socket < 0) {
show_socket_error_reason(connect_socket);
return ESP_FAIL;
show_socket_error_reason("create client", connect_socket);
return ESP_FAIL;
}
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(EXAMPLE_DEFAULT_PORT);
server_addr.sin_addr.s_addr = inet_addr(EXAMPLE_DEFAULT_SERVER_IP);
ESP_LOGI(TAG, "connecting to server...");
if (connect(connect_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
show_socket_error_reason(connect_socket);
return ESP_FAIL;
show_socket_error_reason("client connect", connect_socket);
return ESP_FAIL;
}
ESP_LOGI(TAG, "connect to server success!");
return ESP_OK;
@ -233,7 +258,7 @@ void wifi_init_sta()
ESP_LOGI(TAG, "wifi_init_sta finished.");
ESP_LOGI(TAG, "connect to ap SSID:%s password:%s \n",
EXAMPLE_DEFAULT_SSID,EXAMPLE_DEFAULT_PWD);
EXAMPLE_DEFAULT_SSID, EXAMPLE_DEFAULT_PWD);
}
//wifi_init_softap
void wifi_init_softap()
@ -249,13 +274,13 @@ void wifi_init_softap()
.ap = {
.ssid = EXAMPLE_DEFAULT_SSID,
.ssid_len = 0,
.max_connection=EXAMPLE_MAX_STA_CONN,
.max_connection = EXAMPLE_MAX_STA_CONN,
.password = EXAMPLE_DEFAULT_PWD,
.authmode = WIFI_AUTH_WPA_WPA2_PSK
},
};
if (strlen(EXAMPLE_DEFAULT_PWD) ==0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
if (strlen(EXAMPLE_DEFAULT_PWD) == 0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
@ -263,7 +288,7 @@ void wifi_init_softap()
ESP_ERROR_CHECK(esp_wifi_start());
ESP_LOGI(TAG, "wifi_init_softap finished.SSID:%s password:%s \n",
EXAMPLE_DEFAULT_SSID, EXAMPLE_DEFAULT_PWD);
EXAMPLE_DEFAULT_SSID, EXAMPLE_DEFAULT_PWD);
}
@ -273,17 +298,22 @@ int get_socket_error_code(int socket)
{
int result;
u32_t optlen = sizeof(int);
if(getsockopt(socket, SOL_SOCKET, SO_ERROR, &result, &optlen) == -1) {
ESP_LOGE(TAG, "getsockopt failed");
return -1;
int err = getsockopt(socket, SOL_SOCKET, SO_ERROR, &result, &optlen);
if (err == -1) {
ESP_LOGE(TAG, "getsockopt failed:%s", strerror(err));
return -1;
}
return result;
}
int show_socket_error_reason(int socket)
int show_socket_error_reason(const char *str, int socket)
{
int err = get_socket_error_code(socket);
ESP_LOGW(TAG, "socket error %d %s", err, strerror(err));
if (err != 0) {
ESP_LOGW(TAG, "%s socket error %d %s", str, err, strerror(err));
}
return err;
}
@ -293,19 +323,21 @@ int check_working_socket()
#if EXAMPLE_ESP_TCP_MODE_SERVER
ESP_LOGD(TAG, "check server_socket");
ret = get_socket_error_code(server_socket);
if(ret != 0) {
ESP_LOGW(TAG, "server socket error %d %s", ret, strerror(ret));
if (ret != 0) {
ESP_LOGW(TAG, "server socket error %d %s", ret, strerror(ret));
}
if (ret == ECONNRESET) {
return ret;
}
if(ret == ECONNRESET)
return ret;
#endif
ESP_LOGD(TAG, "check connect_socket");
ret = get_socket_error_code(connect_socket);
if(ret != 0) {
ESP_LOGW(TAG, "connect socket error %d %s", ret, strerror(ret));
if (ret != 0) {
ESP_LOGW(TAG, "connect socket error %d %s", ret, strerror(ret));
}
if (ret != 0) {
return ret;
}
if(ret != 0)
return ret;
return 0;
}
@ -315,4 +347,3 @@ void close_socket()
close(server_socket);
}

13
examples/performance/tcp_perf/main/tcp_perf.h
View file

@ -46,13 +46,14 @@ extern "C" {
extern EventGroupHandle_t tcp_event_group;
#define WIFI_CONNECTED_BIT BIT0
extern int total_data;
extern int g_total_data;
extern bool g_rxtx_need_restart;
#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
extern int total_pack;
extern int send_success;
extern int send_fail;
extern int delay_classify[5];
extern int g_total_pack;
extern int g_send_success;
extern int g_send_fail;
extern int g_delay_classify[5];
#endif/*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
@ -78,7 +79,7 @@ void close_socket();
int get_socket_error_code(int socket);
//show socket error code. return: error code
int show_socket_error_reason(int socket);
int show_socket_error_reason(const char* str, int socket);
//check working socket
int check_working_socket();