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esp_tls: added connection timeout to esp_tls_conn_new_sync()

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This commit is contained in:
David Cermak 2020-01-13 16:20:50 +01:00
parent e0c88dbd73
commit c7e1416174
4 changed files with 22 additions and 3 deletions
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12
components/esp-tls/esp_tls.c
View File

@ -689,8 +689,9 @@ esp_tls_t *esp_tls_conn_new(const char *hostname, int hostlen, int port, const e
int esp_tls_conn_new_sync(const char *hostname, int hostlen, int port, const esp_tls_cfg_t *cfg, esp_tls_t *tls)
{
/* esp_tls_conn_new_sync() is a sync alternative to esp_tls_conn_new_async() with symetric function prototype
/* esp_tls_conn_new_sync() is a sync alternative to esp_tls_conn_new_async() with symmetric function prototype
it is an alternative to esp_tls_conn_new() which is left for compatibility reasons */
size_t start = xTaskGetTickCount();
while (1) {
int ret = esp_tls_low_level_conn(hostname, hostlen, port, cfg, tls);
if (ret == 1) {
@ -698,6 +699,14 @@ int esp_tls_conn_new_sync(const char *hostname, int hostlen, int port, const esp
} else if (ret == -1) {
ESP_LOGE(TAG, "Failed to open new connection");
return -1;
} else if (ret == 0 && cfg->timeout_ms >= 0) {
size_t timeout_ticks = pdMS_TO_TICKS(cfg->timeout_ms);
uint32_t expired = xTaskGetTickCount() - start;
if (expired >= timeout_ticks) {
ESP_LOGW(TAG, "Failed to open new connection in specified timeout");
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ERR_TYPE_ESP, ESP_ERR_ESP_TLS_CONNECTION_TIMEOUT);
return 0;
}
}
}
return 0;
@ -741,6 +750,7 @@ esp_tls_t *esp_tls_conn_http_new(const char *url, const esp_tls_cfg_t *cfg)
get_port(url, &u), cfg, tls) == 1) {
return tls;
}
esp_tls_conn_delete(tls);
return NULL;
}

4
components/esp-tls/esp_tls.h
View File

@ -49,6 +49,8 @@ extern "C" {
#define ESP_ERR_MBEDTLS_SSL_WRITE_FAILED (ESP_ERR_ESP_TLS_BASE + 0x0E) /*!< mbedtls api returned error */
#define ESP_ERR_MBEDTLS_PK_PARSE_KEY_FAILED (ESP_ERR_ESP_TLS_BASE + 0x0F) /*!< mbedtls api returned failed */
#define ESP_ERR_MBEDTLS_SSL_HANDSHAKE_FAILED (ESP_ERR_ESP_TLS_BASE + 0x10) /*!< mbedtls api returned failed */
#define ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED (ESP_ERR_ESP_TLS_BASE + 0x11) /*!< mbedtls api returned failed */
#define ESP_ERR_ESP_TLS_CONNECTION_TIMEOUT (ESP_ERR_ESP_TLS_BASE + 0x12) /*!< new connection in esp_tls_low_level_conn connection timeouted */
typedef struct esp_tls_last_error* esp_tls_error_handle_t;
@ -273,7 +275,7 @@ esp_tls_t *esp_tls_conn_new(const char *hostname, int hostlen, int port, const e
* @return
* - -1 If connection establishment fails.
* - 1 If connection establishment is successful.
* - 0 Reserved for connection state is in progress.
* - 0 If connection state is in progress.
*/
int esp_tls_conn_new_sync(const char *hostname, int hostlen, int port, const esp_tls_cfg_t *cfg, esp_tls_t *tls);

7
components/esp_common/src/esp_err_to_name.c
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@ -581,6 +581,13 @@ static const esp_err_msg_t esp_err_msg_table[] = {
# endif
# ifdef ESP_ERR_MBEDTLS_SSL_HANDSHAKE_FAILED
ERR_TBL_IT(ESP_ERR_MBEDTLS_SSL_HANDSHAKE_FAILED), /* 32784 0x8010 mbedtls api returned failed */
# endif
# ifdef ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED
ERR_TBL_IT(ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED), /* 32785 0x8011 mbedtls api returned failed */
# endif
# ifdef ESP_ERR_ESP_TLS_CONNECTION_TIMEOUT
ERR_TBL_IT(ESP_ERR_ESP_TLS_CONNECTION_TIMEOUT), /* 32786 0x8012 new connection in esp_tls_low_level_conn
connection timeouted */
# endif
// components/esp_https_ota/include/esp_https_ota.h
# ifdef ESP_ERR_HTTPS_OTA_BASE

2
components/tcp_transport/transport_ssl.c
View File

@ -71,7 +71,7 @@ static int ssl_connect(esp_transport_handle_t t, const char *host, int port, int
ssl->cfg.timeout_ms = timeout_ms;
ssl->ssl_initialized = true;
ssl->tls = esp_tls_init();
if (esp_tls_conn_new_sync(host, strlen(host), port, &ssl->cfg, ssl->tls) < 0) {
if (esp_tls_conn_new_sync(host, strlen(host), port, &ssl->cfg, ssl->tls) <= 0) {
ESP_LOGE(TAG, "Failed to open a new connection");
esp_transport_set_errors(t, ssl->tls->error_handle);
esp_tls_conn_delete(ssl->tls);