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Update WiFiServer docs for ::write(all clients) (#6338)

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Fixes #5116
Fixes #2743

The Arduino WiFiClient object allows sending the same packet to all
connected clients of a WiFiServer.  In their implementation it may make
sense, but on the 8266 with things like SSL it doesn't.

Update the docs to note that WiFiServer::write() is a no-op, and that
the app should use the WiFiCliebnt::write() on all connected clients as
appropriate.
This commit is contained in:
Earle F. Philhower, III 2019-07-25 05:31:00 -07:00 committed by david gauchard
parent aa0bc3372f
commit 76ed52c1b2
1 changed files with 7 additions and 0 deletions
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7
doc/esp8266wifi/server-class.rst
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@ -14,6 +14,13 @@ Methods documented for the `Server Class <https://www.arduino.cc/en/Reference/Wi
Methods and properties described further down are specific to ESP8266. They are not covered in `Arduino WiFi library <https://www.arduino.cc/en/Reference/WiFi>`__ documentation. Before they are fully documented please refer to information below.
write (write to all clients) not supported
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please note that the ``write`` method on the ``WiFiServer`` object is not implemented and returns failure always. Use the returned
``WiFiClient`` object from the ``WiFiServer::available()`` method to communicate with individual clients. If you need to send
the exact same packets to a series of clients, your application must maintain a list of connected clients and iterate over them manually.
setNoDelay
~~~~~~~~~~