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feat: Support using wolfSSL library

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This commit is contained in:
Liu Han
2019-01-23 16:44:29 +08:00
parent 7d01ea2dab
commit e1aaf4f30d
1 changed files with 57 additions and 3 deletions
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58
examples/protocols/https_request/main/https_request_example_main.c
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@ -38,6 +38,10 @@
#include "lwip/netdb.h" #include "lwip/netdb.h"
#include "lwip/dns.h" #include "lwip/dns.h"
#if CONFIG_SSL_USING_WOLFSSL
#include "lwip/apps/sntp.h"
#endif
#include "esp_tls.h" #include "esp_tls.h"
/* The examples use simple WiFi configuration that you can set via /* The examples use simple WiFi configuration that you can set via
@ -123,11 +127,50 @@ static void initialise_wifi(void)
ESP_ERROR_CHECK( esp_wifi_start() ); ESP_ERROR_CHECK( esp_wifi_start() );
} }
#if CONFIG_SSL_USING_WOLFSSL
static void get_time()
{
struct timeval now;
int sntp_retry_cnt = 0;
int sntp_retry_time = 0;
sntp_setoperatingmode(0);
sntp_setservername(0, "pool.ntp.org");
sntp_init();
while (1) {
for (int32_t i = 0; (i < (SNTP_RECV_TIMEOUT / 100)) && now.tv_sec < 1525952900; i++) {
vTaskDelay(100 / portTICK_RATE_MS);
gettimeofday(&now, NULL);
}
if (now.tv_sec < 1525952900) {
sntp_retry_time = SNTP_RECV_TIMEOUT << sntp_retry_cnt;
if (SNTP_RECV_TIMEOUT << (sntp_retry_cnt + 1) < SNTP_RETRY_TIMEOUT_MAX) {
sntp_retry_cnt ++;
}
printf("SNTP get time failed, retry after %d ms\n", sntp_retry_time);
vTaskDelay(sntp_retry_time / portTICK_RATE_MS);
} else {
printf("SNTP get time success\n");
break;
}
}
}
#endif
static void https_get_task(void *pvParameters) static void https_get_task(void *pvParameters)
{ {
char buf[512]; char buf[512];
int ret, len; int ret, len;
#if CONFIG_SSL_USING_WOLFSSL
/* CA date verification need system time */
get_time();
#endif
while(1) { while(1) {
/* Wait for the callback to set the CONNECTED_BIT in the /* Wait for the callback to set the CONNECTED_BIT in the
event group. event group.
@ -157,7 +200,13 @@ static void https_get_task(void *pvParameters)
if (ret >= 0) { if (ret >= 0) {
ESP_LOGI(TAG, "%d bytes written", ret); ESP_LOGI(TAG, "%d bytes written", ret);
written_bytes += ret; written_bytes += ret;
} else if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) { } else if
#if CONFIG_SSL_USING_MBEDTLS
(ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE)
#else
(ret != WOLFSSL_ERROR_WANT_READ && ret != WOLFSSL_ERROR_WANT_WRITE)
#endif
{
ESP_LOGE(TAG, "esp_tls_conn_write returned 0x%x", ret); ESP_LOGE(TAG, "esp_tls_conn_write returned 0x%x", ret);
goto exit; goto exit;
} }
@ -171,7 +220,12 @@ static void https_get_task(void *pvParameters)
bzero(buf, sizeof(buf)); bzero(buf, sizeof(buf));
ret = esp_tls_conn_read(tls, (char *)buf, len); ret = esp_tls_conn_read(tls, (char *)buf, len);
if(ret == MBEDTLS_ERR_SSL_WANT_WRITE || ret == MBEDTLS_ERR_SSL_WANT_READ) if
#if CONFIG_SSL_USING_MBEDTLS
(ret == MBEDTLS_ERR_SSL_WANT_WRITE || ret == MBEDTLS_ERR_SSL_WANT_READ)
#else
(ret == WOLFSSL_ERROR_WANT_READ && ret == WOLFSSL_ERROR_WANT_WRITE)
#endif
continue; continue;
if(ret < 0) if(ret < 0)