Fix dropped SSL connection when buffer gets full. #4820
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mbedTLS requires repeated calls to mbedtls_ssl_write() whenever it returns MBEDTLS_ERR_SSL_WANT_READ or MBEDTLS_ERR_SSL_WANT_WRITE. this happens when the client sends data faster then the server or the connection can handle.
me-no-dev
reviewed
Feb 18, 2021
| return handle_error(ret); | ||
| } else{ | ||
| log_v("Returning with %d bytes written", ret); //for low level debug | ||
| while ((ret = mbedtls_ssl_write(&ssl_client->ssl_ctx, data, len)) <= 0) { |
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I left a note on this part in the 2.0.0 PR :) could you please have a look?
Add vTaskDelay().
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This likely also fixed the (largely) ignored #3193. |
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mbedTLS requires repeated calls to mbedtls_ssl_write() whenever it returns MBEDTLS_ERR_SSL_WANT_READ or MBEDTLS_ERR_SSL_WANT_WRITE. this happens when the client sends data faster then the server or the connection can handle.