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9459c0dd43
This port employs IDF port of OpenSSL for most common features, others are discouraged or not supported. The port also introduces several stubs for OpenSSL functions which ASIO needs to get compiled and linked. Upstream ASIO supports WolfSSL as SSL/TLS stack, as well, which is another option for SSL support in ASIO on ESP platform.
44 lines
1.4 KiB
ReStructuredText
44 lines
1.4 KiB
ReStructuredText
ASIO port
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=========
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Overview
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--------
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Asio is a cross-platform C++ library, see https://think-async.com. It provides a consistent asynchronous model using a modern C++ approach.
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ASIO documentation
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^^^^^^^^^^^^^^^^^^
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Please refer to the original asio documentation at https://think-async.com/Asio/Documentation.
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Asio also comes with a number of examples which could be find under Documentation/Examples on that web site.
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Supported features
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^^^^^^^^^^^^^^^^^^
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ESP platform port currently supports only network asynchronous socket operations; does not support serial port.
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SSL/TLS support if disabled by default and could be enabled in component configuration menu and choosing TLS library from
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- mbedTLS with OpenSSL translation layer (default option)
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- wolfSSL
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SSL support is very basic at this stage, not including
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- Verification callbacks
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- DH property files
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- Certificates/private keys file APIs
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Internal asio settings for ESP include
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- EXCEPTIONS are enabled in ASIO if enabled in menuconfig
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- TYPEID is enabled in ASIO if enabled in menuconfig
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Application Example
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-------------------
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ESP examples are based on standard asio :example:`protocols/asio`:
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- :example:`protocols/asio/udp_echo_server`
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- :example:`protocols/asio/tcp_echo_server`
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- :example:`protocols/asio/chat_client`
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- :example:`protocols/asio/chat_server`
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- :example:`protocols/asio/ssl_client_server`
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Please refer to the specific example README.md for details
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