PUBLISHED_FROM=183a1bb571d0e2f5c23181107d30417f73c1eeb1

Close cesanta/dev#6974

PUBLISHED_FROM=4d4e4a46eceba10aec8dacb7f8f58bd078c92307

This can happen if the underlying LWIP TCP PCB has been destroyed (we got tcp_error_cb).

PUBLISHED_FROM=7a060aa4ca2a0c5a818fe9bc6b08cd0733c0ef8f

PUBLISHED_FROM=66b2dee87dc50de5f2891dee789beec89c3f6fb4

PUBLISHED_FROM=0e407a2fb328107540d753123fe027f43860d0ef

PUBLISHED_FROM=0a0ef6f68d743cbba91d9ba911f1c5be69e6aac7

PUBLISHED_FROM=257deff5ea20302627e77a0f29cf2359276a41d4

PUBLISHED_FROM=990564aa54946b2a5b52d3a9c31f80b8e93c6b44

PUBLISHED_FROM=e7f306b5d1a1366d3ec71fa238c5e18c03aadf8d

PUBLISHED_FROM=bb03593fb2abfb79daa3118b786428ee3e693e3d

PUBLISHED_FROM=2babde0d0c6add14aa500f4bf1c833715d979c6c

PUBLISHED_FROM=56fdeaf4965ef26c398267c8656735bb52e45085

PUBLISHED_FROM=599ccd99e7bf422cac5e8b1f5ccebe3cac2780e8

PUBLISHED_FROM=a28c1da3f0dd597792439246313ca39984ab7536

PUBLISHED_FROM=7c919ba3a2afa74cec9947e78299b4bb7a64b4bc

PUBLISHED_FROM=c5691d4321fff2e03f689b0195abd1ec6a188418

PUBLISHED_FROM=10772301ef115c31ada3521ff4235c33a421b782

PUBLISHED_FROM=51d68829414739b04fafc9198d86b817c38d71d2

By sending close_notify

PUBLISHED_FROM=028a001cb9470a16cc7a6544805bfb042a435779

PUBLISHED_FROM=29a204c2c7f35724b6f1e8435edb94869da2362c

PUBLISHED_FROM=93fe1cc2c5e2513509511a81e5919cbd37056b10

PUBLISHED_FROM=8e07541e7a3b951dcfd08381b46f6143773eae45

Frees up a bit of ram on ESP

PUBLISHED_FROM=0ea046cc63704481bca138b3096937669b94733d

Flags should be 0 for all of these, except PUBREL (flags = 2).

PUBLISHED_FROM=46bf63fe12020d4cb493e52ceb3bae0291484b40

Message ID comes after topic, not before.

PUBLISHED_FROM=1ec2a56e290b67061b18c745671dc7f089b9cc0d

Release pbuf sooner: after copying data from, before invoking user code

PUBLISHED_FROM=b877c96ef602bbca26762b18b9dde17eb880d1f9

PUBLISHED_FROM=72d80f8ed2c10866b44d56d8133c76b22bc105b0

PUBLISHED_FROM=34c3e49d523b0f5c7056f91e4b422f21f5694df9

PUBLISHED_FROM=b5b12cdf4273f21dbcdac9bfb6a06063152914c9

PUBLISHED_FROM=0e8de208b553b63c8367f66893389587bd17359f

PUBLISHED_FROM=71b40189bcedbe9338915c1aad939835125dad26

PUBLISHED_FROM=1bdacf793b35ebe70d0a3a9d64260dd2bd135c73

PUBLISHED_FROM=dfbfeaae983daa0412964ac0402759f632bf7aeb

PUBLISHED_FROM=35e8f18aa611b45c271d0178d9197291bfa9726d

PUBLISHED_FROM=f415ddbac47e3069d3ab29467a23f6b8dab0066f

E.g. given the expression `foo/#`:

- `foo/bar` matches
- `foo/` should not match
- `foo` should not match

PUBLISHED_FROM=40f3290cb9a478b22d9f1ab6382884b5de70e266

`mg_mqtt_match_topic_expression()` and friends are public now.

So far, only `#` is supported.

PUBLISHED_FROM=20c031bcf34be84771c4a9c456318634eb9a517c

PUBLISHED_FROM=91016ab1629a65976d2cc2f00aec4e1667cb4a8f

PUBLISHED_FROM=94f830a5fa4b806fb2cf60c93a9e8744022ff8d7

PUBLISHED_FROM=b47a5b6987ee8d9e7c9bae2bd4d2943d2e7f76a9