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authorDinh Danh Le <dinh.danh.le@ericsson.com>2018-08-05 09:54:13 +0100
committerDinh Danh Le <dinh.danh.le@ericsson.com>2018-08-05 09:57:29 +0100
commit669915c559fb9bcd4a8f8d5239f0b9b6ab33436b (patch)
tree0d0dec28fad650390a9dd6fe2df1e8b00e9e3f22 /plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket
parent0f0f41071ae3c6c7896c7770b0139c9c40866330 (diff)
Adding Apex docs for Plugins module
Change-Id: Icf68473b472a5896972de5b07b275682a77a1c9f Signed-off-by: Dinh Danh Le <dinh.danh.le@ericsson.com> Issue-ID: POLICY-867
Diffstat (limited to 'plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket')
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/pom.xml20
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ct-websocket-io.adoc75
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/engine-config-bcp.adoc29
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-foss.adoc27
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-intro.adoc23
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-java.adoc20
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config-bcp.adoc14
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config.adoc14
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/websockets.adoc18
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/css/site.css100
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/images/logos.pngbin0 -> 162383 bytes
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/site.xml32
12 files changed, 372 insertions, 0 deletions
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/pom.xml b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/pom.xml
index f6068aa28..e3816d27f 100644
--- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/pom.xml
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/pom.xml
@@ -33,4 +33,24 @@
<properties>
<apex-plugins-event-carrier-websocket-dir>${project.basedir}/src</apex-plugins-event-carrier-websocket-dir>
</properties>
+
+ <profiles>
+ <profile>
+ <id>apexSite</id>
+ <activation>
+ <property>
+ <name>apexSite</name>
+ </property>
+ </activation>
+ <properties>
+ <adsite-plugins-event-carrier-websocket-dir>${project.basedir}/src</adsite-plugins-event-carrier-websocket-dir>
+ </properties>
+ <distributionManagement>
+ <site>
+ <id>${project.artifactId}-site</id>
+ <url>${apex.adsite.prefix}/modules/plugins/plugins-event/${project.parent.artifactId}/${project.artifactId}/</url>
+ </site>
+ </distributionManagement>
+ </profile>
+ </profiles>
</project> \ No newline at end of file
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ct-websocket-io.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ct-websocket-io.adoc
new file mode 100644
index 000000000..8a19cdd32
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ct-websocket-io.adoc
@@ -0,0 +1,75 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== Websocket (WS) IO
+
+APEX supports the Websockets as input as well as output.
+WS IO is supported by the APEX Websocket plugin.
+This carrier technology does only support uni-directional communication.
+APEX will not send events to a Websocket input and any event sent to a Websocket output will result in an error log.
+
+The input can be configured as client (APEX connects to an existing Websocket server) or server (APEX starts a Websocket server).
+The same applies to the output.
+Input and output can both use a client or a server configuration, or separate configurations (input as client and output as server, input as server and output as client).
+Each configuration should use its own dedicated port to avoid any communication loops.
+The configuration of a Websocket client is the same for input and output.
+The configuration of a Websocket server is the same for input and output.
+
+
+=== Websocket Client
+
+APEX will connect to a given Websocket server.
+As input, it will receive events from the server but not send any events.
+As output, it will send events to the server and any event received from the server will result in an error log.
+
+[source%nowrap,json]
+----
+"carrierTechnologyParameters" : {
+ "carrierTechnology" : "WEBSOCKET", <1>
+ "parameterClassName" :
+ "org.onap.policy.apex.plugins.event.carrier.websocket.WEBSOCKETCarrierTechnologyParameters",
+ "parameters" : {
+ "host" : "localhost", <2>
+ "port" : 42451 <3>
+ }
+}
+----
+
+<1> set Websocket as carrier technology
+<2> the host name on which a Websocket server is running
+<3> the port of that Websocket server
+
+
+
+=== Websocket Server
+
+APEX will start a Websocket server, which will accept any Websocket clients to connect.
+As input, it will receive events from the server but not send any events.
+As output, it will send events to the server and any event received from the server will result in an error log.
+
+[source%nowrap,json]
+----
+"carrierTechnologyParameters" : {
+ "carrierTechnology" : "WEBSOCKET", <1>
+ "parameterClassName" :
+ "org.onap.policy.apex.plugins.event.carrier.websocket.WEBSOCKETCarrierTechnologyParameters",
+ "parameters" : {
+ "wsClient" : false, <2>
+ "port" : 42450 <3>
+ }
+}
+----
+
+<1> set Websocket as carrier technology
+<2> disable client, so that APEX will start a Websocket server
+<3> the port for the Websocket server APEX will start
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/engine-config-bcp.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/engine-config-bcp.adoc
new file mode 100644
index 000000000..227cc45bb
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/engine-config-bcp.adoc
@@ -0,0 +1,29 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== BCP: Websocket Configuration
+
+The probably best is to configure APEX for Websocket servers for input (ingress, consume) and output (egress, produce) interfaces.
+This means that APEX will start Websocket servers on named ports and wait for clients to connect.
+Advantage: once APEX is running all connectivity infrastructure is running as well.
+Consequence: if APEX is not running, everyone else is in the dark, too.
+
+The best protocol to be used is JSON string.
+Each event on any interface is then a string with a JSON encoding.
+JSON string is a little bit slower than byte code, but we doubt that this will be noticeable.
+A further advantage of JSON strings over Websockets with APEX starting the servers: it is very easy to connect web browsers to such a system.
+Simple connect the web browser to the APEX sockets and send/read JSON strings.
+
+Once APEX is started you simply connect Websocket clients to it, and send/receive event.
+When APEX is terminated, the Websocket servers go down, and the clients will be disconnected.
+APEX does not (yet) support auto-client reconnect nor WAMP, so clients might need to be restarted or reconnected manually after an APEX boot.
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-foss.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-foss.adoc
new file mode 100644
index 000000000..43c6f247e
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-foss.adoc
@@ -0,0 +1,27 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== Websocket Example Code for Websocket clients (FOSS)
+
+There are a lot of implementations and examples available on Github for Websocket clients.
+If one is using Java EE 7, then one can also use the native Websocket implementation.
+Good examples for clients using simply Java SE are here:
+
+- link:https://github.com/TooTallNate/Java-WebSocket[Websocket implementation]
+- link:https://github.com/TooTallNate/Java-WebSocket/blob/master/src/main/example/ChatClient.java[Websocket sending client example, using AWT]
+- link:https://github.com/TooTallNate/Java-WebSocket/blob/master/src/main/example/ExampleClient.java[Websocket receiving client example (simple echo client)]
+
+For Java EE, the native Websocket API is explained here:
+
+- link:http://www.oracle.com/technetwork/articles/java/jsr356-1937161.html[Oracle docs]
+- link: http://www.programmingforliving.com/2013/08/jsr-356-java-api-for-websocket-client-api.html[An example]
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-intro.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-intro.adoc
new file mode 100644
index 000000000..cbecbbe7f
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-intro.adoc
@@ -0,0 +1,23 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== Websockets
+
+Websocket is a protocol to run sockets of HTTP.
+Since it in essence a socket, the connection is realized between a server (waiting for connections) and a client (connecting to a server).
+Server/client separation is only important for connection establishment, once connected, everyone can send/receive on the same socket (as any standard socket would allow).
+
+Standard Websocket implementations are simple, no publish/subscribe and no special event handling.
+Most servers simply send all incoming messages to all connections.
+There is a PubSub definition on top of Websocket called link:http://wamp-proto.org/[WAMP].
+APEX does not support WAMP at the moment.
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-java.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-java.adoc
new file mode 100644
index 000000000..e6c2c0163
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site-docs/adoc/fragments/ws-java.adoc
@@ -0,0 +1,20 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== Websocket in Java
+
+In Java, link:http://www.oracle.com/technetwork/articles/java/jsr356-1937161.html[JSR 356] defines the standard Websocket API.
+This JSR is part of Jave EE 7 standard.
+For Java SE, several implementations exist in open source.
+Since Websockets are a stable standard and simple, most implementations are stable and ready to use.
+A lot of products support Websockets, like Spring, JBoss, Netty, … there are also Kafka extensions for Websockets.
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config-bcp.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config-bcp.adoc
new file mode 100644
index 000000000..bfa111b35
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config-bcp.adoc
@@ -0,0 +1,14 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+include::{adsite-plugins-event-carrier-websocket-dir}/site-docs/adoc/fragments/engine-config-bcp.adoc[]
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config.adoc
new file mode 100644
index 000000000..e81596f2c
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/engine-config.adoc
@@ -0,0 +1,14 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+include::{adsite-plugins-event-carrier-websocket-dir}/site-docs/adoc/fragments/ct-websocket-io.adoc[]
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/websockets.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/websockets.adoc
new file mode 100644
index 000000000..823e26a21
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/asciidoc/websockets.adoc
@@ -0,0 +1,18 @@
+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+include::{adsite-plugins-event-carrier-websocket-dir}/site-docs/adoc/fragments/ws-intro.adoc[]
+
+include::{adsite-plugins-event-carrier-websocket-dir}/site-docs/adoc/fragments/ws-java.adoc[]
+
+include::{adsite-plugins-event-carrier-websocket-dir}/site-docs/adoc/fragments/ws-foss.adoc[]
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/css/site.css b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/css/site.css
new file mode 100644
index 000000000..ef8bd4d15
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/css/site.css
@@ -0,0 +1,100 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+@import url(http://cdnjs.cloudflare.com/ajax/libs/font-awesome/3.2.0/css/font-awesome.css);
+
+
+/*************** Table definitions *******************/
+
+tableblock > .title, .tableblock > caption { line-height: 1.4; color: #7a2518; font-weight: 300; margin-top: 0.2em; margin-bottom: 0.5em; }
+
+.tableblock > caption { text-align: left; font-weight: bold; white-space: nowrap; overflow: visible; max-width: 0; }
+
+table.tableblock { background: white; margin-bottom: 1.25em; border: solid 1px #dddddd; }
+table.tableblock thead, table.tableblock tfoot { background: whitesmoke; font-weight: bold; }
+table.tableblock thead tr th, table.tableblock thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: #222222; text-align: left; }
+table.tableblock tr th, table.tableblock tr td { padding: 0.5625em 0.625em; font-size: inherit; color: #222222; }
+table.tableblock tr.even, table.tableblock tr.alt, table.tableblock tr:nth-of-type(even) { background: #f9f9f9; }
+table.tableblock thead tr th, table.tableblock tfoot tr th, table.tableblock tbody tr td, table.tableblock tr td, table.tableblock tfoot tr td { display: table-cell; line-height: 1.6; }
+
+table.tableblock #preamble > .sectionbody > .paragraph:first-of-type p { font-size: inherit; }
+
+table.tableblock.grid-all { border-collapse: separate; border-spacing: 1px; -webkit-border-radius: 4px; border-radius: 4px; border-top: 1px solid #dddddd; border-bottom: 1px solid #dddddd; }
+
+table.tableblock.frame-topbot, table.tableblock.frame-none { border-left: 0; border-right: 0; }
+
+table.tableblock.frame-sides, table.tableblock.frame-none { border-top: 0; border-bottom: 0; }
+
+table.tableblock td .paragraph:last-child p, table.tableblock td > p:last-child { margin-bottom: 0; }
+
+th.tableblock.halign-left, td.tableblock.halign-left { text-align: left; }
+
+th.tableblock.halign-right, td.tableblock.halign-right { text-align: right; }
+
+th.tableblock.halign-center, td.tableblock.halign-center { text-align: center; }
+
+th.tableblock.valign-top, td.tableblock.valign-top { vertical-align: top; }
+
+th.tableblock.valign-bottom, td.tableblock.valign-bottom { vertical-align: bottom; }
+
+th.tableblock.valign-middle, td.tableblock.valign-middle { vertical-align: middle; }
+
+p.tableblock.header { color: #222222; font-weight: bold; }
+
+
+
+/*************** KBD Macro definitions *******************/
+
+kbd.keyseq { color: #555555; }
+
+kbd:not(.keyseq) { display: inline-block; color: #222222; font-size: 0.75em; line-height: 1.4; background-color: #F7F7F7; border: 1px solid #ccc; -webkit-border-radius: 3px; border-radius: 3px; -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 2px white inset; box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 2px white inset; margin: -0.15em 0.15em 0 0.15em; padding: 0.2em 0.6em 0.2em 0.5em; vertical-align: middle; white-space: nowrap; }
+
+kbd kbd:first-child { margin-left: 0; }
+
+kbd kbd:last-child { margin-right: 0; }
+
+
+/*************** Admontion Blocks definitions *******************/
+.admonitionblock td.content > .title, .exampleblock > .title, .imageblock > .title, .videoblock > .title, .listingblock > .title, .literalblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, .sidebarblock > .title, .tableblock > .title, .verseblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { text-align: left; font-weight: bold; }
+
+.admonitionblock > table { border: 0; background: none; width: 100%; margin-top: 1em; margin-bottom: 1em;}
+.admonitionblock > table td.icon { text-align: center; width: 80px; }
+.admonitionblock > table td.icon img { max-width: none; }
+.admonitionblock > table td.icon .title { font-weight: bold; text-transform: uppercase; }
+.admonitionblock > table td.content { padding-left: 1.125em; padding-right: 1.25em; border-left: 1px solid #dddddd; color: #6f6f6f; }
+.admonitionblock > table td.content > :last-child > :last-child { margin-bottom: 0; }
+
+.admonitionblock td.icon [class^="fa icon-"]:before {font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default}
+.admonitionblock td.icon .icon-note:before { content: "\f05a"; color: #005498; color: #003f72; }
+.admonitionblock td.icon .icon-tip:before { content: "\f0eb"; text-shadow: 1px 1px 2px rgba(155, 155, 0, 0.8); color: #111; }
+.admonitionblock td.icon .icon-warning:before { content: "\f071"; color: #bf6900; }
+.admonitionblock td.icon .icon-caution:before { content: "\f06d"; color: #bf3400; }
+.admonitionblock td.icon .icon-important:before { content: "\f06a"; color: #bf0000; }
+
+
+
+/*************** Misc definitions *******************/
+
+*:not(pre) > code { font-size: 0.9375em; padding: 1px 3px 0; white-space: nowrap; background-color: #f2f2f2; border: 1px solid #cccccc; -webkit-border-radius: 4px; border-radius: 4px; text-shadow: none; }
+
+pre, pre > code { line-height: 1.4; color: inherit; font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; }
+
+code { font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; color: #6d180b; }
+
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/images/logos.png b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/images/logos.png
new file mode 100644
index 000000000..915d6e59d
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/images/logos.png
Binary files differ
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/site.xml b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/site.xml
new file mode 100644
index 000000000..f9410f5ef
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-websocket/src/site/site.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ ================================================================================
+ This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+ Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+
+ SPDX-License-Identifier: CC-BY-4.0
+ ============LICENSE_END=========================================================
+
+ @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+
+ =========LICENSE_END=========================================================
+-->
+
+<project name="APEX Plugins Event Carrier Websocket">
+ <body>
+ <menu name="APEX Plugins Event Carrier Websocket">
+ <item href="websockets.html" name="Introduction to Websockets" />
+ <item href="engine-config.html" name="Engine Configuration" />
+ <item href="engine-config-bcp.html" name="BCP Configuration" />
+ <item href="javadocs/index.html" name="API Doc" />
+ </menu>
+ <menu ref="reports" inherit="top" />
+ <menu ref="modules" />
+
+ <breadcrumbs>
+ <item name="Websocket" href="index.html" />
+ </breadcrumbs>
+ </body>
+</project> \ No newline at end of file