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12 commits

Author SHA1 Message Date
payne.ye
ec76f8178d smp: extend client to work with tsi
and take care of zombie sul previously left on connect failure path
2024-04-12 06:15:12 +01:00
Andy Green
5432e8ae7b sspc: add concurrency stress
Add a way to perform sspc tests with increased concurrency and sequential
tests
2021-07-04 10:29:52 +01:00
Andy Green
a7edd16399 logs: more internal conversion to log_cx 2021-07-01 05:20:53 +01:00
Andy Green
5d8cf03221 logs: log contexts 2021-07-01 05:20:53 +01:00
Andy Green
272dba8307 http: redo redirects to follow close flow
Until now although we can follow redirects, and they can promote the
protocol from h1->h2, we couldn't handle h2 wsi reuse since there are many
states in the wsi affected by being h2.

This wipes the related states in lws_wsi_reset() and follows the generic
wsi close flow before deviating into the redirect really close to the end,
ensuring we cleaned out evidence of our previous life properly.

h2->h2 redirects work properly after this.

The max number of redirects is increased from 3 -> 4 since this was seen in
the wild with www and then geographic-based redirects.
2021-06-22 15:55:29 +01:00
Andy Green
3f4623bb36 lws_metrics
There are a few build options that are trying to keep and report
various statistics

 - DETAILED_LATENCY
 - SERVER_STATUS
 - WITH_STATS

remove all those and establish a generic rplacement, lws_metrics.

lws_metrics makes its stats available via an lws_system ops function
pointer that the user code can set.

Openmetrics export is supported, for, eg, prometheus scraping.
2021-03-08 21:47:28 +00:00
Andy Green
f9c3d432a8 netlink: migrate to context
For SMP case, it was desirable to have a netlink listener per pt so they
could deal with pt-level changes in the pt's local service thread.  But
Linux restricts the process to just one netlink listener.

We worked around it by only listening on pt[0], this aligns us a bit more
with the reality and moves to a single routing table in the context.
There's still more to do for SMP case locking.
2021-03-08 20:43:19 +00:00
Andy Green
c9731c5f17 type comparisons: fixes
This is a huge patch that should be a global NOP.

For unix type platforms it enables -Wconversion to issue warnings (-> error)
for all automatic casts that seem less than ideal but are normally concealed
by the toolchain.

This is things like passing an int to a size_t argument.  Once enabled, I
went through all args on my default build (which build most things) and
tried to make the removed default cast explicit.

With that approach it neither change nor bloat the code, since it compiles
to whatever it was doing before, just with the casts made explicit... in a
few cases I changed some length args from int to size_t but largely left
the causes alone.

From now on, new code that is relying on less than ideal casting
will complain and nudge me to improve it by warnings.
2021-01-05 10:56:38 +00:00
Andy Green
0ceba15d9c lws_lifecycle
This adds some new objects and helpers for keeping and logging
info on grouped allocations, a group is, eg, SS handles or client
wsis.

Allocated objects get a context-unique "tag" string intended to replace
%p / wsi pointers etc.  Pointers quickly become confusing when
allocations are freed and reused, the tag string won't repeat
until you produce 2^64 objects in a context.

In addition the tag string documents the object group, with prefixes
like "wsi-" or "vh-" and contain object-specific additional
information like the vhost name, address / port  or the role of the wsi.
At creation time the lws code can use a format string and args
to add whatever group-specific info makes sense, eg, a wsi bound
to a secure stream can also append the guid of the secure stream,
it's copied into the new object tag and so is still available
cleanly after the stream is destroyed if the wsi outlives it.
2021-01-04 05:26:50 +00:00
Andy Green
54e909a126 mbedtls: tls flow for mqtt 2020-12-27 08:42:02 +00:00
Andy Green
44e860642b docs: switch to use main 2020-10-19 16:35:03 +01:00
Andy Green
62e566b9de client: move staged connect pieces into core-net
They have been in lib/roles/http for historical reasons, and all
ended up in client-handshake.c that doesn't describe what they
actually do any more.  Separate out the staged client connect
related stage functions into

  lib/core-net/client/client2.c: lws_client_connect_2_dnsreq()
  lib/core-net/client/client3.c: lws_client_connect_3_connect()
  lib/core-net/client/client4.c: lws_client_connect_4_established()

Move a couple of other functions from there that don't belong out to
tls-client.c and client-http.c, which is related to http and remains
in the http role dir.
2020-09-21 12:47:11 +01:00