Update API section with WTP definition

Change-Id: I611602ad52df6b954fda2b3217534472c2270cb2
Issue-ID: DCAEGEN2-858
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>

3 files changed, 35 insertions, 12 deletions

diff --git a/docs/sections/apis/VesEvent.proto b/docs/sections/apis/ves-hv/VesEvent.proto
index 0f9e5e1f..dbe0aa3f 100644
--- a/docs/sections/apis/VesEvent.proto
+++ b/docs/sections/apis/ves-hv/VesEvent.proto
@@ -20,25 +20,26 @@
 syntax = "proto3";
 package org.onap.ves;
 
-message VesEvent {
+message VesEvent                            // top-level message, currently the maximum event size supported by the HV-VES Collector is 1 MiB
+{
     CommonEventHeader commonEventHeader=1;  // required
 
     bytes eventFields=2;                    // required, payload
-    // this field contains a domain-specific GPB message
-    // the field being opaque (bytes), the decoding of the payload occurs in a separate step
-    // the name of the GPB message for domain XYZ is XYZFields
-    // e.g. for domain==HVMEAS, the GPB message is HVMEASFields
+        // this field contains a domain-specific GPB message
+        // the field being opaque (bytes), the decoding of the payload occurs in a separate step
+        // the name of the GPB message for domain XYZ is XyzFields
+        // e.g. for domain==perf3gpp, the GPB message is Perf3gppFields
 }
 
 // VES CommonEventHeader adapted to GPB (Google Protocol Buffers)
-// Aligned with VES 7.0.1 schema, and extending to hvMeas Domain.
+// Aligned with VES 7.0.1 schema, and extending to Performance Domain.
 
 message CommonEventHeader
 {
-    string version = 1;                     // required, "version of the gpb common event header"
+    string version = 1;                     // required, "version of the gpb common event header", current value "1.0"
     string domain = 2;                      // required, "the eventing domain associated with the event", allowed values:
-    // FAULT, HEARTBEAT, MEASUREMENT, MOBILE_FLOW, OTHER, PNFREGISTRATION, SIP_SIGNALING,
-    // STATE_CHANGE, SYSLOG, THRESHOLD_CROSSING_ALERT, VOICE_QUALITY, HVMEAS
+                                            // fault, heartbeat, measurement, mobileFlow, other, pnfRegistration, sipSignaling,
+                                            // stateChange, syslog, thresholdCrossingAlert, voiceQuality, perf3gpp
 
     uint32 sequence = 3;                    // required, "ordering of events communicated by an event source instance or 0 if not needed"
 
@@ -68,7 +69,7 @@ message CommonEventHeader
     bytes sourceId = 15;                    // "UUID identifying the entity experiencing the event issue; must be populated by the ATT enrichment process"
     string sourceName = 16;                 // required, "name of the entity experiencing the event issued use A&AI entry"
     string timeZoneOffset = 17;             // "Offset to GMT to indicate local time zone for the device"
-    string vesEventListenerVersion = 18;    // required, "Version of the VesEvent Listener"
+    string vesEventListenerVersion = 18;    // required, "Version of the VesEvent Listener", current value "7.0.2"
 
     reserved "InternalHeaderFields";        // "enrichment fields for internal VES Event Listener service use only, not supplied by event sources"
     reserved 100;
diff --git a/docs/sections/apis/ves-hv/WTP.asn b/docs/sections/apis/ves-hv/WTP.asn
new file mode 100644
index 00000000..3c0178d4
--- /dev/null
+++ b/docs/sections/apis/ves-hv/WTP.asn
@@ -0,0 +1,17 @@
+-- Wire Transfer Protocol (binary, defined using ASN.1 notation)
+-- Encoding: use "direct encoding" to the number of octets indicated in the comment [n], using network byte order.
+
+WTP DEFINITIONS ::= BEGIN
+
+-- Used to sent data from the data provider
+WtpData ::= SEQUENCE {
+    magic           INTEGER (0..255),           -- [1] always 0xAA
+    versionMajor    INTEGER (0..255),           -- [1] major interface version, forward incompatible with previous major version, current value: 1
+    versionMinor    INTEGER (0..255),           -- [1] minor interface version, forward compatible with previous minor version, current value: 0
+    reserved        OCTET STRING (SIZE (3)),    -- [3] reserved for future use (ignored, but use 0)
+    payloadId       INTEGER (0..65535),         -- [2] payload type: 0x0000=undefined, 0x0001=ONAP VesEvent (protobuf)
+    payloadLength   INTEGER (0..4294967295).    -- [4] payload length in octets
+    payload         OCTET STRING                -- [length as per payloadLength]
+}
+
+END
diff --git a/docs/sections/apis/ves-hv.rst b/docs/sections/apis/ves-hv/index.rst
index 2045b6ba..799f92d4 100644
--- a/docs/sections/apis/ves-hv.rst
+++ b/docs/sections/apis/ves-hv/index.rst
@@ -5,7 +5,7 @@
 HV-VES (High Volume VES)
 ========================
 
-:Date: 2018-09-24
+:Date: 2018-10-05
 
 .. contents::
     :depth: 3
@@ -16,7 +16,7 @@ Overview
 
 Component description can be found under `HV-VES Collector`_.
 
-.. _HV-VES Collector: ../services/ves-hv/index.html
+.. _HV-VES Collector: ../../services/ves-hv/index.html
 
 
 TCP Endpoint
@@ -27,6 +27,11 @@ It uses plain TCP connections tunneled in SSL/TLS or can be run in insecure mann
 Without TLS client authentication/authorization is not possible.
 Connections are stream-based (as opposed to request-based) and long running.
 
+Communication is wrapped with thin Wire Transfer Protocol, which mainly provides delimitation.
+
+.. literalinclude:: WTP.asn
+    :language: asn
+
 Payload is binary-encoded, currently using Google Protocol Buffers representation of the VES Common Header.
 
 .. literalinclude:: VesEvent.proto