From c3d70ffcb43b62c95d71334ed49ad345ddf4360d Mon Sep 17 00:00:00 2001
From: Costa Tsaousis <costa@netdata.cloud>
Date: Thu, 20 Apr 2023 20:49:06 +0300
Subject: WEBRTC for communication between agents and browsers (#14874)

* initial webrtc setup

* missing files

* rewrite of webrtc integration

* initialization and cleanup of webrtc connections

* make it compile without libdatachannel

* add missing webrtc_initialize() function when webrtc is not enabled

* make c++17 optional

* add build/m4/ax_compiler_vendor.m4

* add ax_cxx_compile_stdcxx.m4

* added new m4 files to makefile.am

* id all webrtc connections

* show warning when webrtc is disabled

* fixed message

* moved all webrtc error checking inside webrtc.cpp

* working webrtc connection establishment and cleanup

* remove obsolete code

* rewrote webrtc code in C to remove dependency for c++17

* fixed left-over reference

* detect binary and text messages

* minor fix

* naming of webrtc threads

* added webrtc configuration

* fix for thread_get_name_np()

* smaller web_client memory footprint

* universal web clients cache

* free web clients every 100 uses

* webrtc is now enabled by default only when compiled with internal checks

* webrtc responses to /api/ requests, including LZ4 compression

* fix for binary and text messages

* web_client_cache is now global

* unification of the internal web server API, for web requests, aclk request, webrtc requests

* more cleanup and unification of web client timings

* fixed compiler warnings

* update sent and received bytes

* eliminated of almost all big buffers in web client

* registry now uses the new json generation

* cookies are now an array; fixed redirects

* fix redirects, again

* write cookies directly to the header buffer, eliminating the need for cookie structures in web client

* reset the has_cookies flag

* gathered all web client cleanup to one function

* fixes redirects

* added summary.globals in /api/v2/data response

* ars to arc in /api/v2/data

* properly handle host impersonation

* set the context of mem.numa_nodes
---
 Makefile.am | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Makefile.am')

diff --git a/Makefile.am b/Makefile.am
index 9b38168871..fe979cc8d4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,6 +37,8 @@ EXTRA_DIST = \
     build/m4/ax_c_mallopt.m4 \
     build/m4/tcmalloc.m4 \
     build/m4/ax_c__generic.m4 \
+    build/m4/ax_compiler_vendor.m4 \
+    build/m4/ax_cxx_compile_stdcxx.m4 \
     ml/dlib \
     README.md \
     LICENSE \
@@ -119,6 +121,7 @@ AM_CFLAGS = \
     $(OPTIONAL_UUID_CFLAGS) \
     $(OPTIONAL_MQTT_CFLAGS) \
     $(OPTIONAL_LIBCAP_LIBS) \
+    $(OPTIONAL_DATACHANNEL_CFLAGS) \
     $(OPTIONAL_IPMIMONITORING_CFLAGS) \
     $(OPTIONAL_CUPS_CFLAGS) \
     $(OPTIONAL_XENSTAT_CFLAGS) \
@@ -659,6 +662,8 @@ STATSD_PLUGIN_FILES = \
     $(NULL)
 
 WEB_PLUGIN_FILES = \
+    web/rtc/webrtc.c \
+    web/rtc/webrtc.h \
     web/server/web_client.c \
     web/server/web_client.h \
     web/server/web_server.c \
@@ -980,6 +985,7 @@ NETDATA_COMMON_LIBS = \
     $(OPTIONAL_MQTT_LIBS) \
     $(OPTIONAL_UV_LIBS) \
     $(OPTIONAL_LZ4_LIBS) \
+    $(OPTIONAL_DATACHANNEL_LIBS) \
     libjudy.a \
     $(OPTIONAL_SSL_LIBS) \
     $(OPTIONAL_JSONC_LIBS) \
-- 
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