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239 commits

Author SHA1 Message Date
Andy Green
de064fd65a refactor: core code in lib/core and private-libwebsockets.h to core/private.h
This commit is coverity-clean as tested

cmake .. -DLWS_WITH_MINIMAL_EXAMPLES=1 -DLWS_WITHOUT_EXTENSIONS=1 -DLWS_WITH_ACME=1 -DLWS_WITH_LWSWS=1 -DLWS_WITH_LIBUV=1 -DLWS_WITH_HTTP2=1 -DLWS_WITHOUT_CLIENT=0 -DLWS_WITHOUT_SERVER=0 -DLWS_UNIX_SOCK=1 -DLWS_WITH_TLS=0 -DLWS_WITH_MBEDTLS=0 -DLWS_WITH_CGI=1 -DCMAKE_BUILD_TYPE=DEBUG -DLWS_WITH_GENERIC_SESSIONS=1 -DLWS_WITH_RANGES=1 -DLWS_ROLE_WS=1 -DLWS_MAX_SMP=16 -DLWS_ROLE_H1=1 -DLWS_WITH_WOLFSSL=0 -DLWS_WITH_LIBEV=0 -DLWS_WITH_LIBEVENT=1
2018-05-03 10:49:36 +08:00
Andy Green
bce8cca042 refactor: also migrate tls to the ops struct and private.h pattern
Several new ops are planned for tls... so better to bite the bullet and
clean it out to the same level as roles + event-libs first.

Also adds a new travis target "mbedtls" and all the tests except
autobahn against mbedtls build.
2018-05-02 12:10:36 +08:00
Andy Green
f497562a62 refactor: change event lib minimal examples to serve as the test apps 2018-04-30 19:17:32 +08:00
Andy Green
d37b383edc refactor: apply ops structs to event loop handlers 2018-04-29 10:44:36 +08:00
Andy Green
91a47f4fab refactor: also constify CAPS usage of context info 2018-04-28 08:01:01 +08:00
Andy Green
7ff8f023d1 context info struct: make lws usage all const 2018-04-27 08:37:20 +08:00
Andy Green
27e86e2641 cmake: allow setting LWS_ROLE_WS
You can build lws without support for ws, with -DLWS_ROLE_WS=0.

This is thanks to the role ops isolating all the ws-specific business
in the ws role.

Also retire more test apps replaced by minmal-examples.
2018-04-25 08:42:18 +08:00
Andy Green
a9390874c7 tcp keepalive: user TCP_USER_TIMEOUT on linux if extant
https://github.com/warmcat/libwebsockets/issues/1223
2018-04-19 16:16:48 +08:00
Andy Green
62af7934c8 rxflow buflist: handle forced service 2018-04-19 16:15:10 +08:00
Andy Green
65f87efca9 pipe2 where possible 2018-04-19 16:15:10 +08:00
Andy Green
126be3ccf3 refactor role ops
This only refactors internal architecture and representations, the user
api is unaffected.
2018-04-11 13:39:42 +08:00
Andy Green
de4c1303f5 Coverity 189186: hrtimer calculation overflow 2018-04-06 10:38:04 +08:00
Andy Green
8f19a3fa9a network interface: defer bindings to absent network interfaces
Previously down network interfaces without an IPv4 address are
removed from the posix api that lists network interfaces.

That means if you bound a vhost listen socket to a particular
interface, it will fail at startup time.

This patch adds these vhosts to a list, starts the vhost without
a listen socket, and checks to see if the vhost's network interface
has appeared while the rest of lws is running.

If it appears, the listen socket is opened on the network interface
and the vhost becomes reachable.
2018-04-06 10:38:03 +08:00
Andy Green
1820212724 lws_set_timer_usecs: change to usec resolution
This replaces the existing, unreleased lws_set_timer(wsi, secs) with
lws_set_timer_usecs(wsi, usecs).

wsi with a timer waiting are added to a linked-list sorted by the
timer trigger time.

1) poll() timeout (ie, poll wait) is trimmed to the nearest ms of the
first waiting timer if the default poll wait is longer than the
interval until the first waiting timer.

The linked-list of waiting timers is checked every entry and exit
from poll()... if no timers waiting or none reached their time
this costs almost nothing.

2) libuv: the earliest hrtimer is checked after every IO, again this
is costing nothing if the list head is NULL.  If the case there
are hrtimers on the list, it costs a getimeofday (a VDSO in linux)
and more only if any of the timers have fired.

In addition on entry to libuv idle, if there are any waiting hrtimers
on the list, a libuv timer is used to force a wake in case we stay
idle (the libuv timer has ms resolution).

3) libev: not implemented

4) libevent: not implemented

Warnings are logged in the api is used on an event backend without
support.  Patches welcome to add support similarly to libuv.
2018-04-06 10:38:03 +08:00
Andy Green
aae2c24678 lws_snprintf 2018-03-12 09:28:42 +08:00
Andy Green
0d5ca2d87b pthreads: more locking 2018-03-05 16:49:28 +08:00
Andy Green
658b86ed9f esp32: fix basic auth 2018-03-01 10:27:12 +08:00
Andy Green
a0581a926b esp32: map basic auth to nvs 2018-02-24 08:14:17 +08:00
Andy Green
9556ad77fb esp32: bump ssid and pw fields to 64 2018-02-02 08:09:08 +08:00
Andy Green
65a67d72f1 esp32: adapt to esp-idf mdns changes 2018-01-29 15:17:33 +08:00
Anzey
08d36dbe43 qnx: add support
https://libwebsockets.org/pipermail/libwebsockets/2018-January/003600.html
2018-01-04 10:43:20 +08:00
Andy Green
e8e448df3e plat optee: updates 2017-12-20 10:44:21 +08:00
Andy Green
d58d749b30 acme: adaptations through plat for esp32 2017-12-11 13:30:12 +08:00
Andy Green
1da0197798 truncated: detect and flag any write on a wsi that could have pending truncated 2017-12-07 10:19:48 +08:00
Andy Green
8487279e64 plat: remove esp8266
ESP32 module price is now within range of 8266 price.

ESP32 capability and OS support is hugely better than 8266,
we can support mbedtls tls, http/2 etc with ESP32.

I'm no longer testing on ESP8266... there's no more
user traffic... it's time to go.
2017-12-01 11:37:36 +08:00
Andy Green
e83860d1bc plat: add extra helpers hiding ESP32 quirks 2017-12-01 11:37:36 +08:00
Andy Green
91a821c793 esp32: align with esp-idf changes
LWIP_SOCKET_OFFSET is now nonzero, which I handled a while back.

But the C api support for it is broken in esp-idf.

select() takes unmodified fds, but FD_SET / FD_ISSET etc must have the
offset subtracted on their args.

With this we are working on current HEAD esp-idf.
2017-12-01 11:37:36 +08:00
Andy Green
2a30cd8ba7 h2-ws-draft-02
This implements:

https://www.ietf.org/id/draft-mcmanus-httpbis-h2-websockets-02.txt

it's untested since no compatible clients/browsers available yet.
2017-12-01 11:37:35 +08:00
Andy Green
df46d8827c refactor-struct-lws-hdr
Migrate what used to be in lws_hdr_related into either the ah
or the wsi, and eliminate it along with the three different ways
used to access things inside it.

Eg wsi->u.hdr.ah and wsi->u.http.ah become wsi->ah

These changes are internal-only, in private-libwebsockets.h and lib.
2017-12-01 11:37:35 +08:00
Andy Green
516001db8a esp32-selfsigned 2017-12-01 11:37:35 +08:00
Andy Green
79d2038fdf esp32 fixes
This add support for a platform socketfd offset.
2017-12-01 11:37:35 +08:00
Andy Green
3ec7c1ab21 ACME client plugin
This adds support for a plugin that can be attached to a vhost
to acquire and maintain its TLS cert automatically.

It works the same with both OpenSSL and mbedTLS backends, but
they can't share auth keys, delete the 'auth.jwk' file as it is
in the example JSON when switching between libs
2017-12-01 11:37:35 +08:00
Andy Green
be525cb624 appveyor: Enable 64-bit build with OpenSSL and HTTP2
Fix warnings found from that

Introduce lws_ptr_diff(head, tail) helper to normalize
pointers to char *, do the subtraction and cast the
result to int.
2017-11-26 19:16:17 +08:00
Andy Green
1d5bd23268 bsd: support foreign thread event changes while in poll wait
https://github.com/warmcat/libwebsockets/issues/314
2017-11-26 19:16:17 +08:00
Andy Green
74fddbc09e cancel_service: change to event-loop agnostic implementation
- Add platform helpers for pipe creation.

 - Change the direct-to-fds implementation to create a wsi for each
   pt and use the normal apis to bind it to the event loop.

 - Modifiy context creation and destroy to create and remove the
   event pipe wsis.

 - Create the event pipe wsis during context create if using the
   default poll() event loop, or when the other event loops start
   otherwise.

 - Add handler that calls back user code with
   LWS_CALLBACK_EVENT_WAIT_CANCELLED

This patch allows you to call `lws_cancel_service(struct lws_context *context)`
from another thread.

It's very cheap for the other thread to call and is safe without
locking.

Every use protocol receives a LWS_CALLBACK_EVENT_WAIT_CANCELLED from
the main thread serialized normally in the event loop.
2017-11-26 19:16:17 +08:00
Andy Green
7e1c8876e6 service: stop trying to find service TID after first time 2017-11-05 07:08:29 +08:00
Andy Green
1c70181ca2 build: enable signed vs unsigned warnings on gcc
This enables selected things from -Wextra, can't use -Wextra because it is
fussy enough to complain about unused params on functions... they are
there for a reason.

-Wsign-compare
-Wignored-qualifiers
not -Wimplicit-fallthrough=3 ... only on gcc 7
-Wtype-limits
-Wuninitialized
not -Wclobbered ... only on gcc 7ish

fix the warnings everywhere they were found.
2017-10-25 07:17:29 +08:00
Andy Green
1799b02a43 windows: POLLHUP is or-ed on other events
https://github.com/warmcat/libwebsockets/issues/1054
2017-10-16 17:28:37 +08:00
Andy Green
c83afc66e6 refactor: subdirs for source in lib
Split out some optional code into own sources to
shrink down libwebsockets.c and server.c a bit
2017-10-16 17:28:37 +08:00