PUBLISHED_FROM=26becdaf7dd61481b88b166ea87d44a7bc796660

Assume handshake request was declined if either MG_F_CLOSE_IMMEDIATELY _or_ MG_F_SEND_AND_CLOSE is set.

PUBLISHED_FROM=60af32a3f8890e826205465b9add2f58b1d46e5f

Free keys and cert before conf, not after

PUBLISHED_FROM=5628f56eb6973a779179d641fb425d0f14db39cf

Renegotiation is disabled, so we don't need them.
Reduces per-connection usage when idle by 3K.

PUBLISHED_FROM=24b2ac9557107f7da412dae6a42257c9b7c812d5

PUBLISHED_FROM=54774944d5402a5d6a351b4609428940c0ad20ea

 - Only allow one TCP segment in flight. Each segment is 1.5K and it
   adds up. This may increase latency, but memory is precious on ESP.
   At teh same time, optimize use of tcp_output: do not send a new segment
   on every write, only call tcp_output at the end of connection
   processing during poll.

 - Build LWIP with DNS disabled. We have our won resolver, and LWIP's
   allocates large static buffers (1K).

 - mbedTLS: Deallocate peer's certificate at the end of SSL handshake,
   reduces idle SSL connection footprint by ~1.5K.

 Some tweaks to the heap log viewer (which made all the above possible).

PUBLISHED_FROM=6e84bba64eacb2d737561e09313918104921ea80

Also performs trnasparent SPIFFS -> SLFS cert copy.

If the file's extension is .pem, convert it to DER format and put on SLFS.

PUBLISHED_FROM=364caab21969ca28a05802c4dde93a11d1e0feda

Also fixed a memory leak on reconnect: previously, each reconnect was
creating a `struct mg_connection` which was never reclaimed

PUBLISHED_FROM=eefdcf557e032ac81d5ed3aba55ac912e400148e

PUBLISHED_FROM=8e37c51c6b0bf7d0782f3a997360827471b95d2e

PUBLISHED_FROM=b17ef5bc8ec801fca91c89af5f97767a55911952

PUBLISHED_FROM=e1bb89268dfc4d51880b89b07fb2f69cb49e053b

Useful for debugging at level 3

PUBLISHED_FROM=b6a4565df0de0dccf37c182c71d2f4c852f2291a

PUBLISHED_FROM=ac54bcbc81a9ee688e8b90e261172be76a9fbacd

The only client of `mg_http_common_url_parse` (namely,
`mg_connect_http_base`) expects `port_i` to be the index in the address
string at which the port was added.

PUBLISHED_FROM=b095926b5485e4674e3c59ff8481171831fb61ae

Needed by TI libc for use with add_device

PUBLISHED_FROM=ff0713c5f4d04810894d8e1a82aaac25aa101365

PUBLISHED_FROM=ea64670e42ae58bbe26abee5d928f2afcd83bd46

PUBLISHED_FROM=01d691c9e06486cab0903b8db98e56fffc3fb234

If the path starts with /, do not drop it.
There are no directories on SLFS, but use of /pretend/paths/to/files.txt
is common. What we do drop is the ./ prefix (added by mongoose when document_root=.)

PUBLISHED_FROM=5108bc078dfaf8f8afa4db554b4769d9d7b8a103

PUBLISHED_FROM=a733ba6e06887a448f96f92679f6f8adbe9c61f7

PUBLISHED_FROM=f1a804466bea6d6d77103525d76ef7b819b63477

PUBLISHED_FROM=f7fb01509b3f3982724cc3b05e357d8dd385a546

PUBLISHED_FROM=7c6cb5517d0d2b13f29af29c511dd7f0baa5acc6

PUBLISHED_FROM=cccd28ef43ec4e08fa52340ce78bda10db5ac27a

PUBLISHED_FROM=f45d9832a884374f6f9ea3f2e0a8c9465f214896

PUBLISHED_FROM=182c43c3bd82190cb816c8ebaddccc13a94950d0

PUBLISHED_FROM=51c44c445309aa0850b227949a0a0a6be433d08c

PUBLISHED_FROM=5025692f3f4593b3ea38af51f8f49e1ac4df6b88

PUBLISHED_FROM=56ff5afe805e4680e02183a8c3887ea60ee5ebfe

`MG_ENABLE_...` macros are not yet renamed because it involves some
logic change: e.g.  instead of defining `MG_ENABLE_MQTT`, one should
define `MIOT_ENABLE_MQTT`, which should imply `MG_ENABLE_MQTT` as well.

Macro refactoring is going to be done in another PR.

PUBLISHED_FROM=f8b66d5772846126b94223a729a6bd87897f8de6

PUBLISHED_FROM=4fdfa61e7b3b62083b0ac8fe74dd2dd3793f50fe

PUBLISHED_FROM=c56b4ae00c454e6931ab29b095641bf0222f860c

It wasn't checked for `NULL`, and on CC3200 NULL dereferencing addresses
doesn't cause a crash, so it worked by pure luck: ctx->ssl_key was 0.
After `mg_` to `miot_` refactoring it's not the case anymore (presumably
because linker arranged objects in a different order), so this bug shown
up.

PUBLISHED_FROM=0f1cc73a078c18432c68ae0f9b14dd06b3bb4279

PUBLISHED_FROM=0454cdeec5c7120eb4bf905fdd5b7abdcb4003c2

PUBLISHED_FROM=196199fd02ec9b20d1e76d1414bfafa624f9ebce

in light of the root cause discovered by rojer
and addressed in cesanta/dev#5882 for the http connection code path.

PUBLISHED_FROM=aea563150a0411cbe3fdc6f7911529f3136cc76f

CC3200 (TI's C library) doesn't like it

https://e2e.ti.com/support/development_tools/compiler/f/343/t/554883

PUBLISHED_FROM=d0e9fb7ebb7d189d1a76451d609f1f1861c7a837

PUBLISHED_FROM=8449d4df2a4caf7afc0f9b50f85bb01d79b8c4eb

PUBLISHED_FROM=edb1063d3fd64e3c732f16b8bf101c065cdacddd

Digital signature key usage is required for the key to be used for (EC)DHE.

PUBLISHED_FROM=b33366d484aff2c478b2f44b85dba33d04d3a808

Currently only OpenSSL API impl, but the plan is to add more.

PUBLISHED_FROM=c85b26fa2312047768bdcf3eca583e60862aba90